src/mac/utils.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        utils.cpp
   3 // Purpose:     Various utilities
   4 // Author:      AUTHOR
   5 // Modified by:
   6 // Created:     ??/??/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) AUTHOR
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 // Note: this is done in utilscmn.cpp now.
  14 // #pragma implementation "utils.h"
  15 #endif
  16
  17 #include "wx/setup.h"
  18 #include "wx/utils.h"
  19 #include "wx/app.h"
  20 #include "wx/mac/uma.h"
  21
  22 #include <ctype.h>
  23
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <string.h>
  27 #include <stdarg.h>
  28
  29 #include "MoreFiles.h"
  30 #include "MoreFilesExtras.h"
  31
  32 #ifndef __DARWIN__
  33 #include <Threads.h>
  34 #include <Sound.h>
  35 #endif
  36
  37 #ifndef __DARWIN__
  38 // defined in unix/utilsunx.cpp for Mac OS X
  39
  40 // get full hostname (with domain name if possible)
  41 bool wxGetFullHostName(wxChar *buf, int maxSize)
  42 {
  43     return wxGetHostName(buf, maxSize);
  44 }
  45
  46 // Get hostname only (without domain name)
  47 bool wxGetHostName(char *buf, int maxSize)
  48 {
  49         // Gets Chooser name of user by examining a System resource.
  50
  51         const short kComputerNameID = -16413;
  52
  53         short oldResFile = CurResFile() ;
  54         UseResFile(0);
  55         StringHandle chooserName = (StringHandle)::GetString(kComputerNameID);
  56         UseResFile(oldResFile);
  57
  58         if (chooserName && *chooserName)
  59         {
  60           int length = (*chooserName)[0] ;
  61           if ( length + 1 > maxSize )
  62           {
  63             length = maxSize - 1 ;
  64           }
  65           strncpy( buf , (char*) &(*chooserName)[1] , length ) ;
  66           buf[length] = 0 ;
  67         }
  68         else
  69                 buf[0] = 0 ;
  70
  71   return TRUE;
  72 }
  73
  74 // Get user ID e.g. jacs
  75 bool wxGetUserId(char *buf, int maxSize)
  76 {
  77   return wxGetUserName( buf , maxSize ) ;
  78 }
  79
  80 const wxChar* wxGetHomeDir(wxString *pstr)
  81 {
  82         *pstr = wxMacFindFolder(  (short) kOnSystemDisk, kPreferencesFolderType, kDontCreateFolder ) ;
  83         return pstr->c_str() ;
  84 }
  85
  86 // Get user name e.g. AUTHOR
  87 bool wxGetUserName(char *buf, int maxSize)
  88 {
  89         // Gets Chooser name of user by examining a System resource.
  90
  91         const short kChooserNameID = -16096;
  92
  93         short oldResFile = CurResFile() ;
  94         UseResFile(0);
  95         StringHandle chooserName = (StringHandle)::GetString(kChooserNameID);
  96         UseResFile(oldResFile);
  97
  98         if (chooserName && *chooserName)
  99         {
 100           int length = (*chooserName)[0] ;
 101           if ( length + 1 > maxSize )
 102           {
 103             length = maxSize - 1 ;
 104           }
 105           strncpy( buf , (char*) &(*chooserName)[1] , length ) ;
 106           buf[length] = 0 ;
 107         }
 108         else
 109                 buf[0] = 0 ;
 110
 111   return TRUE;
 112 }
 113
 114 int wxKill(long pid, wxSignal sig , wxKillError *rc )
 115 {
 116     // TODO
 117     return 0;
 118 }
 119
 120 WXDLLEXPORT bool wxGetEnv(const wxString& var, wxString *value)
 121 {
 122   // TODO : under classic there is no environement support, under X yes
 123   return false ;
 124 }
 125
 126 // set the env var name to the given value, return TRUE on success
 127 WXDLLEXPORT bool wxSetEnv(const wxString& var, const wxChar *value)
 128 {
 129   // TODO : under classic there is no environement support, under X yes
 130   return false ;
 131 }
 132
 133 //
 134 // Execute a program in an Interactive Shell
 135 //
 136 bool wxShell(const wxString& command)
 137 {
 138     // TODO
 139     return FALSE;
 140 }
 141
 142 // Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)
 143 long wxGetFreeMemory()
 144 {
 145     return FreeMem() ;
 146 }
 147
 148 void wxUsleep(unsigned long milliseconds)
 149 {
 150     clock_t start = clock() ;
 151     do
 152     {
 153         YieldToAnyThread() ;
 154     } while( clock() - start < milliseconds / CLOCKS_PER_SEC ) ;
 155 }
 156
 157 void wxSleep(int nSecs)
 158 {
 159     wxUsleep(1000*nSecs);
 160 }
 161
 162 // Consume all events until no more left
 163 void wxFlushEvents()
 164 {
 165 }
 166
 167 // Output a debug message, in a system dependent fashion.
