///////////////////////////////////////////////////////////////////////////////
// Name: menuitem.cpp
// Purpose: wxMenuItem implementation
-// Author: AUTHOR
-// Modified by:
-// Created: ??/??/98
+// Author: David Webster
+// Modified by:
+// Created: 10/10/98
// RCS-ID: $Id$
-// Copyright: (c) AUTHOR
+// Copyright: (c) David Webster
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
// headers & declarations
// ============================================================================
-#include "wx/menu.h"
+#ifdef __GNUG__
+ #pragma implementation "menuitem.h"
+#endif
+
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.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/menu.h"
+ #include "wx/string.h"
+#endif
+
#include "wx/menuitem.h"
+#include "wx/log.h"
+
+#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
+
+// ----------------------------------------------------------------------------
+// static function for translating menu labels
+// ----------------------------------------------------------------------------
+
+static wxString TextToLabel(const wxString& rTitle)
+{
+ wxString Title;
+ const wxChar *pc;
+ for (pc = rTitle.c_str(); *pc != wxT('\0'); pc++ )
+ {
+ if (*pc == wxT('&') )
+ {
+ if (*(pc+1) == wxT('&'))
+ {
+ pc++;
+ Title << wxT('&');
+ }
+ else
+ Title << wxT('~');
+ }
+ else
+ {
+ if ( *pc == wxT('~') )
+ {
+ // tildes must be doubled to prevent them from being
+ // interpreted as accelerator character prefix by PM ???
+ Title << *pc;
+ }
+ Title << *pc;
+ }
+ }
+ return Title;
+}
// ============================================================================
// implementation
// dynamic classes implementation
// ----------------------------------------------------------------------------
-#if !USE_SHARED_LIBRARY
- IMPLEMENT_DYNAMIC_CLASS(wxMenuItem, wxObject)
-#endif //USE_SHARED_LIBRARY
+IMPLEMENT_DYNAMIC_CLASS(wxMenuItem, wxObject)
// ----------------------------------------------------------------------------
// wxMenuItem
// 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
+ ,TextToLabel(rsText)
+ ,rsHelp
+ ,eKind
+ ,pSubMenu
+ )
+#if wxUSE_OWNER_DRAWN
+, wxOwnerDrawn( TextToLabel(rsText)
+ ,eKind == wxITEM_CHECK
+ )
+#endif // owner drawn
{
- wxASSERT( pParentMenu != NULL );
+ wxASSERT_MSG(pParentMenu != NULL, wxT("a menu item should have a parent"));
- m_pParentMenu = pParentMenu;
- m_pSubMenu = pSubMenu;
- m_idItem = id;
- m_bEnabled = TRUE;
-}
+ Init();
+} // end of wxMenuItem::wxMenuItem
-wxMenuItem::~wxMenuItem()
+wxMenuItem::wxMenuItem(
+ wxMenu* pParentMenu
+, int nId
+, const wxString& rsText
+, const wxString& rsHelp
+, bool bIsCheckable
+, wxMenu* pSubMenu
+)
+: wxMenuItemBase( pParentMenu
+ ,nId
+ ,TextToLabel(rsText)
+ ,rsHelp
+ ,bIsCheckable ? wxITEM_CHECK : wxITEM_NORMAL
+ ,pSubMenu
+ )
+#if wxUSE_OWNER_DRAWN
+, wxOwnerDrawn( TextToLabel(rsText)
+ ,bIsCheckable
+ )
+#endif // owner drawn
{
-}
+ wxASSERT_MSG(pParentMenu != NULL, wxT("a menu item should have a parent"));
+
+ Init();
+} // end of 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))
-// misc
+ SetTextColour(SYS_COLOR(MENUTEXT));
+ SetBackgroundColour(SYS_COLOR(MENU));
+
+ #undef SYS_COLOR
+
+ //
+ // We don't want normal items be owner-drawn
+ //
+ ResetOwnerDrawn();
+
+ //
+ // 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
+
+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
{
- wxASSERT( m_pSubMenu != NULL );
+ return m_subMenu ? (int)m_subMenu->GetHMenu() : GetId();
+} // end of wxMenuItem::GetRealId
- delete m_pSubMenu;
- m_pSubMenu = NULL;
+//
+// Get item state
+// --------------
+bool wxMenuItem::IsChecked() const
+{
+ USHORT uFlag = SHORT1FROMMR(::WinSendMsg( GetHMenuOf(m_parentMenu)
+ ,MM_QUERYITEMATTR
+ ,MPFROM2SHORT(GetId(), TRUE)
+ ,MPFROMSHORT(MIA_CHECKED)
+ ));
+
+ return (uFlag & MIA_CHECKED);
