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menu.cpp
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2002-12-17
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/////////////////////////////////////////////////////////////////////////////
// Name: menu.cpp
// Purpose: wxMenu, wxMenuBar, wxMenuItem
// Author: David Webster
// Modified by:
// Created: 10/10/99
// RCS-ID: $Id: MENU.CPP,v 1.37.2.1 2002/12/16 18:34:26 DW Exp $
// Copyright: (c) David Webster
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
#pragma implementation "menu.h"
#endif
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifndef WX_PRECOMP
#include "wx/app.h"
#include "wx/frame.h"
#include "wx/menu.h"
#include "wx/utils.h"
#include "wx/intl.h"
#include "wx/log.h"
#endif
#if wxUSE_OWNER_DRAWN
#include "wx/ownerdrw.h"
#endif
#include "wx/os2/private.h"
// other standard headers
#include <string.h>
// ----------------------------------------------------------------------------
// global variables
// ----------------------------------------------------------------------------
extern wxMenu* wxCurrentPopupMenu;
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
//
// The (popup) menu title has this special id
//
static const int idMenuTitle = -2;
//
// The unique ID for Menus
//
#ifdef __VISAGECPP__
USHORT wxMenu::m_nextMenuId = 0;
#else
static USHORT wxMenu::m_nextMenuId = 0;
#endif
// ----------------------------------------------------------------------------
// macros
// ----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(wxMenu, wxEvtHandler)
IMPLEMENT_DYNAMIC_CLASS(wxMenuBar, wxEvtHandler)
// ----------------------------------------------------------------------------
// static function for translating menu labels
// ----------------------------------------------------------------------------
static wxString TextToLabel(
const wxString& rsTitle
)
{
wxString sTitle = "";
const wxChar* zPc;
if (rsTitle.IsEmpty())
return sTitle;
for (zPc = rsTitle.c_str(); *zPc != wxT('\0'); zPc++ )
{
if (*zPc == wxT('&') )
{
if (*(zPc + 1) == wxT('&'))
{
zPc++;
sTitle << wxT('&');
}
else
sTitle << wxT('~');
}
else
{
if ( *zPc == wxT('~') )
{
//
// Tildes must be doubled to prevent them from being
// interpreted as accelerator character prefix by PM ???
//
sTitle << *zPc;
}
sTitle << *zPc;
}
}
return sTitle;
} // end of TextToLabel
// ============================================================================
// implementation
// ============================================================================
// ---------------------------------------------------------------------------
// wxMenu construction, adding and removing menu items
// ---------------------------------------------------------------------------
//
// Construct a menu with optional title (then use append)
//
void wxMenu::Init()
{
m_bDoBreak = FALSE;
m_nStartRadioGroup = -1;
//
// Create the menu (to be used as a submenu or a popup)
//
if ((m_hMenu = ::WinCreateWindow( HWND_DESKTOP
,WC_MENU
,"Menu"
,0L
,0L
,0L
,0L
,0L
,NULLHANDLE
,HWND_TOP
,0L
,NULL
,NULL
)) == 0)
{
wxLogLastError("WinLoadMenu");
}
m_vMenuData.iPosition = 0;
m_vMenuData.afStyle = MIS_SUBMENU | MIS_TEXT;
m_vMenuData.afAttribute = (USHORT)0;
m_vMenuData.id = m_nextMenuId++;
m_vMenuData.hwndSubMenu = m_hMenu;
m_vMenuData.hItem = NULLHANDLE;
//
// If we have a title, insert it in the beginning of the menu
//
if (!m_title.IsEmpty())
{
Append( idMenuTitle
,m_title
,wxEmptyString
,wxITEM_NORMAL
);
AppendSeparator();
}
} // end of wxMenu::Init
//
// The wxWindow destructor will take care of deleting the submenus.
