diff options
Diffstat (limited to 'widgets/table/a11y')
32 files changed, 6154 insertions, 0 deletions
diff --git a/widgets/table/a11y/gal-a11y-e-cell-popup.c b/widgets/table/a11y/gal-a11y-e-cell-popup.c new file mode 100644 index 0000000000..5ae3cef686 --- /dev/null +++ b/widgets/table/a11y/gal-a11y-e-cell-popup.c @@ -0,0 +1,144 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + * + * Authors: + * Yang Wu <yang.wu@sun.com> + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + +#include <config.h> + +#include <gdk/gdkkeysyms.h> +#include <gtk/gtk.h> + +#include "a11y/gal-a11y-util.h" +#include "table/e-cell-popup.h" +#include <glib/gi18n.h> + +#include "gal-a11y-e-cell-popup.h" +#include "gal-a11y-e-cell-registry.h" + +static AtkObjectClass *parent_class = NULL; +#define PARENT_TYPE (gal_a11y_e_cell_get_type ()) + +static void gal_a11y_e_cell_popup_class_init (GalA11yECellPopupClass *klass); +static void popup_cell_action (GalA11yECell *cell); + +/** + * gal_a11y_e_cell_popup_get_type: + * @void: + * + * Registers the &GalA11yECellPopup class if necessary, and returns the type ID + * associated to it. + * + * Return value: The type ID of the &GalA11yECellPopup class. + **/ +GType +gal_a11y_e_cell_popup_get_type (void) +{ + static GType type = 0; + + if (!type) { + GTypeInfo info = { + sizeof (GalA11yECellPopupClass), + (GBaseInitFunc) NULL, + (GBaseFinalizeFunc) NULL, + (GClassInitFunc) gal_a11y_e_cell_popup_class_init, + (GClassFinalizeFunc) NULL, + NULL, /* class_data */ + sizeof (GalA11yECellPopup), + 0, + (GInstanceInitFunc) NULL, + NULL /* value_cell_popup */ + }; + + type = g_type_register_static (PARENT_TYPE, "GalA11yECellPopup", &info, 0); + gal_a11y_e_cell_type_add_action_interface (type); + } + + return type; +} + +static void +gal_a11y_e_cell_popup_class_init (GalA11yECellPopupClass *klass) +{ + parent_class = g_type_class_ref (PARENT_TYPE); +} + +AtkObject * +gal_a11y_e_cell_popup_new (ETableItem *item, + ECellView *cell_view, + AtkObject *parent, + int model_col, + int view_col, + int row) +{ + AtkObject *a11y; + GalA11yECell *cell; + ECellPopup *popupcell; + ECellView* child_view = NULL; + + popupcell= E_CELL_POPUP(cell_view->ecell); + + if (popupcell && popupcell->popup_cell_view) + child_view = popupcell->popup_cell_view->child_view; + + if (child_view && child_view->ecell) { + a11y = gal_a11y_e_cell_registry_get_object (NULL, + item, + child_view, + parent, + model_col, + view_col, + row); + } else { + a11y = g_object_new (GAL_A11Y_TYPE_E_CELL_POPUP, NULL); + gal_a11y_e_cell_construct (a11y, + item, + cell_view, + parent, + model_col, + view_col, + row); + } + g_return_val_if_fail (a11y != NULL, NULL); + cell = GAL_A11Y_E_CELL(a11y); + gal_a11y_e_cell_add_action (cell, + _("popup"), /* action name*/ + _("popup a child"), /* action description */ + "<Alt>Down", /* action keybinding */ + popup_cell_action); + + a11y->role = ATK_ROLE_TABLE_CELL; + return a11y; +} + +static void +popup_cell_action (GalA11yECell *cell) +{ + gint finished; + GdkEvent event; + + event.key.type = GDK_KEY_PRESS; + event.key.window = GTK_LAYOUT(GNOME_CANVAS_ITEM(cell->item)->canvas)->bin_window;; + event.key.send_event = TRUE; + event.key.time = GDK_CURRENT_TIME; + event.key.state = GDK_MOD1_MASK; + event.key.keyval = GDK_Down; + + g_signal_emit_by_name (cell->item, "event", &event, &finished); +} diff --git a/widgets/table/a11y/gal-a11y-e-cell-popup.h b/widgets/table/a11y/gal-a11y-e-cell-popup.h new file mode 100644 index 0000000000..52e0066d19 --- /dev/null +++ b/widgets/table/a11y/gal-a11y-e-cell-popup.h @@ -0,0 +1,62 @@ +/* + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + * + * Authors: + * Yang Wu <yang.wu@sun.com> + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + +#ifndef __GAL_A11Y_E_CELL_POPUP_H__ +#define __GAL_A11Y_E_CELL_POPUP_H__ + +#include <glib-object.h> +#include <table/e-table-item.h> +#include <table/a11y/gal-a11y-e-cell.h> +#include <atk/atkgobjectaccessible.h> + +#define GAL_A11Y_TYPE_E_CELL_POPUP (gal_a11y_e_cell_popup_get_type ()) +#define GAL_A11Y_E_CELL_POPUP(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GAL_A11Y_TYPE_E_CELL_POPUP, GalA11yECellPopup)) +#define GAL_A11Y_E_CELL_POPUP_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GAL_A11Y_TYPE_E_CELL_POPUP, GalA11yECellPopupClass)) +#define GAL_A11Y_IS_E_CELL_POPUP(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GAL_A11Y_TYPE_E_CELL_POPUP)) +#define GAL_A11Y_IS_E_CELL_POPUP_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GAL_A11Y_TYPE_E_CELL_POPUP)) + +typedef struct _GalA11yECellPopup GalA11yECellPopup; +typedef struct _GalA11yECellPopupClass GalA11yECellPopupClass; + +/* This struct should actually be larger as this isn't what we derive from. + * The GalA11yECellPopupPrivate comes right after the parent class structure. + **/ +struct _GalA11yECellPopup { + GalA11yECell object; +}; + +struct _GalA11yECellPopupClass { + GalA11yECellClass parent_class; +}; + + +/* Standard Glib function */ +GType gal_a11y_e_cell_popup_get_type (void); +AtkObject *gal_a11y_e_cell_popup_new (ETableItem *item, + ECellView *cell_view, + AtkObject *parent, + int model_col, + int view_col, + int row); + +#endif /* ! __GAL_A11Y_E_CELL_POPUP_H__ */ diff --git a/widgets/table/a11y/gal-a11y-e-cell-registry.c b/widgets/table/a11y/gal-a11y-e-cell-registry.c new file mode 100644 index 0000000000..1da241fea9 --- /dev/null +++ b/widgets/table/a11y/gal-a11y-e-cell-registry.c @@ -0,0 +1,149 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + * + * Authors: + * Christopher James Lahey <clahey@ximian.com> + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + +#include <config.h> + +#include "gal-a11y-e-cell.h" +#include "gal-a11y-e-cell-registry.h" + +static GObjectClass *parent_class; +static GalA11yECellRegistry *default_registry; +#define PARENT_TYPE (G_TYPE_OBJECT) + +struct _GalA11yECellRegistryPrivate { + GHashTable *table; +}; + +/* Static functions */ + +static void +gal_a11y_e_cell_registry_finalize (GObject *obj) +{ + GalA11yECellRegistry *registry = GAL_A11Y_E_CELL_REGISTRY (obj); + + g_hash_table_destroy (registry->priv->table); + g_free (registry->priv); + + G_OBJECT_CLASS (parent_class)->finalize (obj); +} + +static void +gal_a11y_e_cell_registry_class_init (GalA11yECellRegistryClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + parent_class = g_type_class_ref (PARENT_TYPE); + + object_class->finalize = gal_a11y_e_cell_registry_finalize; +} + +static void +gal_a11y_e_cell_registry_init (GalA11yECellRegistry *registry) +{ + registry->priv = g_new (GalA11yECellRegistryPrivate, 1); + registry->priv->table = g_hash_table_new (NULL, NULL); +} + +/** + * gal_a11y_e_cell_registry_get_type: + * @void: + * + * Registers the &GalA11yECellRegistry class if necessary, and returns the type ID + * associated to it. + * + * Return value: The type ID of the &GalA11yECellRegistry class. + **/ +GType +gal_a11y_e_cell_registry_get_type (void) +{ + static GType type = 0; + + if (!type) { + GTypeInfo info = { + sizeof (GalA11yECellRegistryClass), + (GBaseInitFunc) NULL, + (GBaseFinalizeFunc) NULL, + (GClassInitFunc) gal_a11y_e_cell_registry_class_init, + (GClassFinalizeFunc) NULL, + NULL, /* class_data */ + sizeof (GalA11yECellRegistry), + 0, + (GInstanceInitFunc) gal_a11y_e_cell_registry_init, + NULL /* value_cell */ + }; + + type = g_type_register_static (PARENT_TYPE, "GalA11yECellRegistry", &info, 0); + } + + return type; +} + +static void +init_default_registry (void) +{ + if (default_registry == NULL) { + default_registry = g_object_new (gal_a11y_e_cell_registry_get_type(), NULL); + } +} + + +AtkObject * +gal_a11y_e_cell_registry_get_object (GalA11yECellRegistry *registry, + ETableItem *item, + ECellView *cell_view, + AtkObject *parent, + int model_col, + int view_col, + int row) +{ + GalA11yECellRegistryFunc func = NULL; + GType type; + + if (registry == NULL) { + init_default_registry (); + registry = default_registry; + } + + type = GTK_OBJECT_TYPE (cell_view->ecell); + while (func == NULL && type != 0) { + func = g_hash_table_lookup (registry->priv->table, GINT_TO_POINTER (type)); + type = g_type_parent (type); + } + + if (func) + return func (item, cell_view, parent, model_col, view_col, row); + else + return gal_a11y_e_cell_new (item, cell_view, parent, model_col, view_col, row); +} + +void +gal_a11y_e_cell_registry_add_cell_type (GalA11yECellRegistry *registry, + GType type, + GalA11yECellRegistryFunc func) +{ + if (registry == NULL) { + init_default_registry (); + registry = default_registry; + } + + g_hash_table_insert (registry->priv->table, GINT_TO_POINTER (type), func); +} diff --git a/widgets/table/a11y/gal-a11y-e-cell-registry.h b/widgets/table/a11y/gal-a11y-e-cell-registry.h new file mode 100644 index 0000000000..bc43a662cc --- /dev/null +++ b/widgets/table/a11y/gal-a11y-e-cell-registry.h @@ -0,0 +1,72 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + * + * Authors: + * Christopher James Lahey <clahey@ximian.com> + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + +#ifndef __GAL_A11Y_E_CELL_REGISTRY_H__ +#define __GAL_A11Y_E_CELL_REGISTRY_H__ + +#include <glib-object.h> +#include <atk/atkobject.h> +#include <table/e-table-item.h> +#include <table/e-cell.h> + +#define GAL_A11Y_TYPE_E_CELL_REGISTRY (gal_a11y_e_cell_registry_get_type ()) +#define GAL_A11Y_E_CELL_REGISTRY(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GAL_A11Y_TYPE_E_CELL_REGISTRY, GalA11yECellRegistry)) +#define GAL_A11Y_E_CELL_REGISTRY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GAL_A11Y_TYPE_E_CELL_REGISTRY, GalA11yECellRegistryClass)) +#define GAL_A11Y_IS_E_CELL_REGISTRY(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GAL_A11Y_TYPE_E_CELL_REGISTRY)) +#define GAL_A11Y_IS_E_CELL_REGISTRY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GAL_A11Y_TYPE_E_CELL_REGISTRY)) + +typedef struct _GalA11yECellRegistry GalA11yECellRegistry; +typedef struct _GalA11yECellRegistryClass GalA11yECellRegistryClass; +typedef struct _GalA11yECellRegistryPrivate GalA11yECellRegistryPrivate; + +typedef AtkObject *(*GalA11yECellRegistryFunc) (ETableItem *item, + ECellView *cell_view, + AtkObject *parent, + int model_col, + int view_col, + int row); + +struct _GalA11yECellRegistry { + GObject object; + + GalA11yECellRegistryPrivate *priv; +}; + +struct _GalA11yECellRegistryClass { + GObjectClass parent_class; +}; + + +/* Standard Glib function */ +GType gal_a11y_e_cell_registry_get_type (void); +AtkObject *gal_a11y_e_cell_registry_get_object (GalA11yECellRegistry *registry, + ETableItem *item, + ECellView *cell_view, + AtkObject *parent, + int model_col, + int view_col, + int row); +void gal_a11y_e_cell_registry_add_cell_type (GalA11yECellRegistry *registry, + GType type, + GalA11yECellRegistryFunc func); + +#endif /* ! __GAL_A11Y_E_CELL_REGISTRY_H__ */ diff --git a/widgets/table/a11y/gal-a11y-e-cell-text.c b/widgets/table/a11y/gal-a11y-e-cell-text.c new file mode 100644 index 0000000000..a2b9f715f8 --- /dev/null +++ b/widgets/table/a11y/gal-a11y-e-cell-text.c @@ -0,0 +1,737 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + * + * Authors: + * Christopher James Lahey <clahey@ximian.com> + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + +#include <config.h> + +#include <string.h> + +#include <atk/atk.h> + +#include "a11y/gal-a11y-util.h" +#include "table/e-cell-text.h" +#include <glib/gi18n.h> + +#include "gal-a11y-e-cell-text.h" + +#define CS_CLASS(a11y) (G_TYPE_INSTANCE_GET_CLASS ((a11y), C_TYPE_STREAM, GalA11yECellTextClass)) +static AtkObjectClass *parent_class; +#define PARENT_TYPE (gal_a11y_e_cell_get_type ()) + +/* Static functions */ +static void +ect_dispose (GObject *object) +{ + GObjectClass *g_class; + GalA11yECell *gaec = GAL_A11Y_E_CELL (object); + GalA11yECellText *gaet = GAL_A11Y_E_CELL_TEXT (object); + + if (gaet->inserted_id != 0) { + ECellText *ect = E_CELL_TEXT (gaec->cell_view->ecell); + + if (ect) { + g_signal_handler_disconnect (ect, gaet->inserted_id); + g_signal_handler_disconnect (ect, gaet->deleted_id); + } + + gaet->inserted_id = 0; + gaet->deleted_id = 0; + } + + g_class = (GObjectClass *)parent_class; + if (g_class->dispose) + g_class->dispose (object); + +} + +static gboolean +ect_check (gpointer a11y) +{ + GalA11yECell *gaec = GAL_A11Y_E_CELL (a11y); + ETableItem *item = gaec->item; + + g_return_val_if_fail ((gaec->item != NULL), FALSE); + g_return_val_if_fail ((gaec->cell_view != NULL), FALSE); + g_return_val_if_fail ((gaec->cell_view->ecell != NULL), FALSE); + + if (atk_state_set_contains_state (gaec->state_set, ATK_STATE_DEFUNCT)) + return FALSE; + + if (gaec->row < 0 || gaec->row >= item->rows + || gaec->view_col <0 || gaec->view_col >= item->cols + || gaec->model_col <0 || gaec->model_col >= e_table_model_column_count (item->table_model)) + return FALSE; + + if (!E_IS_CELL_TEXT (gaec->cell_view->ecell)) + return FALSE; + + return TRUE; +} + +static G_CONST_RETURN gchar* +ect_get_name (AtkObject * a11y) +{ + GalA11yECell *gaec; + char *name; + + if (!ect_check (a11y)) + return NULL; + + gaec = GAL_A11Y_E_CELL (a11y); + name = e_cell_text_get_text_by_view (gaec->cell_view, gaec->model_col, gaec->row); + if (name != NULL) { + ATK_OBJECT_CLASS (parent_class)->set_name (a11y, name); + g_free (name); + } + + if (a11y->name != NULL && strcmp (a11y->name, "")) { + return a11y->name; + } else { + return parent_class->get_name (a11y); + } +} + +static gchar * +ect_get_text (AtkText *text, + gint start_offset, + gint end_offset) +{ + GalA11yECell *gaec = GAL_A11Y_E_CELL (text); + gchar *full_text; + gchar *ret_val; + + if (!ect_check (text)) + return NULL; + + full_text = e_cell_text_get_text_by_view (gaec->cell_view, gaec->model_col, gaec->row); + + if (end_offset == -1) + end_offset = strlen (full_text); + else + end_offset = g_utf8_offset_to_pointer (full_text, end_offset) - full_text; + + start_offset = g_utf8_offset_to_pointer (full_text, start_offset) - full_text; + + ret_val = g_strndup (full_text + start_offset, end_offset - start_offset); + + g_free (full_text); + + return ret_val; +} + +static gchar * +ect_get_text_after_offset (AtkText *text, + gint offset, + AtkTextBoundary boundary_type, + gint *start_offset, + gint *end_offset) +{ + /* Unimplemented */ + return NULL; +} + +static gchar * +ect_get_text_at_offset (AtkText *text, + gint offset, + AtkTextBoundary boundary_type, + gint *start_offset, + gint *end_offset) +{ + /* Unimplemented */ + return NULL; +} + +static gunichar +ect_get_character_at_offset (AtkText *text, + gint offset) +{ + GalA11yECell *gaec = GAL_A11Y_E_CELL (text); + gunichar ret_val; + gchar *at_offset; + gchar *full_text; + + if (!ect_check (text)) + return -1; + + full_text = e_cell_text_get_text_by_view (gaec->cell_view, gaec->model_col, gaec->row); + at_offset = g_utf8_offset_to_pointer (full_text, offset); + ret_val = g_utf8_get_char_validated (at_offset, -1); + g_free (full_text); + + return ret_val; +} + + +static gchar* +ect_get_text_before_offset (AtkText *text, + gint offset, + AtkTextBoundary boundary_type, + gint *start_offset, + gint *end_offset) +{ + /* Unimplemented */ + return NULL; +} + + +static gint +ect_get_caret_offset (AtkText *text) +{ + GalA11yECell *gaec = GAL_A11Y_E_CELL (text); + gint start, end; + + if (!ect_check (text)) + return -1; + + if (e_cell_text_get_selection (gaec->cell_view, + gaec->view_col, gaec->row, + &start, &end)) { + gchar *full_text = e_cell_text_get_text_by_view (gaec->cell_view, gaec->model_col, gaec->row); + end = g_utf8_pointer_to_offset (full_text, full_text + end); + g_free (full_text); + + return end; + } + else + return -1; +} + +static AtkAttributeSet* +ect_get_run_attributes (AtkText *text, + gint offset, + gint *start_offset, + gint *end_offset) +{ + /* Unimplemented */ + return NULL; +} + + +static AtkAttributeSet* +ect_get_default_attributes (AtkText *text) +{ + /* Unimplemented */ + return NULL; +} + + +static void +ect_get_character_extents (AtkText *text, + gint offset, + gint *x, + gint *y, + gint *width, + gint *height, + AtkCoordType coords) +{ + /* Unimplemented */ +} + + +static gint +ect_get_character_count (AtkText *text) +{ + GalA11yECell *gaec = GAL_A11Y_E_CELL (text); + gint ret_val; + gchar *full_text; + + if (!ect_check (text)) + return -1; + + full_text = e_cell_text_get_text_by_view (gaec->cell_view, gaec->model_col, gaec->row); + + ret_val = g_utf8_strlen (full_text, -1); + g_free (full_text); + return ret_val; +} + + +static gint +ect_get_offset_at_point (AtkText *text, + gint x, + gint y, + AtkCoordType coords) +{ + /* Unimplemented */ + return 0; +} + + +static gint +ect_get_n_selections (AtkText *text) +{ + GalA11yECell *gaec = GAL_A11Y_E_CELL (text); + gint selection_start, selection_end; + + if (!ect_check (text)) + return 0; + + if (e_cell_text_get_selection (gaec->cell_view, + gaec->view_col, gaec->row, + &selection_start, + &selection_end) + && selection_start != selection_end) + return 1; + return 0; +} + + +static gchar* +ect_get_selection (AtkText *text, + gint selection_num, + gint *start_offset, + gint *end_offset) +{ + GalA11yECell *gaec = GAL_A11Y_E_CELL (text); + gchar *ret_val; + gint selection_start, selection_end; + + if (selection_num == 0 + && e_cell_text_get_selection (gaec->cell_view, + gaec->view_col, gaec->row, + &selection_start, + &selection_end) + && selection_start != selection_end) { + gint real_start, real_end, len; + gchar *full_text = e_cell_text_get_text_by_view (gaec->cell_view, gaec->model_col, gaec->row); + len = strlen (full_text); + real_start = MIN (selection_start, selection_end); + real_end = MAX (selection_start, selection_end); + real_start = MIN (MAX (0, real_start), len); + real_end = MIN (MAX (0, real_end), len); + + ret_val = g_strndup (full_text + real_start, real_end - real_start); + + real_start = g_utf8_pointer_to_offset (full_text, full_text + real_start); + real_end = g_utf8_pointer_to_offset (full_text, full_text + real_end); + + if (start_offset) + *start_offset = real_start; + if (end_offset) + *end_offset = real_end; + g_free (full_text); + } else { + if (start_offset) + *start_offset = 0; + if (end_offset) + *end_offset = 0; + ret_val = NULL; + } + + return ret_val; +} + + +static gboolean +ect_add_selection (AtkText *text, + gint start_offset, + gint end_offset) +{ + GalA11yECell *gaec = GAL_A11Y_E_CELL (text); + + if (start_offset != end_offset) { + gint real_start, real_end, len; + gchar *full_text = + e_cell_text_get_text_by_view (gaec->cell_view, gaec->model_col, gaec->row); + + len = g_utf8_strlen (full_text, -1); + if (end_offset == -1) + end_offset = len; + + real_start = MIN (start_offset, end_offset); + real_end = MAX (start_offset, end_offset); + + real_start = MIN (MAX (0, real_start), len); + real_end = MIN (MAX (0, real_end), len); + + real_start = g_utf8_offset_to_pointer (full_text, real_start) - full_text; + real_end = g_utf8_offset_to_pointer (full_text, real_end) - full_text; + g_free (full_text); + + if (e_cell_text_set_selection (gaec->cell_view, + gaec->view_col, gaec->row, + real_start, real_end)) { + g_signal_emit_by_name (ATK_OBJECT(text), "text_selection_changed"); + return TRUE; + } + } + + return FALSE; +} + + +static gboolean +ect_remove_selection (AtkText *text, + gint selection_num) +{ + GalA11yECell *gaec = GAL_A11Y_E_CELL (text); + gint selection_start, selection_end; + + if (selection_num == 0 + && e_cell_text_get_selection (gaec->cell_view, + gaec->view_col, gaec->row, + &selection_start, + &selection_end) + && selection_start != selection_end + && e_cell_text_set_selection (gaec->cell_view, + gaec->view_col, gaec->row, + selection_end, selection_end)) { + g_signal_emit_by_name (ATK_OBJECT(text), "text_selection_changed"); + return TRUE; + } + else + return FALSE; +} + + +static gboolean +ect_set_selection (AtkText *text, + gint selection_num, + gint start_offset, + gint end_offset) +{ + if (selection_num == 0) { + atk_text_add_selection (text, start_offset, end_offset); + return TRUE; + } + else + return FALSE; +} + + +static gboolean +ect_set_caret_offset (AtkText *text, + gint offset) +{ + GalA11yECell *gaec = GAL_A11Y_E_CELL (text); + gchar *full_text; + gint len; + + full_text = e_cell_text_get_text_by_view (gaec->cell_view, gaec->model_col, gaec->row); + + len = g_utf8_strlen (full_text, -1); + if (offset == -1) + offset = len; + else + offset = MIN (MAX (0, offset), len); + + offset = g_utf8_offset_to_pointer (full_text, offset) - full_text; + + g_free (full_text); + + return e_cell_text_set_selection (gaec->cell_view, + gaec->view_col, gaec->row, + offset, offset); +} + +static gboolean +ect_set_run_attributes (AtkEditableText *text, + AtkAttributeSet *attrib_set, + gint start_offset, + gint end_offset) +{ + /* Unimplemented */ + return FALSE; +} + +static void +ect_set_text_contents (AtkEditableText *text, + const gchar *string) +{ + GalA11yECell *gaec = GAL_A11Y_E_CELL (text); + ECellText *ect = E_CELL_TEXT (gaec->cell_view->ecell); + + e_cell_text_set_value (ect, gaec->item->table_model, gaec->model_col, gaec->row, string); + e_table_item_enter_edit (gaec->item, gaec->view_col, gaec->row); +} + +static void +ect_insert_text (AtkEditableText *text, + const gchar *string, + gint length, + gint *position) +{ + /* Utf8 unimplemented */ + GalA11yECell *gaec = GAL_A11Y_E_CELL (text); + ECellText *ect = E_CELL_TEXT (gaec->cell_view->ecell); + + gchar *full_text = e_cell_text_get_text_by_view (gaec->cell_view, gaec->model_col, gaec->row); + gchar *result = g_strdup_printf ("%.