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3021fc86d2
values are automatically updated when the combo box unit changes This means that you can flip between units and things like the existing width and height are converted immediately to the new unit
82 lines
3.1 KiB
C++
82 lines
3.1 KiB
C++
/***************************************************************************
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qgslayoutunitscombobox.cpp
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--------------------------
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Date : July 2017
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Copyright : (C) 2017 Nyall Dawson
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Email : nyall dot dawson at gmail dot 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 "qgslayoutunitscombobox.h"
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#include "qgslayoutmeasurementconverter.h"
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QgsLayoutUnitsComboBox::QgsLayoutUnitsComboBox( QWidget *parent )
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: QComboBox( parent )
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{
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addItem( tr( "mm" ), QgsUnitTypes::LayoutMillimeters );
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setItemData( 0, tr( "Millimeters" ), Qt::ToolTipRole );
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addItem( tr( "cm" ), QgsUnitTypes::LayoutCentimeters );
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setItemData( 1, tr( "Centimeters" ), Qt::ToolTipRole );
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addItem( tr( "m" ), QgsUnitTypes::LayoutMeters );
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setItemData( 2, tr( "Meters" ), Qt::ToolTipRole );
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addItem( tr( "in" ), QgsUnitTypes::LayoutInches );
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setItemData( 3, tr( "Inches" ), Qt::ToolTipRole );
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addItem( tr( "ft" ), QgsUnitTypes::LayoutFeet );
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setItemData( 4, tr( "Feet" ), Qt::ToolTipRole );
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addItem( tr( "pt" ), QgsUnitTypes::LayoutPoints );
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setItemData( 5, tr( "Points" ), Qt::ToolTipRole );
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addItem( tr( "pica" ), QgsUnitTypes::LayoutPicas );
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setItemData( 6, tr( "Picas" ), Qt::ToolTipRole );
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addItem( tr( "px" ), QgsUnitTypes::LayoutPixels );
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setItemData( 7, tr( "Pixels" ), Qt::ToolTipRole );
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connect( this, static_cast<void ( QgsLayoutUnitsComboBox::* )( int )>( &QgsLayoutUnitsComboBox::currentIndexChanged ), this, &QgsLayoutUnitsComboBox::indexChanged );
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}
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QgsUnitTypes::LayoutUnit QgsLayoutUnitsComboBox::unit() const
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{
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return static_cast< QgsUnitTypes::LayoutUnit >( currentData().toInt() );
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}
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void QgsLayoutUnitsComboBox::setUnit( QgsUnitTypes::LayoutUnit unit )
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{
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setCurrentIndex( findData( unit ) );
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}
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void QgsLayoutUnitsComboBox::linkToWidget( QDoubleSpinBox *widget )
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{
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mLinkedSpinBoxes << widget;
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}
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void QgsLayoutUnitsComboBox::indexChanged( int )
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{
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QgsUnitTypes::LayoutUnit newUnit = unit();
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if ( mConverter )
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{
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Q_FOREACH ( const QPointer< QDoubleSpinBox > &widget, mLinkedSpinBoxes )
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{
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if ( widget )
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widget->setValue( mConverter->convert( QgsLayoutMeasurement( widget->value(), mOldUnit ), newUnit ).length() );
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}
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}
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emit changed( newUnit );
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mOldUnit = newUnit;
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}
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QgsLayoutMeasurementConverter *QgsLayoutUnitsComboBox::converter() const
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{
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return mConverter;
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}
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void QgsLayoutUnitsComboBox::setConverter( QgsLayoutMeasurementConverter *converter )
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{
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mConverter = converter;
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}
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#include "qgslayoutunitscombobox.h"
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