dolphin/Externals/wxWidgets/src/msw/menuitem.cpp

446 lines
14 KiB
C++

///////////////////////////////////////////////////////////////////////////////
// Name: src/msw/menuitem.cpp
// Purpose: wxMenuItem implementation
// Author: Vadim Zeitlin
// Modified by:
// Created: 11.11.97
// RCS-ID: $Id: menuitem.cpp 41021 2006-09-05 21:00:55Z VZ $
// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
// ===========================================================================
// declarations
// ===========================================================================
// ---------------------------------------------------------------------------
// headers
// ---------------------------------------------------------------------------
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#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"
#include "wx/window.h"
#include "wx/accel.h"
#include "wx/string.h"
#include "wx/log.h"
#include "wx/menu.h"
#endif
#if wxUSE_ACCEL
#include "wx/accel.h"
#endif // wxUSE_ACCEL
#include "wx/msw/private.h"
#ifdef __WXWINCE__
// Implemented in menu.cpp
UINT GetMenuState(HMENU hMenu, UINT id, UINT flags) ;
#endif
// ---------------------------------------------------------------------------
// 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
// ============================================================================
// ----------------------------------------------------------------------------
// dynamic classes implementation
// ----------------------------------------------------------------------------
#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 ;
}
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
// ----------------------------------------------------------------------------
// ctor & dtor
// -----------
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
, wxOwnerDrawn(text, kind == wxITEM_CHECK, true)
#endif // owner drawn
{
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
// 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);
// setting default colors switched ownerdraw on: switch it off again
ResetOwnerDrawn();
// switch ownerdraw back on if using a non default margin
if ( GetId() != wxID_SEPARATOR )
SetMarginWidth(GetMarginWidth());
// tell the owner drawing code to show the accel string as well
SetAccelString(m_text.AfterFirst(_T('\t')));
#endif // wxUSE_OWNER_DRAWN
}
wxMenuItem::~wxMenuItem()
{
}
// misc
// ----
// return the id for calling Win32 API functions
int wxMenuItem::GetRealId() const
{
return m_subMenu ? (int)m_subMenu->GetHMenu() : GetId();
}
// get item state
// --------------
bool wxMenuItem::IsChecked() const
{
// 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::GetLabelFromText(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
// -----------------
void wxMenuItem::Enable(bool enable)
{
if ( m_isEnabled == enable )
return;
long rc = EnableMenuItem(GetHMenuOf(m_parentMenu),
GetRealId(),
MF_BYCOMMAND |
(enable ? MF_ENABLED : MF_GRAYED));
if ( rc == -1 ) {
wxLogLastError(wxT("EnableMenuItem"));
}
wxMenuItemBase::Enable(enable);
}
void wxMenuItem::Check(bool check)
{
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;
// 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?") );
// 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;
}
#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::SetText(const wxString& txt)
{
wxString text = txt;
// don't do anything if label didn't change
if ( m_text == txt )
return;
// wxMenuItemBase will do stock ID checks
wxMenuItemBase::SetText(text);
// m_text could now be different from 'text' if we are a stock menu item,
// so use only m_text below
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 )
{
// It's not an error, it means that the menu item doesn't exist
//wxLogLastError(wxT("GetMenuState"));
}
else
{
if ( IsSubMenu() )
{
// high byte contains the number of items in a submenu for submenus
flagsOld &= 0xFF;
flagsOld |= MF_POPUP;
}
LPCTSTR data;
#if wxUSE_OWNER_DRAWN
if ( IsOwnerDrawn() )
{
flagsOld |= MF_OWNERDRAW;
data = (LPCTSTR)this;
}
else
#endif //owner drawn
{
flagsOld |= MF_STRING;
data = (wxChar*) m_text.c_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,
id, data) == (int)0xFFFFFFFF )
{
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