*s%.*s%s", *position, full_text, length, string, full_text + *position); + + e_cell_text_set_value (ect, gaec->item->table_model, gaec->model_col, gaec->row, result); + + *position += length; + + g_free (result); + g_free (full_text); +} + +static void +ect_copy_text (AtkEditableText *text, + gint start_pos, + gint end_pos) +{ + GalA11yECell *gaec = GAL_A11Y_E_CELL (text); + if (start_pos != end_pos + && atk_text_set_selection (ATK_TEXT (text), 0, start_pos, end_pos)) + e_cell_text_copy_clipboard (gaec->cell_view, + gaec->view_col, gaec->row); +} + +static void +ect_delete_text (AtkEditableText *text, + gint start_pos, + gint end_pos) +{ + GalA11yECell *gaec = GAL_A11Y_E_CELL (text); + if (start_pos != end_pos + && atk_text_set_selection (ATK_TEXT (text), 0, start_pos, end_pos)) + e_cell_text_delete_selection (gaec->cell_view, + gaec->view_col, gaec->row); +} + +static void +ect_cut_text (AtkEditableText *text, + gint start_pos, + gint end_pos) +{ + ect_copy_text (text, start_pos, end_pos); + ect_delete_text (text, start_pos, end_pos); +} + +static void +ect_paste_text (AtkEditableText *text, + gint position) +{ + GalA11yECell *gaec = GAL_A11Y_E_CELL (text); + + e_table_item_enter_edit (gaec->item, gaec->view_col, gaec->row); + + if (atk_text_set_caret_offset (ATK_TEXT (text), position)) + e_cell_text_paste_clipboard (gaec->cell_view, + gaec->view_col, gaec->row); +} + +static void +ect_do_action_edit (AtkAction *action) +{ + GalA11yECell *a11y = GAL_A11Y_E_CELL (action); + ETableModel *e_table_model = a11y->item->table_model; + + if (e_table_model_is_cell_editable(e_table_model, a11y->model_col, a11y->row)) { + e_table_item_enter_edit (a11y->item, a11y->view_col, a11y->row); + } +} + +/* text signal handlers */ +static void +ect_text_inserted_cb (ECellText *text, ECellView *cell_view, int pos, int len, int row, int model_col, gpointer data) +{ + GalA11yECellText *gaet; + GalA11yECell *gaec; + + if (!ect_check (data)) + return; + gaet = GAL_A11Y_E_CELL_TEXT (data); + gaec = GAL_A11Y_E_CELL (data); + + if (cell_view == gaec->cell_view && row == gaec->row && model_col == gaec->model_col) { + g_signal_emit_by_name (gaet, "text_changed::insert", pos, len); + + } +} + +static void +ect_text_deleted_cb (ECellText *text, ECellView *cell_view, int pos, int len, int row, int model_col, gpointer data) +{ + GalA11yECellText *gaet; + GalA11yECell *gaec; + if (!ect_check (data)) + return; + gaet = GAL_A11Y_E_CELL_TEXT (data); + gaec = GAL_A11Y_E_CELL (data); + if (cell_view == gaec->cell_view && row == gaec->row && model_col == gaec->model_col) { + g_signal_emit_by_name (gaet, "text_changed::delete", pos, len); + } +} + +static void +ect_atk_text_iface_init (AtkTextIface *iface) +{ + iface->get_text = ect_get_text; + iface->get_text_after_offset = ect_get_text_after_offset; + iface->get_text_at_offset = ect_get_text_at_offset; + iface->get_character_at_offset = ect_get_character_at_offset; + iface->get_text_before_offset = ect_get_text_before_offset; + iface->get_caret_offset = ect_get_caret_offset; + iface->get_run_attributes = ect_get_run_attributes; + iface->get_default_attributes = ect_get_default_attributes; + iface->get_character_extents = ect_get_character_extents; + iface->get_character_count = ect_get_character_count; + iface->get_offset_at_point = ect_get_offset_at_point; + iface->get_n_selections = ect_get_n_selections; + iface->get_selection = ect_get_selection; + iface->add_selection = ect_add_selection; + iface->remove_selection = ect_remove_selection; + iface->set_selection = ect_set_selection; + iface->set_caret_offset = ect_set_caret_offset; +} + +static void +ect_atk_editable_text_iface_init (AtkEditableTextIface *iface) +{ + iface->set_run_attributes = ect_set_run_attributes; + iface->set_text_contents = ect_set_text_contents; + iface->insert_text = ect_insert_text; + iface->copy_text = ect_copy_text; + iface->cut_text = ect_cut_text; + iface->delete_text = ect_delete_text; + iface->paste_text = ect_paste_text; +} + +static void +ect_class_init (GalA11yECellTextClass *klass) +{ + AtkObjectClass *a11y = ATK_OBJECT_CLASS (klass); + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + parent_class = g_type_class_ref (PARENT_TYPE); + a11y->get_name = ect_get_name; + object_class->dispose = ect_dispose; +} + +static void +ect_action_init (GalA11yECellText *a11y) +{ + GalA11yECell *gaec = GAL_A11Y_E_CELL (a11y); + ECellText *ect = E_CELL_TEXT (gaec->cell_view->ecell); + if (ect->editable && e_table_model_is_cell_editable (gaec->cell_view->e_table_model, gaec->model_col, gaec->row)) + gal_a11y_e_cell_add_action (gaec, + _("edit"), + _("begin editing this cell"), + NULL, + (ACTION_FUNC) ect_do_action_edit); +} + +/** + * gal_a11y_e_cell_text_get_type: + * @void: + * + * Registers the &GalA11yECellText class if necessary, and returns the type ID + * associated to it. + * + * Return value: The type ID of the &GalA11yECellText class. + **/ +GType +gal_a11y_e_cell_text_get_type (void) +{ + static GType type = 0; + + if (!type) { + GTypeInfo info = { + sizeof (GalA11yECellTextClass), + (GBaseInitFunc) NULL, + (GBaseFinalizeFunc) NULL, + (GClassInitFunc) ect_class_init, + (GClassFinalizeFunc) NULL, + NULL, /* class_data */ + sizeof (GalA11yECellText), + 0, + (GInstanceInitFunc) NULL, + NULL /* value_cell_text */ + }; + + static const GInterfaceInfo atk_text_info = { + (GInterfaceInitFunc) ect_atk_text_iface_init, + (GInterfaceFinalizeFunc) NULL, + NULL + }; + + static const GInterfaceInfo atk_editable_text_info = { + (GInterfaceInitFunc) ect_atk_editable_text_iface_init, + (GInterfaceFinalizeFunc) NULL, + NULL + }; + + type = g_type_register_static (PARENT_TYPE, "GalA11yECellText", &info, 0); + g_type_add_interface_static (type, ATK_TYPE_TEXT, &atk_text_info); + g_type_add_interface_static (type, ATK_TYPE_EDITABLE_TEXT, &atk_editable_text_info); + gal_a11y_e_cell_type_add_action_interface (type); + } + + return type; +} + +static void +cell_text_destroyed (gpointer data) +{ + g_return_if_fail (GAL_A11Y_IS_E_CELL_TEXT (data)); + + g_object_unref (data); +} + +AtkObject * +gal_a11y_e_cell_text_new (ETableItem *item, + ECellView *cell_view, + AtkObject *parent, + int model_col, + int view_col, + int row) +{ + AtkObject *a11y; + GalA11yECell *gaec; + GalA11yECellText *gaet; + ECellText *ect; + + a11y = g_object_new (gal_a11y_e_cell_text_get_type (), NULL); + + gal_a11y_e_cell_construct (a11y, + item, + cell_view, + parent, + model_col, + view_col, + row); + gaet = GAL_A11Y_E_CELL_TEXT (a11y); + + /* will be unrefed in cell_text_destroyed */ + g_object_ref (a11y); + + gaet->inserted_id = g_signal_connect (E_CELL_TEXT (((ECellView *)cell_view)->ecell), + "text_inserted", G_CALLBACK (ect_text_inserted_cb), a11y); + gaet->deleted_id = g_signal_connect (E_CELL_TEXT (((ECellView *)cell_view)->ecell), + "text_deleted", G_CALLBACK (ect_text_deleted_cb), a11y); + + g_object_weak_ref (G_OBJECT (((ECellView *)cell_view)->ecell), + (GWeakNotify) cell_text_destroyed, + a11y); + + ect_action_init (gaet); + + ect = E_CELL_TEXT (cell_view->ecell); + gaec = GAL_A11Y_E_CELL (a11y); + if (ect->editable && e_table_model_is_cell_editable (gaec->cell_view->e_table_model, gaec->model_col, gaec->row)) + gal_a11y_e_cell_add_state (gaec, ATK_STATE_EDITABLE, FALSE); + else + gal_a11y_e_cell_remove_state (gaec, ATK_STATE_EDITABLE, FALSE); + + return a11y; +} diff --git a/widgets/table/a11y/gal-a11y-e-cell-text.h b/widgets/table/a11y/gal-a11y-e-cell-text.h new file mode 100644 index 0000000000..32fce8771c --- /dev/null +++ b/widgets/table/a11y/gal-a11y-e-cell-text.h @@ -0,0 +1,64 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + * + * Authors: + * Christopher James Lahey <clahey@ximian.com> + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + +#ifndef __GAL_A11Y_E_CELL_TEXT_H__ +#define __GAL_A11Y_E_CELL_TEXT_H__ + +#include <glib-object.h> +#include <table/e-table-item.h> +#include <table/e-cell-text.h> +#include <table/a11y/gal-a11y-e-cell.h> + +#define GAL_A11Y_TYPE_E_CELL_TEXT (gal_a11y_e_cell_text_get_type ()) +#define GAL_A11Y_E_CELL_TEXT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GAL_A11Y_TYPE_E_CELL_TEXT, GalA11yECellText)) +#define GAL_A11Y_E_CELL_TEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GAL_A11Y_TYPE_E_CELL_TEXT, GalA11yECellTextClass)) +#define GAL_A11Y_IS_E_CELL_TEXT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GAL_A11Y_TYPE_E_CELL_TEXT)) +#define GAL_A11Y_IS_E_CELL_TEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GAL_A11Y_TYPE_E_CELL_TEXT)) + +typedef struct _GalA11yECellText GalA11yECellText; +typedef struct _GalA11yECellTextClass GalA11yECellTextClass; +typedef struct _GalA11yECellTextPrivate GalA11yECellTextPrivate; + +/* This struct should actually be larger as this isn't what we derive from. + * The GalA11yECellTextPrivate comes right after the parent class structure. + **/ +struct _GalA11yECellText { + GalA11yECell object; + gint inserted_id; + gint deleted_id; +}; + +struct _GalA11yECellTextClass { + GalA11yECellClass parent_class; +}; + + +/* Standard Glib function */ +GType gal_a11y_e_cell_text_get_type (void); +AtkObject *gal_a11y_e_cell_text_new (ETableItem *item, + ECellView *cell_view, + AtkObject *parent, + int model_col, + int view_col, + int row); + +#endif /* ! __GAL_A11Y_E_CELL_TEXT_H__ */ diff --git a/widgets/table/a11y/gal-a11y-e-cell-toggle.c b/widgets/table/a11y/gal-a11y-e-cell-toggle.c new file mode 100644 index 0000000000..c0425a0cbb --- /dev/null +++ b/widgets/table/a11y/gal-a11y-e-cell-toggle.c @@ -0,0 +1,191 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + * + * Authors: + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + +#include <gtk/gtk.h> + +#include "table/e-cell-toggle.h" +#include "table/e-table-model.h" +#include <glib/gi18n.h> + +#include "gal-a11y-e-cell-toggle.h" + +#define PARENT_TYPE (gal_a11y_e_cell_get_type ()) +static GObjectClass *parent_class; + +static void gal_a11y_e_cell_toggle_class_init (GalA11yECellToggleClass *klass); + +static void +gal_a11y_e_cell_toggle_dispose (GObject *object) +{ + GalA11yECellToggle *a11y = GAL_A11Y_E_CELL_TOGGLE (object); + + ETableModel *e_table_model = GAL_A11Y_E_CELL (a11y)->item->table_model; + + if (e_table_model && a11y->model_id > 0) { + g_signal_handler_disconnect (e_table_model, a11y->model_id); + a11y->model_id = 0; + } + + if (parent_class->dispose) + parent_class->dispose (object); +} + +GType +gal_a11y_e_cell_toggle_get_type (void) +{ + static GType type = 0; + + if (!type) + { + static const GTypeInfo tinfo = + { + sizeof (GalA11yECellToggleClass), + (GBaseInitFunc) NULL, /* base init */ + (GBaseFinalizeFunc) NULL, /* base finalize */ + (GClassInitFunc) gal_a11y_e_cell_toggle_class_init, /* class init */ + (GClassFinalizeFunc) NULL, /* class finalize */ + NULL, /* class data */ + sizeof (GalA11yECellToggle), /* instance size */ + 0, /* nb preallocs */ + NULL, /* instance init */ + NULL /* value table */ + }; + + + type = g_type_register_static (GAL_A11Y_TYPE_E_CELL, + "GalA11yECellToggle", &tinfo, 0); + gal_a11y_e_cell_type_add_action_interface (type); + + } + return type; +} + + +static void +gal_a11y_e_cell_toggle_class_init (GalA11yECellToggleClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + object_class->dispose = gal_a11y_e_cell_toggle_dispose; + parent_class = g_type_class_ref (PARENT_TYPE); +} + +static void +toggle_cell_action (GalA11yECell *cell) +{ + gint finished; + GdkEventButton event; + gint x, y, width, height; + gint row, col; + + row = cell->row; + col = cell->view_col; + + e_table_item_get_cell_geometry (cell->item, &row, &col, + &x, &y, &width, &height); + + event.x = x + width / 2 + (int)(GNOME_CANVAS_ITEM (cell->item)->x1); + event.y = y + height / 2 + (int)(GNOME_CANVAS_ITEM (cell->item)->y1); + + event.type = GDK_BUTTON_PRESS; + event.window = GTK_LAYOUT(GNOME_CANVAS_ITEM(cell->item)->canvas)->bin_window; + event.button = 1; + event.send_event = TRUE; + event.time = GDK_CURRENT_TIME; + event.axes = NULL; + + g_signal_emit_by_name (cell->item, "event", &event, &finished); +} + +static void +model_change_cb (ETableModel *etm, + gint col, + gint row, + GalA11yECell *cell) +{ + gint value; + + if (col == cell->model_col && row == cell->row) { + + value = GPOINTER_TO_INT ( + e_table_model_value_at (cell->cell_view->e_table_model, + cell->model_col, cell->row)); + /* Cheat gnopernicus, or it will ignore the state change signal */ + atk_focus_tracker_notify (ATK_OBJECT (cell)); + + if (value) + gal_a11y_e_cell_add_state (cell, ATK_STATE_CHECKED, TRUE); + else + gal_a11y_e_cell_remove_state (cell, ATK_STATE_CHECKED, TRUE); + } +} + + +AtkObject* +gal_a11y_e_cell_toggle_new (ETableItem *item, + ECellView *cell_view, + AtkObject *parent, + int model_col, + int view_col, + int row) +{ + AtkObject *a11y; + GalA11yECell *cell; + GalA11yECellToggle *toggle_cell; + gint value; + + a11y = ATK_OBJECT(g_object_new (GAL_A11Y_TYPE_E_CELL_TOGGLE, NULL)); + + g_return_val_if_fail (a11y != NULL, NULL); + + cell = GAL_A11Y_E_CELL(a11y); + toggle_cell = GAL_A11Y_E_CELL_TOGGLE(a11y); + a11y->role = ATK_ROLE_TABLE_CELL; + + gal_a11y_e_cell_construct (a11y, + item, + cell_view, + parent, + model_col, + view_col, + row); + + gal_a11y_e_cell_add_action (cell, + _("toggle"), /* action name*/ + _("toggle the cell"), /* action description */ + NULL, /* action keybinding */ + toggle_cell_action); + + toggle_cell->model_id = g_signal_connect (item->table_model, + "model_cell_changed", + (GCallback) model_change_cb, + a11y); + + value = GPOINTER_TO_INT ( + e_table_model_value_at (cell->cell_view->e_table_model, + cell->model_col, cell->row)); + if (value) + gal_a11y_e_cell_add_state (cell, ATK_STATE_CHECKED, FALSE); + else + gal_a11y_e_cell_remove_state (cell, ATK_STATE_CHECKED, FALSE); + + return a11y; +} diff --git a/widgets/table/a11y/gal-a11y-e-cell-toggle.h b/widgets/table/a11y/gal-a11y-e-cell-toggle.h new file mode 100644 index 0000000000..769e0b4200 --- /dev/null +++ b/widgets/table/a11y/gal-a11y-e-cell-toggle.h @@ -0,0 +1,68 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + * + * Authors: + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + +#ifndef __GAL_A11Y_E_CELL_TOGGLE_H__ +#define __GAL_A11Y_E_CELL_TOGGLE_H__ + +#include <atk/atk.h> +#include "gal-a11y-e-cell.h" +#include "gal-a11y-e-cell-toggle.h" + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +#define GAL_A11Y_TYPE_E_CELL_TOGGLE (gal_a11y_e_cell_toggle_get_type ()) +#define GAL_A11Y_E_CELL_TOGGLE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GAL_A11Y_TYPE_E_CELL_TOGGLE, GalA11yECellToggle)) +#define GAL_A11Y_E_CELL_TOGGLE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GAL_A11Y_E_CELL_TOGGLE, GalA11yECellToggleClass)) +#define GAL_A11Y_IS_E_CELL_TOGGLE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GAL_A11Y_TYPE_E_CELL_TOGGLE)) +#define GAL_A11Y_IS_E_CELL_TOGGLE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GAL_A11Y_TYPE_E_CELL_TOGGLE)) +#define GAL_A11Y_E_CELL_TOGGLE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GAL_A11Y_TYPE_E_CELL_TOGGLE, GalA11yECellToggleClass)) + +typedef struct _GalA11yECellToggle GalA11yECellToggle; +typedef struct _GalA11yECellToggleClass GalA11yECellToggleClass; + +struct _GalA11yECellToggle +{ + GalA11yECell parent; + gint model_id; +}; + +GType gal_a11y_e_cell_toggle_get_type (void); + +struct _GalA11yECellToggleClass +{ + GalA11yECellClass parent_class; +}; + +AtkObject *gal_a11y_e_cell_toggle_new (ETableItem *item, + ECellView *cell_view, + AtkObject *parent, + int model_col, + int view_col, + int row); + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + + +#endif /* __GAL_A11Y_E_CELL_TOGGLE_H__ */ diff --git a/widgets/table/a11y/gal-a11y-e-cell-tree.c b/widgets/table/a11y/gal-a11y-e-cell-tree.c new file mode 100644 index 0000000000..0a5f8e2019 --- /dev/null +++ b/widgets/table/a11y/gal-a11y-e-cell-tree.c @@ -0,0 +1,260 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + * + * Authors: + * Tim Wo <tim.wo@sun.com> + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + +#include <config.h> + +#include <atk/atk.h> + +#include "a11y/gal-a11y-util.h" +#include "table/e-cell-tree.h" +#include "table/e-table.h" +#include "table/e-tree-table-adapter.h" +#include <glib/gi18n.h> + +#include "gal-a11y-e-cell-tree.h" +#include "gal-a11y-e-cell-registry.h" + +#define CS_CLASS(a11y) (G_TYPE_INSTANCE_GET_CLASS ((a11y), C_TYPE_STREAM, GalA11yECellTreeClass)) +static AtkObjectClass *a11y_parent_class; +#define A11Y_PARENT_TYPE (gal_a11y_e_cell_get_type ()) + +#define d(x) + +static void +ectr_model_row_changed_cb (ETableModel *etm, + gint row, + GalA11yECell *a11y) +{ + ETreePath node; + ETreeModel *tree_model; + ETreeTableAdapter *tree_table_adapter; + + g_return_if_fail (a11y); + if (a11y->row != row) + return; + + node = e_table_model_value_at (etm, -1, a11y->row); + tree_model = e_table_model_value_at (etm, -2, a11y->row); + tree_table_adapter = e_table_model_value_at (etm, -3, a11y->row); + + if (e_tree_model_node_is_expandable (tree_model, node)) { + gboolean is_exp = e_tree_table_adapter_node_is_expanded (tree_table_adapter, node); + if (is_exp) + gal_a11y_e_cell_add_state (a11y, ATK_STATE_EXPANDED, TRUE); + else + gal_a11y_e_cell_remove_state (a11y, ATK_STATE_EXPANDED, TRUE); + } +} + +static void +kill_view_cb(ECellView *subcell_view, + gpointer psubcell_a11ies) +{ + GList *node; + GList *subcell_a11ies = (GList *) psubcell_a11ies; + GalA11yECell *subcell; + + for (node = subcell_a11ies; node != NULL; node = g_list_next (node)) + { + subcell = GAL_A11Y_E_CELL(node->data); + if (subcell && subcell->cell_view == subcell_view) + { + d(fprintf(stderr, "subcell_view %p deleted before the a11y object %p\n", subcell_view, subcell)); + subcell->cell_view = NULL; + } + } +} + +static