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lxdream.org :: lxdream/src/drivers/video_gtk.c
lxdream 0.9.1
released Jun 29
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filename src/drivers/video_gtk.c
changeset 352:f0df7a6d4703
prev335:fb890e1814c0
next370:3131ba1440fc
author nkeynes
date Sun Feb 11 10:09:32 2007 +0000 (12 years ago)
permissions -rw-r--r--
last change Bug 27: Implement opengl framebuffer objects
Rewrite much of the final video output stage. Now uses generic "render
buffers", implemented on GL using framebuffer objects + textures.
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     1 /**
     2  * $Id: video_gtk.c,v 1.10 2007-02-11 10:09:32 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"
    27 GdkImage *video_img = NULL;
    28 GtkWindow *video_win = NULL;
    29 GtkWidget *video_area = NULL;
    30 uint32_t video_width = 640;
    31 uint32_t 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, NULL,
    38 					     video_gtk_resolve_keysym,
    39 					     NULL, NULL, NULL, NULL, NULL, NULL, NULL };
    42 gboolean video_gtk_keydown_callback(GtkWidget       *widget,
    43 				     GdkEventKey     *event,
    44 				     gpointer         user_data)
    45 {
    46     input_event_keydown( event->keyval );
    47 }
    49 uint16_t video_gtk_resolve_keysym( const gchar *keysym )
    50 {
    51     int val = gdk_keyval_from_name( keysym );
    52     if( val == GDK_VoidSymbol )
    53 	return 0;
    54     return (uint16_t)val;
    55 }
    57 gboolean video_gtk_keyup_callback(GtkWidget       *widget,
    58 				  GdkEventKey     *event,
    59 				  gpointer         user_data)
    60 {
    61     input_event_keyup( event->keyval );
    62 }
    64 gboolean video_gtk_init()
    65 {
    66     video_win = GTK_WINDOW(gtk_window_new( GTK_WINDOW_TOPLEVEL ));
    67     gtk_window_set_title( video_win, APP_NAME " - Emulation Window" );
    68     gtk_window_set_policy( video_win, FALSE, FALSE, FALSE );
    70     g_signal_connect( video_win, "key_press_event", 
    71 		      G_CALLBACK(video_gtk_keydown_callback), NULL );
    72     g_signal_connect( video_win, "key_release_event", 
    73 		      G_CALLBACK(video_gtk_keyup_callback), NULL );
    74     gtk_widget_add_events( GTK_WIDGET(video_win), 
    75 			   GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK |
    76 			   GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK );
    77     video_area = gtk_image_new();
    78     gtk_widget_show( GTK_WIDGET(video_area) );
    79     gtk_container_add( GTK_CONTAINER(video_win), GTK_WIDGET(video_area) );
    80     gtk_widget_show( GTK_WIDGET(video_win) );
    81     video_img = gdk_image_new( GDK_IMAGE_FASTEST, gdk_visual_get_system(),
    82                                video_width, video_height );
    83     gtk_image_set_from_image( GTK_IMAGE(video_area), video_img, NULL );
    85     gtk_window_set_default_size( video_win, video_width, video_height );
    87     video_glx_init( gdk_x11_display_get_xdisplay( gtk_widget_get_display(GTK_WIDGET(video_win))),
    88 		    gdk_x11_screen_get_xscreen( gtk_widget_get_screen(GTK_WIDGET(video_win))),
    89 		    GDK_WINDOW_XWINDOW( GTK_WIDGET(video_win)->window ),
    90 		    video_width, video_height, &display_gtk_driver );
    91     return TRUE;
    92 }
    94 void video_gtk_shutdown()
    95 {
    98 }
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