adjusting to changed ownership (font is only created in the GetFont call of wxTextAttr)

[wxWidgets.git] / src / os2 / menuitem.cpp

diff --git a/src/os2/menuitem.cpp b/src/os2/menuitem.cpp
index 38d31737e7704c9429e23872d12ee6a04634eaa6..193a679348df0e0fa44aff4b27ff0dff7e314989 100644 (file)
--- a/src/os2/menuitem.cpp
+++ b/src/os2/menuitem.cpp
@@ -1,11 +1,11 @@
 ///////////////////////////////////////////////////////////////////////////////
 ///////////////////////////////////////////////////////////////////////////////

-// Name:        menuitem.cpp
+// Name:        src/os2/menuitem.cpp

 // Purpose:     wxMenuItem implementation
 // Purpose:     wxMenuItem implementation

-// Author:      AUTHOR
-// Modified by: 
-// Created:     ??/??/98
+// Author:      David Webster
+// Modified by:
+// Created:     10/10/98

 // RCS-ID:      $Id$
 // RCS-ID:      $Id$

-// Copyright:   (c) AUTHOR
+// Copyright:   (c) David Webster

 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 


@@ -13,8 +13,42 @@
 // headers & declarations
 // ============================================================================
 
 // headers & declarations
 // ============================================================================
 

-#include "wx/menu.h"
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+

 #include "wx/menuitem.h"
 #include "wx/menuitem.h"

+#include "wx/stockitem.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/font.h"
+    #include "wx/bitmap.h"
+    #include "wx/settings.h"
+    #include "wx/window.h"
+    #include "wx/accel.h"
+    #include "wx/menu.h"
+    #include "wx/string.h"
+    #include "wx/log.h"
+#endif
+
+#if wxUSE_ACCEL
+    #include "wx/accel.h"
+#endif // wxUSE_ACCEL
+
+#include "wx/os2/private.h"
+
+// ---------------------------------------------------------------------------
+// macro
+// ---------------------------------------------------------------------------
+
+// hide the ugly cast
+#define GetHMenuOf(menu)    ((HMENU)menu->GetHMenu())
+
+// conditional compilation
+#if wxUSE_OWNER_DRAWN
+    #define OWNER_DRAWN_ONLY( code ) if ( IsOwnerDrawn() ) code
+#else // !wxUSE_OWNER_DRAWN
+    #define OWNER_DRAWN_ONLY( code )
+#endif // wxUSE_OWNER_DRAWN/!wxUSE_OWNER_DRAWN

 
 // ============================================================================
 // implementation
 
 // ============================================================================
 // implementation


@@ -24,9 +58,7 @@
 // dynamic classes implementation
 // ----------------------------------------------------------------------------
 
 // dynamic classes implementation
 // ----------------------------------------------------------------------------
 

-#if !USE_SHARED_LIBRARY
-  IMPLEMENT_DYNAMIC_CLASS(wxMenuItem, wxObject)
-#endif  //USE_SHARED_LIBRARY
+IMPLEMENT_DYNAMIC_CLASS(wxMenuItem, wxObject)

 
 // ----------------------------------------------------------------------------
 // wxMenuItem
 
 // ----------------------------------------------------------------------------
 // wxMenuItem


@@ -35,61 +67,421 @@
 // ctor & dtor
 // -----------
 
 // ctor & dtor
 // -----------
 

-wxMenuItem::wxMenuItem(wxMenu *pParentMenu, int id,
-                       const wxString& strName, const wxString& strHelp,
-                       bool bCheckable,
-                       wxMenu *pSubMenu) :
-                        m_bCheckable(bCheckable),
-                        m_strName(strName),
-                        m_strHelp(strHelp)
+wxMenuItem::wxMenuItem(
+  wxMenu*                           pParentMenu
+, int                               nId
+, const wxString&                   rsText
+, const wxString&                   rsHelp
+, wxItemKind                        eKind
+, wxMenu*                           pSubMenu
+)
+: wxMenuItemBase( pParentMenu
+                 ,nId
+                 ,wxPMTextToLabel(rsText)
+                 ,rsHelp
+                 ,eKind
+                 ,pSubMenu
+                )
+#if wxUSE_OWNER_DRAWN
+,  wxOwnerDrawn( wxPMTextToLabel(rsText)
+                ,eKind == wxITEM_CHECK
+               )
+#endif // owner drawn
+{
+    wxASSERT_MSG(pParentMenu != NULL, wxT("a menu item should have a parent"));
+    memset(&m_vMenuData, '\0', sizeof(m_vMenuData));
+    m_vMenuData.id = (USHORT)nId;
+
+    Init();
+} // end of wxMenuItem::wxMenuItem
+
+wxMenuItem::wxMenuItem(
+  wxMenu*                           pParentMenu
+, int                               nId
+, const wxString&                   rsText
+, const wxString&                   rsHelp
+, bool                              bIsCheckable
+, wxMenu*                           pSubMenu
+)
+: wxMenuItemBase( pParentMenu
+                 ,nId
+                 ,wxPMTextToLabel(rsText)
+                 ,rsHelp
+                 ,bIsCheckable ? wxITEM_CHECK : wxITEM_NORMAL
+                 ,pSubMenu
+                )
+#if wxUSE_OWNER_DRAWN
+,  wxOwnerDrawn( wxPMTextToLabel(rsText)
+                ,bIsCheckable
+               )
+#endif // owner drawn

