fixed (rare but fatal) bug in wxWindowDisabler

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

diff --git a/src/gtk/mdi.cpp b/src/gtk/mdi.cpp
index 343743670603a0bf5c667a5391ecdb691a15642e..3fa7de98fd7f1b19ef7b60264db6a99fd57c8821 100644 (file)
--- a/src/gtk/mdi.cpp
+++ b/src/gtk/mdi.cpp
@@ -17,11 +17,11 @@
 
 #include "wx/dialog.h"
 #include "wx/menu.h"
-#include <wx/intl.h>
+#include "wx/intl.h"
 
-#include "glib.h"
-#include "gdk/gdk.h"
-#include "gtk/gtk.h"
+#include <glib.h>
+#include <gdk/gdk.h>
+#include <gtk/gtk.h>
 #include "wx/gtk/win_gtk.h"
 
 //-----------------------------------------------------------------------------
@@ -47,21 +47,51 @@ extern wxList wxPendingDelete;
 // "switch_page"
 //-----------------------------------------------------------------------------
 
-static void gtk_mdi_page_change_callback(GtkNotebook *WXUNUSED(widget),
-                                              GtkNotebookPage *WXUNUSED(page),
-                                              gint WXUNUSED(page),
-                                              wxMDIParentFrame *parent )
+static void 
+gtk_mdi_page_change_callback( GtkNotebook *WXUNUSED(widget),
+                              GtkNotebookPage *page,
+                             gint WXUNUSED(page_num),
+                             wxMDIParentFrame *parent )
 {
     if (g_isIdle) 
         wxapp_install_idle_handler();
 
+    // send deactivate event to old child
+
     wxMDIChildFrame *child = parent->GetActiveChild();
+    if (child)
+    {
+        wxActivateEvent event1( wxEVT_ACTIVATE, FALSE, child->GetId() );
+        event1.SetEventObject( child);
+        child->GetEventHandler()->ProcessEvent( event1 );
+    }
+    
+    // send activate event to new child
     
-    if (!child) return;
+    wxMDIClientWindow *client_window = parent->GetClientWindow();
+    if (!client_window)
+        return;
+
+    child = (wxMDIChildFrame*) NULL;
 
-    wxActivateEvent event( wxEVT_ACTIVATE, TRUE, child->GetId() );
-    event.SetEventObject( child);
-    child->GetEventHandler()->ProcessEvent( event );
+    wxNode *node = client_window->GetChildren().First();
+    while (node)
+    {
+        wxMDIChildFrame *child_frame = (wxMDIChildFrame *)node->Data();
+        if (child_frame->m_page == page)
+       {
+            child = child_frame;
+           break;
+       }
+        node = node->Next();
+    }
+    
+    if (!child)
+         return;
+    
+    wxActivateEvent event2( wxEVT_ACTIVATE, TRUE, child->GetId() );
+    event2.SetEventObject( child);
+    child->GetEventHandler()->ProcessEvent( event2 );
 }
 
 //-----------------------------------------------------------------------------
@@ -120,7 +150,7 @@ void wxMDIParentFrame::GtkOnSize( int x, int y, int width, int height )
     menu_bar->m_y = 0;
     menu_bar->m_width = m_width;
     menu_bar->m_height = wxMENU_HEIGHT;
-    gtk_myfixed_set_size( GTK_MYFIXED(m_mainWidget), 
+    gtk_pizza_set_size( GTK_PIZZA(m_mainWidget), 
                           menu_bar->m_widget, 
                           0, 0, m_width, wxMENU_HEIGHT );
 }
@@ -159,7 +189,7 @@ void wxMDIParentFrame::OnInternalIdle()
                {
                    menu_bar->m_width = m_width;
                    menu_bar->m_height = wxMENU_HEIGHT;
-                    gtk_myfixed_set_size( GTK_MYFIXED(m_mainWidget), 
+                    gtk_pizza_set_size( GTK_PIZZA(m_mainWidget), 
                                          menu_bar->m_widget, 
                                          0, 0, m_width, wxMENU_HEIGHT );
                    menu_bar->SetInvokingWindow( child_frame );
@@ -193,7 +223,7 @@ void wxMDIParentFrame::OnInternalIdle()
            
            m_frameMenuBar->m_width = m_width;
            m_frameMenuBar->m_height = wxMENU_HEIGHT;
-            gtk_myfixed_set_size( GTK_MYFIXED(m_mainWidget), 
+            gtk_pizza_set_size( GTK_PIZZA(m_mainWidget), 
                                  m_frameMenuBar->m_widget, 
                                  0, 0, m_width, wxMENU_HEIGHT );
        }
@@ -330,7 +360,7 @@ void wxMDIChildFrame::SetMenuBar( wxMenuBar *menu_bar )
         m_menuBar->SetParent( mdi_frame );
 
         /* insert the invisible menu bar into the _parent_ mdi frame */
-        gtk_myfixed_put( GTK_MYFIXED(mdi_frame->m_mainWidget), 
+        gtk_pizza_put( GTK_PIZZA(mdi_frame->m_mainWidget), 
                          m_menuBar->m_widget, 
                          0, 0,  mdi_frame->m_width, wxMENU_HEIGHT );
     }