scalos/libraries/popupmenu/pmshadow.h

   1 //
   2 // pmshadow.h
   3 //
   4 // PopupMenu Library - Shadows
   5 //
   6 // Copyright (C)2000 Henrik Isaksson <henrik@boing.nu>
   7 // All Rights Reserved.
   8 //
   9 // $Date$
  10 // $Revision$
  11 //
  12
  13 #ifndef PM_SHADOW_H
  14 #define PM_SHADOW_H
  15
  16 #ifndef PM_DLIST_H
  17 #include "pmdlist.h"
  18 #endif
  19
  20 #ifndef MAX
  21 #define MAX(a,b)        (a>b?a:b)
  22 #endif
  23 #ifndef MIN
  24 #define MIN(a,b)        (a<b?a:b)
  25 #endif
  26
  27 #define SHADOWFLAG_LEFT         (1L << 0)
  28 #define SHADOWFLAG_BOTTOM       (1L << 1)
  29 #define SHADOWFLAG_TOP          (1L << 2)
  30 #define SHADOWFLAG_RIGHT        (1L << 3)
  31
  32 struct PMShadowRect {
  33         PMGLN           n;
  34         WORD            Left;
  35         WORD            Top;
  36         WORD            Right;
  37         WORD            Bottom;
  38         UBYTE           pmsr_Type;
  39 };
  40
  41 typedef struct PMShadowRect PMSR;
  42 typedef struct MinList PMSRList;
  43
  44 #define PM_InitShadowList               (PMSRList *)PM_InitList
  45 #define PM_FreeShadowList(l)            PM_FreeList((PMDList *)l)
  46 #define PM_CopyShadowList(l)            (PMSRList *)PM_CopyList((PMDList *)l)
  47 #define PM_AddShadowToList(l, A)        PM_AddToList((PMDList *)l, (PMNode *)A)
  48 #define PM_UnlinkShadow(l, A)           PM_Unlink((PMDList *)l, (PMNode *)A)
  49 #define PM_FreeShadowNode(A)            PM_FreeNode((PMNode *)A)
  50 //#define PM_CopyShadowNode(A)          (PMSR *)PM_CopyNode((PMNode *)A)
  51 /*
  52 void PM_AddShadowToList(PMSRList *l, PMSR *A);  // Add A to l. *
  53 void PM_UnlinkShadow(PMSRList *l, PMSR *A);     // Remove A from l. *
  54 void PM_FreeShadowNode(PMSR *A);                // Free a shadow node. *
  55 */
  56 PMSR *PM_CopyShadowNode(PMSR *A);               // Copy a shadow node. *
  57
  58
  59 //PMSRList *PM_InitShadowList(void);            // Create a new list header *
  60 //void PM_FreeShadowList(PMSRList *list);               // Free a list of shadow rects *
  61 //PMSRList *PM_CopyShadowList(PMSRList *list);  // Copy a list of shadow rects *
  62
  63 BOOL PM_AddShadow(PMSRList *sigma,              // Add shadows in delta to
  64                 PMSRList *delta);               // sigma, and modify shadows
  65                                                 // in delta so they will not
  66                                                 // overlap shadows in sigma. *
  67
  68 BOOL PM_SubMenuRect(PMSRList *sigma,            // Subract a rectangle from
  69         WORD l, WORD t, WORD w, WORD h);        // list. *
  70
  71
  72 //
  73 // Support functions.
  74 //
  75
  76 BOOL PM_ShadowOverlap(PMSR *A, PMSR *B);        // Does A touch B anywhere? *
  77
  78 #endif