7.19 kCADEventIDSelectDeselect

kCADEventPhaseBefore

Selecting objects with a single mouse click, a selection rectangle or a touching line triggers a kCADEventPhaseBefore phase of the kCADEventIDSelectDeselect event. The action can be intercepted.

Selecting objects is described in detail in the sections Intersect mode, Enclose mode, Touch mode, Translate mode and Reshape mode.

IO	Parameter	Type	Description
in	theCADArea	longint	Area ID
in	theEventID	longint	kCADEventIDSelectDeselect
in	theEventPhase	longint	kCADEventPhaseBefore
in	theEventData1	longint	kCADTrue for a single click, kCADFalse for a selecting rectangle or line
in	theEventData2	longint	Mode on the Mode palette (without the effect of modifiers keys), a mode constant
in	theEventData3	longint	Selection action or 0, a selection action constant
in	theEventData4	longint	0 (or string ObjID for kCADModeWriteString)
in	theMouseX	real	Selection box low X-coordinate (or selection line start X-coordinate for mode kCADModeTouch, or snap X-coordinate for mode kCADModeWriteString)
in	theMouseY	real	Selection box low Y-coordinate (or selection line start Y-coordinate for mode kCADModeTouch, or snap Y-coordinate for mode kCADModeWriteString)
in	theEventValue1	real	Selection box high X-coordinate (or selection line end X-coordinate for mode kCADModeTouch, or snap X-coordinate for mode kCADModeWriteString)
in	theEventValue2	real	Selection box high Y-coordinate (or selection line end Y-coordinate for mode kCADModeTouch, or snap Y-coordinate for mode kCADModeWriteString)
in	theKeyAsciiValue	integer	0
in	theModifiers	longint	Sum of pressed modifier keys, a mask of modifier key constants
in	theTickCount	longint	Tick count of the system software (a tick is a 1/60th of a second)
out	theEventResult	longint	Set to kCADEventResultDoFilter to filter out the event or to kCADEventResultDontFilter to let it pass.

kCADEventPhaseAfter

An kCADEventPhaseAfter phase is generated when the kCADEventPhaseBefore phase passed and objects have been selected or deselected.

IO	Parameter	Type	Description
in	theCADArea	longint	Area ID
in	theEventID	longint	kCADEventIDSelectDeselect
in	theEventPhase	longint	kCADEventPhaseAfter
in	theEventData1	longint	Object ID or 0
in	theEventData2	longint	Mode on the Mode palette (without the effect of modifiers keys), a mode constant
in	theEventData3	longint	Count of selected objects
in	theEventData4	longint	0 (or string ObjID for kCADModeWriteString)
in	theMouseX	real	Selection box low X-coordinate (or selection line start X-coordinate for mode kCADModeTouch, or snap X-coordinate for mode kCADModeWriteString)
in	theMouseY	real	Selection box low Y-coordinate (or selection line start Y-coordinate for mode kCADModeTouch, or snap Y-coordinate for mode kCADModeWriteString)
in	theEventValue1	real	Selection box high X-coordinate (or selection line end X-coordinate for mode kCADModeTouch, or snap X-coordinate for mode kCADModeWriteString)
in	theEventValue2	real	Selection box high Y-coordinate (or selection line end Y-coordinate for mode kCADModeTouch, or snap Y-coordinate for mode kCADModeWriteString)
in	theKeyAsciiValue	integer	0
in	theModifiers	longint	Sum of pressed modifier keys, a mask of modifier key constants
in	theTickCount	longint	Tick count of the system software (a tick is a 1/60th of a second)
in/out	theEventResult	longint	Don’t change.

This event can be followed by a kCADEventIDObjReshape, kCADEventIDObjTranslate, kCADEventIDObjDoubleClick or kCADEventIDWriteString event.