don't overwrite the existing local file if we failed to open it but it does exist

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

diff --git a/src/msw/menuitem.cpp b/src/msw/menuitem.cpp
index fa63e469a82dd29fdb3552ca8a85c855e3d798d0..2398a129a55c4251a7cd43c79f4629a01cc43444 100644 (file)
--- a/src/msw/menuitem.cpp
+++ b/src/msw/menuitem.cpp
@@ -1,12 +1,12 @@
 ///////////////////////////////////////////////////////////////////////////////
 ///////////////////////////////////////////////////////////////////////////////

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

 // Purpose:     wxMenuItem implementation
 // Author:      Vadim Zeitlin
 // Modified by:
 // Created:     11.11.97
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
 // Purpose:     wxMenuItem implementation
 // Author:      Vadim Zeitlin
 // Modified by:
 // Created:     11.11.97
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>

-// Licence:     wxWindows license
+// Licence:     wxWindows licence

 ///////////////////////////////////////////////////////////////////////////////
 
 // ===========================================================================
 ///////////////////////////////////////////////////////////////////////////////
 
 // ===========================================================================


@@ -17,10 +17,6 @@
 // headers
 // ---------------------------------------------------------------------------
 
 // headers
 // ---------------------------------------------------------------------------
 

-#ifdef __GNUG__
-    #pragma implementation "menuitem.h"
-#endif
-

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


@@ -28,29 +24,47 @@
     #pragma hdrstop
 #endif
 
     #pragma hdrstop
 #endif
 

+#if wxUSE_MENUS
+
+#include "wx/menuitem.h"
+#include "wx/stockitem.h"
+

 #ifndef WX_PRECOMP
     #include "wx/font.h"
     #include "wx/bitmap.h"
     #include "wx/settings.h"
 #ifndef WX_PRECOMP
     #include "wx/font.h"
     #include "wx/bitmap.h"
     #include "wx/settings.h"

-    #include "wx/font.h"
+    #include "wx/window.h"

     #include "wx/accel.h"
     #include "wx/accel.h"

-    #include "wx/menu.h"

     #include "wx/string.h"
     #include "wx/string.h"

-    #include "wx/window.h"
+    #include "wx/log.h"
+    #include "wx/menu.h"

 #endif
 
 #endif
 

-#include "wx/ownerdrw.h"
-#include "wx/menuitem.h"
-#include "wx/log.h"
+#if wxUSE_ACCEL
+    #include "wx/accel.h"
+#endif // wxUSE_ACCEL

 
 #include "wx/msw/private.h"
 
 
 #include "wx/msw/private.h"
 

+#ifdef __WXWINCE__
+// Implemented in menu.cpp
+UINT GetMenuState(HMENU hMenu, UINT id, UINT flags) ;
+#endif
+

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

-// convenience macro
+// macro

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

+// hide the ugly cast

 #define GetHMenuOf(menu)    ((HMENU)menu->GetHMenu())
 
 #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
 // ============================================================================


@@ -59,14 +73,48 @@
 // dynamic classes implementation
 // ----------------------------------------------------------------------------
 
 // dynamic classes implementation
 // ----------------------------------------------------------------------------
 

-#if     !defined(USE_SHARED_LIBRARY) || !USE_SHARED_LIBRARY
-#if wxUSE_OWNER_DRAWN
-  IMPLEMENT_DYNAMIC_CLASS2(wxMenuItem, wxObject, wxOwnerDrawn)
-#else   //!USE_OWNER_DRAWN
-  IMPLEMENT_DYNAMIC_CLASS(wxMenuItem, wxObject)
-#endif  //USE_OWNER_DRAWN
+#if wxUSE_EXTENDED_RTTI
+
+bool wxMenuItemStreamingCallback( const wxObject *object, wxWriter * , wxPersister * , wxxVariantArray & )
+{
+    const wxMenuItem * mitem = dynamic_cast<const wxMenuItem*>(object) ;
+    if ( mitem->GetMenu() && !mitem->GetMenu()->GetTitle().empty() )
+    {
+        // we don't stream out the first two items for menus with a title, they will be reconstructed
+        if ( mitem->GetMenu()->FindItemByPosition(0) == mitem || mitem->GetMenu()->FindItemByPosition(1) == mitem )
+            return false ;
+    }
+    return true ;
+}

