void QgsColorButton::prepareMenu()
{
//we need to tear down and rebuild this menu every time it is shown. Otherwise the space allocated to any
//QgsColorSwatchGridAction is not recalculated by Qt and the swatch grid may not be the correct size
//for the number of colors shown in the grid. Note that we MUST refresh color swatch grids every time this
//menu is opened, otherwise color schemes like the recent color scheme grid are meaningless
mMenu->clear();
const bool isProjectColor = linkedProjectColor().isValid();
if ( !isProjectColor )
{
if ( mShowNull )
{
QAction *nullAction = new QAction( tr( "Clear Color" ), this );
nullAction->setIcon( createMenuIcon( Qt::transparent, false ) );
mMenu->addAction( nullAction );
connect( nullAction, &QAction::triggered, this, &QgsColorButton::setToNull );
}
//show default color option if set
if ( mDefaultColor.isValid() )
{
QAction *defaultColorAction = new QAction( tr( "Default Color" ), this );
defaultColorAction->setIcon( createMenuIcon( mDefaultColor ) );
mMenu->addAction( defaultColorAction );
connect( defaultColorAction, &QAction::triggered, this, &QgsColorButton::setToDefaultColor );
}
if ( mShowNoColorOption && mAllowOpacity )
{
QAction *noColorAction = new QAction( mNoColorString, this );
noColorAction->setIcon( createMenuIcon( Qt::transparent, false ) );
mMenu->addAction( noColorAction );
connect( noColorAction, &QAction::triggered, this, &QgsColorButton::setToNoColor );
}
mMenu->addSeparator();
QgsColorWheel *colorWheel = new QgsColorWheel( mMenu );
colorWheel->setColor( color() );
QgsColorWidgetAction *colorAction = new QgsColorWidgetAction( colorWheel, mMenu, mMenu );
colorAction->setDismissOnColorSelection( false );
connect( colorAction, &QgsColorWidgetAction::colorChanged, this, &QgsColorButton::setColor );
mMenu->addAction( colorAction );
if ( mAllowOpacity )
{
QgsColorRampWidget *alphaRamp = new QgsColorRampWidget( mMenu, QgsColorWidget::Alpha, QgsColorRampWidget::Horizontal );
alphaRamp->setColor( color() );
QgsColorWidgetAction *alphaAction = new QgsColorWidgetAction( alphaRamp, mMenu, mMenu );
alphaAction->setDismissOnColorSelection( false );
connect( alphaAction, &QgsColorWidgetAction::colorChanged, this, &QgsColorButton::setColor );
connect( alphaAction, &QgsColorWidgetAction::colorChanged, colorWheel, [colorWheel]( const QColor & color ) { colorWheel->setColor( color, false ); }
);
connect( colorAction, &QgsColorWidgetAction::colorChanged, alphaRamp, [alphaRamp]( const QColor & color ) { alphaRamp->setColor( color, false ); }
);
mMenu->addAction( alphaAction );
}
if ( mColorSchemeRegistry )
{
//get schemes with ShowInColorButtonMenu flag set
QList< QgsColorScheme * > schemeList = mColorSchemeRegistry->schemes( QgsColorScheme::ShowInColorButtonMenu );
QList< QgsColorScheme * >::iterator it = schemeList.begin();
for ( ; it != schemeList.end(); ++it )
{
QgsColorSwatchGridAction *colorAction = new QgsColorSwatchGridAction( *it, mMenu, mContext, this );
colorAction->setBaseColor( mColor );
mMenu->addAction( colorAction );
connect( colorAction, &QgsColorSwatchGridAction::colorChanged, this, &QgsColorButton::setValidColor );
connect( colorAction, &QgsColorSwatchGridAction::colorChanged, this, &QgsColorButton::addRecentColor );
}
}
mMenu->addSeparator();
}
if ( isProjectColor )
{
QAction *unlinkAction = new QAction( tr( "Unlink Color" ), mMenu );
mMenu->addAction( unlinkAction );
connect( unlinkAction, &QAction::triggered, this, &QgsColorButton::unlink );
}
QAction *copyColorAction = new QAction( tr( "Copy Color" ), this );
mMenu->addAction( copyColorAction );
connect( copyColorAction, &QAction::triggered, this, &QgsColorButton::copyColor );
if ( !isProjectColor )
{
QAction *pasteColorAction = new QAction( tr( "Paste Color" ), this );
//enable or disable paste action based on current clipboard contents. We always show the paste
//action, even if it's disabled, to give hint to the user that pasting colors is possible
QColor clipColor;
if ( colorFromMimeData( QApplication::clipboard()->mimeData(), clipColor ) )
{
pasteColorAction->setIcon( createMenuIcon( clipColor ) );
}
else
{
pasteColorAction->setEnabled( false );
}
mMenu->addAction( pasteColorAction );
