qskinny/src/controls/QskRadioBoxSkinlet.cpp
2023-04-06 09:23:37 +02:00

299 lines
8.5 KiB
C++

/******************************************************************************
* QSkinny - Copyright (C) 2016 Uwe Rathmann
* SPDX-License-Identifier: BSD-3-Clause
*****************************************************************************/
#include "QskRadioBoxSkinlet.h"
#include "QskRadioBox.h"
#include "QskFunctions.h"
#include <qfontmetrics.h>
#include <qmath.h>
namespace
{
QSizeF buttonSizeHint( const QskSkinnable* skinnable,
const QFontMetricsF& fm, const QString& text )
{
using Q = QskRadioBox;
auto hint = skinnable->strutSizeHint( Q::CheckIndicatorPanel );
hint.rwidth() += skinnable->spacingHint( Q::Button )
+ qskHorizontalAdvance( fm, text );
hint.rheight() = qMax( hint.height(), fm.height() );
hint = hint.grownBy( skinnable->paddingHint( Q::Button ) );
hint = hint.expandedTo( skinnable->strutSizeHint( Q::Button ) );
return hint;
}
QSizeF buttonSizeHint( const QskRadioBox* radioBox, int index )
{
const QFontMetrics fm( radioBox->effectiveFont( QskRadioBox::Text ) );
return buttonSizeHint( radioBox, fm, radioBox->optionAt( index ) );
}
}
QskRadioBoxSkinlet::QskRadioBoxSkinlet( QskSkin* )
{
setNodeRoles( { PanelRole, ButtonRole, CheckPanelRole,
CheckIndicatorRole, TextRole, RippleRole } );
}
QskRadioBoxSkinlet::~QskRadioBoxSkinlet()
{
}
QRectF QskRadioBoxSkinlet::subControlRect( const QskSkinnable* skinnable,
const QRectF& contentsRect, QskAspect::Subcontrol subcontrol ) const
{
using Q = QskRadioBox;
auto radioBox = static_cast< const QskRadioBox* >( skinnable );
if( subcontrol == Q::Ripple )
return rippleRect( radioBox, contentsRect );
return contentsRect;
}
QSGNode* QskRadioBoxSkinlet::updateSubNode( const QskSkinnable* skinnable,
quint8 nodeRole, QSGNode* node ) const
{
using Q = QskRadioBox;
switch( nodeRole )
{
case PanelRole:
return updateBoxNode( skinnable, node, Q::Panel );
case ButtonRole:
return updateSeriesNode( skinnable, Q::Button, node );
case CheckPanelRole:
return updateSeriesNode( skinnable, Q::CheckIndicatorPanel, node );
case CheckIndicatorRole:
return updateSeriesNode( skinnable, Q::CheckIndicator, node );
case TextRole:
return updateSeriesNode( skinnable, Q::Text, node );
case RippleRole:
return updateBoxNode( skinnable, node, Q::Ripple );
}
return Inherited::updateSubNode( skinnable, nodeRole, node );
}
int QskRadioBoxSkinlet::sampleCount(
const QskSkinnable* skinnable, QskAspect::Subcontrol ) const
{
const auto radioBox = static_cast< const QskRadioBox* >( skinnable );
return radioBox->options().count();
}
QRectF QskRadioBoxSkinlet::rippleRect(
const QskRadioBox* radioBox, const QRectF& rect ) const
{
using Q = QskRadioBox;
const auto index = qFloor( radioBox->positionHint( Q::Ripple ) );
if( index < 0 )
return QRectF();
QRectF r;
r.setSize( radioBox->strutSizeHint( Q::Ripple ) );
if ( !r.isEmpty() )
{
const auto checkBoxRect = sampleRect(
radioBox, rect, Q::CheckIndicatorPanel, index );
r.moveCenter( checkBoxRect.center() );
}
return r;
}
QRectF QskRadioBoxSkinlet::buttonRect(
const QskRadioBox* radioBox, const QRectF& rect, int index ) const
{
using Q = QskRadioBox;
/*
code only works when all buttons have the same height
- what might be wron, when lineWrapping is enabled TODO ...
