1 /*
2  * Copyright (c) 1998 by The XFree86 Project, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE XFREE86 PROJECT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
18  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
19  * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20  * SOFTWARE.
21  *
22  * Except as contained in this notice, the name of the XFree86 Project shall
23  * not be used in advertising or otherwise to promote the sale, use or other
24  * dealings in this Software without prior written authorization from the
25  * XFree86 Project.
26  */
27 
28 #ifndef _XawPrivate_h
29 #define _XawPrivate_h
30 
31 #define XawMax(a, b) ((a) > (b) ? (a) : (b))
32 #define XawMin(a, b) ((a) < (b) ? (a) : (b))
33 #define XawAbs(a)    ((a) < 0 ? -(a) : (a))
34 
35 #define XawStackAlloc(size, stk_buffer)		\
36 ((size) <= sizeof(stk_buffer)			\
37  ? (XtPointer)(stk_buffer)			\
38  : XtMalloc((Cardinal)(size)))
39 
40 #define XawStackFree(pointer, stk_buffer)	\
41 do {						\
42   if ((pointer) != (XtPointer)(stk_buffer))	\
43     XtFree((char *)pointer);			\
44 } while (0)
45 
46 #ifndef XtX
47 #define XtX(w)            (((RectObj)w)->rectangle.x)
48 #endif
49 #ifndef XtY
50 #define XtY(w)            (((RectObj)w)->rectangle.y)
51 #endif
52 #ifndef XtWidth
53 #define XtWidth(w)        (((RectObj)w)->rectangle.width)
54 #endif
55 #ifndef XtHeight
56 #define XtHeight(w)       (((RectObj)w)->rectangle.height)
57 #endif
58 #ifndef XtBorderWidth
59 #define XtBorderWidth(w)  (((RectObj)w)->rectangle.border_width)
60 #endif
61 
62 #ifndef OLDXAW
63 #define XAW_PRIV_VAR_PREFIX '$'
64 
65 typedef Bool (*XawParseBooleanProc)(Widget, String, XEvent*, Bool*);
66 
67 typedef struct _XawActionVarList XawActionVarList;
68 typedef struct _XawActionResList XawActionResList;
69 
70 /* Boolean expressions */
71 Bool XawParseBoolean(Widget, String, XEvent*, Bool*);
72 Bool XawBooleanExpression(Widget, String, XEvent*);
73 
74 /* actions */
75 void XawPrintActionErrorMsg(String, Widget, String*, Cardinal*);
76 XawActionResList *XawGetActionResList(WidgetClass);
77 XawActionVarList *XawGetActionVarList(Widget);
78 
79 void XawSetValuesAction(Widget, XEvent*, String*, Cardinal*);
80 void XawGetValuesAction(Widget, XEvent*, String*, Cardinal*);
81 void XawDeclareAction(Widget, XEvent*, String*, Cardinal*);
82 void XawCallProcAction(Widget, XEvent*, String*, Cardinal*);
83 
84 /* display lists */
85 #define	XAWDL_CONVERT_ERROR	(XtPointer)-1
86 typedef struct _XawDL _XawDisplayList;
87 typedef struct _XawDLClass XawDLClass, XawDisplayListClass;
88 
89 typedef void (*XawDisplayListProc)(Widget, XtPointer, XtPointer,
90 				   XEvent*, Region);
91 typedef void *(*XawDLArgsInitProc)(String, String*, Cardinal*,
92 				   Screen*, Colormap, int);
93 typedef void *(*XawDLDataInitProc)(String,
94 				   Screen*, Colormap, int);
95 typedef void (*XawDLArgsDestructor)(Display*, String, XtPointer,
96 				    String*, Cardinal*);
97 typedef void (*XawDLDataDestructor)(Display*, String, XtPointer);
98 
99 void XawRunDisplayList(Widget, _XawDisplayList*, XEvent*, Region);
100 void XawDisplayListInitialize(void);
101 
102 _XawDisplayList *XawCreateDisplayList(String, Screen*, Colormap, int);
103 void XawDestroyDisplayList(_XawDisplayList*);
104 String XawDisplayListString(_XawDisplayList*);
105 XawDLClass *XawGetDisplayListClass(String);
106 XawDLClass *XawCreateDisplayListClass(String,
107 				      XawDLArgsInitProc, XawDLArgsDestructor,
108 				      XawDLDataInitProc, XawDLDataDestructor);
109 Bool XawDeclareDisplayListProc(XawDLClass*, String, XawDisplayListProc);
110 
111 /* pixmaps */
112 typedef struct _XawArgVal {
113   String name;
114   String value;
115 } XawArgVal;
116 
117 typedef struct _XawParams {
118   String name;
119   String type;
120   String ext;
121   XawArgVal **args;
122   Cardinal num_args;
123 } XawParams;
124 
125 typedef struct _XawPixmap {
126   String name;
127   Pixmap pixmap;
128   Pixmap mask;
129   Dimension width;
130   Dimension height;
131 } XawPixmap;
132 
133 typedef Bool (*XawPixmapLoader)(XawParams*, Screen*, Colormap, int,
134 				   Pixmap*, Pixmap*,
135 				   Dimension*, Dimension*);
136 Bool XawPixmapsInitialize(void);
137 Bool XawAddPixmapLoader(String, String, XawPixmapLoader);
138 XawPixmap *XawLoadPixmap(String, Screen*, Colormap, int);
139 XawPixmap *XawPixmapFromXPixmap(Pixmap, Screen*, Colormap, int);
140 XawParams *XawParseParamsString(String name);
141 void XawFreeParamsStruct(XawParams *params);
142 XawArgVal *XawFindArgVal(XawParams *params, String name);
143 void XawReshapeWidget(Widget, XawPixmap*);
144 #endif /* OLDXAW */
145 
146 /* misc */
147 void XawTypeToStringWarning(Display*, String);
148 
149 /* OS.c */
150 int _XawGetPageSize(void);
151 
152 #endif /* _XawPrivate_h */
153