src/osx/utils_osx.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/utils_osx.cpp
   3 // Purpose:     Various utilities
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id: utils.cpp 54886 2008-07-31 13:02:53Z SC $
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12
  13 #include "wx/wxprec.h"
  14
  15 #include "wx/utils.h"
  16
  17 #ifndef WX_PRECOMP
  18     #include "wx/intl.h"
  19     #include "wx/app.h"
  20     #include "wx/log.h"
  21     #if wxUSE_GUI
  22         #include "wx/toplevel.h"
  23         #include "wx/font.h"
  24     #endif
  25 #endif
  26
  27 #include "wx/apptrait.h"
  28
  29 #include <ctype.h>
  30
  31 #include <stdio.h>
  32 #include <stdlib.h>
  33 #include <string.h>
  34 #include <stdarg.h>
  35
  36 // #include "MoreFilesX.h"
  37
  38 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
  39     #include <AudioToolbox/AudioServices.h>
  40 #endif
  41
  42 #include "wx/osx/private.h"
  43 #include "wx/osx/private/timer.h"
  44
  45 #include "wx/evtloop.h"
  46
  47 #if defined(__MWERKS__) && wxUSE_UNICODE
  48 #if __MWERKS__ < 0x4100
  49     #include <wtime.h>
  50 #endif
  51 #endif
  52
  53 // Check whether this window wants to process messages, e.g. Stop button
  54 // in long calculations.
  55 bool wxCheckForInterrupt(wxWindow *WXUNUSED(wnd))
  56 {
  57     // TODO
  58     return false;
  59 }
  60
  61 // Return true if we have a colour display
  62 bool wxColourDisplay()
  63 {
  64     // always the case on OS X
  65     return true;
  66 }
  67
  68 #if wxOSX_USE_COCOA_OR_CARBON
  69 // Returns depth of screen
  70 int wxDisplayDepth()
  71 {
  72     int theDepth = (int) CGDisplayBitsPerPixel(CGMainDisplayID());
  73     return theDepth;
  74 }
  75
  76 // Get size of display
  77 void wxDisplaySize(int *width, int *height)
  78 {
  79     // TODO adapt for multi-displays
  80     CGRect bounds = CGDisplayBounds(CGMainDisplayID());
  81     if ( width )
  82         *width = (int)bounds.size.width ;
  83     if ( height )
  84         *height = (int)bounds.size.height;
  85 }
  86
  87 #if wxUSE_GUI
  88
  89 // ----------------------------------------------------------------------------
  90 // Launch document with default app
  91 // ----------------------------------------------------------------------------
  92
  93 bool wxLaunchDefaultApplication(const wxString& document, int flags)
  94 {
  95     wxUnusedVar(flags);
  96
  97     wxCFRef<CFMutableStringRef> cfMutableString(CFStringCreateMutableCopy(NULL, 0, wxCFStringRef(document)));
  98     CFStringNormalize(cfMutableString,kCFStringNormalizationFormD);
  99     wxCFRef<CFURLRef> curl(CFURLCreateWithFileSystemPath(kCFAllocatorDefault, cfMutableString , kCFURLPOSIXPathStyle, false));
 100     OSStatus err = LSOpenCFURLRef( curl , NULL );
 101
 102     if (err == noErr)
 103     {
 104         return true;
 105     }
 106     else
 107     {
 108         wxLogDebug(wxT("Default Application Launch error %d"), (int) err);
 109         return false;
 110     }
 111 }
 112
 113 // ----------------------------------------------------------------------------
 114 // Launch default browser
 115 // ----------------------------------------------------------------------------
 116
 117 bool wxDoLaunchDefaultBrowser(const wxString& url, int flags)
 118 {
 119     wxUnusedVar(flags);
 120     wxCFRef< CFURLRef > curl( CFURLCreateWithString( kCFAllocatorDefault,
 121                               wxCFStringRef( url ), NULL ) );
 122     OSStatus err = LSOpenCFURLRef( curl , NULL );