*/
const auto h = buttonSizeHint( radioBox, index ).height();
const auto y = index * ( h + radioBox->spacingHint( Q::Panel ) );
const auto r = radioBox->subControlContentsRect( rect, Q::Panel );
return QRectF( r.left(), r.top() + y, r.width(), h );
}
QRectF QskRadioBoxSkinlet::checkPanelRect( const QskRadioBox* radioBox,
const QRectF& rect, int index ) const
{
using Q = QskRadioBox;
auto r = sampleRect( radioBox, rect, Q::Button, index );
r = radioBox->innerBox( Q::Button, r );
auto alignment = radioBox->alignmentHint( Q::CheckIndicatorPanel, Qt::AlignCenter );
alignment &= Qt::AlignVertical_Mask;
alignment |= radioBox->layoutMirroring() ? Qt::AlignRight : Qt::AlignLeft;
auto size = radioBox->strutSizeHint( Q::CheckIndicatorPanel );
size = size.grownBy( radioBox->marginHint( Q::CheckIndicatorPanel ) );
return qskAlignedRectF( r, size.width(), size.height(), alignment );
}
QRectF QskRadioBoxSkinlet::textRect( const QskRadioBox* radioBox,
const QRectF& rect, int index ) const
{
using Q = QskRadioBox;
auto r = sampleRect( radioBox, rect, Q::Button, index );
r = radioBox->innerBox( Q::Button, r );
const auto checkPanelRect = sampleRect(
radioBox, rect, Q::CheckIndicatorPanel, index );
const auto spacing = radioBox->spacingHint( Q::Button );
if ( !radioBox->layoutMirroring() )
r.setLeft( checkPanelRect.right() + spacing );
else
r.setRight( checkPanelRect.left() - spacing );
return r;
}
QRectF QskRadioBoxSkinlet::sampleRect( const QskSkinnable* skinnable,
const QRectF& rect, QskAspect::Subcontrol subControl, int index ) const
{
using Q = QskRadioBox;
auto radioBox = static_cast< const QskRadioBox* >( skinnable );
if( subControl == Q::Text )
return textRect( radioBox, rect, index );
if( subControl == Q::Button )
return buttonRect( radioBox, rect, index );
if( subControl == Q::CheckIndicatorPanel )
return checkPanelRect( radioBox, rect, index );
if( subControl == Q::CheckIndicator )
{
auto r = sampleRect( radioBox, rect, Q::CheckIndicatorPanel, index );
r = r.marginsRemoved( radioBox->paddingHint( Q::CheckIndicatorPanel ) );
return r;
}
return QRectF();
}
QskAspect::States QskRadioBoxSkinlet::sampleStates(
const QskSkinnable* skinnable, QskAspect::Subcontrol, int index ) const
{
using Q = QskRadioBox;
auto radioBox = static_cast< const QskRadioBox* >( skinnable );
auto states = radioBox->skinStates();
if( radioBox->selectedIndex() == index )
states |= Q::Selected;
if( radioBox->pressedIndex() == index )
states |= Q::Pressed;
#if 1
if( radioBox->positionHint( Q::Ripple ) == index )
states |= Q::Focused;
else
states &= ~Q::Focused;
#endif
return states;
}
QSGNode* QskRadioBoxSkinlet::updateSampleNode( const QskSkinnable* skinnable,
QskAspect::Subcontrol subcontrol, int index, QSGNode* node ) const
{
using Q = QskRadioBox;
auto radioBox = static_cast< const QskRadioBox* >( skinnable );
auto rect = sampleRect( skinnable, radioBox->contentsRect(), subcontrol, index );
if( subcontrol == Q::Text )
{
Qt::Alignment alignment = Qt::AlignVCenter;
alignment |= ( radioBox->layoutMirroring() ? Qt::AlignRight : Qt::AlignLeft );
alignment = radioBox->alignmentHint( Q::Text, Qt::AlignCenter );
alignment &= Qt::AlignVertical_Mask;
alignment |= radioBox->layoutMirroring() ? Qt::AlignRight : Qt::AlignLeft;
return updateTextNode( radioBox, node, rect,
alignment, radioBox->optionAt( index ), subcontrol );
}
if ( subcontrol == Q::CheckIndicatorPanel || subcontrol == Q::CheckIndicator )
return updateBoxNode( radioBox, node, rect, subcontrol );
return node;
}
QSizeF QskRadioBoxSkinlet::sizeHint( const QskSkinnable* skinnable,
Qt::SizeHint which, const QSizeF& constraint ) const
{
using Q = QskRadioBox;
if ( which != Qt::PreferredSize )
return QSizeF();
if ( constraint.width() >= 0.0 )
{
// heightForWidth would make sense when word wrapping is enabled TODO ...
}
const auto radioBox = static_cast< const QskRadioBox* >( skinnable );
const QFontMetrics fm( radioBox->effectiveFont( QskRadioBox::Text ) );
qreal w = 0.0;
qreal h = 0.0;
const auto options = radioBox->options();
for( const auto& option : options )
{
const auto buttonSize = buttonSizeHint( radioBox, fm, option );
w = qMax( w, buttonSize.width() );
h += buttonSize.height();
}
if ( auto count = radioBox->options().count() )
h += ( count - 1 ) * skinnable->spacingHint( Q::Panel );
QSizeF hint( w, h );
hint = hint.grownBy( skinnable->paddingHint( Q::Panel ) );
hint = hint.expandedTo( skinnable->strutSizeHint( Q::Panel ) );
return hint;
}
#include "moc_QskRadioBoxSkinlet.cpp"