void +ectr_subcell_weak_ref (GalA11yECellTree *a11y, + GalA11yECell *subcell_a11y) +{ + ECellView *subcell_view = subcell_a11y ? subcell_a11y->cell_view : NULL; + if (subcell_a11y && subcell_view && subcell_view->kill_view_cb_data) + subcell_view->kill_view_cb_data = g_list_remove(subcell_view->kill_view_cb_data, subcell_a11y); + + g_signal_handler_disconnect (GAL_A11Y_E_CELL (a11y)->item->table_model, + a11y->model_row_changed_id); + g_object_unref (a11y); +} + +static void +ectr_do_action_expand (AtkAction *action) +{ + GalA11yECell *a11y; + ETableModel *table_model; + ETreePath node; + ETreeModel *tree_model; + ETreeTableAdapter *tree_table_adapter; + + a11y = GAL_A11Y_E_CELL (action); + table_model = a11y->item->table_model; + node = e_table_model_value_at (table_model, -1, a11y->row); + tree_model = e_table_model_value_at (table_model, -2, a11y->row); + tree_table_adapter = e_table_model_value_at (table_model, -3, a11y->row); + + if (e_tree_model_node_is_expandable (tree_model, node)) { + e_tree_table_adapter_node_set_expanded (tree_table_adapter, + node, + TRUE); + gal_a11y_e_cell_add_state (a11y, ATK_STATE_EXPANDED, TRUE); + } +} + +static void +ectr_do_action_collapse (AtkAction *action) +{ + GalA11yECell *a11y; + ETableModel *table_model; + ETreePath node; + ETreeModel *tree_model; + ETreeTableAdapter *tree_table_adapter; + + a11y = GAL_A11Y_E_CELL (action); + table_model = a11y->item->table_model; + node = e_table_model_value_at (table_model, -1, a11y->row); + tree_model = e_table_model_value_at (table_model, -2, a11y->row); + tree_table_adapter = e_table_model_value_at (table_model, -3, a11y->row); + + if (e_tree_model_node_is_expandable (tree_model, node)) { + e_tree_table_adapter_node_set_expanded (tree_table_adapter, + node, + FALSE); + gal_a11y_e_cell_remove_state (a11y, ATK_STATE_EXPANDED, TRUE); + } +} + +static void +ectr_class_init (GalA11yECellTreeClass *klass) +{ + a11y_parent_class = g_type_class_ref (A11Y_PARENT_TYPE); +} + +static void +ectr_init (GalA11yECellTree *a11y) +{ +} + +GType +gal_a11y_e_cell_tree_get_type (void) +{ + static GType type = 0; + + if (!type) { + GTypeInfo info = { + sizeof (GalA11yECellTreeClass), + (GBaseInitFunc) NULL, + (GBaseFinalizeFunc) NULL, + (GClassInitFunc) ectr_class_init, + (GClassFinalizeFunc) NULL, + NULL, /* class_data */ + sizeof (GalA11yECellTree), + 0, + (GInstanceInitFunc) ectr_init, + NULL /* value_cell_text */ + }; + + type = g_type_register_static (A11Y_PARENT_TYPE, "GalA11yECellTree", &info, 0); + gal_a11y_e_cell_type_add_action_interface (type); + } + + return type; +} + +AtkObject * +gal_a11y_e_cell_tree_new (ETableItem *item, + ECellView *cell_view, + AtkObject *parent, + int model_col, + int view_col, + int row) +{ + AtkObject *subcell_a11y; + GalA11yECellTree *a11y; + + ETreePath node; + ETreeModel *tree_model; + ETreeTableAdapter *tree_table_adapter; + + ECellView *subcell_view; + subcell_view = e_cell_tree_view_get_subcell_view (cell_view); + + if (subcell_view->ecell) { + subcell_a11y = gal_a11y_e_cell_registry_get_object (NULL, + item, + subcell_view, + parent, + model_col, + view_col, + row); + gal_a11y_e_cell_add_action (GAL_A11Y_E_CELL (subcell_a11y), + _("expand"), + _("expands the row in the ETree containing this cell"), + NULL, + (ACTION_FUNC)ectr_do_action_expand); + + gal_a11y_e_cell_add_action (GAL_A11Y_E_CELL (subcell_a11y), + _("collapse"), + _("collapses the row in the ETree containing this cell"), + NULL, + (ACTION_FUNC)ectr_do_action_collapse); + + /* init AtkStates for the cell's a11y object */ + node = e_table_model_value_at (item->table_model, -1, row); + tree_model = e_table_model_value_at (item->table_model, -2, row); + tree_table_adapter = e_table_model_value_at (item->table_model, -3, row); + if (e_tree_model_node_is_expandable (tree_model, node)) { + gal_a11y_e_cell_add_state (GAL_A11Y_E_CELL (subcell_a11y), ATK_STATE_EXPANDABLE, FALSE); + if (e_tree_table_adapter_node_is_expanded (tree_table_adapter, node)) + gal_a11y_e_cell_add_state (GAL_A11Y_E_CELL (subcell_a11y), ATK_STATE_EXPANDED, FALSE); + } + } + else + subcell_a11y = NULL; + + /* create a companion a11y object, this object has type GalA11yECellTree + and it connects to some signals to determine whether a tree cell is + expanded or collapsed */ + a11y = g_object_new (gal_a11y_e_cell_tree_get_type (), NULL); + gal_a11y_e_cell_construct (ATK_OBJECT (a11y), + item, + cell_view, + parent, + model_col, + view_col, + row); + a11y->model_row_changed_id = + g_signal_connect (item->table_model, "model_row_changed", + G_CALLBACK (ectr_model_row_changed_cb), + subcell_a11y); + + if (subcell_a11y && subcell_view) + { + subcell_view->kill_view_cb = kill_view_cb; + if (!g_list_find(subcell_view->kill_view_cb_data, subcell_a11y)) + subcell_view->kill_view_cb_data = g_list_append(subcell_view->kill_view_cb_data, subcell_a11y); + } + + g_object_weak_ref (G_OBJECT (subcell_a11y), (GWeakNotify) ectr_subcell_weak_ref, a11y); + + return subcell_a11y; +} diff --git a/widgets/table/a11y/gal-a11y-e-cell-tree.h b/widgets/table/a11y/gal-a11y-e-cell-tree.h new file mode 100644 index 0000000000..43169c2f28 --- /dev/null +++ b/widgets/table/a11y/gal-a11y-e-cell-tree.h @@ -0,0 +1,64 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + * + * Authors: + * Tim Wo <tim.wo@sun.com> + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + +#ifndef __GAL_A11Y_E_CELL_TREE_H__ +#define __GAL_A11Y_E_CELL_TREE_H__ + +#include <glib-object.h> +#include <table/e-table-item.h> +#include <table/e-cell-tree.h> +#include "gal-a11y-e-cell.h" + +#define GAL_A11Y_TYPE_E_CELL_TREE (gal_a11y_e_cell_tree_get_type ()) +#define GAL_A11Y_E_CELL_TREE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GAL_A11Y_TYPE_E_CELL_TREE, GalA11yECellTree)) +#define GAL_A11Y_E_CELL_TREE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GAL_A11Y_TYPE_E_CELL_TREE, GalA11yECellTreeClass)) +#define GAL_A11Y_IS_E_CELL_TREE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GAL_A11Y_TYPE_E_CELL_TREE)) +#define GAL_A11Y_IS_E_CELL_TREE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GAL_A11Y_TYPE_E_CELL_TREE)) + +typedef struct _GalA11yECellTree GalA11yECellTree; +typedef struct _GalA11yECellTreeClass GalA11yECellTreeClass; +typedef struct _GalA11yECellTreePrivate GalA11yECellTreePrivate; + +/* This struct should actually be larger as this isn't what we derive from. + * The GalA11yECellTreePrivate comes right after the parent class structure. + **/ +struct _GalA11yECellTree { + GalA11yECell object; + + int model_row_changed_id; +}; + +struct _GalA11yECellTreeClass { + GalA11yECellClass parent_class; +}; + + +/* Standard Glib function */ +GType gal_a11y_e_cell_tree_get_type (void); +AtkObject *gal_a11y_e_cell_tree_new (ETableItem *item, + ECellView *cell_view, + AtkObject *parent, + int model_col, + int view_col, + int row); + +#endif /* ! __GAL_A11Y_E_CELL_TREE_H__ */ diff --git a/widgets/table/a11y/gal-a11y-e-cell-vbox.c b/widgets/table/a11y/gal-a11y-e-cell-vbox.c new file mode 100644 index 0000000000..7a5eadba52 --- /dev/null +++ b/widgets/table/a11y/gal-a11y-e-cell-vbox.c @@ -0,0 +1,225 @@ +/* + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + * + * Authors: + * Eric Zhao <eric.zhao@sun.com> + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * Copyright (C) 2004 Sun Microsystem, Inc. + * + */ + +#include <config.h> + +#include <atk/atk.h> + +#include "table/e-cell-vbox.h" + +#include "gal-a11y-e-cell-registry.h" +#include "gal-a11y-e-cell-vbox.h" + +static GObjectClass *parent_class; +static AtkComponentIface *component_parent_iface; +#define PARENT_TYPE (gal_a11y_e_cell_get_type ()) + +static gint +ecv_get_n_children (AtkObject *a11y) +{ + g_return_val_if_fail (GAL_A11Y_IS_E_CELL_VBOX (a11y), 0); + + return GAL_A11Y_E_CELL_VBOX (a11y)->a11y_subcell_count; +} + +static void +subcell_destroyed (gpointer data) +{ + GalA11yECell *cell; + AtkObject *parent; + GalA11yECellVbox *gaev; + + g_return_if_fail (GAL_A11Y_IS_E_CELL (data)); + cell = GAL_A11Y_E_CELL (data); + + parent = atk_object_get_parent (ATK_OBJECT (cell)); + g_return_if_fail (GAL_A11Y_IS_E_CELL_VBOX (parent)); + gaev = GAL_A11Y_E_CELL_VBOX (parent); + + if (cell->view_col < gaev->a11y_subcell_count) + gaev->a11y_subcells[cell->view_col] = NULL; +} + +static AtkObject* +ecv_ref_child (AtkObject *a11y, gint i) +{ + GalA11yECellVbox *gaev = GAL_A11Y_E_CELL_VBOX (a11y); + GalA11yECell *gaec = GAL_A11Y_E_CELL (a11y); + ECellVboxView *ecvv = (ECellVboxView *) (gaec->cell_view); + AtkObject *ret; + if (i < gaev->a11y_subcell_count) { + if (gaev->a11y_subcells[i] == NULL) { + ECellView *subcell_view; + gint model_col, row; + row = gaec->row; + model_col = ecvv->model_cols[i]; + subcell_view = ecvv->subcell_views[i]; + ret = gal_a11y_e_cell_registry_get_object (NULL, + gaec->item, + subcell_view, + a11y, + model_col, + gaec->view_col, /* FIXME should the view column use a fake one or the same as its parent? */ + row); + gaev->a11y_subcells[i] = ret; + g_object_ref (ret); + g_object_weak_ref (G_OBJECT (ret), + (GWeakNotify) subcell_destroyed, + ret); + } else { + ret = (AtkObject *) gaev->a11y_subcells[i]; + if (ATK_IS_OBJECT (ret)) + g_object_ref (ret); + else + ret = NULL; + } + } else { + ret = NULL; + } + + return ret; +} + +static void +ecv_dispose (GObject *object) +{ + GalA11yECellVbox *gaev = GAL_A11Y_E_CELL_VBOX (object); + if (gaev->a11y_subcells) + g_free (gaev->a11y_subcells); + + if (parent_class->dispose) + parent_class->dispose (object); +} + +/* AtkComponet interface */ +static AtkObject* +ecv_ref_accessible_at_point (AtkComponent *component, + gint x, + gint y, + AtkCoordType coord_type) +{ + gint x0, y0, width, height; + int subcell_height, i; + + GalA11yECell *gaec = GAL_A11Y_E_CELL (component); + ECellVboxView *ecvv = (ECellVboxView *) (gaec->cell_view); + + atk_component_get_extents (component, &x0, &y0, &width, &height, coord_type); + x -= x0; + y -= y0; + if (x < 0 || x > width || y < 0 || y > height) + return NULL; + + for (i = 0; i < ecvv->subcell_view_count; i++) { + subcell_height = e_cell_height (ecvv->subcell_views[i], ecvv->model_cols[i], gaec->view_col, gaec->row); + if ( 0 <= y && y <= subcell_height) { + return ecv_ref_child ((AtkObject *)component, i); + } else + y -= subcell_height; + } + + return NULL; +} + +static void +ecv_class_init (GalA11yECellVboxClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + AtkObjectClass *a11y_class = ATK_OBJECT_CLASS (klass); + parent_class = g_type_class_ref (PARENT_TYPE); + + object_class->dispose = ecv_dispose; + + a11y_class->get_n_children = ecv_get_n_children; + a11y_class->ref_child = ecv_ref_child; +} + +static void +ecv_init (GalA11yECellVbox *a11y) +{ +} + +static void +ecv_atk_component_iface_init (AtkComponentIface *iface) +{ + component_parent_iface = g_type_interface_peek_parent (iface); + + iface->ref_accessible_at_point = ecv_ref_accessible_at_point; +} + +GType +gal_a11y_e_cell_vbox_get_type (void) +{ + static GType type = 0; + if (!type) { + GTypeInfo info = { + sizeof (GalA11yECellVboxClass), + (GBaseInitFunc) NULL, + (GBaseFinalizeFunc) NULL, + (GClassInitFunc) ecv_class_init, + (GClassFinalizeFunc) NULL, + NULL, /* class_data */ + sizeof (GalA11yECellVbox), + 0, + (GInstanceInitFunc) ecv_init, + NULL /* value_cell */ + }; + + static const GInterfaceInfo atk_component_info = { + (GInterfaceInitFunc) ecv_atk_component_iface_init, + (GInterfaceFinalizeFunc) NULL, + NULL + }; + + type = g_type_register_static (PARENT_TYPE, "GalA11yECellVbox", &info, 0); + gal_a11y_e_cell_type_add_action_interface (type); + g_type_add_interface_static (type, ATK_TYPE_COMPONENT, &atk_component_info); + } + + return type; +} + +AtkObject *gal_a11y_e_cell_vbox_new (ETableItem *item, + ECellView *cell_view, + AtkObject *parent, + int model_col, + int view_col, + int row) +{ + AtkObject *a11y; + GalA11yECell *gaec; + GalA11yECellVbox *gaev; + ECellVboxView *ecvv; + + a11y = g_object_new (gal_a11y_e_cell_vbox_get_type (), NULL); + + gal_a11y_e_cell_construct (a11y, item, cell_view, parent, model_col, view_col, row); + + gaec = GAL_A11Y_E_CELL (a11y); + gaev = GAL_A11Y_E_CELL_VBOX (a11y); + ecvv = (ECellVboxView *) (gaec->cell_view); + gaev->a11y_subcell_count = ecvv->subcell_view_count; + gaev->a11y_subcells = g_malloc0 (sizeof(AtkObject *)*gaev->a11y_subcell_count); + return a11y; +} diff --git a/widgets/table/a11y/gal-a11y-e-cell-vbox.h b/widgets/table/a11y/gal-a11y-e-cell-vbox.h new file mode 100644 index 0000000000..2055ac3195 --- /dev/null +++ b/widgets/table/a11y/gal-a11y-e-cell-vbox.h @@ -0,0 +1,67 @@ +/* + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + * + * Authors: + * Eric Zhao <eric.zhao@sun.com> + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * Copyright (C) 2004 Sun Microsystem, Inc. + * + */ + +#ifndef __GAL_A11Y_E_CELL_VBOX_H__ +#define __GAL_A11Y_E_CELL_VBOX_H__ + +#include "gal-a11y-e-cell.h" + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +#define GAL_A11Y_TYPE_E_CELL_VBOX (gal_a11y_e_cell_vbox_get_type ()) +#define GAL_A11Y_E_CELL_VBOX(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GAL_A11Y_TYPE_E_CELL_VBOX, GalA11yECellVbox)) +#define GAL_A11Y_E_CELL_VBOX_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GAL_A11Y_E_CELL_VBOX, GalA11yECellVboxClass)) +#define GAL_A11Y_IS_E_CELL_VBOX(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GAL_A11Y_TYPE_E_CELL_VBOX)) +#define GAL_A11Y_IS_E_CELL_VBOX_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GAL_A11Y_TYPE_E_CELL_VBOX)) +#define GAL_A11Y_E_CELL_VBOX_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GAL_A11Y_TYPE_E_CELL_VBOX, GalA11yECellVboxClass)) + +typedef struct _GalA11yECellVbox GalA11yECellVbox; +typedef struct _GalA11yECellVboxClass GalA11yECellVboxClass; + +struct _GalA11yECellVbox +{ + GalA11yECell object; + int a11y_subcell_count; + gpointer *a11y_subcells; +}; + +struct _GalA11yECellVboxClass +{ + GalA11yECellClass parent_class; +}; + +GType gal_a11y_e_cell_vbox_get_type (void); +AtkObject *gal_a11y_e_cell_vbox_new (ETableItem *item, + ECellView *cell_view, + AtkObject *parent, + int model_col, + int view_col, + int row); + +#ifdef __cplusplus +} +#endif /* __cplusplus */ +#endif /* __GAL_A11Y_E_CELL_VBOX_H__ */ diff --git a/widgets/table/a11y/gal-a11y-e-cell.c b/widgets/table/a11y/gal-a11y-e-cell.c new file mode 100644 index 0000000000..3b74675ae5 --- /dev/null +++ b/widgets/table/a11y/gal-a11y-e-cell.c @@ -0,0 +1,644 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + * + * Authors: + * Christopher James Lahey <clahey@ximian.com> + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + +#include <config.h> + +#include <string.h> + +#include <gtk/gtk.h> + +#include "a11y/gal-a11y-util.h" +#include "table/e-table.h" +#include "table/e-tree.h" +#include <glib/gi18n.h> + +#include "gal-a11y-e-cell.h" +#include "gal-a11y-e-cell-vbox.h" +#include "gal-a11y-e-table-item.h" + +#define CS_CLASS(a11y) (G_TYPE_INSTANCE_GET_CLASS ((a11y), C_TYPE_STREAM, GalA11yECellClass)) +static GObjectClass *parent_class; +#define PARENT_TYPE (atk_object_get_type ()) + + +#if 0 +static void +unref_item (gpointer user_data, GObject *obj_loc) +{ + GalA11yECell *a11y = GAL_A11Y_E_CELL (user_data); + a11y->item = NULL; + g_object_unref (a11y); +} + +static void +unref_cell (gpointer user_data, GObject *obj_loc) +{ + GalA11yECell *a11y = GAL_A11Y_E_CELL (user_data); + a11y->cell_view = NULL; + g_object_unref (a11y); +} +#endif + +static gboolean +is_valid (AtkObject *cell) +{ + GalA11yECell *a11y = GAL_A11Y_E_CELL (cell); + GalA11yETableItem *a11yItem = GAL_A11Y_E_TABLE_ITEM (a11y->parent); + AtkStateSet *item_ss; + gboolean ret = TRUE; + + item_ss = atk_object_ref_state_set (ATK_OBJECT (a11yItem)); + if (atk_state_set_contains_state (item_ss, ATK_STATE_DEFUNCT)) + ret = FALSE; + + g_object_unref (item_ss); + + if (ret && atk_state_set_contains_state (a11y->state_set, ATK_STATE_DEFUNCT)) + ret = FALSE; + + return ret; +} + +static void +gal_a11y_e_cell_dispose (GObject *object) +{ + GalA11yECell *a11y = GAL_A11Y_E_CELL (object); + +#if 0 + if (a11y->item) + g_object_unref (G_OBJECT (a11y->item)); /*, unref_item, a11y); */ + if (a11y->cell_view) + g_object_unref (G_OBJECT (a11y->cell_view)); /*, unref_cell, a11y); */ + if (a11y->parent) + g_object_unref (a11y->parent); +#endif + + if (a11y->state_set) { + g_object_unref (a11y->state_set); + a11y->state_set = NULL; + } + + if (parent_class->dispose) + parent_class->dispose (object); + +} + +/* Static functions */ +static G_CONST_RETURN gchar* +gal_a11y_e_cell_get_name (AtkObject * a11y) +{ + GalA11yECell *cell = GAL_A11Y_E_CELL (a11y); + ETableCol *ecol; + + if (a11y->name != NULL && strcmp (a11y->name, "")) + return a11y->name; + + if (cell->item != NULL) { + ecol = e_table_header_get_column (cell->item->header, cell->view_col); + if (ecol != NULL) + return ecol->text; + } + + return _("Table Cell"); +} + +static AtkStateSet * +gal_a11y_e_cell_ref_state_set (AtkObject *accessible) +{ + GalA11yECell *cell = GAL_A11Y_E_CELL (accessible); + + g_return_val_if_fail (cell->state_set, NULL); + + g_object_ref(cell->state_set); + + return cell->state_set; +} + +static AtkObject* +gal_a11y_e_cell_get_parent (AtkObject *accessible) +{ + GalA11yECell *a11y = GAL_A11Y_E_CELL (accessible); + return a11y->parent; +} + +static gint +gal_a11y_e_cell_get_index_in_parent (AtkObject *accessible) +{ + GalA11yECell *a11y = GAL_A11Y_E_CELL (accessible); + + if (!is_valid (accessible)) + return -1; + + return (a11y->row + 1) * a11y->item->cols + a11y->view_col; +} + + +/* Component IFace */ +static void +gal_a11y_e_cell_get_extents (AtkComponent *component, + gint *x, + gint *y, + gint *width, + gint *height, + AtkCoordType coord_type) +{ + GalA11yECell *a11y = GAL_A11Y_E_CELL (component); + GtkWidget *tableOrTree; + int row; + int col; + int xval; + int yval; + + row = a11y->row; + col = a11y->view_col; + + tableOrTree = gtk_widget_get_parent (GTK_WIDGET (a11y->item->parent.canvas)); + if (E_IS_TREE (tableOrTree)) { + e_tree_get_cell_geometry (E_TREE (tableOrTree), + row, col, &xval, &yval, + width, height); + } else { + e_table_get_cell_geometry (E_TABLE (tableOrTree), + row, col, &xval, &yval, + width, height); + } + + atk_component_get_position (ATK_COMPONENT (a11y->parent), + x, y, coord_type); + if (x && *x != G_MININT) + *x += xval; + if (y && *y != G_MININT) + *y += yval; +} + +static gboolean +gal_a11y_e_cell_grab_focus (AtkComponent *component) +{ + GalA11yECell *a11y; + gint index; + GtkWidget *toplevel; + GalA11yETableItem *a11yTableItem; + + a11y = GAL_A11Y_E_CELL (component); + + /* for e_cell_vbox's children, we just grab the e_cell_vbox */ + if (GAL_A11Y_IS_E_CELL_VBOX (a11y->parent)) { + return atk_component_grab_focus (ATK_COMPONENT (a11y->parent)); + } + + a11yTableItem = GAL_A11Y_E_TABLE_ITEM (a11y->parent); + index = atk_object_get_index_in_parent (ATK_OBJECT (a11y)); + + atk_selection_clear_selection (ATK_SELECTION (a11yTableItem)); + atk_selection_add_selection (ATK_SELECTION (a11yTableItem), index); + + gtk_widget_grab_focus (GTK_WIDGET (GNOME_CANVAS_ITEM (a11y->item)->canvas)); + toplevel = gtk_widget_get_toplevel (GTK_WIDGET (GNOME_CANVAS_ITEM (a11y->item)->canvas)); + if (toplevel && GTK_WIDGET_TOPLEVEL (toplevel)) + gtk_window_present (GTK_WINDOW (toplevel)); + + return TRUE; +} + +/* Table IFace */ + +static void +gal_a11y_e_cell_atk_component_iface_init (AtkComponentIface *iface) +{ + iface->get_extents = gal_a11y_e_cell_get_extents; + iface->grab_focus = gal_a11y_e_cell_grab_focus; +} + +static void +gal_a11y_e_cell_class_init (GalA11yECellClass *klass) +{ + AtkObjectClass *atk_object_class = ATK_OBJECT_CLASS (klass); + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + parent_class = g_type_class_ref (PARENT_TYPE); + + object_class->dispose = gal_a11y_e_cell_dispose; + + atk_object_class->get_parent = gal_a11y_e_cell_get_parent; + atk_object_class->get_index_in_parent = gal_a11y_e_cell_get_index_in_parent; + atk_object_class->ref_state_set = gal_a11y_e_cell_ref_state_set; + atk_object_class->get_name = gal_a11y_e_cell_get_name; +} + +static void +gal_a11y_e_cell_init (GalA11yECell *a11y) +{ + a11y->item = NULL; + a11y->cell_view = NULL; + a11y->parent = NULL; + a11y->model_col = -1; + a11y->view_col = -1; + a11y->row = -1; + + a11y->state_set = atk_state_set_new (); + atk_state_set_add_state (a11y->state_set, ATK_STATE_TRANSIENT); + atk_state_set_add_state (a11y->state_set, ATK_STATE_ENABLED); + atk_state_set_add_state (a11y->state_set, ATK_STATE_SENSITIVE); + atk_state_set_add_state (a11y->state_set, ATK_STATE_SELECTABLE); + atk_state_set_add_state (a11y->state_set, ATK_STATE_SHOWING); + atk_state_set_add_state (a11y->state_set, ATK_STATE_FOCUSABLE); + atk_state_set_add_state (a11y->state_set, ATK_STATE_VISIBLE); +} + + +static ActionInfo * +_gal_a11y_e_cell_get_action_info (GalA11yECell *cell, + gint index) +{ + GList *list_node; + + g_return_val_if_fail (GAL_A11Y_IS_E_CELL (cell), NULL); + if (cell->action_list == NULL) + return NULL; + list_node = g_list_nth (cell->action_list, index); + if (!list_node) + return NULL; + return (ActionInfo *) (list_node->data); +} + +static void +_gal_a11y_e_cell_destroy_action_info (gpointer action_info, + gpointer user_data) +{ + ActionInfo *info = (ActionInfo *)action_info; + + g_return_if_fail (info != NULL); + g_free (info->name); + g_free (info->description); + g_free (info->keybinding); + g_free (info); +} + + +gboolean +gal_a11y_e_cell_add_action ( GalA11yECell * cell, + const gchar *action_name, + const gchar *action_description, + const gchar *action_keybinding, + ACTION_FUNC action_func) +{ + ActionInfo *info; + g_return_val_if_fail (GAL_A11Y_IS_E_CELL (cell), FALSE); + info = g_new (ActionInfo, 1); + + if (action_name != NULL) + info->name = g_strdup (action_name); + else + info->name = NULL; + + if (action_description != NULL) + info->description = g_strdup (action_description); + else + info->description = NULL; + if (action_keybinding != NULL) + info->keybinding = g_strdup (action_keybinding); + else + info->keybinding = NULL; + info->do_action_func = action_func; + + cell->action_list = g_list_append (cell->action_list, (gpointer) info); + return TRUE; +} + +gboolean +gal_a11y_e_cell_remove_action (GalA11yECell *cell, + gint action_index) +{ + GList *list_node; + + g_return_val_if_fail (GAL_A11Y_IS_E_CELL (cell), FALSE); + list_node = g_list_nth (cell->action_list, action_index); + if (!list_node) + return FALSE; + g_return_val_if_fail (list_node->data != NULL, FALSE); + _gal_a11y_e_cell_destroy_action_info (list_node->data, NULL); + cell->action_list = g_list_remove_link (cell->action_list, list_node); + + return TRUE; +} + +gboolean +gal_a11y_e_cell_remove_action_by_name (GalA11yECell *cell, + const gchar *action_name) +{ + GList *list_node; + gboolean action_found= FALSE; + + g_return_val_if_fail (GAL_A11Y_IS_E_CELL (cell), FALSE); + for (list_node = cell->action_list; list_node && !action_found; + list_node = list_node->next) { + if (!g_ascii_strcasecmp (((ActionInfo *)(list_node->data))->name, action_name)) { + action_found = TRUE; + break; + } + } + + g_return_val_if_fail (action_found, FALSE); + _gal_a11y_e_cell_destroy_action_info (list_node->data, NULL); + cell->action_list = g_list_remove_link (cell->action_list, list_node); + + return TRUE; +} + +static gint +gal_a11y_e_cell_action_get_n_actions (AtkAction *action) +{ + GalA11yECell *cell = GAL_A11Y_E_CELL(action); + if (cell->action_list != NULL) + return g_list_length (cell->action_list); + else + return 0; +} + +static G_CONST_RETURN gchar * +gal_a11y_e_cell_action_get_name (AtkAction *action, + gint index) +{ + GalA11yECell *cell = GAL_A11Y_E_CELL(action); + ActionInfo *info = _gal_a11y_e_cell_get_action_info (cell, index); + + if (info == NULL) + return NULL; + return info->name; +} + +static G_CONST_RETURN gchar * +gal_a11y_e_cell_action_get_description (AtkAction *action, + gint index) +{ + GalA11yECell *cell = GAL_A11Y_E_CELL(action); + ActionInfo *info = _gal_a11y_e_cell_get_action_info (cell, index); + + if (info == NULL) + return NULL; + return info->description; +} + +static gboolean +gal_a11y_e_cell_action_set_description (AtkAction *action, + gint index, + const gchar *desc) +{ + GalA11yECell *cell = GAL_A11Y_E_CELL(action); + ActionInfo *info = _gal_a11y_e_cell_get_action_info (cell, index); + + if (info == NULL) + return FALSE; + g_free (info->description); + info->description = g_strdup (desc); + return TRUE; +} + +static G_CONST_RETURN gchar * +gal_a11y_e_cell_action_get_keybinding (AtkAction *action, + gint index) +{ + GalA11yECell *cell = GAL_A11Y_E_CELL(action); + ActionInfo *info = _gal_a11y_e_cell_get_action_info (cell, index); + if (info == NULL) + return NULL; + + return info->keybinding; +} + +static gboolean +idle_do_action (gpointer data) +{ + GalA11yECell *cell; + + cell = GAL_A11Y_E_CELL (data); + + if (!is_valid (ATK_OBJECT (cell))) + return FALSE; + + cell->action_idle_handler = 0; + cell->action_func (cell); + g_object_unref (cell); + + return FALSE; +} + +static gboolean +gal_a11y_e_cell_action_do_action (AtkAction *action, + gint index) +{ + GalA11yECell *cell = GAL_A11Y_E_CELL(action); + ActionInfo *info = _gal_a11y_e_cell_get_action_info (cell, index); + + if (!is_valid (ATK_OBJECT (action))) + return FALSE; + + if (info == NULL) + return FALSE; + g_return_val_if_fail (info->do_action_func, FALSE); + if (cell->action_idle_handler) + return FALSE; + cell->action_func = info->do_action_func; + g_object_ref (cell); + cell->action_idle_handler = g_idle_add (idle_do_action, cell); + + return TRUE; +} + +static void +gal_a11y_e_cell_atk_action_interface_init (AtkActionIface *iface) +{ + g_return_if_fail (iface != NULL); + + iface->get_n_actions = gal_a11y_e_cell_action_get_n_actions; + iface->do_action = gal_a11y_e_cell_action_do_action; + iface->get_name = gal_a11y_e_cell_action_get_name; + iface->get_description = gal_a11y_e_cell_action_get_description; + iface->set_description = gal_a11y_e_cell_action_set_description; + iface->get_keybinding = gal_a11y_e_cell_action_get_keybinding; +} + +void +gal_a11y_e_cell_type_add_action_interface (GType type) +{ + static const GInterfaceInfo atk_action_info = + { + (GInterfaceInitFunc) gal_a11y_e_cell_atk_action_interface_init, + (GInterfaceFinalizeFunc) NULL, + NULL + }; + + g_type_add_interface_static (type, ATK_TYPE_ACTION, + &atk_action_info); +} + +gboolean +gal_a11y_e_cell_add_state (GalA11yECell *cell, + AtkStateType state_type, + gboolean emit_signal) +{ + if (!atk_state_set_contains_state (cell->state_set, state_type)) { + gboolean rc; + + rc = atk_state_set_add_state (cell->state_set, state_type); + /* + * The signal should only be generated if the value changed, + * not when the cell is set up. So states that are set + * initially should pass FALSE as the emit_signal argument. + */ + + if (emit_signal) { + atk_object_notify_state_change (ATK_OBJECT (cell), state_type, TRUE); + /* If state_type is ATK_STATE_VISIBLE, additional + notification */ + if (state_type == ATK_STATE_VISIBLE) + g_signal_emit_by_name (cell, "visible_data_changed"); + } + + return rc; + } + else + return FALSE; +} + +gboolean +gal_a11y_e_cell_remove_state (GalA11yECell *cell, + AtkStateType state_type, + gboolean emit_signal) +{ + if (atk_state_set_contains_state (cell->state_set, state_type)) { + gboolean rc; + + rc = atk_state_set_remove_state (cell->state_set, state_type); + /* + * The signal should only be generated if the value changed, + * not when the cell is set up. So states that are set + * initially should pass FALSE as the emit_signal argument. + */ + + if (emit_signal) { + atk_object_notify_state_change (ATK_OBJECT (cell), state_type, FALSE); + /* If state_type is ATK_STATE_VISIBLE, additional notification */ + if (state_type == ATK_STATE_VISIBLE) + g_signal_emit_by_name (cell, "visible_data_changed"); + } + + return rc; + } + else + return FALSE; +} + +/** + * gal_a11y_e_cell_get_type: + * @void: + * + * Registers the &GalA11yECell class if necessary, and returns the type ID + * associated to it. + * + * Return value: The type ID of the &GalA11yECell class. + **/ +GType +gal_a11y_e_cell_get_type (void) +{ + static GType type = 0; + + if (!type) { + GTypeInfo info = { + sizeof (GalA11yECellClass), + (GBaseInitFunc) NULL, + (GBaseFinalizeFunc) NULL, + (GClassInitFunc) gal_a11y_e_cell_class_init, + (GClassFinalizeFunc) NULL, + NULL, /* class_data */ + sizeof (GalA11yECell), + 0, + (GInstanceInitFunc) gal_a11y_e_cell_init, + NULL /* value_cell */ + }; + + static const GInterfaceInfo atk_component_info = { + (GInterfaceInitFunc) gal_a11y_e_cell_atk_component_iface_init, + (GInterfaceFinalizeFunc) NULL, + NULL + }; + + type = g_type_register_static (PARENT_TYPE, "GalA11yECell", &info, 0); + g_type_add_interface_static (type, ATK_TYPE_COMPONENT, &atk_component_info); + } + + return type; +} + +AtkObject * +gal_a11y_e_cell_new (ETableItem *item, + ECellView *cell_view, + AtkObject *parent, + int model_col, + int view_col, + int row) +{ + AtkObject *a11y; + + a11y = g_object_new (gal_a11y_e_cell_get_type (), NULL); + + gal_a11y_e_cell_construct (a11y, + item, + cell_view, + parent, + model_col, + view_col, + row); + return a11y; +} + +void +gal_a11y_e_cell_construct (AtkObject *object, + ETableItem *item, + ECellView *cell_view, + AtkObject *parent, + int model_col, + int view_col, + int row) +{ + GalA11yECell *a11y = GAL_A11Y_E_CELL (object); + a11y->item = item; + a11y->cell_view = cell_view; + a11y->parent = parent; + a11y->model_col = model_col; + a11y->view_col = view_col; + a11y->row = row; + ATK_OBJECT (a11y) ->role = ATK_ROLE_TABLE_CELL; + + if (item) + g_object_ref (G_OBJECT (item)); + +#if 0 + if (parent) + g_object_ref (parent); + + if (cell_view) + g_object_ref (G_OBJECT (cell_view)); + + +#endif +} diff --git a/widgets/table/a11y/gal-a11y-e-cell.h b/widgets/table/a11y/gal-a11y-e-cell.h new file mode 100644 index 0000000000..af96c69d47 --- /dev/null +++ b/widgets/table/a11y/gal-a11y-e-cell.h @@ -0,0 +1,113 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + * + * Authors: + * Christopher James Lahey <clahey@ximian.com> + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + +#ifndef __GAL_A11Y_E_CELL_H__ +#define __GAL_A11Y_E_CELL_H__ + +#include <glib-object.h> +#include <table/e-table-item.h> +#include <table/e-cell.h> + +#define GAL_A11Y_TYPE_E_CELL (gal_a11y_e_cell_get_type ()) +#define GAL_A11Y_E_CELL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GAL_A11Y_TYPE_E_CELL, GalA11yECell)) +#define GAL_A11Y_E_CELL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GAL_A11Y_TYPE_E_CELL, GalA11yECellClass)) +#define GAL_A11Y_IS_E_CELL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GAL_A11Y_TYPE_E_CELL)) +#define GAL_A11Y_IS_E_CELL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GAL_A11Y_TYPE_E_CELL)) + +typedef struct _GalA11yECell GalA11yECell; +typedef struct _GalA11yECellClass GalA11yECellClass; +typedef struct _GalA11yECellPrivate GalA11yECellPrivate; +typedef struct _ActionInfo ActionInfo; +typedef void (*ACTION_FUNC) (GalA11yECell *cell); + + +/* This struct should actually be larger as this isn't what we derive from. + * The GalA11yECellPrivate comes right after the parent class structure. + **/ +struct _GalA11yECell { + AtkObject object; + + ETableItem *item; + ECellView *cell_view; + AtkObject *parent; + int model_col; + int view_col; + int row; + AtkStateSet *state_set; + GList *action_list; + gint action_idle_handler; + ACTION_FUNC action_func; +}; + +struct _GalA11yECellClass { + AtkObjectClass parent_class; +}; + +struct _ActionInfo { + gchar *name; + gchar *description; + gchar *keybinding; + ACTION_FUNC do_action_func; +}; + + + +/* Standard Glib function */ +GType gal_a11y_e_cell_get_type (void); +AtkObject *gal_a11y_e_cell_new (ETableItem *item, + ECellView *cell_view, + AtkObject *parent, + int model_col, + int view_col, + int row); +void gal_a11y_e_cell_construct (AtkObject *object, + ETableItem *item, + ECellView *cell_view, + AtkObject *parent, + int model_col, + int view_col, + int row); + +void gal_a11y_e_cell_type_add_action_interface (GType type); + +gboolean gal_a11y_e_cell_add_action (GalA11yECell *cell, + const gchar *action_name, + const gchar *action_description, + const gchar *action_keybinding, + ACTION_FUNC action_func); + +gboolean gal_a11y_e_cell_remove_action (GalA11yECell *cell, + gint action_id); + +gboolean gal_a11y_e_cell_remove_action_by_name (GalA11yECell *cell, + const gchar *action_name); + +gboolean gal_a11y_e_cell_add_state (GalA11yECell *cell, + AtkStateType state_type, + gboolean emit_signal); + +gboolean gal_a11y_e_cell_remove_state (GalA11yECell *cell, + AtkStateType state_type, + gboolean emit_signal); + + +#endif /* ! __GAL_A11Y_E_CELL_H__ */ diff --git a/widgets/table/a11y/gal-a11y-e-table-click-to-add-factory.c b/widgets/table/a11y/gal-a11y-e-table-click-to-add-factory.c new file mode 100644 index 0000000000..0ebb3c4621 --- /dev/null +++ b/widgets/table/a11y/gal-a11y-e-table-click-to-add-factory.c @@ -0,0 +1,106 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + * + * Authors: + * Yuedong Du <yuedong.du@sun.com> + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + +#include <config.h> + +#include <atk/atk.h> + +#include "table/e-table.h" +#include "table/e-table-click-to-add.h" + +#include "gal-a11y-e-table.h" +#include "gal-a11y-e-table-click-to-add.h" +#include "gal-a11y-e-table-click-to-add-factory.h" + +#define CS_CLASS(factory) (G_TYPE_INSTANCE_GET_CLASS ((factory), C_TYPE_STREAM, GalA11yETableClickToAddFactoryClass)) +static AtkObjectFactoryClass *parent_class; +#define PARENT_TYPE (ATK_TYPE_OBJECT_FACTORY) + +/* Static functions */ + +static GType +gal_a11y_e_table_click_to_add_factory_get_accessible_type (void) +{ + return GAL_A11Y_TYPE_E_TABLE_CLICK_TO_ADD; +} + +static AtkObject* +gal_a11y_e_table_click_to_add_factory_create_accessible (GObject *obj) +{ + AtkObject * atk_object; + + g_return_val_if_fail (E_IS_TABLE_CLICK_TO_ADD(obj), NULL); + + atk_object = gal_a11y_e_table_click_to_add_new (obj); + + return atk_object; +} + +static void +gal_a11y_e_table_click_to_add_factory_class_init (GalA11yETableClickToAddFactoryClass *klass) +{ + AtkObjectFactoryClass *factory_class = ATK_OBJECT_FACTORY_CLASS (klass); + + parent_class = g_type_class_ref (PARENT_TYPE); + + factory_class->create_accessible = gal_a11y_e_table_click_to_add_factory_create_accessible; + factory_class->get_accessible_type = gal_a11y_e_table_click_to_add_factory_get_accessible_type; +} + +static void +gal_a11y_e_table_click_to_add_factory_init (GalA11yETableClickToAddFactory *factory) +{ +} + +/** + * gal_a11y_e_table_factory_get_type: + * @void: + * + * Registers the &GalA11yETableFactory class if necessary, and returns the type ID + * associated to it. + * + * Return value: The type ID of the &GalA11yETableFactory class. + **/ +GType +gal_a11y_e_table_click_to_add_factory_get_type (void) +{ + static GType type = 0; + + if (!type) { + GTypeInfo info = { + sizeof (GalA11yETableClickToAddFactoryClass), + (GBaseInitFunc) NULL, + (GBaseFinalizeFunc) NULL, + (GClassInitFunc) gal_a11y_e_table_click_to_add_factory_class_init, + (GClassFinalizeFunc) NULL, + NULL, /* class_data */ + sizeof (GalA11yETableClickToAddFactory), + 0, + (GInstanceInitFunc) gal_a11y_e_table_click_to_add_factory_init, + NULL /* value_table */ + }; + + type = g_type_register_static (PARENT_TYPE, "GalA11yETableClickToAddFactory", &info, 0); + } + + return type; +} diff --git a/widgets/table/a11y/gal-a11y-e-table-click-to-add-factory.h b/widgets/table/a11y/gal-a11y-e-table-click-to-add-factory.h new file mode 100644 index 0000000000..9f249f0178 --- /dev/null +++ b/widgets/table/a11y/gal-a11y-e-table-click-to-add-factory.h @@ -0,0 +1,50 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + * + * Authors: + * Yuedong Du <yuedong.du@sun.com> + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + +#ifndef __GAL_A11Y_E_TABLE_CLICK_TO_ADD_FACTORY_H__ +#define __GAL_A11Y_E_TABLE_CLICK_TO_ADD_FACTORY_H__ + +#include <glib-object.h> +#include <atk/atkobjectfactory.h> + +#define GAL_A11Y_TYPE_E_TABLE_CLICK_TO_ADD_FACTORY (gal_a11y_e_table_item_factory_get_type ()) +#define GAL_A11Y_E_TABLE_CLICK_TO_ADD_FACTORY(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GAL_A11Y_TYPE_E_TABLE_CLICK_TO_ADD_FACTORY, GalA11yETableClickToAddFactory)) +#define GAL_A11Y_E_TABLE_CLICK_TO_ADD_FACTORY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GAL_A11Y_TYPE_E_TABLE_CLICK_TO_ADD_FACTORY, GalA11yETableClickToAddFactoryClass)) +#define GAL_A11Y_IS_E_TABLE_CLICK_TO_ADD_FACTORY(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GAL_A11Y_TYPE_E_TABLE_CLICK_TO_ADD_FACTORY)) +#define GAL_A11Y_IS_E_TABLE_CLICK_TO_ADD_FACTORY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GAL_A11Y_TYPE_E_TABLE_CLICK_TO_ADD_FACTORY)) + +typedef struct _GalA11yETableClickToAddFactory GalA11yETableClickToAddFactory; +typedef struct _GalA11yETableClickToAddFactoryClass GalA11yETableClickToAddFactoryClass; + +struct _GalA11yETableClickToAddFactory { + AtkObject object; +}; + +struct _GalA11yETableClickToAddFactoryClass { + AtkObjectClass parent_class; +}; + + +/* Standard Glib function */ +GType gal_a11y_e_table_click_to_add_factory_get_type (void); + +#endif diff --git a/widgets/table/a11y/gal-a11y-e-table-click-to-add.c b/widgets/table/a11y/gal-a11y-e-table-click-to-add.c new file mode 100644 index 0000000000..ed417e1601 --- /dev/null +++ b/widgets/table/a11y/gal-a11y-e-table-click-to-add.c @@ -0,0 +1,344 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + * + * Authors: + * Yuedong Du <yuedong.du@sun.com> + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + +#include <config.h> + +#include <atk/atk.h> + +#include "a11y/gal-a11y-util.h" +#include "table/e-table-click-to-add.h" +#include "table/e-table-group.h" +#include "table/e-table-group-leaf.h" +#include <glib/gi18n.h> + +#include "gal-a11y-e-table-click-to-add.h" +#include "gal-a11y-e-table-click-to-add-factory.h" + +static AtkObjectClass *parent_class; +static GType parent_type; +static gint priv_offset; +#define GET_PRIVATE(object) ((GalA11yETableClickToAddPrivate *) (((char *) object) + priv_offset)) +#define PARENT_TYPE (parent_type) + +struct _GalA11yETableClickToAddPrivate { + gpointer rect; + gpointer row; +}; + + +static gint +etcta_get_n_actions (AtkAction *action) +{ + return 1; +} + +static G_CONST_RETURN gchar* +etcta_get_description (AtkAction *action, + gint i) +{ + if (i == 0) + return _("click to add"); + + return NULL; +} + +static G_CONST_RETURN gchar* +etcta_action_get_name (AtkAction *action, gint i) +{ + if (i == 0) + return _("click"); + + return NULL; +} + + +static gboolean +idle_do_action (gpointer data) +{ + GdkEventButton event; + ETableClickToAdd * etcta; + gint finished; + + g_return_val_if_fail ( data!