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 // Shutdown or reboot the PC
 143 bool wxShutdown(wxShutdownFlags wFlags)
 144 {
 145     // TODO
 146     return FALSE;
 147 }
 148
 149 // Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)
 150 long wxGetFreeMemory()
 151 {
 152     return FreeMem() ;
 153 }
 154
 155 void wxUsleep(unsigned long milliseconds)
 156 {
 157     clock_t start = clock() ;
 158     do
 159     {
 160         YieldToAnyThread() ;
 161     } while( clock() - start < milliseconds / CLOCKS_PER_SEC ) ;
 162 }
 163
 164 void wxSleep(int nSecs)
 165 {
 166     wxUsleep(1000*nSecs);
 167 }
 168
 169 // Consume all events until no more left
 170 void wxFlushEvents()
 171 {
 172 }
 173
 174 #if WXWIN_COMPATIBILITY_2_2
 175
 176 // Output a debug message, in a system dependent fashion.
 177 void wxDebugMsg(const char *fmt ...)
 178 {
 179   va_list ap;
 180   static char buffer[512];
 181
 182   if (!wxTheApp->GetWantDebugOutput())
 183     return ;
 184
 185   va_start(ap, fmt);
 186
 187   vsprintf(buffer,fmt,ap) ;
 188   strcat(buffer,";g") ;
 189   c2pstr(buffer) ;
 190   DebugStr((unsigned char*) buffer) ;
 191
 192   va_end(ap);
 193 }
 194
 195 // Non-fatal error: pop up message box and (possibly) continue
 196 void wxError(const wxString& msg, const wxString& title)
 197 {
 198   wxSprintf(wxBuffer, wxT("%s\nContinue?"), WXSTRINGCAST msg);
 199   if (wxMessageBox(wxBuffer, title, wxYES_NO) == wxID_NO )
 200     wxExit();
 201 }
 202
 203 // Fatal error: pop up message box and abort
 204 void wxFatalError(const wxString& msg, const wxString& title)
 205 {
 206   wxSprintf(wxBuffer, wxT("%s: %s"), WXSTRINGCAST title, WXSTRINGCAST msg);
 207   wxMessageBox(wxBuffer);
 208   wxExit();
 209 }
 210
 211 #endif // WXWIN_COMPATIBILITY_2_2
 212
 213 #endif // !__DARWIN__
 214
 215 // Emit a beeeeeep
 216 void wxBell()
 217 {
 218     SysBeep(30);
 219 }
 220
 221 int wxGetOsVersion(int *majorVsn, int *minorVsn)
 222 {
 223     long theSystem ;
 224
 225     // are there x-platform conventions ?
 226
 227     Gestalt(gestaltSystemVersion, &theSystem) ;
 228     if (minorVsn != NULL) {
 229         *minorVsn = (theSystem & 0xFF ) ;
 230     }
 231     if (majorVsn != NULL) {
 232         *majorVsn = (theSystem >> 8 ) ;
 233     }
 234 #ifdef __DARWIN__
 235     return wxMAC_DARWIN;
 236 #else
 237     return wxMAC;
 238 #endif
 239 }
 240
 241 // Reading and writing resources (eg WIN.INI, .Xdefaults)
 242 #if wxUSE_RESOURCES
 243 bool wxWriteResource(const wxString& section, const wxString& entry, const wxString& value, const wxString& file)
 244 {
 245     // TODO
 246     return FALSE;
 247 }
 248
 249 bool wxWriteResource(const wxString& section, const wxString& entry, float value, const wxString& file)
 250 {
 251   char buf[50];
 252   sprintf(buf, "%.4f", value);
 253   return wxWriteResource(section, entry, buf, file);
 254 }
 255
 256 bool wxWriteResource(const wxString& section, const wxString& entry, long value, const wxString& file)
 257 {
 258   char buf[50];
 259   sprintf(buf, "%ld", value);
 260   return wxWriteResource(section, entry, buf, file);
 261 }
 262
 263 bool wxWriteResource(const wxString& section, const wxString& entry, int value, const wxString& file)
 264 {
 265   char buf[50];
 266   sprintf(buf, "%d", value);
 267   return wxWriteResource(section, entry, buf, file);
 268 }
 269
 270 bool wxGetResource(const wxString& section, const wxString& entry, char **value, const wxString& file)
 271 {
 272     // TODO
 273     return FALSE;
 274 }
 275
 276 bool wxGetResource(const wxString& section, const wxString& entry, float *value, const wxString& file)
 277 {
 278   char *s = NULL;
 279   bool succ = wxGetResource(section, entry, (char **)&s, file);
 280   if (succ)
 281   {
 282     *value = (float)strtod(s, NULL);
