src/osx/iphone/utils.mm

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/cocoa/utils.mm
   3 // Purpose:     various cocoa utility functions
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id: utils.mm 48805 2007-09-19 14:52:25Z SC $
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #include "wx/wxprec.h"
  15
  16 #include "wx/utils.h"
  17
  18 #ifndef WX_PRECOMP
  19     #include "wx/intl.h"
  20     #include "wx/app.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 "wx/osx/private.h"
  30
  31 #if wxUSE_GUI
  32     #include "wx/osx/private/timer.h"
  33     #include "wx/osx/dcclient.h"
  34 #endif // wxUSE_GUI
  35
  36 #if wxOSX_USE_IPHONE
  37
  38 #include <AudioToolbox/AudioServices.h>
  39
  40 #if wxUSE_BASE
  41
  42 // Emit a beeeeeep
  43 void wxBell()
  44 {
  45     // would be kSystemSoundID_UserPreferredAlert but since the headers aren't correct, add it manually
  46     AudioServicesPlayAlertSound(0x00001000 );
  47 }
  48
  49 // ----------------------------------------------------------------------------
  50 // Common Event Support
  51 // ----------------------------------------------------------------------------
  52
  53 @interface wxAppDelegate : NSObject <UIApplicationDelegate> {
  54 }
  55
  56 @end
  57
  58 @implementation wxAppDelegate
  59
  60 - (void)applicationDidFinishLaunching:(UIApplication *)application {
  61         wxTheApp->OnInit();
  62 }
  63
  64
  65 - (void)dealloc {
  66         [super dealloc];
  67 }
  68
  69
  70 @end
  71
  72 bool wxApp::CallOnInit()
  73 {
  74     return true;
  75 }
  76
  77 int wxApp::OnRun()
  78 {
  79     wxMacAutoreleasePool pool;
  80     char* appname = "test";
  81     UIApplicationMain( 1, &appname, nil, @"wxAppDelegate" );
  82     return 1;
  83 }
  84
  85 void wxMacWakeUp()
  86 {
  87     // TODO
  88 }
  89
  90 #endif // wxUSE_BASE
  91
  92 #if wxUSE_GUI
  93
  94 // TODO : reorganize
  95
  96 extern wxFont* CreateNormalFont()
  97 {
  98     return new wxFont([UIFont systemFontSize] , wxSWISS, wxNORMAL, wxNORMAL, FALSE, "Helvetica" );
  99 }
 100
 101 extern wxFont* CreateSmallFont()
 102 {
 103     return new wxFont([UIFont smallSystemFontSize] , wxSWISS, wxNORMAL, wxNORMAL, FALSE, "Helvetica" );
 104 }
 105
 106 extern UIFont* CreateUIFont( const wxFont& font )
 107 {
 108     return [UIFont fontWithName:wxCFStringRef(font.GetFaceName() ).AsNSString() size:font.GetPointSize()];
 109 }
 110
 111 extern void DrawTextInContext( CGContextRef context, CGPoint where, UIFont *font, NSString* text )
 112 {
 113     bool contextChanged = ( UIGraphicsGetCurrentContext() != context );
 114     if ( contextChanged )
 115         UIGraphicsPushContext(context);
 116
 117     [text drawAtPoint:where withFont:font];
 118
 119     if ( contextChanged )
 120         UIGraphicsPopContext();
 121 }
 122
 123 extern CGSize MeasureTextInContext( UIFont *font, NSString* text )
 124 {
 125     return  [text sizeWithFont:font];
 126 }
 127
 128 void wxClientDisplayRect(int *x, int *y, int *width, int *height)
 129 {
 130     CGRect r = [[UIScreen mainScreen] applicationFrame];
 131     if ( x )
 132         *x = r.origin.x;
 133     if ( y )
 134         *y = r.origin.y;
 135     if ( width )
 136         *width = r.size.width;
 137     if ( height )
 138         *height = r.size.height;
 139
 140 }
 141
 142 void wxGetMousePosition( int* x, int* y )
 143 {
 144 //    wxPoint pt = wxFromNSPoint(NULL, [NSEvent mouseLocation]);
 145 };
 146
 147 // Returns depth of screen
 148 int wxDisplayDepth()
 149 {
 150     return 32; // TODO can we determine this ?
