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[wxWidgets.git] / src / qt / utilsres.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: utils.cpp
3 // Purpose:
4 // Author: Robert Roebling
5 // Created: 01/02/97
6 // Id:
7 // Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
8 // Licence: wxWindows licence
9 /////////////////////////////////////////////////////////////////////////////
10
11
12 //#ifdef __GNUG__
13 //#pragma implementation "utils.h"
14 //#endif
15
16 #include "wx/utils.h"
17 #include "wx/string.h"
18 #include "wx/list.h"
19
20 #include <ctype.h>
21 #include <string.h>
22 #include <unistd.h>
23 #ifdef __SVR4__
24 #include <sys/systeminfo.h>
25 #endif
26
27 #include <X11/Xlib.h>
28 #include <X11/Xutil.h>
29 #include <X11/Xresource.h>
30
31
32 //-----------------------------------------------------------------------------
33 // constants
34 //-----------------------------------------------------------------------------
35
36 // Yuck this is really BOTH site and platform dependent
37 // so we should use some other strategy!
38 #ifdef __SUN__
39 #define DEFAULT_XRESOURCE_DIR "/usr/openwin/lib/app-defaults"
40 #else
41 #define DEFAULT_XRESOURCE_DIR "/usr/lib/X11/app-defaults"
42 #endif
43
44 //-----------------------------------------------------------------------------
45 // glabal data (data.cpp)
46 //-----------------------------------------------------------------------------
47
48 extern wxList wxResourceCache;
49 extern XrmDatabase wxResourceDatabase;
50
51 //-----------------------------------------------------------------------------
52 // utility functions for get/write resources
53 //-----------------------------------------------------------------------------
54
55 static char *GetResourcePath(char *buf, char *name, bool create)
56 {
57 if (create && FileExists(name)) {
58 strcpy(buf, name);
59 return buf; // Exists so ...
60 }
61 if (*name == '/')
62 strcpy(buf, name);
63 else {
64 // Put in standard place for resource files if not absolute
65 strcpy(buf, DEFAULT_XRESOURCE_DIR);
66 strcat(buf, "/");
67 strcat(buf, FileNameFromPath(name));
68 }
69 if (create) {
70 // Touch the file to create it
71 FILE *fd = fopen(buf, "w");
72 if (fd) fclose(fd);
73 }
74 return buf;
75 }
76
77 // Read $HOME for what it says is home, if not
78 // read $USER or $LOGNAME for user name else determine
79 // the Real User, then determine the Real home dir.
80 static char *GetIniFile(char *dest, const char *filename)
81 {
82 char *home = NULL;
83 if (filename && wxIsAbsolutePath(filename))
84 {
85 strcpy(dest, filename);
86 }
87 else
88 {
89 if ((home = wxGetUserHome(wxString())) != NULL)
90 {
91 strcpy(dest, home);
92 if (dest[strlen(dest) - 1] != '/') strcat(dest, "/");
93 if (filename == NULL)
94 {
95 if ((filename = getenv("XENVIRONMENT")) == NULL) filename = ".Xdefaults";
96 }
97 else
98 if (*filename != '.') strcat(dest, ".");
99 strcat(dest, filename);
100 }
101 else
102 {
103 dest[0] = '\0';
104 }
105 }
106 return dest;
107 }
108
109 static void wxXMergeDatabases(void)
110 {
111 XrmDatabase homeDB, serverDB, applicationDB;
112 char filenamebuf[1024];
113
114 char *filename = &filenamebuf[0];
115 char *environment;
116 // char *classname = gdk_progclass; // Robert Roebling ??
117 printf( "Fixme.\n");
118 char name[256];
119 (void)strcpy(name, "/usr/lib/X11/app-defaults/");
120 (void)strcat(name, classname ? classname : "wxWindows");
121
122 // Get application defaults file, if any
123 if ((applicationDB = XrmGetFileDatabase(name)))
124 (void)XrmMergeDatabases(applicationDB, &wxResourceDatabase);
125
126 // Merge server defaults, created by xrdb, loaded as a property of the root
127 // window when the server initializes and loaded into the display
128 // structure on XOpenDisplay;
129 // if not defined, use .Xdefaults
130 printf( "Fixme.\n");
131 /* if (XResourceManagerString(GDK_DISPLAY()) != NULL) {
132 serverDB = XrmGetStringDatabase(XResourceManagerString(GDK_DISPLAY()));
133 } else {
134 (void)GetIniFile(filename, NULL);
135 serverDB = XrmGetFileDatabase(filename);
136 }
137 */
138 if (serverDB)
139 XrmMergeDatabases(serverDB, &wxResourceDatabase);
140
141 // Open XENVIRONMENT file, or if not defined, the .Xdefaults,
142 // and merge into existing database
143
144 if ((environment = getenv("XENVIRONMENT")) == NULL) {
145 size_t len;
146 environment = GetIniFile(filename, NULL);
147 len = strlen(environment);
148 #if !defined(SVR4) || defined(__sgi)
149 (void)gethostname(environment + len, 1024 - len);
150 #else
151 (void)sysinfo(SI_HOSTNAME, environment + len, 1024 - len);
152 #endif
153 }
154 if ((homeDB = XrmGetFileDatabase(environment)))
155 XrmMergeDatabases(homeDB, &wxResourceDatabase);
156 }
157
158 //-----------------------------------------------------------------------------
159 // called on application exit
160 //-----------------------------------------------------------------------------
161
162 void wxFlushResources(void)
163 {
164 char nameBuffer[512];
165
166 wxNode *node = wxResourceCache.First();
167 while (node) {
168 char *file = node->key.string;
169 // If file doesn't exist, create it first.
