159 lines
4.3 KiB
C++
159 lines
4.3 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 3-clause BSD License
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*****************************************************************************/
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#include "MyToggleButtonSkinlet.h"
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#include "MyToggleButton.h"
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#include <QskTextOptions.h>
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#include <QskGraphic.h>
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static inline QRectF sectionRect( const QRectF& rect, int section )
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{
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auto r = rect;
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if ( section == 0 )
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r.setWidth( 0.5 * rect.width() );
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else
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r.setLeft( rect.right() - 0.5 * rect.width() );
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return r;
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}
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MyToggleButtonSkinlet::MyToggleButtonSkinlet( QskSkin* skin )
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: Inherited( skin )
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{
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// sorted in stacking order
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setNodeRoles(
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{
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PanelRole, CursorRole, UncheckedLabelRole,
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UncheckedGraphicRole, CheckedLabelRole, CheckedGraphicRole
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}
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);
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}
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QRectF MyToggleButtonSkinlet::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 = MyToggleButton;
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const auto button = static_cast< const MyToggleButton* >( skinnable );
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if( subControl == Q::Panel )
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{
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return contentsRect;
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}
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else if( subControl == Q::UncheckedPanel )
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{
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const auto r = button->subControlContentsRect( contentsRect, Q::Panel );
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return sectionRect( r, button->isInverted() ? 1 : 0 );
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}
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else if( subControl == Q::CheckedPanel )
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{
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const auto r = button->subControlContentsRect( contentsRect, Q::Panel );
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return sectionRect( r, button->isInverted() ? 0 : 1 );
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}
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else if( subControl == Q::CheckedText || subControl == Q::CheckedGraphic )
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{
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return button->subControlContentsRect( contentsRect, Q::CheckedPanel );
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}
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else if( subControl == Q::UncheckedText || subControl == Q::UncheckedGraphic )
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{
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return button->subControlContentsRect( contentsRect, Q::UncheckedPanel );
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}
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else if( subControl == Q::Cursor )
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{
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auto position = skinnable->metric( Q::Cursor | QskAspect::Position );
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if ( button->isInverted() )
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position = 1.0 - position;
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auto rect = button->subControlContentsRect( contentsRect, Q::Panel );
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rect.setWidth( 0.5 * rect.width() );
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rect.moveLeft( rect.left() + position * rect.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* MyToggleButtonSkinlet::updateSubNode(
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const QskSkinnable* skinnable, quint8 nodeRole, QSGNode* node ) const
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{
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using Q = MyToggleButton;
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const auto button = static_cast< const Q* >( skinnable );
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switch( nodeRole )
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{
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case PanelRole:
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{
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return updateBoxNode( button, node, Q::Panel );
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}
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case CheckedLabelRole:
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{
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return updateTextNode(
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button, node, button->text( true ),
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button->textOptions(), Q::CheckedText );
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}
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case UncheckedLabelRole:
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{
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return updateTextNode(
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button, node, button->text( false ),
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button->textOptions(), Q::UncheckedText );
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}
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case CheckedGraphicRole:
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{
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return updateGraphicNode(
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button, node, button->graphic( true ), Q::CheckedGraphic );
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}
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case UncheckedGraphicRole:
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{
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return updateGraphicNode(
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button, node, button->graphic( false ), Q::UncheckedGraphic );
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}
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case CursorRole:
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{
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return updateBoxNode( button, node, Q::Cursor );
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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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QSizeF MyToggleButtonSkinlet::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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QSizeF hint;
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constexpr qreal aspectRatio = 4.0 / 3.0;
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if ( constraint.width() >= 0.0 )
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{
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hint.rheight() = constraint.width() / aspectRatio;
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}
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else if ( constraint.height() >= 0.0 )
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{
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hint.rwidth() = constraint.height() * aspectRatio;
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}
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else
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{
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hint = skinnable->strutSizeHint( MyToggleButton::Panel );
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}
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return hint;
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}
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#include "moc_MyToggleButtonSkinlet.cpp"
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