Class: HierarchicalDropTargetController

• Inheritance
• Class protocol
  • constants
  • instance creation
• Instance protocol
  • drop actions
  • instance creation
  • private

Inheritance:

   Object
   |
   +--HierarchicalDropTargetController

Package:

stx:libwidg2

Category:

Interface-DragAndDrop

Version:

rev: 1.9 date: 2018/06/15 00:48:45

user: cg

file: HierarchicalDropTargetController.st directory: libwidg2

module: stx stc-classLibrary: libwidg2

Class protocol:

 delayMilliSecondsBeforeExpand

 receiver: aReceiver argument: anArgument dropSelector: aDropSelector canDropSelector: aCanDropSelector

 receiver: aReceiver argument: anArgument dropSelector: aDropSelector canDropSelector: aCanDropSelector canExpandSelector: aCanExpandSelector

 receiver: aReceiver dropSelector: aDropSelector canDropSelector: aCanDropSelector

 receiver: aReceiver dropSelector: aDropSelector canDropSelector: aCanDropSelector canExpandSelector: aCanExpandSelector

Instance protocol:

 canDrop: aDropContext

return true, if the DropContext can be dropped into the list of items

 drop: aDropContext

drop the dropContext into the hierachical list of items

 dropEnter: aDropContext

a drop operation enters my widget; set the highlightMode in the target widget

 dropLeave: aDropContext

restore drop indications drawn...

 dropOver: aDropContext

never setup by dropEnter:

 receiver: aReceiver argument: anArgument dropSelector: aDropSelector canDropSelector: aCanDropSelector canExpandSelector: aCanExpandSelector

 changeDropLineTo: aLineOrNil in: aDropContext

nothing changed

 expandForDrop: aDropContext at: aLnNr

work around X11 draw problems