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     #if wxUSE_GUI
  21         #include "wx/toplevel.h"
  22         #include "wx/font.h"
  23     #endif
  24 #endif
  25
  26 #include "wx/apptrait.h"
  27
  28 #include <ctype.h>
  29
  30 #include <stdio.h>
  31 #include <stdlib.h>
  32 #include <string.h>
  33 #include <stdarg.h>
  34
  35 // #include "MoreFilesX.h"
  36
  37 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
  38     #include <AudioToolbox/AudioServices.h>
  39 #endif
  40
  41 #include "wx/osx/private.h"
  42
  43 #ifdef wxOSX_USE_COCOA
  44 // to get the themeing APIs
  45 #include <Carbon/Carbon.h>
  46 #endif
  47
  48 #include "wx/osx/private/timer.h"
  49
  50 #include "wx/evtloop.h"
  51
  52 #if defined(__MWERKS__) && wxUSE_UNICODE
  53 #if __MWERKS__ < 0x4100
  54     #include <wtime.h>
  55 #endif
  56 #endif
  57
  58 // Check whether this window wants to process messages, e.g. Stop button
  59 // in long calculations.
  60 bool wxCheckForInterrupt(wxWindow *WXUNUSED(wnd))
  61 {
  62     // TODO
  63     return false;
  64 }
  65
  66 // Return true if we have a colour display
  67 bool wxColourDisplay()
  68 {
  69     return true;
  70 }
  71
  72 #if wxOSX_USE_COCOA_OR_CARBON
  73 // Returns depth of screen
  74 int wxDisplayDepth()
  75 {
  76     int theDepth = (int) CGDisplayBitsPerPixel(CGMainDisplayID());
  77     return theDepth;
  78 }
  79
  80 // Get size of display
  81 void wxDisplaySize(int *width, int *height)
  82 {
  83     // TODO adapt for multi-displays
  84     CGRect bounds = CGDisplayBounds(CGMainDisplayID());
  85     if ( width )
  86         *width = (int)bounds.size.width ;
  87     if ( height )
  88         *height = (int)bounds.size.height;
  89 }
  90 #endif
  91
  92 void wxDisplaySizeMM(int *width, int *height)
  93 {
  94     wxDisplaySize(width, height);
  95     // on mac 72 is fixed (at least now;-)
  96     double cvPt2Mm = 25.4 / 72;
  97
  98     if (width != NULL)
  99         *width = int( *width * cvPt2Mm );
 100
 101     if (height != NULL)
 102         *height = int( *height * cvPt2Mm );
 103 }
 104
 105
 106 wxPortId wxGUIAppTraits::GetToolkitVersion(int *verMaj, int *verMin) const
 107 {
 108     // We suppose that toolkit version is the same as OS version under Mac
 109     wxGetOsVersion(verMaj, verMin);
 110
 111     return wxPORT_OSX;
 112 }
 113
 114 wxEventLoopBase* wxGUIAppTraits::CreateEventLoop()
 115 {
 116     return new wxEventLoop;
 117 }
 118
 119 wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
 120 {
 121     return wxGenericFindWindowAtPoint(pt);
 122 }
 123
 124 /*
 125     Return the generic RGB color space. This is a 'get' function and the caller should
 126     not release the returned value unless the caller retains it first. Usually callers
 127     of this routine will immediately use the returned colorspace with CoreGraphics
 128     so they typically do not need to retain it themselves.
 129
 130     This function creates the generic RGB color space once and hangs onto it so it can
 131     return it whenever this function is called.
 132 */
 133
 134 CGColorSpaceRef wxMacGetGenericRGBColorSpace()
 135 {
 136     static wxCFRef<CGColorSpaceRef> genericRGBColorSpace;
 137
 138     if (genericRGBColorSpace == NULL)
 139     {
 140 #if wxOSX_USE_IPHONE
 141         genericRGBColorSpace.reset( CGColorSpaceCreateDeviceRGB() );
 142 #else
 143         genericRGBColorSpace.reset( CGColorSpaceCreateWithName( kCGColorSpaceGenericRGB ) );
 144 #endif
 145     }
 146
 147     return genericRGBColorSpace;
 148 }
 149
 150 #if wxOSX_USE_COCOA_OR_CARBON
 151
 152 CGColorRef wxMacCreateCGColorFromHITheme( ThemeBrush brush )
 153 {
 154     CGColorRef color ;
 155     HIThemeBrushCreateCGColor( brush, &color );
 156     return color;
 157 }
 158
 159 //---------------------------------------------------------------------------
 160 // Mac Specific string utility functions
 161 //---------------------------------------------------------------------------
 162
 163 void wxMacStringToPascal( const wxString&from , unsigned char * to )
 164 {
 165     wxCharBuffer buf = from.mb_str( wxConvLocal );
 166     int len = strlen(buf);
 167
 168     if ( len > 255 )
 169         len = 255;
 170     to[0] = len;
 171     memcpy( (char*) &to[1] , buf , len );
 172 }
 173
 174 wxString wxMacMakeStringFromPascal( const unsigned char * from )
 175 {
 176     return wxString( (char*) &from[1] , wxConvLocal , from[0] );
 177 }
 178
 179 #endif // wxOSX_USE_COCOA_OR_CARBON