 
 

-#endif  //USE_SHARED_LIBRARY
+wxBEGIN_ENUM( wxItemKind )
+    wxENUM_MEMBER( wxITEM_SEPARATOR )
+    wxENUM_MEMBER( wxITEM_NORMAL )
+    wxENUM_MEMBER( wxITEM_CHECK )
+    wxENUM_MEMBER( wxITEM_RADIO )
+wxEND_ENUM( wxItemKind )
+
+IMPLEMENT_DYNAMIC_CLASS_XTI_CALLBACK(wxMenuItem, wxObject,"wx/menuitem.h",wxMenuItemStreamingCallback)
+
+wxBEGIN_PROPERTIES_TABLE(wxMenuItem)
+    wxPROPERTY( Parent,wxMenu*, SetMenu, GetMenu, EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
+    wxPROPERTY( Id,int, SetId, GetId, EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
+    wxPROPERTY( Text, wxString , SetText, GetText, wxString(), 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
+    wxPROPERTY( Help, wxString , SetHelp, GetHelp, wxString(), 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
+    wxREADONLY_PROPERTY( Kind, wxItemKind , GetKind , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
+    wxPROPERTY( SubMenu,wxMenu*, SetSubMenu, GetSubMenu, EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
+    wxPROPERTY( Enabled , bool , Enable , IsEnabled , wxxVariant((bool)true) , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
+    wxPROPERTY( Checked , bool , Check , IsChecked , wxxVariant((bool)false) , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
+    wxPROPERTY( Checkable , bool , SetCheckable , IsCheckable , wxxVariant((bool)false) , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
+wxEND_PROPERTIES_TABLE()
+
+wxBEGIN_HANDLERS_TABLE(wxMenuItem)
+wxEND_HANDLERS_TABLE()
+
+wxDIRECT_CONSTRUCTOR_6( wxMenuItem , wxMenu* , Parent , int , Id , wxString , Text , wxString , Help , wxItemKind , Kind , wxMenu* , SubMenu  )
+#else
+IMPLEMENT_DYNAMIC_CLASS(wxMenuItem, wxObject)
+#endif

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


@@ -75,38 +123,59 @@
 // ctor & dtor
 // -----------
 
 // ctor & dtor
 // -----------
 

-wxMenuItem::wxMenuItem(wxMenu *pParentMenu, int id,
-                       const wxString& strName, const wxString& strHelp,
-                       bool bCheckable,
-                       wxMenu *pSubMenu) :
+wxMenuItem::wxMenuItem(wxMenu *pParentMenu,
+                       int id,
+                       const wxString& text,
+                       const wxString& strHelp,
+                       wxItemKind kind,
+                       wxMenu *pSubMenu)
+          : wxMenuItemBase(pParentMenu, id, text, strHelp, kind, pSubMenu)

 #if wxUSE_OWNER_DRAWN
 #if wxUSE_OWNER_DRAWN

-                        wxOwnerDrawn(strName, bCheckable),
-#else   //no owner drawn support
-                        m_bCheckable(bCheckable),
-                        m_strName(strName),
-#endif  //owner drawn
-                        m_strHelp(strHelp)
+            , wxOwnerDrawn(text, kind == wxITEM_CHECK, true)
+#endif // owner drawn

 {
 {

-    wxASSERT_MSG( pParentMenu != NULL, "a menu item should have a parent" );
+    Init();
+}
+
+wxMenuItem::wxMenuItem(wxMenu *parentMenu,
+                       int id,
+                       const wxString& text,
+                       const wxString& help,
+                       bool isCheckable,
+                       wxMenu *subMenu)
+          : wxMenuItemBase(parentMenu, id, text, help,
+                           isCheckable ? wxITEM_CHECK : wxITEM_NORMAL, subMenu)
+#if wxUSE_OWNER_DRAWN
+           , wxOwnerDrawn(text, isCheckable, true)
+#endif // owner drawn
+{
+    Init();
+}
+
+void wxMenuItem::Init()
+{
+    m_radioGroup.start = -1;
+    m_isRadioGroupStart = false;

