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auto layouting code improved

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This commit is contained in:
Uwe Rathmann 2019-09-18 08:57:08 +02:00
parent f4887a6e51
commit 425fb3978f
1 changed files with 15 additions and 7 deletions
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22
src/controls/QskControl.cpp
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@ -892,14 +892,19 @@ void QskControl::windowDeactivateEvent()
void QskControl::updateItemPolish()
{
if ( d_func()->autoLayoutChildren && !maybeUnresized() )
if ( d_func()->autoLayoutChildren && !maybeUnresized()
&& ( width() > 0.0 || height() > 0.0 ) )
{
const auto rect = layoutRect();
const auto children = childItems();
for ( auto child : children )
{
// checking qskIsVisibleToParent ???
/*
We don't want to resize invisible children, but then
we would need to set up connections to know when a child
becomes visible. So we don't use qskIsVisibleToLayout here.
*/
if ( !qskIsTransparentForPositioner( child ) )
{
const auto r = qskConstrainedItemRect( child, rect );
@ -971,18 +976,21 @@ QSizeF QskControl::layoutSizeHint(
if ( which == Qt::MaximumSize || !d_func()->autoLayoutChildren )
return QSizeF();
qreal w = constraint.width();
qreal h = constraint.height();
qreal w = -1.0;
qreal h = -1.0;
const auto children = childItems();
for ( const auto child : children )
{
if ( qskIsVisibleToLayout( child ) )
{
const auto hint = qskEffectiveSizeHint( child, which, constraint );
const auto hint = qskSizeConstraint( child, which, constraint );
w = QskLayoutHint::combined( which, w, hint.width() );
h = QskLayoutHint::combined( which, h, hint.height() );
if ( constraint.width() < 0.0 )
w = QskLayoutHint::combined( which, w, hint.width() );
if ( constraint.height() < 0.0 )
h = QskLayoutHint::combined( which, h, hint.height() );
}
}