/usr/include/qgis/qgsdoublespinbox.h is in libqgis-dev 2.14.11+dfsg-3+deb9u1.
This file is owned by root:root, with mode 0o644.
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qgsdoublespinbox.h
--------------------------------------
Date : 09.2014
Copyright : (C) 2014 Denis Rouzaud
Email : denis.rouzaud@gmail.com
***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef QGSDOUBLESPPINBOX_H
#define QGSDOUBLESPPINBOX_H
#include <QDoubleSpinBox>
#include <QToolButton>
/**
* @brief The QgsSpinBox is a spin box with a clear button that will set the value to the defined clear value.
* The clear value can be either the minimum or the maiximum value of the spin box or a custom value.
* This value can then be handled by a special value text.
*/
class GUI_EXPORT QgsDoubleSpinBox : public QDoubleSpinBox
{
Q_OBJECT
Q_PROPERTY( bool showClearButton READ showClearButton WRITE setShowClearButton )
Q_PROPERTY( bool expressionsEnabled READ expressionsEnabled WRITE setExpressionsEnabled )
public:
enum ClearValueMode
{
MinimumValue,
MaximumValue,
CustomValue
};
explicit QgsDoubleSpinBox( QWidget *parent = nullptr );
//! determines if the widget will show a clear button
//! @note the clear button will set the widget to its minimum value
void setShowClearButton( const bool showClearButton );
bool showClearButton() const {return mShowClearButton;}
/** Sets if the widget will allow entry of simple expressions, which are
* evaluated and then discarded.
* @param enabled set to true to allow expression entry
* @note added in QGIS 2.7
*/
void setExpressionsEnabled( const bool enabled );
/** Returns whether the widget will allow entry of simple expressions, which are
* evaluated and then discarded.
* @returns true if spin box allows expression entry
* @note added in QGIS 2.7
*/
bool expressionsEnabled() const {return mExpressionsEnabled;}
//! Set the current value to the value defined by the clear value.
virtual void clear() override;
/**
* @brief setClearValue defines the clear value as a custom value and will automatically set the clear value mode to CustomValue
* @param customValue defines the numerical value used as the clear value
* @param clearValueText is the text displayed when the spin box is at the clear value. If not specified, no special value text is used.
*/
void setClearValue( double customValue, const QString& clearValueText = QString() );
/**
* @brief setClearValueMode defines if the clear value should be the minimum or maximum values of the widget or a custom value
* @param mode mode to user for clear value
* @param clearValueText is the text displayed when the spin box is at the clear value. If not specified, no special value text is used.
*/
void setClearValueMode( ClearValueMode mode, const QString& clearValueText = QString() );
//! returns the value used when clear() is called.
double clearValue() const;
virtual double valueFromText( const QString & text ) const override;
virtual QValidator::State validate( QString & input, int & pos ) const override;
protected:
virtual void resizeEvent( QResizeEvent* event ) override;
virtual void changeEvent( QEvent* event ) override;
virtual void paintEvent( QPaintEvent* event ) override;
private slots:
void changed( double value );
private:
int frameWidth() const;
bool shouldShowClearForValue( const double value ) const;
bool mShowClearButton;
ClearValueMode mClearValueMode;
double mCustomClearValue;
bool mExpressionsEnabled;
QToolButton* mClearButton;
QString stripped( const QString &originalText ) const;
};
#endif // QGSDOUBLESPPINBOX_H
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