mirror of
https://github.com/qTox/qTox.git
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90 lines
2.5 KiB
C
90 lines
2.5 KiB
C
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/*
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Copyright (C) 2014 by Project Tox <https://tox.im>
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This file is part of qTox, a Qt-based graphical interface for Tox.
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This program is libre software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the COPYING file for more details.
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*/
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#ifndef SCREENGRABBERCHOOSERRECTITEM_HPP
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#define SCREENGRABBERCHOOSERRECTITEM_HPP
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#include <QGraphicsItemGroup>
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class ScreenGrabberChooserRectItem : public QObject, public QGraphicsItemGroup
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{
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Q_OBJECT
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public:
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ScreenGrabberChooserRectItem(QGraphicsScene* scene);
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~ScreenGrabberChooserRectItem();
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QRectF boundingRect() const;
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void beginResize();
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QRect chosenRect() const;
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void showHandles();
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void hideHandles();
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signals:
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void doubleClicked();
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void regionChosen(QRect rect);
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protected:
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bool sceneEventFilter(QGraphicsItem* watched, QEvent* event);
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private:
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enum State {
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None,
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Resizing,
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HandleResizing,
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Moving,
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};
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State state = None;
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int rectWidth = 0;
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int rectHeight = 0;
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void forwardMainRectEvent(QEvent* event);
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void forwardHandleEvent(QGraphicsItem* watched, QEvent* event);
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void mousePress(QGraphicsSceneMouseEvent* event);
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void mouseMove(QGraphicsSceneMouseEvent* event);
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void mouseRelease(QGraphicsSceneMouseEvent* event);
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void mouseDoubleClick(QGraphicsSceneMouseEvent* event);
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void mousePressHandle(int x, int y, QGraphicsSceneMouseEvent* event);
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void mouseMoveHandle(int x, int y, QGraphicsSceneMouseEvent* event);
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void mouseReleaseHandle(int x, int y, QGraphicsSceneMouseEvent* event);
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QPoint getHandleMultiplier(QGraphicsItem* handle);
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void updateHandlePositions();
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QGraphicsRectItem* createHandleItem(QGraphicsScene* scene);
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QGraphicsRectItem* mainRect;
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QGraphicsRectItem* topLeft;
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QGraphicsRectItem* topCenter;
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QGraphicsRectItem* topRight;
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QGraphicsRectItem* rightCenter;
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QGraphicsRectItem* bottomRight;
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QGraphicsRectItem* bottomCenter;
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QGraphicsRectItem* bottomLeft;
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QGraphicsRectItem* leftCenter;
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};
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#endif // SCREENGRABBERCHOOSERRECTITEM_HPP
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