src/mac/ldef/extldef.h

   1 #pragma once
   2
   3 #include <Lists.h>
   4 #include <stdlib.h>
   5
   6 #define kExtLDEFID 128  // resource id of our LDEF resource
   7
   8 typedef void (*ExtLDEFDrawProcType)(Rect *r, Cell cell, ListHandle lh, long refcon);
   9
  10 enum {
  11         uppExtLDEFDrawProcInfo = kCStackBased
  12                  | STACK_ROUTINE_PARAMETER(1, SIZE_CODE(sizeof(Rect *)))
  13                  | STACK_ROUTINE_PARAMETER(2, SIZE_CODE(sizeof(Cell)))
  14                  | STACK_ROUTINE_PARAMETER(3, SIZE_CODE(sizeof(ListHandle)))
  15                  | STACK_ROUTINE_PARAMETER(4, SIZE_CODE(sizeof(long)))
  16 };
  17
  18 #if USESROUTINEDESCRIPTORS
  19 typedef UniversalProcPtr ExtLDEFDrawProcUPP;
  20
  21 #define CallExtLDEFDrawProc(userRoutine, r, cell, lh , refcon )         \
  22                 CallUniversalProc((UniversalProcPtr)(userRoutine), uppExtLDEFDrawProcInfo, r, cell, lh , refcon )
  23 #define NewExtLDEFDrawProc(userRoutine)         \
  24                 (ExtLDEFDrawProcUPP) NewRoutineDescriptor((ProcPtr)(userRoutine), uppExtLDEFDrawProcInfo, GetCurrentISA())
  25
  26 #else
  27 typedef ExtLDEFDrawProcType ExtLDEFDrawProcUPP;
  28
  29 #define CallExtLDEFDrawProc(userRoutine, r, cell, lh , refcon)          \
  30                 (*(userRoutine))(r, cell, lh, refcon)
  31 #define NewExtLDEFDrawProc(userRoutine)         \
  32                 (ExtLDEFDrawProcUPP)(userRoutine)
  33 #endif
  34
  35 typedef struct
  36 {
  37         long                                                            refCon ;
  38         ExtLDEFDrawProcUPP      drawProc ;
  39 } ExtLDEFInfo ;
  40
  41 static void NewExtLDEFInfo( ListHandle lh , ExtLDEFDrawProcType drawproc , long refcon ) ;
  42 static void NewExtLDEFInfo( ListHandle lh , ExtLDEFDrawProcType drawproc , long refcon )
  43 {
  44         ExtLDEFInfo* info = (ExtLDEFInfo* ) malloc( sizeof( ExtLDEFInfo ) ) ;
  45         info->drawProc = NewExtLDEFDrawProc( drawproc ) ;
  46         info->refCon = refcon ;
  47         (**lh).refCon = (long) info ;
  48 }
  49
  50 static void DisposeExtLDEFInfo( ListHandle lh) ;
  51 static void DisposeExtLDEFInfo( ListHandle lh)
  52 {
  53         ExtLDEFInfo* info = (ExtLDEFInfo* )  (**lh).refCon ;
  54         if ( info )
  55         {
  56         #if !TARGET_CARBON
  57                 DisposeRoutineDescriptor( (RoutineDescriptor*) info->drawProc ) ;
  58         #endif
  59                 free( (void*) (**lh).refCon ) ;
  60         }
  61 }