 {
 {

-  wxASSERT( pParentMenu != NULL );
+    wxASSERT_MSG(pParentMenu != NULL, wxT("a menu item should have a parent"));
+    memset(&m_vMenuData, '\0', sizeof(m_vMenuData));
+    m_vMenuData.id = (USHORT)nId;

 
 

-  m_pParentMenu = pParentMenu;
-  m_pSubMenu    = pSubMenu;
-  m_idItem      = id;
-  m_bEnabled    = TRUE;
-}
+    Init();
+} // end of wxMenuItem::wxMenuItem

 
 

-wxMenuItem::~wxMenuItem() 
+void wxMenuItem::Init()

 {
 {

-}
+    m_vRadioGroup.m_nStart = -1;
+    m_bIsRadioGroupStart = FALSE;
+
+#if  wxUSE_OWNER_DRAWN
+    //
+    // Set default menu colors
+    //
+    #define SYS_COLOR(c) (wxSystemSettings::GetColour(wxSYS_COLOUR_##c))
+
+    SetTextColour(SYS_COLOR(MENUTEXT));
+    SetBackgroundColour(SYS_COLOR(MENU));
+
+    //
+    // We don't want normal items be owner-drawn
+    //
+    ResetOwnerDrawn();
+    #undef  SYS_COLOR
+
+    //
+    // Tell the owner drawing code to to show the accel string as well
+    //
+    SetAccelString(m_text.AfterFirst(_T('\t')));
+#endif // wxUSE_OWNER_DRAWN
+} // end of wxMenuItem::Init

 
 

-// misc
+wxMenuItem::~wxMenuItem()
+{
+} // end of wxMenuItem::~wxMenuItem
+
+//
+// Misc

 // ----
 
 // ----
 

-// delete the sub menu
-void wxMenuItem::DeleteSubMenu()
+//
+// Return the id for calling Win32 API functions
+//
+int wxMenuItem::GetRealId() const
+{
+    return m_subMenu ? (int)m_subMenu->GetHMenu() : GetId();
+} // end of wxMenuItem::GetRealId
+
+//
+// Get item state
+// --------------
+bool wxMenuItem::IsChecked() const

 {
 {

-  wxASSERT( m_pSubMenu != NULL );
+    USHORT uFlag = SHORT1FROMMR(::WinSendMsg( GetHMenuOf(m_parentMenu)
+                                             ,MM_QUERYITEMATTR
+                                             ,MPFROM2SHORT(GetId(), TRUE)
+                                             ,MPFROMSHORT(MIA_CHECKED)
+                                            ));

 
 

-  delete m_pSubMenu;
-  m_pSubMenu = NULL;
-}
+    return (uFlag & MIA_CHECKED) == MIA_CHECKED ;
+} // end of wxMenuItem::IsChecked
+
+wxString wxMenuItemBase::GetLabelText(
+  const wxString&                   rsText
+)
+{
+    wxString                        sLabel;
+
+    for (const wxChar* zPc = rsText.c_str(); *zPc; zPc++)
+    {
+        if (*zPc == wxT('~') || *zPc == wxT('&'))
+        {
+            //
+            // '~' is the escape character for OS/2PM and '&' is the one for
+            // wxWidgets - skip both of them
+            //
+            continue;
+        }
+        sLabel += *zPc;
+    }
+    return sLabel;
+} // end of wxMenuItemBase::GetLabelText
+
+//
+// Radio group stuff
+// -----------------
+//
+void wxMenuItem::SetAsRadioGroupStart()
+{
+    m_bIsRadioGroupStart = true;
+} // end of wxMenuItem::SetAsRadioGroupStart
+
+void wxMenuItem::SetRadioGroupStart(
+  int                               nStart
+)
+{
+    wxASSERT_MSG( !m_bIsRadioGroupStart
+                 ,_T("should only be called for the next radio items")
+                );
+
+    m_vRadioGroup.m_nStart = nStart;
+} // wxMenuItem::SetRadioGroupStart
+
+void wxMenuItem::SetRadioGroupEnd(
+  int                               nEnd
+)
+{
+    wxASSERT_MSG( m_bIsRadioGroupStart
+                 ,_T("should only be called for the first radio item")
+                );
+    m_vRadioGroup.m_nEnd = nEnd;
+} // end of wxMenuItem::SetRadioGroupEnd

