167 lines
4.4 KiB
C++
167 lines
4.4 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_LABEL_H
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#define PLASMA_LABEL_H
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#include <QtGui/QGraphicsProxyWidget>
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#include <plasma/plasma_export.h>
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#include <plasma/dataengine.h>
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class QLabel;
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namespace Plasma
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{
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class LabelPrivate;
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/**
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* @class Label plasma/widgets/label.h <Plasma/Widgets/Label>
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*
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* @short Provides a plasma-themed QLabel.
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*/
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class PLASMA_EXPORT Label : 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(Qt::Alignment alignment READ alignment WRITE setAlignment)
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Q_PROPERTY(bool hasScaledContents READ hasScaledContents WRITE setScaledContents)
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Q_PROPERTY(QString styleSheet READ styleSheet WRITE setStyleSheet)
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Q_PROPERTY(QLabel *nativeWidget READ nativeWidget)
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public:
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/**
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* Constructs a label with word wrap on by default
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*
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* @arg parent the parent of this widget
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*/
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explicit Label(QGraphicsWidget *parent = 0);
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~Label();
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/**
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* Sets the display text for this Label
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*
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* @arg 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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* @arg 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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* @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 alignment for the text
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*
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* @arg the desired alignment
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*/
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void setAlignment(Qt::Alignment alignment);
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/**
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* @return the alignment for the text used in the labels
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*/
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Qt::Alignment alignment() const;
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/**
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* Scale or not the contents of the label to the label size
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*
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* @arg scale
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*/
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void setScaledContents(bool scaled);
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/**
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* @return true if the contents are scaled to the label size
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*/
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bool hasScaledContents() const;
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/**
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* Set if the text on the label can be selected with the mouse
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*
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* @arg enable true if we want to manage text selection with the mouse
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* @since 4.4
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*/
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void setTextSelectable(bool enable);
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/**
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* @return true if the text is selectable with the mouse
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* @since 4.4
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*/
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bool textSelectable() const;
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/**
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* Sets the stylesheet used to control the visual display of this Label
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*
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* @arg 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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* @return the native widget wrapped by this Label
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*/
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QLabel *nativeWidget() const;
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Q_SIGNALS:
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void linkActivated(const QString &link);
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void linkHovered(const QString &link);
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public Q_SLOTS:
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void dataUpdated(const QString &sourceName, const Plasma::DataEngine::Data &data);
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protected:
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void resizeEvent(QGraphicsSceneResizeEvent *event);
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void mousePressEvent(QGraphicsSceneMouseEvent *event);
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void paint(QPainter *painter,
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const QStyleOptionGraphicsItem *option,
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QWidget *widget);
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void changeEvent(QEvent *event);
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bool event(QEvent *event);
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void contextMenuEvent(QGraphicsSceneContextMenuEvent *event);
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private:
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Q_PRIVATE_SLOT(d, void setPalette())
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Q_PRIVATE_SLOT(d, void setPixmap())
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LabelPrivate * const d;
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};
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} // namespace Plasma
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#endif // multiple inclusion guard
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