X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/341d8cb2cfd80d288f596b65a41d7578cd13ead3..7d6a4d96961eac84d05db8bb24c64d39003f6e54:/src/gtk/menu.cpp

diff --git a/src/gtk/menu.cpp b/src/gtk/menu.cpp
index 55fc27dbca..acd8d29e73 100644
--- a/src/gtk/menu.cpp
+++ b/src/gtk/menu.cpp
@@ -24,7 +24,10 @@
 
 #include "wx/accel.h"
 #include "wx/stockitem.h"
+
+#include <gtk/gtk.h>
 #include "wx/gtk/private.h"
+#include "wx/gtk/private/gtk2-compat.h"
 #include "wx/gtk/private/mnemonics.h"
 
 // we use normal item but with a special id for the menu title
@@ -48,21 +51,30 @@ static void DoCommonMenuCallbackCode(wxMenu *menu, wxMenuEvent& event)
     if (handler && handler->SafelyProcessEvent(event))
         return;
 
-    wxWindow *win = menu->GetInvokingWindow();
-    if (win)
-        win->HandleWindowEvent( event );
+    wxWindow *win = menu->GetWindow();
+    wxCHECK_RET( win, "event for a menu without associated window?" );
+
+    win->HandleWindowEvent( event );
 }
 
 //-----------------------------------------------------------------------------
 // wxMenuBar
 //-----------------------------------------------------------------------------
 
-IMPLEMENT_DYNAMIC_CLASS(wxMenuBar,wxWindow)
+wxMenuBar::~wxMenuBar()
+{
+    if (m_widget)
+    {
+        // Work around a probable bug in Ubuntu 12.04 which causes a warning if
+        // gtk_widget_destroy() is called on a wxMenuBar attached to a frame
+        GtkWidget* widget = m_widget;
+        m_widget = NULL;
+        g_object_unref(widget);
+    }
+}
 
 void wxMenuBar::Init(size_t n, wxMenu *menus[], const wxString titles[], long style)
 {
-    m_invokingWindow = NULL;
-
 #if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
     // Hildon window uses a single menu instead of a menu bar, so wxMenuBar is
     // the same as menu in this case
@@ -94,7 +106,7 @@ void wxMenuBar::Init(size_t n, wxMenu *menus[], const wxString titles[], long st
     GTKApplyWidgetStyle();
 #endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2/!wxUSE_LIBHILDON && !wxUSE_LIBHILDON2
 
-    g_object_ref(m_widget);
+    g_object_ref_sink(m_widget);
 
     for (size_t i = 0; i < n; ++i )
         Append(menus[i], titles[i]);
@@ -115,17 +127,21 @@ wxMenuBar::wxMenuBar()
     Init(0, NULL, NULL, 0);
 }
 
-static void
-wxMenubarUnsetInvokingWindow(wxMenu* menu, wxWindow* win, GtkWindow* tlw = NULL)
+// recursive helpers for wxMenuBar::Attach() and Detach(): they are called to
+// associate the menus with the frame they belong to or dissociate them from it
+namespace
 {
-    menu->SetInvokingWindow( NULL );
 
+void
+DetachFromFrame(wxMenu* menu, wxFrame* frame)
+{
     // support for native hot keys
     if (menu->m_accel)
     {
-        if (tlw == NULL)
-            tlw = GTK_WINDOW(wxGetTopLevelParent(win)->m_widget);
-        if (g_slist_find(menu->m_accel->acceleratables, tlw))
+        // Note that wxGetTopLevelParent() is really needed because this frame
+        // can be an MDI child frame which is a fake frame and not a TLW at all
+        GtkWindow * const tlw = GTK_WINDOW(wxGetTopLevelParent(frame)->m_widget);
+        if (g_slist_find(gtk_accel_groups_from_object(G_OBJECT(tlw)), menu->m_accel))
             gtk_window_remove_accel_group(tlw, menu->m_accel);
     }
 
