src/osx/iphone/evtloop.mm

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/iphone/evtloop.mm
   3 // Purpose:     implementation of wxEventLoop for OS X
   4 // Author:      Vadim Zeitlin, Stefan Csomor
   5 // Modified by:
   6 // Created:     2006-01-12
   7 // RCS-ID:      $Id: evtloop.cpp 54845 2008-07-30 14:52:41Z SC $
   8 // Copyright:   (c) 2006 Vadim Zeitlin <vadim@wxwindows.org>
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // for compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 #include "wx/evtloop.h"
  28
  29 #ifndef WX_PRECOMP
  30     #include "wx/app.h"
  31 #endif // WX_PRECOMP
  32
  33 #include "wx/log.h"
  34
  35 #include "wx/osx/private.h"
  36
  37 // ============================================================================
  38 // wxEventLoop implementation
  39 // ============================================================================
  40
  41 /*
  42 static int CalculateUIEventMaskFromEventCategory(wxEventCategory cat)
  43 {
  44         NSLeftMouseDownMask     |
  45         NSLeftMouseUpMask |
  46         NSRightMouseDownMask |
  47         NSRightMouseUpMask              = 1 << NSRightMouseUp,
  48         NSMouseMovedMask                = 1 << NSMouseMoved,
  49         NSLeftMouseDraggedMask          = 1 << NSLeftMouseDragged,
  50         NSRightMouseDraggedMask         = 1 << NSRightMouseDragged,
  51         NSMouseEnteredMask              = 1 << NSMouseEntered,
  52         NSMouseExitedMask               = 1 << NSMouseExited,
  53         NSScrollWheelMask               = 1 << NSScrollWheel,
  54 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
  55         NSTabletPointMask               = 1 << NSTabletPoint,
  56         NSTabletProximityMask           = 1 << NSTabletProximity,
  57 #endif
  58         NSOtherMouseDownMask            = 1 << NSOtherMouseDown,
  59         NSOtherMouseUpMask              = 1 << NSOtherMouseUp,
  60         NSOtherMouseDraggedMask         = 1 << NSOtherMouseDragged,
  61
  62
  63
  64         NSKeyDownMask                   = 1 << NSKeyDown,
  65         NSKeyUpMask                     = 1 << NSKeyUp,
  66         NSFlagsChangedMask              = 1 << NSFlagsChanged,
  67
  68         NSAppKitDefinedMask             = 1 << NSAppKitDefined,
  69         NSSystemDefinedMask             = 1 << NSSystemDefined,
  70         UIApplicationDefinedMask        = 1 << UIApplicationDefined,
  71         NSPeriodicMask                  = 1 << NSPeriodic,
  72         NSCursorUpdateMask              = 1 << NSCursorUpdate,
  73
  74         NSAnyEventMask                  = 0xffffffffU
  75 }
  76 */
  77
  78 wxGUIEventLoop::wxGUIEventLoop()
  79 {
  80     m_sleepTime = 0.0;
  81 }
  82
  83 void wxGUIEventLoop::WakeUp()
  84 {
  85     extern void wxMacWakeUp();
  86
  87     wxMacWakeUp();
  88 }
  89
  90 CFRunLoopRef wxGUIEventLoop::CFGetCurrentRunLoop() const
  91 {
  92     return CFRunLoopGetCurrent();
  93 }
  94
  95 bool wxGUIEventLoop::Pending() const
  96 {
  97     wxMacAutoreleasePool autoreleasepool;
  98     // a pointer to the event is returned if there is one, or nil if not
  99     /*
 100     return [[UIApplication sharedApplication]
 101             nextEventMatchingMask: NSAnyEventMask
 102             untilDate: nil
 103             inMode: NSDefaultRunLoopMode
 104             dequeue: NO];
 105     */
 106     return false;
 107 }
 108
 109 bool wxGUIEventLoop::Dispatch()
 110 {
 111     if ( !wxTheApp )
 112         return false;
 113
 114     wxMacAutoreleasePool autoreleasepool;
 115
 116 /*
 117     if(UIEvent *event = [[UIApplication sharedApplication]
 118                 nextEventMatchingMask:NSAnyEventMask
 119                 untilDate:[NSDate dateWithTimeIntervalSinceNow: m_sleepTime]
 120                 inMode:NSDefaultRunLoopMode
 121                 dequeue: YES])
 122     {
 123         m_sleepTime = 0.0;
 124         [[UIApplication sharedApplication] sendEvent: event];
 125     }
 126     else
 127 */
 128     {
 129         if ( wxTheApp->ProcessIdle() )
 130             m_sleepTime = 0.0 ;
 131         else
 132         {
 133             m_sleepTime = 1.0;
 134 #if wxUSE_THREADS
 135             wxMutexGuiLeave();
 136             wxMilliSleep(20);
 137             wxMutexGuiEnter();
 138 #endif
 139         }
 140     }
 141
 142     return true;
 143 }
 144
 145 bool wxGUIEventLoop::YieldFor(long eventsToProcess)
 146 {
 147 #if wxUSE_THREADS
 148     // Yielding from a non-gui thread needs to bail out, otherwise we end up
 149     // possibly sending events in the thread too.
 150     if ( !wxThread::IsMain() )
 151     {
 152         return true;
 153     }
 154 #endif // wxUSE_THREADS
 155
 156     m_isInsideYield = true;
 157     m_eventsToProcessInsideYield = eventsToProcess;
 158
 159 #if wxUSE_LOG
 160     // disable log flushing from here because a call to wxYield() shouldn't
 161     // normally result in message boxes popping up &c
 162     wxLog::Suspend();
 163 #endif // wxUSE_LOG
 164
 165     // process all pending events:
 166     while ( Pending() )
 167         Dispatch();
 168
 169     // it's necessary to call ProcessIdle() to update the frames sizes which
 170     // might have been changed (it also will update other things set from
 171     // OnUpdateUI() which is a nice (and desired) side effect)
 172     while ( ProcessIdle() ) {}
 173
 174 #if wxUSE_LOG
 175     wxLog::Resume();
 176 #endif // wxUSE_LOG
 177     m_isInsideYield = false;
 178
 179     return true;
 180 }
 181
 182 int wxGUIEventLoop::DispatchTimeout(unsigned long timeout)
 183 {
 184     wxMacAutoreleasePool autoreleasepool;
 185 /*
 186     UIEvent *event = [[UIApplication sharedApplication]
 187                 nextEventMatchingMask:NSAnyEventMask
 188                 untilDate:[NSDate dateWithTimeIntervalSinceNow: timeout/1000]
 189                 inMode:NSDefaultRunLoopMode
 190                 dequeue: YES];
 191     if ( !event )
 192         return -1;
 193
 194     [NSApp sendEvent: event];
 195 */
 196     return true;
 197 }