 
 #if  wxUSE_OWNER_DRAWN
 
 #if  wxUSE_OWNER_DRAWN

-    // set default menu colors
-    #define SYS_COLOR(c) (wxSystemSettings::GetSystemColour(wxSYS_COLOUR_##c))

 
 

-    SetTextColour(SYS_COLOR(MENUTEXT));
-    SetBackgroundColour(SYS_COLOR(MENU));
+    // when the color is not valid, wxOwnerDraw takes the default ones.
+    // If we set the colors here and they are changed by the user during
+    // the execution, then the colors are not updated until the application
+    // is restarted and our menus look bad
+    SetTextColour(wxNullColour);
+    SetBackgroundColour(wxNullColour);

 
 

-    // we don't want normal items be owner-drawn
+    // setting default colors switched ownerdraw on: switch it off again

     ResetOwnerDrawn();
 
     ResetOwnerDrawn();
 

-    #undef  SYS_COLOR
-#endif
+    //  switch ownerdraw back on if using a non default margin
+    if ( GetId() != wxID_SEPARATOR )
+        SetMarginWidth(GetMarginWidth());

 
 

-    m_pParentMenu = pParentMenu;
-    m_pSubMenu    = pSubMenu;
-    m_bEnabled    = TRUE;
-    m_bChecked    = FALSE;
-    m_idItem      = id;
+    // tell the owner drawing code to show the accel string as well
+    SetAccelString(m_text.AfterFirst(_T('\t')));
+#endif // wxUSE_OWNER_DRAWN

 }
 
 wxMenuItem::~wxMenuItem()
 }
 
 wxMenuItem::~wxMenuItem()


@@ -119,69 +188,188 @@ wxMenuItem::~wxMenuItem()
 // return the id for calling Win32 API functions
 int wxMenuItem::GetRealId() const
 {
 // return the id for calling Win32 API functions
 int wxMenuItem::GetRealId() const
 {

-    return m_pSubMenu ? (int)m_pSubMenu->GetHMenu() : GetId();
+    return m_subMenu ? (int)m_subMenu->GetHMenu() : GetId();

 }
 
 }
 

-// delete the sub menu
-// -------------------
-void wxMenuItem::DeleteSubMenu()
+// get item state
+// --------------
+
+bool wxMenuItem::IsChecked() const

 {
 {

-    delete m_pSubMenu;
-    m_pSubMenu = NULL;
+    // fix that RTTI is always getting the correct state (separators cannot be checked, but the call below
+    // returns true
+    if ( GetId() == wxID_SEPARATOR )
+        return false ;
+
+    int flag = ::GetMenuState(GetHMenuOf(m_parentMenu), GetId(), MF_BYCOMMAND);
+
+    return (flag & MF_CHECKED) != 0;
+}
+
+/* static */
+wxString wxMenuItemBase::GetLabelText(const wxString& text)
+{
+    return wxStripMenuCodes(text);
+}
+
+// radio group stuff
+// -----------------
+
+void wxMenuItem::SetAsRadioGroupStart()
+{
+    m_isRadioGroupStart = true;
+}
+
+void wxMenuItem::SetRadioGroupStart(int start)
+{
+    wxASSERT_MSG( !m_isRadioGroupStart,
+                  _T("should only be called for the next radio items") );
+
+    m_radioGroup.start = start;
+}
+
+void wxMenuItem::SetRadioGroupEnd(int end)
+{
+    wxASSERT_MSG( m_isRadioGroupStart,
+                  _T("should only be called for the first radio item") );
+
+    m_radioGroup.end = end;

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

-void wxMenuItem::Enable(bool bDoEnable)
+void wxMenuItem::Enable(bool enable)

 {
 {

-    if ( m_bEnabled != bDoEnable ) {
-        long rc = EnableMenuItem(GetHMenuOf(m_pParentMenu),
-                                 GetRealId(),
-                                 MF_BYCOMMAND |
-                                 (bDoEnable ? MF_ENABLED : MF_GRAYED));
+    if ( m_isEnabled == enable )
+        return;

 
 