@@ -134,22 +150,19 @@ wxMenubarUnsetInvokingWindow(wxMenu* menu, wxWindow* win, GtkWindow* tlw = NULL)
     {
         wxMenuItem *menuitem = node->GetData();
         if (menuitem->IsSubMenu())
-            wxMenubarUnsetInvokingWindow(menuitem->GetSubMenu(), win, tlw);
+            DetachFromFrame(menuitem->GetSubMenu(), frame);
         node = node->GetNext();
     }
 }
 
-static void
-wxMenubarSetInvokingWindow(wxMenu* menu, wxWindow* win, GtkWindow* tlw = NULL)
+void
+AttachToFrame(wxMenu* menu, wxFrame* frame)
 {
-    menu->SetInvokingWindow( win );
-
     // support for native hot keys
     if (menu->m_accel)
     {
-        if (tlw == NULL)
-            tlw = GTK_WINDOW(wxGetTopLevelParent(win)->m_widget);
-        if (!g_slist_find(menu->m_accel->acceleratables, tlw))
+        GtkWindow * const tlw = GTK_WINDOW(wxGetTopLevelParent(frame)->m_widget);
+        if (!g_slist_find(gtk_accel_groups_from_object(G_OBJECT(tlw)), menu->m_accel))
             gtk_window_add_accel_group(tlw, menu->m_accel);
     }
 
@@ -158,23 +171,12 @@ wxMenubarSetInvokingWindow(wxMenu* menu, wxWindow* win, GtkWindow* tlw = NULL)
     {
         wxMenuItem *menuitem = node->GetData();
         if (menuitem->IsSubMenu())
-            wxMenubarSetInvokingWindow(menuitem->GetSubMenu(), win, tlw);
+            AttachToFrame(menuitem->GetSubMenu(), frame);
         node = node->GetNext();
     }
 }
 
-void wxMenuBar::SetInvokingWindow( wxWindow *win )
-{
-    m_invokingWindow = win;
-
-    wxMenuList::compatibility_iterator node = m_menus.GetFirst();
-    while (node)
-    {
-        wxMenu *menu = node->GetData();
-        wxMenubarSetInvokingWindow( menu, win );
-        node = node->GetNext();
-    }
-}
+} // anonymous namespace
 
 void wxMenuBar::SetLayoutDirection(wxLayoutDirection dir)
 {
@@ -217,31 +219,41 @@ void wxMenuBar::Attach(wxFrame *frame)
 {
     wxMenuBarBase::Attach(frame);
 
+    wxMenuList::compatibility_iterator node = m_menus.GetFirst();
+    while (node)
+    {
+        wxMenu *menu = node->GetData();
+        AttachToFrame( menu, frame );
+        node = node->GetNext();
+    }
+
     SetLayoutDirection(wxLayout_Default);
 }
 
-void wxMenuBar::UnsetInvokingWindow( wxWindow *win )
+void wxMenuBar::Detach()
 {
-    m_invokingWindow = NULL;
-
     wxMenuList::compatibility_iterator node = m_menus.GetFirst();
     while (node)
     {
         wxMenu *menu = node->GetData();
-        wxMenubarUnsetInvokingWindow( menu, win );
+        DetachFromFrame( menu, m_menuBarFrame );
         node = node->GetNext();
     }
+
+    wxMenuBarBase::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());
 
@@ -256,7 +268,10 @@ 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 ) );
 
@@ -285,25 +300,18 @@ bool wxMenuBar::GtkAppend(wxMenu *menu, const wxString& title, int pos)
     else
         gtk_menu_shell_insert( GTK_MENU_SHELL(m_menubar), menu->m_owner, pos );
 
-    // m_invokingWindow is set after wxFrame::SetMenuBar(). This call enables
-    // addings menu later on.
-    if (m_invokingWindow)
-        wxMenubarSetInvokingWindow( menu, m_invokingWindow );
-
-    return true;
+    if ( m_menuBarFrame )
+        AttachToFrame( menu, m_menuBarFrame );
 }
 
