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 #if 0
 140     CGRect r = [[UIScreen mainScreen] applicationFrame];
 141     CGRect bounds = [[UIScreen mainScreen] bounds];
 142     if ( bounds.size.height > r.size.height )
 143     {
 144         // portrait
 145         if ( x )
 146             *x = r.origin.x;
 147         if ( y )
 148             *y = r.origin.y;
 149         if ( width )
 150             *width = r.size.width;
 151         if ( height )
 152             *height = r.size.height;
 153     }
 154     else
 155     {
 156         // landscape
 157         if ( x )
 158             *x = r.origin.y;
 159         if ( y )
 160             *y = r.origin.x;
 161         if ( width )
 162             *width = r.size.height;
 163         if ( height )
 164             *height = r.size.width;
 165     }
 166 #else
 167     // it's easier to treat the status bar as an element of the toplevel window
 168     // instead of the desktop in order to support easy rotation
 169     if ( x )
 170         *x = 0;
 171     if ( y )
 172         *y = 0;
 173     wxDisplaySize(width, height);
 174 #endif
 175 }
 176
 177 void wxGetMousePosition( int* x, int* y )
 178 {
 179 //    wxPoint pt = wxFromNSPoint(NULL, [NSEvent mouseLocation]);
 180 };
 181
 182 // Returns depth of screen
 183 int wxDisplayDepth()
 184 {
 185     return 32; // TODO can we determine this ?
 186 }
 187
 188 // Get size of display
 189 void wxDisplaySize(int *width, int *height)
 190 {
 191     CGRect r = [[UIScreen mainScreen] applicationFrame];
 192     CGRect bounds = [[UIScreen mainScreen] bounds];
 193
 194     if ( bounds.size.height > r.size.height )
 195     {
 196         // portrait
 197         if ( width )
 198             *width = (int)bounds.size.width ;
 199         if ( height )
 200             *height = (int)bounds.size.height;
 201     }
 202     else
 203     {
 204         // landscape
 205         if ( width )
 206             *width = (int)bounds.size.height ;
 207         if ( height )
 208             *height = (int)bounds.size.width;
 209     }
 210 }
 211
 212 wxTimerImpl* wxGUIAppTraits::CreateTimerImpl(wxTimer *timer)
 213 {
 214     return new wxOSXTimerImpl(timer);
 215 }
 216
 217 int gs_wxBusyCursorCount = 0;
 218 extern wxCursor    gMacCurrentCursor;
 219 wxCursor        gMacStoredActiveCursor;
 220
 221 // Set the cursor to the busy cursor for all windows
 222 void wxBeginBusyCursor(const wxCursor *cursor)
 223 {
 224     if (gs_wxBusyCursorCount++ == 0)
 225     {
 226         gMacStoredActiveCursor = gMacCurrentCursor;
 227         cursor->MacInstall();
 228
 229         wxSetCursor(*cursor);
 230     }
 231     //else: nothing to do, already set
 232 }
 233
 234 // Restore cursor to normal
 235 void wxEndBusyCursor()
 236 {
 237     wxCHECK_RET( gs_wxBusyCursorCount > 0,
 238         wxT("no matching wxBeginBusyCursor() for wxEndBusyCursor()") );
 239
 240     if (--gs_wxBusyCursorCount == 0)
 241     {
 242         gMacStoredActiveCursor.MacInstall();
 243         gMacStoredActiveCursor = wxNullCursor;
 244
 245         wxSetCursor(wxNullCursor);
 246     }
 247 }
 248
 249 // true if we're between the above two calls
 250 bool wxIsBusy()
 251 {
 252     return (gs_wxBusyCursorCount > 0);
 253 }
 254
 255 bool wxGetKeyState (wxKeyCode key)
 256 {
 257     return false;
 258 }
 259
 260 wxBitmap wxWindowDCImpl::DoGetAsBitmap(const wxRect *subrect) const
 261 {
 262     // wxScreenDC is derived from wxWindowDC, so a screen dc will
 263     // call this method when a Blit is performed with it as a source.
 264     if (!m_window)
 265         return wxNullBitmap;
 266
 267     wxSize sz = m_window->GetSize();
 268
 269     int left = subrect != NULL ? subrect->x : 0 ;
 270     int top = subrect != NULL ? subrect->y : 0 ;
 271     int width = subrect != NULL ? subrect->width : sz.x;
 272     int height = subrect !=  NULL ? subrect->height : sz.y ;
 273
 274     wxBitmap bmp = wxBitmap(width, height, 32);
 275
 276     CGContextRef context = (CGContextRef)bmp.GetHBITMAP();
 277
 278     CGContextSaveGState(context);
 279
 280
 281     CGContextTranslateCTM( context, 0,  height );
 282     CGContextScaleCTM( context, 1, -1 );
 283
 284     if ( subrect )
 285         CGContextTranslateCTM( context, -subrect->x, -subrect->y ) ;
 286
 287     UIGraphicsPushContext(context);
 288     [ (NSView*) m_window->GetHandle() drawRect:CGRectMake(left, top, width, height ) ];
 289     UIGraphicsPopContext();
 290     CGContextRestoreGState(context);
 291
 292     return bmp;
 293 }
 294
 295 #endif // wxUSE_GUI
 296
 297 wxOperatingSystemId wxGetOsVersion(int *verMaj, int *verMin)
 298 {
 299     // get OS version
 300     int major, minor;
 301
 302     wxString release = wxCFStringRef( wxCFRetain( [ [UIDevice currentDevice] systemVersion] ) ).AsString() ;
 303
 304     if ( release.empty() ||
 305         // TODO use wx method
 306          scanf(release.c_str(), wxT("%d.%d"), &major, &minor) != 2 )
 307     {
 308         // failed to get version string or unrecognized format
 309         major =
 310         minor = -1;
 311     }
 312
 313     if ( verMaj )
 314         *verMaj = major;
 315     if ( verMin )
 316         *verMin = minor;
 317
 318     return wxOS_MAC_OSX_DARWIN;
 319 }
 320
 321 wxString wxGetOsDescription()
 322 {
 323     wxString release = wxCFStringRef( wxCFRetain([ [UIDevice currentDevice] systemName] )).AsString() ;
 324
 325     return release;
 326 }
 327
 328
 329 #endif // wxOSX_USE_IPHONE