mirror of
https://github.com/qgis/QGIS.git
synced 2025-11-04 00:04:25 -05:00
c49b5b777f
Rationale: - there was a lot of large objects passed by value, so potentially there's a speed bump from this - even for implicitly shared classes like QString/QList there's still a (small) cost for copying the objects when there's no reason to - it's the right thing to do!
62 lines
2.3 KiB
Plaintext
62 lines
2.3 KiB
Plaintext
class QgsSpinBox : QSpinBox
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{
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%TypeHeaderCode
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#include <qgsspinbox.h>
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%End
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public:
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enum ClearValueMode
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{
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MinimumValue,
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MaximumValue,
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CustomValue
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};
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explicit QgsSpinBox( QWidget *parent /TransferThis/ = 0 );
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//! determines if the widget will show a clear button
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//! @note the clear button will set the widget to its minimum value
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void setShowClearButton( const bool showClearButton );
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bool showClearButton() const;
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/** Sets if the widget will allow entry of simple expressions, which are
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* evaluated and then discarded.
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* @param enabled set to true to allow expression entry
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* @note added in QGIS 2.7
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*/
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void setExpressionsEnabled( const bool enabled );
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/** Returns whether the widget will allow entry of simple expressions, which are
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* evaluated and then discarded.
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* @returns true if spin box allows expression entry
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* @note added in QGIS 2.7
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*/
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bool expressionsEnabled() const;
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//! Set the current value to the value defined by the clear value.
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virtual void clear();
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/**
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* @brief setClearValue defines the clear value for the widget and will automatically set the clear value mode to CustomValue
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* @param customValue defines the numerical value used as the clear value
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* @param clearValueText is the text displayed when the spin box is at the clear value. If not specified, no special value text is used.
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*/
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void setClearValue( int customValue, const QString& clearValueText = QString() );
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/**
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* @brief setClearValueMode defines if the clear value should be the minimum or maximum values of the widget or a custom value
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* @param mode mode to user for clear value
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* @param clearValueText is the text displayed when the spin box is at the clear value. If not specified, no special value text is used.
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*/
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void setClearValueMode( ClearValueMode mode, const QString& clearValueText = QString() );
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//! returns the value used when clear() is called.
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int clearValue() const;
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virtual int valueFromText( const QString & text ) const;
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virtual QValidator::State validate( QString & input, int & pos ) const;
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protected:
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virtual void resizeEvent( QResizeEvent* event );
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virtual void changeEvent( QEvent* event );
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virtual void paintEvent( QPaintEvent* event );
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};
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