 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)
@@ -331,15 +339,14 @@ wxMenu *wxMenuBar::Remove(size_t pos)
     gtk_widget_destroy( menu->m_owner );
     menu->m_owner = NULL;
 
-    if (m_invokingWindow)
-        wxMenubarUnsetInvokingWindow( menu, m_invokingWindow );
+    DetachFromFrame( menu, m_menuBarFrame );
 
     return menu;
 }
 
 static int FindMenuItemRecursive( const wxMenu *menu, const wxString &menuString, const wxString &itemString )
 {
-    if (wxMenuItem::GetLabelText(wxConvertMnemonicsFromGTK(menu->GetTitle())) == wxMenuItem::GetLabelText(menuString))
+    if (wxMenuItem::GetLabelText(menu->GetTitle()) == wxMenuItem::GetLabelText(menuString))
     {
         int res = menu->FindItem( itemString );
         if (res != wxNOT_FOUND)
@@ -424,6 +431,15 @@ void wxMenuBar::EnableTop( size_t pos, bool flag )
         gtk_widget_set_sensitive( menu->m_owner, flag );
 }
 
+bool wxMenuBar::IsEnabledTop(size_t pos) const
+{
+    wxMenuList::compatibility_iterator node = m_menus.Item( pos );
+    wxCHECK_MSG( node, false, wxS("invalid index in IsEnabledTop") );
+    wxMenu* const menu = node->GetData();
+    wxCHECK_MSG( menu->m_owner, true, wxS("no menu owner?") );
+    return gtk_widget_get_sensitive( menu->m_owner ) != 0;
+}
+
 wxString wxMenuBar::GetMenuLabel( size_t pos ) const
 {
     wxMenuList::compatibility_iterator node = m_menus.Item( pos );
@@ -432,7 +448,7 @@ wxString wxMenuBar::GetMenuLabel( size_t pos ) const
 
     wxMenu* menu = node->GetData();
 
-    return wxConvertMnemonicsFromGTK(menu->GetTitle());
+    return menu->GetTitle();
 }
 
 void wxMenuBar::SetMenuLabel( size_t pos, const wxString& label )
@@ -448,7 +464,7 @@ void wxMenuBar::SetMenuLabel( size_t pos, const wxString& label )
     menu->SetTitle( str );
 
     if (menu->m_owner)
-        gtk_label_set_text_with_mnemonic( GTK_LABEL( GTK_BIN(menu->m_owner)->child), wxGTK_CONV(str) );
+        gtk_label_set_text_with_mnemonic(GTK_LABEL(gtk_bin_get_child(GTK_BIN(menu->m_owner))), wxGTK_CONV(str));
 }
 
 //-----------------------------------------------------------------------------
@@ -525,8 +541,6 @@ static void menuitem_deselect(GtkWidget*, wxMenuItem* item)
 // wxMenuItem
 //-----------------------------------------------------------------------------
 
-IMPLEMENT_DYNAMIC_CLASS(wxMenuItem, wxObject)
-
 wxMenuItem *wxMenuItemBase::New(wxMenu *parentMenu,
                                 int id,
                                 const wxString& name,
@@ -591,7 +605,7 @@ void wxMenuItem::SetItemLabel( const wxString& str )
 void wxMenuItem::SetGtkLabel()
 {
     const wxString text = wxConvertMnemonicsToGTK(m_text.BeforeFirst('\t'));
-    GtkLabel* label = GTK_LABEL(GTK_BIN(m_menuItem)->child);
+    GtkLabel* label = GTK_LABEL(gtk_bin_get_child(GTK_BIN(m_menuItem)));
     gtk_label_set_text_with_mnemonic(label, wxGTK_CONV_SYS(text));
 #if wxUSE_ACCEL
     guint accel_key;
@@ -611,7 +625,9 @@ void wxMenuItem::SetBitmap(const wxBitmap& bitmap)
     if (m_kind == wxITEM_NORMAL)
         m_bitmap = bitmap;
     else
+    {
         wxFAIL_MSG("only normal menu items can have bitmaps");
+    }
 }
 
 void wxMenuItem::Check( bool check )
@@ -650,7 +666,7 @@ bool wxMenuItem::IsChecked() const
     wxCHECK_MSG( IsCheckable(), false,
                  wxT("can't get state of uncheckable item!") );
 
