/*
   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 "plugintoolbar.h"


#include "itoolbar.h"
#include "modulesystem.h"

#include <gtk/gtktoolbar.h>

#include "stream/stringstream.h"
#include "gtkutil/image.h"
#include "gtkutil/container.h"

#include "mainframe.h"
#include "plugin.h"

GtkImage* new_plugin_image( const char* filename ){
	{
		StringOutputStream fullpath( 256 );
		fullpath << GameToolsPath_get() << g_pluginsDir << "bitmaps/" << filename;
		GtkImage* image = image_new_from_file_with_mask( fullpath.c_str() );
		if ( image != 0 ) {
			return image;
		}
	}

	{
		StringOutputStream fullpath( 256 );
		fullpath << AppPath_get() << g_pluginsDir << "bitmaps/" << filename;
		GtkImage* image = image_new_from_file_with_mask( fullpath.c_str() );
		if ( image != 0 ) {
			return image;
		}
	}

	{
		StringOutputStream fullpath( 256 );
		fullpath << AppPath_get() << g_modulesDir << "bitmaps/" << filename;
		GtkImage* image = image_new_from_file_with_mask( fullpath.c_str() );
		if ( image != 0 ) {
			return image;
		}
	}

	return image_new_missing();
}

inline GtkToolbarChildType gtktoolbarchildtype_for_toolbarbuttontype( IToolbarButton::EType type ){
	switch ( type )
	{
	case IToolbarButton::eSpace:
		return GTK_TOOLBAR_CHILD_SPACE;
	case IToolbarButton::eButton:
		return GTK_TOOLBAR_CHILD_BUTTON;
	case IToolbarButton::eToggleButton:
		return GTK_TOOLBAR_CHILD_TOGGLEBUTTON;
	case IToolbarButton::eRadioButton:
		return GTK_TOOLBAR_CHILD_RADIOBUTTON;
	}
	ERROR_MESSAGE( "invalid toolbar button type" );
	return (GtkToolbarChildType)0;
}

void toolbar_insert( GtkToolbar *toolbar, const char* icon, const char* text, const char* tooltip, IToolbarButton::EType type, GtkSignalFunc handler, gpointer data ){
	gtk_toolbar_append_element( toolbar, gtktoolbarchildtype_for_toolbarbuttontype( type ), 0, text, tooltip, "", GTK_WIDGET( new_plugin_image( icon ) ), handler, data );
}

void ActivateToolbarButton( GtkWidget *widget, gpointer data ){
	const_cast<const IToolbarButton*>( reinterpret_cast<IToolbarButton*>( data ) )->activate();
}

void PlugInToolbar_AddButton( GtkToolbar* toolbar, const IToolbarButton* button ){
	toolbar_insert( toolbar, button->getImage(), button->getText(), button->getTooltip(), button->getType(), GTK_SIGNAL_FUNC( ActivateToolbarButton ), reinterpret_cast<gpointer>( const_cast<IToolbarButton*>( button ) ) );
}

GtkToolbar* g_plugin_toolbar = 0;

void PluginToolbar_populate(){
	class AddToolbarItemVisitor : public ToolbarModules::Visitor
	{
	GtkToolbar* m_toolbar;
public:
	AddToolbarItemVisitor( GtkToolbar* toolbar )
		: m_toolbar( toolbar ){
	}
	void visit( const char* name, const _QERPlugToolbarTable& table ) const {
		const std::size_t count = table.m_pfnToolbarButtonCount();
		for ( std::size_t i = 0; i < count; ++i )
		{
			PlugInToolbar_AddButton( m_toolbar, table.m_pfnGetToolbarButton( i ) );
		}
	}

	} visitor( g_plugin_toolbar );

	Radiant_getToolbarModules().foreachModule( visitor );
}

void PluginToolbar_clear(){
	container_remove_all( GTK_CONTAINER( g_plugin_toolbar ) );
}

GtkToolbar* create_plugin_toolbar(){
	GtkToolbar *toolbar;

	toolbar = GTK_TOOLBAR( gtk_toolbar_new() );
	gtk_toolbar_set_orientation( toolbar, GTK_ORIENTATION_HORIZONTAL );
	gtk_toolbar_set_style( toolbar, GTK_TOOLBAR_ICONS );
	gtk_widget_show( GTK_WIDGET( toolbar ) );

	g_plugin_toolbar = toolbar;

	PluginToolbar_populate();

	return toolbar;
}