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 #if WXWIN_COMPATIBILITY_2_2
 168
 169 // Output a debug message, in a system dependent fashion.
 170 void wxDebugMsg(const char *fmt ...)
 171 {
 172   va_list ap;
 173   static char buffer[512];
 174
 175   if (!wxTheApp->GetWantDebugOutput())
 176     return ;
 177
 178   va_start(ap, fmt);
 179
 180   vsprintf(buffer,fmt,ap) ;
 181   strcat(buffer,";g") ;
 182   c2pstr(buffer) ;
 183   DebugStr((unsigned char*) buffer) ;
 184
 185   va_end(ap);
 186 }
 187
 188 // Non-fatal error: pop up message box and (possibly) continue
 189 void wxError(const wxString& msg, const wxString& title)
 190 {
 191   wxSprintf(wxBuffer, wxT("%s\nContinue?"), WXSTRINGCAST msg);
 192   if (wxMessageBox(wxBuffer, title, wxYES_NO) == wxID_NO )
 193     wxExit();
 194 }
 195
 196 // Fatal error: pop up message box and abort
 197 void wxFatalError(const wxString& msg, const wxString& title)
 198 {
 199   wxSprintf(wxBuffer, wxT("%s: %s"), WXSTRINGCAST title, WXSTRINGCAST msg);
 200   wxMessageBox(wxBuffer);
 201   wxExit();
 202 }
 203
 204 #endif // WXWIN_COMPATIBILITY_2_2
 205
 206 #endif // !__DARWIN__
 207
 208 // Emit a beeeeeep
 209 void wxBell()
 210 {
 211     SysBeep(30);
 212 }
 213
 214 int wxGetOsVersion(int *majorVsn, int *minorVsn)
 215 {
 216     long theSystem ;
 217
 218     // are there x-platform conventions ?
 219
 220     Gestalt(gestaltSystemVersion, &theSystem) ;
 221     if (minorVsn != NULL) {
 222         *minorVsn = (theSystem & 0xFF ) ;
 223     }
 224     if (majorVsn != NULL) {
 225         *majorVsn = (theSystem >> 8 ) ;
 226     }
 227 #ifdef __DARWIN__
 228     return wxMAC_DARWIN;
 229 #else
 230     return wxMAC;
 231 #endif
 232 }
 233
 234 // Reading and writing resources (eg WIN.INI, .Xdefaults)
 235 #if wxUSE_RESOURCES
 236 bool wxWriteResource(const wxString& section, const wxString& entry, const wxString& value, const wxString& file)
 237 {
 238     // TODO
 239     return FALSE;
 240 }
 241
 242 bool wxWriteResource(const wxString& section, const wxString& entry, float value, const wxString& file)
 243 {
 244   char buf[50];
 245   sprintf(buf, "%.4f", value);
 246   return wxWriteResource(section, entry, buf, file);
 247 }
 248
 249 bool wxWriteResource(const wxString& section, const wxString& entry, long value, const wxString& file)
 250 {
 251   char buf[50];
 252   sprintf(buf, "%ld", value);
 253   return wxWriteResource(section, entry, buf, file);
 254 }
 255
 256 bool wxWriteResource(const wxString& section, const wxString& entry, int value, const wxString& file)
 257 {
 258   char buf[50];
 259   sprintf(buf, "%d", value);
 260   return wxWriteResource(section, entry, buf, file);
 261 }
 262
 263 bool wxGetResource(const wxString& section, const wxString& entry, char **value, const wxString& file)
 264 {
 265     // TODO
 266     return FALSE;
 267 }
 268
 269 bool wxGetResource(const wxString& section, const wxString& entry, float *value, const wxString& file)
 270 {
 271   char *s = NULL;
 272   bool succ = wxGetResource(section, entry, (char **)&s, file);
 273   if (succ)
 274   {
 275     *value = (float)strtod(s, NULL);
 276     delete[] s;
 277     return TRUE;
 278   }
 279   else return FALSE;
 280 }
 281
 282 bool wxGetResource(const wxString& section, const wxString& entry, long *value, const wxString& file)
 283 {
 284   char *s = NULL;
 285   bool succ = wxGetResource(section, entry, (char **)&s, file);
 286   if (succ)
 287   {
 288     *value = strtol(s, NULL, 10);
 289     delete[] s;
 290     return TRUE;
 291   }
 292   else return FALSE;
 293 }
 294
 295 bool wxGetResource(const wxString& section, const wxString& entry, int *value, const wxString& file)
 296 {
 297   char *s = NULL;
 298   bool succ = wxGetResource(section, entry, (char **)&s, file);
 299   if (succ)
 300   {
 301     *value = (int)strtol(s, NULL, 10);
 302     delete[] s;
 303     return TRUE;
 304   }
 305   else return FALSE;
 306 }
 307 #endif // wxUSE_RESOURCES
 308
 309 int wxBusyCursorCount = 0;
 310 extern CursHandle       gMacCurrentCursor ;
 311 CursHandle                      gMacStoredActiveCursor = NULL ;
 312
 313 // Set the cursor to the busy cursor for all windows
 314 void wxBeginBusyCursor(wxCursor *cursor)
 315 {
 316   wxBusyCursorCount ++;
 317   if (wxBusyCursorCount == 1)
 318   {
 319         gMacStoredActiveCursor = gMacCurrentCursor ;
 320                 ::SetCursor( *::GetCursor( watchCursor ) ) ;
 321   }
 322   else
 323   {
 324         // TODO
 325   }
 326 }
 327
 328 // Restore cursor to normal
 329 void wxEndBusyCursor()
 330 {
 331   if (wxBusyCursorCount == 0)
 332     return;
