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qgsannotationwidget.cpp
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qgsannotationwidget.cpp
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/***************************************************************************
qgsannotationwidget.cpp
------------------------
begin : February 25, 2010
copyright : (C) 2010 by Marco Hugentobler
email : marco dot hugentobler at hugis dot net
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#include "qgsannotationwidget.h"
#include "qgsmapcanvasannotationitem.h"
#include "qgsannotation.h"
#include "qgsstyle.h"
#include "qgssymbollayerutils.h"
#include "qgssymbol.h"
#include "qgssymbolselectordialog.h"
#include <QColorDialog>
QgsAnnotationWidget::QgsAnnotationWidget( QgsMapCanvasAnnotationItem* item, QWidget * parent, Qt::WindowFlags f )
: QWidget( parent, f )
, mItem( item )
, mMarkerSymbol( nullptr )
{
setupUi( this );
mLayerComboBox->setAllowEmptyLayer( true );
if ( mItem && mItem->annotation() )
{
QgsAnnotation* annotation = mItem->annotation();
blockAllSignals( true );
if ( annotation->hasFixedMapPosition() )
{
mMapPositionFixedCheckBox->setCheckState( Qt::Checked );
}
else
{
mMapPositionFixedCheckBox->setCheckState( Qt::Unchecked );
}
mFrameWidthSpinBox->setValue( annotation->frameBorderWidth() );
mFrameColorButton->setColor( annotation->frameColor() );
mFrameColorButton->setColorDialogTitle( tr( "Select frame color" ) );
mFrameColorButton->setAllowAlpha( true );
mFrameColorButton->setContext( QStringLiteral( "symbology" ) );
mFrameColorButton->setNoColorString( tr( "Transparent frame" ) );
mFrameColorButton->setShowNoColor( true );
mBackgroundColorButton->setColor( annotation->frameBackgroundColor() );
mBackgroundColorButton->setColorDialogTitle( tr( "Select background color" ) );
mBackgroundColorButton->setAllowAlpha( true );
mBackgroundColorButton->setContext( QStringLiteral( "symbology" ) );
mBackgroundColorButton->setNoColorString( tr( "Transparent" ) );
mBackgroundColorButton->setShowNoColor( true );
mLayerComboBox->setLayer( annotation->mapLayer() );
connect( mBackgroundColorButton, &QgsColorButton::colorChanged, this, &QgsAnnotationWidget::backgroundColorChanged );
const QgsMarkerSymbol* symbol = annotation->markerSymbol();
if ( symbol )
{
mMarkerSymbol.reset( symbol->clone() );
updateCenterIcon();
}
blockAllSignals( false );
}
}
QgsAnnotationWidget::~QgsAnnotationWidget()
{
}
void QgsAnnotationWidget::apply()
{
if ( mItem )
{
QgsAnnotation* annotation = mItem->annotation();
if ( annotation )
{
annotation->setHasFixedMapPosition( mMapPositionFixedCheckBox->checkState() == Qt::Checked );
annotation->setFrameBorderWidth( mFrameWidthSpinBox->value() );
annotation->setFrameColor( mFrameColorButton->color() );
annotation->setFrameBackgroundColor( mBackgroundColorButton->color() );
annotation->setMarkerSymbol( mMarkerSymbol->clone() );
annotation->setMapLayer( mLayerComboBox->currentLayer() );
}
mItem->update();
}
}
void QgsAnnotationWidget::blockAllSignals( bool block )
{
mMapPositionFixedCheckBox->blockSignals( block );
mMapMarkerButton->blockSignals( block );
mFrameWidthSpinBox->blockSignals( block );
mFrameColorButton->blockSignals( block );
mLayerComboBox->blockSignals( block );
}
void QgsAnnotationWidget::on_mMapMarkerButton_clicked()
{
if ( !mMarkerSymbol )
{
return;
}
QgsMarkerSymbol* markerSymbol = mMarkerSymbol->clone();
QgsSymbolSelectorDialog dlg( markerSymbol, QgsStyle::defaultStyle(), nullptr, this );
if ( dlg.exec() == QDialog::Rejected )
{
delete markerSymbol;
}
else
{
mMarkerSymbol.reset( markerSymbol );
updateCenterIcon();
}
}
void QgsAnnotationWidget::updateCenterIcon()
{
if ( !mMarkerSymbol )
{
return;
}
QIcon icon = QgsSymbolLayerUtils::symbolPreviewIcon( mMarkerSymbol.data(), mMapMarkerButton->iconSize() );
mMapMarkerButton->setIcon( icon );
}