 151 }
 152
 153 // Get size of display
 154 void wxDisplaySize(int *width, int *height)
 155 {
 156     CGRect bounds = [[UIScreen mainScreen] bounds];
 157
 158     if ( width )
 159         *width = (int)bounds.size.width ;
 160     if ( height )
 161         *height = (int)bounds.size.height;
 162 }
 163
 164 wxTimerImpl* wxGUIAppTraits::CreateTimerImpl(wxTimer *timer)
 165 {
 166     return new wxOSXTimerImpl(timer);
 167 }
 168
 169 int gs_wxBusyCursorCount = 0;
 170 extern wxCursor    gMacCurrentCursor;
 171 wxCursor        gMacStoredActiveCursor;
 172
 173 // Set the cursor to the busy cursor for all windows
 174 void wxBeginBusyCursor(const wxCursor *cursor)
 175 {
 176     if (gs_wxBusyCursorCount++ == 0)
 177     {
 178         gMacStoredActiveCursor = gMacCurrentCursor;
 179         cursor->MacInstall();
 180
 181         wxSetCursor(*cursor);
 182     }
 183     //else: nothing to do, already set
 184 }
 185
 186 // Restore cursor to normal
 187 void wxEndBusyCursor()
 188 {
 189     wxCHECK_RET( gs_wxBusyCursorCount > 0,
 190         wxT("no matching wxBeginBusyCursor() for wxEndBusyCursor()") );
 191
 192     if (--gs_wxBusyCursorCount == 0)
 193     {
 194         gMacStoredActiveCursor.MacInstall();
 195         gMacStoredActiveCursor = wxNullCursor;
 196
 197         wxSetCursor(wxNullCursor);
 198     }
 199 }
 200
 201 // true if we're between the above two calls
 202 bool wxIsBusy()
 203 {
 204     return (gs_wxBusyCursorCount > 0);
 205 }
 206
 207 bool wxGetKeyState (wxKeyCode key)
 208 {
 209     return false;
 210 }
 211
 212 wxBitmap wxWindowDCImpl::DoGetAsBitmap(const wxRect *subrect) const
 213 {
 214     // wxScreenDC is derived from wxWindowDC, so a screen dc will
 215     // call this method when a Blit is performed with it as a source.
 216     if (!m_window)
 217         return wxNullBitmap;
 218
 219     wxSize sz = m_window->GetSize();
 220
 221     int left = subrect != NULL ? subrect->x : 0 ;
 222     int top = subrect != NULL ? subrect->y : 0 ;
 223     int width = subrect != NULL ? subrect->width : sz.x;
 224     int height = subrect !=  NULL ? subrect->height : sz.y ;
 225
 226     wxBitmap bmp = wxBitmap(width, height, 32);
 227
 228     CGContextRef context = (CGContextRef)bmp.GetHBITMAP();
 229
 230     CGContextSaveGState(context);
 231
 232
 233     CGContextTranslateCTM( context, 0,  height );
 234     CGContextScaleCTM( context, 1, -1 );
 235
 236     if ( subrect )
 237         CGContextTranslateCTM( context, -subrect->x, -subrect->y ) ;
 238
 239     UIGraphicsPushContext(context);
 240     [ (NSView*) m_window->GetHandle() drawRect:CGRectMake(left, top, width, height ) ];
 241     UIGraphicsPopContext();
 242     CGContextRestoreGState(context);
 243
 244     return bmp;
 245 }
 246
 247 #endif // wxUSE_GUI
 248
 249 wxOperatingSystemId wxGetOsVersion(int *verMaj, int *verMin)
 250 {
 251     // get OS version
 252     int major, minor;
 253
 254     wxString release = wxCFStringRef( [ [UIDevice currentDevice] systemVersion] ).AsString() ;
 255
 256     if ( release.empty() ||
 257          wxSscanf(release.c_str(), wxT("%d.%d"), &major, &minor) != 2 )
 258     {
 259         // failed to get version string or unrecognized format
 260         major =
 261         minor = -1;
 262     }
 263
 264     if ( verMaj )
 265         *verMaj = major;
 266     if ( verMin )
 267         *verMin = minor;
 268
 269     return wxOS_MAC_OSX_DARWIN;
 270 }
 271
 272 wxString wxGetOsDescription()
 273 {
 274     wxString release = wxCFStringRef( [ [UIDevice currentDevice] systemName] ).AsString() ;
 275
 276     return release;
 277 }
 278
 279
 280 #endif // wxOSX_USE_IPHONE