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, see <http://www.gnu.org/licenses/>.
22 drag_begin (GtkWidget *widget,
23 GdkDragContext *context,
26 GtkWidget *image = GTK_WIDGET (data);
28 GdkPixbuf *pixbuf = gtk_image_get_pixbuf (GTK_IMAGE (image));
30 gtk_drag_set_icon_pixbuf (context, pixbuf, -2, -2);
34 drag_data_get (GtkWidget *widget,
35 GdkDragContext *context,
36 GtkSelectionData *selection_data,
41 GtkWidget *image = GTK_WIDGET (data);
43 GdkPixbuf *pixbuf = gtk_image_get_pixbuf (GTK_IMAGE (image));
45 gtk_selection_data_set_pixbuf (selection_data, pixbuf);
49 drag_data_received (GtkWidget *widget,
50 GdkDragContext *context,
53 GtkSelectionData *selection_data,
58 GtkWidget *image = GTK_WIDGET (data);
62 if (gtk_selection_data_get_length (selection_data) < 0)
65 pixbuf = gtk_selection_data_get_pixbuf (selection_data);
67 gtk_image_set_from_pixbuf (GTK_IMAGE (image), pixbuf);
71 idle_func (gpointer data)
73 g_print ("keep me busy\n");
75 return G_SOURCE_CONTINUE;
79 anim_image_draw (GtkWidget *widget,
83 g_print ("start busyness\n");
85 g_signal_handlers_disconnect_by_func (widget, anim_image_draw, data);
87 /* produce high load */
88 g_idle_add_full (G_PRIORITY_DEFAULT,
89 idle_func, NULL, NULL);
95 main (int argc, char **argv)
97 GtkWidget *window, *grid;
98 GtkWidget *label, *image, *box;
102 GtkIconSource *iconsource;
103 gchar *icon_name = "gnome-terminal";
104 gchar *anim_filename = NULL;
108 gtk_init (&argc, &argv);
114 anim_filename = argv[2];
116 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
117 grid = gtk_grid_new ();
118 gtk_container_add (GTK_CONTAINER (window), grid);
120 label = gtk_label_new ("symbolic size");
121 gtk_grid_attach (GTK_GRID (grid), label, 1, 0, 1, 1);
122 label = gtk_label_new ("fixed size");
123 gtk_grid_attach (GTK_GRID (grid), label, 2, 0, 1, 1);
125 label = gtk_label_new ("GTK_IMAGE_PIXBUF");
126 gtk_grid_attach (GTK_GRID (grid), label, 0, 1, 1, 1);
128 theme = gtk_icon_theme_get_default ();
129 pixbuf = gtk_icon_theme_load_icon (theme, icon_name, 48, 0, NULL);
130 image = gtk_image_new_from_pixbuf (pixbuf);
131 box = gtk_event_box_new ();
132 gtk_container_add (GTK_CONTAINER (box), image);
133 gtk_grid_attach (GTK_GRID (grid), box, 2, 1, 1, 1);
135 gtk_drag_source_set (box, GDK_BUTTON1_MASK,
138 gtk_drag_source_add_image_targets (box);
139 g_signal_connect (box, "drag_begin", G_CALLBACK (drag_begin), image);
140 g_signal_connect (box, "drag_data_get", G_CALLBACK (drag_data_get), image);
142 gtk_drag_dest_set (box,
143 GTK_DEST_DEFAULT_MOTION |
144 GTK_DEST_DEFAULT_HIGHLIGHT |
145 GTK_DEST_DEFAULT_DROP,
146 NULL, 0, GDK_ACTION_COPY);
147 gtk_drag_dest_add_image_targets (box);
148 g_signal_connect (box, "drag_data_received",
149 G_CALLBACK (drag_data_received), image);
151 label = gtk_label_new ("GTK_IMAGE_STOCK");
152 gtk_grid_attach (GTK_GRID (grid), label, 0, 2, 1, 1);
154 image = gtk_image_new_from_stock (GTK_STOCK_REDO, GTK_ICON_SIZE_DIALOG);
155 gtk_grid_attach (GTK_GRID (grid), image, 1, 2, 1, 1);
157 label = gtk_label_new ("GTK_IMAGE_ICON_SET");
158 gtk_grid_attach (GTK_GRID (grid), label, 0, 3, 1, 1);
160 iconsource = gtk_icon_source_new ();
161 gtk_icon_source_set_icon_name (iconsource, icon_name);
162 iconset = gtk_icon_set_new ();
163 gtk_icon_set_add_source (iconset, iconsource);
164 image = gtk_image_new_from_icon_set (iconset, GTK_ICON_SIZE_DIALOG);
165 gtk_grid_attach (GTK_GRID (grid), image, 1, 3, 1, 1);
167 label = gtk_label_new ("GTK_IMAGE_ICON_NAME");
168 gtk_grid_attach (GTK_GRID (grid), label, 0, 4, 1, 1);
169 image = gtk_image_new_from_icon_name (icon_name, GTK_ICON_SIZE_DIALOG);
170 gtk_grid_attach (GTK_GRID (grid), image, 1, 4, 1, 1);
171 image = gtk_image_new_from_icon_name (icon_name, GTK_ICON_SIZE_DIALOG);
172 gtk_image_set_pixel_size (GTK_IMAGE (image), 30);
173 gtk_grid_attach (GTK_GRID (grid), image, 2, 4, 1, 1);
175 label = gtk_label_new ("GTK_IMAGE_GICON");
176 gtk_grid_attach (GTK_GRID (grid), label, 0, 5, 1, 1);
177 icon = g_themed_icon_new_with_default_fallbacks ("folder-remote");
178 image = gtk_image_new_from_gicon (icon, GTK_ICON_SIZE_DIALOG);
179 g_object_unref (icon);
180 gtk_grid_attach (GTK_GRID (grid), image, 1, 5, 1, 1);
181 file = g_file_new_for_path ("apple-red.png");
182 icon = g_file_icon_new (file);
183 image = gtk_image_new_from_gicon (icon, GTK_ICON_SIZE_DIALOG);
184 g_object_unref (icon);
185 gtk_image_set_pixel_size (GTK_IMAGE (image), 30);
186 gtk_grid_attach (GTK_GRID (grid), image, 2, 5, 1, 1);
191 label = gtk_label_new ("GTK_IMAGE_ANIMATION (from file)");
192 gtk_grid_attach (GTK_GRID (grid), label, 0, 6, 1, 1);
193 image = gtk_image_new_from_file (anim_filename);
194 gtk_image_set_pixel_size (GTK_IMAGE (image), 30);
195 gtk_grid_attach (GTK_GRID (grid), image, 2, 6, 1, 1);
197 /* produce high load */
198 g_signal_connect_after (image, "draw",
199 G_CALLBACK (anim_image_draw),
203 gtk_widget_show_all (window);