qskinny/src/controls/QskTextAreaSkinlet.cpp

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2025-01-13 15:26:59 +00:00
/******************************************************************************
* QSkinny - Copyright (C) The authors
* SPDX-License-Identifier: BSD-3-Clause
*****************************************************************************/
#include "QskTextAreaSkinlet.h"
#include "QskTextArea.h"
using Q = QskTextArea;
QskTextAreaSkinlet::QskTextAreaSkinlet( QskSkin* skin )
: Inherited( skin )
{
setNodeRoles( { PanelRole, TextPanelRole, PlaceholderTextRole } );
}
QskTextAreaSkinlet::~QskTextAreaSkinlet()
{
}
QRectF QskTextAreaSkinlet::subControlRect( const QskSkinnable* skinnable,
const QRectF& contentsRect, QskAspect::Subcontrol subControl ) const
{
if ( subControl == Q::Panel )
return contentsRect;
if ( subControl == Q::TextPanel )
return skinnable->subControlContentsRect( contentsRect, Q::Panel );
if ( subControl == Q::PlaceholderText )
{
const auto textArea = static_cast< const QskTextArea* >( skinnable );
if( textArea->text().isEmpty() )
return subControlRect( skinnable, contentsRect, Q::Text );
return QRectF();
}
return Inherited::subControlRect( skinnable, contentsRect, subControl );
}
QSGNode* QskTextAreaSkinlet::updateSubNode(
const QskSkinnable* skinnable, quint8 nodeRole, QSGNode* node ) const
{
const auto textArea = static_cast< const QskTextArea* >( skinnable );
switch ( nodeRole )
{
case PanelRole:
{
return updateBoxNode( skinnable, node, Q::Panel );
}
case PlaceholderTextRole:
{
const auto text = effectivePlaceholderText( textArea );
if ( text.isEmpty() )
return nullptr;
const auto subControl = Q::PlaceholderText;
QskSkinHintStatus status;
auto options = skinnable->textOptionsHint( subControl, &status );
if ( !status.isValid() )
options.setElideMode( Qt::ElideRight );
return updateTextNode( skinnable, node,
textArea->subControlRect( subControl ),
textArea->alignmentHint( subControl, Qt::AlignLeft ),
options, text, subControl );
}
}
return Inherited::updateSubNode( skinnable, nodeRole, node );
}
QSizeF QskTextAreaSkinlet::sizeHint( const QskSkinnable* skinnable,
Qt::SizeHint which, const QSizeF& constraint ) const
{
if ( which != Qt::PreferredSize )
return QSizeF();
auto hint = Inherited::sizeHint( skinnable, which, constraint );
hint = skinnable->outerBoxSize( Q::Panel, hint );
hint = hint.expandedTo( skinnable->strutSizeHint( Q::Panel ) );
return hint;
}
QString QskTextAreaSkinlet::effectivePlaceholderText(
const QskTextArea* textArea ) const
{
if ( textArea->text().isEmpty() &&
!( textArea->isReadOnly() || textArea->isEditing() ) )
{
return textArea->placeholderText();
}
return QString();
}
#include "moc_QskTextAreaSkinlet.cpp"