 168 void wxDebugMsg(const char *fmt ...)
 169 {
 170   va_list ap;
 171   static char buffer[512];
 172
 173   if (!wxTheApp->GetWantDebugOutput())
 174     return ;
 175
 176   va_start(ap, fmt);
 177
 178   vsprintf(buffer,fmt,ap) ;
 179   strcat(buffer,";g") ;
 180   c2pstr(buffer) ;
 181   DebugStr((unsigned char*) buffer) ;
 182
 183   va_end(ap);
 184 }
 185
 186 // Non-fatal error: pop up message box and (possibly) continue
 187 void wxError(const wxString& msg, const wxString& title)
 188 {
 189   wxSprintf(wxBuffer, wxT("%s\nContinue?"), WXSTRINGCAST msg);
 190   if (wxMessageBox(wxBuffer, title, wxYES_NO) == wxID_NO )
 191     wxExit();
 192 }
 193
 194 // Fatal error: pop up message box and abort
 195 void wxFatalError(const wxString& msg, const wxString& title)
 196 {
 197   wxSprintf(wxBuffer, wxT("%s: %s"), WXSTRINGCAST title, WXSTRINGCAST msg);
 198   wxMessageBox(wxBuffer);
 199   wxExit();
 200 }
 201 #endif // !__DARWIN__
 202
 203 // Emit a beeeeeep
 204 void wxBell()
 205 {
 206     SysBeep(30);
 207 }
 208
 209 int wxGetOsVersion(int *majorVsn, int *minorVsn)
 210 {
 211     long theSystem ;
 212
 213     // are there x-platform conventions ?
 214
 215     Gestalt(gestaltSystemVersion, &theSystem) ;
 216     if (minorVsn != NULL) {
 217         *minorVsn = (theSystem & 0xFF ) ;
 218     }
 219     if (majorVsn != NULL) {
 220         *majorVsn = (theSystem >> 8 ) ;
 221     }
 222 #ifdef __DARWIN__
 223     return wxMAC_DARWIN;
 224 #else
 225     return wxMAC;
 226 #endif
 227 }
 228
 229 // Reading and writing resources (eg WIN.INI, .Xdefaults)
 230 #if wxUSE_RESOURCES
 231 bool wxWriteResource(const wxString& section, const wxString& entry, const wxString& value, const wxString& file)
 232 {
 233     // TODO
 234     return FALSE;
 235 }
 236
 237 bool wxWriteResource(const wxString& section, const wxString& entry, float value, const wxString& file)
 238 {
 239   char buf[50];
 240   sprintf(buf, "%.4f", value);
 241   return wxWriteResource(section, entry, buf, file);
 242 }
 243
 244 bool wxWriteResource(const wxString& section, const wxString& entry, long value, const wxString& file)
 245 {
 246   char buf[50];
 247   sprintf(buf, "%ld", value);
 248   return wxWriteResource(section, entry, buf, file);
 249 }
 250
 251 bool wxWriteResource(const wxString& section, const wxString& entry, int value, const wxString& file)
 252 {
 253   char buf[50];
 254   sprintf(buf, "%d", value);
 255   return wxWriteResource(section, entry, buf, file);
 256 }
 257
 258 bool wxGetResource(const wxString& section, const wxString& entry, char **value, const wxString& file)
 259 {
 260     // TODO
 261     return FALSE;
 262 }
 263
 264 bool wxGetResource(const wxString& section, const wxString& entry, float *value, const wxString& file)
 265 {
 266   char *s = NULL;
 267   bool succ = wxGetResource(section, entry, (char **)&s, file);
 268   if (succ)
 269   {
 270     *value = (float)strtod(s, NULL);
 271     delete[] s;
