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 // 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 - (void)applicationWillTerminate:(UIApplication *)application {
  65     wxCloseEvent event;
  66     wxTheApp->OnEndSession(event);
  67 }
  68
  69 - (void)dealloc {
  70         [super dealloc];
  71 }
  72
  73
  74 @end
  75
  76 bool wxApp::CallOnInit()
  77 {
  78     return true;
  79 }
  80
  81 bool wxApp::DoInitGui()
  82 {
  83     return true;
  84 }
  85
  86 void wxApp::DoCleanUp()
  87 {
  88 }
  89
  90 #endif // wxUSE_BASE
  91
  92 #if wxUSE_GUI
  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 extern void DrawTextInContext( CGContextRef context, CGPoint where, UIFont *font, NSString* text )
 122 {
 123     bool contextChanged = ( UIGraphicsGetCurrentContext() != context );
 124     if ( contextChanged )
 125         UIGraphicsPushContext(context);
 126
 127     [text drawAtPoint:where withFont:font];
 128
 129     if ( contextChanged )
 130         UIGraphicsPopContext();
 131 }
 132
 133 extern CGSize MeasureTextInContext( UIFont *font, NSString* text )
 134 {
 135     return  [text sizeWithFont:font];
 136 }
 137
 138 void wxClientDisplayRect(int *x, int *y, int *width, int *height)
 139 {
 140 #if 0
 141     CGRect r = [[UIScreen mainScreen] applicationFrame];
 142     CGRect bounds = [[UIScreen mainScreen] bounds];
 143     if ( bounds.size.height > r.size.height )
 144     {
 145         // portrait
 146         if ( x )
 147             *x = r.origin.x;
 148         if ( y )
 149             *y = r.origin.y;
 150         if ( width )
 151             *width = r.size.width;
 152         if ( height )
 153             *height = r.size.height;
 154     }
 155     else
 156     {
 157         // landscape
 158         if ( x )
 159             *x = r.origin.y;
 160         if ( y )
 161             *y = r.origin.x;
 162         if ( width )
 163             *width = r.size.height;
 164         if ( height )
 165             *height = r.size.width;
 166     }
 167 #else
 168     // it's easier to treat the status bar as an element of the toplevel window
 169     // instead of the desktop in order to support easy rotation
 170     if ( x )
 171         *x = 0;
 172     if ( y )
 173         *y = 0;
 174     wxDisplaySize(width, height);
 175 #endif
 176 }
 177
 178 void wxGetMousePosition( int* x, int* y )
 179 {
 180     if ( x )
 181         *x = 0;
 182     if ( y )
 183         *y = 0;
 184 };
 185
 186 wxMouseState wxGetMouseState()
 187 {
 188     wxMouseState ms;
 189     return ms;
 190 }
 191
 192 // Returns depth of screen
 193 int wxDisplayDepth()
 194 {
 195     return 32; // TODO can we determine this ?
