/*
   Copyright (C) 1999-2006 Id Software, Inc. and contributors.
   For a list of contributors, see the accompanying CONTRIBUTORS file.

   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
 */

//
// Floating dialog that contains a notebook with at least Entities and Group tabs
// I merged the 2 MS Windows dialogs in a single class
//
// Leonardo Zide (leo@lokigames.com)
//

#include "groupdialog.h"

#include "debugging/debugging.h"

#include <vector>

#include <gtk/gtknotebook.h>
#include <gtk/gtktextview.h>
#include <gtk/gtklabel.h>
#include <gtk/gtkscrolledwindow.h>

#include "gtkutil/widget.h"
#include "gtkutil/accelerator.h"
#include "entityinspector.h"
#include "gtkmisc.h"
#include "multimon.h"
#include "console.h"
#include "commands.h"


#include <gtk/gtkwidget.h>
#include "gtkutil/window.h"

class GroupDlg
{
public:
GtkWidget* m_pNotebook;
GtkWindow* m_window;

GroupDlg();
void Create( GtkWindow* parent );

void Show(){
	// workaround for strange gtk behaviour - modifying the contents of a window while it is not visible causes the window position to change without sending a configure_event
	m_position_tracker.sync( m_window );
	gtk_widget_show( GTK_WIDGET( m_window ) );
}
void Hide(){
	gtk_widget_hide( GTK_WIDGET( m_window ) );
}

WindowPositionTracker m_position_tracker;
};

namespace
{
GroupDlg g_GroupDlg;

std::size_t g_current_page;
std::vector<StringExportCallback> g_pages;
}

void GroupDialog_updatePageTitle( GtkWindow* window, std::size_t pageIndex ){
	if ( pageIndex < g_pages.size() ) {
		g_pages[pageIndex]( PointerCaller1<GtkWindow, const char*, gtk_window_set_title>( window ) );
	}
}

static gboolean switch_page( GtkNotebook *notebook, GtkNotebookPage *page, guint page_num, gpointer data ){
	GroupDialog_updatePageTitle( GTK_WINDOW( data ), page_num );
	g_current_page = page_num;

	return FALSE;
}

GroupDlg::GroupDlg() : m_window( 0 ){
	m_position_tracker.setPosition( c_default_window_pos );
}

void GroupDlg::Create( GtkWindow* parent ){
	ASSERT_MESSAGE( m_window == 0, "dialog already created" );

	GtkWindow* window = create_persistent_floating_window( "Entities", parent );

	global_accel_connect_window( window );

	window_connect_focus_in_clear_focus_widget( window );

	m_window = window;

#ifdef WIN32
	if ( g_multimon_globals.m_bStartOnPrimMon ) {
		WindowPosition pos( m_position_tracker.getPosition() );
		PositionWindowOnPrimaryScreen( pos );
		m_position_tracker.setPosition( pos );
	}
#endif
	m_position_tracker.connect( window );

	{
		GtkWidget* notebook = gtk_notebook_new();
		gtk_widget_show( notebook );
		gtk_container_add( GTK_CONTAINER( window ), notebook );
		gtk_notebook_set_tab_pos( GTK_NOTEBOOK( notebook ), GTK_POS_BOTTOM );
		m_pNotebook = notebook;

		g_signal_connect( G_OBJECT( notebook ), "switch_page", G_CALLBACK( switch_page ), window );
	}
}


GtkWidget* GroupDialog_addPage( const char* tabLabel, GtkWidget* widget, const StringExportCallback& title ){
	GtkWidget* w = gtk_label_new( tabLabel );
	gtk_widget_show( w );
	GtkWidget* page = gtk_notebook_get_nth_page( GTK_NOTEBOOK( g_GroupDlg.m_pNotebook ), gtk_notebook_insert_page( GTK_NOTEBOOK( g_GroupDlg.m_pNotebook ), widget, w, -1 ) );
	g_pages.push_back( title );

	return page;
}


bool GroupDialog_isShown(){
	return widget_is_visible( GTK_WIDGET( g_GroupDlg.m_window ) );
}
void GroupDialog_setShown( bool shown ){
	shown ? g_GroupDlg.Show() : g_GroupDlg.Hide();
}
void GroupDialog_ToggleShow(){
	GroupDialog_setShown( !GroupDialog_isShown() );
}

void GroupDialog_constructWindow( GtkWindow* main_window ){
	g_GroupDlg.Create( main_window );
}
void GroupDialog_destroyWindow(){
	ASSERT_NOTNULL( g_GroupDlg.m_window );
	destroy_floating_window( g_GroupDlg.m_window );
	g_GroupDlg.m_window = 0;
}


GtkWindow* GroupDialog_getWindow(){
	return g_GroupDlg.m_window;
}
void GroupDialog_show(){
	g_GroupDlg.Show();
}

GtkWidget* GroupDialog_getPage(){
	return gtk_notebook_get_nth_page( GTK_NOTEBOOK( g_GroupDlg.m_pNotebook ), gint( g_current_page ) );
}

void GroupDialog_setPage( GtkWidget* page ){
	g_current_page = gtk_notebook_page_num( GTK_NOTEBOOK( g_GroupDlg.m_pNotebook ), page );
	gtk_notebook_set_current_page( GTK_NOTEBOOK( g_GroupDlg.m_pNotebook ), gint( g_current_page ) );
}

void GroupDialog_showPage( GtkWidget* page ){
	if ( GroupDialog_getPage() == page ) {
		GroupDialog_ToggleShow();
	}
	else
	{
		gtk_widget_show( GTK_WIDGET( g_GroupDlg.m_window ) );
		GroupDialog_setPage( page );
	}
}

void GroupDialog_cycle(){
	g_current_page = ( g_current_page + 1 ) % g_pages.size();
	gtk_notebook_set_current_page( GTK_NOTEBOOK( g_GroupDlg.m_pNotebook ), gint( g_current_page ) );
}

void GroupDialog_updatePageTitle( GtkWidget* page ){
	if ( GroupDialog_getPage() == page ) {
		GroupDialog_updatePageTitle( g_GroupDlg.m_window, g_current_page );
	}
}


#include "preferencesystem.h"

void GroupDialog_Construct(){
	GlobalPreferenceSystem().registerPreference( "EntityWnd", WindowPositionTrackerImportStringCaller( g_GroupDlg.m_position_tracker ), WindowPositionTrackerExportStringCaller( g_GroupDlg.m_position_tracker ) );

	GlobalCommands_insert( "ViewEntityInfo", FreeCaller<GroupDialog_ToggleShow>(), Accelerator( 'N' ) );
}
void GroupDialog_Destroy(){
}