guard against errors like in wxStringBase::AllocBeforeWrite code (1123226)

[wxWidgets.git] / src / gtk1 / menu.cpp

diff --git a/src/gtk1/menu.cpp b/src/gtk1/menu.cpp
index ed7a91f67fbdf5fd22d6f04670dc90d5429cd667..82956da0a6f9d497f1d18f8a0cee4a1ca96d4cb3 100644 (file)
--- a/src/gtk1/menu.cpp
+++ b/src/gtk1/menu.cpp
@@ -15,11 +15,11 @@
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
+#include "wx/menu.h"
 #include "wx/log.h"
 #include "wx/intl.h"
 #include "wx/app.h"
 #include "wx/bitmap.h"
-#include "wx/menu.h"
 
 #if wxUSE_ACCEL
     #include "wx/accel.h"
@@ -421,53 +421,17 @@ wxMenu *wxMenuBar::Replace(size_t pos, wxMenu *menu, const wxString& title)
     return menuOld;
 }
 
-static wxMenu *CopyMenu (wxMenu *menu)
-{
-    wxMenu *menucopy = new wxMenu ();
-    wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();
-    while (node)
-    {
-        wxMenuItem *item = node->GetData();
-        int itemid = item->GetId();
-        wxString text = item->GetText();
-        text.Replace(wxT("_"), wxT("&"));
-        wxMenu *submenu = item->GetSubMenu();
-        if (!submenu)
-        {
-            wxMenuItem* itemcopy = new wxMenuItem(menucopy,
-                                        itemid, text,
-                                        menu->GetHelpString(itemid));
-            itemcopy->SetBitmap(item->GetBitmap());
-            itemcopy->SetCheckable(item->IsCheckable());
-            menucopy->Append(itemcopy);
-        }
-        else
-          menucopy->Append (itemid, text, CopyMenu(submenu),
-                            menu->GetHelpString(itemid));
-
-        node = node->GetNext();
-    }
-
-    return menucopy;
-}
-
 wxMenu *wxMenuBar::Remove(size_t pos)
 {
     wxMenu *menu = wxMenuBarBase::Remove(pos);
     if ( !menu )
         return (wxMenu*) NULL;
 
-    wxMenu *menucopy = CopyMenu( menu );
-
-    // unparent calls unref() and that would delete the widget so we raise
-    // the ref count to 2 artificially before invoking unparent.
-    gtk_widget_ref( menu->m_menu );
-    gtk_widget_unparent( menu->m_menu );
+    gtk_menu_item_remove_submenu( GTK_MENU_ITEM(menu->m_owner) );
+    gtk_container_remove(GTK_CONTAINER(m_menubar), menu->m_owner);
 
     gtk_widget_destroy( menu->m_owner );
-    delete menu;
-
-    menu = menucopy;
+    menu->m_owner = NULL;
 
     if (m_invokingWindow)
     {
@@ -986,6 +950,9 @@ void wxMenu::Init()
 {
     m_accel = gtk_accel_group_new();
     m_menu = gtk_menu_new();
+    // NB: keep reference to the menu so that it is not destroyed behind
+    //     our back by GTK+ e.g. when it is removed from menubar:
+    gtk_widget_ref(m_menu);
 
     m_owner = (GtkWidget*) NULL;
 
@@ -1014,7 +981,14 @@ wxMenu::~wxMenu()
    WX_CLEAR_LIST(wxMenuItemList, m_items);
 
    if ( GTK_IS_WIDGET( m_menu ))
-       gtk_widget_destroy( m_menu );
+   {
+       // see wxMenu::Init
+       gtk_widget_unref( m_menu ); 
+       // if the menu is inserted in another menu at this time, there was
+       // one more reference to it:
+       if ( m_owner )
+           gtk_widget_destroy( m_menu );
+   }
 }
 
 bool wxMenu::GtkAppend(wxMenuItem *mitem, int pos)
@@ -1079,13 +1053,24 @@ bool wxMenu::GtkAppend(wxMenuItem *mitem, int pos)
     {
         wxString text = mitem->GetText();
         const wxBitmap *bitmap = &mitem->GetBitmap();
-        GdkPixmap *gdk_pixmap = bitmap->GetPixmap();
-        GdkBitmap *gdk_bitmap = bitmap->GetMask() ? bitmap->GetMask()->GetBitmap() : (GdkBitmap*) NULL;
 
 #ifdef __WXGTK20__
         menuItem = gtk_image_menu_item_new_with_mnemonic( wxGTK_CONV( text ) );
 
-        GtkWidget *image = gtk_image_new_from_pixmap( gdk_pixmap, gdk_bitmap );
+        GtkWidget *image;
+        if (bitmap->HasPixbuf())
+        {
+            image = gtk_image_new_from_pixbuf(bitmap->GetPixbuf());
+        }
+        else
+        {
+            GdkPixmap *gdk_pixmap = bitmap->GetPixmap();
+            GdkBitmap *gdk_bitmap = bitmap->GetMask() ? 
+                                        bitmap->GetMask()->GetBitmap() :
+                                        (GdkBitmap*) NULL;
+            image = gtk_image_new_from_pixmap( gdk_pixmap, gdk_bitmap );
+        }
+        
         gtk_widget_show(image);
 
         gtk_image_menu_item_set_image( GTK_IMAGE_MENU_ITEM(menuItem), image );
@@ -1099,6 +1084,8 @@ bool wxMenu::GtkAppend(wxMenuItem *mitem, int pos)
         else
             gtk_menu_shell_insert(GTK_MENU_SHELL(m_menu), menuItem, pos);
 #else
+        GdkPixmap *gdk_pixmap = bitmap->GetPixmap();
+        GdkBitmap *gdk_bitmap = bitmap->GetMask() ? bitmap->GetMask()->GetBitmap() : (GdkBitmap*) NULL;
 
         menuItem = gtk_pixmap_menu_item_new ();
         GtkWidget *label = gtk_accel_label_new ( wxGTK_CONV( text ) );
@@ -1405,7 +1392,7 @@ static wxString GetHotKey( const wxMenuItem& item )
             case WXK_F10:
             case WXK_F11:
             case WXK_F12:
-                hotkey << wxT('F') << code - WXK_F1 + 1;
+                hotkey += wxString::Format(wxT("F%d"), code - WXK_F1 + 1);
                 break;
 
                 // TODO: we should use gdk_keyval_name() (a.k.a.