/*
   Copyright (C) 2001-2006, William Joseph.
   All Rights Reserved.

   This file is part of GtkRadiant.

   GtkRadiant 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.

   GtkRadiant 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.

   You should have received a copy of the GNU General Public License
   along with GtkRadiant; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

#include "window.h"

#include <gtk/gtkscrolledwindow.h>

#include "pointer.h"
#include "accelerator.h"

inline void CHECK_RESTORE( GtkWidget* w ){
	if ( gpointer_to_int( g_object_get_data( G_OBJECT( w ), "was_mapped" ) ) != 0 ) {
		gtk_widget_show( w );
	}
}

inline void CHECK_MINIMIZE( GtkWidget* w ){
	g_object_set_data( G_OBJECT( w ), "was_mapped", gint_to_pointer( GTK_WIDGET_VISIBLE( w ) ) );
	gtk_widget_hide( w );
}

static gboolean main_window_iconified( GtkWidget* widget, GdkEventWindowState* event, gpointer data ){
	if ( ( event->changed_mask & ( GDK_WINDOW_STATE_ICONIFIED | GDK_WINDOW_STATE_WITHDRAWN ) ) != 0 ) {
		if ( ( event->new_window_state & ( GDK_WINDOW_STATE_ICONIFIED | GDK_WINDOW_STATE_WITHDRAWN ) ) != 0 ) {
			CHECK_MINIMIZE( GTK_WIDGET( data ) );
		}
		else
		{
			CHECK_RESTORE( GTK_WIDGET( data ) );
		}
	}
	return FALSE;
}

unsigned int connect_floating( GtkWindow* main_window, GtkWindow* floating ){
	return g_signal_connect( G_OBJECT( main_window ), "window_state_event", G_CALLBACK( main_window_iconified ), floating );
}

gboolean destroy_disconnect_floating( GtkWindow* widget, gpointer data ){
	g_signal_handler_disconnect( G_OBJECT( data ), gpointer_to_int( g_object_get_data( G_OBJECT( widget ), "floating_handler" ) ) );
	return FALSE;
}

gboolean floating_window_delete_present( GtkWindow* floating, GdkEventFocus *event, GtkWindow* main_window ){
	if ( gtk_window_is_active( floating ) || gtk_window_is_active( main_window ) ) {
		gtk_window_present( main_window );
	}
	return FALSE;
}

guint connect_floating_window_delete_present( GtkWindow* floating, GtkWindow* main_window ){
	return g_signal_connect( G_OBJECT( floating ), "delete_event", G_CALLBACK( floating_window_delete_present ), main_window );
}

gboolean floating_window_destroy_present( GtkWindow* floating, GtkWindow* main_window ){
	if ( gtk_window_is_active( floating ) || gtk_window_is_active( main_window ) ) {
		gtk_window_present( main_window );
	}
	return FALSE;
}

guint connect_floating_window_destroy_present( GtkWindow* floating, GtkWindow* main_window ){
	return g_signal_connect( G_OBJECT( floating ), "destroy", G_CALLBACK( floating_window_destroy_present ), main_window );
}

GtkWindow* create_floating_window( const char* title, GtkWindow* parent ){
	GtkWindow* window = GTK_WINDOW( gtk_window_new( GTK_WINDOW_TOPLEVEL ) );
	gtk_window_set_title( window, title );

	if ( parent != 0 ) {
		gtk_window_set_transient_for( window, parent );
		connect_floating_window_destroy_present( window, parent );
		g_object_set_data( G_OBJECT( window ), "floating_handler", gint_to_pointer( connect_floating( parent, window ) ) );
		g_signal_connect( G_OBJECT( window ), "destroy", G_CALLBACK( destroy_disconnect_floating ), parent );
	}

	return window;
}

void destroy_floating_window( GtkWindow* window ){
	gtk_widget_destroy( GTK_WIDGET( window ) );
}

gint window_realize_remove_sysmenu( GtkWidget* widget, gpointer data ){
	gdk_window_set_decorations( widget->window, (GdkWMDecoration)( GDK_DECOR_ALL | GDK_DECOR_MENU ) );
	return FALSE;
}

gboolean persistent_floating_window_delete( GtkWindow* floating, GdkEvent *event, GtkWindow* main_window ){
	gtk_widget_hide( GTK_WIDGET( floating ) );
	return TRUE;
}

GtkWindow* create_persistent_floating_window( const char* title, GtkWindow* main_window ){
	GtkWindow* window = GTK_WINDOW( create_floating_window( title, main_window ) );

	gtk_widget_set_events( GTK_WIDGET( window ), GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK );

	connect_floating_window_delete_present( window, main_window );
	g_signal_connect( G_OBJECT( window ), "delete_event", G_CALLBACK( persistent_floating_window_delete ), 0 );

#if 0
	if ( g_multimon_globals.m_bStartOnPrimMon && g_multimon_globals.m_bNoSysMenuPopups ) {
		g_signal_connect( G_OBJECT( window ), "realize", G_CALLBACK( window_realize_remove_sysmenu ), 0 );
	}
#endif

	return window;
}

gint window_realize_remove_minmax( GtkWidget* widget, gpointer data ){
	gdk_window_set_decorations( widget->window, (GdkWMDecoration)( GDK_DECOR_ALL | GDK_DECOR_MINIMIZE | GDK_DECOR_MAXIMIZE ) );
	return FALSE;
}

void window_remove_minmax( GtkWindow* window ){
	g_signal_connect( G_OBJECT( window ), "realize", G_CALLBACK( window_realize_remove_minmax ), 0 );
}


GtkScrolledWindow* create_scrolled_window( GtkPolicyType hscrollbar_policy, GtkPolicyType vscrollbar_policy, int border ){
	GtkScrolledWindow* scr = GTK_SCROLLED_WINDOW( gtk_scrolled_window_new( 0, 0 ) );
	gtk_widget_show( GTK_WIDGET( scr ) );
	gtk_scrolled_window_set_policy( scr, hscrollbar_policy, vscrollbar_policy );
	gtk_scrolled_window_set_shadow_type( scr, GTK_SHADOW_IN );
	gtk_container_set_border_width( GTK_CONTAINER( scr ), border );
	return scr;
}