1/*
2
3Copyright 1989, 1998  The Open Group
4
5Permission to use, copy, modify, distribute, and sell this software and its
6documentation for any purpose is hereby granted without fee, provided that
7the above copyright notice appear in all copies and that both that
8copyright notice and this permission notice appear in supporting
9documentation.
10
11The above copyright notice and this permission notice shall be included in
12all copies or substantial portions of the Software.
13
14THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
17OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
18AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
19CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20
21Except as contained in this notice, the name of The Open Group shall not be
22used in advertising or otherwise to promote the sale, use or other dealings
23in this Software without prior written authorization from The Open Group.
24
25*/
26
27#ifdef HAVE_CONFIG_H
28#include <config.h>
29#endif
30#include <X11/Intrinsic.h>
31#include <X11/Xmu/Converters.h>
32#include <X11/Xmu/CharSet.h>
33
34#define done(address, type) \
35{ (*toVal).size = sizeof(type); (*toVal).addr = (XPointer) address; }
36
37/*
38 * Initialization
39 */
40static struct _namepair {
41    XrmQuark quark;
42    _Xconst char *name;
43    XtGravity gravity;
44} names[] = {
45    { NULLQUARK, XtEForget, ForgetGravity },
46    { NULLQUARK, XtENorthWest, NorthWestGravity },
47    { NULLQUARK, XtENorth, NorthGravity },
48    { NULLQUARK, XtENorthEast, NorthEastGravity },
49    { NULLQUARK, XtEWest, WestGravity },
50    { NULLQUARK, XtECenter, CenterGravity },
51    { NULLQUARK, XtEEast, EastGravity },
52    { NULLQUARK, XtESouthWest, SouthWestGravity },
53    { NULLQUARK, XtESouth, SouthGravity },
54    { NULLQUARK, XtESouthEast, SouthEastGravity },
55    { NULLQUARK, XtEStatic, StaticGravity },
56    { NULLQUARK, XtEUnmap, UnmapGravity },
57    { NULLQUARK, XtEleft, WestGravity },
58    { NULLQUARK, XtEtop, NorthGravity },
59    { NULLQUARK, XtEright, EastGravity },
60    { NULLQUARK, XtEbottom, SouthGravity },
61    { NULLQUARK, NULL, ForgetGravity }
62};
63
64/*
65 * This function is deprecated as of the addition of
66 * XtCvtStringToGravity in R6
67 */
68void
69XmuCvtStringToGravity(XrmValuePtr args, Cardinal *num_args,
70		      XrmValuePtr fromVal, XrmValuePtr toVal)
71{
72  static Boolean haveQuarks = False;
73  char name[10];
74    XrmQuark q;
75    struct _namepair *np;
76
77    if (*num_args != 0)
78        XtWarningMsg("wrongParameters","cvtStringToGravity","XtToolkitError",
79                  "String to Gravity conversion needs no extra arguments",
80		 (String *)NULL, (Cardinal *)NULL);
81
82  if (!haveQuarks)
83    {
84      for (np = names; np->name; np++)
85	np->quark = XrmPermStringToQuark(np->name);
86      haveQuarks = True;
87    }
88
89  XmuNCopyISOLatin1Lowered(name, (char *)fromVal->addr, sizeof(name));
90  q = XrmStringToQuark(name);
91
92  for (np = names; np->name; np++)
93    {
94      if (np->quark == q)
95	{
96	  done(&np->gravity, XtGravity);
97		return;
98	    }
99	}
100
101  XtStringConversionWarning((char *)fromVal->addr, XtRGravity);
102}
103
104/*ARGSUSED*/
105Boolean
106XmuCvtGravityToString(Display *dpy, XrmValue *args, Cardinal *num_args,
107		      XrmValue *fromVal, XrmValue *toVal, XtPointer *data)
108{
109  static const char *buffer;
110  Cardinal size;
111  struct _namepair *np;
112  XtGravity gravity;
113
114  gravity = *(XtGravity *)fromVal->addr;
115  buffer = NULL;
116  for (np = names; np->name; np++)
117    if (np->gravity == gravity)
118      {
119	buffer = np->name;
120	break;
121      }
122
123  if (!buffer)
124    {
125      XtAppWarning(XtDisplayToApplicationContext(dpy),
126		   "Cannot convert Gravity to String");
127      toVal->addr = NULL;
128      toVal->size = 0;
129
130      return (False);
131    }
132
133  size = strlen(buffer) + 1;
134  if (toVal->addr != NULL)
135    {
136      if (toVal->size <= size)
137	{
138	  toVal->size = size;
139	  return (False);
140	}
141      strcpy((char *)toVal->addr, buffer);
142    }
143  else
144    toVal->addr = (XPointer)buffer;
145  toVal->size = size;
146
147  return (True);
148}
149