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