src/osx/iphone/utils.mm

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/iphone/utils.mm
   3 // Purpose:     various cocoa utility functions
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   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 1 // wxUSE_BASE
  41
  42 // ----------------------------------------------------------------------------
  43 // Common Event Support
  44 // ----------------------------------------------------------------------------
  45
  46 @interface wxAppDelegate : NSObject <UIApplicationDelegate> {
  47 }
  48
  49 @end
  50
  51 @implementation wxAppDelegate
  52
  53 - (void)applicationDidFinishLaunching:(UIApplication *)application {
  54         wxTheApp->OnInit();
  55 }
  56
  57 - (void)applicationWillTerminate:(UIApplication *)application {
  58     wxCloseEvent event;
  59     wxTheApp->OnEndSession(event);
  60 }
  61
  62 - (void)dealloc {
  63         [super dealloc];
  64 }
  65
  66
  67 @end
  68
  69 bool wxApp::CallOnInit()
  70 {
  71     return true;
  72 }
  73
  74 bool wxApp::DoInitGui()
  75 {
  76     return true;
  77 }
  78
  79 void wxApp::DoCleanUp()
  80 {
  81 }
  82
  83 #endif // wxUSE_BASE
  84
  85 #if wxUSE_GUI
  86
  87 // Emit a beeeeeep
  88 void wxBell()
  89 {
  90     // would be kSystemSoundID_UserPreferredAlert but since the headers aren't correct, add it manually
  91     AudioServicesPlayAlertSound(0x00001000 );
  92 }
  93
  94 // ----------------------------------------------------------------------------
  95 // Launch default browser
  96 // ----------------------------------------------------------------------------
  97
  98 bool wxDoLaunchDefaultBrowser(const wxString& url, int flags)
  99 {
 100     return [[UIApplication sharedApplication] openURL:[NSURL URLWithString:wxCFStringRef(url).AsNSString()]]
 101         == YES;
 102 }
 103
 104 // TODO : reorganize
 105
 106 extern wxFont* CreateNormalFont()
 107 {
 108     return new wxFont([UIFont systemFontSize] , wxSWISS, wxNORMAL, wxNORMAL, FALSE, "Helvetica" );
 109 }
 110
 111 extern wxFont* CreateSmallFont()
 112 {
 113     return new wxFont([UIFont smallSystemFontSize] , wxSWISS, wxNORMAL, wxNORMAL, FALSE, "Helvetica" );
 114 }
 115
 116 extern UIFont* CreateUIFont( const wxFont& font )
 117 {
 118     return [UIFont fontWithName:wxCFStringRef(font.GetFaceName() ).AsNSString() size:font.GetPointSize()];
 119 }
 120
 121 CFArrayRef CopyAvailableFontFamilyNames()
 122 {
 123     return (CFArrayRef) [[UIFont familyNames] retain];
 124 }
 125
 126 extern void DrawTextInContext( CGContextRef context, CGPoint where, UIFont *font, NSString* text )
 127 {
 128     bool contextChanged = ( UIGraphicsGetCurrentContext() != context );
 129     if ( contextChanged )
 130         UIGraphicsPushContext(context);
 131
 132     [text drawAtPoint:where withFont:font];
 133
 134     if ( contextChanged )
 135         UIGraphicsPopContext();
 136 }
 137
 138 extern CGSize MeasureTextInContext( UIFont *font, NSString* text )
 139 {
 140     return  [text sizeWithFont:font];
 141 }
 142
 143 void wxClientDisplayRect(int *x, int *y, int *width, int *height)
 144 {
 145 #if 0
 146     CGRect r = [[UIScreen mainScreen] applicationFrame];
 147     CGRect bounds = [[UIScreen mainScreen] bounds];
 148     if ( bounds.size.height > r.size.height )
 149     {
 150         // portrait
 151         if ( x )
 152             *x = r.origin.x;
 153         if ( y )
 154             *y = r.origin.y;
 155         if ( width )
 156             *width = r.size.width;
 157         if ( height )
 158             *height = r.size.height;
 159     }
 160     else
 161     {
 162         // landscape
 163         if ( x )
 164             *x = r.origin.y;
 165         if ( y )
 166             *y = r.origin.x;
 167         if ( width )
 168             *width = r.size.height;
 169         if ( height )
 170             *height = r.size.width;
 171     }
 172 #else
 173     // it's easier to treat the status bar as an element of the toplevel window
 174     // instead of the desktop in order to support easy rotation
 175     if ( x )
 176         *x = 0;
 177     if ( y )
 178         *y = 0;
 179     wxDisplaySize(width, height);
 180 #endif
 181 }
 182
 183 void wxGetMousePosition( int* x, int* y )
 184 {
 185     if ( x )
 186         *x = 0;
 187     if ( y )
 188         *y = 0;
 189 };
 190
 191 wxMouseState wxGetMouseState()
 192 {
 193     wxMouseState ms;
 194     return ms;
 195 }
 196
 197 // Returns depth of screen
 198 int wxDisplayDepth()
 199 {
 200     return 32; // TODO can we determine this ?