-    return ((GtkCheckMenuItem*)m_menuItem)->active != 0;
+    return gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(m_menuItem)) != 0;
 }
 
 //-----------------------------------------------------------------------------
@@ -684,8 +700,6 @@ static gboolean can_activate_accel(GtkWidget*, guint, wxMenu* menu)
 }
 }
 
-IMPLEMENT_DYNAMIC_CLASS(wxMenu,wxEvtHandler)
-
 void wxMenu::Init()
 {
     m_popupShown = false;
@@ -694,8 +708,7 @@ void wxMenu::Init()
     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:
-    g_object_ref(m_menu);
-    gtk_object_sink(GTK_OBJECT(m_menu));
+    g_object_ref_sink(m_menu);
 
     m_owner = NULL;
 
@@ -709,8 +722,6 @@ 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() )
     {
@@ -725,6 +736,11 @@ void wxMenu::Init()
 
 wxMenu::~wxMenu()
 {
+    // Destroying a menu generates a "hide" signal even if it's not shown
+    // currently, so disconnect it to avoid dummy wxEVT_MENU_CLOSE events
+    // generation.
+    g_signal_handlers_disconnect_by_func(m_menu, (gpointer)menu_hide, this);
+
     // see wxMenu::Init
     g_object_unref(m_menu);
 
@@ -748,11 +764,14 @@ wxLayoutDirection wxMenu::GetLayoutDirection() const
     return wxWindow::GTKGetLayout(m_owner);
 }
 
-bool wxMenu::GtkAppend(wxMenuItem *mitem, int pos)
+wxString wxMenu::GetTitle() const
+{
+    return wxConvertMnemonicsFromGTK(wxMenuBase::GetTitle());
+}
+
+void wxMenu::GtkAppend(wxMenuItem* mitem, int pos)
 {
     GtkWidget *menuItem;
-    GtkWidget* prevRadio = m_prevRadio;
-    m_prevRadio = NULL;
     switch (mitem->GetKind())
     {
         case wxITEM_SEPARATOR:
@@ -763,11 +782,44 @@ 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:
@@ -812,12 +864,6 @@ bool wxMenu::GtkAppend(wxMenuItem *mitem, int pos)
             gtk_menu_item_set_submenu( GTK_MENU_ITEM(menuItem), mitem->GetSubMenu()->m_menu );
 
             gtk_widget_show( mitem->GetSubMenu()->m_menu );
-
-            // if adding a submenu to a menu already existing in the menu bar, we
-            // must set invoking window to allow processing events from this
-            // submenu
-            if ( m_invokingWindow )
-                wxMenubarSetInvokingWindow(mitem->GetSubMenu(), m_invokingWindow);
         }
         else
         {
@@ -828,28 +874,26 @@ 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)
@@ -858,14 +902,25 @@ wxMenuItem *wxMenu::DoRemove(wxMenuItem *item)
         return NULL;
 
     GtkWidget * const mitem = item->GetMenuItem();
-    if ( m_prevRadio == mitem )
+#ifdef __WXGTK3__
+    gtk_menu_item_set_submenu(GTK_MENU_ITEM(mitem), NULL);
+#else
+    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));
     }
+#endif
 
-    gtk_menu_item_set_submenu(GTK_MENU_ITEM(mitem), NULL);
     gtk_widget_destroy(mitem);
     item->SetMenuItem(NULL);