 
 // change item state
 // -----------------
 
 
 // change item state
 // -----------------
 

-void wxMenuItem::Enable(bool bDoEnable)
+void wxMenuItem::Enable(
+  bool                              bEnable
+)
+{
+    bool                            bOk;
+
+    if (m_isEnabled == bEnable)
+        return;
+    if (bEnable)
+        bOk = (bool)::WinSendMsg( GetHMenuOf(m_parentMenu)
+                                 ,MM_SETITEMATTR
+                                 ,MPFROM2SHORT(GetRealId(), TRUE)
+                                 ,MPFROM2SHORT(MIA_DISABLED, FALSE)
+                                );
+    else
+        bOk = (bool)::WinSendMsg( GetHMenuOf(m_parentMenu)
+                                 ,MM_SETITEMATTR
+                                 ,MPFROM2SHORT(GetRealId(), TRUE)
+                                 ,MPFROM2SHORT(MIA_DISABLED, MIA_DISABLED)
+                                );
+    if (!bOk)
+    {
+        wxLogLastError(wxT("EnableMenuItem"));
+    }
+    wxMenuItemBase::Enable(bEnable);
+} // end of wxMenuItem::Enable
+
+void wxMenuItem::Check(
+  bool                              bCheck
+)

 {
 {

-  if ( m_bEnabled != bDoEnable ) {
-    if ( m_pSubMenu == NULL ) {     // normal menu item
-        // TODO
+    bool                            bOk;
+
+    wxCHECK_RET( IsCheckable(), wxT("only checkable items may be checked") );
+    if (m_isChecked == bCheck)
+        return;
+
+    HMENU                           hMenu = GetHmenuOf(m_parentMenu);
+
+    if (GetKind() == wxITEM_RADIO)
+    {
+        //
+        // It doesn't make sense to uncheck a radio item - what would this do?
+        //
+        if (!bCheck)
+            return;
+
+        //
+        // Get the index of this item in the menu
+        //
+        const wxMenuItemList&       rItems = m_parentMenu->GetMenuItems();
+        int                         nPos = rItems.IndexOf(this);
+
+        wxCHECK_RET( nPos != wxNOT_FOUND
+                    ,_T("menuitem not found in the menu items list?")
+                   );
+
+        //
+        // Get the radio group range
+        //
+        int                         nStart;
+        int                         nEnd;
+
+        if (m_bIsRadioGroupStart)
+        {
+            //
+            // We already have all information we need
+            //
+            nStart = nPos;
+            nEnd   = m_vRadioGroup.m_nEnd;
+        }
+        else // next radio group item
+        {
+            //
+            // Get the radio group end from the start item
+            //
+            nStart = m_vRadioGroup.m_nStart;
+            nEnd = rItems.Item(nStart)->GetData()->m_vRadioGroup.m_nEnd;
+        }
+
+        //
+        // Also uncheck all the other items in this radio group
+        //
+        wxMenuItemList::compatibility_iterator node = rItems.Item(nStart);
+
+        for (int n = nStart; n <= nEnd && node; n++)
+        {
+            if (n == nPos)
+            {
+                ::WinSendMsg( hMenu
+                             ,MM_SETITEMATTR
+                             ,MPFROM2SHORT(n, TRUE)
+                             ,MPFROM2SHORT(MIA_CHECKED, MIA_CHECKED)
+                            );
+            }
+            if (n != nPos)
+            {
+                node->GetData()->m_isChecked = FALSE;
+                ::WinSendMsg( hMenu
+                             ,MM_SETITEMATTR
+                             ,MPFROM2SHORT(n, TRUE)
+                             ,MPFROM2SHORT(MIA_CHECKED, FALSE)
+                            );
+            }
+            node = node->GetNext();
+        }

     }
     }

-    else                            // submenu
+    else // check item

     {
     {

-        // TODO
+        if (bCheck)
+            bOk = (bool)::WinSendMsg( hMenu
+                                     ,MM_SETITEMATTR
+                                     ,MPFROM2SHORT(GetRealId(), TRUE)
+                                     ,MPFROM2SHORT(MIA_CHECKED, MIA_CHECKED)
+                                    );
+        else
+            bOk = (bool)::WinSendMsg( hMenu
+                                     ,MM_SETITEMATTR
+                                     ,MPFROM2SHORT(GetRealId(), TRUE)
+                                     ,MPFROM2SHORT(MIA_CHECKED, FALSE)
+                                    );

