#include <dali-toolkit/internal/layouting/layout-group-data-impl.h>
#include <dali-toolkit/public-api/controls/control-impl.h>
#include <dali-toolkit/internal/controls/control/control-data-impl.h>
+#include <dali-toolkit/internal/layouting/size-negotiation-mapper.h>
namespace
{
void LayoutGroup::OnSetChildProperties( Handle& handle, Property::Index index, Property::Value value )
{
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "LayoutGroup::OnSetChildProperties property(%s)\n", handle.GetPropertyName(index).c_str());
+ DALI_LOG_STREAM( gLogFilter, Debug::Verbose, "LayoutGroup::OnSetChildProperties property(" << handle.GetPropertyName(index) << ")\n" );
if ( ( ( index >= CHILD_PROPERTY_REGISTRATION_START_INDEX ) &&
( index <= CHILD_PROPERTY_REGISTRATION_MAX_INDEX ) )
}
#endif
+
// Get last stored width and height specifications for the child
auto desiredWidth = childOwner.GetProperty<int>( Toolkit::LayoutItem::ChildProperty::WIDTH_SPECIFICATION );
auto desiredHeight = childOwner.GetProperty<int>( Toolkit::LayoutItem::ChildProperty::HEIGHT_SPECIFICATION );
DALI_LOG_INFO( gLogFilter, Debug::Verbose, "LayoutGroup::MeasureChildWithMargins desiredWidth(%d)\n", desiredWidth );
MeasureSpec childWidthMeasureSpec = GetChildMeasureSpec( parentWidthMeasureSpec,
- padding.start + padding.end +
+ LayoutLength( padding.start + padding.end ) +
widthUsed, desiredWidth );
DALI_LOG_INFO( gLogFilter, Debug::Verbose, "LayoutGroup::MeasureChildWithMargins desiredHeight(%d)\n", desiredHeight );
MeasureSpec childHeightMeasureSpec = GetChildMeasureSpec( parentHeightMeasureSpec,
- padding.top + padding.bottom +
+ LayoutLength( padding.top + padding.bottom )+
heightUsed, desiredHeight );
child->Measure( childWidthMeasureSpec, childHeightMeasureSpec );
auto specMode = measureSpec.GetMode();
LayoutLength specSize = measureSpec.GetSize();
- auto size = std::max( LayoutLength(0), specSize - padding ); // reduce available size by the owners padding
+ LayoutLength size = std::max( LayoutLength(0), specSize - padding ); // reduce available size by the owners padding
- MeasureSpec::IntType resultSize = 0;
+ LayoutLength resultSize = 0;
MeasureSpec::Mode resultMode = MeasureSpec::Mode::UNSPECIFIED;
switch( specMode )
}
}
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "LayoutGroup::GetChildMeasureSpec resultSize(%u)\n", resultSize );
-
+ DALI_LOG_STREAM( gLogFilter, Debug::Verbose, "LayoutGroup::GetChildMeasureSpec resultSize(" << resultSize << ")\n" );
//noinspection ResourceType
return MeasureSpec( resultSize, resultMode );
#if defined(DEBUG_ENABLED)
auto parent = Toolkit::Control::DownCast( GetOwner() );
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "LayoutGroup::ChildAddedToOwner control(%s) owner(%s)\n", control?control.GetName().c_str():"Invalid", parent?parent.GetName().c_str():"Invalid" );
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "LayoutGroup::ChildAddedToOwner child control(%s) owner control(%s)\n",
+ control?control.GetName().c_str():"Invalid",
+ parent?parent.GetName().c_str():"Invalid" );
#endif
if( control ) // Can only support adding Controls, not Actors to layout
if( ! childLayout )
{
- // If the child doesn't already have a layout, then create a LayoutItem for it.
- childLayout = LayoutGroup::New( control );
- childLayout->SetAnimateLayout( IsLayoutAnimated() ); // @todo this essentially forces animation inheritance. Bad?
-#if defined(DEBUG_ENABLED)
- auto desiredSize = control.GetNaturalSize();
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "LayoutGroup::ChildAddedToOwner desiredSize(%f,%f) (naturalSize)\n", desiredSize.width, desiredSize.height );
-#endif
+ // If the child doesn't already have a layout, then create a LayoutItem or LayoutGroup for it.
+ // If control behaviour flag set to Layout then set a LayoutGroup.
+ if( DevelControl::IsLayoutingRequired( control ) )
+ {
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "LayoutGroup::ChildAddedToOwner Creating default LayoutGroup for control:%s\n",
+ control?control.GetName().c_str():"Invalid" );
+ childLayout = LayoutGroup::New( control );
+ }
+ else
+ {
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "LayoutGroup::ChildAddedToOwner Creating default LayoutItem for control:%s\n",
+ control?control.GetName().c_str():"Invalid" );
+ childLayout = LayoutItem::New( control );
+ childLayout->SetAnimateLayout( IsLayoutAnimated() ); // forces animation inheritance.
