X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4c2ea5999b24ca6cb846230dc2f5bc3155a30b93..8a31648287be0ef976f133de2786b137f1e98340:/src/gtk/menu.cpp

diff --git a/src/gtk/menu.cpp b/src/gtk/menu.cpp
index b506d195b6..8c6cf5ea49 100644
--- a/src/gtk/menu.cpp
+++ b/src/gtk/menu.cpp
@@ -230,13 +230,15 @@ void wxMenuBar::Detach()
 
 bool wxMenuBar::Append( wxMenu *menu, const wxString &title )
 {
-    if ( !wxMenuBarBase::Append( menu, title ) )
-        return false;
-
-    return GtkAppend(menu, title);
+    if (wxMenuBarBase::Append(menu, title))
+    {
+        GtkAppend(menu, title);
+        return true;
+    }
+    return false;
 }
 
-bool wxMenuBar::GtkAppend(wxMenu *menu, const wxString& title, int pos)
+void wxMenuBar::GtkAppend(wxMenu* menu, const wxString& title, int pos)
 {
     menu->SetLayoutDirection(GetLayoutDirection());
 
@@ -251,7 +253,10 @@ bool wxMenuBar::GtkAppend(wxMenu *menu, const wxString& title, int pos)
         const wxString str(wxStripMenuCodes(item->GetItemLabel()));
 
         if ( item->IsSubMenu() )
-            return GtkAppend(item->GetSubMenu(), str, pos);
+        {
+            GtkAppend(item->GetSubMenu(), str, pos);
+            return;
+        }
 
         menu->m_owner = gtk_menu_item_new_with_mnemonic( wxGTK_CONV( str ) );
 
@@ -282,21 +287,16 @@ bool wxMenuBar::GtkAppend(wxMenu *menu, const wxString& title, int pos)
 
     if ( m_menuBarFrame )
         AttachToFrame( menu, m_menuBarFrame );
-
-    return true;
 }
 
 bool wxMenuBar::Insert(size_t pos, wxMenu *menu, const wxString& title)
 {
-    if ( !wxMenuBarBase::Insert(pos, menu, title) )
-        return false;
-
-    // TODO
-
-    if ( !GtkAppend(menu, title, (int)pos) )
-        return false;
-
-    return true;
+    if (wxMenuBarBase::Insert(pos, menu, title))
+    {
+        GtkAppend(menu, title, int(pos));
+        return true;
+    }
+    return false;
 }
 
 wxMenu *wxMenuBar::Replace(size_t pos, wxMenu *menu, const wxString& title)
@@ -698,8 +698,6 @@ void wxMenu::Init()
         gtk_menu_shell_append(GTK_MENU_SHELL(m_menu), tearoff);
     }
 
-    m_prevRadio = NULL;
-
     // append the title as the very first entry if we have it
     if ( !m_title.empty() )
     {
@@ -747,11 +745,9 @@ wxString wxMenu::GetTitle() const
     return wxConvertMnemonicsFromGTK(wxMenuBase::GetTitle());
 }
 
-bool wxMenu::GtkAppend(wxMenuItem *mitem, int pos)
+void wxMenu::GtkAppend(wxMenuItem* mitem, int pos)
 {
     GtkWidget *menuItem;
-    GtkWidget* prevRadio = m_prevRadio;
-    m_prevRadio = NULL;
     switch (mitem->GetKind())
     {
         case wxITEM_SEPARATOR:
@@ -762,11 +758,44 @@ bool wxMenu::GtkAppend(wxMenuItem *mitem, int pos)
             break;
         case wxITEM_RADIO:
             {
+                // See if we need to create a new radio group for this item or
+                // add it to an existing one.
+                wxMenuItem* radioGroupItem = NULL;
+
+                const size_t numItems = GetMenuItemCount();
+                const size_t n = pos == -1 ? numItems - 1 : size_t(pos);
+
+                if (n != 0)
+                {
+                    wxMenuItem* const itemPrev = FindItemByPosition(n - 1);
+                    if ( itemPrev->GetKind() == wxITEM_RADIO )
+                    {
+                        // Appending an item after an existing radio item puts
+                        // it into the same radio group.
+                        radioGroupItem = itemPrev;
+                    }
+                }
+
+                if (radioGroupItem == NULL && n != numItems - 1)
+                {
+                    wxMenuItem* const itemNext = FindItemByPosition(n + 1);
+                    if ( itemNext->GetKind() == wxITEM_RADIO )
+                    {
+                        // Inserting an item before an existing radio item
+                        // also puts it into the existing radio group.
+                        radioGroupItem = itemNext;
+                    }
+                }
+
                 GSList* group = NULL;
-                if (prevRadio)
-                    group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(prevRadio));
+                if ( radioGroupItem )
+                {
+                    group = gtk_radio_menu_item_get_group(
+                              GTK_RADIO_MENU_ITEM(radioGroupItem->GetMenuItem())
+                            );
+                }
+
                 menuItem = gtk_radio_menu_item_new_with_label(group, "");
-                m_prevRadio = menuItem;
             }
             break;
         default:
@@ -821,28 +850,26 @@ bool wxMenu::GtkAppend(wxMenuItem *mitem, int pos)
                               mitem);
         }
     }
-
-    return true;
 }
 
 wxMenuItem* wxMenu::DoAppend(wxMenuItem *mitem)
 {
-    if (!GtkAppend(mitem))
-        return NULL;
-
-    return wxMenuBase::DoAppend(mitem);
+    if (wxMenuBase::DoAppend(mitem))
+    {
+        GtkAppend(mitem);
+        return mitem;
+    }
+    return NULL;
 }
 
 wxMenuItem* wxMenu::DoInsert(size_t pos, wxMenuItem *item)
 {
-    if ( !wxMenuBase::DoInsert(pos, item) )
-        return NULL;
-
-    // TODO
-    if ( !GtkAppend(item, (int)pos) )
-        return NULL;
-
-    return item;
+    if (wxMenuBase::DoInsert(pos, item))
+    {
+        GtkAppend(item, int(pos));
+        return item;
+    }
+    return NULL;
 }
 
 wxMenuItem *wxMenu::DoRemove(wxMenuItem *item)
@@ -851,14 +878,21 @@ wxMenuItem *wxMenu::DoRemove(wxMenuItem *item)
         return NULL;
 
     GtkWidget * const mitem = item->GetMenuItem();
-    if ( m_prevRadio == mitem )
+    if (!gtk_check_version(2,12,0))
+    {
+        // gtk_menu_item_remove_submenu() is deprecated since 2.12, but
+        // gtk_menu_item_set_submenu() can now be used with NULL submenu now so
+        // just do use it.
+        gtk_menu_item_set_submenu(GTK_MENU_ITEM(mitem), NULL);
+    }
+    else // GTK+ < 2.12
     {
-        // deleting an item starts a new radio group (has to as we shouldn't
-        // keep a deleted pointer anyhow)
-        m_prevRadio = NULL;
+        // In 2.10 calling gtk_menu_item_set_submenu() with NULL submenu
+        // results in critical GTK+ error messages so use the old function
+        // instead.
+        gtk_menu_item_remove_submenu(GTK_MENU_ITEM(mitem));
     }
 
-    gtk_menu_item_set_submenu(GTK_MENU_ITEM(mitem), NULL);
     gtk_widget_destroy(mitem);
     item->SetMenuItem(NULL);