QgsComposerLabel::QgsComposerLabel( QgsComposition *composition ):
QgsComposerItem( composition ), mHtmlState( 0 ), mHtmlUnitsToMM( 1.0 ),
mHtmlLoaded( false ), mMargin( 1.0 ), mFontColor( QColor( 0, 0, 0 ) ),
mHAlignment( Qt::AlignLeft ), mVAlignment( Qt::AlignTop ),
mExpressionFeature( 0 ), mExpressionLayer( 0 )
{
mHtmlUnitsToMM = htmlUnitsToMM();
//get default composer font from settings
QSettings settings;
QString defaultFontString = settings.value( "/Composer/defaultFont" ).toString();
if ( !defaultFontString.isEmpty() )
{
mFont.setFamily( defaultFontString );
}
//default to a 10 point font size
mFont.setPointSizeF( 10 );
//default to no background
setBackgroundEnabled( false );
if ( mComposition && mComposition->atlasMode() == QgsComposition::PreviewAtlas )
{
//a label added while atlas preview is enabled needs to have the expression context set,
//otherwise fields in the label aren't correctly evaluated until atlas preview feature changes (#9457)
setExpressionContext( mComposition->atlasComposition().currentFeature(), mComposition->atlasComposition().coverageLayer() );
}
//connect to atlas feature changes
//to update the expression context
connect( &mComposition->atlasComposition(), SIGNAL( featureChanged( QgsFeature* ) ), this, SLOT( refreshExpressionContext() ) );
}
void QgsLayoutItemScaleBar::applyDefaultSettings()
{
//style
mStyle = qgis::make_unique< QgsSingleBoxScaleBarRenderer >();
//default to no background
setBackgroundEnabled( false );
//get default composer font from settings
QgsSettings settings;
QString defaultFontString = settings.value( QStringLiteral( "LayoutDesigner/defaultFont" ), QVariant(), QgsSettings::Gui ).toString();
QgsTextFormat format;
QFont f;
if ( !defaultFontString.isEmpty() )
{
f.setFamily( defaultFontString );
}
format.setFont( f );
format.setSize( 12.0 );
format.setSizeUnit( QgsUnitTypes::RenderPoints );
mSettings.setTextFormat( format );
mSettings.setUnits( QgsUnitTypes::DistanceUnknownUnit );
refreshItemSize();
emit changed();
}
QgsComposerFrame::QgsComposerFrame()
: QgsComposerItem( 0, 0, 0, 0, 0 )
, mMultiFrame( 0 )
, mHidePageIfEmpty( false )
, mHideBackgroundIfEmpty( false )
{
//default to no background
setBackgroundEnabled( false );
}
QgsComposerLabel::QgsComposerLabel( QgsComposition *composition )
: QgsComposerItem( composition )
, mHtmlState( 0 )
, mHtmlUnitsToMM( 1.0 )
, mHtmlLoaded( false )
, mMarginX( 1.0 )
, mMarginY( 1.0 )
, mFontColor( QColor( 0, 0, 0 ) )
, mHAlignment( Qt::AlignLeft )
, mVAlignment( Qt::AlignTop )
, mExpressionLayer( nullptr )
, mDistanceArea( nullptr )
{
mDistanceArea = new QgsDistanceArea();
mHtmlUnitsToMM = htmlUnitsToMM();
//get default composer font from settings
QSettings settings;
QString defaultFontString = settings.value( QStringLiteral( "/Composer/defaultFont" ) ).toString();
if ( !defaultFontString.isEmpty() )
{
mFont.setFamily( defaultFontString );
}
//default to a 10 point font size
mFont.setPointSizeF( 10 );
//default to no background
setBackgroundEnabled( false );
//a label added while atlas preview is enabled needs to have the expression context set,
//otherwise fields in the label aren't correctly evaluated until atlas preview feature changes (#9457)
refreshExpressionContext();
if ( mComposition )
{
//connect to atlas feature changes
//to update the expression context
connect( &mComposition->atlasComposition(), SIGNAL( featureChanged( QgsFeature* ) ), this, SLOT( refreshExpressionContext() ) );
}
mWebPage = new QgsWebPage( this );
mWebPage->setIdentifier( tr( "Composer label item" ) );
mWebPage->setNetworkAccessManager( QgsNetworkAccessManager::instance() );
//This makes the background transparent. Found on http://blog.qt.digia.com/blog/2009/06/30/transparent-qwebview-or-qwebpage/
QPalette palette = mWebPage->palette();
palette.setBrush( QPalette::Base, Qt::transparent );
mWebPage->setPalette( palette );
//webPage->setAttribute(Qt::WA_OpaquePaintEvent, false); //this does not compile, why ?
