| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: utils.cpp |
| 3 | // Purpose: |
| 4 | // Author: Robert Roebling |
| 5 | // Id: $Id$ |
| 6 | // Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem |
| 7 | // Licence: wxWindows licence |
| 8 | ///////////////////////////////////////////////////////////////////////////// |
| 9 | |
| 10 | |
| 11 | //#ifdef __GNUG__ |
| 12 | //#pragma implementation "utils.h" |
| 13 | //#endif |
| 14 | |
| 15 | #include "wx/utils.h" |
| 16 | #include "wx/string.h" |
| 17 | #include "wx/list.h" |
| 18 | |
| 19 | #include <ctype.h> |
| 20 | #include <string.h> |
| 21 | #include <unistd.h> |
| 22 | #ifdef __SVR4__ |
| 23 | #include <sys/systeminfo.h> |
| 24 | #endif |
| 25 | |
| 26 | #include "gdk/gdkx.h" // GDK_DISPLAY |
| 27 | #include "gdk/gdkprivate.h" // gdk_progclass |
| 28 | |
| 29 | #include <X11/Xlib.h> |
| 30 | #include <X11/Xutil.h> |
| 31 | #include <X11/Xresource.h> |
| 32 | |
| 33 | #include "wx/log.h" |
| 34 | |
| 35 | //----------------------------------------------------------------------------- |
| 36 | // constants |
| 37 | //----------------------------------------------------------------------------- |
| 38 | |
| 39 | // Yuck this is really BOTH site and platform dependent |
| 40 | // so we should use some other strategy! |
| 41 | #ifdef __SUN__ |
| 42 | #define DEFAULT_XRESOURCE_DIR _T("/usr/openwin/lib/app-defaults") |
| 43 | #else |
| 44 | #define DEFAULT_XRESOURCE_DIR _T("/usr/lib/X11/app-defaults") |
| 45 | #endif |
| 46 | |
| 47 | //----------------------------------------------------------------------------- |
| 48 | // glabal data (data.cpp) |
| 49 | //----------------------------------------------------------------------------- |
| 50 | |
| 51 | extern wxResourceCache *wxTheResourceCache; |
| 52 | extern XrmDatabase wxResourceDatabase; |
| 53 | |
| 54 | //----------------------------------------------------------------------------- |
| 55 | // utility functions for get/write resources |
| 56 | //----------------------------------------------------------------------------- |
| 57 | |
| 58 | static wxChar *GetResourcePath(wxChar *buf, wxChar *name, bool create) |
| 59 | { |
| 60 | if (create && FileExists(name)) |
| 61 | { |
| 62 | wxStrcpy(buf, name); |
| 63 | return buf; // Exists so ... |
| 64 | } |
| 65 | if (*name == _T('/')) |
| 66 | wxStrcpy(buf, name); |
| 67 | else |
| 68 | { |
| 69 | // Put in standard place for resource files if not absolute |
| 70 | wxStrcpy(buf, DEFAULT_XRESOURCE_DIR); |
| 71 | wxStrcat(buf, _T("/")); |
| 72 | wxStrcat(buf, FileNameFromPath(name)); |
| 73 | } |
| 74 | if (create) |
| 75 | { |
| 76 | // Touch the file to create it |
| 77 | FILE *fd = fopen(wxConv_file.cWX2MB(buf), "w"); |
| 78 | if (fd) fclose(fd); |
| 79 | } |
| 80 | return buf; |
| 81 | } |
| 82 | |
| 83 | // Read $HOME for what it says is home, if not |
| 84 | // read $USER or $LOGNAME for user name else determine |
| 85 | // the Real User, then determine the Real home dir. |
| 86 | static wxChar *GetIniFile(wxChar *dest, const wxChar *filename) |
| 87 | { |
| 88 | const wxChar *home = (const wxChar *) NULL; |
| 89 | if (filename && wxIsAbsolutePath(filename)) |
| 90 | { |
| 91 | wxStrcpy(dest, filename); |
| 92 | } |
| 93 | else |
| 94 | { |
| 95 | if ((home = wxGetUserHome(wxString())) != NULL) |
