Added MSWPositionForWxMenu() method which is used to translate wxWindows

menu positions to the ones that Windows is using.  This mainly accounts
for the system menu in maximized MDI child frames.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@25171 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/include/wx/msw/menu.h b/include/wx/msw/menu.h
index 55d7d5c7865055e137443042ce1020e40059e190..bc86e25417e54f6ee88bfec5a391e90cc1739910 100644 (file)
--- a/include/wx/msw/menu.h
+++ b/include/wx/msw/menu.h
@@ -206,6 +206,9 @@ protected:
 
     WXHMENU       m_hMenu;
 
+    // Return the MSW position for a wxMenu which is sometimes different from
+    // the wxWindows position.
+    int MSWPositionForWxMenu(wxMenu *menu, int wxpos);
 #if wxUSE_ACCEL
     // the accelerator table for all accelerators in all our menus
     wxAcceleratorTable m_accelTable;

diff --git a/src/msw/menu.cpp b/src/msw/menu.cpp
index f8b1c4377b315f56ffad9b2caf54deae03cf4ace..4be9908fccedcf4c06b49fccb594423e0bce1414 100644 (file)
--- a/src/msw/menu.cpp
+++ b/src/msw/menu.cpp
@@ -824,6 +824,27 @@ WXHMENU wxMenuBar::Create()
 #endif
 }
 
+int wxMenuBar::MSWPositionForWxMenu(wxMenu *menu, int wxpos)
+{
+    wxASSERT(menu);
+    wxASSERT(menu->GetHMenu());
+    wxASSERT(m_hMenu);
+    int totalMSWItems = GetMenuItemCount((HMENU)m_hMenu);
+    int i; // For old C++ compatibility
+    for(i=wxpos; i<totalMSWItems; i++)
+    {
+        if(GetSubMenu((HMENU)m_hMenu,i)==(HMENU)menu->GetHMenu())
+            return i;
+    }
+    for(i=0; i<wxpos; i++)
+    {
+        if(GetSubMenu((HMENU)m_hMenu,i)==(HMENU)menu->GetHMenu())
+            return i;
+    }
+    wxFAIL;
+    return -1;
+}
+
 // ---------------------------------------------------------------------------
 // wxMenuBar functions to work with the top level submenus
 // ---------------------------------------------------------------------------
@@ -834,10 +855,11 @@ WXHMENU wxMenuBar::Create()
 void wxMenuBar::EnableTop(size_t pos, bool enable)
 {
     wxCHECK_RET( IsAttached(), wxT("doesn't work with unattached menubars") );
+    wxCHECK_RET( pos < GetMenuCount(), wxT("invalid menu index") );
 
     int flag = enable ? MF_ENABLED : MF_GRAYED;
 
-    EnableMenuItem((HMENU)m_hMenu, pos, MF_BYPOSITION | flag);
+    EnableMenuItem((HMENU)m_hMenu, MSWPositionForWxMenu(GetMenu(pos),pos), MF_BYPOSITION | flag);
 
     Refresh();
 }
@@ -854,8 +876,10 @@ void wxMenuBar::SetLabelTop(size_t pos, const wxString& label)
     }
     //else: have to modify the existing menu
 
+    int mswpos = MSWPositionForWxMenu(GetMenu(pos),pos);
+
     UINT id;
-    UINT flagsOld = ::GetMenuState((HMENU)m_hMenu, pos, MF_BYPOSITION);
+    UINT flagsOld = ::GetMenuState((HMENU)m_hMenu, mswpos, MF_BYPOSITION);
     if ( flagsOld == 0xFFFFFFFF )
     {
         wxLogLastError(wxT("GetMenuState"));
@@ -867,7 +891,7 @@ void wxMenuBar::SetLabelTop(size_t pos, const wxString& label)
     {
         // HIBYTE contains the number of items in the submenu in this case
         flagsOld &= 0xff;
-        id = (UINT)::GetSubMenu((HMENU)m_hMenu, pos);
+        id = (UINT)::GetSubMenu((HMENU)m_hMenu, mswpos);
     }
     else
     {
@@ -888,7 +912,7 @@ void wxMenuBar::SetLabelTop(size_t pos, const wxString& label)
     }
     
 #else
-    if ( ::ModifyMenu(GetHmenu(), pos, MF_BYPOSITION | MF_STRING | flagsOld,
+    if ( ::ModifyMenu(GetHmenu(), mswpos, MF_BYPOSITION | MF_STRING | flagsOld,
         id, label) == (int)0xFFFFFFFF )
     {
         wxLogLastError(wxT("ModifyMenu"));
@@ -920,13 +944,15 @@ wxMenu *wxMenuBar::Replace(size_t pos, wxMenu *menu, const wxString& title)
 
     if ( IsAttached() )
     {
+        int mswpos = MSWPositionForWxMenu(menuOld,pos);
+
         // can't use ModifyMenu() because it deletes the submenu it replaces
-        if ( !::RemoveMenu(GetHmenu(), (UINT)pos, MF_BYPOSITION) )
+        if ( !::RemoveMenu(GetHmenu(), (UINT)mswpos, MF_BYPOSITION) )
         {
             wxLogLastError(wxT("RemoveMenu"));
         }
 
-        if ( !::InsertMenu(GetHmenu(), (UINT)pos,
+        if ( !::InsertMenu(GetHmenu(), (UINT)mswpos,
                            MF_BYPOSITION | MF_POPUP | MF_STRING,
                            (UINT)GetHmenuOf(menu), title) )
         {
@@ -949,6 +975,12 @@ wxMenu *wxMenuBar::Replace(size_t pos, wxMenu *menu, const wxString& title)
 
 bool wxMenuBar::Insert(size_t pos, wxMenu *menu, const wxString& title)
 {
+    // Find out which MSW item before which we'll be inserting before
+    // wxMenuBarBase::Insert is called and GetMenu(pos) is the new menu.
+    int mswpos = (pos == m_menus.GetCount())
+        ?   -1 // append the menu
+        :   MSWPositionForWxMenu(GetMenu(pos),pos);
+
     if ( !wxMenuBarBase::Insert(pos, menu, title) )
         return FALSE;
 
@@ -977,7 +1009,7 @@ bool wxMenuBar::Insert(size_t pos, wxMenu *menu, const wxString& title)
             return FALSE;
         }
 #else
-        if ( !::InsertMenu(GetHmenu(), pos,
+        if ( !::InsertMenu(GetHmenu(), mswpos,
                            MF_BYPOSITION | MF_POPUP | MF_STRING,
                            (UINT)GetHmenuOf(menu), title) )
         {
@@ -1070,7 +1102,7 @@ wxMenu *wxMenuBar::Remove(size_t pos)
             }
         }
 #else
-        if ( !::RemoveMenu(GetHmenu(), (UINT)pos, MF_BYPOSITION) )
+        if ( !::RemoveMenu(GetHmenu(), (UINT)MSWPositionForWxMenu(menu,pos), MF_BYPOSITION) )
         {
             wxLogLastError(wxT("RemoveMenu"));
         }