//
wxMenu::~wxMenu()
{
//
// We should free PM resources only if PM doesn't do it for us
// which happens if we're attached to a menubar or a submenu of another
// menu
if (!IsAttached() && !GetParent())
{
if (!::WinDestroyWindow((HWND)GetHmenu()) )
{
wxLogLastError("WinDestroyWindow");
}
}
#if wxUSE_ACCEL
//
// Delete accels
//
WX_CLEAR_ARRAY(m_vAccels);
#endif // wxUSE_ACCEL
} // end of wxMenu::~wxMenu
void wxMenu::Break()
{
// this will take effect during the next call to Append()
m_bDoBreak = TRUE;
} // end of wxMenu::Break
void wxMenu::Attach(
wxMenuBarBase* pMenubar
)
{
wxMenuBase::Attach(pMenubar);
EndRadioGroup();
} // end of wxMenu::Break;
#if wxUSE_ACCEL
int wxMenu::FindAccel(
int nId
) const
{
size_t n;
size_t nCount = m_vAccels.GetCount();
for (n = 0; n < nCount; n++)
if (m_vAccels[n]->m_command == nId)
return n;
return wxNOT_FOUND;
} // end of wxMenu::FindAccel
void wxMenu::UpdateAccel(
wxMenuItem* pItem
)
{
if (pItem->IsSubMenu())
{
wxMenu* pSubmenu = pItem->GetSubMenu();
wxMenuItemList::Node* pNode = pSubmenu->GetMenuItems().GetFirst();
while (pNode)
{
UpdateAccel(pNode->GetData());
pNode = pNode->GetNext();
}
}
else if (!pItem->IsSeparator())
{
//
// Find the (new) accel for this item
//
wxAcceleratorEntry* pAccel = wxGetAccelFromString(pItem->GetText());
if (pAccel)
pAccel->m_command = pItem->GetId();
//
// Find the old one
//
size_t n = FindAccel(pItem->GetId());
if (n == wxNOT_FOUND)
{
//
// No old, add new if any
//
if (pAccel)
m_vAccels.Add(pAccel);
else
return;
}
else
{
//
// Replace old with new or just remove the old one if no new
//
delete m_vAccels[n];
if (pAccel)
m_vAccels[n] = pAccel;
else
m_vAccels.RemoveAt(n);
}
if (IsAttached())
{
m_menuBar->RebuildAccelTable();
}
}
} // wxMenu::UpdateAccel
#endif // wxUSE_ACCEL
//
// Append a new item or submenu to the menu
//
bool wxMenu::DoInsertOrAppend(
wxMenuItem* pItem
, size_t nPos
)
{
wxMenu* pSubmenu = pItem->GetSubMenu();
MENUITEM& rItem = (pSubmenu != NULL)?pSubmenu->m_vMenuData:
pItem->m_vMenuData;
ERRORID vError;
wxString sError;
char zMsg[128];
#if wxUSE_ACCEL
UpdateAccel(pItem);
#endif // wxUSE_ACCEL
//
// If "Break" has just been called, insert a menu break before this item
// (and don't forget to reset the flag)
//
if (m_bDoBreak)
{
rItem.afStyle |= MIS_BREAK;
m_bDoBreak = FALSE;
}
if (pItem->IsSeparator())
{
rItem.afStyle |= MIS_SEPARATOR;
}
//
// Id is the numeric id for normal menu items and HMENU for submenus as
// required by ::MM_INSERTITEM message API
//
if (pSubmenu != NULL)
{
wxASSERT_MSG(pSubmenu->GetHMenu(), wxT("invalid submenu"));
pSubmenu->SetParent(this);
rItem.iPosition = 0; // submenus have a 0 position
rItem.id = (USHORT)pSubmenu->GetHMenu();
rItem.afStyle |= MIS_SUBMENU | MIS_TEXT;
}
else
{
rItem.id = pItem->GetId();
}
BYTE* pData;
#if wxUSE_OWNER_DRAWN
if (pItem->IsOwnerDrawn())
{
//
// Want to get {Measure|Draw}Item messages?
