cfb0ef701e
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@63912 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
117 lines
3.2 KiB
C++
117 lines
3.2 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: include/wx/osx/evtloop.h
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// Purpose: simply forwards to wx/mac/carbon/evtloop.h for consistency with
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// the other Mac headers
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// Author: Vadim Zeitlin
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// Modified by:
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// Created: 2006-01-12
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// RCS-ID: $Id$
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// Copyright: (c) 2006 Vadim Zeitlin <vadim@wxwindows.org>
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_OSX_EVTLOOP_H_
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#define _WX_OSX_EVTLOOP_H_
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DECLARE_WXOSX_OPAQUE_CFREF( CFRunLoop );
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DECLARE_WXOSX_OPAQUE_CFREF( CFRunLoopObserver );
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class WXDLLIMPEXP_BASE wxCFEventLoop : public wxEventLoopBase
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{
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public:
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wxCFEventLoop();
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virtual ~wxCFEventLoop();
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// enters a loop calling OnNextIteration(), Pending() and Dispatch() and
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// terminating when Exit() is called
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virtual int Run();
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// sets the "should exit" flag and wakes up the loop so that it terminates
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// soon
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virtual void Exit(int rc = 0);
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// return true if any events are available
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virtual bool Pending() const;
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// dispatch a single event, return false if we should exit from the loop
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virtual bool Dispatch();
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// same as Dispatch() but doesn't wait for longer than the specified (in
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// ms) timeout, return true if an event was processed, false if we should
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// exit the loop or -1 if timeout expired
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virtual int DispatchTimeout(unsigned long timeout);
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// implement this to wake up the loop: usually done by posting a dummy event
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// to it (can be called from non main thread)
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virtual void WakeUp();
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virtual bool YieldFor(long eventsToProcess);
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#if wxUSE_EVENTLOOP_SOURCE
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virtual wxEventLoopSource *
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AddSourceForFD(int fd, wxEventLoopSourceHandler *handler, int flags);
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#endif // wxUSE_EVENTLOOP_SOURCE
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void ObserverCallBack(CFRunLoopObserverRef observer, int activity);
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protected:
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// get the currently executing CFRunLoop
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virtual CFRunLoopRef CFGetCurrentRunLoop() const;
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virtual int DoDispatchTimeout(unsigned long timeout);
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virtual void DoRun();
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virtual void DoStop();
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// should we exit the loop?
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bool m_shouldExit;
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// the loop exit code
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int m_exitcode;
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// cfrunloop
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CFRunLoopRef m_runLoop;
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// runloop observer
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CFRunLoopObserverRef m_runLoopObserver;
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private:
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// process all already pending events and dispatch a new one (blocking
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// until it appears in the event queue if necessary)
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//
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// returns the return value of DoDispatchTimeout()
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int DoProcessEvents();
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};
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#if wxUSE_GUI
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#ifdef __WXOSX_COCOA__
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#include "wx/osx/cocoa/evtloop.h"
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#else
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#include "wx/osx/carbon/evtloop.h"
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#endif
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class WXDLLIMPEXP_FWD_CORE wxWindow;
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class WXDLLIMPEXP_FWD_CORE wxNonOwnedWindow;
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class WXDLLIMPEXP_CORE wxModalEventLoop : public wxGUIEventLoop
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{
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public:
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wxModalEventLoop(wxWindow *modalWindow);
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wxModalEventLoop(WXWindow modalNativeWindow);
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protected:
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virtual void DoRun();
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virtual void DoStop();
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// (in case) the modal window for this event loop
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wxNonOwnedWindow* m_modalWindow;
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WXWindow m_modalNativeWindow;
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};
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#endif // wxUSE_GUI
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#endif // _WX_OSX_EVTLOOP_H_
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