 283     delete[] s;
 284     return TRUE;
 285   }
 286   else return FALSE;
 287 }
 288
 289 bool wxGetResource(const wxString& section, const wxString& entry, long *value, const wxString& file)
 290 {
 291   char *s = NULL;
 292   bool succ = wxGetResource(section, entry, (char **)&s, file);
 293   if (succ)
 294   {
 295     *value = strtol(s, NULL, 10);
 296     delete[] s;
 297     return TRUE;
 298   }
 299   else return FALSE;
 300 }
 301
 302 bool wxGetResource(const wxString& section, const wxString& entry, int *value, const wxString& file)
 303 {
 304   char *s = NULL;
 305   bool succ = wxGetResource(section, entry, (char **)&s, file);
 306   if (succ)
 307   {
 308     *value = (int)strtol(s, NULL, 10);
 309     delete[] s;
 310     return TRUE;
 311   }
 312   else return FALSE;
 313 }
 314 #endif // wxUSE_RESOURCES
 315
 316 int wxBusyCursorCount = 0;
 317 extern CursHandle       gMacCurrentCursor ;
 318 CursHandle                      gMacStoredActiveCursor = NULL ;
 319
 320 // Set the cursor to the busy cursor for all windows
 321 void wxBeginBusyCursor(wxCursor *cursor)
 322 {
 323   wxBusyCursorCount ++;
 324   if (wxBusyCursorCount == 1)
 325   {
 326         gMacStoredActiveCursor = gMacCurrentCursor ;
 327                 ::SetCursor( *::GetCursor( watchCursor ) ) ;
 328   }
 329   else
 330   {
 331         // TODO
 332   }
 333 }
 334
 335 // Restore cursor to normal
 336 void wxEndBusyCursor()
 337 {
 338   if (wxBusyCursorCount == 0)
 339     return;
 340
 341   wxBusyCursorCount --;
 342   if (wxBusyCursorCount == 0)
 343   {
 344     if ( gMacStoredActiveCursor )
 345         ::SetCursor( *gMacStoredActiveCursor ) ;
 346     else
 347     {
 348                 Cursor          MacArrow ;
 349         ::SetCursor( GetQDGlobalsArrow( &MacArrow ) ) ;
 350     }
 351         gMacStoredActiveCursor = NULL ;
 352   }
 353 }
 354
 355 // TRUE if we're between the above two calls
 356 bool wxIsBusy()
 357 {
 358   return (wxBusyCursorCount > 0);
 359 }
 360
 361 wxString wxMacFindFolder( short        vol,
 362                           OSType       folderType,
 363                           Boolean      createFolder)
 364 {
 365         short           vRefNum  ;
 366         long            dirID ;
 367         wxString strDir ;
 368
 369         if ( FindFolder( vol, folderType, createFolder, &vRefNum, &dirID) == noErr)
 370         {
 371                 FSSpec file ;
 372                 if ( FSMakeFSSpec( vRefNum , dirID , "\p" , &file ) == noErr )
 373                 {
 374                         strDir = wxMacFSSpec2MacFilename( &file ) + wxFILE_SEP_PATH ;
 375                 }
 376         }
 377         return strDir ;
 378 }
 379
 380 #ifndef __DARWIN__
 381 char *wxGetUserHome (const wxString& user)
 382 {
 383     // TODO
 384     return NULL;
 385 }
 386
 387 bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree)
 388 {
 389     if ( path.empty() )
 390         return FALSE;
 391
 392     wxString p = path ;
 393     if (p[0] == ':' ) {
 394       p = wxGetCwd() + p ;
 395     }
 396
 397     int pos = p.Find(':') ;
 398     if ( pos != wxNOT_FOUND ) {
 399       p = p.Mid(1,pos) ;
 400     }
 401
 402     p = p + ":" ;
 403
 404     Str255 volumeName ;
 405     XVolumeParam pb ;
 406
 407     wxMacStringToPascal( p  , volumeName ) ;
 408     OSErr err = XGetVolumeInfoNoName( volumeName , 0 , &pb ) ;
 409     if ( err == noErr ) {
 410       if ( pTotal ) {
 411         (*pTotal) = wxLongLong( pb.ioVTotalBytes ) ;
 412       }
 413       if ( pFree ) {
 414         (*pFree) = wxLongLong( pb.ioVFreeBytes ) ;
 415       }
 416     }
 417
 418     return err == noErr ;
 419 }
 420 #endif
 421
 422 // Check whether this window wants to process messages, e.g. Stop button
 423 // in long calculations.
