mirror of
https://gitlab.gnome.org/GNOME/gtk.git
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139 lines
3.8 KiB
C
139 lines
3.8 KiB
C
/*
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* Copyright (C) 2011 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <gtk/gtk.h>
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GtkClipboard *clipboard;
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GtkWidget *image;
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GtkWidget *label;
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#define SIZE 256.
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static void
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image_request_cb (GtkClipboard *clipboard,
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GdkPixbuf *pixbuf,
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gpointer data)
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{
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GdkPixbuf *copy;
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int height;
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int width;
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gdouble factor;
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char *str;
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if (pixbuf != NULL)
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{
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height = gdk_pixbuf_get_height (pixbuf);
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width = gdk_pixbuf_get_width (pixbuf);
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factor = MAX ((SIZE / height), (SIZE / width));
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copy = gdk_pixbuf_scale_simple (pixbuf, width * factor, height * factor, GDK_INTERP_BILINEAR);
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gtk_image_set_from_pixbuf (GTK_IMAGE (image), copy);
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g_object_unref (copy);
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str = g_strdup_printf ("<b>Image</b> %d \342\234\225 %d", width, height);
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}
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else
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{
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str = g_strdup ("<b>No image data</b>");
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}
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gtk_label_set_markup (GTK_LABEL (label), str);
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g_free (str);
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}
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static void
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update_display (void)
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{
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gtk_clipboard_request_image (clipboard, image_request_cb, NULL);
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}
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static void
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on_owner_change (GtkClipboard *clipboard,
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GdkEvent *event,
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gpointer user_data)
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{
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update_display ();
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}
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static void
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on_response (GtkDialog *dialog,
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gint response_id,
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gpointer user_data)
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{
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switch (response_id)
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{
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case 0:
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/* copy large */
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{
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GtkIconTheme *theme;
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GdkPixbuf *pixbuf;
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theme = gtk_icon_theme_get_default ();
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pixbuf = gtk_icon_theme_load_icon (theme, "terminal", 1600, 0, NULL);
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gtk_clipboard_set_image (clipboard, pixbuf);
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}
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break;
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case 1:
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/* copy small */
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{
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GtkIconTheme *theme;
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GdkPixbuf *pixbuf;
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theme = gtk_icon_theme_get_default ();
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pixbuf = gtk_icon_theme_load_icon (theme, "terminal", 48, 0, NULL);
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gtk_clipboard_set_image (clipboard, pixbuf);
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}
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break;
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case GTK_RESPONSE_CLOSE:
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default:
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gtk_main_quit ();
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break;
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}
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}
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int
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main (int argc, char **argv)
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{
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GtkWidget *window;
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gtk_init (&argc, &argv);
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window = gtk_dialog_new_with_buttons ("Clipboard",
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NULL,
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0,
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"Copy Large", 0,
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"Copy Small", 1,
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"_Close", GTK_RESPONSE_CLOSE,
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NULL);
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image = gtk_image_new ();
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gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (window))), image, FALSE, FALSE, 0);
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label = gtk_label_new ("No data found");
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gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (window))), label, FALSE, FALSE, 0);
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g_signal_connect (window, "response", G_CALLBACK (on_response), NULL);
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clipboard = gtk_clipboard_get_for_display (gtk_widget_get_display (window),
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GDK_SELECTION_CLIPBOARD);
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g_signal_connect (clipboard, "owner-change", G_CALLBACK (on_owner_change), NULL);
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update_display ();
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gtk_widget_show_all (window);
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gtk_main ();
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return 0;
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}
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