170 (void)GetResourcePath(nameBuffer, file, TRUE);
171
172 XrmDatabase database = (XrmDatabase)node->Data();
173 XrmPutFileDatabase(database, nameBuffer);
174 XrmDestroyDatabase(database);
175 wxNode *next = node->Next();
176 delete node;
177 node = next;
178 }
179 }
180
181 void wxDeleteResources(const char *file)
182 {
183 char buffer[500];
184 (void)GetIniFile(buffer, file);
185
186 wxNode *node = wxResourceCache.Find(buffer);
187 if (node) {
188 XrmDatabase database = (XrmDatabase)node->Data();
189 XrmDestroyDatabase(database);
190 delete node;
191 }
192 }
193
194 //-----------------------------------------------------------------------------
195 // resource functions
196 //-----------------------------------------------------------------------------
197
198 bool wxWriteResource(const wxString& section, const wxString& entry, const wxString& value, const wxString& file )
199 {
200 char buffer[500];
201
202 if (!entry) return FALSE;
203
204 (void)GetIniFile(buffer, file);
205
206 XrmDatabase database;
207 wxNode *node = wxResourceCache.Find(buffer);
208 if (node)
209 database = (XrmDatabase)node->Data();
210 else {
211 database = XrmGetFileDatabase(buffer);
212 wxResourceCache.Append(buffer, (wxObject *)database);
213 }
214 char resName[300];
215 strcpy(resName, !section.IsNull() ? WXSTRINGCAST section : "wxWindows");
216 strcat(resName, ".");
217 strcat(resName, entry);
218 XrmPutStringResource(&database, resName, value);
219 return TRUE;
220 };
221
222 bool wxWriteResource(const wxString& section, const wxString& entry, float value, const wxString& file )
223 {
224 char buf[50];
225 sprintf(buf, "%.4f", value);
226 return wxWriteResource(section, entry, buf, file);
227 };
228
229 bool wxWriteResource(const wxString& section, const wxString& entry, long value, const wxString& file )
230 {
231 char buf[50];
232 sprintf(buf, "%ld", value);
233 return wxWriteResource(section, entry, buf, file);
234 };
235
236 bool wxWriteResource(const wxString& section, const wxString& entry, int value, const wxString& file )
237 {
238 char buf[50];
239 sprintf(buf, "%d", value);
240 return wxWriteResource(section, entry, buf, file);
241 };
242
243 bool wxGetResource(const wxString& section, const wxString& entry, char **value, const wxString& file )
244 {
245 if (!wxResourceDatabase)
246 wxXMergeDatabases();
247
248 XrmDatabase database;
249 if (file) {
250 char buffer[500];
251 // Is this right? Trying to get it to look in the user's
252 // home directory instead of current directory -- JACS
253 (void)GetIniFile(buffer, file);
254
255 wxNode *node = wxResourceCache.Find(buffer);
256 if (node)
257 database = (XrmDatabase)node->Data();
258 else {
259 database = XrmGetFileDatabase(buffer);
260 wxResourceCache.Append(buffer, (wxObject *)database);
261 }
262 } else
263 database = wxResourceDatabase;
264
265 XrmValue xvalue;
266 char *str_type[20];
267 char buf[150];
268 strcpy(buf, section);
269 strcat(buf, ".");
270 strcat(buf, entry);
271
272 bool success = XrmGetResource(database, buf, "*", str_type, &xvalue);
273 // Try different combinations of upper/lower case, just in case...
274 if (!success) {
275 buf[0] = (isupper(buf[0]) ? tolower(buf[0]) : toupper(buf[0]));
276 success = XrmGetResource(database, buf, "*", str_type, &xvalue);
277 }
278 if (success) {
279 if (*value)
280 delete[] *value;
281 *value = new char[xvalue.size + 1];
282 strncpy(*value, xvalue.addr, (int)xvalue.size);
283 return TRUE;
284 }
285 return FALSE;
286 };
287
288 bool wxGetResource(const wxString& section, const wxString& entry, float *value, const wxString& file )
289 {
290 char *s = NULL;
291 bool succ = wxGetResource(section, entry, &s, file);
292 if (succ) {
293 *value = (float)strtod(s, NULL);
294 delete[]s;
295 return TRUE;
296 } else
297 return FALSE;
298 };
299
300 bool wxGetResource(const wxString& section, const wxString& entry, long *value, const wxString& file )
301 {
302 char *s = NULL;
303 bool succ = wxGetResource(section, entry, &s, file);
304 if (succ) {
305 *value = strtol(s, NULL, 10);
306 delete[]s;
307 return TRUE;
308 } else
309 return FALSE;
310 };
311
312 bool wxGetResource(const wxString& section, const wxString& entry, int *value, const wxString& file )
313 {
314 char *s = NULL;
315 bool succ = wxGetResource(section, entry, &s, file);
316 if (succ) {
317 // Handle True, False here
318 // True, Yes, Enables, Set or Activated
319 if (*s == 'T' || *s == 'Y' || *s == 'E' || *s == 'S' || *s == 'A')
320 *value = TRUE;
321 // False, No, Disabled, Reset, Cleared, Deactivated
322 else if (*s == 'F' || *s == 'N' || *s == 'D' || *s == 'R' || *s == 'C')
323 *value = FALSE;
324 // Handle as Integer
325 else
326 *value = (int)strtol(s, NULL, 10);
327 delete[]s;
328 return TRUE;
329 } else
330 return FALSE;
331 };
332