diff options
Diffstat (limited to 'tk/generic/tk3d.h')
| -rw-r--r-- | tk/generic/tk3d.h | 32 |
1 files changed, 24 insertions, 8 deletions
diff --git a/tk/generic/tk3d.h b/tk/generic/tk3d.h index 71115f2cf5f..c62cf12de5a 100644 --- a/tk/generic/tk3d.h +++ b/tk/generic/tk3d.h @@ -4,7 +4,7 @@ * Declarations of types and functions shared by the 3d border * module. * - * Copyright (c) 1996 by Sun Microsystems, Inc. + * Copyright (c) 1996-1997 by Sun Microsystems, Inc. * * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. @@ -23,13 +23,13 @@ #endif /* - * One of the following data structures is allocated for - * each 3-D border currently in use. Structures of this - * type are indexed by borderTable, so that a single - * structure can be shared for several uses. + * One of the following data structures is allocated for each 3-D border + * currently in use. Structures of this type are indexed by + * borderTable, so that a single structure can be shared for several + * uses. */ -typedef struct { +typedef struct TkBorder { Screen *screen; /* Screen on which the border will be used. */ Visual *visual; /* Visual for all windows and pixmaps using * the border. */ @@ -37,8 +37,18 @@ typedef struct { * the border will be used. */ Colormap colormap; /* Colormap out of which pixels are * allocated. */ - int refCount; /* Number of different users of - * this border. */ + int resourceRefCount; /* Number of active uses of this color (each + * active use corresponds to a call to + * Tk_Alloc3DBorderFromObj or Tk_Get3DBorder). + * If this count is 0, then this structure + * is no longer valid and it isn't present + * in borderTable: it is being kept around + * only because there are objects referring + * to it. The structure is freed when + * resourceRefCount and objRefCount are + * both 0. */ + int objRefCount; /* The number of Tcl objects that reference + * this structure. */ XColor *bgColorPtr; /* Background color (intensity * between lightColorPtr and * darkColorPtr). */ @@ -63,6 +73,11 @@ typedef struct { * haven't been allocated yet. */ Tcl_HashEntry *hashPtr; /* Entry in borderTable (needed in * order to delete structure). */ + struct TkBorder *nextPtr; /* Points to the next TkBorder structure with + * the same color name. Borders with the + * same name but different screens or + * colormaps are chained together off a + * single entry in borderTable. */ } TkBorder; @@ -85,3 +100,4 @@ EXTERN void TkpFreeBorder _ANSI_ARGS_((TkBorder *borderPtr)); # define TCL_STORAGE_CLASS DLLIMPORT #endif /* _TK3D */ + |