+ }
+
+ DALI_LOG_STREAM( gLogFilter, Debug::Verbose, "LayoutGroup::ChildAddedToOwner child control:" << control.GetName() <<
+ " desiredWidth: " << control.GetNaturalSize().width <<
+ " desiredHeight:" << control.GetNaturalSize().height );
+
childControlDataImpl.SetLayout( *childLayout.Get() );
Vector3 size = child.GetTargetSize();
}
else
{
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "LayoutGroup::ChildAddedToOwner child(%s) already has a Layout\n", control.GetName().c_str() );
LayoutGroupPtr layoutGroup( dynamic_cast< LayoutGroup* >( childLayout.Get() ) );
if( !layoutGroup )
{
for( auto&& child : mImpl->mChildren )
{
LayoutGroupPtr parentGroup( dynamic_cast< LayoutGroup* >( child.child.Get() ) );
- if( parentGroup && ( 0 == parentGroup->GetChildCount() ) ) // A leaf LayoutGroup will have no children.
+ if( ! parentGroup )
{
// Change state only in case of leaf children
child.child->SetAnimateLayout( animateLayout );
void LayoutGroup::OnMeasure( MeasureSpec widthMeasureSpec, MeasureSpec heightMeasureSpec )
{
+ auto childCount = GetChildCount();
+
DALI_LOG_STREAM( gLogFilter, Debug::Verbose,
"LayoutGroup::OnMeasure Actor Id:" << Actor::DownCast(GetOwner()).GetId() <<
" Owner:" << Actor::DownCast(GetOwner()).GetName() <<
+ " Child Count:" << childCount <<
" MeasureSpecs( width:"<<widthMeasureSpec<<", height:"<<heightMeasureSpec );
- auto childCount = GetChildCount();
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "LayoutGroup::OnMeasure child count(%u)\n", childCount);
-
auto widthMode = widthMeasureSpec.GetMode();
auto heightMode = heightMeasureSpec.GetMode();
LayoutLength widthSpecSize = widthMeasureSpec.GetSize();
auto childLayout = GetChildAt( i );
if( childLayout )
{
- auto childOwner = childLayout->GetOwner();
+ auto childControl = Toolkit::Control::DownCast(childLayout->GetOwner());
+
+ // If child control has children check if a ResizePolicy is set on it. A LayoutItem could be a legacy container.
+ // A legacy container would need it's ResizePolicy to be applied as a MeasureSpec.
+
+ // Check below will be true for legacy containers and controls with layout required set.
+ // Other layouts will have their own OnMeasure (a checked requirement) hence not execute LayoutGroup::OnMeasure.
+ // Controls which have set layout required will not be legacy controls hence should not have a ResizePolicy set.
+ if( childControl.GetChildCount() > 0 )
+ {
+ // First pass, Static mappings that are not dependant on parent
+ SizeNegotiationMapper::SetLayoutParametersUsingResizePolicy( childControl, childLayout, Dimension::WIDTH );
+ SizeNegotiationMapper::SetLayoutParametersUsingResizePolicy( childControl, childLayout, Dimension::HEIGHT );
+ }
+
+ // Second pass, if any mappings were not possible due to parent size dependancies then calculate an exact desired size for child
+ if( true == childLayout->IsResizePolicyRequired() ) // No need to test child count as this flag would only be set if control had children.
+ {
+ // Get last stored width and height specifications for the child
+ LayoutLength desiredWidth = childControl.GetProperty<float>( Toolkit::LayoutItem::ChildProperty::WIDTH_SPECIFICATION );
+ LayoutLength desiredHeight = childControl.GetProperty<float>( Toolkit::LayoutItem::ChildProperty::HEIGHT_SPECIFICATION );
+
+ DALI_LOG_INFO( gLogFilter, Debug::General, "LayoutGroup::MeasureChild Initial desired size pre ResizePolicy(%f,%f)\n", desiredWidth.AsInteger(), desiredHeight.AsInteger() );
+
+ childLayout->SetResizePolicyRequired( false ); // clear flag incase in case of changes before next Measure
+ SizeNegotiationMapper::GetSizeofChildForParentDependentResizePolicy( childControl, widthMeasureSpec, heightMeasureSpec, desiredWidth, desiredHeight );
+
+ // Parent dependant ResizePolicies become exact sizes so are now set on the child before it's measured.
