/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * $URL$
 * $Id$
 *
 */

#include "gui/ThemeData.h"

#include "graphics/VectorRenderer.h"

namespace GUI {

/**********************************************************
 *	Data definitions for theme engine elements
 *********************************************************/
const ThemeEngine::DrawDataInfo ThemeEngine::kDrawDataDefaults[] = {
	{kDDMainDialogBackground,		"mainmenu_bg",		true,	kDDNone},
	{kDDSpecialColorBackground,		"special_bg",		true,	kDDNone},
	{kDDPlainColorBackground,		"plain_bg",			true,	kDDNone},
	{kDDDefaultBackground,			"default_bg",		true,	kDDNone},
	{kDDTextSelectionBackground,	"text_selection",	false,	kDDNone},

	{kDDWidgetBackgroundDefault,	"widget_default",	true,	kDDNone},
	{kDDWidgetBackgroundSmall,		"widget_small",		true,	kDDNone},
	{kDDWidgetBackgroundEditText,	"widget_textedit",	true,	kDDNone},
	{kDDWidgetBackgroundSlider,		"widget_slider",	true,	kDDNone},

	{kDDButtonIdle,					"button_idle",		true,	kDDWidgetBackgroundSlider},
	{kDDButtonHover,				"button_hover",	false,	kDDButtonIdle},
	{kDDButtonDisabled,				"button_disabled",	true,	kDDNone},

	{kDDSliderFull,					"slider_full",		false,	kDDNone},
	{kDDSliderHover,				"slider_hover",		false,	kDDNone},
	{kDDSliderDisabled,				"slider_disabled",	true,	kDDNone},

	{kDDCheckboxDefault,			"checkbox_default",			true,	kDDNone},
	{kDDCheckboxDisabled,			"checkbox_disabled",		true,	kDDNone},
	{kDDCheckboxSelected,			"checkbox_selected",		false,	kDDCheckboxDefault},

	{kDDTabActive,					"tab_active",				false,	kDDTabInactive},
	{kDDTabInactive,				"tab_inactive",				true,	kDDNone},
	{kDDTabBackground,				"tab_background",			true,	kDDNone},

	{kDDScrollbarBase,				"scrollbar_base",			true,	kDDNone},

	{kDDScrollbarButtonIdle,		"scrollbar_button_idle",	true,	kDDNone},
	{kDDScrollbarButtonHover,		"scrollbar_button_hover",	false,	kDDScrollbarButtonIdle},

	{kDDScrollbarHandleIdle,		"scrollbar_handle_idle",	false,	kDDNone},
	{kDDScrollbarHandleHover,		"scrollbar_handle_hover",	false,	kDDScrollbarBase},

	{kDDPopUpIdle,					"popup_idle",	true,	kDDNone},
	{kDDPopUpHover,					"popup_hover",	false,	kDDPopUpIdle},
	{kDDPopUpDisabled,				"popup_disabled",	true,	kDDNone},

	{kDDCaret,						"caret",		false,	kDDNone},
	{kDDSeparator,					"separator",	true,	kDDNone},
};

const ThemeEngine::TextDataInfo ThemeEngine::kTextDataDefaults[] = {
	{kTextDataDefault,		"text_default"},
	{kTextDataHover,		"text_hover"},
	{kTextDataDisabled,		"text_disabled"},
	{kTextDataInverted,		"text_inverted"},
	{kTextDataButton,		"text_button"},
	{kTextDataButtonHover,	"text_button_hover"},
	{kTextDataNormalFont,	"text_normal"}
};


/**********************************************************
 *	ThemeItem functions for drawing queues.
 *********************************************************/
void ThemeItemDrawData::drawSelf(bool draw, bool restore) {

	Common::Rect extendedRect = _area;
	extendedRect.grow(_engine->kDirtyRectangleThreshold + _data->_backgroundOffset);

	if (restore)
		_engine->restoreBackground(extendedRect);

	if (draw) {
		Common::List<Graphics::DrawStep>::const_iterator step;
		for (step = _data->_steps.begin(); step != _data->_steps.end(); ++step)
			_engine->renderer()->drawStep(_area, *step, _dynamicData);
	}

	_engine->addDirtyRect(extendedRect);
}

void ThemeItemTextData::drawSelf(bool draw, bool restore) {
	if (_restoreBg || restore)
		_engine->restoreBackground(_area);

	if (draw) {
		_engine->renderer()->setFgColor(_data->_color.r, _data->_color.g, _data->_color.b);
		_engine->renderer()->drawString(_data->_fontPtr, _text, _area, _alignH, _alignV, _deltax, _ellipsis);
	}

	_engine->addDirtyRect(_area);
}

void ThemeItemBitmap::drawSelf(bool draw, bool restore) {
	if (restore)
		_engine->restoreBackground(_area);

	if (draw) {
		if (_alpha)
			_engine->renderer()->blitAlphaBitmap(_bitmap, _area);
		else
			_engine->renderer()->blitSubSurface(_bitmap, _area);
	}

	_engine->addDirtyRect(_area);
}

}