// item draws itself, passing pointer to data doesn't work in OS/2
// Will eventually need to set the image handle somewhere into vItem.hItem
//
rItem.afStyle |= MIS_OWNERDRAW;
pData = (BYTE*)NULL;
rItem.hItem = (HBITMAP)pItem->GetBitmap().GetHBITMAP();
pItem->m_vMenuData.afStyle = rItem.afStyle;
pItem->m_vMenuData.hItem = rItem.hItem;
}
else
#endif
{
//
// Menu is just a normal string (passed in data parameter)
//
rItem.afStyle |= MIS_TEXT;
pData = (char*)pItem->GetText().c_str();
}
if (nPos == (size_t)-1)
{
rItem.iPosition = MIT_END;
}
else
{
rItem.iPosition = nPos;
}
APIRET rc;
rc = (APIRET)::WinSendMsg( GetHmenu()
,MM_INSERTITEM
,(MPARAM)&rItem
,(MPARAM)pData
);
#if wxUSE_OWNER_DRAWN
if (pItem->IsOwnerDrawn())
{
BOOL rc;
MENUITEM vMenuItem;
::WinSendMsg( GetHmenu()
,MM_QUERYITEM
,MPFROM2SHORT( (USHORT)pItem->GetId()
,(USHORT)(FALSE)
)
,&vMenuItem
);
}
#endif
if (rc == MIT_MEMERROR || rc == MIT_ERROR)
{
vError = ::WinGetLastError(vHabmain);
sError = wxPMErrorToStr(vError);
wxLogError("Error inserting or appending a menuitem. Error: %s\n", sError);
wxLogLastError("Insert or AppendMenu");
return FALSE;
}
else
{
//
// If we're already attached to the menubar, we must update it
//
if (IsAttached() && m_menuBar->IsAttached())
{
m_menuBar->Refresh();
}
return TRUE;
}
return FALSE;
} // end of wxMenu::DoInsertOrAppend
void wxMenu::EndRadioGroup()
{
//
// We're not inside a radio group any longer
//
m_nStartRadioGroup = -1;
} // end of wxMenu::EndRadioGroup
bool wxMenu::DoAppend(
wxMenuItem* pItem
)
{
wxCHECK_MSG( pItem, FALSE, _T("NULL item in wxMenu::DoAppend") );
bool bCheck = FALSE;
if (pItem->GetKind() == wxITEM_RADIO)
{
int nCount = GetMenuItemCount();
if (m_nStartRadioGroup == -1)
{
//
// Start a new radio group
//
m_nStartRadioGroup = nCount;
//
// For now it has just one element
//
pItem->SetAsRadioGroupStart();
pItem->SetRadioGroupEnd(m_nStartRadioGroup);
//
// Ensure that we have a checked item in the radio group
//
bCheck = TRUE;
}
else // extend the current radio group
{
//
// We need to update its end item
//
pItem->SetRadioGroupStart(m_nStartRadioGroup);
wxMenuItemList::Node* pNode = GetMenuItems().Item(m_nStartRadioGroup);
if (pNode)
{
pNode->GetData()->SetRadioGroupEnd(nCount);
}
else
{
wxFAIL_MSG( _T("where is the radio group start item?") );
}
}
}
else // not a radio item
{
EndRadioGroup();
}
if (!wxMenuBase::DoAppend(pItem) || !DoInsertOrAppend(pItem))
{
return FALSE;
}
if (bCheck)
{
//
// Check the item initially
//
pItem->Check(TRUE);
}
return TRUE;
} // end of wxMenu::DoAppend
bool wxMenu::DoInsert(
size_t nPos
, wxMenuItem* pItem
)
{
return ( wxMenuBase::DoInsert( nPos
,pItem) &&
DoInsertOrAppend( pItem
,nPos
)
);
} // end of wxMenu::DoInsert
wxMenuItem* wxMenu::DoRemove(
wxMenuItem* pItem
)
{
//
// We need to find the items position in the child list
//
size_t nPos;
wxMenuItemList::Node* pNode = GetMenuItems().GetFirst();
for (nPos = 0; pNode; nPos++)
{
if (pNode->GetData() == pItem)
break;
pNode = pNode->GetNext();
}
//
// DoRemove() (unlike Remove) can only be called for existing item!
