3754265e32
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@28549 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
120 lines
3.1 KiB
C++
120 lines
3.1 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: gtk/evtloop.cpp
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// Purpose: implements wxEventLoop for GTK+
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// Author: Vadim Zeitlin
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// Modified by:
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// Created: 10.07.01
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// RCS-ID: $Id$
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// Copyright: (c) 2001 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
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// License: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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// ============================================================================
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// declarations
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// ============================================================================
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
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#pragma implementation "evtloop.h"
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#endif
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// For compilers that support precompilation, includes "wx.h".
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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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#endif //WX_PRECOMP
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#include "wx/evtloop.h"
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#include <gtk/gtk.h>
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// ----------------------------------------------------------------------------
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// wxEventLoopImpl
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// ----------------------------------------------------------------------------
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class WXDLLEXPORT wxEventLoopImpl
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{
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public:
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// ctor
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wxEventLoopImpl() { SetExitCode(0); }
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// set/get the exit code
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void SetExitCode(int exitcode) { m_exitcode = exitcode; }
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int GetExitCode() const { return m_exitcode; }
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private:
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// the exit code of the event loop
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int m_exitcode;
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};
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// ============================================================================
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// wxEventLoop implementation
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// ============================================================================
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// ----------------------------------------------------------------------------
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// wxEventLoop running and exiting
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// ----------------------------------------------------------------------------
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wxEventLoop *wxEventLoopBase::ms_activeLoop = NULL;
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wxEventLoop::~wxEventLoop()
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{
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wxASSERT_MSG( !m_impl, _T("should have been deleted in Run()") );
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}
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int wxEventLoop::Run()
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{
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// event loops are not recursive, you need to create another loop!
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wxCHECK_MSG( !IsRunning(), -1, _T("can't reenter a message loop") );
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wxEventLoop *oldLoop = ms_activeLoop;
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ms_activeLoop = this;
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m_impl = new wxEventLoopImpl;
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gtk_main();
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int exitcode = m_impl->GetExitCode();
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delete m_impl;
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m_impl = NULL;
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ms_activeLoop = oldLoop;
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return exitcode;
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}
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void wxEventLoop::Exit(int rc)
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{
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wxCHECK_RET( IsRunning(), _T("can't call Exit() if not running") );
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m_impl->SetExitCode(rc);
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gtk_main_quit();
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}
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// ----------------------------------------------------------------------------
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// wxEventLoop message processing dispatching
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// ----------------------------------------------------------------------------
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bool wxEventLoop::Pending() const
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{
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return gtk_events_pending() > 0;
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}
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bool wxEventLoop::Dispatch()
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{
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wxCHECK_MSG( IsRunning(), FALSE, _T("can't call Dispatch() if not running") );
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gtk_main_iteration();
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return TRUE;
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}
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