= NULL, FALSE); + + etcta = E_TABLE_CLICK_TO_ADD (atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (data))); + g_return_val_if_fail (etcta, FALSE); + + event.x = 0; + event.y = 0; + + event.type = GDK_BUTTON_PRESS; + event.window = GTK_LAYOUT(GNOME_CANVAS_ITEM(etcta)->canvas)->bin_window; + event.button = 1; + event.send_event = TRUE; + event.time = GDK_CURRENT_TIME; + event.axes = NULL; + + g_signal_emit_by_name (etcta, "event", &event, &finished); + + return FALSE; +} + +static gboolean +etcta_do_action (AtkAction * action, gint i) +{ + g_return_val_if_fail (i == 0, FALSE); + + g_idle_add (idle_do_action, action); + + return TRUE; +} + +static void +atk_action_interface_init (AtkActionIface *iface) +{ + g_return_if_fail (iface != NULL); + + iface->do_action = etcta_do_action; + iface->get_n_actions = etcta_get_n_actions; + iface->get_description = etcta_get_description; + iface->get_name = etcta_action_get_name; +} + + +static G_CONST_RETURN gchar * +etcta_get_name (AtkObject *obj) +{ + ETableClickToAdd * etcta; + + g_return_val_if_fail (GAL_A11Y_IS_E_TABLE_CLICK_TO_ADD (obj), NULL); + + etcta = E_TABLE_CLICK_TO_ADD (atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE(obj))); + if (etcta && etcta->message != NULL) + return etcta->message; + + return _("click to add"); +} + +static gint +etcta_get_n_children (AtkObject *accessible) +{ + return 1; +} + +static AtkObject* +etcta_ref_child (AtkObject *accessible, + gint i) +{ + AtkObject * atk_obj = NULL; + ETableClickToAdd * etcta; + + if ( i != 0 ) + return NULL; + + etcta = E_TABLE_CLICK_TO_ADD(atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (accessible))); + + g_return_val_if_fail (etcta, NULL); + + if (etcta->rect) { + atk_obj = atk_gobject_accessible_for_object (G_OBJECT(etcta->rect)); + } else if (etcta->row) { + atk_obj = atk_gobject_accessible_for_object (G_OBJECT(etcta->row)); + } + + g_object_ref (atk_obj); + + return atk_obj; +} + +static AtkStateSet * +etcta_ref_state_set (AtkObject *accessible) +{ + AtkStateSet * state_set = NULL; + + state_set = ATK_OBJECT_CLASS (parent_class)->ref_state_set (accessible); + if (state_set != NULL) { + atk_state_set_add_state (state_set, ATK_STATE_SENSITIVE); + atk_state_set_add_state (state_set, ATK_STATE_SHOWING); + } + + return state_set; +} + +static void +etcta_class_init (GalA11yETableClickToAddClass *klass) +{ + AtkObjectClass *atk_object_class = ATK_OBJECT_CLASS (klass); + + parent_class = g_type_class_ref (PARENT_TYPE); + + atk_object_class->get_name = etcta_get_name; + atk_object_class->get_n_children = etcta_get_n_children; + atk_object_class->ref_child = etcta_ref_child; + atk_object_class->ref_state_set = etcta_ref_state_set; +} + +static void +etcta_init (GalA11yETableClickToAdd *a11y) +{ +} + +/** + * gal_a11y_e_table_click_to_add_get_type: + * @void: + * + * Registers the &GalA11yETableClickToAdd class if necessary, and returns the type ID + * associated to it. + * + * Return value: The type ID of the &GalA11yETableClickToAdd class. + **/ +GType +gal_a11y_e_table_click_to_add_get_type (void) +{ + static GType type = 0; + + if (!type) { + AtkObjectFactory *factory; + + GTypeInfo info = { + sizeof (GalA11yETableClickToAddClass), + (GBaseInitFunc) NULL, + (GBaseFinalizeFunc) NULL, + (GClassInitFunc) etcta_class_init, + (GClassFinalizeFunc) NULL, + NULL, /* class_data */ + sizeof (GalA11yETableClickToAdd), + 0, + (GInstanceInitFunc) etcta_init, + NULL /* value_table */ + }; + + static const GInterfaceInfo atk_action_info = { + (GInterfaceInitFunc) atk_action_interface_init, + (GInterfaceFinalizeFunc) NULL, + NULL + }; + + factory = atk_registry_get_factory (atk_get_default_registry (), GNOME_TYPE_CANVAS_ITEM); + + parent_type = atk_object_factory_get_accessible_type (factory); + type = gal_a11y_type_register_static_with_private (PARENT_TYPE, + "GalA11yETableClickToAdd", &info, 0, + sizeof(GalA11yETableClickToAddPrivate), &priv_offset); + + g_type_add_interface_static (type, ATK_TYPE_ACTION, &atk_action_info); + + } + + return type; +} + +static gboolean +etcta_event (GnomeCanvasItem *item, GdkEvent *e, gpointer data) +{ + ETableClickToAdd *etcta = E_TABLE_CLICK_TO_ADD (item); + GalA11yETableClickToAdd *a11y; + GalA11yETableClickToAddPrivate *priv; + + g_return_val_if_fail (item, TRUE); + + g_return_val_if_fail (GAL_A11Y_IS_E_TABLE_CLICK_TO_ADD(data), FALSE); + a11y = GAL_A11Y_E_TABLE_CLICK_TO_ADD (data); + + priv = GET_PRIVATE (a11y); + + /* rect replaced by row. */ + if (etcta->rect == NULL && priv->rect != NULL) { + g_signal_emit_by_name (a11y, "children_changed::remove", 0, NULL, NULL); + + } + /* row inserted, and/or replaced by a new row. */ + if (etcta->row != NULL && priv->row == NULL) { + g_signal_emit_by_name (a11y, "children_changed::add", 0, NULL, NULL); + } else if (etcta->row != NULL && priv->row != NULL && etcta->row != priv->row) { + g_signal_emit_by_name (a11y, "children_changed::remove", 0, NULL, NULL); + g_signal_emit_by_name (a11y, "children_changed::add", 0, NULL, NULL); + } + + + priv->rect = etcta->rect; + priv->row = etcta->row; + + return FALSE; +} + +static void +etcta_selection_cursor_changed (ESelectionModel *esm, gint row, gint col, + GalA11yETableClickToAdd *a11y) +{ + ETableClickToAdd *etcta; + AtkObject *row_a11y; + + etcta = E_TABLE_CLICK_TO_ADD (atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE(a11y))); + + if (etcta == NULL || etcta->row == NULL) + return; + + row_a11y = atk_gobject_accessible_for_object (G_OBJECT(etcta->row)); + if (row_a11y) { + AtkObject *cell_a11y = g_object_get_data (G_OBJECT(row_a11y), "gail-focus-object"); + if (cell_a11y) { + atk_focus_tracker_notify (cell_a11y); + } + } +} + +AtkObject * +gal_a11y_e_table_click_to_add_new (GObject *widget) +{ + GalA11yETableClickToAdd *a11y; + ETableClickToAdd * etcta; + GalA11yETableClickToAddPrivate *priv; + + g_return_val_if_fail (widget != NULL, NULL); + + a11y = g_object_new (gal_a11y_e_table_click_to_add_get_type (), NULL); + priv = GET_PRIVATE (a11y); + + etcta = E_TABLE_CLICK_TO_ADD(widget); + + + atk_object_initialize (ATK_OBJECT (a11y), etcta); + + priv->rect = etcta->rect; + priv->row = etcta->row; + + + g_signal_connect_after (G_OBJECT(widget), "event", + G_CALLBACK (etcta_event), a11y); + + g_signal_connect (etcta->selection, "cursor_changed", + G_CALLBACK (etcta_selection_cursor_changed), a11y); + + return ATK_OBJECT (a11y); +} + +void +gal_a11y_e_table_click_to_add_init (void) +{ + if (atk_get_root ()) + atk_registry_set_factory_type (atk_get_default_registry (), + E_TABLE_CLICK_TO_ADD_TYPE, + gal_a11y_e_table_click_to_add_factory_get_type ()); + +} + diff --git a/widgets/table/a11y/gal-a11y-e-table-click-to-add.h b/widgets/table/a11y/gal-a11y-e-table-click-to-add.h new file mode 100644 index 0000000000..17d6940d08 --- /dev/null +++ b/widgets/table/a11y/gal-a11y-e-table-click-to-add.h @@ -0,0 +1,55 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + * + * Authors: + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + +#ifndef __GAL_A11Y_E_TABLE_CLICK_TO_ADD_H__ +#define __GAL_A11Y_E_TABLE_CLICK_TO_ADD_H__ + +#include <glib-object.h> +#include <table/e-table-item.h> +#include <atk/atkgobjectaccessible.h> + +#define GAL_A11Y_TYPE_E_TABLE_CLICK_TO_ADD (gal_a11y_e_table_click_to_add_get_type ()) +#define GAL_A11Y_E_TABLE_CLICK_TO_ADD(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GAL_A11Y_TYPE_E_TABLE_CLICK_TO_ADD, GalA11yETableClickToAdd)) +#define GAL_A11Y_E_TABLE_CLICK_TO_ADD_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GAL_A11Y_TYPE_E_TABLE_CLICK_TO_ADD, GalA11yETableClickToAddClass)) +#define GAL_A11Y_IS_E_TABLE_CLICK_TO_ADD(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GAL_A11Y_TYPE_E_TABLE_CLICK_TO_ADD)) +#define GAL_A11Y_IS_E_TABLE_CLICK_TO_ADD_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GAL_A11Y_TYPE_E_TABLE_CLICK_TO_ADD)) + +typedef struct _GalA11yETableClickToAdd GalA11yETableClickToAdd; +typedef struct _GalA11yETableClickToAddClass GalA11yETableClickToAddClass; +typedef struct _GalA11yETableClickToAddPrivate GalA11yETableClickToAddPrivate; + +/* This struct should actually be larger as this isn't what we derive from. + * The GalA11yETableClickToAddPrivate comes right after the parent class structure. + **/ +struct _GalA11yETableClickToAdd { + AtkGObjectAccessible parent; +}; + +struct _GalA11yETableClickToAddClass { + AtkGObjectAccessibleClass parent_class; +}; + +/* Standard Glib function */ +GType gal_a11y_e_table_click_to_add_get_type (void); +AtkObject *gal_a11y_e_table_click_to_add_new (GObject *widget); + +void gal_a11y_e_table_click_to_add_init (void); +#endif /* ! __GAL_A11Y_E_TABLE_CLICK_TO_ADD_H__ */ diff --git a/widgets/table/a11y/gal-a11y-e-table-column-header.c b/widgets/table/a11y/gal-a11y-e-table-column-header.c new file mode 100644 index 0000000000..4df75cc564 --- /dev/null +++ b/widgets/table/a11y/gal-a11y-e-table-column-header.c @@ -0,0 +1,229 @@ +/* + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + * + * Authors: + * Li Yuan <li.yuan@sun.com> + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + +#include <config.h> +#include <glib/gi18n.h> +#include <atk/atkobject.h> +#include <atk/atkregistry.h> +#include "table/e-table-header-item.h" +#include "a11y/gal-a11y-util.h" +#include "gal-a11y-e-table-column-header.h" + +static GObjectClass *parent_class; +static gint priv_offset; + +#define GET_PRIVATE(object) ((GalA11yETableColumnHeaderPrivate *) (((char *) object) + priv_offset)) +#define PARENT_TYPE (atk_gobject_accessible_get_type ()) + +struct _GalA11yETableColumnHeaderPrivate { + ETableItem *item; + AtkObject *parent; + AtkStateSet *state_set; +}; + +static void +etch_init (GalA11yETableColumnHeader *a11y) +{ + GET_PRIVATE (a11y)->item = NULL; + GET_PRIVATE (a11y)->parent = NULL; + GET_PRIVATE (a11y)->state_set = NULL; +} + +static AtkStateSet * +gal_a11y_e_table_column_header_ref_state_set (AtkObject *accessible) +{ + GalA11yETableColumnHeaderPrivate *priv = GET_PRIVATE (accessible); + + g_return_val_if_fail (priv->state_set, NULL); + + g_object_ref(priv->state_set); + + return priv->state_set; +} + +static void +gal_a11y_e_table_column_header_real_initialize (AtkObject *obj, gpointer data) +{ + ATK_OBJECT_CLASS (parent_class)->initialize (obj, data); +} + +static void +gal_a11y_e_table_column_header_dispose (GObject *object) +{ + GalA11yETableColumnHeader *a11y = GAL_A11Y_E_TABLE_COLUMN_HEADER (object); + GalA11yETableColumnHeaderPrivate *priv = GET_PRIVATE (a11y); + + if (priv->state_set) { + g_object_unref (priv->state_set); + priv->state_set = NULL; + } + + if (parent_class->dispose) + parent_class->dispose (object); + +} + +static void +etch_class_init (GalA11yETableColumnHeaderClass *klass) +{ + AtkObjectClass *class = ATK_OBJECT_CLASS (klass); + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + parent_class = g_type_class_ref (PARENT_TYPE); + + object_class->dispose = gal_a11y_e_table_column_header_dispose; + + class->ref_state_set = gal_a11y_e_table_column_header_ref_state_set; + class->initialize = gal_a11y_e_table_column_header_real_initialize; +} + +inline static GObject * +etch_a11y_get_gobject (AtkGObjectAccessible *accessible) +{ + return atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (accessible)); +} + +static gboolean +gal_a11y_e_table_column_header_do_action (AtkAction *action, + gint i) +{ + gboolean return_value = TRUE; + GtkWidget *widget; + GalA11yETableColumnHeader *a11y; + ETableHeaderItem *ethi; + ETableItem *item; + ETableCol *col; + + switch (i) { + case 0: + a11y = GAL_A11Y_E_TABLE_COLUMN_HEADER (action); + col = E_TABLE_COL (etch_a11y_get_gobject (ATK_GOBJECT_ACCESSIBLE (a11y))); + item = GET_PRIVATE (a11y)->item; + widget = gtk_widget_get_parent (GTK_WIDGET (item->parent.canvas)); + if (E_IS_TREE (widget)) { + ethi = E_TABLE_HEADER_ITEM (e_tree_get_header_item (E_TREE (widget))); + } + else if (E_IS_TABLE (widget)) + ethi = E_TABLE_HEADER_ITEM (E_TABLE (widget)->header_item); + else + break; + ethi_change_sort_state (ethi, col); + default: + return_value = FALSE; + break; + } + return return_value; +} + +static gint +gal_a11y_e_table_column_header_get_n_actions (AtkAction *action) +{ + return 1; +} + +static G_CONST_RETURN gchar* +gal_a11y_e_table_column_header_action_get_name (AtkAction *action, + gint i) +{ + G_CONST_RETURN gchar *return_value; + + switch (i) { + case 0: + return_value = _("sort"); + break; + default: + return_value = NULL; + break; + } + return return_value; +} + +static void +atk_action_interface_init (AtkActionIface *iface) +{ + g_return_if_fail (iface != NULL); + + iface->do_action = gal_a11y_e_table_column_header_do_action; + iface->get_n_actions = gal_a11y_e_table_column_header_get_n_actions; + iface->get_name = gal_a11y_e_table_column_header_action_get_name; +} + +GType +gal_a11y_e_table_column_header_get_type (void) +{ + static GType type = 0; + + if (!type) { + GTypeInfo info = { + sizeof (GalA11yETableColumnHeaderClass), + (GBaseInitFunc) NULL, + (GBaseFinalizeFunc) NULL, + (GClassInitFunc) etch_class_init, + (GClassFinalizeFunc) NULL, + NULL, + sizeof (GalA11yETableColumnHeader), + 0, + (GInstanceInitFunc) etch_init, + NULL + }; + static const GInterfaceInfo atk_action_info = { + (GInterfaceInitFunc) atk_action_interface_init, + (GInterfaceFinalizeFunc) NULL, + NULL + }; + + type = gal_a11y_type_register_static_with_private (PARENT_TYPE, "GalA11yETableColumnHeader", &info, 0, + sizeof (GalA11yETableColumnHeaderPrivate), &priv_offset); + + g_type_add_interface_static (type, ATK_TYPE_ACTION, &atk_action_info); + } + + return type; +} + +AtkObject * +gal_a11y_e_table_column_header_new (ETableCol *ecol, ETableItem *item) +{ + GalA11yETableColumnHeader *a11y; + AtkObject *accessible; + + g_return_val_if_fail (E_IS_TABLE_COL (ecol), NULL); + + a11y = g_object_new (gal_a11y_e_table_column_header_get_type(), NULL); + accessible = ATK_OBJECT (a11y); + atk_object_initialize (accessible, ecol); + + GET_PRIVATE (a11y)->item = item; + GET_PRIVATE (a11y)->state_set = atk_state_set_new (); + + atk_state_set_add_state (GET_PRIVATE(a11y)->state_set, ATK_STATE_VISIBLE); + atk_state_set_add_state (GET_PRIVATE(a11y)->state_set, ATK_STATE_SHOWING); + atk_state_set_add_state (GET_PRIVATE(a11y)->state_set, ATK_STATE_SENSITIVE); + atk_state_set_add_state (GET_PRIVATE(a11y)->state_set, ATK_STATE_ENABLED); + + if (ecol->text) + atk_object_set_name (accessible, ecol->text); + atk_object_set_role (accessible, ATK_ROLE_TABLE_COLUMN_HEADER); + + return ATK_OBJECT (a11y); +} diff --git a/widgets/table/a11y/gal-a11y-e-table-column-header.h b/widgets/table/a11y/gal-a11y-e-table-column-header.h new file mode 100644 index 0000000000..d0b1ff5aeb --- /dev/null +++ b/widgets/table/a11y/gal-a11y-e-table-column-header.h @@ -0,0 +1,55 @@ +/* + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + * + * Authors: + * Li Yuan <li.yuan@sun.com> + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + + +#ifndef __GAL_A11Y_E_TABLE_COLUMN_HEADER_H__ +#define __GAL_A11Y_E_TABLE_COLUMN_HEADER_H__ + +#include <glib-object.h> +#include <atk/atkgobjectaccessible.h> + +#define GAL_A11Y_TYPE_E_TABLE_COLUMN_HEADER (gal_a11y_e_table_column_header_get_type ()) +#define GAL_A11Y_E_TABLE_COLUMN_HEADER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GAL_A11Y_TYPE_E_TABLE_COLUMN_HEADER, GalA11yETableColumnHeader)) +#define GAL_A11Y_E_TABLE_COLUMN_HEADER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GAL_A11Y_TYPE_E_TABLE_COLUMN_HEADER, GalA11yETableColumnHeaderClass)) +#define GAL_A11Y_IS_E_TABLE_COLUMN_HEADER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GAL_A11Y_TYPE_E_TABLE_COLUMN_HEADER)) +#define GAL_A11Y_IS_E_TABLE_COLUMN_HEADER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GAL_A11Y_TYPE_E_TABLE_COLUMN_HEADER)) + +typedef struct _GalA11yETableColumnHeader GalA11yETableColumnHeader; +typedef struct _GalA11yETableColumnHeaderClass GalA11yETableColumnHeaderClass; +typedef struct _GalA11yETableColumnHeaderPrivate GalA11yETableColumnHeaderPrivate; + +struct _GalA11yETableColumnHeader { + AtkGObjectAccessible parent; +}; + +struct _GalA11yETableColumnHeaderClass { + AtkGObjectAccessibleClass parent_class; +}; + + +/* Standard Glib function */ +GType gal_a11y_e_table_column_header_get_type (void); +AtkObject *gal_a11y_e_table_column_header_new (ETableCol *etc, ETableItem *item); +void gal_a11y_e_table_column_header_init (void); + +#endif /* ! __GAL_A11Y_E_TABLE_COLUMN_HEADER_H__ */ diff --git a/widgets/table/a11y/gal-a11y-e-table-factory.c b/widgets/table/a11y/gal-a11y-e-table-factory.c new file mode 100644 index 0000000000..f459f3b67c --- /dev/null +++ b/widgets/table/a11y/gal-a11y-e-table-factory.c @@ -0,0 +1,99 @@ +/* + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + * + * Authors: + * Christopher James Lahey <clahey@ximian.com> + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + +#include <config.h> + +#include "gal-a11y-e-table.h" +#include "gal-a11y-e-table-factory.h" + +#define CS_CLASS(factory) (G_TYPE_INSTANCE_GET_CLASS ((factory), C_TYPE_STREAM, GalA11yETableFactoryClass)) +static AtkObjectFactoryClass *parent_class; +#define PARENT_TYPE (ATK_TYPE_OBJECT_FACTORY) + +/* Static functions */ + +static GType +gal_a11y_e_table_factory_get_accessible_type (void) +{ + return GAL_A11Y_TYPE_E_TABLE; +} + +static AtkObject* +gal_a11y_e_table_factory_create_accessible (GObject *obj) +{ + AtkObject *accessible; + + accessible = gal_a11y_e_table_new (obj); + + return accessible; +} + +static void +gal_a11y_e_table_factory_class_init (GalA11yETableFactoryClass *klass) +{ + AtkObjectFactoryClass *factory_class = ATK_OBJECT_FACTORY_CLASS (klass); + + parent_class = g_type_class_ref (PARENT_TYPE); + + factory_class->create_accessible = gal_a11y_e_table_factory_create_accessible; + factory_class->get_accessible_type = gal_a11y_e_table_factory_get_accessible_type; +} + +static void +gal_a11y_e_table_factory_init (GalA11yETableFactory *factory) +{ +} + +/** + * gal_a11y_e_table_factory_get_type: + * @void: + * + * Registers the &GalA11yETableFactory class if necessary, and returns the type ID + * associated to it. + * + * Return value: The type ID of the &GalA11yETableFactory class. + **/ +GType +gal_a11y_e_table_factory_get_type (void) +{ + static GType type = 0; + + if (!type) { + GTypeInfo info = { + sizeof (GalA11yETableFactoryClass), + (GBaseInitFunc) NULL, + (GBaseFinalizeFunc) NULL, + (GClassInitFunc) gal_a11y_e_table_factory_class_init, + (GClassFinalizeFunc) NULL, + NULL, /* class_data */ + sizeof (GalA11yETableFactory), + 0, + (GInstanceInitFunc) gal_a11y_e_table_factory_init, + NULL /* value_table */ + }; + + type = g_type_register_static (PARENT_TYPE, "GalA11yETableFactory", &info, 0); + } + + return type; +} diff --git a/widgets/table/a11y/gal-a11y-e-table-factory.h b/widgets/table/a11y/gal-a11y-e-table-factory.h new file mode 100644 index 0000000000..3439cf0bdc --- /dev/null +++ b/widgets/table/a11y/gal-a11y-e-table-factory.h @@ -0,0 +1,51 @@ +/* + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + * + * Authors: + * Christopher James Lahey <clahey@ximian.com> + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + +#ifndef __GAL_A11Y_E_TABLE_FACTORY_H__ +#define __GAL_A11Y_E_TABLE_FACTORY_H__ + +#include <glib-object.h> +#include <atk/atkobjectfactory.h> + +#define GAL_A11Y_TYPE_E_TABLE_FACTORY (gal_a11y_e_table_factory_get_type ()) +#define GAL_A11Y_E_TABLE_FACTORY(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GAL_A11Y_TYPE_E_TABLE_FACTORY, GalA11yETableFactory)) +#define GAL_A11Y_E_TABLE_FACTORY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GAL_A11Y_TYPE_E_TABLE_FACTORY, GalA11yETableFactoryClass)) +#define GAL_A11Y_IS_E_TABLE_FACTORY(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GAL_A11Y_TYPE_E_TABLE_FACTORY)) +#define GAL_A11Y_IS_E_TABLE_FACTORY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GAL_A11Y_TYPE_E_TABLE_FACTORY)) + +typedef struct _GalA11yETableFactory GalA11yETableFactory; +typedef struct _GalA11yETableFactoryClass