connect( pasteColorAction, &QAction::triggered, this, &QgsColorButton::pasteColor );
QAction *pickColorAction = new QAction( tr( "Pick Color" ), this );
mMenu->addAction( pickColorAction );
connect( pickColorAction, &QAction::triggered, this, &QgsColorButton::activatePicker );
QAction *chooseColorAction = new QAction( tr( "Choose Color…" ), this );
mMenu->addAction( chooseColorAction );
connect( chooseColorAction, &QAction::triggered, this, &QgsColorButton::showColorDialog );
}
}
void QgsColorRampButton::prepareMenu()
{
mMenu->clear();
QAction *invertAction = new QAction( tr( "Invert color ramp" ), this );
invertAction->setEnabled( !isNull() && !isRandomColorRamp() );
mMenu->addAction( invertAction );
connect( invertAction, &QAction::triggered, this, &QgsColorRampButton::invertColorRamp );
if ( mShowNull )
{
QAction *nullAction = new QAction( tr( "Clear current ramp" ), this );
mMenu->addAction( nullAction );
connect( nullAction, &QAction::triggered, this, &QgsColorRampButton::setToNull );
}
mMenu->addSeparator();
//show default color option if set
if ( mDefaultColorRamp )
{
QAction *defaultColorRampAction = new QAction( tr( "Default color ramp" ), this );
defaultColorRampAction->setIcon( createMenuIcon( mDefaultColorRamp ) );
mMenu->addAction( defaultColorRampAction );
connect( defaultColorRampAction, &QAction::triggered, this, &QgsColorRampButton::setToDefaultColorRamp );
}
if ( mShowRandomColorRamp )
{
QAction *randomColorRampAction = new QAction( tr( "Random color ramp" ), this );
randomColorRampAction->setCheckable( true );
randomColorRampAction->setChecked( isRandomColorRamp() );
mMenu->addAction( randomColorRampAction );
connect( randomColorRampAction, &QAction::triggered, this, &QgsColorRampButton::setRandomColorRamp );
if ( isRandomColorRamp() || dynamic_cast<QgsLimitedRandomColorRamp *>( mColorRamp ) )
{
QAction *shuffleRandomColorRampAction = new QAction( tr( "Shuffle random colors" ), this );
mMenu->addAction( shuffleRandomColorRampAction );
connect( shuffleRandomColorRampAction, &QAction::triggered, this, &QgsColorRampButton::colorRampChanged );
}
}
mMenu->addSeparator();
QStringList rampNames = mStyle->symbolsOfFavorite( QgsStyle::ColorrampEntity );
rampNames.sort();
for ( QStringList::iterator it = rampNames.begin(); it != rampNames.end(); ++it )
{
std::unique_ptr< QgsColorRamp > ramp( mStyle->colorRamp( *it ) );
if ( !mShowGradientOnly || ( ramp->type() == QLatin1String( "gradient" ) || ramp->type() == QLatin1String( "cpt-city" ) ) )
{
QIcon icon = QgsSymbolLayerUtils::colorRampPreviewIcon( ramp.get(), QSize( 16, 16 ) );
QAction *ra = new QAction( *it, this );
ra->setIcon( icon );
connect( ra, &QAction::triggered, this, &QgsColorRampButton::loadColorRamp );
mMenu->addAction( ra );
}
}
mMenu->addSeparator();
mAllRampsMenu->clear();
mMenu->addMenu( mAllRampsMenu );
rampNames = mStyle->colorRampNames();
rampNames.sort();
for ( QStringList::iterator it = rampNames.begin(); it != rampNames.end(); ++it )
{
std::unique_ptr< QgsColorRamp > ramp( mStyle->colorRamp( *it ) );
if ( !mShowGradientOnly || ( ramp->type() == QLatin1String( "gradient" ) || ramp->type() == QLatin1String( "cpt-city" ) ) )
{
QIcon icon = QgsSymbolLayerUtils::colorRampPreviewIcon( ramp.get(), QSize( 16, 16 ) );
QAction *ra = new QAction( *it, this );
ra->setIcon( icon );
connect( ra, &QAction::triggered, this, &QgsColorRampButton::loadColorRamp );
mAllRampsMenu->addAction( ra );
}
}
mMenu->addSeparator();
QAction *newColorRampAction = new QAction( tr( "Create new color ramp..." ), this );
connect( newColorRampAction, &QAction::triggered, this, &QgsColorRampButton::createColorRamp );
mMenu->addAction( newColorRampAction );
QAction *editColorRampAction = new QAction( tr( "Edit color ramp..." ), this );
editColorRampAction->setEnabled( !isNull() && !isRandomColorRamp() );
connect( editColorRampAction, &QAction::triggered, this, &QgsColorRampButton::showColorRampDialog );
mMenu->addAction( editColorRampAction );
QAction *saveColorRampAction = new QAction( tr( "Save color ramp..." ), this );
saveColorRampAction->setEnabled( !isNull() && !isRandomColorRamp() );
connect( saveColorRampAction, &QAction::triggered, this, &QgsColorRampButton::saveColorRamp );
mMenu->addAction( saveColorRampAction );
}
