sharpetronics/QGIS
1
0
Fork 0
mirror of https://github.com/qgis/QGIS.git synced 2025-04-13 00:03:09 -04:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #4669 from nyalldawson/spinbox_ctrl

Browse Source 
When holding ctrl while mouse wheeling on spin box, increase in smaller amounts
This commit is contained in:
Matthias Kuhn 2017-07-08 10:37:00 +02:00 committed by GitHub
commit e2c84f1a50
6 changed files with 49 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
python/gui/editorwidgets/qgsdoublespinbox.sip
View File

@ -117,6 +117,8 @@ Set the current value to the value defined by the clear value.
protected:
virtual void changeEvent( QEvent *event );
virtual void wheelEvent( QWheelEvent *event );
};

2
python/gui/editorwidgets/qgsspinbox.sip
View File

@ -117,6 +117,8 @@ Set the current value to the value defined by the clear value.
virtual void changeEvent( QEvent *event );
virtual void paintEvent( QPaintEvent *event );
virtual void wheelEvent( QWheelEvent *event );
};

22
src/gui/editorwidgets/qgsdoublespinbox.cpp
View File

@ -62,6 +62,28 @@ void QgsDoubleSpinBox::changeEvent( QEvent *event )
mLineEdit->setShowClearButton( shouldShowClearForValue( value() ) );
}
void QgsDoubleSpinBox::wheelEvent( QWheelEvent *event )
{
double step = singleStep();
if ( event->modifiers() & Qt::ControlModifier )
{
// ctrl modifier results in finer increments - 10% of usual step
double newStep = step / 10;
// but don't ever use an increment smaller than would be visible in the widget
// i.e. if showing 2 decimals, smallest increment will be 0.01
newStep = qMax( newStep, pow( 10.0, 0.0 - decimals() ) );
setSingleStep( newStep );
// clear control modifier before handing off event - Qt uses it for unwanted purposes
// (*increasing* step size, whereas QGIS UX convention is that control modifier
// results in finer changes!)
event->setModifiers( event->modifiers() & ~Qt::ControlModifier );
}
QDoubleSpinBox::wheelEvent( event );
setSingleStep( step );
}
void QgsDoubleSpinBox::paintEvent( QPaintEvent *event )
{
mLineEdit->setShowClearButton( shouldShowClearForValue( value() ) );

1
src/gui/editorwidgets/qgsdoublespinbox.h
View File

@ -125,6 +125,7 @@ class GUI_EXPORT QgsDoubleSpinBox : public QDoubleSpinBox
protected:
virtual void changeEvent( QEvent *event ) override;
void wheelEvent( QWheelEvent *event ) override;
private slots:
void changed( double value );

21
src/gui/editorwidgets/qgsspinbox.cpp
View File

@ -68,6 +68,27 @@ void QgsSpinBox::paintEvent( QPaintEvent *event )
QSpinBox::paintEvent( event );
}
void QgsSpinBox::wheelEvent( QWheelEvent *event )
{
int step = singleStep();
if ( event->modifiers() & Qt::ControlModifier )
{
// ctrl modifier results in finer increments - 10% of usual step
int newStep = step / 10;
// step should be at least 1
newStep = qMax( newStep, 1 );
setSingleStep( newStep );
// clear control modifier before handing off event - Qt uses it for unwanted purposes
// (*increasing* step size, whereas QGIS UX convention is that control modifier
// results in finer changes!)
event->setModifiers( event->modifiers() & ~Qt::ControlModifier );
}
QSpinBox::wheelEvent( event );
setSingleStep( step );
}
void QgsSpinBox::changed( int value )
{
mLineEdit->setShowClearButton( shouldShowClearForValue( value ) );

1
src/gui/editorwidgets/qgsspinbox.h
View File

@ -126,6 +126,7 @@ class GUI_EXPORT QgsSpinBox : public QSpinBox
virtual void changeEvent( QEvent *event ) override;
virtual void paintEvent( QPaintEvent *event ) override;
void wheelEvent( QWheelEvent *event ) override;
private slots:
void changed( int value );