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d14efe561b
long become wxWidgets 2.9.2, which in turn is expected to be the last 2.9 release before the 3.0 stable release. Since the full wxWidgets distribution is rather large, I have imported only the parts that we use, on a subdirectory basis: art include/wx/*.* include/wx/aui include/wx/cocoa include/wx/generic include/wx/gtk include/wx/meta include/wx/msw include/wx/osx include/wx/persist include/wx/private include/wx/protocol include/wx/unix src/aui src/common src/generic src/gtk src/msw src/osx src/unix git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@7380 8ced0084-cf51-0410-be5f-012b33b47a6e
101 lines
2.5 KiB
C++
101 lines
2.5 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: src/unix/appunix.cpp
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// Purpose: wxAppConsole with wxMainLoop implementation
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// Author: Lukasz Michalski
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// Created: 28/01/2005
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// RCS-ID: $Id: appunix.cpp 67254 2011-03-20 00:14:35Z DS $
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// Copyright: (c) Lukasz Michalski
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#ifndef WX_PRECOMP
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#include "wx/app.h"
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#include "wx/log.h"
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#endif
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#include "wx/evtloop.h"
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#include <signal.h>
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#include <unistd.h>
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#ifndef SA_RESTART
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// don't use for systems which don't define it (at least VMS and QNX)
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#define SA_RESTART 0
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#endif
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// use unusual names for arg[cv] to avoid clashes with wxApp members with the
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// same names
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bool wxAppConsole::Initialize(int& argc_, wxChar** argv_)
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{
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if ( !wxAppConsoleBase::Initialize(argc_, argv_) )
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return false;
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sigemptyset(&m_signalsCaught);
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return true;
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}
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void wxAppConsole::HandleSignal(int signal)
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{
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wxAppConsole * const app = wxTheApp;
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if ( !app )
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return;
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sigaddset(&(app->m_signalsCaught), signal);
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app->WakeUpIdle();
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}
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void wxAppConsole::CheckSignal()
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{
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for ( SignalHandlerHash::iterator it = m_signalHandlerHash.begin();
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it != m_signalHandlerHash.end();
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++it )
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{
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int sig = it->first;
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if ( sigismember(&m_signalsCaught, sig) )
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{
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sigdelset(&m_signalsCaught, sig);
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(it->second)(sig);
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}
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}
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}
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// the type of the signal handlers we use is "void(*)(int)" while the real
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// signal handlers are extern "C" and so have incompatible type and at least
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// Sun CC warns about it, so use explicit casts to suppress these warnings as
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// they should be harmless
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extern "C"
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{
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typedef void (*SignalHandler_t)(int);
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}
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bool wxAppConsole::SetSignalHandler(int signal, SignalHandler handler)
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{
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const bool install = (SignalHandler_t)handler != SIG_DFL &&
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(SignalHandler_t)handler != SIG_IGN;
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struct sigaction sa;
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memset(&sa, 0, sizeof(sa));
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sa.sa_handler = (SignalHandler_t)&wxAppConsole::HandleSignal;
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sa.sa_flags = SA_RESTART;
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int res = sigaction(signal, &sa, 0);
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if ( res != 0 )
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{
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wxLogSysError(_("Failed to install signal handler"));
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return false;
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}
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if ( install )
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m_signalHandlerHash[signal] = handler;
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else
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m_signalHandlerHash.erase(signal);
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return true;
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}
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