filename | src/drivers/video_gtk.c |
changeset | 537:d924be49e192 |
prev | 530:28bdc62e642a |
next | 545:fdcdcd8b9fd1 |
author | nkeynes |
date | Tue Nov 20 10:27:58 2007 +0000 (16 years ago) |
permissions | -rw-r--r-- |
last change | Move gtk UI into gtkui subdir (prep for non-gtk builds), and protect with an automake conditional |
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1 /**
2 * $Id: video_gtk.c,v 1.19 2007-10-31 12:43:51 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 <gdk/gdkx.h>
21 #include <gdk/gdkkeysyms.h>
22 #include <stdint.h>
23 #include "dream.h"
24 #include "display.h"
25 #include "drivers/video_x11.h"
26 #include "drivers/gl_common.h"
27 #include "gtkui/gtkui.h"
29 static GtkWidget *video_win = NULL;
30 int video_width = 640;
31 int video_height = 480;
33 gboolean video_gtk_init();
34 void video_gtk_shutdown();
35 uint16_t video_gtk_resolve_keysym( const gchar *keysym );
37 struct display_driver display_gtk_driver = { "gtk", video_gtk_init, video_gtk_shutdown,
38 video_gtk_resolve_keysym,
39 NULL, NULL, NULL, NULL, NULL, NULL, NULL };
41 /**
42 * Extract the keyval of the key event if no modifier keys were pressed -
43 * in other words get the keyval of the key by itself. The other way around
44 * would be to use the hardware keysyms directly rather than the keyvals,
45 * but the mapping looks to be messier.
46 */
47 uint16_t video_gtk_unmodified_keyval( GdkEventKey *event )
48 {
49 GdkKeymap *keymap = gdk_keymap_get_default();
50 guint keyval;
52 gdk_keymap_translate_keyboard_state( keymap, event->hardware_keycode, 0, 0, &keyval,
53 NULL, NULL, NULL );
54 return keyval;
55 }
57 gboolean video_gtk_keydown_callback(GtkWidget *widget,
58 GdkEventKey *event,
59 gpointer user_data)
60 {
61 input_event_keydown( video_gtk_unmodified_keyval(event) );
62 return TRUE;
63 }
65 gboolean video_gtk_keyup_callback(GtkWidget *widget,
66 GdkEventKey *event,
67 gpointer user_data)
68 {
69 input_event_keyup( video_gtk_unmodified_keyval(event) );
70 return TRUE;
71 }
73 uint16_t video_gtk_resolve_keysym( const gchar *keysym )
74 {
75 int val = gdk_keyval_from_name( keysym );
76 if( val == GDK_VoidSymbol )
77 return 0;
78 return (uint16_t)val;
79 }
81 gboolean video_gtk_expose_callback(GtkWidget *widget, GdkEventExpose *event, gpointer data )
82 {
83 gl_fbo_detach();
84 gl_redisplay_last();
85 return TRUE;
86 }
88 gboolean video_gtk_resize_callback(GtkWidget *widget, GdkEventConfigure *event, gpointer data )
89 {
90 video_width = event->width;
91 video_height = event->height;
92 gl_fbo_detach();
93 gl_redisplay_last();
94 return TRUE;
95 }
97 gboolean video_gtk_init()
98 {
99 video_win = gtk_gui_get_renderarea();
100 if( video_win == NULL ) {
101 return FALSE;
102 }
104 g_signal_connect( video_win, "key_press_event",
105 G_CALLBACK(video_gtk_keydown_callback), NULL );
106 g_signal_connect( video_win, "key_release_event",
107 G_CALLBACK(video_gtk_keyup_callback), NULL );
108 g_signal_connect( video_win, "expose_event",
109 G_CALLBACK(video_gtk_expose_callback), NULL );
110 g_signal_connect( video_win, "configure_event",
111 G_CALLBACK(video_gtk_resize_callback), NULL );
112 gtk_widget_add_events( video_win,
113 GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK |
114 GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK );
115 gtk_widget_set_double_buffered( video_win, FALSE );
116 video_width = video_win->allocation.width;
117 video_height = video_win->allocation.height;
118 return video_glx_init( gdk_x11_display_get_xdisplay( gtk_widget_get_display(GTK_WIDGET(video_win))),
119 gdk_x11_screen_get_xscreen( gtk_widget_get_screen(GTK_WIDGET(video_win))),
120 GDK_WINDOW_XWINDOW( GTK_WIDGET(video_win)->window ),
121 video_width, video_height, &display_gtk_driver );
122 }
124 void video_gtk_shutdown()
125 {
126 if( video_win != NULL ) {
127 video_glx_shutdown();
128 gtk_widget_destroy( GTK_WIDGET(video_win) );
129 }
131 }
.