//
wxCHECK_MSG(pNode, NULL, wxT("bug in wxMenu::Remove logic"));
#if wxUSE_ACCEL
//
// Remove the corresponding accel from the accel table
//
int n = FindAccel(pItem->GetId());
if (n != wxNOT_FOUND)
{
delete m_vAccels[n];
m_vAccels.RemoveAt(n);
}
#endif // wxUSE_ACCEL
//
// Remove the item from the menu
//
::WinSendMsg( GetHmenu()
,MM_REMOVEITEM
,MPFROM2SHORT(pItem->GetId(), TRUE)
,(MPARAM)0
);
if (IsAttached() && m_menuBar->IsAttached())
{
//
// Otherwise, the chane won't be visible
//
m_menuBar->Refresh();
}
//
// And from internal data structures
//
return wxMenuBase::DoRemove(pItem);
} // end of wxMenu::DoRemove
// ---------------------------------------------------------------------------
// accelerator helpers
// ---------------------------------------------------------------------------
#if wxUSE_ACCEL
//
// Create the wxAcceleratorEntries for our accels and put them into provided
// array - return the number of accels we have
//
size_t wxMenu::CopyAccels(
wxAcceleratorEntry* pAccels
) const
{
size_t nCount = GetAccelCount();
for (size_t n = 0; n < nCount; n++)
{
*pAccels++ = *m_vAccels[n];
}
return nCount;
} // end of wxMenu::CopyAccels
#endif // wxUSE_ACCEL
// ---------------------------------------------------------------------------
// set wxMenu title
// ---------------------------------------------------------------------------
void wxMenu::SetTitle(
const wxString& rLabel
)
{
bool bHasNoTitle = m_title.IsEmpty();
HWND hMenu = GetHmenu();
m_title = rLabel;
if (bHasNoTitle)
{
if (!rLabel.IsEmpty())
{
if (!::WinSetWindowText(hMenu, rLabel.c_str()))
{
wxLogLastError("SetMenuTitle");
}
}
}
else
{
if (rLabel.IsEmpty() )
{
::WinSendMsg( GetHmenu()
,MM_REMOVEITEM
,MPFROM2SHORT(hMenu, TRUE)
,(MPARAM)0
);
}
else
{
//
// Modify the title
//
if (!::WinSetWindowText(hMenu, rLabel.c_str()))
{
wxLogLastError("SetMenuTitle");
}
}
}
} // end of wxMenu::SetTitle
// ---------------------------------------------------------------------------
// event processing
// ---------------------------------------------------------------------------
bool wxMenu::OS2Command(
WXUINT WXUNUSED(uParam)
, WXWORD vId
)
{
//
// Ignore commands from the menu title
//
if (vId != (WXWORD)idMenuTitle)
{
SendEvent( vId
,(int)::WinSendMsg( GetHmenu()
,MM_QUERYITEMATTR
,(MPARAM)vId
,(MPARAM)MIA_CHECKED
)
);
}
return TRUE;
} // end of wxMenu::OS2Command
// ---------------------------------------------------------------------------
// other
// ---------------------------------------------------------------------------
wxWindow* wxMenu::GetWindow() const
{
if (m_invokingWindow != NULL)
return m_invokingWindow;
else if ( m_menuBar != NULL)
return m_menuBar->GetFrame();
return NULL;
} // end of wxMenu::GetWindow
