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     const char* appname = "app";
  81     UIApplicationMain( 1, (char**) &appname, nil, @"wxAppDelegate" );
  82     return 1;
  83 }
  84
  85 bool wxApp::DoInitGui()
  86 {
  87     return true;
  88 }
  89
  90 void wxApp::DoCleanUp()
  91 {
  92 }
  93
  94 void wxMacWakeUp()
  95 {
  96     // TODO
  97 }
  98
  99 #endif // wxUSE_BASE
 100
 101 #if wxUSE_GUI
 102
 103 // TODO : reorganize
 104
 105 extern wxFont* CreateNormalFont()
 106 {
 107     return new wxFont([UIFont systemFontSize] , wxSWISS, wxNORMAL, wxNORMAL, FALSE, "Helvetica" );
 108 }
 109
 110 extern wxFont* CreateSmallFont()
 111 {
 112     return new wxFont([UIFont smallSystemFontSize] , wxSWISS, wxNORMAL, wxNORMAL, FALSE, "Helvetica" );
 113 }
 114
 115 extern UIFont* CreateUIFont( const wxFont& font )
 116 {
 117     return [UIFont fontWithName:wxCFStringRef(font.GetFaceName() ).AsNSString() size:font.GetPointSize()];
 118 }
 119
 120 extern void DrawTextInContext( CGContextRef context, CGPoint where, UIFont *font, NSString* text )
 121 {
 122     bool contextChanged = ( UIGraphicsGetCurrentContext() != context );
 123     if ( contextChanged )
 124         UIGraphicsPushContext(context);
 125
 126     [text drawAtPoint:where withFont:font];
 127
 128     if ( contextChanged )
 129         UIGraphicsPopContext();
 130 }
 131
 132 extern CGSize MeasureTextInContext( UIFont *font, NSString* text )
 133 {
 134     return  [text sizeWithFont:font];
 135 }
 136
 137 void wxClientDisplayRect(int *x, int *y, int *width, int *height)
 138 {
 139     CGRect r = [[UIScreen mainScreen] applicationFrame];
 140     CGRect bounds = [[UIScreen mainScreen] bounds];
 141     if ( bounds.size.height > r.size.height )
 142     {
 143         // portrait
 144         if ( x )
 145             *x = r.origin.x;
 146         if ( y )
 147             *y = r.origin.y;
 148         if ( width )
 149             *width = r.size.width;
 150         if ( height )
 151             *height = r.size.height;
 152     }
 153     else
 154     {
 155         // landscape
 156         if ( x )
 157             *x = r.origin.y;
 158         if ( y )
 159             *y = r.origin.x;
 160         if ( width )
 161             *width = r.size.height;
 162         if ( height )
 163             *height = r.size.width;
 164     }
 165 }
 166
 167 void wxGetMousePosition( int* x, int* y )
 168 {
 169 //    wxPoint pt = wxFromNSPoint(NULL, [NSEvent mouseLocation]);
 170 };
 171
 172 // Returns depth of screen
 173 int wxDisplayDepth()
 174 {
 175     return 32; // TODO can we determine this ?
