162 lines
4.6 KiB
C++
162 lines
4.6 KiB
C++
/******************************************************************************
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* QSkinny - Copyright (C) 2016 Uwe Rathmann
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* SPDX-License-Identifier: BSD-3-Clause
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*****************************************************************************/
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#include "QskComboBoxSkinlet.h"
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#include "QskComboBox.h"
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#include "QskGraphic.h"
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#include "QskLabelData.h"
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#include "QskSGNode.h"
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#include "QskSubcontrolLayoutEngine.h"
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namespace
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{
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class LayoutEngine : public QskSubcontrolLayoutEngine
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{
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public:
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LayoutEngine( const QskComboBox* box )
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: QskSubcontrolLayoutEngine( Qt::Horizontal )
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{
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setSpacing( box->spacingHint( QskComboBox::Panel ) );
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QSizeF graphicSize;
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QString text;
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if ( box->currentIndex() >= 0 )
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{
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const auto option = box->optionAt( box->currentIndex() );
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graphicSize = option.icon().graphic().defaultSize();
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text = option.text();
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}
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else
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{
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text = box->placeholderText();
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}
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setGraphicTextElements( box,
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QskComboBox::Text, text, QskComboBox::Icon, graphicSize );
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const auto alignment = box->alignmentHint(
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QskComboBox::Panel, Qt::AlignLeft );
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setFixedContent( QskComboBox::Text, Qt::Horizontal, alignment );
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}
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};
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}
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QskComboBoxSkinlet::QskComboBoxSkinlet( QskSkin* skin )
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: Inherited( skin )
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{
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setNodeRoles( { PanelRole, IconRole, TextRole, StatusIndicatorRole } );
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}
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QskComboBoxSkinlet::~QskComboBoxSkinlet() = default;
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QRectF QskComboBoxSkinlet::subControlRect( const QskSkinnable* skinnable,
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const QRectF& contentsRect, QskAspect::Subcontrol subControl ) const
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{
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using Q = QskComboBox;
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const auto* box = static_cast< const QskComboBox* >( skinnable );
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if ( subControl == Q::Panel )
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return contentsRect;
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if ( subControl == Q::Text || subControl == Q::Icon )
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{
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const auto r = box->subControlContentsRect( contentsRect, Q::Panel );
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LayoutEngine layoutEngine( box );
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layoutEngine.setGeometries( r );
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return layoutEngine.subControlRect( subControl );
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}
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if( subControl == Q::StatusIndicator )
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{
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auto rect = box->innerBox( Q::Panel, contentsRect );
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const auto size = box->strutSizeHint( Q::StatusIndicator );
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rect.setLeft( rect.right() - size.width() );
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return rect;
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}
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return Inherited::subControlRect( skinnable, contentsRect, subControl );
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}
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QSGNode* QskComboBoxSkinlet::updateSubNode(
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const QskSkinnable* skinnable, quint8 nodeRole, QSGNode* node ) const
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{
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using Q = QskComboBox;
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const auto box = static_cast< const QskComboBox* >( skinnable );
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switch ( nodeRole )
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{
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case PanelRole:
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return updateBoxNode( box, node, Q::Panel );
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case IconRole:
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{
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const auto option = box->optionAt( box->currentIndex() );
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return updateGraphicNode( box, node,
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option.icon().graphic(), Q::Icon );
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}
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case TextRole:
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return updateTextNode( box, node );
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case StatusIndicatorRole:
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return updateSymbolNode( box, node, Q::StatusIndicator );
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}
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return Inherited::updateSubNode( skinnable, nodeRole, node );
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}
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QSGNode* QskComboBoxSkinlet::updateTextNode(
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const QskComboBox* box, QSGNode* node ) const
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{
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using Q = QskComboBox;
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const auto rect = box->subControlRect( Q::Text ).toAlignedRect();
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const auto textHeight = box->effectiveFontHeight( Q::Text );
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if ( !box->clip() && ( rect.height() < textHeight ) )
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return nullptr;
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const auto alignment = box->alignmentHint( Q::Text, Qt::AlignLeft | Qt::AlignVCenter );
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return QskSkinlet::updateTextNode( box, node, rect,
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alignment, box->currentText(), Q::Text );
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}
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QSizeF QskComboBoxSkinlet::sizeHint( const QskSkinnable* skinnable,
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Qt::SizeHint which, const QSizeF& ) const
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{
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using Q = QskComboBox;
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if ( which != Qt::PreferredSize )
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return QSizeF();
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const auto box = static_cast< const QskComboBox* >( skinnable );
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LayoutEngine layoutEngine( box );
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auto size = layoutEngine.sizeHint( which, QSizeF() );
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const auto spacingHint = box->spacingHint( Q::Panel );
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const auto menuGraphicHint = box->strutSizeHint( Q::StatusIndicator );
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size.rwidth() += spacingHint + menuGraphicHint.width();
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size = box->outerBoxSize( Q::Panel, size );
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size = size.expandedTo( box->strutSizeHint( Q::Panel ) );
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size = size.grownBy( skinnable->marginHint( Q::Panel ) );
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return size;
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}
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#include "moc_QskComboBoxSkinlet.cpp"
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