projects / wxWidgets.git / blame
| Commit | Line | Data |
|---|---|---|
| 5cd99866 VZ |
1 | /////////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/osx/core/evtloop_cf.cpp | |
| 3 | // Purpose: wxEventLoop implementation common to both Carbon and Cocoa | |
| 4 | // Author: Vadim Zeitlin | |
| 5 | // Created: 2009-10-18 | |
| 6 | // RCS-ID: $Id: wxhead.cpp,v 1.10 2009-06-29 10:23:04 zeitlin Exp $ | |
| 7 | // Copyright: (c) 2009 Vadim Zeitlin <vadim@wxwidgets.org> | |
| 8 | // Licence: wxWindows licence | |
| 9 | /////////////////////////////////////////////////////////////////////////////// | |
| 10 | ||
| 11 | // ============================================================================ | |
| 12 | // declarations | |
| 13 | // ============================================================================ | |
| 14 | ||
| 15 | // ---------------------------------------------------------------------------- | |
| 16 | // headers | |
| 17 | // ---------------------------------------------------------------------------- | |
| 18 | ||
| 19 | // for compilers that support precompilation, includes "wx.h". | |
| 20 | #include "wx/wxprec.h" | |
| 21 | ||
| 22 | #ifdef __BORLANDC__ | |
| 23 | #pragma hdrstop | |
| 24 | #endif | |
| 25 | ||
| 26 | #include "wx/evtloop.h" | |
| 27 | ||
| 28 | #if wxUSE_EVENTLOOP_SOURCE | |
| 29 | ||
| fe5816f0 VZ |
30 | #ifndef WX_PRECOMP |
| 31 | #include "wx/log.h" | |
| 32 | #endif | |
| 33 | ||
| 5cd99866 VZ |
34 | #include "wx/evtloopsrc.h" |
| 35 | ||
| 36 | #include "wx/scopedptr.h" | |
| 37 | ||
| 38 | #include "wx/osx/private.h" | |
| 39 | #include "wx/osx/core/cfref.h" | |
| 40 | ||
| 41 | // ============================================================================ | |
| 42 | // wxCFEventLoopSource and wxCFEventLoop implementation | |
| 43 | // ============================================================================ | |
| 44 | ||
| 45 | #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5 | |
| 46 | namespace | |
| 47 | { | |
| 48 | ||
| 49 | void EnableDescriptorCallBacks(CFFileDescriptorRef cffd, int flags) | |
| 50 | { | |
| 51 | if ( flags & wxEVENT_SOURCE_INPUT ) | |
| 52 | CFFileDescriptorEnableCallBacks(cffd, kCFFileDescriptorReadCallBack); | |
| 53 | if ( flags & wxEVENT_SOURCE_OUTPUT ) | |
| 54 | CFFileDescriptorEnableCallBacks(cffd, kCFFileDescriptorWriteCallBack); | |
| 55 | } | |
| 56 | ||
| 57 | void | |
| 58 | wx_cffiledescriptor_callback(CFFileDescriptorRef cffd, | |
| 59 | CFOptionFlags flags, | |
| 60 | void *ctxData) | |
| 61 | { | |
| 62 | wxLogTrace(wxTRACE_EVT_SOURCE, | |
| 63 | "CFFileDescriptor callback, flags=%d", flags); | |
| 64 | ||
| 65 | wxCFEventLoopSource * const | |
| 66 | source = static_cast<wxCFEventLoopSource *>(ctxData); | |
| 67 | ||
| 68 | wxEventLoopSourceHandler * const | |
| 69 | handler = source->GetHandler(); | |
| 70 | if ( flags & kCFFileDescriptorReadCallBack ) | |
| 71 | handler->OnReadWaiting(); | |
| 72 | if ( flags & kCFFileDescriptorWriteCallBack ) | |
| 73 | handler->OnWriteWaiting(); | |
| 74 | ||
| 75 | // we need to re-enable callbacks to be called again | |
| 76 | EnableDescriptorCallBacks(cffd, source->GetFlags()); | |
| 77 | } | |
| 78 | ||
| 79 | } // anonymous namespace | |
| 80 | ||
| 81 | wxEventLoopSource * | |
| 82 | wxCFEventLoop::AddSourceForFD(int fd, | |
| 83 | wxEventLoopSourceHandler *handler, | |
| 84 | int flags) | |
| 85 | { | |
| 86 | wxCHECK_MSG( fd != -1, NULL, "can't monitor invalid fd" ); | |
| 87 | ||
| 88 | wxScopedPtr<wxCFEventLoopSource> | |
| 89 | source(new wxCFEventLoopSource(handler, flags)); | |
| 90 | ||
| 91 | CFFileDescriptorContext ctx = { 0, source.get(), NULL, NULL, NULL }; | |
| 92 | wxCFRef<CFFileDescriptorRef> | |
| 93 | cffd(CFFileDescriptorCreate | |
| 94 | ( | |
| 95 | kCFAllocatorDefault, | |
| 96 | fd, | |
| 97 | true, // close on invalidate | |
| 98 | wx_cffiledescriptor_callback, | |
| 99 | &ctx | |
| 100 | )); | |
| 101 | if ( !cffd ) | |
| 102 | return NULL; | |
| 103 | ||
| 104 | source->SetFileDescriptor(cffd.release()); | |
| 105 | ||
| 106 | wxCFRef<CFRunLoopSourceRef> | |
| 107 | cfsrc(CFFileDescriptorCreateRunLoopSource(kCFAllocatorDefault, cffd, 0)); | |
| 108 | if ( !cfsrc ) | |
| 109 | return NULL; | |
| 110 | ||
| 111 | CFRunLoopRef cfloop = CFGetCurrentRunLoop(); | |
| 112 | CFRunLoopAddSource(cfloop, cfsrc, kCFRunLoopDefaultMode); | |
| 113 | ||
| 114 | return source.release(); | |
| 115 | } | |
| 116 | ||
| 117 | void wxCFEventLoopSource::SetFileDescriptor(CFFileDescriptorRef cffd) | |
| 118 | { | |
| 119 | wxASSERT_MSG( !m_cffd, "shouldn't be called more than once" ); | |
| 120 | ||
| 121 | m_cffd = cffd; | |
| 122 | } | |
| 123 | ||
| 124 | wxCFEventLoopSource::~wxCFEventLoopSource() | |
| 125 | { | |
| 126 | if ( m_cffd ) | |
| 127 | CFRelease(m_cffd); | |
| 128 | } | |
| 129 | ||
| 130 | #else // OS X < 10.5 | |
| 131 | ||
| 132 | wxEventLoopSource * | |
| 133 | wxCFEventLoop::AddSourceForFD(int WXUNUSED(fd), | |
| 134 | wxEventLoopSourceHandler * WXUNUSED(handler), | |
| 135 | int WXUNUSED(flags)) | |
| 136 | { | |
| 137 | return NULL; | |
| 138 | } | |
| 139 | ||
| 140 | #endif // MAC_OS_X_VERSION_MAX_ALLOWED | |
| 141 | ||
| 142 | #endif // wxUSE_EVENTLOOP_SOURCE |