GalA11yETableFactoryClass; + +struct _GalA11yETableFactory { + AtkObject object; +}; + +struct _GalA11yETableFactoryClass { + AtkObjectClass parent_class; +}; + + +/* Standard Glib function */ +GType gal_a11y_e_table_factory_get_type (void); + +#endif /* ! __GAL_A11Y_E_TABLE_FACTORY_H__ */ diff --git a/widgets/table/a11y/gal-a11y-e-table-item-factory.c b/widgets/table/a11y/gal-a11y-e-table-item-factory.c new file mode 100644 index 0000000000..fa14652788 --- /dev/null +++ b/widgets/table/a11y/gal-a11y-e-table-item-factory.c @@ -0,0 +1,105 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + * + * Authors: + * Yuedong Du <yuedong.du@sun.com> + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + +#include <config.h> + +#include <atk/atk.h> + +#include "table/e-table.h" +#include "table/e-tree.h" + +#include "gal-a11y-e-table.h" +#include "gal-a11y-e-table-item.h" +#include "gal-a11y-e-table-item-factory.h" + +#define CS_CLASS(factory) (G_TYPE_INSTANCE_GET_CLASS ((factory), C_TYPE_STREAM, GalA11yETableItemFactoryClass)) +static AtkObjectFactoryClass *parent_class; +#define PARENT_TYPE (ATK_TYPE_OBJECT_FACTORY) + +/* Static functions */ + +static GType +gal_a11y_e_table_item_factory_get_accessible_type (void) +{ + return GAL_A11Y_TYPE_E_TABLE_ITEM; +} + +static AtkObject* +gal_a11y_e_table_item_factory_create_accessible (GObject *obj) +{ + AtkObject *accessible; + + g_return_val_if_fail (E_IS_TABLE_ITEM(obj), NULL); + accessible = gal_a11y_e_table_item_new (E_TABLE_ITEM (obj)); + + return accessible; +} + +static void +gal_a11y_e_table_item_factory_class_init (GalA11yETableItemFactoryClass *klass) +{ + AtkObjectFactoryClass *factory_class = ATK_OBJECT_FACTORY_CLASS (klass); + + parent_class = g_type_class_ref (PARENT_TYPE); + + factory_class->create_accessible = gal_a11y_e_table_item_factory_create_accessible; + factory_class->get_accessible_type = gal_a11y_e_table_item_factory_get_accessible_type; +} + +static void +gal_a11y_e_table_item_factory_init (GalA11yETableItemFactory *factory) +{ +} + +/** + * gal_a11y_e_table_factory_get_type: + * @void: + * + * Registers the &GalA11yETableFactory class if necessary, and returns the type ID + * associated to it. + * + * Return value: The type ID of the &GalA11yETableFactory class. + **/ +GType +gal_a11y_e_table_item_factory_get_type (void) +{ + static GType type = 0; + + if (!type) { + GTypeInfo info = { + sizeof (GalA11yETableItemFactoryClass), + (GBaseInitFunc) NULL, + (GBaseFinalizeFunc) NULL, + (GClassInitFunc) gal_a11y_e_table_item_factory_class_init, + (GClassFinalizeFunc) NULL, + NULL, /* class_data */ + sizeof (GalA11yETableItemFactory), + 0, + (GInstanceInitFunc) gal_a11y_e_table_item_factory_init, + NULL /* value_table */ + }; + + type = g_type_register_static (PARENT_TYPE, "GalA11yETableItemFactory", &info, 0); + } + + return type; +} diff --git a/widgets/table/a11y/gal-a11y-e-table-item-factory.h b/widgets/table/a11y/gal-a11y-e-table-item-factory.h new file mode 100644 index 0000000000..f27c491a4d --- /dev/null +++ b/widgets/table/a11y/gal-a11y-e-table-item-factory.h @@ -0,0 +1,50 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + * + * Authors: + * Yuedong Du <yuedong.du@sun.com> + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + +#ifndef __GAL_A11Y_E_TABLE_ITEM_FACTORY_H__ +#define __GAL_A11Y_E_TABLE_ITEM_FACTORY_H__ + +#include <glib-object.h> +#include <atk/atkobjectfactory.h> + +#define GAL_A11Y_TYPE_E_TABLE_ITEM_FACTORY (gal_a11y_e_table_item_factory_get_type ()) +#define GAL_A11Y_E_TABLE_ITEM_FACTORY(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GAL_A11Y_TYPE_E_TABLE_ITEM_FACTORY, GalA11yETableItemFactory)) +#define GAL_A11Y_E_TABLE_ITEM_FACTORY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GAL_A11Y_TYPE_E_TABLE_ITEM_FACTORY, GalA11yETableItemFactoryClass)) +#define GAL_A11Y_IS_E_TABLE_ITEM_FACTORY(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GAL_A11Y_TYPE_E_TABLE_ITEM_FACTORY)) +#define GAL_A11Y_IS_E_TABLE_ITEM_FACTORY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GAL_A11Y_TYPE_E_TABLE_ITEM_FACTORY)) + +typedef struct _GalA11yETableItemFactory GalA11yETableItemFactory; +typedef struct _GalA11yETableItemFactoryClass GalA11yETableItemFactoryClass; + +struct _GalA11yETableItemFactory { + AtkObject object; +}; + +struct _GalA11yETableItemFactoryClass { + AtkObjectClass parent_class; +}; + + +/* Standard Glib function */ +GType gal_a11y_e_table_item_factory_get_type (void); + +#endif /* ! __GAL_A11Y_E_TABLE_FACTORY_H__ */ diff --git a/widgets/table/a11y/gal-a11y-e-table-item.c b/widgets/table/a11y/gal-a11y-e-table-item.c new file mode 100644 index 0000000000..935f53b83b --- /dev/null +++ b/widgets/table/a11y/gal-a11y-e-table-item.c @@ -0,0 +1,1327 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + * + * Authors: + * Christopher James Lahey <clahey@ximian.com> + * Bolian Yin <bolian.yin@sun.com> + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + +#include <config.h> + +#include <string.h> + +#include <atk/atk.h> + +#include "a11y/gal-a11y-util.h" +#include "table/e-table-click-to-add.h" +#include "table/e-table-subset.h" +#include "table/e-table.h" +#include "table/e-tree.h" +#include "misc/e-canvas.h" +#include "misc/e-selection-model.h" + +#include "gal-a11y-e-table-item.h" +#include "gal-a11y-e-table-item-factory.h" +#include "gal-a11y-e-table-click-to-add.h" +#include "gal-a11y-e-cell-registry.h" +#include "gal-a11y-e-cell.h" +#include "gal-a11y-e-table-column-header.h" + +#define CS_CLASS(a11y) (G_TYPE_INSTANCE_GET_CLASS ((a11y), C_TYPE_STREAM, GalA11yETableItemClass)) +static GObjectClass *parent_class; +static AtkComponentIface *component_parent_iface; +static GType parent_type; +static gint priv_offset; +static GQuark quark_accessible_object = 0; +#define GET_PRIVATE(object) ((GalA11yETableItemPrivate *) (((char *) object) + priv_offset)) +#define PARENT_TYPE (parent_type) + +struct _GalA11yETableItemPrivate { + gint cols; + gint rows; + int selection_change_id; + int cursor_change_id; + ETableCol ** columns; + ESelectionModel *selection; + AtkStateSet *state_set; + GtkWidget *widget; +}; + +static gboolean gal_a11y_e_table_item_ref_selection (GalA11yETableItem *a11y, + ESelectionModel *selection); +static gboolean gal_a11y_e_table_item_unref_selection (GalA11yETableItem *a11y); + +static AtkObject* eti_ref_at (AtkTable *table, gint row, gint column); + +static void +item_destroyed (GtkObject *item, gpointer user_data) +{ + GalA11yETableItem *a11y = GAL_A11Y_E_TABLE_ITEM (user_data); + GalA11yETableItemPrivate *priv = GET_PRIVATE (a11y); + + atk_state_set_add_state (priv->state_set, ATK_STATE_DEFUNCT); + atk_object_notify_state_change (ATK_OBJECT (a11y), ATK_STATE_DEFUNCT, TRUE); + + if (priv->selection) + gal_a11y_e_table_item_unref_selection (a11y); + +} + +static AtkStateSet * +eti_ref_state_set (AtkObject *accessible) +{ + GalA11yETableItemPrivate *priv = GET_PRIVATE (accessible); + + g_object_ref(priv->state_set); + + return priv->state_set; +} + +inline static gint +view_to_model_row(ETableItem *eti, int row) +{ + if (eti->uses_source_model) { + ETableSubset *etss = E_TABLE_SUBSET(eti->table_model); + if (row >= 0 && row < etss->n_map) { + eti->row_guess = row; + return etss->map_table[row]; + } else + return -1; + } else + return row; +} + +inline static gint +view_to_model_col(ETableItem *eti, int col) +{ + ETableCol *ecol = e_table_header_get_column (eti->header, col); + return ecol ? ecol->col_idx : -1; +} + +inline static gint +model_to_view_row(ETableItem *eti, int row) +{ + int i; + if (row == -1) + return -1; + if (eti->uses_source_model) { + ETableSubset *etss = E_TABLE_SUBSET(eti->table_model); + if (eti->row_guess >= 0 && eti->row_guess < etss->n_map) { + if (etss->map_table[eti->row_guess] == row) { + return eti->row_guess; + } + } + for (i = 0; i < etss->n_map; i++) { + if (etss->map_table[i] == row) + return i; + } + return -1; + } else + return row; +} + +inline static gint +model_to_view_col(ETableItem *eti, int col) +{ + int i; + if (col == -1) + return -1; + for (i = 0; i < eti->cols; i++) { + ETableCol *ecol = e_table_header_get_column (eti->header, i); + if (ecol->col_idx == col) + return i; + } + return -1; +} + +inline static GObject * +eti_a11y_get_gobject (AtkObject *accessible) +{ + return atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (accessible)); +} + +static void +eti_a11y_reset_focus_object (GalA11yETableItem *a11y, ETableItem *item, gboolean notify) +{ + ESelectionModel * esm; + int cursor_row, cursor_col, view_row, view_col; + AtkObject *cell, *old_cell; + + esm = item->selection; + g_return_if_fail (esm); + + cursor_row = e_selection_model_cursor_row (esm); + cursor_col = e_selection_model_cursor_col (esm); + + view_row = model_to_view_row (item, cursor_row); + view_col = model_to_view_col (item, cursor_col); + + if (view_row == -1) + view_row = 0; + if (view_col == -1) + view_col = 0; + + old_cell = (AtkObject *)g_object_get_data (G_OBJECT (a11y), "gail-focus-object"); + if (old_cell && GAL_A11Y_IS_E_CELL (old_cell)) + gal_a11y_e_cell_remove_state (GAL_A11Y_E_CELL (old_cell), ATK_STATE_FOCUSED, FALSE); + if (old_cell) + g_object_unref (old_cell); + + cell = eti_ref_at (ATK_TABLE (a11y), view_row, view_col); + + if (cell != NULL) { + g_object_set_data (G_OBJECT (a11y), "gail-focus-object", cell); + gal_a11y_e_cell_add_state (GAL_A11Y_E_CELL (cell), ATK_STATE_FOCUSED, FALSE); + } else + g_object_set_data (G_OBJECT (a11y), "gail-focus-object", NULL); + + if (notify && cell) + atk_focus_tracker_notify (cell); +} + +static void +eti_dispose (GObject *object) +{ + GalA11yETableItem *a11y = GAL_A11Y_E_TABLE_ITEM (object); + GalA11yETableItemPrivate *priv = GET_PRIVATE (a11y); + + if (priv->columns) { + g_free(priv->columns); + priv->columns = NULL; + } + + if (parent_class->dispose) + parent_class->dispose (object); +} + +/* Static functions */ +static gint +eti_get_n_children (AtkObject *accessible) +{ + g_return_val_if_fail (GAL_A11Y_IS_E_TABLE_ITEM (accessible), 0); + if (!eti_a11y_get_gobject (accessible)) + return 0; + + return atk_table_get_n_columns (ATK_TABLE (accessible)) * + (atk_table_get_n_rows (ATK_TABLE (accessible)) + 1); +} + +static AtkObject* +eti_ref_child (AtkObject *accessible, gint index) +{ + ETableItem *item; + gint col, row; + + g_return_val_if_fail (GAL_A11Y_IS_E_TABLE_ITEM (accessible), NULL); + item = E_TABLE_ITEM (eti_a11y_get_gobject (accessible)); + if (!item) + return NULL; + + if (index < item->cols) { + ETableCol *ecol; + AtkObject *child; + + ecol = e_table_header_get_column (item->header, index); + child = gal_a11y_e_table_column_header_new (ecol, item); + return child; + } + index -= item->cols; + + col = index % item->cols; + row = index / item->cols; + + return eti_ref_at (ATK_TABLE (accessible), row, col); +} + +static void +eti_get_extents (AtkComponent *component, + gint *x, + gint *y, + gint *width, + gint *height, + AtkCoordType coord_type) +{ + ETableItem *item; + AtkObject *parent; + + item = E_TABLE_ITEM (eti_a11y_get_gobject (ATK_OBJECT (component))); + if (!item) + return; + + parent = ATK_OBJECT (component)->accessible_parent; + if (parent && ATK_IS_COMPONENT (parent)) + atk_component_get_extents (ATK_COMPONENT (parent), x, y, + width, height, + coord_type); + + if (parent && GAL_A11Y_IS_E_TABLE_CLICK_TO_ADD (parent)) { + ETableClickToAdd *etcta = E_TABLE_CLICK_TO_ADD (atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (parent))); + if (etcta) { + *width = etcta->width; + *height = etcta->height; + } + } +} + +static AtkObject* +eti_ref_accessible_at_point (AtkComponent *component, + gint x, + gint y, + AtkCoordType coord_type) +{ + int row = -1; + int col = -1; + int x_origin, y_origin; + ETableItem *item; + GtkWidget *tableOrTree; + + item = E_TABLE_ITEM (eti_a11y_get_gobject (ATK_OBJECT (component))); + if (!item) + return NULL; + + atk_component_get_position (component, + &x_origin, + &y_origin, + coord_type); + x -= x_origin; + y -= y_origin; + + tableOrTree = gtk_widget_get_parent (GTK_WIDGET (item->parent.canvas)); + + if (E_IS_TREE(tableOrTree)) + e_tree_get_cell_at (E_TREE (tableOrTree), x, y, &row, &col); + else + e_table_get_cell_at (E_TABLE (tableOrTree), x, y, &row, &col); + + if (row != -1 && col != -1) { + return eti_ref_at (ATK_TABLE (component), row, col); + } else { + return NULL; + } +} + + +static void +cell_destroyed (gpointer data) +{ + GalA11yECell * cell; + + g_return_if_fail (GAL_A11Y_IS_E_CELL (data)); + cell = GAL_A11Y_E_CELL (data); + + g_return_if_fail (cell->item && G_IS_OBJECT (cell->item)); + + if (cell->item) { + g_object_unref (cell->item); + cell->item = NULL; + } + +} + +/* atk table */ +static AtkObject* +eti_ref_at (AtkTable *table, gint row, gint column) +{ + ETableItem *item; + AtkObject* ret; + GalA11yETableItemPrivate *priv = GET_PRIVATE (table); + + if (atk_state_set_contains_state (priv->state_set, ATK_STATE_DEFUNCT)) + return NULL; + + + item = E_TABLE_ITEM (eti_a11y_get_gobject (ATK_OBJECT (table))); + if (!item) + return NULL; + + if (column >= 0 && + column < item->cols && + row >= 0 && + row < item->rows && + item->cell_views_realized) { + ECellView *cell_view = item->cell_views[column]; + ETableCol *ecol = e_table_header_get_column (item->header, column); + ret = gal_a11y_e_cell_registry_get_object (NULL, + item, + cell_view, + ATK_OBJECT (table), + ecol->col_idx, + column, + row); + if (ATK_IS_OBJECT (ret)) { + g_object_weak_ref (G_OBJECT (ret), + (GWeakNotify) cell_destroyed, + ret); + /* if current cell is focused, add FOCUSED state */ + if (e_selection_model_cursor_row (item->selection) == GAL_A11Y_E_CELL (ret)->row && + e_selection_model_cursor_col (item->selection) == GAL_A11Y_E_CELL (ret)->model_col) + gal_a11y_e_cell_add_state (GAL_A11Y_E_CELL (ret), ATK_STATE_FOCUSED, FALSE); + } else + ret = NULL; + + return ret; + } + + return NULL; +} + +static gint +eti_get_index_at (AtkTable *table, gint row, gint column) +{ + ETableItem *item; + + item = E_TABLE_ITEM (eti_a11y_get_gobject (ATK_OBJECT (table))); + if (!item) + return -1; + + return column + (row + 1) * item->cols; +} + +static gint +eti_get_column_at_index (AtkTable *table, gint index) +{ + ETableItem *item; + + item = E_TABLE_ITEM (eti_a11y_get_gobject (ATK_OBJECT (table))); + if (!item) + return -1; + + return index % item->cols; +} + +static gint +eti_get_row_at_index (AtkTable *table, gint index) +{ + ETableItem *item; + + item = E_TABLE_ITEM (eti_a11y_get_gobject (ATK_OBJECT (table))); + if (!item) + return -1; + + return index / item->cols - 1; +} + +static gint +eti_get_n_columns (AtkTable *table) +{ + ETableItem *item; + + item = E_TABLE_ITEM (eti_a11y_get_gobject (ATK_OBJECT (table))); + if (!item) + return -1; + + return item->cols; +} + +static gint +eti_get_n_rows (AtkTable *table) +{ + ETableItem *item; + + item = E_TABLE_ITEM (eti_a11y_get_gobject (ATK_OBJECT (table))); + if (!item) + return -1; + + return item->rows; +} + +static gint +eti_get_column_extent_at (AtkTable *table, + gint row, + gint column) +{ + ETableItem *item; + int width; + + item = E_TABLE_ITEM (eti_a11y_get_gobject (ATK_OBJECT (table))); + if (!item) + return -1; + + e_table_item_get_cell_geometry (item, + &row, + &column, + NULL, + NULL, + &width, + NULL); + + return width; +} + +static gint +eti_get_row_extent_at (AtkTable *table, + gint row, + gint column) +{ + ETableItem *item; + int height; + + item = E_TABLE_ITEM (eti_a11y_get_gobject (ATK_OBJECT (table))); + if (!item) + return -1; + + e_table_item_get_cell_geometry (item, + &row, + &column, + NULL, + NULL, + NULL, + &height); + + return height; +} + +static AtkObject * +eti_get_caption (AtkTable *table) +{ + /* Unimplemented */ + return NULL; +} + +static G_CONST_RETURN gchar * +eti_get_column_description (AtkTable *table, + gint column) +{ + ETableItem *item; + ETableCol *ecol; + + item = E_TABLE_ITEM (eti_a11y_get_gobject (ATK_OBJECT (table))); + if (!item) + return NULL; + + ecol = e_table_header_get_column (item->header, column); + + return ecol->text; +} + +static AtkObject * +eti_get_column_header (AtkTable *table, gint column) +{ + ETableItem *item; + ETableCol *ecol; + AtkObject *atk_obj = NULL; + + item = E_TABLE_ITEM (eti_a11y_get_gobject (ATK_OBJECT (table))); + if (!item) + return NULL; + + ecol = e_table_header_get_column (item->header, column); + if (ecol) { + atk_obj = gal_a11y_e_table_column_header_new (ecol, item); + } + + return atk_obj; +} + +static G_CONST_RETURN gchar * +eti_get_row_description (AtkTable *table, + gint row) +{ + /* Unimplemented */ + return NULL; +} + +static AtkObject * +eti_get_row_header (AtkTable *table, + gint row) +{ + /* Unimplemented */ + return NULL; +} + +static AtkObject * +eti_get_summary (AtkTable *table) +{ + /* Unimplemented */ + return NULL; +} + +static gboolean +table_is_row_selected (AtkTable *table, gint row) +{ + ETableItem *item; + GalA11yETableItemPrivate *priv = GET_PRIVATE (table); + + if (row < 0) + return FALSE; + + if (atk_state_set_contains_state (priv->state_set, ATK_STATE_DEFUNCT)) + return FALSE; + + item = E_TABLE_ITEM (eti_a11y_get_gobject (ATK_OBJECT (table))); + if (!item) + return FALSE; + + return e_selection_model_is_row_selected(item->selection, view_to_model_row (item, row)); +} + +static gboolean +table_is_selected (AtkTable *table, gint row, gint column) +{ + return table_is_row_selected (table, row); +} + +static gint +table_get_selected_rows (AtkTable *table, gint **rows_selected) +{ + ETableItem *item; + gint n_selected, row, index_selected; + GalA11yETableItemPrivate *priv = GET_PRIVATE (table); + + if (atk_state_set_contains_state (priv->state_set, ATK_STATE_DEFUNCT)) + return 0; + + item = E_TABLE_ITEM (eti_a11y_get_gobject (ATK_OBJECT (table))); + if (!item) + return 0; + + n_selected = e_selection_model_selected_count (item->selection); + if (rows_selected) { + *rows_selected = (gint *) g_malloc (n_selected * sizeof (gint)); + + index_selected = 0; + for (row = 0; row < item->rows && index_selected < n_selected; ++row) { + if (atk_table_is_row_selected (table, row)) { + (*rows_selected)[index_selected] = row; + ++index_selected; + } + } + } + return n_selected; +} + +static gboolean +table_add_row_selection (AtkTable *table, gint row) +{ + ETableItem *item; + + item = E_TABLE_ITEM (eti_a11y_get_gobject (ATK_OBJECT (table))); + if (!item) + return FALSE; + + if (table_is_row_selected (table, row)) + return TRUE; + e_selection_model_toggle_single_row (item->selection, + view_to_model_row (item, row)); + + return TRUE; +} + +static gboolean +table_remove_row_selection (AtkTable *table, gint row) +{ + ETableItem *item; + GalA11yETableItemPrivate *priv = GET_PRIVATE (table); + + if (atk_state_set_contains_state (priv->state_set, ATK_STATE_DEFUNCT)) + return FALSE; + + item = E_TABLE_ITEM (eti_a11y_get_gobject (ATK_OBJECT (table))); + if (!item) + return FALSE; + + if (!atk_table_is_row_selected (table, row)) + return TRUE; + e_selection_model_toggle_single_row (item->selection, view_to_model_row (item, row)); + return TRUE; +} + +static void +eti_atk_table_iface_init (AtkTableIface *iface) +{ + iface->ref_at = eti_ref_at; + iface->get_index_at = eti_get_index_at; + iface->get_column_at_index = eti_get_column_at_index; + iface->get_row_at_index = eti_get_row_at_index; + iface->get_n_columns = eti_get_n_columns; + iface->get_n_rows = eti_get_n_rows; + iface->get_column_extent_at = eti_get_column_extent_at; + iface->get_row_extent_at = eti_get_row_extent_at; + iface->get_caption = eti_get_caption; + iface->get_column_description = eti_get_column_description; + iface->get_column_header = eti_get_column_header; + iface->get_row_description = eti_get_row_description; + iface->get_row_header = eti_get_row_header; + iface->get_summary = eti_get_summary; + + iface->is_row_selected = table_is_row_selected; + iface->is_selected = table_is_selected; + iface->get_selected_rows = table_get_selected_rows; + iface->add_row_selection = table_add_row_selection; + iface->remove_row_selection = table_remove_row_selection; +} + +static void +eti_atk_component_iface_init (AtkComponentIface *iface) +{ + component_parent_iface = g_type_interface_peek_parent (iface); + + iface->ref_accessible_at_point = eti_ref_accessible_at_point; + iface->get_extents = eti_get_extents; +} + +static void +eti_rows_inserted (ETableModel * model, int row, int count, + AtkObject * table_item) +{ + gint n_cols,n_rows,i,j; + GalA11yETableItem * item_a11y; + gint old_nrows; + + g_return_if_fail (table_item); + item_a11y = GAL_A11Y_E_TABLE_ITEM (table_item); + + n_cols = atk_table_get_n_columns (ATK_TABLE(table_item)); + n_rows = atk_table_get_n_rows (ATK_TABLE(table_item)); + + old_nrows = GET_PRIVATE(item_a11y)->rows; + + g_return_if_fail (n_cols > 0 && n_rows > 0); + g_return_if_fail (old_nrows == n_rows - count); + + GET_PRIVATE(table_item)->rows = n_rows; + + g_signal_emit_by_name (table_item, "row-inserted", row, + count, NULL); + + for (i = row; i < (row + count); i ++) { + for (j = 0; j < n_cols; j ++) { + g_signal_emit_by_name (table_item, + "children_changed::add", + ( ((i + 1)*n_cols) + j), NULL, NULL); + } + } + + g_signal_emit_by_name (table_item, "visible-data-changed"); +} + +static void +eti_rows_deleted (ETableModel * model, int row, int count, + AtkObject * table_item) +{ + gint i,j, n_rows, n_cols, old_nrows; + ETableItem *item = E_TABLE_ITEM (atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (table_item))); + + n_rows = atk_table_get_n_rows (ATK_TABLE(table_item)); + n_cols = atk_table_get_n_columns (ATK_TABLE(table_item)); + + old_nrows = GET_PRIVATE(table_item)->rows; + + g_return_if_fail ( row+count <= old_nrows); + g_return_if_fail (old_nrows == n_rows + count); + GET_PRIVATE(table_item)->rows = n_rows; + + g_signal_emit_by_name (table_item, "row-deleted", row, + count, NULL); + + for (i = row; i < (row + count); i ++) { + for (j = 0; j < n_cols; j ++) { + g_signal_emit_by_name (table_item, + "children_changed::remove", + ( ((i + 1)*n_cols) + j), NULL, NULL); + } + } + g_signal_emit_by_name (table_item, "visible-data-changed"); + eti_a11y_reset_focus_object ((GalA11yETableItem *)table_item, item, TRUE); +} + +static void +eti_tree_model_node_changed_cb (ETreeModel *model, ETreePath node, ETableItem *eti) +{ + AtkObject *atk_obj; + GalA11yETableItem *a11y; + + g_return_if_fail (E_IS_TABLE_ITEM (eti)); + + atk_obj = atk_gobject_accessible_for_object (G_OBJECT (eti)); + a11y = GAL_A11Y_E_TABLE_ITEM (atk_obj); + + /* we can't figure out which rows are changed, so just send out a signal ... */ + if (GET_PRIVATE (a11y)->rows > 0) + g_signal_emit_by_name (a11y, "visible-data-changed"); +} + +enum { + ETI_HEADER_UNCHANGED = 0, + ETI_HEADER_REORDERED, + ETI_HEADER_NEW_ADDED, + ETI_HEADER_REMOVED +}; + +/* + * 1. Check what actually happened: column reorder, remove or add + * 2. Update cache + * 3. Emit signals + */ +static void +eti_header_structure_changed (ETableHeader *eth, AtkObject *a11y) +{ + + gboolean reorder_found=FALSE, added_found=FALSE, removed_found=FALSE; + GalA11yETableItem * a11y_item; + ETableCol ** cols, **prev_cols; + GalA11yETableItemPrivate *priv; + gint *state = NULL, *prev_state = NULL, *reorder = NULL; + gint i,j,n_rows,n_cols, prev_n_cols; + + a11y_item = GAL_A11Y_E_TABLE_ITEM (a11y); + priv = GET_PRIVATE (a11y_item); + + /* Assume rows do not changed. */ + n_rows = priv->rows; + + prev_n_cols = priv->cols; + prev_cols = priv->columns; + + cols = e_table_header_get_columns (eth); + n_cols = eth->col_count; + + g_return_if_fail (cols && prev_cols && n_cols > 0); + + /* Init to ETI_HEADER_UNCHANGED. */ + state = g_malloc0 (sizeof (gint) * n_cols); + prev_state = g_malloc0 (sizeof (gint) * prev_n_cols); + reorder = g_malloc0 (sizeof (gint) * n_cols); + + /* Compare with previously saved column headers. */ + for ( i = 0 ; i < n_cols && cols[i]; i ++ ) { + for ( j = 0 ; j < prev_n_cols && prev_cols[j]; j ++ ) { + if ( prev_cols [j] == cols[i] && i != j ) { + + reorder_found = TRUE; + state [i] = ETI_HEADER_REORDERED; + reorder [i] = j; + + break; + } else if (prev_cols[j] == cols[i]) { + /* OK, this column is not changed. */ + break; + } + } + + /* cols[i] is new added column. */ + if ( j == prev_n_cols ) { + added_found = TRUE; + state[i] = ETI_HEADER_NEW_ADDED; + } + } + + /* Now try to find if there are removed columns. */ + for (i = 0 ; i < prev_n_cols && prev_cols[i]; i ++) { + for (j = 0 ; j < n_cols && cols[j]; j ++) + if ( prev_cols [j] == cols[i] ) + break; + + /* Removed columns found. */ + if ( j == n_cols ) { + removed_found = TRUE; + prev_state[j] = ETI_HEADER_REMOVED; + } + } + + /* If nothing interesting just return. */ + if (!reorder_found && !added_found && !removed_found) + return; + + /* Emit signals */ + if (reorder_found) + g_signal_emit_by_name (G_OBJECT(a11y_item), "column_reordered"); + + + if (removed_found) { + for (i = 0; i < prev_n_cols; i ++ ) { + if (prev_state[i] == ETI_HEADER_REMOVED) { + g_signal_emit_by_name (G_OBJECT(a11y_item), "column-deleted", i, 1); + for (j = 0 ; j < n_rows; j ++) + g_signal_emit_by_name (G_OBJECT(a11y_item), "children_changed::remove", ((j+1)*prev_n_cols+i), NULL, NULL); + } + } + } + + if (added_found) { + for ( i = 0; i < n_cols; i ++ ) { + if (state[i] == ETI_HEADER_NEW_ADDED) { + g_signal_emit_by_name (G_OBJECT(a11y_item), "column-inserted", i, 1); + for (j = 0 ; j < n_rows; j ++) + g_signal_emit_by_name (G_OBJECT(a11y_item), "children_changed::add", ((j+1)*n_cols+i), NULL, NULL); + } + } + } + + priv->cols = n_cols; + + g_free (state); + g_free (reorder); + g_free (prev_state); + + g_free (priv->columns); + priv->columns = cols; +} + + +static void +eti_real_initialize (AtkObject *obj, + gpointer data) +{ + ETableItem * eti; + ETableModel * model; + + ATK_OBJECT_CLASS (parent_class)->initialize (obj, data); + eti = E_TABLE_ITEM (data); + + model = eti->table_model; + + g_signal_connect (model, "model-rows-inserted", + G_CALLBACK (eti_rows_inserted), + obj); + g_signal_connect (model, "model-rows-deleted", + G_CALLBACK (eti_rows_deleted), + obj); + g_signal_connect (G_OBJECT (eti->header), "structure_change", + G_CALLBACK (eti_header_structure_changed), obj); + +} + +static void +eti_class_init (GalA11yETableItemClass *klass) +{ + AtkObjectClass *atk_object_class = ATK_OBJECT_CLASS (klass); + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + quark_accessible_object = g_quark_from_static_string ("gtk-accessible-object"); + + parent_class = g_type_class_ref (PARENT_TYPE); + + object_class->dispose = eti_dispose; + + atk_object_class->get_n_children = eti_get_n_children; + atk_object_class->ref_child = eti_ref_child; + atk_object_class->initialize = eti_real_initialize; + atk_object_class->ref_state_set = eti_ref_state_set; +} + +static void +eti_init (GalA11yETableItem *a11y) +{ + GalA11yETableItemPrivate *priv; + + priv = GET_PRIVATE (a11y); + + priv->selection_change_id = 0; + priv->cursor_change_id = 0; + priv->selection = NULL; +} + +/* atk selection */ + +static void atk_selection_interface_init (AtkSelectionIface *iface); +static gboolean selection_add_selection (AtkSelection *selection, + gint i); +static gboolean selection_clear_selection (AtkSelection *selection); +static AtkObject* selection_ref_selection (AtkSelection *selection, + gint i); +static gint selection_get_selection_count (AtkSelection *selection); +static gboolean selection_is_child_selected (AtkSelection *selection, + gint i); + +/* callbacks */ +static void eti_a11y_selection_model_removed_cb (ETableItem *eti, + ESelectionModel *selection, + gpointer data); +static void eti_a11y_selection_model_added_cb (ETableItem *eti, + ESelectionModel *selection, + gpointer data); +static void eti_a11y_selection_changed_cb (ESelectionModel *selection, + GalA11yETableItem *a11y); +static void eti_a11y_cursor_changed_cb (ESelectionModel *selection, + int row, int col, + GalA11yETableItem *a11y); + +/** + * gal_a11y_e_table_item_get_type: + * @void: + * + * Registers the &GalA11yETableItem class if necessary, and returns the type ID + * associated to it. + * + * Return value: The type ID of the &GalA11yETableItem class. + **/ +GType +gal_a11y_e_table_item_get_type (void) +{ + static GType type = 0; + + if (!type) { + AtkObjectFactory *factory; + + GTypeInfo info = { + sizeof (GalA11yETableItemClass), + (GBaseInitFunc) NULL, + (GBaseFinalizeFunc) NULL, + (GClassInitFunc) eti_class_init, + (GClassFinalizeFunc) NULL, + NULL, /* class_data */ + sizeof (GalA11yETableItem), + 0, + (GInstanceInitFunc) eti_init, + NULL /* value_table_item */ + }; + + static const GInterfaceInfo atk_component_info = { + (GInterfaceInitFunc) eti_atk_component_iface_init, + (GInterfaceFinalizeFunc) NULL, + NULL + }; + static const GInterfaceInfo atk_table_info = { + (GInterfaceInitFunc) eti_atk_table_iface_init, + (GInterfaceFinalizeFunc) NULL, + NULL + }; + + static const GInterfaceInfo atk_selection_info = { + (GInterfaceInitFunc) atk_selection_interface_init, + (GInterfaceFinalizeFunc) NULL, + NULL + }; + + + factory = atk_registry_get_factory (atk_get_default_registry (), GNOME_TYPE_CANVAS_ITEM); + parent_type = atk_object_factory_get_accessible_type (factory); + + type = gal_a11y_type_register_static_with_private (PARENT_TYPE, "GalA11yETableItem", &info, 0, + sizeof (GalA11yETableItemPrivate), &priv_offset); + + g_type_add_interface_static (type, ATK_TYPE_COMPONENT, &atk_component_info); + g_type_add_interface_static (type, ATK_TYPE_TABLE, &atk_table_info); + g_type_add_interface_static (type, ATK_TYPE_SELECTION, &atk_selection_info); + } + + return type; +} + +AtkObject * +gal_a11y_e_table_item_new (ETableItem *item) +{ + GalA11yETableItem *a11y; + AtkObject *accessible; + ESelectionModel * esm; + AtkObject *parent; + const char *name; + + g_return_val_if_fail (item && item->cols >= 0 && item->rows >= 0, NULL); + a11y = g_object_new (gal_a11y_e_table_item_get_type (), NULL); + + atk_object_initialize (ATK_OBJECT (a11y), item); + + GET_PRIVATE (a11y)->state_set = atk_state_set_new (); + + atk_state_set_add_state (GET_PRIVATE(a11y)->state_set, ATK_STATE_TRANSIENT); + atk_state_set_add_state (GET_PRIVATE(a11y)->state_set, ATK_STATE_ENABLED); + atk_state_set_add_state (GET_PRIVATE(a11y)->state_set, ATK_STATE_SENSITIVE); + atk_state_set_add_state (GET_PRIVATE(a11y)->state_set, ATK_STATE_SHOWING); + atk_state_set_add_state (GET_PRIVATE(a11y)->state_set, ATK_STATE_VISIBLE); + + + accessible = ATK_OBJECT(a11y); + + /* Initialize cell data. */ + GET_PRIVATE (a11y)->cols = item->cols; + GET_PRIVATE (a11y)->rows = item->rows; + + GET_PRIVATE (a11y)->columns = e_table_header_get_columns (item->header); + if ( GET_PRIVATE (a11y)->columns == NULL) + return NULL; + + if (item) { + g_signal_connect (G_OBJECT(item), "selection_model_removed", + G_CALLBACK (eti_a11y_selection_model_removed_cb), NULL); + g_signal_connect (G_OBJECT(item), "selection_model_added", + G_CALLBACK (eti_a11y_selection_model_added_cb), NULL); + if (item->selection) + gal_a11y_e_table_item_ref_selection (a11y, + item->selection); + + /* find the TableItem's parent: table or tree */ + GET_PRIVATE (a11y)->widget = gtk_widget_get_parent (GTK_WIDGET (item->parent.canvas)); + parent = gtk_widget_get_accessible (GET_PRIVATE (a11y)->widget); + name = atk_object_get_name (parent); + if (name) + atk_object_set_name (accessible, name); + atk_object_set_parent (accessible, parent); + + if (E_IS_TREE (GET_PRIVATE (a11y)->widget)) { + ETreeModel *model; + model = e_tree_get_model (E_TREE (GET_PRIVATE (a11y)->widget)); + g_signal_connect (G_OBJECT(model), "node_changed", + G_CALLBACK (eti_tree_model_node_changed_cb), item); + accessible->role = ATK_ROLE_TREE_TABLE; + } else if (E_IS_TABLE (GET_PRIVATE (a11y)->widget)) { + accessible->role = ATK_ROLE_TABLE; + } + } + + if (item) + g_signal_connect (G_OBJECT (item), "destroy", + G_CALLBACK (item_destroyed), + a11y); + esm = item->selection; + + if (esm != NULL) { + eti_a11y_reset_focus_object (a11y, item, FALSE); + } + + return ATK_OBJECT (a11y); +} + +static gboolean +gal_a11y_e_table_item_ref_selection (GalA11yETableItem *a11y, + ESelectionModel *selection) +{ + GalA11yETableItemPrivate *priv; + + g_return_val_if_fail (a11y && selection, FALSE); + + priv = GET_PRIVATE (a11y); + priv->selection_change_id = g_signal_connect ( + G_OBJECT(selection), "selection_changed", + G_CALLBACK (eti_a11y_selection_changed_cb), a11y); + priv->cursor_change_id = g_signal_connect ( + G_OBJECT(selection), "cursor_changed", + G_CALLBACK (eti_a11y_cursor_changed_cb), a11y); + + priv->selection = selection; + g_object_ref (selection); + + return TRUE; +} + +static gboolean +gal_a11y_e_table_item_unref_selection (GalA11yETableItem *a11y) +{ + GalA11yETableItemPrivate *priv; + + g_return_val_if_fail (a11y, FALSE); + + priv = GET_PRIVATE (a11y); + + g_return_val_if_fail (priv->selection_change_id != 0, FALSE); + g_return_val_if_fail (priv->cursor_change_id != 0, FALSE); + + + g_signal_handler_disconnect (priv->selection, + priv->selection_change_id); + g_signal_handler_disconnect (priv->selection, + priv->cursor_change_id); + priv->cursor_change_id = 0; + priv->selection_change_id = 0; + + g_object_unref (priv->selection); + priv->selection = NULL; + + return TRUE; +} + +/* callbacks */ + +static void +eti_a11y_selection_model_removed_cb (ETableItem *eti, ESelectionModel *selection, + gpointer data) +{ + AtkObject *atk_obj; + GalA11yETableItem *a11y; + + g_return_if_fail (E_IS_TABLE_ITEM (eti)); + g_return_if_fail (E_IS_SELECTION_MODEL (selection)); + + atk_obj = atk_gobject_accessible_for_object (G_OBJECT (eti)); + a11y = GAL_A11Y_E_TABLE_ITEM (atk_obj); + + if (selection == GET_PRIVATE (a11y)->selection) + gal_a11y_e_table_item_unref_selection (a11y); +} + +static void +eti_a11y_selection_model_added_cb (ETableItem *eti, ESelectionModel *selection, + gpointer data) +{ + AtkObject *atk_obj; + GalA11yETableItem *a11y; + + g_return_if_fail (E_IS_TABLE_ITEM (eti)); + g_return_if_fail (E_IS_SELECTION_MODEL (selection)); + + atk_obj = atk_gobject_accessible_for_object (G_OBJECT (eti)); + a11y = GAL_A11Y_E_TABLE_ITEM (atk_obj); + + if (GET_PRIVATE (a11y)->selection) + gal_a11y_e_table_item_unref_selection (a11y); + gal_a11y_e_table_item_ref_selection (a11y, selection); +} + +static void +eti_a11y_selection_changed_cb (ESelectionModel *selection, GalA11yETableItem *a11y) +{ + GalA11yETableItemPrivate *priv = GET_PRIVATE (a11y); + + if (atk_state_set_contains_state (priv->state_set, ATK_STATE_DEFUNCT)) + return; + + g_return_if_fail (GAL_A11Y_IS_E_TABLE_ITEM (a11y)); + + g_signal_emit_by_name (a11y, "selection_changed"); +} + +static void +eti_a11y_cursor_changed_cb (ESelectionModel *selection, + int row, int col, GalA11yETableItem *a11y) +{ + ETableItem *item; + GalA11yETableItemPrivate *priv = GET_PRIVATE (a11y); + + g_return_if_fail (GAL_A11Y_IS_E_TABLE_ITEM (a11y)); + + if (atk_state_set_contains_state (priv->state_set, ATK_STATE_DEFUNCT)) + return; + + item = E_TABLE_ITEM (eti_a11y_get_gobject (ATK_OBJECT (a11y))); + + g_return_if_fail (item); + + if (row == -1 && col == -1) + return; + eti_a11y_reset_focus_object (a11y, item, TRUE); +} + +/* atk selection */ + +static void atk_selection_interface_init (AtkSelectionIface *iface) +{ + g_return_if_fail (iface != NULL); + iface->add_selection = selection_add_selection; + iface->clear_selection = selection_clear_selection; + iface->ref_selection = selection_ref_selection; + iface->get_selection_count = selection_get_selection_count; + iface->is_child_selected = selection_is_child_selected; +} + +static gboolean +selection_add_selection (AtkSelection *selection, gint index) +{ + AtkTable *table; + gint row, col, cursor_row, cursor_col, model_row, model_col; + ETableItem *item; + + item = E_TABLE_ITEM (eti_a11y_get_gobject (ATK_OBJECT (selection))); + if (!item) + return FALSE; + + table = ATK_TABLE (selection); + + row = atk_table_get_row_at_index (table, index); + col = atk_table_get_column_at_index (table, index); + + model_row = view_to_model_row (item, row); + model_col = view_to_model_col (item, col); + + cursor_row = e_selection_model_cursor_row (item->selection); + cursor_col = e_selection_model_cursor_col (item->selection); + + /* check whether is selected already */ + if (model_row == cursor_row && model_col == cursor_col) + return TRUE; + + if (model_row != cursor_row) { + /* we need to make the item get focus */ + e_canvas_item_grab_focus (GNOME_CANVAS_ITEM (item), TRUE); + + /* FIXME, currently we only support single row selection */ + atk_selection_clear_selection (selection); + atk_table_add_row_selection (table, row); + } + + e_selection_model_change_cursor (item->selection, + model_row, + model_col); + e_selection_model_cursor_changed (item->selection, + model_row, + model_col); + e_selection_model_cursor_activated (item->selection, + model_row, + model_col); + return TRUE; +} + +static gboolean +selection_clear_selection (AtkSelection *selection) +{ + ETableItem *item; + + item = E_TABLE_ITEM (eti_a11y_get_gobject (ATK_OBJECT (selection))); + if (!item) + return FALSE; + + e_selection_model_clear (item->selection); + return TRUE; +} + +static AtkObject * +selection_ref_selection (AtkSelection *selection, gint index) +{ + AtkTable *table; + gint row, col; + + table = ATK_TABLE (selection); + row = atk_table_get_row_at_index (table, index); + col = atk_table_get_column_at_index (table, index); + if (!atk_table_is_row_selected (table, row)) + return NULL; + + return eti_ref_at (table, row, col); +} + +static gint +selection_get_selection_count (AtkSelection *selection) +{ + AtkTable *table; + gint n_selected; + + table = ATK_TABLE (selection); + n_selected = atk_table_get_selected_rows (table, NULL); + if (n_selected > 0) + n_selected *= atk_table_get_n_columns (table); + return n_selected; +} + +static gboolean +selection_is_child_selected (AtkSelection *selection, gint i) +{ + gint row; + + row = atk_table_get_row_at_index (ATK_TABLE (selection), i); + return atk_table_is_row_selected (ATK_TABLE (selection), row); +} + +void +gal_a11y_e_table_item_init (void) +{ + if (atk_get_root ()) + atk_registry_set_factory_type (atk_get_default_registry (), + E_TABLE_ITEM_TYPE, + gal_a11y_e_table_item_factory_get_type ()); +} + diff --git a/widgets/table/a11y/gal-a11y-e-table-item.h b/widgets/table/a11y/gal-a11y-e-table-item.h new file mode 100644 index 0000000000..27d6a8244b --- /dev/null +++ b/widgets/table/a11y/gal-a11y-e-table-item.h @@ -0,0 +1,59 @@ +/* + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + * + * Authors: + * Christopher James Lahey <clahey@ximian.com> + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + +#ifndef __GAL_A11Y_E_TABLE_ITEM_H__ +#define __GAL_A11Y_E_TABLE_ITEM_H__ + +#include <glib-object.h> +#include <table/e-table-item.h> +#include <atk/atkgobjectaccessible.h> + +#define GAL_A11Y_TYPE_E_TABLE_ITEM (gal_a11y_e_table_item_get_type ()) +#define GAL_A11Y_E_TABLE_ITEM(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GAL_A11Y_TYPE_E_TABLE_ITEM, GalA11yETableItem)) +#define GAL_A11Y_E_TABLE_ITEM_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GAL_A11Y_TYPE_E_TABLE_ITEM, GalA11yETableItemClass)) +#define GAL_A11Y_IS_E_TABLE_ITEM(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GAL_A11Y_TYPE_E_TABLE_ITEM)) +#define