tools/gtk_clipboard_dump/gtk_clipboard_dump.cc

   1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include <gtk/gtk.h>
   6 #include <stdio.h>
   7 #include <string.h>
   8
   9 namespace {
  10
  11 void PrintClipboardContents(GtkClipboard* clip) {
  12   GdkAtom* targets;
  13   int num_targets = 0;
  14
  15   // This call is bugged, the cache it checks is often stale; see
  16   // <http://bugzilla.gnome.org/show_bug.cgi?id=557315>.
  17   // gtk_clipboard_wait_for_targets(clip, &targets, &num_targets);
  18
  19   GtkSelectionData* target_data =
  20       gtk_clipboard_wait_for_contents(clip,
  21                                       gdk_atom_intern("TARGETS", false));
  22   if (!target_data) {
  23     printf("failed to get the contents!\n");
  24     return;
  25   }
  26
  27   gtk_selection_data_get_targets(target_data, &targets, &num_targets);
  28
  29   printf("%d available targets:\n---------------\n", num_targets);
  30
  31   for (int i = 0; i < num_targets; i++) {
  32     printf("  [format: %s", gdk_atom_name(targets[i]));
  33     GtkSelectionData* data = gtk_clipboard_wait_for_contents(clip, targets[i]);
  34     if (!data) {
  35       printf("]: NULL\n\n");
  36       continue;
  37     }
  38
  39     printf(" / length: %d / bits %d]: ", data->length, data->format);
  40
  41     if (strstr(gdk_atom_name(targets[i]), "image")) {
  42       printf("(image omitted)\n\n");
  43       continue;
  44     } else if (strstr(gdk_atom_name(targets[i]), "TIMESTAMP")) {
  45       // TODO(estade): Print the time stamp in human readable format.
  46       printf("(time omitted)\n\n");
  47       continue;
  48     }
  49
  50     for (int j = 0; j < data->length; j++) {
  51       // Output data one byte at a time. Currently wide strings look
  52       // pretty weird.
  53       printf("%c", (data->data[j] == 0 ? '_' : data->data[j]));
  54     }
  55     printf("\n\n");
  56   }
  57
  58   if (num_targets <= 0) {
  59     printf("No targets advertised. Text is: ");
  60     gchar* text = gtk_clipboard_wait_for_text(clip);
  61     printf("%s\n", text ? text : "NULL");
  62     g_free(text);
  63   }
  64
  65   g_free(targets);
  66 }
  67
  68 }
  69
  70 /* Small program to dump the contents of GTK's clipboards to the terminal.
  71  * Feel free to add to it or improve formatting or whatnot.
  72  */
  73 int main(int argc, char* argv[]) {
  74   gtk_init(&argc, &argv);
  75
  76   printf("Desktop clipboard\n");
  77   PrintClipboardContents(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD));
  78
  79   printf("X clipboard\n");
  80   PrintClipboardContents(gtk_clipboard_get(GDK_SELECTION_PRIMARY));
  81 }