-        if ( rc == -1 ) {
-            wxLogLastError("EnableMenuItem");
-        }
+    long rc = EnableMenuItem(GetHMenuOf(m_parentMenu),
+                             GetRealId(),
+                             MF_BYCOMMAND |
+                             (enable ? MF_ENABLED : MF_GRAYED));

 
 

-        m_bEnabled = bDoEnable;
+    if ( rc == -1 ) {
+        wxLogLastError(wxT("EnableMenuItem"));

     }
     }

+
+    wxMenuItemBase::Enable(enable);

 }
 
 }
 

-void wxMenuItem::Check(bool bDoCheck)
+void wxMenuItem::Check(bool check)

 {
 {

-    wxCHECK_RET( IsCheckable(), "only checkable items may be checked" );
+    wxCHECK_RET( IsCheckable(), wxT("only checkable items may be checked") );
+
+    if ( m_isChecked == check )
+        return;
+
+    int flags = check ? MF_CHECKED : MF_UNCHECKED;
+    HMENU hmenu = GetHMenuOf(m_parentMenu);
+
+    if ( GetKind() == wxITEM_RADIO )
+    {
+        // it doesn't make sense to uncheck a radio item - what would this do?
+        if ( !check )
+            return;

 
 

-    if ( m_bChecked != bDoCheck ) {
-        long rc = CheckMenuItem(GetHMenuOf(m_pParentMenu),
-                                GetId(),
-                                MF_BYCOMMAND |
-                                (bDoCheck ? MF_CHECKED : MF_UNCHECKED));
+        // get the index of this item in the menu
+        const wxMenuItemList& items = m_parentMenu->GetMenuItems();
+        int pos = items.IndexOf(this);
+        wxCHECK_RET( pos != wxNOT_FOUND,
+                     _T("menuitem not found in the menu items list?") );

 
 

-        if ( rc == -1 ) {
-            wxLogLastError("CheckMenuItem");
+        // get the radio group range
+        int start,
+            end;
+
+        if ( m_isRadioGroupStart )
+        {
+            // we already have all information we need
+            start = pos;
+            end = m_radioGroup.end;
+        }
+        else // next radio group item
+        {
+            // get the radio group end from the start item
+            start = m_radioGroup.start;
+            end = items.Item(start)->GetData()->m_radioGroup.end;

         }
 
         }
 

-        m_bChecked = bDoCheck;
+#ifdef __WIN32__
+        // calling CheckMenuRadioItem() with such parameters hangs my system
+        // (NT4 SP6) and I suspect this could happen to the others as well - so
+        // don't do it!
+        wxCHECK_RET( start != -1 && end != -1,
+                     _T("invalid ::CheckMenuRadioItem() parameter(s)") );
+
+        if ( !::CheckMenuRadioItem(hmenu,
+                                   start,   // the first radio group item
+                                   end,     // the last one
+                                   pos,     // the one to check
+                                   MF_BYPOSITION) )
+        {
+            wxLogLastError(_T("CheckMenuRadioItem"));
+        }
+#endif // __WIN32__
+
+        // also uncheck all the other items in this radio group
+        wxMenuItemList::compatibility_iterator node = items.Item(start);
+        for ( int n = start; n <= end && node; n++ )
+        {
+            if ( n != pos )
+            {
+                node->GetData()->m_isChecked = false;
+            }
+
+            node = node->GetNext();
+        }
+    }
+    else // check item
+    {
+        if ( ::CheckMenuItem(hmenu,
+                             GetRealId(),
+                             MF_BYCOMMAND | flags) == (DWORD)-1 )
+        {
+            wxFAIL_MSG( _T("CheckMenuItem() failed, item not in the menu?") );
+        }

     }
     }

+
+    wxMenuItemBase::Check(check);

 }
 
 }
 

-void wxMenuItem::SetName(const wxString& strName)
+void wxMenuItem::SetItemLabel(const wxString& txt)

 {
 {

+    wxString text = txt;
+

     // don't do anything if label didn't change
     // don't do anything if label didn't change

-    if ( m_strName == strName )
+    if ( m_text == txt )

         return;
 
         return;
 

-    m_strName = strName;
+    // wxMenuItemBase will do stock ID checks
+    wxMenuItemBase::SetItemLabel(text);
+
+    // m_text could now be different from 'text' if we are a stock menu item,
+    // so use only m_text below