 333
 334   wxBusyCursorCount --;
 335   if (wxBusyCursorCount == 0)
 336   {
 337     if ( gMacStoredActiveCursor )
 338         ::SetCursor( *gMacStoredActiveCursor ) ;
 339     else
 340     {
 341                 Cursor          MacArrow ;
 342         ::SetCursor( GetQDGlobalsArrow( &MacArrow ) ) ;
 343     }
 344         gMacStoredActiveCursor = NULL ;
 345   }
 346 }
 347
 348 // TRUE if we're between the above two calls
 349 bool wxIsBusy()
 350 {
 351   return (wxBusyCursorCount > 0);
 352 }
 353
 354 wxString wxMacFindFolder( short        vol,
 355                           OSType       folderType,
 356                           Boolean      createFolder)
 357 {
 358         short           vRefNum  ;
 359         long            dirID ;
 360         wxString strDir ;
 361
 362         if ( FindFolder( vol, folderType, createFolder, &vRefNum, &dirID) == noErr)
 363         {
 364                 FSSpec file ;
 365                 if ( FSMakeFSSpec( vRefNum , dirID , "\p" , &file ) == noErr )
 366                 {
 367                         strDir = wxMacFSSpec2MacFilename( &file ) + wxFILE_SEP_PATH ;
 368                 }
 369         }
 370         return strDir ;
 371 }
 372
 373 #ifndef __DARWIN__
 374 char *wxGetUserHome (const wxString& user)
 375 {
 376     // TODO
 377     return NULL;
 378 }
 379
 380 bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree)
 381 {
 382     if ( path.empty() )
 383         return FALSE;
 384
 385     wxString p = path ;
 386     if (p[0] == ':' ) {
 387       p = wxGetCwd() + p ;
 388     }
 389
 390     int pos = p.Find(':') ;
 391     if ( pos != wxNOT_FOUND ) {
 392       p = p.Mid(1,pos) ;
 393     }
 394
 395     p = p + ":" ;
 396
 397     Str255 volumeName ;
 398     XVolumeParam pb ;
 399
 400     wxMacStringToPascal( p  , volumeName ) ;
 401     OSErr err = XGetVolumeInfoNoName( volumeName , 0 , &pb ) ;
 402     if ( err == noErr ) {
 403       if ( pTotal ) {
 404         (*pTotal) = wxLongLong( pb.ioVTotalBytes ) ;
 405       }
 406       if ( pFree ) {
 407         (*pFree) = wxLongLong( pb.ioVFreeBytes ) ;
 408       }
 409     }
 410
 411     return err == noErr ;
 412 }
 413 #endif
 414
 415 // Check whether this window wants to process messages, e.g. Stop button
 416 // in long calculations.
 417 bool wxCheckForInterrupt(wxWindow *wnd)
 418 {
 419     // TODO
 420     return FALSE;
 421 }
 422
 423 void wxGetMousePosition( int* x, int* y )
 424 {
 425     Point pt ;
 426
 427     GetMouse( &pt ) ;
 428     LocalToGlobal( &pt ) ;
 429     *x = pt.h ;
 430     *y = pt.v ;
 431 };
 432
 433 // Return TRUE if we have a colour display
 434 bool wxColourDisplay()
 435 {
 436     return TRUE;
 437 }
 438
 439 // Returns depth of screen
 440 int wxDisplayDepth()
 441 {
 442         Rect globRect ;
 443         SetRect(&globRect, -32760, -32760, 32760, 32760);
 444         GDHandle        theMaxDevice;
 445
 446         int theDepth = 8;
 447         theMaxDevice = GetMaxDevice(&globRect);
 448         if (theMaxDevice != nil)
 449                 theDepth = (**(**theMaxDevice).gdPMap).pixelSize;
 450
 451         return theDepth ;
 452 }
 453
 454 // Get size of display
 455 void wxDisplaySize(int *width, int *height)
 456 {
 457         BitMap screenBits;
 458         GetQDGlobalsScreenBits( &screenBits );
 459
 460     *width = screenBits.bounds.right - screenBits.bounds.left  ;
 461     *height = screenBits.bounds.bottom - screenBits.bounds.top ;
 462 #if TARGET_CARBON
 463         SInt16 mheight ;
 464         GetThemeMenuBarHeight( &mheight ) ;
 465      *height -= mheight ;
 466 #else
 467      *height -= LMGetMBarHeight() ;
 468 #endif
 469 }
 470
 471 void wxDisplaySizeMM(int *width, int *height)
 472 {
 473    wxDisplaySize(width, height);
 474 }
 475
 476 void wxClientDisplayRect(int *x, int *y, int *width, int *height)
 477 {
 478     // This is supposed to return desktop dimensions minus any window
 479     // manager panels, menus, taskbars, etc.  If there is a way to do that
 480     // for this platform please fix this function, otherwise it defaults
 481     // to the entire desktop.
 482     if (x) *x = 0;
 483     if (y) *y = 0;
 484     wxDisplaySize(width, height);
 485 }
 486
 487 wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
 488 {
 489     return wxGenericFindWindowAtPoint(pt);
 490 }
 491
 492 wxString wxGetOsDescription()
 493 {
 494 #ifdef WXWIN_OS_DESCRIPTION
 495     // use configure generated description if available
 496     return wxString("MacOS (") + WXWIN_OS_DESCRIPTION + wxString(")");
 497 #else
 498     return "MacOS" ; //TODO:define further
 499 #endif
 500 }
 501