 424 bool wxCheckForInterrupt(wxWindow *wnd)
 425 {
 426     // TODO
 427     return FALSE;
 428 }
 429
 430 void wxGetMousePosition( int* x, int* y )
 431 {
 432     Point pt ;
 433
 434     GetMouse( &pt ) ;
 435     LocalToGlobal( &pt ) ;
 436     *x = pt.h ;
 437     *y = pt.v ;
 438 };
 439
 440 // Return TRUE if we have a colour display
 441 bool wxColourDisplay()
 442 {
 443     return TRUE;
 444 }
 445
 446 // Returns depth of screen
 447 int wxDisplayDepth()
 448 {
 449         Rect globRect ;
 450         SetRect(&globRect, -32760, -32760, 32760, 32760);
 451         GDHandle        theMaxDevice;
 452
 453         int theDepth = 8;
 454         theMaxDevice = GetMaxDevice(&globRect);
 455         if (theMaxDevice != nil)
 456                 theDepth = (**(**theMaxDevice).gdPMap).pixelSize;
 457
 458         return theDepth ;
 459 }
 460
 461 // Get size of display
 462 void wxDisplaySize(int *width, int *height)
 463 {
 464   wxClientDisplayRect( NULL , NULL , width , height ) ;
 465 }
 466
 467 void wxDisplaySizeMM(int *width, int *height)
 468 {
 469     wxDisplaySize(width, height);
 470     // on mac 72 is fixed (at least now ;-)
 471     float cvPt2Mm = 25.4 / 72;
 472     *width = int( *width * cvPt2Mm );
 473     *height = int( *height * cvPt2Mm );
 474 }
 475
 476 void wxClientDisplayRect(int *x, int *y, int *width, int *height)
 477 {
 478         BitMap screenBits;
 479         GetQDGlobalsScreenBits( &screenBits );
 480
 481     if (x) *x = 0;
 482     if (y) *y = 0;
 483
 484     *width = screenBits.bounds.right - screenBits.bounds.left  ;
 485     *height = screenBits.bounds.bottom - screenBits.bounds.top ;
 486
 487         SInt16 mheight ;
 488   #if TARGET_CARBON
 489         GetThemeMenuBarHeight( &mheight ) ;
 490   #else
 491     mheight = LMGetMBarHeight() ;
 492   #endif
 493     *height -= mheight ;
 494     if ( y )
 495       *y = mheight ;
 496 }
 497
 498 wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
 499 {
 500     return wxGenericFindWindowAtPoint(pt);
 501 }
 502
 503 wxString wxGetOsDescription()
 504 {
 505 #ifdef WXWIN_OS_DESCRIPTION
 506     // use configure generated description if available
 507     return wxString("MacOS (") + WXWIN_OS_DESCRIPTION + wxString(")");
 508 #else
 509     return "MacOS" ; //TODO:define further
 510 #endif
 511 }
 512