mWebPage->mainFrame()->setZoomFactor( 10.0 );
mWebPage->mainFrame()->setScrollBarPolicy( Qt::Horizontal, Qt::ScrollBarAlwaysOff );
mWebPage->mainFrame()->setScrollBarPolicy( Qt::Vertical, Qt::ScrollBarAlwaysOff );
connect( mWebPage, SIGNAL( loadFinished( bool ) ), SLOT( loadingHtmlFinished( bool ) ) );
}
void QgsComposerArrow::init()
{
setArrowHeadWidth( 4 );
mPen.setColor( mArrowHeadOutlineColor );
mPen.setWidthF( 1 );
mBrush.setColor( mArrowHeadFillColor );
createDefaultLineSymbol();
//default to no background
setBackgroundEnabled( false );
}
void QgsComposerPicture::init()
{
//default to no background
setBackgroundEnabled( false );
//connect some signals
//connect to atlas feature changing
//to update the picture source expression
connect( &mComposition->atlasComposition(), SIGNAL( featureChanged( QgsFeature* ) ), this, SLOT( refreshPicture() ) );
//connect to composer print resolution changing
connect( mComposition, SIGNAL( printResolutionChanged() ), this, SLOT( recalculateSize() ) );
}
void QgsComposerPicture::init()
{
//default to no background
setBackgroundEnabled( false );
//data defined strings
mDataDefinedNames.insert( QgsComposerObject::PictureSource, QStringLiteral( "dataDefinedSource" ) );
//connect some signals
//connect to atlas feature changing
//to update the picture source expression
connect( &mComposition->atlasComposition(), SIGNAL( featureChanged( QgsFeature* ) ), this, SLOT( refreshPicture() ) );
//connect to composer print resolution changing
connect( mComposition, SIGNAL( printResolutionChanged() ), this, SLOT( recalculateSize() ) );
}
QgsComposerFrame::QgsComposerFrame( QgsComposition* c, QgsComposerMultiFrame* mf, qreal x, qreal y, qreal width, qreal height )
: QgsComposerItem( x, y, width, height, c )
, mMultiFrame( mf )
, mHidePageIfEmpty( false )
, mHideBackgroundIfEmpty( false )
{
//default to no background
setBackgroundEnabled( false );
//repaint frame when multiframe content changes
connect( mf, SIGNAL( contentsChanged() ), this, SLOT( repaint() ) );
if ( mf )
{
//force recalculation of rect, so that multiframe specified sizes can be applied
setSceneRect( QRectF( pos().x(), pos().y(), rect().width(), rect().height() ) );
}
}
QgsLayoutItemPicture::QgsLayoutItemPicture( QgsLayout *layout )
: QgsLayoutItem( layout )
{
//default to no background
setBackgroundEnabled( false );
//connect some signals
#if 0 //TODO
//connect to atlas feature changing
//to update the picture source expression
connect( &mComposition->atlasComposition(), &QgsAtlasComposition::featureChanged, this, [ = ] { refreshPicture(); } );
//connect to layout print resolution changing
connect( layout->context(), &QgsLayoutContext::printResolutionChanged, this, &QgsLayoutItemPicture::recalculateSize );
#endif
connect( this, &QgsLayoutItem::sizePositionChanged, this, &QgsLayoutItemPicture::shapeChanged );
}
void QgsComposerScaleBar::applyDefaultSettings()
{
mNumSegments = 2;
mNumSegmentsLeft = 0;
mNumMapUnitsPerScaleBarUnit = 1.0;
//style
delete mStyle;
mStyle = new QgsSingleBoxScaleBarStyle( this );
mHeight = 3;
//default to no background
setBackgroundEnabled( false );
mPen = QPen( Qt::black );
mPen.setJoinStyle( mLineJoinStyle );
mPen.setCapStyle( mLineCapStyle );
mPen.setWidthF( 1.0 );
mBrush.setColor( Qt::black );
mBrush.setStyle( Qt::SolidPattern );
mBrush2.setColor( Qt::white );
mBrush2.setStyle( Qt::SolidPattern );
//get default composer font from settings
QSettings settings;
QString defaultFontString = settings.value( "/Composer/defaultFont" ).toString();
if ( !defaultFontString.isEmpty() )
{
mFont.setFamily( defaultFontString );
}
mFont.setPointSizeF( 12.0 );
mFontColor = QColor( 0, 0, 0 );
mLabelBarSpace = 3.0;
mBoxContentSpace = 1.0;
