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RelativeCoordinatePositionerBase Class Reference

Base class for Component::Positioners that are based upon relative coordinates. More...

Inherits Component::Positioner, ComponentListener, and MarkerList::Listener.

List of all members.

Classes

class  ComponentScope
 Used for resolving a RelativeCoordinate expression in the context of a component. More...

Public Member Functions

 RelativeCoordinatePositionerBase (Component &component_)
 ~RelativeCoordinatePositionerBase ()
void componentMovedOrResized (Component &, bool, bool)
 Called when the component's position or size changes.
void componentParentHierarchyChanged (Component &)
 Called to indicate that the component's parents have changed.
void componentChildrenChanged (Component &component)
 Called when the component has children added or removed.
void componentBeingDeleted (Component &component)
 Called when the component is in the process of being deleted.
void markersChanged (MarkerList *)
 Called when something in the given marker list changes.
void markerListBeingDeleted (MarkerList *markerList)
 Called when the given marker list is being deleted.
void apply ()
bool addCoordinate (const RelativeCoordinate &coord)
bool addPoint (const RelativePoint &point)

Protected Member Functions

virtual bool registerCoordinates ()=0
virtual void applyToComponentBounds ()=0

Detailed Description

Base class for Component::Positioners that are based upon relative coordinates.


Constructor & Destructor Documentation


Member Function Documentation

void RelativeCoordinatePositionerBase::componentMovedOrResized ( Component component,
bool  wasMoved,
bool  wasResized 
) [virtual]

Called when the component's position or size changes.

Parameters:
componentthe component that was moved or resized
wasMovedtrue if the component's top-left corner has just moved
wasResizedtrue if the component's width or height has just changed
See also:
Component::setBounds, Component::resized, Component::moved

Reimplemented from ComponentListener.

Called to indicate that the component's parents have changed.

When a component is added or removed from its parent, all of its children will produce this notification (recursively - so all children of its children will also be called as well).

Parameters:
componentthe component that this listener is registered with
See also:
Component::parentHierarchyChanged

Reimplemented from ComponentListener.

Called when the component has children added or removed.

Parameters:
componentthe component whose children were changed
See also:
Component::childrenChanged, Component::addChildComponent, Component::removeChildComponent

Reimplemented from ComponentListener.

Called when the component is in the process of being deleted.

This callback is made from inside the destructor, so be very, very cautious about what you do in here.

In particular, bear in mind that it's the Component base class's destructor that calls this - so if the object that's being deleted is a subclass of Component, then the subclass layers of the object will already have been destructed when it gets to this point!

Reimplemented from ComponentListener.

Called when something in the given marker list changes.

Implements MarkerList::Listener.

Called when the given marker list is being deleted.

Reimplemented from MarkerList::Listener.

virtual bool RelativeCoordinatePositionerBase::registerCoordinates ( ) [protected, pure virtual]
virtual void RelativeCoordinatePositionerBase::applyToComponentBounds ( ) [protected, pure virtual]

The documentation for this class was generated from the following file: