122 lines
3.6 KiB
C++
122 lines
3.6 KiB
C++
/******************************************************************************
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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 "QskStatusIndicatorSkinlet.h"
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#include "QskStatusIndicator.h"
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#include "QskAspect.h"
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#include "QskColorFilter.h"
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#include "QskFunctions.h"
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#include "QskGraphic.h"
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QskStatusIndicatorSkinlet::QskStatusIndicatorSkinlet( QskSkin* skin )
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: Inherited( skin )
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{
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setNodeRoles( { GraphicRole } );
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}
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QskStatusIndicatorSkinlet::~QskStatusIndicatorSkinlet() = default;
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QRectF QskStatusIndicatorSkinlet::subControlRect( const QskSkinnable* skinnable,
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const QRectF& contentsRect, QskAspect::Subcontrol subControl ) const
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{
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const auto label = static_cast< const QskStatusIndicator* >( skinnable );
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if ( subControl == QskStatusIndicator::Graphic )
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{
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return graphicRect( label, contentsRect );
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}
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return Inherited::subControlRect( skinnable, contentsRect, subControl );
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}
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QSGNode* QskStatusIndicatorSkinlet::updateSubNode(
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const QskSkinnable* skinnable, quint8 nodeRole, QSGNode* node ) const
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{
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const auto indicator = static_cast< const QskStatusIndicator* >( skinnable );
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switch ( nodeRole )
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{
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case GraphicRole:
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{
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return updateGraphicNode( indicator, node );
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}
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}
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return Inherited::updateSubNode( skinnable, nodeRole, node );
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}
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QRect QskStatusIndicatorSkinlet::graphicRect(
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const QskStatusIndicator* indicator, const QRectF& contentsRect ) const
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{
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// maybe we should have a common base class for
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// QskStatusIndicator and QskGraphicLabel
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// PreserveAspectFit/PreserveAspectCrop
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const QRect graphicRect = contentsRect.toAlignedRect();
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QSizeF sz = indicator->graphic( indicator->status() ).defaultSize();
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sz.scale( graphicRect.size(), Qt::KeepAspectRatio );
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return qskAlignedRect( graphicRect,
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( int ) sz.width(), ( int ) sz.height(), Qt::AlignCenter );
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}
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QSGNode* QskStatusIndicatorSkinlet::updateGraphicNode(
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const QskStatusIndicator* indicator, QSGNode* node ) const
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{
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const auto subControl = QskStatusIndicator::Graphic;
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const auto rect = subControlRect( indicator, indicator->contentsRect(), subControl );
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const auto alignment = indicator->alignmentHint( subControl, Qt::AlignCenter );
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const int status = indicator->status();
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node = QskSkinlet::updateGraphicNode( indicator, node,
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indicator->graphic( status ), indicator->graphicFilter( status ),
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rect, alignment );
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return node;
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}
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QSizeF QskStatusIndicatorSkinlet::sizeHint( const QskSkinnable* skinnable,
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Qt::SizeHint which, const QSizeF& constraint ) const
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{
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if ( which != Qt::PreferredSize )
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return QSizeF();
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const auto indicator = static_cast< const QskStatusIndicator* >( skinnable );
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QSizeF sz;
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for ( const auto status : indicator->statusList() )
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{
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const auto graphic = indicator->graphic( status );
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if ( !graphic.isEmpty() )
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{
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auto hint = graphic.defaultSize();
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if ( !hint.isEmpty() )
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{
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if ( constraint.width() >= 0.0 )
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{
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hint.setHeight( sz.height() * constraint.width() / sz.width() );
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}
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else if ( constraint.height() >= 0.0 )
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{
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hint.setWidth( sz.width() * constraint.height() / sz.height() );
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}
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}
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sz = sz.expandedTo( hint );
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}
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}
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return sz;
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}
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#include "moc_QskStatusIndicatorSkinlet.cpp"
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