 272     return TRUE;
 273   }
 274   else return FALSE;
 275 }
 276
 277 bool wxGetResource(const wxString& section, const wxString& entry, long *value, const wxString& file)
 278 {
 279   char *s = NULL;
 280   bool succ = wxGetResource(section, entry, (char **)&s, file);
 281   if (succ)
 282   {
 283     *value = strtol(s, NULL, 10);
 284     delete[] s;
 285     return TRUE;
 286   }
 287   else return FALSE;
 288 }
 289
 290 bool wxGetResource(const wxString& section, const wxString& entry, int *value, const wxString& file)
 291 {
 292   char *s = NULL;
 293   bool succ = wxGetResource(section, entry, (char **)&s, file);
 294   if (succ)
 295   {
 296     *value = (int)strtol(s, NULL, 10);
 297     delete[] s;
 298     return TRUE;
 299   }
 300   else return FALSE;
 301 }
 302 #endif // wxUSE_RESOURCES
 303
 304 int wxBusyCursorCount = 0;
 305 extern CursHandle       gMacCurrentCursor ;
 306 CursHandle                      gMacStoredActiveCursor = NULL ;
 307
 308 // Set the cursor to the busy cursor for all windows
 309 void wxBeginBusyCursor(wxCursor *cursor)
 310 {
 311   wxBusyCursorCount ++;
 312   if (wxBusyCursorCount == 1)
 313   {
 314         gMacStoredActiveCursor = gMacCurrentCursor ;
 315                 ::SetCursor( *::GetCursor( watchCursor ) ) ;
 316   }
 317   else
 318   {
 319         // TODO
 320   }
 321 }
 322
 323 // Restore cursor to normal
 324 void wxEndBusyCursor()
 325 {
 326   if (wxBusyCursorCount == 0)
 327     return;
 328
 329   wxBusyCursorCount --;
 330   if (wxBusyCursorCount == 0)
 331   {
 332     if ( gMacStoredActiveCursor )
 333         ::SetCursor( *gMacStoredActiveCursor ) ;
 334     else
 335     {
 336                 Cursor          MacArrow ;
 337         ::SetCursor( GetQDGlobalsArrow( &MacArrow ) ) ;
 338     }
 339         gMacStoredActiveCursor = NULL ;
 340   }
 341 }
 342
 343 // TRUE if we're between the above two calls
 344 bool wxIsBusy()
 345 {
 346   return (wxBusyCursorCount > 0);
 347 }
 348
 349 wxString wxMacFindFolder( short        vol,
 350                           OSType       folderType,
 351                           Boolean      createFolder)
 352 {
 353         short           vRefNum  ;
 354         long            dirID ;
 355         wxString strDir ;
 356
 357         if ( FindFolder( vol, folderType, createFolder, &vRefNum, &dirID) == noErr)
 358         {
 359                 FSSpec file ;
 360                 if ( FSMakeFSSpec( vRefNum , dirID , "\p" , &file ) == noErr )
 361                 {
 362                         strDir = wxMacFSSpec2MacFilename( &file ) + wxFILE_SEP_PATH ;
 363                 }
 364         }
 365         return strDir ;
 366 }
 367
 368 #ifndef __DARWIN__
 369 char *wxGetUserHome (const wxString& user)
 370 {
 371     // TODO
 372     return NULL;
 373 }
 374
 375 bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree)
 376 {
 377     if ( path.empty() )
 378         return FALSE;
 379
