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