/**

 * $Id: main_win.c,v 1.10 2007-11-08 10:46:41 nkeynes Exp $

 *

 * Define the main (emu) GTK window, along with its menubars,

 * toolbars, etc.

 *

 * 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 <assert.h>

#include <sys/types.h>

#include <sys/stat.h>

#include <unistd.h>

#include <string.h>

#include <stdio.h>

#include <stdlib.h>

#include <gtk/gtk.h>

#include <gdk/gdkx.h>

#include <X11/Xutil.h>

#include "dream.h"

#include "gtkui/gtkui.h"

#include "drivers/video_glx.h"

struct main_window_info {

    GtkWidget *window;

    GtkWidget *video;

    GtkWidget *menubar;

    GtkWidget *toolbar;

    GtkWidget *statusbar;

    GtkActionGroup *actions;

};

static gboolean on_main_window_deleted( GtkWidget *widget, GdkEvent event, gpointer user_data )

{

    exit(0);

}

static void on_main_window_state_changed( GtkWidget *widget, GdkEventWindowState *state, 

					  gpointer userdata )

{

    main_window_t win = (main_window_t)userdata;

    if( state->changed_mask & GDK_WINDOW_STATE_FULLSCREEN ) {

	gboolean fs = (state->new_window_state & GDK_WINDOW_STATE_FULLSCREEN);

	GtkWidget *frame = gtk_widget_get_parent(win->video);

	if( frame->style == NULL ) {

	    gtk_widget_set_style( frame, gtk_style_new() );

	}

	if( fs ) {

	    gtk_widget_hide( win->menubar );

	    gtk_widget_hide( win->toolbar );

	    gtk_widget_hide( win->statusbar );

	    frame->style->xthickness = 0;

	    frame->style->ythickness = 0;

	} else {

	    frame->style->xthickness = 2;

	    frame->style->ythickness = 2;

	    gtk_widget_show( win->menubar );

	    gtk_widget_show( win->toolbar );

	    gtk_widget_show( win->statusbar );

	}

	gtk_widget_queue_draw( win->window );

    }

}

main_window_t main_window_new( const gchar *title, GtkWidget *menubar, GtkWidget *toolbar,

			       GtkAccelGroup *accel_group )

{

    GtkWidget *vbox;

    GtkWidget *frame;

    main_window_t win = g_malloc0( sizeof(struct main_window_info) );

    win->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);

    win->menubar = menubar;

    win->toolbar = toolbar;

    gtk_window_set_title( GTK_WINDOW(win->window), title );

    gtk_window_add_accel_group (GTK_WINDOW (win->window), accel_group);

    gtk_toolbar_set_style( GTK_TOOLBAR(toolbar), GTK_TOOLBAR_ICONS );

    Display *display = gdk_x11_display_get_xdisplay( gtk_widget_get_display(win->window));

    Screen *screen = gdk_x11_screen_get_xscreen( gtk_widget_get_screen(win->window));

    int screen_no = XScreenNumberOfScreen(screen);

    video_glx_init(display, screen_no);

    XVisualInfo *visual = video_glx_get_visual();

    GdkVisual *gdkvis = gdk_x11_screen_lookup_visual( gtk_widget_get_screen(win->window), visual->visualid );

    GdkColormap *colormap = gdk_colormap_new( gdkvis, FALSE );

    win->video = gtk_drawing_area_new();

    gtk_widget_set_colormap( win->video, colormap );

    GTK_WIDGET_SET_FLAGS(win->video, GTK_CAN_FOCUS|GTK_CAN_DEFAULT);

    gtk_widget_set_size_request( win->video, 640, 480 ); 

    frame = gtk_frame_new(NULL);

    gtk_frame_set_shadow_type( GTK_FRAME(frame), GTK_SHADOW_IN );

    gtk_container_add( GTK_CONTAINER(frame), win->video );

    win->statusbar = gtk_statusbar_new();

    vbox = gtk_vbox_new(FALSE, 0);

    gtk_container_add( GTK_CONTAINER(win->window), vbox );

    gtk_box_pack_start( GTK_BOX(vbox), menubar, FALSE, FALSE, 0 );

    gtk_box_pack_start( GTK_BOX(vbox), toolbar, FALSE, FALSE, 0 );

    gtk_box_pack_start( GTK_BOX(vbox), frame, TRUE, TRUE, 0 );

    gtk_box_pack_start( GTK_BOX(vbox), win->statusbar, FALSE, FALSE, 0 );

    gtk_widget_show_all( win->window );

    gtk_widget_grab_focus( win->video );

    gtk_statusbar_push( GTK_STATUSBAR(win->statusbar), 1, "Stopped" );

    g_signal_connect( win->window, "delete_event", 

		      G_CALLBACK(on_main_window_deleted), win );

    g_signal_connect( win->window, "window-state-event",

		      G_CALLBACK(on_main_window_state_changed), win );

    return win;

}

void main_window_set_running( main_window_t win, gboolean running )

{

    gtk_gui_enable_action( "Pause", running );

    gtk_gui_enable_action( "Run", !running && dreamcast_can_run() );

    gtk_statusbar_pop( GTK_STATUSBAR(win->statusbar), 1 );

    gtk_statusbar_push( GTK_STATUSBAR(win->statusbar), 1, running ? "Running" : "Stopped" );

}

void main_window_set_framerate( main_window_t win, float rate )

{

}

void main_window_set_speed( main_window_t win, double speed )

{

    char buf[32];

    snprintf( buf, 32, "Running (%2.4f%%)", speed );

    gtk_statusbar_pop( GTK_STATUSBAR(win->statusbar), 1 );

    gtk_statusbar_push( GTK_STATUSBAR(win->statusbar), 1, buf );

}

GtkWidget *main_window_get_renderarea( main_window_t win )

{

    return win->video;

}

GtkWindow *main_window_get_frame( main_window_t win )

{

    return GTK_WINDOW(win->window);

}

void main_window_set_fullscreen( main_window_t win, gboolean fullscreen )

{

    if( fullscreen ) {

	gtk_window_fullscreen( GTK_WINDOW(win->window) );

    } else {

	gtk_window_unfullscreen( GTK_WINDOW(win->window) );

    }

}