 196 }
 197
 198 // Get size of display
 199 void wxDisplaySize(int *width, int *height)
 200 {
 201     CGRect r = [[UIScreen mainScreen] applicationFrame];
 202     CGRect bounds = [[UIScreen mainScreen] bounds];
 203
 204     if ( UIInterfaceOrientationIsPortrait([[UIApplication sharedApplication] statusBarOrientation]) )
 205     {
 206         // portrait
 207         if ( width )
 208             *width = (int)bounds.size.width ;
 209         if ( height )
 210             *height = (int)bounds.size.height;
 211     }
 212     else
 213     {
 214         // landscape
 215         if ( width )
 216             *width = (int)bounds.size.height ;
 217         if ( height )
 218             *height = (int)bounds.size.width;
 219     }
 220 }
 221
 222 wxTimerImpl* wxGUIAppTraits::CreateTimerImpl(wxTimer *timer)
 223 {
 224     return new wxOSXTimerImpl(timer);
 225 }
 226
 227 int gs_wxBusyCursorCount = 0;
 228 extern wxCursor    gMacCurrentCursor;
 229 wxCursor        gMacStoredActiveCursor;
 230
 231 // Set the cursor to the busy cursor for all windows
 232 void wxBeginBusyCursor(const wxCursor *cursor)
 233 {
 234     if (gs_wxBusyCursorCount++ == 0)
 235     {
 236         gMacStoredActiveCursor = gMacCurrentCursor;
 237         cursor->MacInstall();
 238
 239         wxSetCursor(*cursor);
 240     }
 241     //else: nothing to do, already set
 242 }
 243
 244 // Restore cursor to normal
 245 void wxEndBusyCursor()
 246 {
 247     wxCHECK_RET( gs_wxBusyCursorCount > 0,
 248         wxT("no matching wxBeginBusyCursor() for wxEndBusyCursor()") );
 249
 250     if (--gs_wxBusyCursorCount == 0)
 251     {
 252         gMacStoredActiveCursor.MacInstall();
 253         gMacStoredActiveCursor = wxNullCursor;
 254
 255         wxSetCursor(wxNullCursor);
 256     }
 257 }
 258
 259 // true if we're between the above two calls
 260 bool wxIsBusy()
 261 {
 262     return (gs_wxBusyCursorCount > 0);
 263 }
 264
 265 bool wxGetKeyState (wxKeyCode key)
 266 {
 267     return false;
 268 }
 269
 270 wxBitmap wxWindowDCImpl::DoGetAsBitmap(const wxRect *subrect) const
 271 {
 272     // wxScreenDC is derived from wxWindowDC, so a screen dc will
 273     // call this method when a Blit is performed with it as a source.
 274     if (!m_window)
 275         return wxNullBitmap;
 276
 277     wxSize sz = m_window->GetSize();
 278
 279     int left = subrect != NULL ? subrect->x : 0 ;
 280     int top = subrect != NULL ? subrect->y : 0 ;
 281     int width = subrect != NULL ? subrect->width : sz.x;
 282     int height = subrect !=  NULL ? subrect->height : sz.y ;
 283
 284     wxBitmap bmp = wxBitmap(width, height, 32);
 285
 286     CGContextRef context = (CGContextRef)bmp.GetHBITMAP();
 287
 288     CGContextSaveGState(context);
 289
 290
 291     CGContextTranslateCTM( context, 0,  height );
 292     CGContextScaleCTM( context, 1, -1 );
 293
 294     if ( subrect )
 295         CGContextTranslateCTM( context, -subrect->x, -subrect->y ) ;
 296
 297     UIGraphicsPushContext(context);
 298     [ (NSView*) m_window->GetHandle() drawRect:CGRectMake(left, top, width, height ) ];
 299     UIGraphicsPopContext();
 300     CGContextRestoreGState(context);
 301
 302     return bmp;
 303 }
 304
 305 #endif // wxUSE_GUI
 306
 307 wxOperatingSystemId wxGetOsVersion(int *verMaj, int *verMin)
 308 {
 309     // get OS version
 310     int major, minor;
 311
 312     wxString release = wxCFStringRef( wxCFRetain( [ [UIDevice currentDevice] systemVersion] ) ).AsString() ;
 313
 314     if ( release.empty() ||
 315         // TODO use wx method
 316          scanf(release.c_str(), wxT("%d.%d"), &major, &minor) != 2 )
 317     {
 318         // failed to get version string or unrecognized format
 319         major =
 320         minor = -1;
 321     }
 322
 323     if ( verMaj )
 324         *verMaj = major;
 325     if ( verMin )
 326         *verMin = minor;
 327
 328     return wxOS_MAC_OSX_DARWIN;
 329 }
 330
 331 wxString wxGetOsDescription()
 332 {
 333     wxString release = wxCFStringRef( wxCFRetain([ [UIDevice currentDevice] systemName] )).AsString() ;
 334
 335     return release;
 336 }
 337
 338
 339 #endif // wxOSX_USE_IPHONE