diff options
Diffstat (limited to 'widgets/table/e-cell-toggle.c')
| -rw-r--r-- | widgets/table/e-cell-toggle.c | 470 |
1 files changed, 0 insertions, 470 deletions
diff --git a/widgets/table/e-cell-toggle.c b/widgets/table/e-cell-toggle.c deleted file mode 100644 index f4de9d6922..0000000000 --- a/widgets/table/e-cell-toggle.c +++ /dev/null @@ -1,470 +0,0 @@ -/* - * e-cell-toggle.c - Multi-state image toggle cell object. - * - * 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: - * Miguel de Icaza <miguel@ximian.com> - * - * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) - * - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <gdk/gdkkeysyms.h> -#include <gtk/gtk.h> -#include <libgnomecanvas/libgnomecanvas.h> - -#include "art/empty.xpm" - -#include "gal-a11y-e-cell-toggle.h" -#include "gal-a11y-e-cell-registry.h" -#include "e-util/e-util.h" - -#include "e-cell-toggle.h" -#include "e-table-item.h" - -#define E_CELL_TOGGLE_GET_PRIVATE(obj) \ - (G_TYPE_INSTANCE_GET_PRIVATE \ - ((obj), E_TYPE_CELL_TOGGLE, ECellTogglePrivate)) - -struct _ECellTogglePrivate { - gchar **icon_names; - guint n_icon_names; - - GdkPixbuf *empty; - GPtrArray *pixbufs; - gint height; -}; - -G_DEFINE_TYPE (ECellToggle, e_cell_toggle, E_TYPE_CELL) - -typedef struct { - ECellView cell_view; - GnomeCanvas *canvas; -} ECellToggleView; - -static void -cell_toggle_load_icons (ECellToggle *cell_toggle) -{ - GtkIconTheme *icon_theme; - gint width, height; - gint max_height = 0; - guint ii; - GError *error = NULL; - - icon_theme = gtk_icon_theme_get_default (); - gtk_icon_size_lookup (GTK_ICON_SIZE_MENU, &width, &height); - - g_ptr_array_set_size (cell_toggle->priv->pixbufs, 0); - - for (ii = 0; ii < cell_toggle->priv->n_icon_names; ii++) { - const gchar *icon_name = cell_toggle->priv->icon_names[ii]; - GdkPixbuf *pixbuf = NULL; - - if (icon_name != NULL) - pixbuf = gtk_icon_theme_load_icon ( - icon_theme, icon_name, height, 0, &error); - - if (error != NULL) { - g_warning ("%s", error->message); - g_clear_error (&error); - } - - if (pixbuf == NULL) - pixbuf = g_object_ref (cell_toggle->priv->empty); - - g_ptr_array_add (cell_toggle->priv->pixbufs, pixbuf); - max_height = MAX (max_height, gdk_pixbuf_get_height (pixbuf)); - } - - cell_toggle->priv->height = max_height; -} - -static void -cell_toggle_dispose (GObject *object) -{ - ECellTogglePrivate *priv; - - priv = E_CELL_TOGGLE_GET_PRIVATE (object); - - if (priv->empty != NULL) { - g_object_unref (priv->empty); - priv->empty = NULL; - } - - /* This unrefs all the elements. */ - g_ptr_array_set_size (priv->pixbufs, 0); - - /* Chain up to parent's dispose() method. */ - G_OBJECT_CLASS (e_cell_toggle_parent_class)->dispose (object); -} - -static void -cell_toggle_finalize (GObject *object) -{ - ECellTogglePrivate *priv; - guint ii; - - priv = E_CELL_TOGGLE_GET_PRIVATE (object); - - /* The array is not NULL-terminated, - * so g_strfreev() will not work. */ - for (ii = 0; ii < priv->n_icon_names; ii++) - g_free (priv->icon_names[ii]); - g_free (priv->icon_names); - - g_ptr_array_free (priv->pixbufs, TRUE); - - /* Chain up to parent's finalize() method. */ - G_OBJECT_CLASS (e_cell_toggle_parent_class)->finalize (object); -} - -static ECellView * -cell_toggle_new_view (ECell *ecell, - ETableModel *table_model, - gpointer e_table_item_view) -{ - ECellToggleView *toggle_view = g_new0 (ECellToggleView, 1); - ETableItem *eti = E_TABLE_ITEM (e_table_item_view); - GnomeCanvas *canvas = GNOME_CANVAS_ITEM (eti)->canvas; - - toggle_view->cell_view.ecell = ecell; - toggle_view->cell_view.e_table_model = table_model; - toggle_view->cell_view.e_table_item_view = e_table_item_view; - toggle_view->cell_view.kill_view_cb = NULL; - toggle_view->cell_view.kill_view_cb_data = NULL; - toggle_view->canvas = canvas; - - return (ECellView *) toggle_view; -} - -static void -cell_toggle_kill_view (ECellView *ecell_view) -{ - ECellToggleView *toggle_view = (ECellToggleView *) ecell_view; - - if (toggle_view->cell_view.kill_view_cb) - toggle_view->cell_view.kill_view_cb ( - ecell_view, toggle_view->cell_view.kill_view_cb_data); - - if (toggle_view->cell_view.kill_view_cb_data) - g_list_free (toggle_view->cell_view.kill_view_cb_data); - - g_free (ecell_view); -} - -static void -cell_toggle_draw (ECellView *ecell_view, - cairo_t *cr, - gint model_col, - gint view_col, - gint row, - ECellFlags flags, - gint x1, - gint y1, - gint x2, - gint y2) -{ - ECellTogglePrivate *priv; - GdkPixbuf *image; - gint x, y; - - const gint value = GPOINTER_TO_INT ( - e_table_model_value_at (ecell_view->e_table_model, model_col, row)); - - priv = E_CELL_TOGGLE_GET_PRIVATE (ecell_view->ecell); - - if (value < 0 || value >= priv->pixbufs->len) - return; - - image = g_ptr_array_index (priv->pixbufs, value); - - if ((x2 - x1) < gdk_pixbuf_get_width (image)) - x = x1; - else - x = x1 + ((x2 - x1) - gdk_pixbuf_get_width (image)) / 2; - - if ((y2 - y1) < gdk_pixbuf_get_height (image)) - y = y1; - else - y = y1 + ((y2 - y1) - gdk_pixbuf_get_height (image)) / 2; - - cairo_save (cr); - gdk_cairo_set_source_pixbuf (cr, image, x, y); - cairo_paint_with_alpha (cr, 1); - cairo_restore (cr); -} - -static void -etog_set_value (ECellToggleView *toggle_view, - gint model_col, - gint view_col, - gint row, - gint value) -{ - ECellTogglePrivate *priv; - - priv = E_CELL_TOGGLE_GET_PRIVATE (toggle_view->cell_view.ecell); - - if (value >= priv->pixbufs->len) - value = 0; - - e_table_model_set_value_at ( - toggle_view->cell_view.e_table_model, - model_col, row, GINT_TO_POINTER (value)); -} - -static gint -cell_toggle_event (ECellView *ecell_view, - GdkEvent *event, - gint model_col, - gint view_col, - gint row, - ECellFlags flags, - ECellActions *actions) -{ - ECellToggleView *toggle_view = (ECellToggleView *) ecell_view; - gpointer _value = e_table_model_value_at ( - ecell_view->e_table_model, model_col, row); - const gint value = GPOINTER_TO_INT (_value); - - switch (event->type) { - case GDK_KEY_PRESS: - if (event->key.keyval != GDK_KEY_space) - return FALSE; - /* Fall through */ - case GDK_BUTTON_PRESS: - if (!e_table_model_is_cell_editable ( - ecell_view->e_table_model, model_col, row)) - return FALSE; - - etog_set_value ( - toggle_view, model_col, view_col, row, value + 1); - - return TRUE; - - default: - return FALSE; - } -} - -static gint -cell_toggle_height (ECellView *ecell_view, - gint model_col, - gint view_col, - gint row) -{ - ECellTogglePrivate *priv; - - priv = E_CELL_TOGGLE_GET_PRIVATE (ecell_view->ecell); - - return priv->height; -} - -static void -cell_toggle_print (ECellView *ecell_view, - GtkPrintContext *context, - gint model_col, - gint view_col, - gint row, - gdouble width, - gdouble height) -{ - ECellTogglePrivate *priv; - GdkPixbuf *image; - gdouble image_width, image_height; - const gint value = GPOINTER_TO_INT ( - e_table_model_value_at (ecell_view->e_table_model, model_col, row)); - - cairo_t *cr; - - priv = E_CELL_TOGGLE_GET_PRIVATE (ecell_view->ecell); - - if (value >= priv->pixbufs->len) - return; - - image = g_ptr_array_index (priv->pixbufs, value); - if (image) { - cr = gtk_print_context_get_cairo_context (context); - cairo_save (cr); - cairo_translate (cr, 0 , 0); - image = gdk_pixbuf_add_alpha (image, TRUE, 255, 255, 255); - image_width = (gdouble) gdk_pixbuf_get_width (image); - image_height = (gdouble) gdk_pixbuf_get_height (image); - cairo_rectangle ( - cr, - image_width / 7, - image_height / 3, - image_width - image_width / 4, - image_width - image_height / 7); - cairo_clip (cr); - gdk_cairo_set_source_pixbuf (cr, image, 0, image_height / 4); - cairo_paint (cr); - cairo_restore (cr); - } -} - -static gdouble -cell_toggle_print_height (ECellView *ecell_view, - GtkPrintContext *context, - gint model_col, - gint view_col, - gint row, - gdouble width) -{ - ECellTogglePrivate *priv; - - priv = E_CELL_TOGGLE_GET_PRIVATE (ecell_view->ecell); - - return priv->height; -} - -static gint -cell_toggle_max_width (ECellView *ecell_view, - gint model_col, - gint view_col) -{ - ECellTogglePrivate *priv; - gint max_width = 0; - gint number_of_rows; - gint row; - - priv = E_CELL_TOGGLE_GET_PRIVATE (ecell_view->ecell); - - number_of_rows = e_table_model_row_count (ecell_view->e_table_model); - for (row = 0; row < number_of_rows; row++) { - GdkPixbuf *pixbuf; - gpointer value; - - value = e_table_model_value_at ( - ecell_view->e_table_model, model_col, row); - pixbuf = g_ptr_array_index ( - priv->pixbufs, GPOINTER_TO_INT (value)); - - max_width = MAX (max_width, gdk_pixbuf_get_width (pixbuf)); - } - - return max_width; -} - -static void -e_cell_toggle_class_init (ECellToggleClass *class) -{ - GObjectClass *object_class; - ECellClass *cell_class; - - g_type_class_add_private (class, sizeof (ECellTogglePrivate)); - - object_class = G_OBJECT_CLASS (class); - object_class->dispose = cell_toggle_dispose; - object_class->finalize = cell_toggle_finalize; - - cell_class = E_CELL_CLASS (class); - cell_class->new_view = cell_toggle_new_view; - cell_class->kill_view = cell_toggle_kill_view; - cell_class->draw = cell_toggle_draw; - cell_class->event = cell_toggle_event; - cell_class->height = cell_toggle_height; - cell_class->print = cell_toggle_print; - cell_class->print_height = cell_toggle_print_height; - cell_class->max_width = cell_toggle_max_width; - - gal_a11y_e_cell_registry_add_cell_type ( - NULL, E_TYPE_CELL_TOGGLE, gal_a11y_e_cell_toggle_new); -} - -static void -e_cell_toggle_init (ECellToggle *cell_toggle) -{ - cell_toggle->priv = E_CELL_TOGGLE_GET_PRIVATE (cell_toggle); - - cell_toggle->priv->empty = - gdk_pixbuf_new_from_xpm_data (empty_xpm); - - cell_toggle->priv->pixbufs = - g_ptr_array_new_with_free_func (g_object_unref); -} - -/** - * e_cell_toggle_construct: - * @cell_toggle: a fresh ECellToggle object - * @icon_names: array of icon names, some of which may be %NULL - * @n_icon_names: length of the @icon_names array - * - * Constructs the @cell_toggle object with the @icon_names and @n_icon_names - * arguments. - */ -void -e_cell_toggle_construct (ECellToggle *cell_toggle, - const gchar **icon_names, - guint n_icon_names) -{ - guint ii; - - g_return_if_fail (E_IS_CELL_TOGGLE (cell_toggle)); - g_return_if_fail (icon_names != NULL); - g_return_if_fail (n_icon_names > 0); - - cell_toggle->priv->icon_names = g_new (gchar *, n_icon_names); - cell_toggle->priv->n_icon_names = n_icon_names; - - for (ii = 0; ii < n_icon_names; ii++) - cell_toggle->priv->icon_names[ii] = g_strdup (icon_names[ii]); - - cell_toggle_load_icons (cell_toggle); -} - -/** - * e_cell_toggle_new: - * @icon_names: array of icon names, some of which may be %NULL - * @n_icon_names: length of the @icon_names array - * - * Creates a new ECell renderer that can be used to render toggle - * buttons with the icons specified in @icon_names. The value returned - * by ETableModel::get_value is typecast into an integer and clamped - * to the [0..n_icon_names) range. That will select the image rendered. - * - * %NULL elements in @icon_names will show no icon for the corresponding - * integer value. - * - * Returns: an ECell object that can be used to render multi-state - * toggle cells. - */ -ECell * -e_cell_toggle_new (const gchar **icon_names, - guint n_icon_names) -{ - ECellToggle *cell_toggle; - - g_return_val_if_fail (icon_names != NULL, NULL); - g_return_val_if_fail (n_icon_names > 0, NULL); - - cell_toggle = g_object_new (E_TYPE_CELL_TOGGLE, NULL); - e_cell_toggle_construct (cell_toggle, icon_names, n_icon_names); - - return (ECell *) cell_toggle; -} - -GPtrArray * -e_cell_toggle_get_pixbufs (ECellToggle *cell_toggle) -{ - g_return_val_if_fail (E_IS_CELL_TOGGLE (cell_toggle), NULL); - - return cell_toggle->priv->pixbufs; -} |