/*
 *    Copyright 2012, 2013 Thomas Schöps
 *    Copyright 2012-2017 Kai Pastor
 *
 *    This file is part of OpenOrienteering.
 *
 *    OpenOrienteering 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 3 of the License, or
 *    (at your option) any later version.
 *
 *    OpenOrienteering 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 OpenOrienteering.  If not, see <http://www.gnu.org/licenses/>.
 */


#ifndef OPENORIENTEERING_DRAW_TEXT_TOOL_H
#define OPENORIENTEERING_DRAW_TEXT_TOOL_H

#include <memory>

#include <Qt>
#include <QObject>
#include <QVariant>
#include <QString>

#include "core/renderables/renderable.h"
#include "tools/tool_base.h"

class QAction;
class QEvent;
class QInputMethodEvent;
class QKeyEvent;
class QMouseEvent;
class QPainter;
class QRectF;

namespace OpenOrienteering {

class MapCoordF;
class MapEditorController;
class MapWidget;
class Symbol;
class TextObject;
class TextObjectEditorHelper;


/**
 * Tool to draw text objects.
 * 
 * This class is marked as final because its destructor calls virtual functions.
 */
class DrawTextTool final : public MapEditorToolBase
{
Q_OBJECT
public:
	DrawTextTool(MapEditorController* editor, QAction* tool_action);
	~DrawTextTool() override;
	
	void setDrawingSymbol(const Symbol* symbol);
	
protected:
	void initImpl() override;
	
	void objectSelectionChangedImpl() override;
	
	void startEditing();
	void abortEditing();
	void finishEditing() override;
	
	bool mousePressEvent(QMouseEvent* event, const MapCoordF& map_coord, MapWidget* widget) override;
	bool mouseMoveEvent(QMouseEvent* event, const MapCoordF& map_coord, MapWidget* widget) override;
	bool mouseReleaseEvent(QMouseEvent* event, const MapCoordF& map_coord, MapWidget* widget) override;
	
	bool inputMethodEvent(QInputMethodEvent* event) override;
	QVariant inputMethodQuery(Qt::InputMethodQuery property, const QVariant& argument) const override;
	
	void mouseMove() override;
	void clickPress() override;
	void clickRelease() override;
	void dragMove() override;
	void dragFinish() override;
	
	bool keyPress(QKeyEvent* event) override;
	bool keyRelease(QKeyEvent* event) override;
	
	void leaveEvent(QEvent* event) override;
	
	void resetWaitingForMouseRelease();
	void updatePreview();
	void updatePreviewText();
	int updateDirtyRectImpl(QRectF& rect) override;
	void drawImpl(QPainter* painter, MapWidget* widget) override;
	void updateStatusText() override;
	
	const Symbol* drawing_symbol;
	MapRenderables renderables;
	std::unique_ptr<TextObject, MapRenderables::ObjectDeleter> preview_text;
	std::unique_ptr<TextObjectEditorHelper> text_editor;
	bool waiting_for_mouse_release = false;
};


}  // namespace OpenOrienteering

#endif