 
 

-    HMENU hMenu = GetHMenuOf(m_pParentMenu);
+    OWNER_DRAWN_ONLY( wxOwnerDrawn::SetName(m_text) );
+#if wxUSE_OWNER_DRAWN
+    // tell the owner drawing code to to show the accel string as well
+    SetAccelString(m_text.AfterFirst(_T('\t')));
+#endif
+
+    HMENU hMenu = GetHMenuOf(m_parentMenu);
+    wxCHECK_RET( hMenu, wxT("menuitem without menu") );
+
+#if wxUSE_ACCEL
+    m_parentMenu->UpdateAccel(this);
+#endif // wxUSE_ACCEL

 
     UINT id = GetRealId();
     UINT flagsOld = ::GetMenuState(hMenu, id, MF_BYCOMMAND);
     if ( flagsOld == 0xFFFFFFFF )
     {
 
     UINT id = GetRealId();
     UINT flagsOld = ::GetMenuState(hMenu, id, MF_BYCOMMAND);
     if ( flagsOld == 0xFFFFFFFF )
     {

-        wxLogLastError("GetMenuState");
+        // It's not an error, it means that the menu item doesn't exist
+        //wxLogLastError(wxT("GetMenuState"));

     }
     else
     {
     }
     else
     {


@@ -192,26 +380,67 @@ void wxMenuItem::SetName(const wxString& strName)
             flagsOld |= MF_POPUP;
         }
 
             flagsOld |= MF_POPUP;
         }
 

-        LPCSTR data;
+        LPCTSTR data;
+

 #if wxUSE_OWNER_DRAWN
         if ( IsOwnerDrawn() )
         {
             flagsOld |= MF_OWNERDRAW;
 #if wxUSE_OWNER_DRAWN
         if ( IsOwnerDrawn() )
         {
             flagsOld |= MF_OWNERDRAW;

-            data = (LPCSTR)this;
+            data = (LPCTSTR)this;

         }
         else
 #endif  //owner drawn
         {
             flagsOld |= MF_STRING;
         }
         else
 #endif  //owner drawn
         {
             flagsOld |= MF_STRING;

-            data = strName;
+            data = (wxChar*) m_text.wx_str();

         }
 
         }
 

+#ifdef __WXWINCE__
+        // FIXME: complete this, applying the old
+        // flags.
+        // However, the WinCE doc for SetMenuItemInfo
+        // says that you can't use it to set the menu
+        // item state; only data, id and type.
+        MENUITEMINFO info;
+        wxZeroMemory(info);
+        info.cbSize = sizeof(info);
+        info.fMask = MIIM_TYPE;
+        info.fType = MFT_STRING;
+        info.cch = m_text.length();
+        info.dwTypeData = (LPTSTR) data ;
+        if ( !::SetMenuItemInfo(hMenu, id, FALSE, & info) )
+        {
+            wxLogLastError(wxT("SetMenuItemInfo"));
+        }
+#else

         if ( ::ModifyMenu(hMenu, id,
                           MF_BYCOMMAND | flagsOld,
         if ( ::ModifyMenu(hMenu, id,
                           MF_BYCOMMAND | flagsOld,

-                          id, data) == 0xFFFFFFFF )
+                          id, data) == (int)0xFFFFFFFF )

         {
         {

-            wxLogLastError("ModifyMenu");
+            wxLogLastError(wxT("ModifyMenu"));

         }
         }

+#endif

     }
 }
 
     }
 }
 

+void wxMenuItem::SetCheckable(bool checkable)
+{
+    wxMenuItemBase::SetCheckable(checkable);
+    OWNER_DRAWN_ONLY( wxOwnerDrawn::SetCheckable(checkable) );
+}
+
+// ----------------------------------------------------------------------------
+// wxMenuItemBase
+// ----------------------------------------------------------------------------
+
+wxMenuItem *wxMenuItemBase::New(wxMenu *parentMenu,
+                                int id,
+                                const wxString& name,
+                                const wxString& help,
+                                wxItemKind kind,
+                                wxMenu *subMenu)
+{
+    return new wxMenuItem(parentMenu, id, name, help, kind, subMenu);
+}
+
+#endif // wxUSE_MENUS