 201 }
 202
 203 // Get size of display
 204 void wxDisplaySize(int *width, int *height)
 205 {
 206     CGRect r = [[UIScreen mainScreen] applicationFrame];
 207     CGRect bounds = [[UIScreen mainScreen] bounds];
 208
 209     if ( UIInterfaceOrientationIsPortrait([[UIApplication sharedApplication] statusBarOrientation]) )
 210     {
 211         // portrait
 212         if ( width )
 213             *width = (int)bounds.size.width ;
 214         if ( height )
 215             *height = (int)bounds.size.height;
 216     }
 217     else
 218     {
 219         // landscape
 220         if ( width )
 221             *width = (int)bounds.size.height ;
 222         if ( height )
 223             *height = (int)bounds.size.width;
 224     }
 225 }
 226
 227 wxTimerImpl* wxGUIAppTraits::CreateTimerImpl(wxTimer *timer)
 228 {
 229     return new wxOSXTimerImpl(timer);
 230 }
 231
 232 int gs_wxBusyCursorCount = 0;
 233 extern wxCursor    gMacCurrentCursor;
 234 wxCursor        gMacStoredActiveCursor;
 235
 236 // Set the cursor to the busy cursor for all windows
 237 void wxBeginBusyCursor(const wxCursor *cursor)
 238 {
 239     if (gs_wxBusyCursorCount++ == 0)
 240     {
 241         gMacStoredActiveCursor = gMacCurrentCursor;
 242         cursor->MacInstall();
 243
 244         wxSetCursor(*cursor);
 245     }
 246     //else: nothing to do, already set
 247 }
 248
 249 // Restore cursor to normal
 250 void wxEndBusyCursor()
 251 {
 252     wxCHECK_RET( gs_wxBusyCursorCount > 0,
 253         wxT("no matching wxBeginBusyCursor() for wxEndBusyCursor()") );
 254
 255     if (--gs_wxBusyCursorCount == 0)
 256     {
 257         gMacStoredActiveCursor.MacInstall();
 258         gMacStoredActiveCursor = wxNullCursor;
 259
 260         wxSetCursor(wxNullCursor);
 261     }
 262 }
 263
 264 // true if we're between the above two calls
 265 bool wxIsBusy()
 266 {
 267     return (gs_wxBusyCursorCount > 0);
 268 }
 269
 270 bool wxGetKeyState (wxKeyCode key)
 271 {
 272     return false;
 273 }
 274
 275 wxBitmap wxWindowDCImpl::DoGetAsBitmap(const wxRect *subrect) const
 276 {
 277     // wxScreenDC is derived from wxWindowDC, so a screen dc will
 278     // call this method when a Blit is performed with it as a source.
 279     if (!m_window)
 280         return wxNullBitmap;
 281
 282     wxSize sz = m_window->GetSize();
 283
 284     int left = subrect != NULL ? subrect->x : 0 ;
 285     int top = subrect != NULL ? subrect->y : 0 ;
 286     int width = subrect != NULL ? subrect->width : sz.x;
 287     int height = subrect !=  NULL ? subrect->height : sz.y ;
 288
 289     wxBitmap bmp = wxBitmap(width, height, 32);
 290
 291     CGContextRef context = (CGContextRef)bmp.GetHBITMAP();
 292
 293     CGContextSaveGState(context);
 294
 295
 296     CGContextTranslateCTM( context, 0,  height );
 297     CGContextScaleCTM( context, 1, -1 );
 298
 299     if ( subrect )
 300         CGContextTranslateCTM( context, -subrect->x, -subrect->y ) ;
 301
 302     UIGraphicsPushContext(context);
 303     [ (NSView*) m_window->GetHandle() drawRect:CGRectMake(left, top, width, height ) ];
 304     UIGraphicsPopContext();
 305     CGContextRestoreGState(context);
 306
 307     return bmp;
 308 }
 309
 310 #endif // wxUSE_GUI
 311
 312 wxOperatingSystemId wxGetOsVersion(int *verMaj, int *verMin)
 313 {
 314     // get OS version
 315     int major, minor;
 316
 317     wxString release = wxCFStringRef( wxCFRetain( [ [UIDevice currentDevice] systemVersion] ) ).AsString() ;
 318
 319     if ( release.empty() ||
 320         // TODO use wx method
 321          scanf(release.c_str(), wxT("%d.%d"), &major, &minor) != 2 )
 322     {
 323         // failed to get version string or unrecognized format
 324         major =
 325         minor = -1;
 326     }
 327
 328     if ( verMaj )
 329         *verMaj = major;
 330     if ( verMin )
 331         *verMin = minor;
 332
 333     return wxOS_MAC_OSX_DARWIN;
 334 }
 335
 336 wxString wxGetOsDescription()
 337 {
 338     wxString release = wxCFStringRef( wxCFRetain([ [UIDevice currentDevice] systemName] )).AsString() ;
 339
 340     return release;
 341 }
 342
 343
 344 #endif // wxOSX_USE_IPHONE