91 lines
3.3 KiB
C
91 lines
3.3 KiB
C
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#ifndef CDK_OBJS_H
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#define CDK_OBJS_H
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/*
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* Copyright 1999, Thomas Dickey
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgment:
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* This product includes software developed by Mike Glover
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* and contributors.
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* 4. Neither the name of Mike Glover, nor the names of contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THOMAS DICKEY AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THOMAS DICKEY OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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typedef struct CDKBINDING {
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BINDFN bindFunction;
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void * bindData;
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PROCESSFN callbackfn;
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} CDKBINDING;
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/*
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* Methods common to all widgets.
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*/
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typedef struct CDKFUNCS {
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void (*drawObj)(struct CDKOBJS *, boolean);
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void (*eraseObj)(struct CDKOBJS *);
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void (*moveObj)(struct CDKOBJS *, int, int, boolean, boolean);
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} CDKFUNCS;
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/*
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* Data common to all objects (widget instances). This appears first in
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* each widget's struct to allow us to use generic functions in binding.c
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* and cdkscreen.c
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*/
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typedef struct CDKOBJS {
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int screenIndex;
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CDKSCREEN * screen;
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CDKFUNCS *fn;
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boolean box;
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int bindingCount;
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CDKBINDING * bindingList;
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} CDKOBJS;
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#define ObjOf(ptr) (&(ptr)->obj)
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#define MethodOf(ptr) (ObjOf(ptr)->fn)
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#define ScreenOf(ptr) (ObjOf(ptr)->screen)
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#define WindowOf(ptr) (ScreenOf(ptr)->window)
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void * _newCDKObject(unsigned, CDKFUNCS *);
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#define newCDKObject(type,funcs) (type *)_newCDKObject(sizeof(type),funcs)
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#define drawCDKObject(o,box) MethodOf(o)->drawObj(ObjOf(o),box)
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#define eraseCDKObject(o) MethodOf(o)->eraseObj(ObjOf(o))
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#define moveCDKObject(o,x,y,rel,ref) MethodOf(o)->moveObj(ObjOf(o),x,y,rel,ref)
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#define DeclareCDKObjects(table,module) \
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static void _drawCDK ## module (struct CDKOBJS *, boolean); \
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static void _eraseCDK ## module (struct CDKOBJS *); \
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static void _moveCDK ## module (struct CDKOBJS *, int, int, boolean, boolean); \
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static CDKFUNCS table = { \
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_drawCDK ## module, \
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_eraseCDK ## module, \
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_moveCDK ## module, \
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}
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void positionCDKObject (CDKOBJS *, WINDOW *);
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#endif /* CDK_OBJS_H */
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