<> <> <> <<--Procedures with vanilla stuff around applications>> DIRECTORY CD, CDInline, CDOrient; CDApplications: CEDAR DEFINITIONS IMPORTS CDInline, CDOrient = BEGIN <<--be carefull, ApplicationList's are lists of pointers, distinguish between:>> <<--procedures which modify the application list, from procedures which don't>> <<--procedures which modify the applications pointed to, from procedures which don't>> <<--procedures which modify an application list, from procedures which modify the applications>> <<--procedures around one application>> HighPosition: PROC [aptr: CD.ApplicationPtr] RETURNS [CD.DesignPosition] = INLINE {RETURN [CDInline.AddSize[aptr.location, CDOrient.OrientedSize[aptr.ob.size, aptr.orientation]]]}; InsideApplication: PROC [pos: CD.DesignPosition, aptr: CD.ApplicationPtr] RETURNS [BOOLEAN] = <<--returns "pos points to the application aptr" >> INLINE {RETURN [ CDInline.OrderedIncreasing[aptr.location, pos] AND CDInline.OrderedIncreasing[pos, HighPosition[aptr]]]}; HitInsideApplication: PROC [pos: CD.DesignPosition, aptr: CD.ApplicationPtr] RETURNS [BOOLEAN] = <<--returns "pos points to the application aptr", using its virtual coordinates>> INLINE {RETURN [aptr.ob.p.hitInside[aptr, CDInline.RectAt[pos, [0, 0]]]]}; ApplicationRect: PROC [aptr: CD.ApplicationPtr] RETURNS [CD.DesignRect] = INLINE {RETURN [CDOrient.RectAt[aptr.location, aptr.ob.size, aptr.orientation]]}; NewApplication: PROC [ob: CD.ObPtr, location: CD.DesignPosition_[0,0], orientation: CD.Orientation_0, selected: BOOLEAN _ FALSE, properties: CD.Properties_NIL] RETURNS [CD.ApplicationPtr]; <<--creates a new application, does neither draw nor include it into any world>> <<--modifies location such that ob...insideRect is at original location>> Transform: PROC [aptr: CD.ApplicationPtr, cellRect: CD.DesignRect, transformation: CD.Orientation]; <<--performs "transformation" to "aptr"; the transformation occurs to the rect "cellRect".>> <<--"cellRect" and "aptr" in the same coordinate system>> <<--transformation group NOT abelsch>> Translate: PROC [aptr: CD.ApplicationPtr, offset: CD.DesignPosition] = <<--translates aptr^ by offset; aptr, offset in same coordinate system>> INLINE {aptr.location _ CDInline.AddPoints[aptr.location, offset]}; <<--procedures inspecting an application list>> AplicationAt: PROC [al: CD.ApplicationList, pos: CD.DesignPosition, selectedOnly: BOOL_FALSE] RETURNS [CD.ApplicationPtr]; <<--returns a reference to an application at location pos (or NIL if there is none)>> BoundingRect: PROC[list: CD.ApplicationList, selectedOnly: BOOLEAN_FALSE] RETURNS [CD.DesignRect]; <<--real coordinates>> <<--procedures which modify the applications referenced by a list>> TransformList: PROC[al: CD.ApplicationList, cellRect: CD.DesignRect, transformation: CD.Orientation]; TranslateList: PROC[al: CD.ApplicationList, offset: CD.DesignPosition]; DeSelectList: PROC [list: CD.ApplicationList]; AppendToList: PROC [app, to: CD.ApplicationList] RETURNS [CD.ApplicationList]; <<--composes the lists "app" and "to">> <<--the original list "to" might be destroyed and must be replaced by the returned list>> <<--the original list "app" is not touched >> <<--procedures which handle the application list but don't modify the applications>> SplitPointed: PROC [from: CD.ApplicationList, pos: CD.DesignPosition] RETURNS [pointed, others: CD.ApplicationList]; <<--copyes the pointed application references from "from" to "pointed">> <<--finds maximal 1 pointed application>> <<--copyes the non-pointed application references from "from" to "others">> <<--does not make copies of the real applications>> <<>> SplitSelected: PROC [from: CD.ApplicationList] RETURNS [selected, others: CD.ApplicationList]; <<--copyes the selected application references from "from" to "selected">> <<--copyes the non-selected application references from "from" to "others">> <<--returns new lists but same applications>> <<>> OnlySelected: PROC[al: CD.ApplicationList] RETURNS [selected: CD.ApplicationList]; <<--returns new list but same applications>> <<--procedures which create a new application list, with new applications>> CopyList: PROC[al: CD.ApplicationList] RETURNS [CD.ApplicationList]; <<--creates a new list with new applications>> ComposedCopy: PROC[al: CD.ApplicationList, cellPos, cellSize: CD.DesignPosition, cellOrient: CD.Orientation] RETURNS [CD.ApplicationList]; <<--makes a copy of "al" with world coordinates assumed that "al" has cell coordinates>> <<--cellSize in cell coordinates, cellPos in world cordinates>> <<--the new list points to new applications>> DeComposedCopy: PROC[al: CD.ApplicationList, cellPos, cellSize: CD.DesignPosition, cellOrient: CD.Orientation] RETURNS [CD.ApplicationList]; <<--makes a copy of "al" with cell coordinates assumed al has world coordinates>> <<--cellSize in cell coordinates>> <<--cellPos, cellOrient in world coordinates>> <<--the new list points to new applications>> END.