89 lines
2.5 KiB
C++
89 lines
2.5 KiB
C++
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/******************************************************************************
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* QSkinny - Copyright (C) 2016 Uwe Rathmann
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* This file may be used under the terms of the QSkinny License, Version 1.0
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*****************************************************************************/
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#include "QskPopupSkinlet.h"
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#include "QskPopup.h"
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#include "QskRectNode.h"
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QskPopupSkinlet::QskPopupSkinlet( QskSkin* skin ):
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Inherited( skin )
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{
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appendNodeRoles( { OverlayRole } );
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}
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QskPopupSkinlet::~QskPopupSkinlet() = default;
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QRectF QskPopupSkinlet::subControlRect(
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const QskSkinnable* skinnable, QskAspect::Subcontrol subControl ) const
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{
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const auto popup = static_cast< const QskPopup* >( skinnable );
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if ( subControl == QskPopup::Overlay )
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return popup->overlayRect();
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return Inherited::subControlRect( skinnable, subControl );
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}
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QSGNode* QskPopupSkinlet::updateSubNode( const QskSkinnable* skinnable,
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quint8 nodeRole, QSGNode* node ) const
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{
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const auto popup = static_cast< const QskPopup* >( skinnable );
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switch( nodeRole )
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{
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case OverlayRole:
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return updateOverlayNode( popup, node );
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default:
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return Inherited::updateSubNode( skinnable, nodeRole, node );
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}
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}
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QSGNode* QskPopupSkinlet::updateOverlayNode(
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const QskPopup* popup, QSGNode* node ) const
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{
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const QRectF rect = subControlRect( popup, QskPopup::Overlay );
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if ( rect.isEmpty() )
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return nullptr;
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const QskGradient gradient = overlayGradient( popup );
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if ( !gradient.isValid() )
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return nullptr;
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auto rectNode = static_cast< QskRectNode* >( node );
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if ( rectNode == nullptr )
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rectNode = new QskRectNode();
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rectNode->setRect( rect );
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rectNode->setFillGradient( gradient );
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rectNode->update();
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return rectNode;
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}
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QskGradient QskPopupSkinlet::overlayGradient( const QskPopup* popup ) const
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{
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using namespace QskAspect;
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const QColor color1 = popup->color( QskPopup::Overlay | TopEdge );
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const QColor color2 = popup->color( QskPopup::Overlay | BottomEdge );
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if ( color1.isValid() && color2.isValid() )
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{
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if ( color1.alpha() == 0 && color2.alpha() == 0 )
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return QskGradient();
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return QskGradient( QskGradient::Vertical, color1, color2 );
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}
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const QColor color = popup->color( QskPopup::Overlay );
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if ( color.isValid() && color.alpha() > 0 )
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QskGradient( color );
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return QskGradient(); // something invalid
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}
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#include "moc_QskPopupSkinlet.cpp"
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