set resolution of print preview from print data (modified patch 1851381)

[wxWidgets.git] / src / gtk / evtloop.cpp

diff --git a/src/gtk/evtloop.cpp b/src/gtk/evtloop.cpp
index 74d4132b432737bc1b6be2efa7d14010488fbca2..9cfac6466afdc74e79f2a411b4ae847fe8590140 100644 (file)
--- a/src/gtk/evtloop.cpp
+++ b/src/gtk/evtloop.cpp
@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////////
-// Name:        gtk/evtloop.cpp
+// Name:        src/gtk/evtloop.cpp
 // Purpose:     implements wxEventLoop for GTK+
 // Author:      Vadim Zeitlin
 // Modified by:
@@ -17,10 +17,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma implementation "evtloop.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
@@ -28,11 +24,12 @@
     #pragma hdrstop
 #endif
 
-#ifndef WX_PRECOMP
-#endif //WX_PRECOMP
-
-#include "wx/app.h"
 #include "wx/evtloop.h"
+#include "wx/ptr_scpd.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/app.h"
+#endif // WX_PRECOMP
 
 #include <gtk/gtk.h>
 
@@ -59,39 +56,34 @@ private:
 // wxEventLoop implementation
 // ============================================================================
 
+wxDEFINE_TIED_SCOPED_PTR_TYPE(wxEventLoopImpl)
+
 // ----------------------------------------------------------------------------
 // wxEventLoop running and exiting
 // ----------------------------------------------------------------------------
 
-wxEventLoop *wxEventLoopBase::ms_activeLoop = NULL;
-
-wxEventLoop::~wxEventLoop()
+wxGUIEventLoop::~wxGUIEventLoop()
 {
     wxASSERT_MSG( !m_impl, _T("should have been deleted in Run()") );
 }
 
-int wxEventLoop::Run()
+int wxGUIEventLoop::Run()
 {
     // event loops are not recursive, you need to create another loop!
     wxCHECK_MSG( !IsRunning(), -1, _T("can't reenter a message loop") );
 
-    wxEventLoop *oldLoop = ms_activeLoop;
-    ms_activeLoop = this;
+    wxEventLoopActivator activate(this);
 
-    m_impl = new wxEventLoopImpl;
+    wxEventLoopImplTiedPtr impl(&m_impl, new wxEventLoopImpl);
 
     gtk_main();
 
-    int exitcode = m_impl->GetExitCode();
-    delete m_impl;
-    m_impl = NULL;
-
-    ms_activeLoop = oldLoop;
+    OnExit();
 
-    return exitcode;
+    return m_impl->GetExitCode();
 }
 
-void wxEventLoop::Exit(int rc)
+void wxGUIEventLoop::Exit(int rc)
 {
     wxCHECK_RET( IsRunning(), _T("can't call Exit() if not running") );
 
@@ -104,28 +96,23 @@ void wxEventLoop::Exit(int rc)
 // wxEventLoop message processing dispatching
 // ----------------------------------------------------------------------------
 
-extern bool g_isIdle;
-
-bool wxEventLoop::Pending() const
+bool wxGUIEventLoop::Pending() const
 {
-    if (wxTheApp && !g_isIdle)
-    {
-        // We need to remove idle callbacks or gtk_events_pending will
-        // never return false.
-        gtk_idle_remove( wxTheApp->m_idleTag );
-        wxTheApp->m_idleTag = 0;
-        g_isIdle = TRUE;
-    }
-
-    return gtk_events_pending();
+    bool pending;
+    wxApp* app = wxTheApp;
+    if (app != NULL)
+        // app->EventsPending() avoids false positives from our idle source
+        pending = app->EventsPending();
+    else
+        pending = gtk_events_pending() != 0;
+    return pending;
 }
 
-bool wxEventLoop::Dispatch()
+bool wxGUIEventLoop::Dispatch()
 {
-    wxCHECK_MSG( IsRunning(), FALSE, _T("can't call Dispatch() if not running") );
+    wxCHECK_MSG( IsRunning(), false, _T("can't call Dispatch() if not running") );
 
     gtk_main_iteration();
 
-    return TRUE;
+    return true;
 }
-