 380     wxString p = path ;
 381     if (p[0] == ':' ) {
 382       p = wxGetCwd() + p ;
 383     }
 384
 385     int pos = p.Find(':') ;
 386     if ( pos != wxNOT_FOUND ) {
 387       p = p.Mid(1,pos) ;
 388     }
 389
 390     p = p + ":" ;
 391
 392     Str255 volumeName ;
 393     XVolumeParam pb ;
 394
 395     wxMacStringToPascal( p  , volumeName ) ;
 396     OSErr err = XGetVolumeInfoNoName( volumeName , 0 , &pb ) ;
 397     if ( err == noErr ) {
 398       if ( pTotal ) {
 399         (*pTotal) = wxLongLong( pb.ioVTotalBytes ) ;
 400       }
 401       if ( pFree ) {
 402         (*pFree) = wxLongLong( pb.ioVFreeBytes ) ;
 403       }
 404     }
 405
 406     return err == noErr ;
 407 }
 408 #endif
 409
 410 // Check whether this window wants to process messages, e.g. Stop button
 411 // in long calculations.
 412 bool wxCheckForInterrupt(wxWindow *wnd)
 413 {
 414     // TODO
 415     return FALSE;
 416 }
 417
 418 void wxGetMousePosition( int* x, int* y )
 419 {
 420     Point pt ;
 421
 422     GetMouse( &pt ) ;
 423     LocalToGlobal( &pt ) ;
 424     *x = pt.h ;
 425     *y = pt.v ;
 426 };
 427
 428 // Return TRUE if we have a colour display
 429 bool wxColourDisplay()
 430 {
 431     return TRUE;
 432 }
 433
 434 // Returns depth of screen
 435 int wxDisplayDepth()
 436 {
 437         Rect globRect ;
 438         SetRect(&globRect, -32760, -32760, 32760, 32760);
 439         GDHandle        theMaxDevice;
 440
 441         int theDepth = 8;
 442         theMaxDevice = GetMaxDevice(&globRect);
 443         if (theMaxDevice != nil)
 444                 theDepth = (**(**theMaxDevice).gdPMap).pixelSize;
 445
 446         return theDepth ;
 447 }
 448
 449 // Get size of display
 450 void wxDisplaySize(int *width, int *height)
 451 {
 452         BitMap screenBits;
 453         GetQDGlobalsScreenBits( &screenBits );
 454
 455     *width = screenBits.bounds.right - screenBits.bounds.left  ;
 456     *height = screenBits.bounds.bottom - screenBits.bounds.top ;
 457 #if TARGET_CARBON
 458         SInt16 mheight ;
 459         GetThemeMenuBarHeight( &mheight ) ;
 460      *height -= mheight ;
 461 #else
 462      *height -= LMGetMBarHeight() ;
 463 #endif
 464 }
 465
 466 void wxDisplaySizeMM(int *width, int *height)
 467 {
 468    wxDisplaySize(width, height);
 469 }
 470
 471 void wxClientDisplayRect(int *x, int *y, int *width, int *height)
 472 {
 473     // This is supposed to return desktop dimensions minus any window
 474     // manager panels, menus, taskbars, etc.  If there is a way to do that
 475     // for this platform please fix this function, otherwise it defaults
 476     // to the entire desktop.
 477     if (x) *x = 0;
 478     if (y) *y = 0;
 479     wxDisplaySize(width, height);
 480 }
 481
 482 wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
 483 {
 484     return wxGenericFindWindowAtPoint(pt);
 485 }
 486
 487 wxString wxGetOsDescription()
 488 {
 489   return "MacOS" ; //TODO:define further
 490 }