X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/dc28b8564eedde54359ac0bcb748335fa13cc7e0..14722c43c30918cd8fbba956b50ac3426d2fe339:/src/gtk/dialog.cpp

diff --git a/src/gtk/dialog.cpp b/src/gtk/dialog.cpp
index dcdaec3cbe..7fcfd47c56 100644
--- a/src/gtk/dialog.cpp
+++ b/src/gtk/dialog.cpp
@@ -18,19 +18,23 @@
 
 #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
 //-----------------------------------------------------------------------------
 
-IMPLEMENT_DYNAMIC_CLASS(wxDialog,wxTopLevelWindow)
-
 void wxDialog::Init()
 {
+    m_modalLoop = NULL;
     m_returnCode = 0;
     m_modalShowing = false;
     m_themeEnabled = true;
@@ -79,8 +83,6 @@ 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);
@@ -107,16 +109,11 @@ int wxDialog::ShowModal()
     if ( win )
         win->GTKReleaseMouseAndNotify();
 
-    // use the apps top level window as parent if none given unless explicitly
-    // forbidden
-    if ( !GetParent() && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) )
+    wxWindow * const parent = GetParentForModalDialog();
+    if ( parent )
     {
-        wxWindow * const parent = GetParentForModalDialog();
-        if ( parent && parent != this )
-        {
-            gtk_window_set_transient_for( GTK_WINDOW(m_widget),
-                                          GTK_WINDOW(parent->m_widget) );
-        }
+        gtk_window_set_transient_for( GTK_WINDOW(m_widget),
+                                      GTK_WINDOW(parent->m_widget) );
     }
 
     wxBusyCursorSuspender cs; // temporarily suppress the busy cursor
@@ -130,7 +127,11 @@ 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);
 
@@ -151,7 +152,10 @@ 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 );
 }