chrome/browser/ui/libgtk2ui/chrome_gtk_frame.h

   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 #ifndef CHROME_BROWSER_UI_LIBGTK2UI_CHROME_GTK_FRAME_H_
   6 #define CHROME_BROWSER_UI_LIBGTK2UI_CHROME_GTK_FRAME_H_
   7
   8 #include <gtk/gtk.h>
   9
  10 G_BEGIN_DECLS
  11
  12 // This file declares two subclasses of GtkWindow for easier gtk+ theme
  13 // integration.
  14 //
  15 // The first is "MetaFrames," which is (was?) the name of a gobject class in
  16 // the metacity window manager. To actually get at those values, we need to
  17 // have an object whose gobject class name string matches the definitions in
  18 // the gtkrc file. MetaFrames derives from GtkWindow.
  19 //
  20 // Metaframes can not be instantiated. It has no constructor; instantiate
  21 // ChromeGtkFrame instead.
  22 typedef struct _MetaFrames       MetaFrames;
  23 typedef struct _MetaFramesClass  MetaFramesClass;
  24
  25 struct _MetaFrames {
  26   GtkWindow window;
  27 };
  28
  29 struct _MetaFramesClass {
  30   GtkWindowClass parent_class;
  31 };
  32
  33
  34 // The second is ChromeGtkFrame, which defines a number of optional style
  35 // properties so theme authors can control how chromium appears in gtk-theme
  36 // mode.  It derives from MetaFrames in chrome so older themes that declare a
  37 // MetaFrames theme will still work. New themes should target this class.
  38 typedef struct _ChromeGtkFrame       ChromeGtkFrame;
  39 typedef struct _ChromeGtkFrameClass  ChromeGtkFrameClass;
  40
  41 struct _ChromeGtkFrame {
  42   MetaFrames frames;
  43 };
  44
  45 struct _ChromeGtkFrameClass {
  46   MetaFramesClass frames_class;
  47 };
  48
  49 // Creates a GtkWindow object the the class name "ChromeGtkFrame".
  50 GtkWidget* chrome_gtk_frame_new();
  51
  52 G_END_DECLS
  53
  54 #endif  // CHROME_BROWSER_UI_LIBGTK2UI_CHROME_GTK_FRAME_H_