lxdream 0.9.1| filename | src/drivers/video_gtk.c |
| changeset | 477:9a373f2ff009 |
| prev | 449:21440948c684 |
| next | 481:3b2d6c5a19ad |
| author | nkeynes |
| date | Wed Oct 31 09:10:23 2007 +0000 (15 years ago) |
| permissions | -rw-r--r-- |
| last change | Add save/restore of render buffers in save states Gzip memory blocks in save states Move front-buffer management back to pvr2 Add screenshot preview when loading save states Various minor fixes and cleanups |
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1 /**
2 * $Id: video_gtk.c,v 1.17 2007-10-31 09:10:23 nkeynes Exp $
3 *
4 * The PC side of the video support (responsible for actually displaying /
5 * rendering frames)
6 *
7 * Copyright (c) 2005 Nathan Keynes.
8 *
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.
13 *
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.
18 */
20 #include <gnome.h>
21 #include <gdk/gdkx.h>
22 #include <stdint.h>
23 #include "dream.h"
24 #include "display.h"
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 };
40 /**
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.
45 */
46 uint16_t video_gtk_unmodified_keyval( GdkEventKey *event )
47 {
48 GdkKeymap *keymap = gdk_keymap_get_default();
49 guint keyval;
51 gdk_keymap_translate_keyboard_state( keymap, event->hardware_keycode, 0, 0, &keyval,
52 NULL, NULL, NULL );
53 return keyval;
54 }
56 gboolean video_gtk_keydown_callback(GtkWidget *widget,
57 GdkEventKey *event,
58 gpointer user_data)
59 {
60 input_event_keydown( video_gtk_unmodified_keyval(event) );
61 return TRUE;
62 }
64 gboolean video_gtk_keyup_callback(GtkWidget *widget,
65 GdkEventKey *event,
66 gpointer user_data)
67 {
68 input_event_keyup( video_gtk_unmodified_keyval(event) );
69 return TRUE;
70 }
72 uint16_t video_gtk_resolve_keysym( const gchar *keysym )
73 {
74 int val = gdk_keyval_from_name( keysym );
75 if( val == GDK_VoidSymbol )
76 return 0;
77 return (uint16_t)val;
78 }
80 gboolean video_gtk_expose_callback(GtkWidget *widget, GdkEventExpose *event, gpointer data )
81 {
82 gl_fbo_detach();
83 gl_redisplay_last();
84 return TRUE;
85 }
87 gboolean video_gtk_resize_callback(GtkWidget *widget, GdkEventConfigure *event, gpointer data )
88 {
89 video_width = event->width;
90 video_height = event->height;
91 gl_fbo_detach();
92 gl_redisplay_last();
93 return TRUE;
94 }
96 gboolean video_gtk_init()
97 {
98 video_win = gtk_gui_get_renderarea();
100 g_signal_connect( video_win, "key_press_event",
101 G_CALLBACK(video_gtk_keydown_callback), NULL );
102 g_signal_connect( video_win, "key_release_event",
103 G_CALLBACK(video_gtk_keyup_callback), NULL );
104 g_signal_connect( video_win, "expose_event",
105 G_CALLBACK(video_gtk_expose_callback), NULL );
106 g_signal_connect( video_win, "configure_event",
107 G_CALLBACK(video_gtk_resize_callback), NULL );
108 gtk_widget_add_events( video_win,
109 GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK |
110 GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK );
111 gtk_widget_set_double_buffered( video_win, FALSE );
112 video_width = video_win->allocation.width;
113 video_height = video_win->allocation.height;
114 return video_glx_init( gdk_x11_display_get_xdisplay( gtk_widget_get_display(GTK_WIDGET(video_win))),
115 gdk_x11_screen_get_xscreen( gtk_widget_get_screen(GTK_WIDGET(video_win))),
116 GDK_WINDOW_XWINDOW( GTK_WIDGET(video_win)->window ),
117 video_width, video_height, &display_gtk_driver );
118 }
120 void video_gtk_shutdown()
121 {
122 video_glx_shutdown();
123 gtk_widget_destroy( GTK_WIDGET(video_win) );
125 }
.