 176 }
 177
 178 // Get size of display
 179 void wxDisplaySize(int *width, int *height)
 180 {
 181     CGRect r = [[UIScreen mainScreen] applicationFrame];
 182     CGRect bounds = [[UIScreen mainScreen] bounds];
 183
 184     if ( bounds.size.height > r.size.height )
 185     {
 186         // portrait
 187         if ( width )
 188             *width = (int)bounds.size.width ;
 189         if ( height )
 190             *height = (int)bounds.size.height;
 191     }
 192     else
 193     {
 194         // landscape
 195         if ( width )
 196             *width = (int)bounds.size.height ;
 197         if ( height )
 198             *height = (int)bounds.size.width;
 199     }
 200 }
 201
 202 wxTimerImpl* wxGUIAppTraits::CreateTimerImpl(wxTimer *timer)
 203 {
 204     return new wxOSXTimerImpl(timer);
 205 }
 206
 207 int gs_wxBusyCursorCount = 0;
 208 extern wxCursor    gMacCurrentCursor;
 209 wxCursor        gMacStoredActiveCursor;
 210
 211 // Set the cursor to the busy cursor for all windows
 212 void wxBeginBusyCursor(const wxCursor *cursor)
 213 {
 214     if (gs_wxBusyCursorCount++ == 0)
 215     {
 216         gMacStoredActiveCursor = gMacCurrentCursor;
 217         cursor->MacInstall();
 218
 219         wxSetCursor(*cursor);
 220     }
 221     //else: nothing to do, already set
 222 }
 223
 224 // Restore cursor to normal
 225 void wxEndBusyCursor()
 226 {
 227     wxCHECK_RET( gs_wxBusyCursorCount > 0,
 228         wxT("no matching wxBeginBusyCursor() for wxEndBusyCursor()") );
 229
 230     if (--gs_wxBusyCursorCount == 0)
 231     {
 232         gMacStoredActiveCursor.MacInstall();
 233         gMacStoredActiveCursor = wxNullCursor;
 234
 235         wxSetCursor(wxNullCursor);
 236     }
 237 }
 238
 239 // true if we're between the above two calls
 240 bool wxIsBusy()
 241 {
 242     return (gs_wxBusyCursorCount > 0);
 243 }
 244
 245 bool wxGetKeyState (wxKeyCode key)
 246 {
 247     return false;
 248 }
 249
 250 wxBitmap wxWindowDCImpl::DoGetAsBitmap(const wxRect *subrect) const
 251 {
 252     // wxScreenDC is derived from wxWindowDC, so a screen dc will
 253     // call this method when a Blit is performed with it as a source.
 254     if (!m_window)
 255         return wxNullBitmap;
 256
 257     wxSize sz = m_window->GetSize();
 258
 259     int left = subrect != NULL ? subrect->x : 0 ;
 260     int top = subrect != NULL ? subrect->y : 0 ;
 261     int width = subrect != NULL ? subrect->width : sz.x;
 262     int height = subrect !=  NULL ? subrect->height : sz.y ;
 263
 264     wxBitmap bmp = wxBitmap(width, height, 32);
 265
 266     CGContextRef context = (CGContextRef)bmp.GetHBITMAP();
 267
 268     CGContextSaveGState(context);
 269
 270
 271     CGContextTranslateCTM( context, 0,  height );
 272     CGContextScaleCTM( context, 1, -1 );
 273
 274     if ( subrect )
 275         CGContextTranslateCTM( context, -subrect->x, -subrect->y ) ;
 276
 277     UIGraphicsPushContext(context);
 278     [ (NSView*) m_window->GetHandle() drawRect:CGRectMake(left, top, width, height ) ];
 279     UIGraphicsPopContext();
 280     CGContextRestoreGState(context);
 281
 282     return bmp;
 283 }
 284
 285 #endif // wxUSE_GUI
 286
 287 wxOperatingSystemId wxGetOsVersion(int *verMaj, int *verMin)
 288 {
 289     // get OS version
 290     int major, minor;
 291
 292     wxString release = wxCFStringRef( wxCFRetain( [ [UIDevice currentDevice] systemVersion] ) ).AsString() ;
 293
 294     if ( release.empty() ||
 295         // TODO use wx method
 296          scanf(release.c_str(), wxT("%d.%d"), &major, &minor) != 2 )
 297     {
 298         // failed to get version string or unrecognized format
 299         major =
 300         minor = -1;
 301     }
 302
 303     if ( verMaj )
 304         *verMaj = major;
 305     if ( verMin )
 306         *verMin = minor;
 307
 308     return wxOS_MAC_OSX_DARWIN;
 309 }
 310
 311 wxString wxGetOsDescription()
 312 {
 313     wxString release = wxCFStringRef( wxCFRetain([ [UIDevice currentDevice] systemName] )).AsString() ;
 314
 315     return release;
 316 }
 317
 318
 319 #endif // wxOSX_USE_IPHONE