     }
     }

+    if (!bOk)
+    {
+        wxLogLastError(wxT("CheckMenuItem"));
+    }
+    wxMenuItemBase::Check(bCheck);
+} // end of wxMenuItem::Check
+
+void wxMenuItem::SetItemLabel( const wxString& rText )
+{
+    //
+    // Don't do anything if label didn't change
+    //
+
+    wxString                        sText = wxPMTextToLabel(rText);
+    if (m_text == sText)
+        return;
+
+    // wxMenuItemBase will do stock ID checks
+    wxMenuItemBase::SetItemLabel(sText);
+
+    // m_text could now be different from 'text' if we are a stock menu item,
+    // so use only m_text below

 
 

-    m_bEnabled = bDoEnable;
-  }
-}
+    OWNER_DRAWN_ONLY(wxOwnerDrawn::SetName(m_text));
+#if  wxUSE_OWNER_DRAWN
+    if (rText.IsEmpty())
+        SetAccelString(m_text.AfterFirst(_T('\t')));
+    else
+        SetAccelString(rText.AfterFirst(_T('\t')));
+#endif // wxUSE_OWNER_DRAWN

 
 

-void wxMenuItem::Check(bool bDoCheck)
+    HWND                            hMenu = GetHmenuOf(m_parentMenu);
+
+    wxCHECK_RET(hMenu, wxT("menuitem without menu"));
+
+#if wxUSE_ACCEL
+    m_parentMenu->UpdateAccel(this);
+#endif // wxUSE_ACCEL
+
+    USHORT   uId = (USHORT)GetRealId();
+    MENUITEM vItem;
+    USHORT   uFlagsOld;
+
+    if (!::WinSendMsg( hMenu
+                      ,MM_QUERYITEM
+                      ,MPFROM2SHORT(uId, TRUE)
+                      ,(MPARAM)&vItem
+                     ))
+    {
+        wxLogLastError(wxT("GetMenuState"));
+    }
+    else
+    {
+        uFlagsOld = vItem.afStyle;
+        if (IsSubMenu())
+        {
+            uFlagsOld |= MIS_SUBMENU;
+        }
+
+        char*                       pData;
+
+#if wxUSE_OWNER_DRAWN
+        if (IsOwnerDrawn())
+        {
+            uFlagsOld |= MIS_OWNERDRAW;
+            pData = (char*)this;
+        }
+        else
+#endif  //owner drawn
+        {
+            uFlagsOld |= MIS_TEXT;
+            pData = (char*) m_text.wx_str();
+        }
+
+        //
+        // Set the style
+        //
+        if (!::WinSendMsg( hMenu
+                          ,MM_SETITEM
+                          ,MPFROM2SHORT(uId, TRUE)
+                          ,(MPARAM)&vItem
+                         ))
+        {
+            wxLogLastError(wxT("ModifyMenu"));
+        }
+
+        //
+        // Set the text
+        //
+        if (::WinSendMsg( hMenu
+                         ,MM_SETITEMTEXT
+                         ,MPFROMSHORT(uId)
+                         ,(MPARAM)pData
+                        ))
+        {
+            wxLogLastError(wxT("ModifyMenu"));
+        }
+    }
+} // end of wxMenuItem::SetText
+
+void wxMenuItem::SetCheckable(
+  bool                              bCheckable
+)

 {
 {

-  wxCHECK_RET( IsCheckable(), "only checkable items may be checked" );
+    wxMenuItemBase::SetCheckable(bCheckable);
+    OWNER_DRAWN_ONLY(wxOwnerDrawn::SetCheckable(bCheckable));
+} // end of wxMenuItem::SetCheckable

 
 

-  if ( m_bChecked != bDoCheck ) {
-    // TODO
-    m_bChecked = bDoCheck;
-  }
+// ----------------------------------------------------------------------------
+// wxMenuItemBase
+// ----------------------------------------------------------------------------
+
+wxMenuItem* wxMenuItemBase::New(
+  wxMenu*                           pParentMenu
+, int                               nId
+, const wxString&                   rName
+, const wxString&                   rHelp
+, wxItemKind                        kind
+, wxMenu*                           pSubMenu
+)
+{
+    return new wxMenuItem( pParentMenu
+                          ,nId
+                          ,rName
+                          ,rHelp
+                          ,kind
+                          ,pSubMenu
+                         );
+} // end of wxMenuItemBase::New