chrome/browser/ui/gtk/constrained_window_gtk.cc

   1 // Copyright (c) 2012 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 "chrome/browser/ui/gtk/constrained_window_gtk.h"
   6
   7 #include <gdk/gdkkeysyms.h>
   8
   9 #include "chrome/browser/ui/gtk/gtk_util.h"
  10 #include "ui/base/gtk/gtk_hig_constants.h"
  11
  12 namespace {
  13 gboolean OnKeyPress(GtkWidget* sender, GdkEventKey* key, gpointer user_data) {
  14   if (key->keyval == GDK_Escape) {
  15     gtk_widget_destroy(sender);
  16     return TRUE;
  17   }
  18
  19   return FALSE;
  20 }
  21 }  // namespace
  22
  23 GtkWidget* CreateWebContentsModalDialogGtk(
  24     GtkWidget* contents,
  25     GtkWidget* focus_widget) {
  26   // Unlike other users of CreateBorderBin, we need a dedicated frame around
  27   // our "window".
  28   GtkWidget* border = gtk_event_box_new();
  29   GtkWidget* frame = gtk_frame_new(NULL);
  30   gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_OUT);
  31
  32   GtkWidget* alignment = gtk_alignment_new(0.0, 0.0, 1.0, 1.0);
  33   gtk_alignment_set_padding(GTK_ALIGNMENT(alignment),
  34       ui::kContentAreaBorder, ui::kContentAreaBorder,
  35       ui::kContentAreaBorder, ui::kContentAreaBorder);
  36
  37   if (gtk_widget_get_parent(contents))
  38     gtk_widget_reparent(contents, alignment);
  39   else
  40     gtk_container_add(GTK_CONTAINER(alignment), contents);
  41
  42   gtk_container_add(GTK_CONTAINER(frame), alignment);
  43   gtk_container_add(GTK_CONTAINER(border), frame);
  44
  45   gtk_widget_add_events(border, GDK_KEY_PRESS_MASK);
  46   g_signal_connect(border,
  47                    "key-press-event",
  48                    reinterpret_cast<GCallback>(&OnKeyPress),
  49                    NULL);
  50
  51   // This is a little hacky, but it's better than subclassing GtkWidget just to
  52   // add one new property.
  53   g_object_set_data(G_OBJECT(border), "focus_widget", focus_widget);
  54
  55   return border;
  56 }