| 96 | { |
| 97 | wxStrcpy(dest, home); |
| 98 | if (dest[wxStrlen(dest) - 1] != _T('/')) wxStrcat(dest, _T("/")); |
| 99 | if (filename == NULL) |
| 100 | { |
| 101 | if ((filename = wxGetenv(_T("XENVIRONMENT"))) == NULL) filename = _T(".Xdefaults"); |
| 102 | } |
| 103 | else |
| 104 | if (*filename != _T('.')) wxStrcat(dest, _T(".")); |
| 105 | wxStrcat(dest, filename); |
| 106 | } |
| 107 | else |
| 108 | { |
| 109 | dest[0] = _T('\0'); |
| 110 | } |
| 111 | } |
| 112 | return dest; |
| 113 | } |
| 114 | |
| 115 | static void wxXMergeDatabases() |
| 116 | { |
| 117 | XrmDatabase homeDB, serverDB, applicationDB; |
| 118 | wxChar filenamebuf[1024]; |
| 119 | |
| 120 | wxChar *filename = &filenamebuf[0]; |
| 121 | wxChar *environment; |
| 122 | char *classname = gdk_progclass; // Robert Roebling ?? |
| 123 | char name[256]; |
| 124 | (void)strcpy(name, "/usr/lib/X11/app-defaults/"); |
| 125 | (void)strcat(name, classname ? classname : "wxWindows"); |
| 126 | |
| 127 | // Get application defaults file, if any |
| 128 | if ((applicationDB = XrmGetFileDatabase(name))) |
| 129 | (void)XrmMergeDatabases(applicationDB, &wxResourceDatabase); |
| 130 | |
| 131 | // Merge server defaults, created by xrdb, loaded as a property of the root |
| 132 | // window when the server initializes and loaded into the display |
| 133 | // structure on XOpenDisplay; |
| 134 | // if not defined, use .Xdefaults |
| 135 | if (XResourceManagerString(GDK_DISPLAY()) != NULL) |
| 136 | { |
| 137 | serverDB = XrmGetStringDatabase(XResourceManagerString(GDK_DISPLAY())); |
| 138 | } |
| 139 | else |
| 140 | { |
| 141 | (void)GetIniFile(filename, (wxChar *) NULL); |
| 142 | serverDB = XrmGetFileDatabase(wxConv_file.cWX2MB(filename)); |
| 143 | } |
| 144 | if (serverDB) |
| 145 | XrmMergeDatabases(serverDB, &wxResourceDatabase); |
| 146 | |
| 147 | // Open XENVIRONMENT file, or if not defined, the .Xdefaults, |
| 148 | // and merge into existing database |
| 149 | |
| 150 | if ((environment = wxGetenv(_T("XENVIRONMENT"))) == NULL) |
| 151 | { |
| 152 | size_t len; |
| 153 | #if wxUSE_UNICODE |
| 154 | char hostbuf[1024]; |
| 155 | #endif |
| 156 | environment = GetIniFile(filename, (const wxChar *) NULL); |
| 157 | len = wxStrlen(environment); |
| 158 | #if !defined(SVR4) || defined(__sgi) |
| 159 | #if wxUSE_UNICODE |
| 160 | (void)gethostname(hostbuf, 1024 - len); |
| 161 | #else |
| 162 | (void)gethostname(environment + len, 1024 - len); |
| 163 | #endif |
| 164 | #else |
| 165 | #if wxUSE_UNICODE |
| 166 | (void)sysinfo(SI_HOSTNAME, hostbuf, 1024 - len); |
| 167 | #else |
| 168 | (void)sysinfo(SI_HOSTNAME, environment + len, 1024 - len); |
| 169 | #endif |
| 170 | #endif |
| 171 | #if wxUSE_UNICODE |
| 172 | wxStrcat(environment, wxConv_libc.cMB2WX(hostbuf)); |
| 173 | #endif |
| 174 | } |
| 175 | if ((homeDB = XrmGetFileDatabase(wxConv_file.cWX2MB(environment)))) |
| 176 | XrmMergeDatabases(homeDB, &wxResourceDatabase); |
| 177 | } |
| 178 | |
| 179 | //----------------------------------------------------------------------------- |
| 180 | // called on application exit |
| 181 | //----------------------------------------------------------------------------- |
| 182 | |
| 183 | void wxFlushResources() |
| 184 | { |
| 185 | wxChar nameBuffer[512]; |
| 186 | |
