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70 lines
2.5 KiB
C++
70 lines
2.5 KiB
C++
/***************************************************************************
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qgsopacitywidget.cpp
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-------------------
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Date : May 2017
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Copyright : (C) 2017 Nyall Dawson
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Email : nyall.dawson@gmail.com
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***************************************************************************
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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 General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#include "qgsopacitywidget.h"
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#include "qgsdoublespinbox.h"
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#include <QHBoxLayout>
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#include <QSlider>
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QgsOpacityWidget::QgsOpacityWidget( QWidget *parent )
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: QWidget( parent )
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{
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QHBoxLayout *layout = new QHBoxLayout();
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layout->setContentsMargins( 0, 0, 0, 0 );
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layout->setSpacing( 3 );
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setLayout( layout );
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mSlider = new QSlider();
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mSlider->setMinimum( 0 );
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mSlider->setMaximum( 1000 );
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mSlider->setSingleStep( 10 );
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mSlider->setPageStep( 100 );
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mSlider->setValue( 1000 );
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mSlider->setOrientation( Qt::Horizontal );
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layout->addWidget( mSlider, 1 );
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mSpinBox = new QgsDoubleSpinBox();
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mSpinBox->setMinimum( 0.0 );
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mSpinBox->setMaximum( 100.0 );
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mSpinBox->setValue( 100.0 );
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mSpinBox->setClearValue( 100.0 );
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mSpinBox->setMinimumSize( QSize( 100, 0 ) );
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mSpinBox->setDecimals( 1 );
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mSpinBox->setSuffix( tr( " %" ) );
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layout->addWidget( mSpinBox, 0 );
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setFocusProxy( mSpinBox );
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connect( mSlider, &QSlider::valueChanged, this, [ = ]( int value ) { mSpinBox->setValue( value / 10.0 ); } );
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connect( mSpinBox, static_cast < void ( QgsDoubleSpinBox::* )( double ) > ( &QgsDoubleSpinBox::valueChanged ), this, [ = ]( double value ) { whileBlocking( mSlider )->setValue( value * 10 ); } );
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connect( mSpinBox, static_cast < void ( QgsDoubleSpinBox::* )( double ) > ( &QgsDoubleSpinBox::valueChanged ), this, &QgsOpacityWidget::spinChanged );
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}
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double QgsOpacityWidget::opacity() const
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{
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return mSpinBox->value() / 100.0;
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}
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void QgsOpacityWidget::setOpacity( double opacity )
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{
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mSpinBox->setValue( opacity * 100.0 );
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}
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void QgsOpacityWidget::spinChanged( double value )
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{
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emit opacityChanged( value / 100.0 );
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}
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