// recursive search for item by id
wxMenuItem* wxMenu::FindItem(
int nItemId
, ULONG hItem
, wxMenu** ppItemMenu
) const
{
if ( ppItemMenu )
*ppItemMenu = NULL;
wxMenuItem* pItem = NULL;
for ( wxMenuItemList::Node *node = m_items.GetFirst();
node && !pItem;
node = node->GetNext() )
{
pItem = node->GetData();
if ( pItem->GetId() == nItemId && pItem->m_vMenuData.hItem == hItem)
{
if ( ppItemMenu )
*ppItemMenu = (wxMenu *)this;
}
else if ( pItem->IsSubMenu() )
{
pItem = pItem->GetSubMenu()->FindItem( nItemId
,hItem
,ppItemMenu
);
if (pItem)
break;
}
else
{
// don't exit the loop
pItem = NULL;
}
}
return pItem;
} // end of wxMenu::FindItem
// ---------------------------------------------------------------------------
// Menu Bar
// ---------------------------------------------------------------------------
void wxMenuBar::Init()
{
m_eventHandler = this;
m_menuBarFrame = NULL;
m_hMenu = 0;
} // end of wxMenuBar::Init
wxMenuBar::wxMenuBar()
{
Init();
} // end of wxMenuBar::wxMenuBar
wxMenuBar::wxMenuBar(
long WXUNUSED(lStyle)
)
{
Init();
} // end of wxMenuBar::wxMenuBar
wxMenuBar::wxMenuBar(
int nCount
, wxMenu* vMenus[]
, const wxString sTitles[]
)
{
Init();
m_titles.Alloc(nCount);
for ( int i = 0; i < nCount; i++ )
{
m_menus.Append(vMenus[i]);
m_titles.Add(sTitles[i]);
vMenus[i]->Attach(this);
}
} // end of wxMenuBar::wxMenuBar
wxMenuBar::~wxMenuBar()
{
//
// We should free PM's resources only if PM doesn't do it for us
// which happens if we're attached to a frame
//
if (m_hMenu && !IsAttached())
{
::WinDestroyWindow((HMENU)m_hMenu);
m_hMenu = (WXHMENU)NULL;
}
} // end of wxMenuBar::~wxMenuBar
// ---------------------------------------------------------------------------
// wxMenuBar helpers
// ---------------------------------------------------------------------------
void wxMenuBar::Refresh()
{
wxCHECK_RET( IsAttached(), wxT("can't refresh unatteched menubar") );
WinSendMsg(GetWinHwnd(m_menuBarFrame), WM_UPDATEFRAME, (MPARAM)FCF_MENU, (MPARAM)0);
} // end of wxMenuBar::Refresh
WXHMENU wxMenuBar::Create()
{
MENUITEM vItem;
HWND hFrame;
if (m_hMenu != 0 )
return m_hMenu;
wxCHECK_MSG(!m_hMenu, TRUE, wxT("menubar already created"));
//
// Menubars should be associated with a frame otherwise they are popups
//
if (m_menuBarFrame != NULL)
hFrame = GetWinHwnd(m_menuBarFrame);
else
hFrame = HWND_DESKTOP;
//
// Create an empty menu and then fill it with insertions
//
if ((m_hMenu = ::WinCreateWindow( hFrame
,WC_MENU
,(PSZ)NULL
,MS_ACTIONBAR | WS_SYNCPAINT | WS_VISIBLE
,0L
,0L
,0L
,0L
,hFrame
,HWND_TOP
,FID_MENU
,NULL
,NULL
)) == 0)
{
wxLogLastError("WinLoadMenu");
}
else
{
size_t nCount = GetMenuCount();
for (size_t i = 0; i < nCount; i++)
{
APIRET rc;
