Wt
3.2.3
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An abstract base class for items that can participate in a layout. More...
#include <Wt/WLayoutItem>
Public Member Functions | |
virtual | ~WLayoutItem () |
Destructor. | |
virtual WWidgetItem * | findWidgetItem (WWidget *widget)=0 |
Finds the widget item corresponding to the given widget | |
virtual WLayout * | layout ()=0 |
Returns the layout that implements this WLayoutItem. | |
virtual WWidget * | widget ()=0 |
Returns the widget that is held by this WLayoutItem. | |
virtual WLayout * | parentLayout () const =0 |
Returns the layout in which this item is contained. | |
virtual WLayoutItemImpl * | impl () const =0 |
Returns the implementation for this layout item. | |
Private Member Functions | |
virtual void | setParentWidget (WWidget *parent)=0 |
Internal method. | |
virtual void | setParentLayout (WLayout *parentLayout)=0 |
Internal method. |
An abstract base class for items that can participate in a layout.
virtual WWidgetItem* Wt::WLayoutItem::findWidgetItem | ( | WWidget * | widget | ) | [pure virtual] |
Finds the widget item corresponding to the given widget
The widget is searched for recursively inside nested layouts.
Implemented in Wt::WLayout, and Wt::WWidgetItem.
virtual WLayoutItemImpl* Wt::WLayoutItem::impl | ( | ) | const [pure virtual] |
Returns the implementation for this layout item.
The implementation of a layout item depends on the kind of container for which the layout does layout management.
Implemented in Wt::WLayout, and Wt::WWidgetItem.
virtual WLayout* Wt::WLayoutItem::layout | ( | ) | [pure virtual] |
Returns the layout that implements this WLayoutItem.
This implements a type-safe upcasting mechanism to a WLayout.
Implemented in Wt::WLayout, and Wt::WWidgetItem.
virtual WWidget* Wt::WLayoutItem::widget | ( | ) | [pure virtual] |
Returns the widget that is held by this WLayoutItem.
This implements a type-safe upcasting mechanism to a WWidgetItem.
Implemented in Wt::WLayout, and Wt::WWidgetItem.