+ childControl.SetProperty( Toolkit::LayoutItem::ChildProperty::WIDTH_SPECIFICATION, desiredWidth.AsInteger() );
+ childControl.SetProperty( Toolkit::LayoutItem::ChildProperty::HEIGHT_SPECIFICATION, desiredHeight.AsInteger() );
+
+ DALI_LOG_INFO( gLogFilter, Debug::General, " LayoutGroup::OnMeasure ResizePolicy Required resulting size(%f,%f)\n", desiredWidth.AsInteger(), desiredHeight.AsInteger() );
+ }
// Get size of child
MeasureChild( childLayout, widthMeasureSpec, heightMeasureSpec );
- auto childWidth = childLayout->GetMeasuredWidth();
- auto childHeight = childLayout->GetMeasuredHeight();
- auto childMargin = childLayout->GetMargin();
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "LayoutGroup::OnMeasure child width[%d] height(%d)\n", childWidth.mValue, childHeight.mValue );
+ LayoutLength childWidth = childLayout->GetMeasuredWidth();
+ LayoutLength childHeight = childLayout->GetMeasuredHeight();
+
+ Extents childMargin = childLayout->GetMargin();
+ DALI_LOG_STREAM( gLogFilter, Debug::Verbose, "LayoutGroup::OnMeasure child " << childControl.GetName().c_str() << " width[" << childWidth << "] height[" << childHeight << "]\n" );
layoutWidth = std::max( layoutWidth, childWidth + childMargin.start + childMargin.end );
layoutHeight = std::max( layoutHeight, childHeight + childMargin.top + childMargin.bottom );
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "LayoutGroup::OnMeasure calculated child width[%d] calculated height(%d)\n", layoutWidth.mValue, layoutHeight.mValue );
+ DALI_LOG_STREAM( gLogFilter, Debug::Verbose, "LayoutGroup::OnMeasure calculated child width[" << layoutWidth << "] height[" << layoutHeight << "]\n" );
+ }
+ else
+ {
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "LayoutGroup::OnMeasure Not a layout\n" );
}
}
layoutHeight = heightSpecSize;
}
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "LayoutGroup::OnMeasure Measured size(%d,%d) for : %s \n", layoutWidth.mValue, layoutHeight.mValue, Actor::DownCast(GetOwner()).GetName().c_str() );
+ DALI_LOG_STREAM( gLogFilter, Debug::General, "LayoutGroup::OnMeasure Measured size(" << layoutWidth << "," << layoutHeight << ") for : " << Actor::DownCast(GetOwner()).GetName() << " \n" );
SetMeasuredDimensions( MeasuredSize( layoutWidth ), MeasuredSize( layoutHeight ) );
}
void LayoutGroup::OnLayout( bool changed, LayoutLength left, LayoutLength top, LayoutLength right, LayoutLength bottom )
{
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "LayoutGroup::OnLayout\n");
-
auto count = GetChildCount();
+ DALI_LOG_STREAM( gLogFilter, Debug::Verbose, "LayoutGroup OnLayout owner:" << ( ( Toolkit::Control::DownCast(GetOwner())) ? Toolkit::Control::DownCast(GetOwner()).GetName() : "invalid" ) << " childCount:" << count );
+
for( unsigned int childIndex = 0; childIndex < count; childIndex++)
{
LayoutItemPtr childLayout = GetChildAt( childIndex );
{
auto childOwner = childLayout->GetOwner();
- auto childWidth = childLayout->GetMeasuredWidth();
- auto childHeight = childLayout->GetMeasuredHeight();
- auto childMargin = childLayout->GetMargin();
+ LayoutLength childWidth = childLayout->GetMeasuredWidth();
+ LayoutLength childHeight = childLayout->GetMeasuredHeight();
+ Extents childMargin = childLayout->GetMargin();
auto control = Toolkit::Control::DownCast( childOwner );
Extents padding = GetPadding();
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "LayoutGroup::OnLayout child width[%d] height(%d)\n", childWidth.mValue, childHeight.mValue );
-
auto childPosition = control.GetProperty< Vector3 >( Actor::Property::POSITION );
auto anchorPoint = control.GetProperty< Vector3 >( Actor::Property::ANCHOR_POINT );
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "LayoutGroup::OnLayout child[%s] position(%f,%f)\n", control.GetName().c_str(), childPosition.x, childPosition.y );
+ DALI_LOG_STREAM( gLogFilter, Debug::General, "LayoutGroup::OnLayout child[" << control.GetName() <<
+ "] position(" << childPosition << ") child width[" << childWidth << "] height[" << childHeight << "]\n" );
// Margin and Padding only supported when child anchor point is TOP_LEFT.
int paddingAndMarginOffsetX = ( AnchorPoint::TOP_LEFT == anchorPoint ) ? ( padding.top + childMargin.top ) : 0;
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