In Qt5, many of them are moved to QtWidgets, so this is the only way to be source compatible with both Qt 4 and Qt 5.
244 lines
6.2 KiB
C++
244 lines
6.2 KiB
C++
/*
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* Copyright 2008 Aaron Seigo <aseigo@kde.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License as
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* published by the Free Software Foundation; either version 2, or
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* (at your option) any later version.
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*
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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. See the
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* GNU General Public License for more details
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef PLASMA_PUSHBUTTON_H
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#define PLASMA_PUSHBUTTON_H
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#include <QGraphicsProxyWidget>
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#include <kicon.h>
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class KPushButton;
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#include <plasma/plasma_export.h>
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namespace Plasma
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{
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class PushButtonPrivate;
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/**
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* @class PushButton plasma/widgets/pushbutton.h <Plasma/Widgets/PushButton>
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*
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* @short Provides a plasma-themed KPushButton.
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*/
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class PLASMA_EXPORT PushButton : public QGraphicsProxyWidget
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{
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Q_OBJECT
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Q_PROPERTY(QGraphicsWidget *parentWidget READ parentWidget)
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Q_PROPERTY(QString text READ text WRITE setText)
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Q_PROPERTY(QString image READ image WRITE setImage)
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Q_PROPERTY(QString styleSheet READ styleSheet WRITE setStyleSheet)
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Q_PROPERTY(KPushButton *nativeWidget READ nativeWidget)
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Q_PROPERTY(QAction *action READ action WRITE setAction)
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Q_PROPERTY(QIcon icon READ icon WRITE setIcon)
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Q_PROPERTY(bool checkable READ isCheckable WRITE setCheckable)
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Q_PROPERTY(bool checked READ isChecked WRITE setChecked)
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Q_PROPERTY(bool down READ isDown)
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public:
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explicit PushButton(QGraphicsWidget *parent = 0);
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~PushButton();
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/**
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* Sets the display text for this PushButton
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*
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* @param text the text to display; should be translated.
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*/
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void setText(const QString &text);
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/**
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* @return the display text
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*/
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QString text() const;
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/**
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* Sets the path to an image to display.
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*
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* @param path the path to the image; if a relative path, then a themed image will be loaded.
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*/
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void setImage(const QString &path);
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/**
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* Sets the path to an svg image to display and the id of the used svg element, if necessary.
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*
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* @param path the path to the image; if a relative path, then a themed image will be loaded.
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* @param elementid the id of a svg element.
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*
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* @since 4.4
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*/
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void setImage(const QString &path, const QString &elementid);
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/**
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* @return the image path being displayed currently, or an empty string if none.
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*/
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QString image() const;
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/**
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* Sets the stylesheet used to control the visual display of this PushButton
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*
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* @param stylesheet a CSS string
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*/
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void setStyleSheet(const QString &stylesheet);
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/**
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* @return the stylesheet currently used with this widget
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*/
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QString styleSheet();
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/**
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* Associate an action with this IconWidget
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* this makes the button follow the state of the action, using its icon, text, etc.
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* when the button is clicked, it will also trigger the action.
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*
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* @since 4.3
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*/
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void setAction(QAction *action);
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/**
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* @return the currently associated action, if any.
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*
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* @since 4.3
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*/
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QAction *action() const;
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/**
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* sets the icon for this push button
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*
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* @param icon the icon to use
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*
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* @since 4.3
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*/
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void setIcon(const QIcon &icon);
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/**
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* sets the icon for this push button using a KIcon
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*
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* @param icon the icon to use
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*
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* @since 4.4
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*/
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void setIcon(const KIcon &icon);
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/**
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* @return the icon of this button
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*
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* @since 4.3
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*/
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QIcon icon() const;
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/**
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* Sets whether or not this button can be toggled on/off
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*
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* @since 4.3
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*/
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void setCheckable(bool checkable);
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/**
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* @return true if the button is checkable
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* @see setCheckable
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* @since 4.4
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*/
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bool isCheckable() const;
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/**
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* @return true if the button is checked; requires setIsCheckable(true) to
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* be called
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*
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* @since 4.3
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*/
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bool isChecked() const;
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/**
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* @return true if the button is pressed down
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* @since 4.4
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*/
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bool isDown() const;
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/**
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* @return the native widget wrapped by this PushButton
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*/
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KPushButton *nativeWidget() const;
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Q_SIGNALS:
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/**
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* Emitted when the button is pressed down; usually the clicked() signal
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* will suffice, however.
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* @since 4.4
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*/
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void pressed();
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/**
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* Emitted when the button is released; usually the clicked() signal
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* will suffice, however.
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* @since 4.4
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*/
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void released();
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/**
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* Emitted when the button is pressed then released, completing a click
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*/
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void clicked();
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/**
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* Emitted when the button changes state from up to down
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*/
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void toggled(bool);
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public Q_SLOTS:
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/**
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* Performs a visual click and emits the associated signals
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* @since 4.6
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*/
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void click();
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/**
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* Sets whether or not this button is checked. Implies setIsCheckable(true).
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*
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* @since 4.3
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*/
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void setChecked(bool checked);
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protected:
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void paint(QPainter *painter,
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const QStyleOptionGraphicsItem *option,
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QWidget *widget = 0);
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void resizeEvent(QGraphicsSceneResizeEvent *event);
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void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
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void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
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void changeEvent(QEvent *event);
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QSizeF sizeHint(Qt::SizeHint which, const QSizeF & constraint) const;
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private:
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Q_PRIVATE_SLOT(d, void syncBorders())
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Q_PRIVATE_SLOT(d, void setPixmap())
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Q_PRIVATE_SLOT(d, void pressedChanged())
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Q_PRIVATE_SLOT(d, void syncToAction())
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Q_PRIVATE_SLOT(d, void clearAction())
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Q_PRIVATE_SLOT(d, void setPalette())
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friend class PushButtonPrivate;
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PushButtonPrivate *const d;
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};
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} // namespace Plasma
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#endif // multiple inclusion guard
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