X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4e2a3778386d60356dab319afa2d3f987f86d6b2..55410bb4f67febe1ca20654f078ea4fb9a6223ae:/src/gtk/dialog.cpp

diff --git a/src/gtk/dialog.cpp b/src/gtk/dialog.cpp
index c61fbca515..2a2e83a0e0 100644
--- a/src/gtk/dialog.cpp
+++ b/src/gtk/dialog.cpp
@@ -18,11 +18,16 @@
 
 #include "wx/evtloop.h"
 
+#include "wx/scopedptr.h"
+
 #include <gtk/gtk.h>
 
 // this is defined in src/gtk/toplevel.cpp
 extern int wxOpenModalDialogsCount;
 
+wxDEFINE_TIED_SCOPED_PTR_TYPE(wxGUIEventLoop)
+
+
 //-----------------------------------------------------------------------------
 // wxDialog
 //-----------------------------------------------------------------------------
@@ -31,6 +36,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxDialog,wxTopLevelWindow)
 
 void wxDialog::Init()
 {
+    m_modalLoop = NULL;
     m_returnCode = 0;
     m_modalShowing = false;
     m_themeEnabled = true;
@@ -79,8 +85,6 @@ bool wxDialog::Show( bool show )
 
 wxDialog::~wxDialog()
 {
-    m_isBeingDeleted = true;
-
     // if the dialog is modal, this will end its event loop
     if ( IsModal() )
         EndModal(wxID_CANCEL);
@@ -99,7 +103,6 @@ void wxDialog::SetModal( bool WXUNUSED(flag) )
 int wxDialog::ShowModal()
 {
     wxASSERT_MSG( !IsModal(), "ShowModal() can't be called twice" );
-    wxASSERT_MSG( !IsShown(), "ShowModal() can't be called after Show()" );
 
     // release the mouse if it's currently captured as the window having it
     // will be disabled when this dialog is shown -- but will still keep the
@@ -131,7 +134,11 @@ int wxDialog::ShowModal()
     // NOTE: gtk_window_set_modal internally calls gtk_grab_add() !
     gtk_window_set_modal(GTK_WINDOW(m_widget), TRUE);
 
-    wxGUIEventLoop().Run();
+    // Run modal dialog event loop.
+    {
+        wxGUIEventLoopTiedPtr modal(&m_modalLoop, new wxGUIEventLoop());
+        m_modalLoop->Run();
+    }
 
     gtk_window_set_modal(GTK_WINDOW(m_widget), FALSE);
 
@@ -152,7 +159,10 @@ void wxDialog::EndModal( int retCode )
 
     m_modalShowing = false;
 
-    gtk_main_quit();
+    // Ensure Exit() is only called once. The dialog's event loop may be terminated
+    // externally due to an uncaught exception.
+    if (m_modalLoop && m_modalLoop->IsRunning())
+        m_modalLoop->Exit();
 
     Show( false );
 }