 123
 124     if (err == noErr)
 125     {
 126         return true;
 127     }
 128     else
 129     {
 130         wxLogDebug(wxT("Browser Launch error %d"), (int) err);
 131         return false;
 132     }
 133 }
 134
 135 #endif // wxUSE_GUI
 136
 137 #endif
 138
 139 void wxDisplaySizeMM(int *width, int *height)
 140 {
 141     wxDisplaySize(width, height);
 142     // on mac 72 is fixed (at least now;-)
 143     double cvPt2Mm = 25.4 / 72;
 144
 145     if (width != NULL)
 146         *width = int( *width * cvPt2Mm );
 147
 148     if (height != NULL)
 149         *height = int( *height * cvPt2Mm );
 150 }
 151
 152
 153 wxPortId wxGUIAppTraits::GetToolkitVersion(int *verMaj, int *verMin) const
 154 {
 155     // We suppose that toolkit version is the same as OS version under Mac
 156     wxGetOsVersion(verMaj, verMin);
 157
 158     return wxPORT_OSX;
 159 }
 160
 161 wxEventLoopBase* wxGUIAppTraits::CreateEventLoop()
 162 {
 163     return new wxEventLoop;
 164 }
 165
 166 wxWindow* wxFindWindowAtPoint(wxWindow* win, const wxPoint& pt);
 167
 168 wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
 169 {
 170 #if wxOSX_USE_CARBON
 171
 172     Point screenPoint = { pt.y , pt.x };
 173     WindowRef windowRef;
 174
 175     if ( FindWindow( screenPoint , &windowRef ) )
 176     {
 177         wxNonOwnedWindow *nonOwned = wxNonOwnedWindow::GetFromWXWindow( windowRef );
 178
 179         if ( nonOwned )
 180             return wxFindWindowAtPoint( nonOwned , pt );
 181     }
 182
 183     return NULL;
 184
 185 #else
 186
 187     return wxGenericFindWindowAtPoint( pt );
 188
 189 #endif
 190 }
 191
 192 /*
 193     Return the generic RGB color space. This is a 'get' function and the caller should
 194     not release the returned value unless the caller retains it first. Usually callers
 195     of this routine will immediately use the returned colorspace with CoreGraphics
 196     so they typically do not need to retain it themselves.
 197
 198     This function creates the generic RGB color space once and hangs onto it so it can
 199     return it whenever this function is called.
 200 */
 201
 202 CGColorSpaceRef wxMacGetGenericRGBColorSpace()
 203 {
 204     static wxCFRef<CGColorSpaceRef> genericRGBColorSpace;
 205
 206     if (genericRGBColorSpace == NULL)
 207     {
 208 #if wxOSX_USE_IPHONE
 209         genericRGBColorSpace.reset( CGColorSpaceCreateDeviceRGB() );
 210 #else
 211         genericRGBColorSpace.reset( CGColorSpaceCreateWithName( kCGColorSpaceGenericRGB ) );
 212 #endif
 213     }
 214
 215     return genericRGBColorSpace;
 216 }
 217
 218 #if wxOSX_USE_COCOA_OR_CARBON
 219
 220 CGColorRef wxMacCreateCGColorFromHITheme( ThemeBrush brush )
 221 {
 222     CGColorRef color ;
 223     HIThemeBrushCreateCGColor( brush, &color );
 224     return color;
 225 }
 226
 227 //---------------------------------------------------------------------------
 228 // Mac Specific string utility functions
 229 //---------------------------------------------------------------------------
 230
 231 void wxMacStringToPascal( const wxString&from , unsigned char * to )
 232 {
 233     wxCharBuffer buf = from.mb_str( wxConvLocal );
 234     int len = strlen(buf);
 235
 236     if ( len > 255 )
 237         len = 255;
 238     to[0] = len;
 239     memcpy( (char*) &to[1] , buf , len );
 240 }
 241
 242 wxString wxMacMakeStringFromPascal( const unsigned char * from )
 243 {
 244     return wxString( (char*) &from[1] , wxConvLocal , from[0] );
 245 }
 246
 247 #endif // wxOSX_USE_COCOA_OR_CARBON