| 187 | wxNode *node = wxTheResourceCache->First(); |
| 188 | while (node) { |
| 189 | wxString str = node->GetKeyString(); |
| 190 | wxChar *file = WXSTRINGCAST str; |
| 191 | // If file doesn't exist, create it first. |
| 192 | (void)GetResourcePath(nameBuffer, file, TRUE); |
| 193 | |
| 194 | XrmDatabase database = (XrmDatabase)node->Data(); |
| 195 | XrmPutFileDatabase(database, wxConv_file.cWX2MB(nameBuffer)); |
| 196 | XrmDestroyDatabase(database); |
| 197 | wxNode *next = node->Next(); |
| 198 | // delete node; |
| 199 | node = next; |
| 200 | } |
| 201 | } |
| 202 | |
| 203 | void wxDeleteResources(const wxChar *file) |
| 204 | { |
| 205 | wxLogTrace(wxTraceResAlloc, _T("Delete: Number = %d"), wxTheResourceCache->Number()); |
| 206 | wxChar buffer[500]; |
| 207 | (void)GetIniFile(buffer, file); |
| 208 | |
| 209 | wxNode *node = wxTheResourceCache->Find(buffer); |
| 210 | if (node) { |
| 211 | XrmDatabase database = (XrmDatabase)node->Data(); |
| 212 | XrmDestroyDatabase(database); |
| 213 | // delete node; |
| 214 | } |
| 215 | } |
| 216 | |
| 217 | //----------------------------------------------------------------------------- |
| 218 | // resource functions |
| 219 | //----------------------------------------------------------------------------- |
| 220 | |
| 221 | bool wxWriteResource(const wxString& section, const wxString& entry, const wxString& value, const wxString& file ) |
| 222 | { |
| 223 | wxChar buffer[500]; |
| 224 | |
| 225 | if (!entry) return FALSE; |
| 226 | |
| 227 | (void)GetIniFile(buffer, file); |
| 228 | |
| 229 | XrmDatabase database; |
| 230 | wxNode *node = wxTheResourceCache->Find(buffer); |
| 231 | if (node) |
| 232 | database = (XrmDatabase)node->Data(); |
| 233 | else { |
| 234 | database = XrmGetFileDatabase(wxConv_file.cWX2MB(buffer)); |
| 235 | wxLogTrace(wxTraceResAlloc, _T("Write: Number = %d"), wxTheResourceCache->Number()); |
| 236 | wxTheResourceCache->Append(buffer, (wxObject *)database); |
| 237 | } |
| 238 | char resName[300]; |
| 239 | strcpy(resName, !section.IsNull() ? MBSTRINGCAST section.mb_str() : "wxWindows"); |
| 240 | strcat(resName, "."); |
| 241 | strcat(resName, entry.mb_str()); |
| 242 | XrmPutStringResource(&database, resName, value.mb_str()); |
| 243 | return TRUE; |
| 244 | }; |
| 245 | |
| 246 | bool wxWriteResource(const wxString& section, const wxString& entry, float value, const wxString& file ) |
| 247 | { |
| 248 | char buf[50]; |
| 249 | sprintf(buf, "%.4f", value); |
| 250 | return wxWriteResource(section, entry, buf, file); |
| 251 | }; |
| 252 | |
| 253 | bool wxWriteResource(const wxString& section, const wxString& entry, long value, const wxString& file ) |
| 254 | { |
| 255 | char buf[50]; |
| 256 | sprintf(buf, "%ld", value); |
| 257 | return wxWriteResource(section, entry, buf, file); |
| 258 | }; |
| 259 | |
| 260 | bool wxWriteResource(const wxString& section, const wxString& entry, int value, const wxString& file ) |
| 261 | { |
| 262 | char buf[50]; |
| 263 | sprintf(buf, "%d", value); |
| 264 | return wxWriteResource(section, entry, buf, file); |
| 265 | }; |
| 266 | |
| 267 | bool wxGetResource(const wxString& section, const wxString& entry, char **value, const wxString& file ) |
| 268 | { |
| 269 | if (!wxResourceDatabase) |
| 270 | wxXMergeDatabases(); |
| 271 | |
