2 * $Id: video_gtk.c,v 1.16 2007-10-16 12:38:01 nkeynes Exp $
4 * The PC side of the video support (responsible for actually displaying /
7 * Copyright (c) 2005 Nathan Keynes.
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
25 #include "drivers/video_x11.h"
26 #include "gui/gtkui.h"
28 static GtkWidget *video_win = NULL;
29 int video_width = 640;
30 int video_height = 480;
32 gboolean video_gtk_init();
33 void video_gtk_shutdown();
34 uint16_t video_gtk_resolve_keysym( const gchar *keysym );
36 struct display_driver display_gtk_driver = { "gtk", video_gtk_init, video_gtk_shutdown,
37 video_gtk_resolve_keysym,
38 NULL, NULL, NULL, NULL, NULL, NULL, NULL };
41 * Extract the keyval of the key event if no modifier keys were pressed -
42 * in other words get the keyval of the key by itself. The other way around
43 * would be to use the hardware keysyms directly rather than the keyvals,
44 * but the mapping looks to be messier.
46 uint16_t video_gtk_unmodified_keyval( GdkEventKey *event )
48 GdkKeymap *keymap = gdk_keymap_get_default();
51 gdk_keymap_translate_keyboard_state( keymap, event->hardware_keycode, 0, 0, &keyval,
56 gboolean video_gtk_keydown_callback(GtkWidget *widget,
60 input_event_keydown( video_gtk_unmodified_keyval(event) );
64 gboolean video_gtk_keyup_callback(GtkWidget *widget,
68 input_event_keyup( video_gtk_unmodified_keyval(event) );
72 uint16_t video_gtk_resolve_keysym( const gchar *keysym )
74 int val = gdk_keyval_from_name( keysym );
75 if( val == GDK_VoidSymbol )
80 gboolean video_gtk_expose_callback(GtkWidget *widget, GdkEventExpose *event, gpointer data )
86 gboolean video_gtk_resize_callback(GtkWidget *widget, GdkEventConfigure *event, gpointer data )
88 video_width = event->width;
89 video_height = event->height;
94 gboolean video_gtk_init()
96 video_win = gtk_gui_get_renderarea();
98 g_signal_connect( video_win, "key_press_event",
99 G_CALLBACK(video_gtk_keydown_callback), NULL );
100 g_signal_connect( video_win, "key_release_event",
101 G_CALLBACK(video_gtk_keyup_callback), NULL );
102 g_signal_connect( video_win, "expose_event",
103 G_CALLBACK(video_gtk_expose_callback), NULL );
104 g_signal_connect( video_win, "configure_event",
105 G_CALLBACK(video_gtk_resize_callback), NULL );
106 gtk_widget_add_events( video_win,
107 GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK |
108 GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK );
109 gtk_widget_set_double_buffered( video_win, FALSE );
110 video_width = video_win->allocation.width;
111 video_height = video_win->allocation.height;
112 return video_glx_init( gdk_x11_display_get_xdisplay( gtk_widget_get_display(GTK_WIDGET(video_win))),
113 gdk_x11_screen_get_xscreen( gtk_widget_get_screen(GTK_WIDGET(video_win))),
114 GDK_WINDOW_XWINDOW( GTK_WIDGET(video_win)->window ),
115 video_width, video_height, &display_gtk_driver );
118 void video_gtk_shutdown()
120 video_glx_shutdown();
121 gtk_widget_destroy( GTK_WIDGET(video_win) );
.