Qt-Advanced-Docking-System/src/ElidingLabel.h

109 lines
3.3 KiB
C++

#ifndef ElidingLabelH
#define ElidingLabelH
/*******************************************************************************
** Qt Advanced Docking System
** Copyright (C) 2017 Uwe Kindler
**
** This library is free software; you can redistribute it and/or
** modify it under the terms of the GNU Lesser General Public
** License as published by the Free Software Foundation; either
** version 2.1 of the License, or (at your option) any later version.
**
** This library is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
** Lesser General Public License for more details.
**
** You should have received a copy of the GNU Lesser General Public
** License along with this library; If not, see <http://www.gnu.org/licenses/>.
******************************************************************************/
//============================================================================
/// \file ElidingLabel.h
/// \author Uwe Kindler
/// \date 05.11.2018
/// \brief Declaration of CElidingLabel
//============================================================================
//============================================================================
// INCLUDES
//============================================================================
#include <QLabel>
#include "ads_globals.h"
namespace ads
{
struct ElidingLabelPrivate;
/**
* A QLabel that supports eliding text.
* Because the functions setText() and text() are no virtual functions setting
* and reading the text via a pointer to the base class QLabel does not work
* properly
*/
class ADS_EXPORT CElidingLabel : public QLabel
{
Q_OBJECT
private:
ElidingLabelPrivate* d;
friend struct ElidingLabelPrivate;
protected:
virtual void mouseReleaseEvent(QMouseEvent* event) override;
virtual void resizeEvent( QResizeEvent *event ) override;
virtual void mouseDoubleClickEvent( QMouseEvent *ev ) override;
public:
using Super = QLabel;
CElidingLabel(QWidget* parent = 0, Qt::WindowFlags f = Qt::WindowFlags ());
CElidingLabel(const QString& text, QWidget* parent = 0, Qt::WindowFlags f = Qt::WindowFlags ());
virtual ~CElidingLabel();
/**
* Returns the text elide mode.
* The default mode is ElideNone
*/
Qt::TextElideMode elideMode() const;
/**
* Sets the text elide mode
*/
void setElideMode(Qt::TextElideMode mode);
/**
* This function indicates whether the text on this label is currently elided
*/
bool isElided() const;
public: // reimplements QLabel ----------------------------------------------
virtual QSize minimumSizeHint() const override;
virtual QSize sizeHint() const override;
void setText(const QString &text);
QString text() const;
Q_SIGNALS:
/**
* This signal is emitted if the user clicks on the label (i.e. pressed
* down then released while the mouse cursor is inside the label)
*/
void clicked();
/**
* This signal is emitted if the user does a double click on the label
*/
void doubleClicked();
/**
* This signal is emitted when isElided() state of this label is changed
*/
void elidedChanged(bool elided);
}; //class CElidingLabel
} // namespace QtLabb
//---------------------------------------------------------------------------
#endif // ElidingLabelH