70bcb9ac46
This will be used instead of raw events in wxMSW code in the upcoming commit. See #16233. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@76654 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
105 lines
2.5 KiB
C++
105 lines
2.5 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: wx/msw/private/event.h
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// Purpose: Simple Windows 'event object' wrapper.
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// Author: Troelsk, Vadim Zeitlin
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// Created: 2014-05-07
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// Copyright: (c) 2014 wxWidgets team
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_MSW_PRIVATE_EVENT_H_
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#define _WX_MSW_PRIVATE_EVENT_H_
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#include "wx/msw/private.h"
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namespace wxWinAPI
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{
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class Event : public AutoHANDLE<0>
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{
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public:
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enum Kind
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{
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ManualReset,
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AutomaticReset
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};
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enum InitialState
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{
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Signaled,
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Nonsignaled
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};
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Event()
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{
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}
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// Wrappers around {Create,Set,Reset}Event() Windows API functions, with
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// the same semantics.
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bool Create(Kind kind = AutomaticReset,
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InitialState initialState = Nonsignaled,
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const wxChar* name = NULL);
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bool Set();
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bool Reset();
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private:
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wxDECLARE_NO_COPY_CLASS(Event);
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};
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} // namespace wxWinAPI
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// ----------------------------------------------------------------------------
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// Implementations requiring windows.h; these are to moved out-of-line if
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// this class is moved to a public header, or if [parts of] msw/private.h is
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// changed to not depend on windows.h being included.
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// ----------------------------------------------------------------------------
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inline bool
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wxWinAPI::Event::Create(wxWinAPI::Event::Kind kind,
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wxWinAPI::Event::InitialState initialState,
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const wxChar* name)
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{
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wxCHECK_MSG( !IsOk(), false, wxS("Event can't be created twice") );
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WXHANDLE handle = ::CreateEvent(NULL,
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kind == ManualReset,
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initialState == Signaled,
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name);
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if ( !handle )
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{
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wxLogLastError(wxS("CreateEvent"));
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return false;
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}
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m_handle = handle;
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return true;
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}
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inline bool wxWinAPI::Event::Set()
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{
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wxCHECK_MSG( m_handle, false, wxS("Event must be valid") );
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if ( !::SetEvent(m_handle) )
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{
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wxLogLastError(wxS("SetEvent"));
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return false;
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}
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return true;
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}
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inline bool wxWinAPI::Event::Reset()
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{
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wxCHECK_MSG( m_handle, false, wxS("Event must be valid") );
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if ( !::ResetEvent(m_handle) )
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{
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wxLogLastError(wxS("ResetEvent"));
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return false;
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}
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return true;
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}
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#endif // _WX_MSW_PRIVATE_EVENT_H_
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