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newspark110/lib/gui/rs_eventhandler.h
Chenwenxuan edac2715f0 init
2024-03-06 14:54:30 +08:00

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2.9 KiB
C++

/****************************************************************************
**
** This file is part of the LibreCAD project, a 2D CAD program
**
** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl)
** Copyright (C) 2001-2003 RibbonSoft. All rights reserved.
**
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file gpl-2.0.txt included in the
** packaging of this file.
**
** 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
**
** This copyright notice MUST APPEAR in all copies of the script!
**
**********************************************************************/
#ifndef RS_EVENTHANDLER_H
#define RS_EVENTHANDLER_H
#include <QObject>
#include "rs_vector.h"
class RS_ActionInterface;
class QAction;
class QMouseEvent;
class QKeyEvent;
class RS_CommandEvent;
class RS_Vector;
struct RS_SnapMode;
/**
* The event handler owns and manages all actions that are currently
* active. All events going from the view to the actions come over
* this class.
*/
class RS_EventHandler : public QObject
{
Q_OBJECT
public:
RS_EventHandler(QObject* parent = 0);
~RS_EventHandler();
void setQAction(QAction* action);
void back();
void enter();
void mousePressEvent(QMouseEvent *e);
void mouseReleaseEvent(QMouseEvent *e);
void mouseMoveEvent(QMouseEvent *e);
void mouseLeaveEvent();
void mouseEnterEvent();
void keyPressEvent(QKeyEvent* e);
void keyReleaseEvent(QKeyEvent* e);
void commandEvent(RS_CommandEvent* e);
void enableCoordinateInput();
void disableCoordinateInput();
void setDefaultAction(RS_ActionInterface* action);
RS_ActionInterface* getDefaultAction() const;
void setCurrentAction(RS_ActionInterface* action);
RS_ActionInterface* getCurrentAction();
bool isValid(RS_ActionInterface* action) const;
void killSelectActions();
void killAllActions();
bool hasAction();
void cleanUp();
void debugActions() const;
void setSnapMode(RS_SnapMode sm);
void setSnapRestriction(RS2::SnapRestriction sr);
//! return true if the current action is for selecting
bool inSelectionMode();
private:
QAction* q_action{nullptr};
RS_ActionInterface* defaultAction{nullptr};
QList<RS_ActionInterface*> currentActions;
bool coordinateInputEnabled{true};
RS_Vector relative_zero;
public slots:
void setRelativeZero(const RS_Vector&);
};
#endif