diff options
Diffstat (limited to 'widgets/table/e-table-field-chooser-item.c')
| -rw-r--r-- | widgets/table/e-table-field-chooser-item.c | 751 |
1 files changed, 0 insertions, 751 deletions
diff --git a/widgets/table/e-table-field-chooser-item.c b/widgets/table/e-table-field-chooser-item.c deleted file mode 100644 index 3c6c33cdcf..0000000000 --- a/widgets/table/e-table-field-chooser-item.c +++ /dev/null @@ -1,751 +0,0 @@ -/* - * 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: - * Chris Lahey <clahey@ximian.com> - * - * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) - * - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <string.h> - -#include <gtk/gtk.h> -#include <libgnomecanvas/libgnomecanvas.h> -#include <gdk-pixbuf/gdk-pixbuf.h> - -#include <glib/gi18n.h> -#include "e-util/e-util.h" -#include "libevolution-utils/e-xml-utils.h" -#include "misc/e-canvas.h" - -#include "e-table-col-dnd.h" -#include "e-table-defines.h" -#include "e-table-field-chooser-item.h" -#include "e-table-header-utils.h" -#include "e-table-header.h" - -#define d(x) - -#if 0 -enum { - BUTTON_PRESSED, - LAST_SIGNAL -}; - -static guint etfci_signals[LAST_SIGNAL] = { 0, }; -#endif - -/* workaround for avoiding API breakage */ -#define etfci_get_type e_table_field_chooser_item_get_type -G_DEFINE_TYPE (ETableFieldChooserItem, etfci, GNOME_TYPE_CANVAS_ITEM) - -static void etfci_drop_table_header (ETableFieldChooserItem *etfci); -static void etfci_drop_full_header (ETableFieldChooserItem *etfci); - -enum { - PROP_0, - PROP_FULL_HEADER, - PROP_HEADER, - PROP_DND_CODE, - PROP_WIDTH, - PROP_HEIGHT -}; - -static void -etfci_dispose (GObject *object) -{ - ETableFieldChooserItem *etfci = E_TABLE_FIELD_CHOOSER_ITEM (object); - - etfci_drop_table_header (etfci); - etfci_drop_full_header (etfci); - - if (etfci->combined_header) - g_object_unref (etfci->combined_header); - etfci->combined_header = NULL; - - if (etfci->font_desc) - pango_font_description_free (etfci->font_desc); - etfci->font_desc = NULL; - - /* Chain up to parent's dispose() method. */ - G_OBJECT_CLASS (etfci_parent_class)->dispose (object); -} - -static gint -etfci_find_button (ETableFieldChooserItem *etfci, - gdouble loc) -{ - gint i; - gint count; - gdouble height = 0; - - count = e_table_header_count (etfci->combined_header); - for (i = 0; i < count; i++) { - ETableCol *ecol; - - ecol = e_table_header_get_column (etfci->combined_header, i); - if (ecol->disabled) - continue; - height += e_table_header_compute_height ( - ecol, GTK_WIDGET (GNOME_CANVAS_ITEM (etfci)->canvas)); - if (height > loc) - return i; - } - return MAX (0, count - 1); -} - -static void -etfci_rebuild_combined (ETableFieldChooserItem *etfci) -{ - gint count; - GHashTable *hash; - gint i; - - if (etfci->combined_header != NULL) - g_object_unref (etfci->combined_header); - - etfci->combined_header = e_table_header_new (); - - hash = g_hash_table_new (NULL, NULL); - - count = e_table_header_count (etfci->header); - for (i = 0; i < count; i++) { - ETableCol *ecol = e_table_header_get_column (etfci->header, i); - if (ecol->disabled) - continue; - g_hash_table_insert ( - hash, GINT_TO_POINTER (ecol->col_idx), - GINT_TO_POINTER (1)); - } - - count = e_table_header_count (etfci->full_header); - for (i = 0; i < count; i++) { - ETableCol *ecol = e_table_header_get_column (etfci->full_header, i); - if (ecol->disabled) - continue; - if (!