ERRORID vError;
wxString sError;
HWND hSubMenu;
//
// Set the parent and owner of the submenues to be the menubar, not the desktop
//
hSubMenu = m_menus[i]->m_vMenuData.hwndSubMenu;
if (!::WinSetParent(m_menus[i]->m_vMenuData.hwndSubMenu, m_hMenu, FALSE))
{
vError = ::WinGetLastError(vHabmain);
sError = wxPMErrorToStr(vError);
wxLogError("Error setting parent for submenu. Error: %s\n", sError);
return NULLHANDLE;
}
if (!::WinSetOwner(m_menus[i]->m_vMenuData.hwndSubMenu, m_hMenu))
{
vError = ::WinGetLastError(vHabmain);
sError = wxPMErrorToStr(vError);
wxLogError("Error setting parent for submenu. Error: %s\n", sError);
return NULLHANDLE;
}
m_menus[i]->m_vMenuData.iPosition = i;
rc = (APIRET)::WinSendMsg(m_hMenu, MM_INSERTITEM, (MPARAM)&m_menus[i]->m_vMenuData, (MPARAM)m_titles[i].c_str());
if (rc == MIT_MEMERROR || rc == MIT_ERROR)
{
vError = ::WinGetLastError(vHabmain);
sError = wxPMErrorToStr(vError);
wxLogError("Error inserting or appending a menuitem. Error: %s\n", sError);
return NULLHANDLE;
}
}
}
return m_hMenu;
} // end of wxMenuBar::Create
// ---------------------------------------------------------------------------
// wxMenuBar functions to work with the top level submenus
// ---------------------------------------------------------------------------
//
// NB: we don't support owner drawn top level items for now, if we do these
// functions would have to be changed to use wxMenuItem as well
//
void wxMenuBar::EnableTop(
size_t nPos
, bool bEnable
)
{
wxCHECK_RET(IsAttached(), wxT("doesn't work with unattached menubars"));
USHORT uFlag = 0;
SHORT nId;
if(!bEnable)
uFlag = MIA_DISABLED;
nId = SHORT1FROMMR(::WinSendMsg((HWND)m_hMenu, MM_ITEMIDFROMPOSITION, MPFROMSHORT(nPos), (MPARAM)0));
if (nId == MIT_ERROR)
{
wxLogLastError("LogLastError");
return;
}
::WinSendMsg((HWND)m_hMenu, MM_SETITEMATTR, MPFROM2SHORT(nId, TRUE), MPFROM2SHORT(MIA_DISABLED, uFlag));
Refresh();
} // end of wxMenuBar::EnableTop
void wxMenuBar::SetLabelTop(
size_t nPos
, const wxString& rLabel
)
{
SHORT nId;
MENUITEM vItem;
wxCHECK_RET(nPos < GetMenuCount(), wxT("invalid menu index"));
m_titles[nPos] = rLabel;
if (!IsAttached())
{
return;
}
nId = SHORT1FROMMR(::WinSendMsg((HWND)m_hMenu, MM_ITEMIDFROMPOSITION, MPFROMSHORT(nPos), (MPARAM)0));
if (nId == MIT_ERROR)
{
wxLogLastError("LogLastError");
return;
}
if(!::WinSendMsg( (HWND)m_hMenu
,MM_QUERYITEM
,MPFROM2SHORT(nId, TRUE)
,MPARAM(&vItem)
))
{
wxLogLastError("QueryItem");
}
nId = vItem.id;
if (::WinSendMsg(GetHmenu(), MM_SETITEMTEXT, MPFROMSHORT(nId), (MPARAM)rLabel.c_str()));
{
wxLogLastError("ModifyMenu");
}
Refresh();
} // end of wxMenuBar::SetLabelTop
wxString wxMenuBar::GetLabelTop(
size_t nPos
) const
{
wxCHECK_MSG( nPos < GetMenuCount(), wxEmptyString,
