2 * Copyright (C) 2004 Red Hat, Inc.
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
23 drag_begin (GtkWidget *widget,
24 GdkDragContext *context,
27 GtkWidget *image = GTK_WIDGET (data);
29 GdkPixbuf *pixbuf = gtk_image_get_pixbuf (GTK_IMAGE (image));
31 gtk_drag_set_icon_pixbuf (context, pixbuf, -2, -2);
35 drag_data_get (GtkWidget *widget,
36 GdkDragContext *context,
37 GtkSelectionData *selection_data,
42 GtkWidget *image = GTK_WIDGET (data);
44 GdkPixbuf *pixbuf = gtk_image_get_pixbuf (GTK_IMAGE (image));
46 gtk_selection_data_set_pixbuf (selection_data, pixbuf);
50 drag_data_received (GtkWidget *widget,
51 GdkDragContext *context,
54 GtkSelectionData *selection_data,
59 GtkWidget *image = GTK_WIDGET (data);
63 if (selection_data->length < 0)
66 pixbuf = gtk_selection_data_get_pixbuf (selection_data);
68 gtk_image_set_from_pixbuf (GTK_IMAGE (image), pixbuf);
72 idle_func (gpointer data)
74 g_print ("keep me busy\n");
80 anim_image_expose (GtkWidget *widget,
81 GdkEventExpose *eevent,
84 g_print ("start busyness\n");
86 g_signal_handlers_disconnect_by_func (widget, anim_image_expose, data);
88 /* produce high load */
89 g_idle_add_full (G_PRIORITY_DEFAULT,
90 idle_func, NULL, NULL);
96 main (int argc, char **argv)
98 GtkWidget *window, *table;
99 GtkWidget *label, *image, *box;
103 GtkIconSource *iconsource;
104 gchar *icon_name = "gnome-terminal";
105 gchar *anim_filename = NULL;
107 gtk_init (&argc, &argv);
113 anim_filename = argv[2];
115 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
116 table = gtk_table_new (6, 3, FALSE);
117 gtk_container_add (GTK_CONTAINER (window), table);
119 label = gtk_label_new ("symbolic size");
120 gtk_table_attach (GTK_TABLE (table), label, 1, 2, 0, 1,
122 label = gtk_label_new ("fixed size");
123 gtk_table_attach (GTK_TABLE (table), label, 2, 3, 0, 1,
126 label = gtk_label_new ("GTK_IMAGE_PIXBUF");
127 gtk_table_attach_defaults (GTK_TABLE (table), label, 0, 1, 1, 2);
129 theme = gtk_icon_theme_get_default ();
130 pixbuf = gtk_icon_theme_load_icon (theme, icon_name, 48, 0, NULL);
131 image = gtk_image_new_from_pixbuf (pixbuf);
132 box = gtk_event_box_new ();
133 gtk_container_add (GTK_CONTAINER (box), image);
134 gtk_table_attach_defaults (GTK_TABLE (table), box, 2, 3, 1, 2);
136 gtk_drag_source_set (box, GDK_BUTTON1_MASK,
139 gtk_drag_source_add_image_targets (box);
140 g_signal_connect (box, "drag_begin", G_CALLBACK (drag_begin), image);
141 g_signal_connect (box, "drag_data_get", G_CALLBACK (drag_data_get), image);
143 gtk_drag_dest_set (box,
144 GTK_DEST_DEFAULT_MOTION |
145 GTK_DEST_DEFAULT_HIGHLIGHT |
146 GTK_DEST_DEFAULT_DROP,
147 NULL, 0, GDK_ACTION_COPY);
148 gtk_drag_dest_add_image_targets (box);
149 g_signal_connect (box, "drag_data_received",
150 G_CALLBACK (drag_data_received), image);
152 label = gtk_label_new ("GTK_IMAGE_STOCK");
153 gtk_table_attach_defaults (GTK_TABLE (table), label, 0, 1, 2, 3);
155 image = gtk_image_new_from_stock (GTK_STOCK_REDO, GTK_ICON_SIZE_DIALOG);
156 gtk_table_attach_defaults (GTK_TABLE (table), image, 1, 2, 2, 3);
158 label = gtk_label_new ("GTK_IMAGE_ICON_SET");
159 gtk_table_attach_defaults (GTK_TABLE (table), label, 0, 1, 3, 4);
161 iconsource = gtk_icon_source_new ();
162 gtk_icon_source_set_icon_name (iconsource, icon_name);
163 iconset = gtk_icon_set_new ();
164 gtk_icon_set_add_source (iconset, iconsource);
165 image = gtk_image_new_from_icon_set (iconset, GTK_ICON_SIZE_DIALOG);
166 gtk_table_attach_defaults (GTK_TABLE (table), image, 1, 2, 3, 4);
168 label = gtk_label_new ("GTK_IMAGE_ICON_NAME");
169 gtk_table_attach_defaults (GTK_TABLE (table), label, 0, 1, 4, 5);
170 image = gtk_image_new_from_icon_name (icon_name, GTK_ICON_SIZE_DIALOG);
171 gtk_table_attach_defaults (GTK_TABLE (table), image, 1, 2, 4, 5);
172 image = gtk_image_new_from_icon_name (icon_name, GTK_ICON_SIZE_DIALOG);
173 gtk_image_set_pixel_size (GTK_IMAGE (image), 30);
174 gtk_table_attach_defaults (GTK_TABLE (table), image, 2, 3, 4, 5);
178 label = gtk_label_new ("GTK_IMAGE_ANIMATION (from file)");
179 gtk_table_attach_defaults (GTK_TABLE (table), label, 0, 1, 5, 6);
180 image = gtk_image_new_from_file (anim_filename);
181 gtk_image_set_pixel_size (GTK_IMAGE (image), 30);
182 gtk_table_attach_defaults (GTK_TABLE (table), image, 2, 3, 5, 6);
184 /* produce high load */
185 g_signal_connect_after (image, "expose-event",
186 G_CALLBACK (anim_image_expose),
190 gtk_widget_show_all (window);