1 /*
2 * Copyright (C) 2011 Red Hat, Inc.
3 *
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.
8 *
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.
13 *
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/>.
16 */
17
18 #include <gtk/gtk.h>
19
20 GtkClipboard *clipboard;
21 GtkWidget *image;
22 GtkWidget *label;
23
24 #define SIZE 256.
25
26 static void
image_request_cb(GtkClipboard * clipboard,GdkPixbuf * pixbuf,gpointer data)27 image_request_cb (GtkClipboard *clipboard,
28 GdkPixbuf *pixbuf,
29 gpointer data)
30 {
31 GdkPixbuf *copy;
32 int height;
33 int width;
34 gdouble factor;
35 char *str;
36
37 if (pixbuf != NULL)
38 {
39 height = gdk_pixbuf_get_height (pixbuf);
40 width = gdk_pixbuf_get_width (pixbuf);
41
42 factor = MAX ((SIZE / height), (SIZE / width));
43
44 copy = gdk_pixbuf_scale_simple (pixbuf, width * factor, height * factor, GDK_INTERP_BILINEAR);
45 gtk_image_set_from_pixbuf (GTK_IMAGE (image), copy);
46 g_object_unref (copy);
47 str = g_strdup_printf ("<b>Image</b> %d \342\234\225 %d", width, height);
48 }
49 else
50 {
51 str = g_strdup ("<b>No image data</b>");
52 }
53 gtk_label_set_markup (GTK_LABEL (label), str);
54 g_free (str);
55 }
56
57 static void
update_display(void)58 update_display (void)
59 {
60 gtk_clipboard_request_image (clipboard, image_request_cb, NULL);
61 }
62
63 static void
on_owner_change(GtkClipboard * clipboard,GdkEvent * event,gpointer user_data)64 on_owner_change (GtkClipboard *clipboard,
65 GdkEvent *event,
66 gpointer user_data)
67 {
68 update_display ();
69 }
70
71 static void
on_response(GtkDialog * dialog,gint response_id,gpointer user_data)72 on_response (GtkDialog *dialog,
73 gint response_id,
74 gpointer user_data)
75 {
76 switch (response_id)
77 {
78 case 0:
79 /* copy large */
80 {
81 GtkIconTheme *theme;
82 GdkPixbuf *pixbuf;
83 theme = gtk_icon_theme_get_default ();
84 pixbuf = gtk_icon_theme_load_icon (theme, "utilities-terminal", 1600, 0, NULL);
85 g_assert_nonnull (pixbuf);
86 gtk_clipboard_set_image (clipboard, pixbuf);
87 }
88 break;
89 case 1:
90 /* copy small */
91 {
92 GtkIconTheme *theme;
93 GdkPixbuf *pixbuf;
94 theme = gtk_icon_theme_get_default ();
95 pixbuf = gtk_icon_theme_load_icon (theme, "utilities-terminal", 48, 0, NULL);
96 g_assert_nonnull (pixbuf);
97 gtk_clipboard_set_image (clipboard, pixbuf);
98 }
99 break;
100 case GTK_RESPONSE_CLOSE:
101 default:
102 gtk_main_quit ();
103 break;
104 }
105 }
106
107 int
main(int argc,char ** argv)108 main (int argc, char **argv)
109 {
110 GtkWidget *window;
111
112 gtk_init (&argc, &argv);
113
114 window = gtk_dialog_new_with_buttons ("Clipboard",
115 NULL,
116 0,
117 "Copy Large", 0,
118 "Copy Small", 1,
119 "_Close", GTK_RESPONSE_CLOSE,
120 NULL);
121
122 image = gtk_image_new ();
123 gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (window))), image, FALSE, FALSE, 0);
124 label = gtk_label_new ("No data found");
125 gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (window))), label, FALSE, FALSE, 0);
126
127 g_signal_connect (window, "response", G_CALLBACK (on_response), NULL);
128
129 clipboard = gtk_clipboard_get_for_display (gtk_widget_get_display (window),
130 GDK_SELECTION_CLIPBOARD);
131 g_signal_connect (clipboard, "owner-change", G_CALLBACK (on_owner_change), NULL);
132
133 update_display ();
134
135 gtk_widget_show_all (window);
136
137 gtk_main ();
138
139 return 0;
140 }
141