| 272 | XrmDatabase database; |
| 273 | if (!file.IsEmpty()) |
| 274 | { |
| 275 | wxChar buffer[500]; |
| 276 | // Is this right? Trying to get it to look in the user's |
| 277 | // home directory instead of current directory -- JACS |
| 278 | (void)GetIniFile(buffer, file); |
| 279 | |
| 280 | wxNode *node = (wxNode*) NULL; /* suppress egcs warning */ |
| 281 | node = wxTheResourceCache->Find(buffer); |
| 282 | if (node) |
| 283 | { |
| 284 | database = (XrmDatabase)node->Data(); |
| 285 | } |
| 286 | else |
| 287 | { |
| 288 | database = XrmGetFileDatabase(wxConv_file.cWX2MB(buffer)); |
| 289 | wxLogTrace(wxTraceResAlloc, _T("Get: Number = %d"), wxTheResourceCache->Number()); |
| 290 | wxTheResourceCache->Append(buffer, (wxObject *)database); |
| 291 | } |
| 292 | } else |
| 293 | database = wxResourceDatabase; |
| 294 | |
| 295 | XrmValue xvalue; |
| 296 | char *str_type[20]; |
| 297 | char buf[150]; |
| 298 | strcpy(buf, section.mb_str()); |
| 299 | strcat(buf, "."); |
| 300 | strcat(buf, entry.mb_str()); |
| 301 | |
| 302 | bool success = XrmGetResource(database, buf, "*", str_type, &xvalue); |
| 303 | // Try different combinations of upper/lower case, just in case... |
| 304 | if (!success) |
| 305 | { |
| 306 | buf[0] = (isupper(buf[0]) ? tolower(buf[0]) : toupper(buf[0])); |
| 307 | success = XrmGetResource(database, buf, "*", str_type, &xvalue); |
| 308 | } |
| 309 | if (success) |
| 310 | { |
| 311 | if (*value) |
| 312 | delete[] *value; |
| 313 | *value = new char[xvalue.size + 1]; |
| 314 | strncpy(*value, xvalue.addr, (int)xvalue.size); |
| 315 | return TRUE; |
| 316 | } |
| 317 | return FALSE; |
| 318 | }; |
| 319 | |
| 320 | bool wxGetResource(const wxString& section, const wxString& entry, float *value, const wxString& file ) |
| 321 | { |
| 322 | char *s = (char *) NULL; |
| 323 | bool succ = wxGetResource(section, entry, &s, file); |
| 324 | if (succ) |
| 325 | { |
| 326 | *value = (float)strtod(s, (char **) NULL); |
| 327 | delete[]s; |
| 328 | return TRUE; |
| 329 | } else |
| 330 | return FALSE; |
| 331 | }; |
| 332 | |
| 333 | bool wxGetResource(const wxString& section, const wxString& entry, long *value, const wxString& file ) |
| 334 | { |
| 335 | char *s = (char *) NULL; |
| 336 | bool succ = wxGetResource(section, entry, &s, file); |
| 337 | if (succ) |
| 338 | { |
| 339 | *value = strtol(s, (char **) NULL, 10); |
| 340 | delete[]s; |
| 341 | return TRUE; |
| 342 | } else |
| 343 | return FALSE; |
| 344 | }; |
| 345 | |
| 346 | bool wxGetResource(const wxString& section, const wxString& entry, int *value, const wxString& file ) |
| 347 | { |
| 348 | char *s = (char *) NULL; |
| 349 | bool succ = wxGetResource(section, entry, &s, file); |
| 350 | if (succ) |
| 351 | { |
| 352 | // Handle True, False here |
| 353 | // True, Yes, Enables, Set or Activated |
| 354 | if (*s == 'T' || *s == 'Y' || *s == 'E' || *s == 'S' || *s == 'A') |
| 355 | *value = TRUE; |
| 356 | // False, No, Disabled, Reset, Cleared, Deactivated |
| 357 | else if (*s == 'F' || *s == 'N' || *s == 'D' || *s == 'R' || *s == 'C') |
| 358 | *value = FALSE; |
| 359 | // Handle as Integer |
| 360 | else |
| 361 | *value = (int)strtol(s, (char **) NULL, 10); |
| 362 | delete[]s; |
| 363 | return TRUE; |
| 364 | } else |
| 365 | return FALSE; |
| 366 | }; |
| 367 | |