emit itemChanged();
}
void QgsComposerPicture::init()
{
//default to no background
setBackgroundEnabled( false );
//data defined strings
mDataDefinedNames.insert( QgsComposerObject::PictureSource, QString( "dataDefinedSource" ) );
//insert PictureSource data defined property (only required due to deprecated API elements,
//remove after 3.0
setDataDefinedProperty( QgsComposerObject::PictureSource, false, true, QString(), QString() );
//connect some signals
//connect to atlas feature changing
//to update the picture source expression
connect( &mComposition->atlasComposition(), SIGNAL( featureChanged( QgsFeature* ) ), this, SLOT( refreshPicture() ) );
//connect to composer print resolution changing
connect( mComposition, SIGNAL( printResolutionChanged() ), this, SLOT( recalculateSize() ) );
}
QgsLayoutFrame::QgsLayoutFrame( QgsLayout *layout, QgsLayoutMultiFrame *multiFrame )
: QgsLayoutItem( layout )
, mMultiFrame( multiFrame )
, mMultiFrameUuid( multiFrame ? multiFrame->uuid() : QString() )
{
//default to no background
setBackgroundEnabled( false );
if ( multiFrame )
{
//repaint frame when multiframe content changes
connect( multiFrame, &QgsLayoutMultiFrame::contentsChanged, this, [ = ]
{
update();
} );
//force recalculation of rect, so that multiframe specified sizes can be applied
refreshItemSize();
}
}
QgsLayoutItemShape::QgsLayoutItemShape( QgsLayout *layout )
: QgsLayoutItem( layout )
, mCornerRadius( 0 )
{
setBackgroundEnabled( false );
setFrameEnabled( false );
QgsStringMap properties;
properties.insert( QStringLiteral( "color" ), QStringLiteral( "white" ) );
properties.insert( QStringLiteral( "style" ), QStringLiteral( "solid" ) );
properties.insert( QStringLiteral( "style_border" ), QStringLiteral( "solid" ) );
properties.insert( QStringLiteral( "color_border" ), QStringLiteral( "black" ) );
properties.insert( QStringLiteral( "width_border" ), QStringLiteral( "0.3" ) );
properties.insert( QStringLiteral( "joinstyle" ), QStringLiteral( "miter" ) );
mShapeStyleSymbol.reset( QgsFillSymbol::createSimple( properties ) );
refreshSymbol();
connect( this, &QgsLayoutItemShape::sizePositionChanged, this, [ = ]
{
updateBoundingRect();
update();
} );
}
QgsLayoutItemLabel::QgsLayoutItemLabel( QgsLayout *layout )
: QgsLayoutItem( layout )
{
mDistanceArea.reset( new QgsDistanceArea() );
mHtmlUnitsToLayoutUnits = htmlUnitsToLayoutUnits();
//get default layout font from settings
QgsSettings settings;
QString defaultFontString = settings.value( QStringLiteral( "LayoutDesigner/defaultFont" ), QVariant(), QgsSettings::Gui ).toString();
if ( !defaultFontString.isEmpty() )
{
mFont.setFamily( defaultFontString );
}
//default to a 10 point font size
mFont.setPointSizeF( 10 );
//default to no background
setBackgroundEnabled( false );
//a label added while atlas preview is enabled needs to have the expression context set,
//otherwise fields in the label aren't correctly evaluated until atlas preview feature changes (#9457)
refreshExpressionContext();
mWebPage.reset( new QgsWebPage( this ) );
mWebPage->setIdentifier( tr( "Layout label item" ) );
mWebPage->setNetworkAccessManager( QgsNetworkAccessManager::instance() );
//This makes the background transparent. Found on http://blog.qt.digia.com/blog/2009/06/30/transparent-qwebview-or-qwebpage/
QPalette palette = mWebPage->palette();
palette.setBrush( QPalette::Base, Qt::transparent );
mWebPage->setPalette( palette );
mWebPage->mainFrame()->setZoomFactor( 10.0 );
mWebPage->mainFrame()->setScrollBarPolicy( Qt::Horizontal, Qt::ScrollBarAlwaysOff );
mWebPage->mainFrame()->setScrollBarPolicy( Qt::Vertical, Qt::ScrollBarAlwaysOff );
connect( mWebPage.get(), &QWebPage::loadFinished, this, &QgsLayoutItemLabel::loadingHtmlFinished );
}