wxT("invalid menu index in wxMenuBar::GetLabelTop") );
return m_titles[nPos];
} // end of wxMenuBar::GetLabelTop
// ---------------------------------------------------------------------------
// wxMenuBar construction
// ---------------------------------------------------------------------------
wxMenu* wxMenuBar::Replace(
size_t nPos
, wxMenu* pMenu
, const wxString& rTitle
)
{
SHORT nId;
wxString sTitle = TextToLabel(rTitle);
wxMenu* pMenuOld = wxMenuBarBase::Replace( nPos
,pMenu
,sTitle
);
nId = SHORT1FROMMR(::WinSendMsg((HWND)m_hMenu, MM_ITEMIDFROMPOSITION, MPFROMSHORT(nPos), (MPARAM)0));
if (nId == MIT_ERROR)
{
wxLogLastError("LogLastError");
return NULL;
}
if (!pMenuOld)
return NULL;
m_titles[nPos] = sTitle;
if (IsAttached())
{
::WinSendMsg((HWND)m_hMenu, MM_REMOVEITEM, MPFROM2SHORT(nId, TRUE), (MPARAM)0);
::WinSendMsg((HWND)m_hMenu, MM_INSERTITEM, (MPARAM)&pMenu->m_vMenuData, (MPARAM)sTitle.c_str());
#if wxUSE_ACCEL
if (pMenuOld->HasAccels() || pMenu->HasAccels())
{
//
// Need to rebuild accell table
//
RebuildAccelTable();
}
#endif // wxUSE_ACCEL
Refresh();
}
return pMenuOld;
} // end of wxMenuBar::Replace
bool wxMenuBar::Insert(
size_t nPos
, wxMenu* pMenu
, const wxString& rTitle
)
{
wxString sTitle = TextToLabel(rTitle);
if (!wxMenuBarBase::Insert( nPos
,pMenu
,sTitle
))
return FALSE;
m_titles.Insert( sTitle
,nPos
);
if (IsAttached())
{
pMenu->m_vMenuData.iPosition = nPos;
::WinSendMsg( (HWND)m_hMenu
,MM_INSERTITEM
,(MPARAM)&pMenu->m_vMenuData
,(MPARAM)sTitle.c_str()
);
#if wxUSE_ACCEL
if (pMenu->HasAccels())
{
// need to rebuild accell table
RebuildAccelTable();
}
#endif // wxUSE_ACCEL
Refresh();
}
return TRUE;
} // end of wxMenuBar::Insert
bool wxMenuBar::Append(
wxMenu* pMenu
, const wxString& rsTitle
)
{
WXHMENU hSubmenu = pMenu ? pMenu->GetHMenu() : 0;
wxCHECK_MSG(hSubmenu, FALSE, wxT("can't append invalid menu to menubar"));
wxString sTitle = TextToLabel(rsTitle);
if (!wxMenuBarBase::Append(pMenu, sTitle))
return FALSE;
m_titles.Add(sTitle);
if ( IsAttached() )
{
pMenu->m_vMenuData.iPosition = MIT_END;
::WinSendMsg((HWND)m_hMenu, MM_INSERTITEM, (MPARAM)&pMenu->m_vMenuData, (MPARAM)sTitle.c_str());
#if wxUSE_ACCEL
if (pMenu->HasAccels())
{
//
// Need to rebuild accell table
//
RebuildAccelTable();
}
#endif // wxUSE_ACCEL
Refresh();
}
return TRUE;
} // end of wxMenuBar::Append
wxMenu* wxMenuBar::Remove(
size_t nPos
)
{
wxMenu* pMenu = wxMenuBarBase::Remove(nPos);
SHORT nId;
if (!pMenu)
return NULL;
nId = SHORT1FROMMR(::WinSendMsg( (HWND)GetHmenu()
,MM_ITEMIDFROMPOSITION
,MPFROMSHORT(nPos)
,(MPARAM)0)
);
if (nId == MIT_ERROR)
{
wxLogLastError("LogLastError");
return NULL;
}
if (IsAttached())
{
::WinSendMsg( (HWND)GetHmenu()
