gtk/modules/engines/ms-windows/msw_theme_main.c

147 lines
3.8 KiB
C
Raw Normal View History

/* MS-Windows Engine (aka GTK-Wimp)
*
* Copyright (C) 2003, 2004 Raymond Penners <raymond@dotsphinx.com>
* Includes code adapted from redmond95 by Owen Taylor, and
* gtk-nativewin by Evan Martin
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <windows.h>
#include <gmodule.h>
#include "gtk/gtk.h"
#include "msw_style.h"
#include "msw_rc_style.h"
#include "xp_theme.h"
#ifndef WM_THEMECHANGED
#define WM_THEMECHANGED 0x031A /* winxp only */
#endif
static GModule *this_module = NULL;
static void (*msw_rc_reset_styles) (GtkSettings *settings) = NULL;
static GdkWindow *hidden_msg_window = NULL;
static GdkWindow *
create_hidden_msg_window (void)
{
GdkWindowAttr attributes;
gint attributes_mask;
attributes.x = -100;
attributes.y = -100;
attributes.width = 10;
attributes.height = 10;
attributes.window_type = GDK_WINDOW_TEMP;
attributes.wclass = GDK_INPUT_ONLY;
attributes.override_redirect = TRUE;
attributes.event_mask = 0;
attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_NOREDIR;
return gdk_window_new (gdk_get_default_root_window (),
&attributes, attributes_mask);
}
static GdkFilterReturn
global_filter_func (void *xevent, GdkEvent *event, gpointer data)
{
MSG *msg = (MSG *) xevent;
switch (msg->message)
{
/* catch theme changes */
case WM_THEMECHANGED:
case WM_SYSCOLORCHANGE:
if (msw_rc_reset_styles != NULL)
{
xp_theme_reset ();
msw_style_init ();
/* force all gtkwidgets to redraw */
(*msw_rc_reset_styles) (gtk_settings_get_default ());
}
return GDK_FILTER_REMOVE;
case WM_SETTINGCHANGE:
/* catch cursor blink, etc... changes */
msw_style_setup_system_settings ();
return GDK_FILTER_REMOVE;
default:
return GDK_FILTER_CONTINUE;
}
}
G_MODULE_EXPORT void
theme_init (GTypeModule * module)
{
msw_rc_style_register_type (module);
msw_style_register_type (module);
/* this craziness is required because only gtk 2.4.x and later have
gtk_rc_reset_styles(). But we want to be able to run acceptly well on
any GTK 2.x.x platform. */
if (gtk_check_version (2, 4, 0) == NULL)
{
this_module = g_module_open (NULL, 0);
if (this_module)
g_module_symbol (this_module, "gtk_rc_reset_styles",
(gpointer *) (&msw_rc_reset_styles));
}
msw_style_init ();
hidden_msg_window = create_hidden_msg_window ();
gdk_window_add_filter (hidden_msg_window, global_filter_func, NULL);
}
G_MODULE_EXPORT void
theme_exit (void)
{
gdk_window_remove_filter (hidden_msg_window, global_filter_func, NULL);
gdk_window_destroy (hidden_msg_window);
hidden_msg_window = NULL;
msw_style_finalize ();
if (this_module)
{
g_module_close (this_module);
this_module = NULL;
}
}
G_MODULE_EXPORT GtkRcStyle *
theme_create_rc_style (void)
{
return g_object_new (MSW_TYPE_RC_STYLE, NULL);
}
/* The following function will be called by GTK+ when the module
* is loaded and checks to see if we are compatible with the
* version of GTK+ that loads us.
*/
G_MODULE_EXPORT const gchar *
g_module_check_init (GModule *module)
{
return gtk_check_version (2, 0, 0);
}