GAL_A11Y_IS_E_TABLE_ITEM_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GAL_A11Y_TYPE_E_TABLE_ITEM)) + +typedef struct _GalA11yETableItem GalA11yETableItem; +typedef struct _GalA11yETableItemClass GalA11yETableItemClass; +typedef struct _GalA11yETableItemPrivate GalA11yETableItemPrivate; + +/* This struct should actually be larger as this isn't what we derive from. + * The GalA11yETableItemPrivate comes right after the parent class structure. + **/ +struct _GalA11yETableItem { + AtkGObjectAccessible parent; +}; + +struct _GalA11yETableItemClass { + AtkGObjectAccessibleClass parent_class; +}; + + +/* Standard Glib function */ +GType gal_a11y_e_table_item_get_type (void); +AtkObject *gal_a11y_e_table_item_new (ETableItem *item); + +void gal_a11y_e_table_item_init (void); + +#endif /* ! __GAL_A11Y_E_TABLE_ITEM_H__ */ diff --git a/widgets/table/a11y/gal-a11y-e-table.c b/widgets/table/a11y/gal-a11y-e-table.c new file mode 100644 index 0000000000..1966fb29ee --- /dev/null +++ b/widgets/table/a11y/gal-a11y-e-table.c @@ -0,0 +1,308 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + * + * Authors: + * Christopher James Lahey <clahey@ximian.com> + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + +#include <config.h> + +#include "a11y/gal-a11y-util.h" +#include "table/e-table.h" +#include "table/e-table-click-to-add.h" +#include "table/e-table-group.h" +#include "table/e-table-group-container.h" +#include "table/e-table-group-leaf.h" + +#include "gal-a11y-e-table.h" +#include "gal-a11y-e-table-factory.h" +#include "gal-a11y-e-table-item.h" + +#define CS_CLASS(a11y) (G_TYPE_INSTANCE_GET_CLASS ((a11y), C_TYPE_STREAM, GalA11yETableClass)) +static AtkObjectClass *parent_class; +static GType parent_type; +static gint priv_offset; +#define GET_PRIVATE(object) ((GalA11yETablePrivate *) (((char *) object) + priv_offset)) +#define PARENT_TYPE (parent_type) + +struct _GalA11yETablePrivate { + AtkObject *child_item; +}; + +/* Static functions */ +static ETableItem * +find_first_table_item (ETableGroup *group) +{ + GnomeCanvasGroup *cgroup; + GList *l; + + cgroup = GNOME_CANVAS_GROUP (group); + + for (l = cgroup->item_list; l; l = l->next) { + GnomeCanvasItem *i; + + i = GNOME_CANVAS_ITEM (l->data); + + if (E_IS_TABLE_GROUP (i)) + return find_first_table_item (E_TABLE_GROUP (i)); + else if (E_IS_TABLE_ITEM (i)) { + return E_TABLE_ITEM (i); + } + } + + return NULL; +} + +static AtkObject* +eti_get_accessible (ETableItem *eti, AtkObject *parent) +{ + AtkObject *a11y = NULL; + + g_return_val_if_fail (eti, NULL); + + a11y = atk_gobject_accessible_for_object (G_OBJECT (eti)); + g_return_val_if_fail (a11y, NULL); + + return a11y; +} + +static gboolean +init_child_item (GalA11yETable *a11y) +{ + ETable *table; + + if (!a11y || !GTK_IS_ACCESSIBLE (a11y)) + return FALSE; + + table = E_TABLE (GTK_ACCESSIBLE (a11y)->widget); + if (table && GTK_WIDGET_MAPPED (GTK_WIDGET (table)) && table->group && E_IS_TABLE_GROUP_CONTAINER(table->group)) { + ETableGroupContainer *etgc = (ETableGroupContainer *)table->group; + GList *list; + + for (list = etgc->children; list; list = g_list_next (list)) { + ETableGroupContainerChildNode *child_node = list->data; + ETableGroup *child = child_node->child; + ETableItem *eti = find_first_table_item (child); + + eti_get_accessible (eti, ATK_OBJECT (a11y)); + } + } + g_object_unref (a11y); + g_object_unref (table); + + return FALSE; +} + +static AtkObject* +et_ref_accessible_at_point (AtkComponent *component, + gint x, + gint y, + AtkCoordType coord_type) +{ + GalA11yETable *a11y = GAL_A11Y_E_TABLE (component); + if (GET_PRIVATE (a11y)->child_item) + g_object_ref (GET_PRIVATE (a11y)->child_item); + return GET_PRIVATE (a11y)->child_item; +} + +static gint +et_get_n_children (AtkObject *accessible) +{ + GalA11yETable *a11y = GAL_A11Y_E_TABLE (accessible); + ETable * et; + int n = 0; + + et = E_TABLE(GTK_ACCESSIBLE (a11y)->widget); + + if (et->group) { + if (E_IS_TABLE_GROUP_LEAF (et->group)) + n = 1; + else if (E_IS_TABLE_GROUP_CONTAINER (et->group)) { + ETableGroupContainer *etgc = (ETableGroupContainer *)et->group; + n = g_list_length (etgc->children); + } + } + + if (et && et->use_click_to_add && et->click_to_add) { + n++; + } + return n; +} + +static AtkObject* +et_ref_child (AtkObject *accessible, + gint i) +{ + GalA11yETable *a11y = GAL_A11Y_E_TABLE (accessible); + ETable * et; + gint child_no; + + et = E_TABLE(GTK_ACCESSIBLE (a11y)->widget); + + child_no = et_get_n_children (accessible); + if (i == 0 || i < child_no - 1) { + if (E_IS_TABLE_GROUP_LEAF (et->group)) { + ETableItem *eti = find_first_table_item (et->group); + AtkObject *aeti = eti_get_accessible (eti, accessible); + if (aeti) + g_object_ref (aeti); + return aeti; + + } else if (E_IS_TABLE_GROUP_CONTAINER (et->group)) { + ETableGroupContainer *etgc = (ETableGroupContainer *) et->group; + ETableGroupContainerChildNode *child_node = g_list_nth_data (etgc->children, i); + if (child_node) { + ETableGroup *child = child_node->child; + ETableItem * eti = find_first_table_item (child); + AtkObject *aeti = eti_get_accessible (eti, accessible); + if (aeti) + g_object_ref (aeti); + return aeti; + } + } + } else if (i == child_no -1) { + ETableClickToAdd * etcta; + + if (et && et->use_click_to_add && et->click_to_add) { + etcta = E_TABLE_CLICK_TO_ADD(et->click_to_add); + accessible = atk_gobject_accessible_for_object (G_OBJECT(etcta)); + if (accessible) + g_object_ref (accessible); + return accessible; + } + } + + return NULL; +} + +static AtkLayer +et_get_layer (AtkComponent *component) +{ + return ATK_LAYER_WIDGET; +} + +static void +et_class_init (GalA11yETableClass *klass) +{ + AtkObjectClass *atk_object_class = ATK_OBJECT_CLASS (klass); + + parent_class = g_type_class_ref (PARENT_TYPE); + + atk_object_class->get_n_children = et_get_n_children; + atk_object_class->ref_child = et_ref_child; +} + +static void +et_atk_component_iface_init (AtkComponentIface *iface) +{ + iface->ref_accessible_at_point = et_ref_accessible_at_point; + iface->get_layer = et_get_layer; +} + +static void +et_init (GalA11yETable *a11y) +{ + GalA11yETablePrivate *priv; + + priv = GET_PRIVATE (a11y); + + priv->child_item = NULL; +} + +/** + * gal_a11y_e_table_get_type: + * @void: + * + * Registers the &GalA11yETable class if necessary, and returns the type ID + * associated to it. + * + * Return value: The type ID of the &GalA11yETable class. + **/ +GType +gal_a11y_e_table_get_type (void) +{ + static GType type = 0; + + if (!type) { + AtkObjectFactory *factory; + + GTypeInfo info = { + sizeof (GalA11yETableClass), + (GBaseInitFunc) NULL, + (GBaseFinalizeFunc) NULL, + (GClassInitFunc) et_class_init, + (GClassFinalizeFunc) NULL, + NULL, /* class_data */ + sizeof (GalA11yETable), + 0, + (GInstanceInitFunc) et_init, + NULL /* value_table */ + }; + + static const GInterfaceInfo atk_component_info = { + (GInterfaceInitFunc) et_atk_component_iface_init, + (GInterfaceFinalizeFunc) NULL, + NULL + }; + + factory = atk_registry_get_factory (atk_get_default_registry (), GTK_TYPE_WIDGET); + parent_type = atk_object_factory_get_accessible_type (factory); + + type = gal_a11y_type_register_static_with_private (PARENT_TYPE, "GalA11yETable", &info, 0, + sizeof (GalA11yETablePrivate), &priv_offset); + g_type_add_interface_static (type, ATK_TYPE_COMPONENT, &atk_component_info); + } + + return type; +} + +AtkObject * +gal_a11y_e_table_new (GObject *widget) +{ + GalA11yETable *a11y; + ETable *table; + + table = E_TABLE (widget); + + a11y = g_object_new (gal_a11y_e_table_get_type (), NULL); + + GTK_ACCESSIBLE (a11y)->widget = GTK_WIDGET (widget); + + /* we need to init all the children for multiple table items */ + if (table && GTK_WIDGET_MAPPED (GTK_WIDGET (table)) && table->group && E_IS_TABLE_GROUP_CONTAINER (table->group)) { + /* Ref it here so that it is still valid in the idle function */ + /* It will be unrefed in the idle function */ + g_object_ref (a11y); + g_object_ref (widget); + + g_idle_add ((GSourceFunc)init_child_item, a11y); + } + + return ATK_OBJECT (a11y); +} + +void +gal_a11y_e_table_init (void) +{ + if (atk_get_root ()) + atk_registry_set_factory_type (atk_get_default_registry (), + E_TABLE_TYPE, + gal_a11y_e_table_factory_get_type ()); + +} + diff --git a/widgets/table/a11y/gal-a11y-e-table.h b/widgets/table/a11y/gal-a11y-e-table.h new file mode 100644 index 0000000000..d8f972df81 --- /dev/null +++ b/widgets/table/a11y/gal-a11y-e-table.h @@ -0,0 +1,59 @@ +/* + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + * + * Authors: + * Christopher James Lahey <clahey@ximian.com> + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + +#ifndef __GAL_A11Y_E_TABLE_H__ +#define __GAL_A11Y_E_TABLE_H__ + +#include <gtk/gtk.h> +#include <atk/atkobject.h> +#include <atk/atkcomponent.h> + +#define GAL_A11Y_TYPE_E_TABLE (gal_a11y_e_table_get_type ()) +#define GAL_A11Y_E_TABLE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GAL_A11Y_TYPE_E_TABLE, GalA11yETable)) +#define GAL_A11Y_E_TABLE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GAL_A11Y_TYPE_E_TABLE, GalA11yETableClass)) +#define GAL_A11Y_IS_E_TABLE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GAL_A11Y_TYPE_E_TABLE)) +#define GAL_A11Y_IS_E_TABLE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GAL_A11Y_TYPE_E_TABLE)) + +typedef struct _GalA11yETable GalA11yETable; +typedef struct _GalA11yETableClass GalA11yETableClass; +typedef struct _GalA11yETablePrivate GalA11yETablePrivate; + +/* This struct should actually be larger as this isn't what we derive from. + * The GalA11yETablePrivate comes right after the parent class structure. + **/ +struct _GalA11yETable { + GtkAccessible object; +}; + +struct _GalA11yETableClass { + GtkAccessibleClass parent_class; +}; + + +/* Standard Glib function */ +GType gal_a11y_e_table_get_type (void); +AtkObject *gal_a11y_e_table_new (GObject *table); + +void gal_a11y_e_table_init (void); + +#endif /* ! __GAL_A11Y_E_TABLE_H__ */ diff --git a/widgets/table/a11y/gal-a11y-e-tree-factory.c b/widgets/table/a11y/gal-a11y-e-tree-factory.c new file mode 100644 index 0000000000..8dc06e2936 --- /dev/null +++ b/widgets/table/a11y/gal-a11y-e-tree-factory.c @@ -0,0 +1,98 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + * + * Authors: + * Yuedong Du <yuedong.du@sun.com> + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + +#include <config.h> + +#include "gal-a11y-e-tree.h" +#include "gal-a11y-e-tree-factory.h" + +#define CS_CLASS(factory) (G_TYPE_INSTANCE_GET_CLASS ((factory), C_TYPE_STREAM, GalA11yETreeFactoryClass)) +static AtkObjectFactoryClass *parent_class; +#define PARENT_TYPE (ATK_TYPE_OBJECT_FACTORY) + +/* Static functions */ + +static GType +gal_a11y_e_tree_factory_get_accessible_type (void) +{ + return GAL_A11Y_TYPE_E_TREE; +} + +static AtkObject* +gal_a11y_e_tree_factory_create_accessible (GObject *obj) +{ + AtkObject *accessible; + + accessible = gal_a11y_e_tree_new (obj); + + return accessible; +} + +static void +gal_a11y_e_tree_factory_class_init (GalA11yETreeFactoryClass *klass) +{ + AtkObjectFactoryClass *factory_class = ATK_OBJECT_FACTORY_CLASS (klass); + + parent_class = g_type_class_ref (PARENT_TYPE); + + factory_class->create_accessible = gal_a11y_e_tree_factory_create_accessible; + factory_class->get_accessible_type = gal_a11y_e_tree_factory_get_accessible_type; +} + +static void +gal_a11y_e_tree_factory_init (GalA11yETreeFactory *factory) +{ +} + +/** + * gal_a11y_e_tree_factory_get_type: + * @void: + * + * Registers the &GalA11yETreeFactory class if necessary, and returns the type ID + * associated to it. + * + * Return value: The type ID of the &GalA11yETreeFactory class. + **/ +GType +gal_a11y_e_tree_factory_get_type (void) +{ + static GType type = 0; + + if (!type) { + GTypeInfo info = { + sizeof (GalA11yETreeFactoryClass), + (GBaseInitFunc) NULL, + (GBaseFinalizeFunc) NULL, + (GClassInitFunc) gal_a11y_e_tree_factory_class_init, + (GClassFinalizeFunc) NULL, + NULL, /* class_data */ + sizeof (GalA11yETreeFactory), + 0, + (GInstanceInitFunc) gal_a11y_e_tree_factory_init, + NULL /* value_tree */ + }; + + type = g_type_register_static (PARENT_TYPE, "GalA11yETreeFactory", &info, 0); + } + + return type; +} diff --git a/widgets/table/a11y/gal-a11y-e-tree-factory.h b/widgets/table/a11y/gal-a11y-e-tree-factory.h new file mode 100644 index 0000000000..3d97c7a3b1 --- /dev/null +++ b/widgets/table/a11y/gal-a11y-e-tree-factory.h @@ -0,0 +1,50 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + * + * Authors: + * Yuedong Du <yuedong.du@ximian.com> + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + +#ifndef __GAL_A11Y_E_TREE_FACTORY_H__ +#define __GAL_A11Y_E_TREE_FACTORY_H__ + +#include <glib-object.h> +#include <atk/atkobjectfactory.h> + +#define GAL_A11Y_TYPE_E_TREE_FACTORY (gal_a11y_e_table_factory_get_type ()) +#define GAL_A11Y_E_TREE_FACTORY(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GAL_A11Y_TYPE_E_TREE_FACTORY, GalA11yETreeFactory)) +#define GAL_A11Y_E_TREE_FACTORY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GAL_A11Y_TYPE_E_TREE_FACTORY, GalA11yETreeFactoryClass)) +#define GAL_A11Y_IS_E_TREE_FACTORY(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GAL_A11Y_TYPE_E_TREE_FACTORY)) +#define GAL_A11Y_IS_E_TREE_FACTORY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GAL_A11Y_TYPE_E_TREE_FACTORY)) + +typedef struct _GalA11yETreeFactory GalA11yETreeFactory; +typedef struct _GalA11yETreeFactoryClass GalA11yETreeFactoryClass; + +struct _GalA11yETreeFactory { + AtkObject object; +}; + +struct _GalA11yETreeFactoryClass { + AtkObjectClass parent_class; +}; + + +/* Standard Glib function */ +GType gal_a11y_e_tree_factory_get_type (void); + +#endif /* ! __GAL_A11Y_E_TREE_FACTORY_H__ */ diff --git a/widgets/table/a11y/gal-a11y-e-tree.c b/widgets/table/a11y/gal-a11y-e-tree.c new file mode 100644 index 0000000000..4ecce81501 --- /dev/null +++ b/widgets/table/a11y/gal-a11y-e-tree.c @@ -0,0 +1,191 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + * + * Authors: + * Yuedong Du <yuedong.du@sun.com> + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + +#include <config.h> + +#include "a11y/gal-a11y-util.h" +#include "table/e-table-item.h" +#include "table/e-tree.h" + +#include "gal-a11y-e-table-item.h" +#include "gal-a11y-e-tree.h" +#include "gal-a11y-e-tree-factory.h" + +#define CS_CLASS(a11y) (G_TYPE_INSTANCE_GET_CLASS ((a11y), C_TYPE_STREAM, GalA11yETreeClass)) +static AtkObjectClass *parent_class; +static GType parent_type; +static gint priv_offset; +#define GET_PRIVATE(object) ((GalA11yETreePrivate *) (((char *) object) + priv_offset)) +#define PARENT_TYPE (parent_type) + +struct _GalA11yETreePrivate { + AtkObject *child_item; +}; + +/* Static functions */ + +static void +init_child_item (GalA11yETree *a11y) +{ + GalA11yETreePrivate *priv = GET_PRIVATE (a11y); + ETree *tree = E_TREE (GTK_ACCESSIBLE (a11y)->widget); + ETableItem * eti; + + g_return_if_fail (tree); + eti = e_tree_get_item (tree); + if (priv->child_item == NULL) { + priv->child_item = atk_gobject_accessible_for_object (G_OBJECT (eti)); + } +} + +static AtkObject* +et_ref_accessible_at_point (AtkComponent *component, + gint x, + gint y, + AtkCoordType coord_type) +{ + GalA11yETree *a11y = GAL_A11Y_E_TREE (component); + init_child_item (a11y); + return GET_PRIVATE (a11y)->child_item; +} + +static gint +et_get_n_children (AtkObject *accessible) +{ + return 1; +} + +static AtkObject* +et_ref_child (AtkObject *accessible, + gint i) +{ + GalA11yETree *a11y = GAL_A11Y_E_TREE (accessible); + if (i != 0) + return NULL; + init_child_item (a11y); + g_object_ref (GET_PRIVATE (a11y)->child_item); + return GET_PRIVATE (a11y)->child_item; +} + +static AtkLayer +et_get_layer (AtkComponent *component) +{ + return ATK_LAYER_WIDGET; +} + +static void +et_class_init (GalA11yETreeClass *klass) +{ + AtkObjectClass *atk_object_class = ATK_OBJECT_CLASS (klass); + + parent_class = g_type_class_ref (PARENT_TYPE); + + atk_object_class->get_n_children = et_get_n_children; + atk_object_class->ref_child = et_ref_child; +} + +static void +et_atk_component_iface_init (AtkComponentIface *iface) +{ + iface->ref_accessible_at_point = et_ref_accessible_at_point; + iface->get_layer = et_get_layer; +} + +static void +et_init (GalA11yETree *a11y) +{ + GalA11yETreePrivate *priv; + + priv = GET_PRIVATE (a11y); + + priv->child_item = NULL; +} + +/** + * gal_a11y_e_tree_get_type: + * @void: + * + * Registers the &GalA11yETree class if necessary, and returns the type ID + * associated to it. + * + * Return value: The type ID of the &GalA11yETree class. + **/ +GType +gal_a11y_e_tree_get_type (void) +{ + static GType type = 0; + + if (!type) { + AtkObjectFactory *factory; + + GTypeInfo info = { + sizeof (GalA11yETreeClass), + (GBaseInitFunc) NULL, + (GBaseFinalizeFunc) NULL, + (GClassInitFunc) et_class_init, + (GClassFinalizeFunc) NULL, + NULL, /* class_data */ + sizeof (GalA11yETree), + 0, + (GInstanceInitFunc) et_init, + NULL /* value_tree */ + }; + + static const GInterfaceInfo atk_component_info = { + (GInterfaceInitFunc) et_atk_component_iface_init, + (GInterfaceFinalizeFunc) NULL, + NULL + }; + + factory = atk_registry_get_factory (atk_get_default_registry (), GTK_TYPE_WIDGET); + parent_type = atk_object_factory_get_accessible_type (factory); + + type = gal_a11y_type_register_static_with_private (PARENT_TYPE, "GalA11yETree", &info, 0, + sizeof (GalA11yETreePrivate), &priv_offset); + g_type_add_interface_static (type, ATK_TYPE_COMPONENT, &atk_component_info); + } + + return type; +} + +AtkObject * +gal_a11y_e_tree_new (GObject *widget) +{ + GalA11yETree *a11y; + + a11y = g_object_new (gal_a11y_e_tree_get_type (), NULL); + + GTK_ACCESSIBLE (a11y)->widget = GTK_WIDGET (widget); + + return ATK_OBJECT (a11y); +} + +void +gal_a11y_e_tree_init (void) +{ + if (atk_get_root ()) + atk_registry_set_factory_type (atk_get_default_registry (), + E_TREE_TYPE, + gal_a11y_e_tree_factory_get_type ()); + +} + diff --git a/widgets/table/a11y/gal-a11y-e-tree.h b/widgets/table/a11y/gal-a11y-e-tree.h new file mode 100644 index 0000000000..d2aa8a0d2a --- /dev/null +++ b/widgets/table/a11y/gal-a11y-e-tree.h @@ -0,0 +1,58 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + * + * Authors: + * Yuedong Du <yuedong.du@sun.com> + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + +#ifndef __GAL_A11Y_E_TREE_H__ +#define __GAL_A11Y_E_TREE_H__ + +#include <gtk/gtk.h> +#include <atk/atkobject.h> +#include <atk/atkcomponent.h> + +#define GAL_A11Y_TYPE_E_TREE (gal_a11y_e_tree_get_type ()) +#define GAL_A11Y_E_TREE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GAL_A11Y_TYPE_E_TREE, GalA11yETree)) +#define GAL_A11Y_E_TREE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GAL_A11Y_TYPE_E_TREE, GalA11yETreeClass)) +#define GAL_A11Y_IS_E_TREE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GAL_A11Y_TYPE_E_TREE)) +#define GAL_A11Y_IS_E_TREE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GAL_A11Y_TYPE_E_TREE)) + +typedef struct _GalA11yETree GalA11yETree; +typedef struct _GalA11yETreeClass GalA11yETreeClass; +typedef struct _GalA11yETreePrivate GalA11yETreePrivate; + +/* This struct should actually be larger as this isn't what we derive from. + * The GalA11yETablePrivate comes right after the parent class structure. + **/ +struct _GalA11yETree { + GtkAccessible object; +}; + +struct _GalA11yETreeClass { + GtkAccessibleClass parent_class; +}; + + +/* Standard Glib function */ +GType gal_a11y_e_tree_get_type (void); +AtkObject *gal_a11y_e_tree_new (GObject *tree); + +void gal_a11y_e_tree_init (void); + +#endif /* ! __GAL_A11Y_E_TREE_H__ */ |