/*
	QGLView
	Copyright (C) 2019  Ivan Pelipenko peri4ko@yandex.ru

	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 3 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, see <http://www.gnu.org/licenses/>.
*/

#ifndef MOUSE_CONTROLLER_H
#define MOUSE_CONTROLLER_H

#include "glprimitives.h"
#include "glcamera.h"
#include "renderer_service.h"
#include <QMouseEvent>
#include <QTime>


class MouseController: public QObject
{
	friend class QGLView;
	friend class RendererSelection;
	Q_OBJECT
public:
	MouseController(QGLView * view_);
	virtual ~MouseController();

	bool isGrabMouseEnabled() const {return grabMouse_;}
	bool isMouseRotateEnabled() const {return mouseRotate_;}
	bool isMouseSelectionEnabled() const {return mouseSelect_;}
	bool isCameraOrbit() const {return cameraOrbit_;}

	Qt::MouseButton selectionButton() const {return sel_button;}
	Qt::KeyboardModifier selectionModifier() const {return sel_mod;}

	void setSelectionButton(Qt::MouseButton v) {sel_button = v;}
	void setSelectionModifier(Qt::KeyboardModifier v) {sel_mod = v;}

protected:
	void resize();
	void mousePressEvent(QMouseEvent * e);
	void mouseMoveEvent(QMouseEvent * e);
	void mouseReleaseEvent(QMouseEvent * e);
	void wheelEvent(QWheelEvent * e);
	void leaveEvent(QEvent * );
	void mouseDoubleClickEvent(QMouseEvent * e);

private:
	QGLView * view;
	QPoint lastPos, downPos;
	QSet<int> keys_;
	QVector<ObjectBase * > hov_objects, hov_aims;
	Qt::MouseButton sel_button;
	Qt::KeyboardModifier sel_mod;
	RendererService::HandleAction cur_action;
	QFlags<RendererService::HandleMesh> cur_handle;
	float app_scale;
	bool grabMouse_, mouse_first, mouseRotate_, mouseSelect_, customMouseMove_, canSelect_;
	bool cameraOrbit_, selecting_, mouse_sec;

private slots:

public slots:
	void setGrabMouseEnabled(const bool & arg) {grabMouse_ = arg; mouse_first = true;}
	void setMouseRotateEnabled(const bool & arg) {mouseRotate_ = arg;}
	void setMouseSelectionEnabled(const bool & arg) {mouseSelect_ = arg;}
	void setCustomMouseMove(const bool & arg) {customMouseMove_ = arg;}
	void setCameraOrbit(const bool & arg) {cameraOrbit_ = arg;}

signals:

};

#endif // QGLVIEW_H