(GPOINTER_TO_INT (g_hash_table_lookup ( - hash, GINT_TO_POINTER (ecol->col_idx))))) - e_table_header_add_column (etfci->combined_header, ecol, -1); - } - - g_hash_table_destroy (hash); -} - -static void -etfci_reflow (GnomeCanvasItem *item, - gint flags) -{ - ETableFieldChooserItem *etfci = E_TABLE_FIELD_CHOOSER_ITEM (item); - gdouble old_height; - gint i; - gint count; - gdouble height = 0; - - etfci_rebuild_combined (etfci); - - old_height = etfci->height; - - count = e_table_header_count (etfci->combined_header); - for (i = 0; i < count; i++) { - ETableCol *ecol; - - ecol = e_table_header_get_column (etfci->combined_header, i); - if (ecol->disabled) - continue; - height += e_table_header_compute_height ( - ecol, GTK_WIDGET (GNOME_CANVAS_ITEM (etfci)->canvas)); - } - - etfci->height = height; - - if (old_height != etfci->height) - e_canvas_item_request_parent_reflow (item); - - gnome_canvas_item_request_update (item); -} - -static void -etfci_update (GnomeCanvasItem *item, - const cairo_matrix_t *i2c, - gint flags) -{ - ETableFieldChooserItem *etfci = E_TABLE_FIELD_CHOOSER_ITEM (item); - gdouble x1, y1, x2, y2; - - if (GNOME_CANVAS_ITEM_CLASS (etfci_parent_class)->update) - GNOME_CANVAS_ITEM_CLASS (etfci_parent_class)->update ( - item, i2c, flags); - - x1 = y1 = 0; - x2 = etfci->width; - y2 = etfci->height; - - gnome_canvas_matrix_transform_rect (i2c, &x1, &y1, &x2, &y2); - - if (item->x1 != x1 || - item->y1 != y1 || - item->x2 != x2 || - item->y2 != y2) - { - gnome_canvas_request_redraw ( - item->canvas, item->x1, - item->y1, item->x2, item->y2); - item->x1 = x1; - item->y1 = y1; - item->x2 = x2; - item->y2 = y2; -/* FIXME: Group Child bounds !? */ -#if 0 - gnome_canvas_group_child_bounds ( - GNOME_CANVAS_GROUP (item->parent), item); -#endif - } - gnome_canvas_request_redraw ( - item->canvas, item->x1, item->y1, item->x2, item->y2); -} - -static void -etfci_font_load (ETableFieldChooserItem *etfci) -{ - GtkWidget *widget; - GtkStyle *style; - - if (etfci->font_desc) - pango_font_description_free (etfci->font_desc); - - widget = GTK_WIDGET (GNOME_CANVAS_ITEM (etfci)->canvas); - style = gtk_widget_get_style (widget); - etfci->font_desc = pango_font_description_copy (style->font_desc); -} - -static void -etfci_drop_full_header (ETableFieldChooserItem *etfci) -{ - GObject *header; - - if (!etfci->full_header) - return; - - header = G_OBJECT (etfci->full_header); - if (etfci->full_header_structure_change_id) - g_signal_handler_disconnect ( - header, etfci->full_header_structure_change_id); - if (etfci->full_header_dimension_change_id) - g_signal_handler_disconnect ( - header, etfci->full_header_dimension_change_id); - etfci->full_header_structure_change_id = 0; - etfci->full_header_dimension_change_id = 0; - - if (header) - g_object_unref (header); - etfci->full_header = NULL; - etfci->height = 0; - e_canvas_item_request_reflow (GNOME_CANVAS_ITEM (etfci)); -} - -static void -full_header_structure_changed (ETableHeader *header, - ETableFieldChooserItem *etfci) -{ - e_canvas_item_request_reflow (GNOME_CANVAS_ITEM (etfci)); -} - -static void -full_header_dimension_changed (ETableHeader *header, - gint col, - ETableFieldChooserItem *etfci) -{ - e_canvas_item_request_reflow (GNOME_CANVAS_ITEM (etfci)); -} - -static void -etfci_add_full_header (ETableFieldChooserItem *etfci, - ETableHeader *header) -{ - etfci->full_header = header; - g_object_ref (etfci->full_header); - - etfci->full_header_structure_change_id = g_signal_connect ( - header, "structure_change", - G_CALLBACK (full_header_structure_changed), etfci); - etfci->full_header_dimension_change_id = g_signal_connect ( - header, "dimension_change", - G_CALLBACK (full_header_dimension_changed), etfci); - e_canvas_item_request_reflow (GNOME_CANVAS_ITEM (etfci)); -} - -static void -etfci_drop_table_header (ETableFieldChooserItem *etfci) -{ - GObject *header; - - if (!etfci->header) - return; - - header = G_OBJECT (etfci->header); - if (etfci->table_header_structure_change_id) - g_signal_handler_disconnect ( - header, etfci->table_header_structure_change_id); - if (etfci->table_header_dimension_change_id) - g_signal_handler_disconnect ( - header, etfci->table_header_dimension_change_id); - etfci->table_header_structure_change_id = 0; - etfci->table_header_dimension_change_id = 0; - - if (header) - g_object_unref (header); - etfci->header = NULL; - etfci->height = 0; - e_canvas_item_request_reflow (GNOME_CANVAS_ITEM (etfci)); -} - -static void -table_header_structure_changed (ETableHeader *header, - ETableFieldChooserItem *etfci) -{ - e_canvas_item_request_reflow (GNOME_CANVAS_ITEM (etfci)); -} - -static void -table_header_dimension_changed (ETableHeader *header, - gint col, - ETableFieldChooserItem *etfci) -{ - e_canvas_item_request_reflow (GNOME_CANVAS_ITEM (etfci)); -} - -static void -etfci_add_table_header (ETableFieldChooserItem *etfci, - ETableHeader *header) -{ - etfci->header = header; - g_object_ref (etfci->header); - - etfci->table_header_structure_change_id = g_signal_connect ( - header, "structure_change", - G_CALLBACK (table_header_structure_changed), etfci); - etfci->table_header_dimension_change_id = g_signal_connect ( - header, "dimension_change", - G_CALLBACK (table_header_dimension_changed), etfci); - e_canvas_item_request_reflow (GNOME_CANVAS_ITEM (etfci)); -} - -static void -etfci_set_property (GObject *object, - guint property_id, - const GValue *value, - GParamSpec *pspec) -{ - GnomeCanvasItem *item; - ETableFieldChooserItem *etfci; - - item = GNOME_CANVAS_ITEM (object); - etfci = E_TABLE_FIELD_CHOOSER_ITEM (object); - - switch (property_id) { - case PROP_FULL_HEADER: - etfci_drop_full_header (etfci); - if (g_value_get_object (value)) - etfci_add_full_header ( - etfci, E_TABLE_HEADER ( - g_value_get_object (value))); - break; - - case PROP_HEADER: - etfci_drop_table_header (etfci); - if (g_value_get_object (value)) - etfci_add_table_header ( - etfci, E_TABLE_HEADER ( - g_value_get_object (value))); - break; - - case PROP_DND_CODE: - g_free (etfci->dnd_code); - etfci->dnd_code = g_strdup (g_value_get_string (value)); - break; - - case PROP_WIDTH: - etfci->width = g_value_get_double (value); - gnome_canvas_item_request_update (item); - break; - } -} - -static void -etfci_get_property (GObject *object, - guint property_id, - GValue *value, - GParamSpec *pspec) -{ - ETableFieldChooserItem *etfci; - - etfci = E_TABLE_FIELD_CHOOSER_ITEM (object); - - switch (property_id) { - - case PROP_DND_CODE: - g_value_set_string (value, etfci->dnd_code); - break; - case PROP_WIDTH: - g_value_set_double (value, etfci->width); - break; - case PROP_HEIGHT: - g_value_set_double (value, etfci->height); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); - break; - } -} - -static void -etfci_drag_data_get (GtkWidget *widget, - GdkDragContext *context, - GtkSelectionData *selection_data, - guint info, - guint time, - ETableFieldChooserItem *etfci) -{ - if (etfci->drag_col != -1) { - gchar *string = g_strdup_printf ("%d", etfci->drag_col); - gtk_selection_data_set ( - selection_data, - GDK_SELECTION_TYPE_STRING, - sizeof (string[0]), - (guchar *) string, - strlen (string)); - g_free (string); - } -} - -static void -etfci_drag_end (GtkWidget *canvas, - GdkDragContext *context, - ETableFieldChooserItem *etfci) -{ - etfci->drag_col = -1; -} - -static void -etfci_realize (GnomeCanvasItem *item) -{ - ETableFieldChooserItem *etfci = E_TABLE_FIELD_CHOOSER_ITEM (item); - - if (GNOME_CANVAS_ITEM_CLASS (etfci_parent_class)-> realize) - (*GNOME_CANVAS_ITEM_CLASS (etfci_parent_class)->realize)(item); - - if (!etfci->font_desc) - etfci_font_load (etfci); - - etfci->drag_end_id = g_signal_connect ( - item->canvas, "drag_end", - G_CALLBACK (etfci_drag_end), etfci); - etfci->drag_data_get_id = g_signal_connect ( - item->canvas, "drag_data_get", - G_CALLBACK (etfci_drag_data_get), etfci); - e_canvas_item_request_reflow (GNOME_CANVAS_ITEM (etfci)); -} - -static void -etfci_unrealize (GnomeCanvasItem *item) -{ - ETableFieldChooserItem *etfci = E_TABLE_FIELD_CHOOSER_ITEM (item); - - if (etfci->font_desc) - pango_font_description_free (etfci->font_desc); - etfci->font_desc = NULL; - - g_signal_handler_disconnect (item->canvas, etfci->drag_end_id); - etfci->drag_end_id = 0; - g_signal_handler_disconnect (item->canvas, etfci->drag_data_get_id); - etfci->drag_data_get_id = 0; - - if (GNOME_CANVAS_ITEM_CLASS (etfci_parent_class)->unrealize) - (*GNOME_CANVAS_ITEM_CLASS (etfci_parent_class)->unrealize)(item); -} - -static void -etfci_draw (GnomeCanvasItem *item, - cairo_t *cr, - gint x, - gint y, - gint width, - gint height) -{ - ETableFieldChooserItem *etfci = E_TABLE_FIELD_CHOOSER_ITEM (item); - GnomeCanvas *canvas = item->canvas; - gint rows; - gint y1, y2; - gint row; - - if (etfci->combined_header == NULL) - return; - - rows = e_table_header_count (etfci->combined_header); - - y1 = y2 = 0; - for (row = 0; row < rows; row++, y1 = y2) { - ETableCol *ecol; - - ecol = e_table_header_get_column (etfci->combined_header, row); - - if (ecol->disabled) - continue; - - y2 += e_table_header_compute_height (ecol, GTK_WIDGET (canvas)); - - if (y1 > (y + height)) - break; - - if (y2 < y) - continue; - - cairo_save (cr); - - e_table_header_draw_button ( - cr, ecol, - GTK_WIDGET (canvas), - -x, y1 - y, - width, height, - etfci->width, y2 - y1, - E_TABLE_COL_ARROW_NONE); - - cairo_restore (cr); - } -} - -static GnomeCanvasItem * -etfci_point (GnomeCanvasItem *item, - gdouble x, - gdouble y, - gint cx, - gint cy) -{ - return item; -} - -static gboolean -etfci_maybe_start_drag (ETableFieldChooserItem *etfci, - gint x, - gint y) -{ - if (!etfci->maybe_drag) - return FALSE; - - if (MAX (abs (etfci->click_x - x), - abs (etfci->click_y - y)) <= 3) - return FALSE; - - return TRUE; -} - -static void -etfci_start_drag (ETableFieldChooserItem *etfci, - GdkEvent *event, - gdouble x, - gdouble y) -{ - GtkWidget *widget = GTK_WIDGET (GNOME_CANVAS_ITEM (etfci)->canvas); - GtkTargetList *list; - GdkDragContext *context; - ETableCol *ecol; - cairo_surface_t *cs; - cairo_t *cr; - gint drag_col; - gint button_height; - - GtkTargetEntry etfci_drag_types[] = { - { (gchar *) TARGET_ETABLE_COL_TYPE, 0, TARGET_ETABLE_COL_HEADER }, - }; - - if (etfci->combined_header == NULL) - return; - - drag_col = etfci_find_button (etfci, y); - - if (drag_col < 0 || drag_col > e_table_header_count (etfci->combined_header)) - return; - - ecol = e_table_header_get_column (etfci->combined_header, drag_col); - - if (ecol->disabled) - return; - - etfci->drag_col = ecol->col_idx; - - etfci_drag_types[0].target = g_strdup_printf ( - "%s-%s", etfci_drag_types[0].target, etfci->dnd_code); - d (g_print ("etfci - %s\n", etfci_drag_types[0].target)); - list = gtk_target_list_new (etfci_drag_types, G_N_ELEMENTS (etfci_drag_types)); - context = gtk_drag_begin (widget, list, GDK_ACTION_MOVE, 1, event); - g_free ((gpointer) etfci_drag_types[0].target); - - button_height = e_table_header_compute_height (ecol, widget); - cs = cairo_image_surface_create ( - CAIRO_FORMAT_ARGB32, - etfci->width, button_height); - cr = cairo_create (cs); - - e_table_header_draw_button ( - cr, ecol, - widget, 0, 0, - etfci->width, button_height, - etfci->width, button_height, - E_TABLE_COL_ARROW_NONE); - - gtk_drag_set_icon_surface (context, cs); - - cairo_surface_destroy (cs); - cairo_destroy (cr); - etfci->maybe_drag = FALSE; -} - -/* - * Handles the events on the ETableFieldChooserItem - */ -static gint -etfci_event (GnomeCanvasItem *item, - GdkEvent *e) -{ - ETableFieldChooserItem *etfci = E_TABLE_FIELD_CHOOSER_ITEM (item); - GnomeCanvas *canvas = item->canvas; - gint x, y; - - switch (e->type) { - case GDK_MOTION_NOTIFY: - gnome_canvas_w2c (canvas, e->motion.x, e->motion.y, &x, &y); - - if (etfci_maybe_start_drag (etfci, x, y)) - etfci_start_drag (etfci, e, x, y); - break; - - case GDK_BUTTON_PRESS: - gnome_canvas_w2c (canvas, e->button.x, e->button.y, &x, &y); - - if (e->button.button == 1) { - etfci->click_x = x; - etfci->click_y = y; - etfci->maybe_drag = TRUE; - } - break; - - case GDK_BUTTON_RELEASE: { - etfci->maybe_drag = FALSE; - break; - } - - default: - return FALSE; - } - return TRUE; -} - -static void -etfci_class_init (ETableFieldChooserItemClass *class) -{ - GnomeCanvasItemClass *item_class = GNOME_CANVAS_ITEM_CLASS (class); - GObjectClass *object_class = G_OBJECT_CLASS (class); - - object_class->dispose = etfci_dispose; - object_class->set_property = etfci_set_property; - object_class->get_property = etfci_get_property; - - item_class->update = etfci_update; - item_class->realize = etfci_realize; - item_class->unrealize = etfci_unrealize; - item_class->draw = etfci_draw; - item_class->point = etfci_point; - item_class->event = etfci_event; - - g_object_class_install_property ( - object_class, - PROP_DND_CODE, - g_param_spec_string ( - "dnd_code", - "DnD code", - NULL, - NULL, - G_PARAM_READWRITE)); - - g_object_class_install_property ( - object_class, - PROP_FULL_HEADER, - g_param_spec_object ( - "full_header", - "Full Header", - NULL, - E_TYPE_TABLE_HEADER, - G_PARAM_READWRITE)); - - g_object_class_install_property ( - object_class, - PROP_HEADER, - g_param_spec_object ( - "header", - "Header", - NULL, - E_TYPE_TABLE_HEADER, - G_PARAM_READWRITE)); - - g_object_class_install_property ( - object_class, - PROP_WIDTH, - g_param_spec_double ( - "width", - "Width", - NULL, - 0, G_MAXDOUBLE, 0, - G_PARAM_READWRITE)); - - g_object_class_install_property ( - object_class, - PROP_HEIGHT, - g_param_spec_double ( - "height", - "Height", - NULL, - 0, G_MAXDOUBLE, 0, - G_PARAM_READABLE)); -} - -static void -etfci_init (ETableFieldChooserItem *etfci) -{ - etfci->full_header = NULL; - etfci->header = NULL; - etfci->combined_header = NULL; - - etfci->height = etfci->width = 0; - - etfci->font_desc = NULL; - - etfci->full_header_structure_change_id = 0; - etfci->full_header_dimension_change_id = 0; - etfci->table_header_structure_change_id = 0; - etfci->table_header_dimension_change_id = 0; - - etfci->dnd_code = NULL; - - etfci->maybe_drag = 0; - etfci->drag_end_id = 0; - - e_canvas_item_set_reflow_callback (GNOME_CANVAS_ITEM (etfci), etfci_reflow); -} - |