lxdream.org :: lxdream/src/drivers/video

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     1 /**

     2  * $Id: video_gtk.c,v 1.13 2007-10-10 11:02:04 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 GdkImage *video_img = NULL;

    29 GtkWidget *video_win = NULL;

    30 GtkWidget *video_area = NULL;

    31 uint32_t video_width = 640;

    32 uint32_t video_height = 480;

    34 gboolean video_gtk_init();

    35 void video_gtk_shutdown();

    36 uint16_t video_gtk_resolve_keysym( const gchar *keysym );

    38 struct display_driver display_gtk_driver = { "gtk", video_gtk_init, video_gtk_shutdown,

    39 					     video_gtk_resolve_keysym,

    40 					     NULL, NULL, NULL, NULL, NULL, NULL, NULL };

    43 gboolean video_gtk_keydown_callback(GtkWidget       *widget,

    44 				     GdkEventKey     *event,

    45 				     gpointer         user_data)

    46 {

    47     input_event_keydown( event->keyval );

    48     return TRUE;

    49 }

    51 uint16_t video_gtk_resolve_keysym( const gchar *keysym )

    52 {

    53     int val = gdk_keyval_from_name( keysym );

    54     if( val == GDK_VoidSymbol )

    55 	return 0;

    56     return (uint16_t)val;

    57 }

    59 gboolean video_gtk_keyup_callback(GtkWidget       *widget,

    60 				  GdkEventKey     *event,

    61 				  gpointer         user_data)

    62 {

    63     input_event_keyup( event->keyval );

    64     return TRUE;

    65 }

    67 gboolean video_gtk_expose_callback(GtkWidget *widget, GdkEventExpose *event, gpointer data )

    68 {

    69     /* redisplay last frame */

    70 }

    72 gboolean video_gtk_init()

    73 {

    74     /*

    75     video_win = GTK_WINDOW(gtk_window_new( GTK_WINDOW_TOPLEVEL ));

    76     gtk_window_set_title( video_win, APP_NAME " - Emulation Window" );

    77     gtk_window_set_policy( video_win, FALSE, FALSE, FALSE );

    78     gtk_window_set_default_size( video_win, video_width, video_height );

    79     */

    81     video_win = gtk_gui_get_renderarea();

    83     g_signal_connect( video_win, "key_press_event",

    84 		      G_CALLBACK(video_gtk_keydown_callback), NULL );

    85     g_signal_connect( video_win, "key_release_event",

    86 		      G_CALLBACK(video_gtk_keyup_callback), NULL );

    87     g_signal_connect( video_win, "expose_event",

    88 		      G_CALLBACK(video_gtk_expose_callback), NULL );

    89     gtk_widget_add_events( video_win,

    90 			   GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK |

    91 			   GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK );

    92     video_area = gtk_image_new();

    93     gtk_widget_show( GTK_WIDGET(video_area) );

    94     gtk_container_add( GTK_CONTAINER(video_win), GTK_WIDGET(video_area) );

    95     gtk_widget_show( GTK_WIDGET(video_win) );

    96     video_img = gdk_image_new( GDK_IMAGE_FASTEST, gdk_visual_get_system(),

    97                                video_width, video_height );

    98     gtk_image_set_from_image( GTK_IMAGE(video_area), video_img, NULL );

   101     return video_glx_init( gdk_x11_display_get_xdisplay( gtk_widget_get_display(GTK_WIDGET(video_win))),

   102 		    gdk_x11_screen_get_xscreen( gtk_widget_get_screen(GTK_WIDGET(video_win))),

   103 		    GDK_WINDOW_XWINDOW( GTK_WIDGET(video_win)->window ),

   104 		    video_width, video_height, &display_gtk_driver );

   105 }

   107 void video_gtk_shutdown()

   108 {

   109     video_glx_shutdown();

   110     gtk_widget_destroy( GTK_WIDGET(video_win) );

   112 }