/**

 * $Id: video_gtk.c,v 1.13 2007-10-10 11:02:04 nkeynes Exp $

 *

 * The PC side of the video support (responsible for actually displaying / 

 * rendering frames)

 *

 * Copyright (c) 2005 Nathan Keynes.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 */

#include <gnome.h>

#include <gdk/gdkx.h>

#include <stdint.h>

#include "dream.h"

#include "display.h"

#include "drivers/video_x11.h"

#include "gui/gtkui.h"

GdkImage *video_img = NULL;

GtkWidget *video_win = NULL;

GtkWidget *video_area = NULL;

uint32_t video_width = 640;

uint32_t video_height = 480;

gboolean video_gtk_init();

void video_gtk_shutdown();

uint16_t video_gtk_resolve_keysym( const gchar *keysym );

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

					     video_gtk_resolve_keysym,

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

gboolean video_gtk_keydown_callback(GtkWidget       *widget,

				     GdkEventKey     *event,

				     gpointer         user_data)

{

    input_event_keydown( event->keyval );

    return TRUE;

}

uint16_t video_gtk_resolve_keysym( const gchar *keysym )

{

    int val = gdk_keyval_from_name( keysym );

    if( val == GDK_VoidSymbol )

	return 0;

    return (uint16_t)val;

}

gboolean video_gtk_keyup_callback(GtkWidget       *widget,

				  GdkEventKey     *event,

				  gpointer         user_data)

{

    input_event_keyup( event->keyval );

    return TRUE;

}

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

{

    /* redisplay last frame */

}

gboolean video_gtk_init()

{

    /*

    video_win = GTK_WINDOW(gtk_window_new( GTK_WINDOW_TOPLEVEL ));

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

    gtk_window_set_policy( video_win, FALSE, FALSE, FALSE );

    gtk_window_set_default_size( video_win, video_width, video_height );

    */

    video_win = gtk_gui_get_renderarea();

    g_signal_connect( video_win, "key_press_event", 

		      G_CALLBACK(video_gtk_keydown_callback), NULL );

    g_signal_connect( video_win, "key_release_event", 

		      G_CALLBACK(video_gtk_keyup_callback), NULL );

    g_signal_connect( video_win, "expose_event",

		      G_CALLBACK(video_gtk_expose_callback), NULL );

    gtk_widget_add_events( video_win, 

			   GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK |

			   GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK );

    video_area = gtk_image_new();

    gtk_widget_show( GTK_WIDGET(video_area) );

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

    gtk_widget_show( GTK_WIDGET(video_win) );

    video_img = gdk_image_new( GDK_IMAGE_FASTEST, gdk_visual_get_system(),

                               video_width, video_height );

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

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

		    gdk_x11_screen_get_xscreen( gtk_widget_get_screen(GTK_WIDGET(video_win))),

		    GDK_WINDOW_XWINDOW( GTK_WIDGET(video_win)->window ),

		    video_width, video_height, &display_gtk_driver );

}

void video_gtk_shutdown()

{

    video_glx_shutdown();

    gtk_widget_destroy( GTK_WIDGET(video_win) );

}