added untested implementation of wxEvtLoop for GTK+

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10936 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/gtk/evtloop.cpp

@@ -0,0 +1,117 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        gtk/evtloop.cpp
+// Purpose:     implements wxEventLoop for GTK+
+// Author:      Vadim Zeitlin
+// Modified by:
+// Created:     10.07.01
+// RCS-ID:      $Id$
+// Copyright:   (c) 2001 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
+// License:     wxWindows license
+///////////////////////////////////////////////////////////////////////////////
+
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+#ifdef __GNUG__
+    #pragma implementation "evtloop.h"
+#endif
+
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+    #pragma hdrstop
+#endif
+
+#ifndef WX_PRECOMP
+#endif //WX_PRECOMP
+
+#include "wx/evtloop.h"
+
+#include <gtk/gtk.h>
+
+// ----------------------------------------------------------------------------
+// wxEventLoopImpl
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxEventLoopImpl
+{
+public:
+    // ctor
+    wxEventLoopImpl() { SetExitCode(0); }
+
+    // set/get the exit code
+    void SetExitCode(int exitcode) { m_exitcode = exitcode; }
+    int GetExitCode() const { return m_exitcode; }
+
+private:
+    // the exit code of the event loop
+    int m_exitcode;
+};
+
+// ============================================================================
+// wxEventLoop implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// wxEventLoop running and exiting
+// ----------------------------------------------------------------------------
+
+wxEventLoop::~wxEventLoop()
+{
+    wxASSERT_MSG( !m_impl, _T("should have been deleted in Run()") );
+}
+
+bool wxEventLoop::IsRunning() const
+{
+    return m_impl != NULL;
+}
+
+int wxEventLoop::Run()
+{
+    // event loops are not recursive, you need to create another loop!
+    wxCHECK_MSG( !IsRunning(), -1, _T("can't reenter a message loop") );
+
+    m_impl = new wxEventLoopImpl;
+
+    gtk_main();
+
+    int exitcode = m_impl->GetExitCode();
+    delete m_impl;
+    m_impl = NULL;
+
+    return exitcode;
+}
+
+void wxEventLoop::Exit(int rc)
+{
+    wxCHECK_RET( IsRunning(), _T("can't call Exit() if not running") );
+
+    m_impl->SetExitCode(rc);
+
+    gtk_main_quit();
+}
+
+// ----------------------------------------------------------------------------
+// wxEventLoop message processing dispatching
+// ----------------------------------------------------------------------------
+
+bool wxEventLoop::Pending() const
+{
+    return gtk_events_pending() > 0;
+}
+
+bool wxEventLoop::Dispatch()
+{
+    wxCHECK_MSG( IsRunning(), FALSE, _T("can't call Dispatch() if not running") );
+
+    gtk_main_iteration();
+
+    return TRUE;
+}
+

src/gtk1/evtloop.cpp

@@ -0,0 +1,117 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        gtk/evtloop.cpp
+// Purpose:     implements wxEventLoop for GTK+
+// Author:      Vadim Zeitlin
+// Modified by:
+// Created:     10.07.01
+// RCS-ID:      $Id$
+// Copyright:   (c) 2001 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
+// License:     wxWindows license
+///////////////////////////////////////////////////////////////////////////////
+
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+#ifdef __GNUG__
+    #pragma implementation "evtloop.h"
+#endif
+
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+    #pragma hdrstop
+#endif
+
+#ifndef WX_PRECOMP
+#endif //WX_PRECOMP
+
+#include "wx/evtloop.h"
+
+#include <gtk/gtk.h>
+
+// ----------------------------------------------------------------------------
+// wxEventLoopImpl
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxEventLoopImpl
+{
+public:
+    // ctor
+    wxEventLoopImpl() { SetExitCode(0); }
+
+    // set/get the exit code
+    void SetExitCode(int exitcode) { m_exitcode = exitcode; }
+    int GetExitCode() const { return m_exitcode; }
+
+private:
+    // the exit code of the event loop
+    int m_exitcode;
+};
+
+// ============================================================================
+// wxEventLoop implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// wxEventLoop running and exiting
+// ----------------------------------------------------------------------------
+
+wxEventLoop::~wxEventLoop()
+{
+    wxASSERT_MSG( !m_impl, _T("should have been deleted in Run()") );
+}
+
+bool wxEventLoop::IsRunning() const
+{
+    return m_impl != NULL;
+}
+
+int wxEventLoop::Run()
+{
+    // event loops are not recursive, you need to create another loop!
+    wxCHECK_MSG( !IsRunning(), -1, _T("can't reenter a message loop") );
+
+    m_impl = new wxEventLoopImpl;
+
+    gtk_main();
+
+    int exitcode = m_impl->GetExitCode();
+    delete m_impl;
+    m_impl = NULL;
+
+    return exitcode;
+}
+
+void wxEventLoop::Exit(int rc)
+{
+    wxCHECK_RET( IsRunning(), _T("can't call Exit() if not running") );
+
+    m_impl->SetExitCode(rc);
+
+    gtk_main_quit();
+}
+
+// ----------------------------------------------------------------------------
+// wxEventLoop message processing dispatching
+// ----------------------------------------------------------------------------
+
+bool wxEventLoop::Pending() const
+{
+    return gtk_events_pending() > 0;
+}
+
+bool wxEventLoop::Dispatch()
+{
+    wxCHECK_MSG( IsRunning(), FALSE, _T("can't call Dispatch() if not running") );
+
+    gtk_main_iteration();
+
+    return TRUE;
+}
+