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      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 }
     57