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133 lines
3.6 KiB
C++
133 lines
3.6 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Copyright (C) 2016-2020 Ivailo Monev
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**
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** This file is part of the QtGui module of the Katie Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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**
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QWIDGETRESIZEHANDLER_P_H
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#define QWIDGETRESIZEHANDLER_P_H
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//
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// W A R N I N G
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// -------------
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//
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// This file is not part of the Katie API. This header file may
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// change from version to version without notice, or even be
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// removed.
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//
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// We mean it.
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//
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#include "QtCore/qobject.h"
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#include "QtCore/qpoint.h"
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#ifndef QT_NO_RESIZEHANDLER
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QT_BEGIN_NAMESPACE
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class QMouseEvent;
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class QKeyEvent;
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class Q_GUI_EXPORT QWidgetResizeHandler : public QObject
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{
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Q_OBJECT
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public:
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enum Action {
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Move = 0x01,
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Resize = 0x02,
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Any = Move | Resize
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};
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explicit QWidgetResizeHandler(QWidget *parent, QWidget *cw = 0);
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void setActive(bool b) { setActive(Any, b); }
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void setActive(Action ac, bool b);
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bool isActive() const { return isActive(Any); }
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bool isActive(Action ac) const;
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void setMovingEnabled(bool b) { movingEnabled = b; }
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bool isMovingEnabled() const { return movingEnabled; }
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bool isButtonDown() const { return buttonDown; }
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void setExtraHeight(int h) { extrahei = h; }
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void setSizeProtection(bool b) { sizeprotect = b; }
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void setFrameWidth(int w) { fw = w; }
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void doResize();
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void doMove();
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Q_SIGNALS:
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void activate();
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protected:
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bool eventFilter(QObject *o, QEvent *e);
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void mouseMoveEvent(QMouseEvent *e);
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void keyPressEvent(QKeyEvent *e);
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private:
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Q_DISABLE_COPY(QWidgetResizeHandler)
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enum MousePosition {
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Nowhere,
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TopLeft, BottomRight, BottomLeft, TopRight,
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Top, Bottom, Left, Right,
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Center
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};
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QWidget *widget;
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QWidget *childWidget;
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QPoint moveOffset;
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QPoint invertedMoveOffset;
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MousePosition mode;
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int fw;
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int extrahei;
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int range;
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bool buttonDown;
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bool moveResizeMode;
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bool activeForResize;
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bool sizeprotect;
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bool movingEnabled;
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bool activeForMove;
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void setMouseCursor(MousePosition m);
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bool isMove() const {
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return moveResizeMode && mode == Center;
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}
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bool isResize() const {
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return moveResizeMode && !isMove();
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}
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};
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QT_END_NAMESPACE
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#endif // QT_NO_RESIZEHANDLER
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#endif // QWIDGETRESIZEHANDLER_P_H
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