Make GTK file dialog box modal for parent window, instead of for the entire...

chrome/browser/gtk/bookmark_manager_gtk.cc

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/gtk/bookmark_manager_gtk.h"
 
 #include <vector>
 
 #include "app/l10n_util.h"
 #include "app/resource_bundle.h"
@@ skipping 310 matching lines @@
 BookmarkManagerGtk::~BookmarkManagerGtk() {
   SaveColumnConfiguration();
   model_->RemoveObserver(this);
 }
 
 void BookmarkManagerGtk::InitWidgets() {
   window_ = gtk_window_new(GTK_WINDOW_TOPLEVEL);
   gtk_window_set_title(GTK_WINDOW(window_),
       l10n_util::GetStringUTF8(IDS_BOOKMARK_MANAGER_TITLE).c_str());
 
+  // Add this window to its own unique window group to allow for
+  // window-to-parent modality.
+  gtk_window_group_add_window(gtk_window_group_new(), GTK_WINDOW(window_));
+  g_object_unref(gtk_window_get_group(GTK_WINDOW(window_)));
+
   // Set the default size of the bookmark manager.
   // Windows has code to do this that uses ChromeFont; we could share it but
   // since we don't plan to use it elsewhere it's probably not worth the effort.
   PangoContext* context = gtk_widget_create_pango_context(window_);
   PangoFontMetrics* metrics =
       pango_context_get_metrics(context, window_->style->font_desc,
                                 pango_context_get_language(context));
   double chars = 0;
   StringToDouble(WideToUTF8(l10n_util::GetString(
       IDS_BOOKMARK_MANAGER_DIALOG_WIDTH_CHARS)), &chars);
@@ skipping 890 matching lines @@
   } else if (id == IDS_BOOKMARK_MANAGER_EXPORT_MENU) {
     if (g_browser_process->io_thread()) {
       bookmark_html_writer::WriteBookmarks(
           g_browser_process->io_thread()->message_loop(), model_,
           path.ToWStringHack());
     }
   } else {
     NOTREACHED();
   }
 }