client/gui-xaw/canvasp.h

   1 /*
   2
   3     CanvasP.h - private header file for the Canvas Widget
   4     -  a widget that allows programmer-specified refresh procedures.
   5     Copyright (C) 1990,93,94 Robert H. Forsman Jr.
   6
   7     This library is free software; you can redistribute it and/or
   8     modify it under the terms of the GNU Library General Public
   9     License as published by the Free Software Foundation; either
  10     version 2 of the License, or (at your option) any later version.
  11
  12     This library is distributed in the hope that it will be useful,
  13     but WITHOUT ANY WARRANTY; without even the implied warranty of
  14     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15     Library General Public License for more details.
  16
  17     You should have received a copy of the GNU Library General Public
  18     License along with this library; if not, write to the Free
  19     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20
  21  */
  22
  23 #ifndef _CanvasP_h
  24 #define _CanvasP_h
  25
  26 #include <X11/IntrinsicP.h>
  27 #include <X11/CoreP.h>
  28 #include <X11/Xaw/SimpleP.h>
  29
  30 #include "canvas.h"
  31
  32 typedef struct {
  33   char  dummy;  /* some stupid compilers barf on empty structures */
  34 } CanvasClassPart;
  35
  36
  37 typedef struct _PixlabelClassRec {
  38   CoreClassPart       core_class;
  39   SimpleClassPart     simple_class;
  40   CanvasClassPart     canvas_class;
  41 } CanvasClassRec;
  42
  43 extern CanvasClassRec canvasClassRec;
  44
  45
  46 typedef struct {
  47   XfwfCanvasExposeProc  redraw;
  48   XtPointer             redraw_data;
  49   XfwfCanvasResizeProc  resize;
  50   XtPointer             resize_data;
  51   Pixmap                pixmap;
  52   Visual                *visual;
  53   int                   is_visible;
  54 } CanvasPart;
  55
  56 typedef struct _CanvasRec {
  57   CorePart    core;
  58   SimplePart  simple;
  59   CanvasPart  canvas;
  60 } CanvasRec;
  61
  62 #endif /* _CanvasP_h */