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baldurk
79979b60c7
* This prevents a feedback loop where the label resizes wider to make room for the margins, then the margins get bigger to keep the image centred/scaled properly, etc.
58 lines
2.1 KiB
C++
58 lines
2.1 KiB
C++
/******************************************************************************
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* The MIT License (MIT)
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*
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* Copyright (c) 2016-2017 Baldur Karlsson
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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******************************************************************************/
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#pragma once
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#include <QLabel>
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class RDLabel : public QLabel
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{
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private:
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Q_OBJECT
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public:
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explicit RDLabel(QWidget *parent = 0);
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~RDLabel();
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QSize sizeHint() const override;
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QSize minimumSizeHint() const override;
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void setPreserveAspectRatio(bool preserve) { m_preserveRatio = preserve; }
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bool preserveAspectRatio() { return m_preserveRatio; }
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signals:
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void clicked(QMouseEvent *event);
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void doubleClicked(QMouseEvent *event);
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void mouseMoved(QMouseEvent *event);
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void leave();
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public slots:
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protected:
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void mousePressEvent(QMouseEvent *event) override;
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void mouseMoveEvent(QMouseEvent *event) override;
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void mouseDoubleClickEvent(QMouseEvent *event) override;
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void leaveEvent(QEvent *event) override;
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void resizeEvent(QResizeEvent *event) override;
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bool m_preserveRatio = false;
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};
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