+} // end of wxMenuItem::IsChecked
+
+wxString wxMenuItemBase::GetLabelFromText(
+ const wxString& rText
+)
+{
+ wxString label;
+ for ( const wxChar *pc = rText.c_str(); *pc; pc++ )
+ {
+ if ( *pc == wxT('~') || *pc == wxT('&') )
+ {
+ // '~' is the escape character for GTK+ and '&' is the one for
+ // wxWindows - skip both of them
+ continue;
+ }
+
+ label += *pc;
+ }
+ return label;
}
+// 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;
+} // end of 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
// -----------------
-void wxMenuItem::Enable(bool bDoEnable)
+void wxMenuItem::Enable(
+ bool bEnable
+)
{
- if ( m_bEnabled != bDoEnable ) {
- if ( m_pSubMenu == NULL ) { // normal menu item
- // TODO
+ 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("EnableMenuItem");
}
- else // submenu
+ wxMenuItemBase::Enable(bEnable);
+} // end of wxMenuItem::Enable
+
+void wxMenuItem::Check(
+ bool bCheck
+)
+{
+ 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 )
{
- // TODO
+ //
+ // 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);
+ int nStart;
+ int nEnd;
+
+ wxCHECK_RET( nPos != wxNOT_FOUND,
+ _T("menuitem not found in the menu items list?") );
+
+ //
+ // Get the radio group range
+ //
+
+ 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::Node* pNode = rItems.Item(nStart);
+
+ for (int n = nStart; n <= nEnd && pNode; n++)
+ {
+ if (n != nPos)
+ {
+ pNode->GetData()->m_isChecked = FALSE;
+ }
+
+ if (n == nPos)
+ {
+ bOk = (bool)::WinSendMsg( hMenu
+ ,MM_SETITEMATTR
+ ,MPFROM2SHORT(n, TRUE)
+ ,MPFROM2SHORT(MIA_CHECKED, MIA_CHECKED)
+ );
+ }
+ else
+ {
+ bOk = (bool)::WinSendMsg( hMenu
+ ,MM_SETITEMATTR
+ ,MPFROM2SHORT(n, TRUE)
+ ,MPFROM2SHORT(MIA_CHECKED, FALSE)
+ );
+ }
+ pNode = pNode->GetNext();
+ }
}
+ else // check item
+ {
+ 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("CheckMenuItem");
+ }
+ wxMenuItemBase::Check(bCheck);
+} // end of wxMenuItem::Check
- m_bEnabled = bDoEnable;
- }
-}
+void wxMenuItem::SetText(
+ const wxString& rText
+)
+{
+ //
+ // Don't do anything if label didn't change
+ //
+
+ wxString sText = TextToLabel(rText);
+ if (m_text == sText)
+ return;
+
+ wxMenuItemBase::SetText(sText);
+ OWNER_DRAWN_ONLY(wxOwnerDrawn::SetName(sText));
+
+ HWND hMenu = GetHmenuOf(m_parentMenu);
+
+ wxCHECK_RET(hMenu, wxT("menuitem without menu"));
+
+#if wxUSE_ACCEL
+ m_parentMenu->UpdateAccel(this);
+#endif // wxUSE_ACCEL
+
+ USHORT uId = GetRealId();
+ MENUITEM vItem;
+ USHORT uFlagsOld;
+
+ if (!::WinSendMsg( hMenu
+ ,MM_QUERYITEM
+ ,MPFROM2SHORT(uId, TRUE)
+ ,(MPARAM)&vItem
+ ))
+ {
+ wxLogLastError("GetMenuState");
+ }
+ else
+ {
+ uFlagsOld = vItem.afStyle;
+ if (IsSubMenu())
+ {
+ uFlagsOld |= MIS_SUBMENU;
+ }
+
+ BYTE* pData;
+
+#if wxUSE_OWNER_DRAWN
+ if (IsOwnerDrawn())
+ {
+ uFlagsOld |= MIS_OWNERDRAW;
+ pData = (BYTE*)this;
+ }
+ else
+#endif //owner drawn
+ {
+ uFlagsOld |= MIS_TEXT;
+ pData = (BYTE*)sText.c_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
+)
+{
+ wxMenuItemBase::SetCheckable(bCheckable);
+ OWNER_DRAWN_ONLY(wxOwnerDrawn::SetCheckable(bCheckable));
+} // end of wxMenuItem::SetCheckable
+
+// ----------------------------------------------------------------------------
+// wxMenuItemBase
+// ----------------------------------------------------------------------------
-void wxMenuItem::Check(bool bDoCheck)
+wxMenuItem* wxMenuItemBase::New(
+ wxMenu* pParentMenu
+, int nId
+, const wxString& rName
+, const wxString& rHelp
+, wxItemKind kind
+, wxMenu* pSubMenu
+)
{
- wxCHECK_RET( IsCheckable(), "only checkable items may be checked" );
+ return new wxMenuItem( pParentMenu
+ ,nId
+ ,rName
+ ,rHelp
+ ,kind
+ ,pSubMenu
+ );
+} // end of wxMenuItemBase::New
- if ( m_bChecked != bDoCheck ) {
- // TODO
- m_bChecked = bDoCheck;
- }
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