,MM_REMOVEITEM
,MPFROM2SHORT(nId, TRUE)
,(MPARAM)0
);
#if wxUSE_ACCEL
if (pMenu->HasAccels())
{
//
// Need to rebuild accell table
//
RebuildAccelTable();
}
#endif // wxUSE_ACCEL
Refresh();
}
m_titles.Remove(nPos);
return pMenu;
} // end of wxMenuBar::Remove
#if wxUSE_ACCEL
void wxMenuBar::RebuildAccelTable()
{
//
// Merge the accelerators of all menus into one accel table
//
size_t nAccelCount = 0;
size_t i;
size_t nCount = GetMenuCount();
for (i = 0; i < nCount; i++)
{
nAccelCount += m_menus[i]->GetAccelCount();
}
if (nAccelCount)
{
wxAcceleratorEntry* pAccelEntries = new wxAcceleratorEntry[nAccelCount];
nAccelCount = 0;
for (i = 0; i < nCount; i++)
{
nAccelCount += m_menus[i]->CopyAccels(&pAccelEntries[nAccelCount]);
}
m_vAccelTable = wxAcceleratorTable( nAccelCount
,pAccelEntries
);
delete [] pAccelEntries;
}
} // end of wxMenuBar::RebuildAccelTable
#endif // wxUSE_ACCEL
void wxMenuBar::Attach(
wxFrame* pFrame
)
{
wxMenuBarBase::Attach(pFrame);
#if wxUSE_ACCEL
RebuildAccelTable();
//
// Ensure the accelerator table is set to the frame (not the client!)
//
if (!::WinSetAccelTable( vHabmain
,m_vAccelTable.GetHACCEL()
,(HWND)pFrame->GetFrame()
))
wxLogLastError("WinSetAccelTable");
#endif // wxUSE_ACCEL
} // end of wxMenuBar::Attach
void wxMenuBar::Detach()
{
::WinDestroyWindow((HWND)m_hMenu);
m_hMenu = (WXHMENU)NULL;
m_menuBarFrame = NULL;
} // end of wxMenuBar::Detach
// ---------------------------------------------------------------------------
// wxMenuBar searching for menu items
// ---------------------------------------------------------------------------
//
// Find the itemString in menuString, and return the item id or wxNOT_FOUND
//
int wxMenuBar::FindMenuItem(
const wxString& rMenuString
, const wxString& rItemString
) const
{
wxString sMenuLabel = wxStripMenuCodes(rMenuString);
size_t nCount = GetMenuCount();
for (size_t i = 0; i < nCount; i++)
{
wxString sTitle = wxStripMenuCodes(m_titles[i]);
if (rMenuString == sTitle)
return m_menus[i]->FindItem(rItemString);
}
return wxNOT_FOUND;
} // end of wxMenuBar::FindMenuItem
wxMenuItem* wxMenuBar::FindItem(
int nId
, wxMenu** ppItemMenu
) const
{
if (ppItemMenu)
*ppItemMenu = NULL;
wxMenuItem* pItem = NULL;
size_t nCount = GetMenuCount();
for (size_t i = 0; !pItem && (i < nCount); i++)
{
pItem = m_menus[i]->FindItem( nId
,ppItemMenu
);
}
return pItem;
} // end of wxMenuBar::FindItem
wxMenuItem* wxMenuBar::FindItem(
int nId
, ULONG hItem
, wxMenu** ppItemMenu
) const
{
if (ppItemMenu)
*ppItemMenu = NULL;
wxMenuItem* pItem = NULL;
size_t nCount = GetMenuCount();
for (size_t i = 0; !pItem && (i < nCount); i++)
{
pItem = m_menus[i]->FindItem( nId
,hItem
,ppItemMenu
);
}
return pItem;
} // end of wxMenuBar::FindItem