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79f93d55353e923d6caed84a50fd052387745b4d
wxWidgets/src/msw/menu.cpp
Vadim Zeitlin 79f93d5535 No real changes, just make wxMenuBar::MSWGetMenu() const. 
There is no reason not to.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@78246 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2014-12-05 22:19:16 +00:00

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/////////////////////////////////////////////////////////////////////////////
// Name: src/msw/menu.cpp
// Purpose: wxMenu, wxMenuBar, wxMenuItem
// Author: Julian Smart
// Modified by: Vadim Zeitlin
// Created: 04/01/98
// Copyright: (c) Julian Smart
// 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/menu.h"
#ifndef WX_PRECOMP
#include "wx/frame.h"
#include "wx/utils.h"
#include "wx/intl.h"
#include "wx/log.h"
#include "wx/image.h"
#endif
#if wxUSE_OWNER_DRAWN
#include "wx/ownerdrw.h"
#endif
#include "wx/scopedarray.h"
#include "wx/vector.h"
#include "wx/msw/private.h"
#include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"
#ifdef __WXWINCE__
#include <windows.h>
#include <windowsx.h>
#include <tchar.h>
#include <ole2.h>
#include <shellapi.h>
#if (_WIN32_WCE < 400) && !defined(__HANDHELDPC__)
#include <aygshell.h>
#endif
#include "wx/msw/wince/missing.h"
#endif
// other standard headers
#include <string.h>
#include "wx/dynlib.h"
#ifndef MNS_CHECKORBMP
#define MNS_CHECKORBMP 0x04000000
#endif
#ifndef MIM_STYLE
#define MIM_STYLE 0x00000010
#endif
// ----------------------------------------------------------------------------
// global variables
// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
// the (popup) menu title has this special id
static const int idMenuTitle = wxID_NONE;
// ----------------------------------------------------------------------------
// private helper classes and functions
// ----------------------------------------------------------------------------
// Contains the data about the radio items groups in the given menu.
class wxMenuRadioItemsData
{
public:
wxMenuRadioItemsData() { }
// Default copy ctor, assignment operator and dtor are all ok.
// Find the start and end of the group containing the given position or
// return false if it's not inside any range.
bool GetGroupRange(int pos, int *start, int *end) const
{
// We use a simple linear search here because there are not that many
// items in a menu and hence even fewer radio items ranges anyhow, so
// normally there is no need to do anything fancy (like keeping the
// array sorted and using binary search).
for ( Ranges::const_iterator it = m_ranges.begin();
it != m_ranges.end();
++it )
{
const Range& r = *it;
if ( r.start <= pos && pos <= r.end )
{
if ( start )
*start = r.start;
if ( end )
*end = r.end;
return true;
}
}
return false;
}
// Take into account the new radio item about to be added at the given
// position.
//
// Returns true if this item starts a new radio group, false if it extends
// an existing one.
bool UpdateOnInsert(int pos)
{
bool inExistingGroup = false;
for ( Ranges::iterator it = m_ranges.begin();
it != m_ranges.end();
++it )
{
Range& r = *it;
if ( pos < r.start )
{
// Item is inserted before this range, update its indices.
r.start++;
r.end++;
}
else if ( pos <= r.end + 1 )
{
// Item is inserted in the middle of this range or immediately
// after it in which case it extends this range so make it span
// one more item in any case.
r.end++;
inExistingGroup = true;
}
//else: Item is inserted after this range, nothing to do for it.
}
if ( inExistingGroup )
return false;
// Make a new range for the group this item will belong to.
Range r;
r.start = pos;
r.end = pos;
m_ranges.push_back(r);
return true;
}
// Update the ranges of the existing radio groups after removing the menu
// item at the given position.
//
// The item being removed can be the item of any kind, not only the radio
// button belonging to the radio group, and this function checks for it
// and, as a side effect, returns true if this item was found inside an
// existing radio group.
bool UpdateOnRemoveItem(int pos)
{
bool inExistingGroup = false;
// Pointer to (necessarily unique) empty group which could be left
// after removing the last radio button from it.
Ranges::iterator itEmptyGroup = m_ranges.end();
for ( Ranges::iterator it = m_ranges.begin();
it != m_ranges.end();
++it )
{
Range& r = *it;
if ( pos < r.start )
{
// Removed item was positioned before this range, update its
// indices.
r.start--;
r.end--;
}
else if ( pos <= r.end )
{
// Removed item belongs to this radio group (it is a radio
// button), update index of its end.
r.end--;
// Check if empty group left after removal.
// If so, it will be deleted later on.
if ( r.end < r.start )
itEmptyGroup = it;
inExistingGroup = true;
}
//else: Removed item was after this range, nothing to do for it.
}
// Remove empty group from the list.
if ( itEmptyGroup != m_ranges.end() )
m_ranges.erase(itEmptyGroup);
return inExistingGroup;
}
private:
// Contains the inclusive positions of the range start and end.
struct Range
{
int start;
int end;
};
typedef wxVector<Range> Ranges;
Ranges m_ranges;
};
namespace
{
// make the given menu item default
void SetDefaultMenuItem(HMENU WXUNUSED_IN_WINCE(hmenu),
UINT WXUNUSED_IN_WINCE(id))
{
#ifndef __WXWINCE__
WinStruct<MENUITEMINFO> mii;
mii.fMask = MIIM_STATE;
mii.fState = MFS_DEFAULT;
if ( !::SetMenuItemInfo(hmenu, id, FALSE, &mii) )
{
wxLogLastError(wxT("SetMenuItemInfo"));
}
#endif // !__WXWINCE__
}
// make the given menu item owner-drawn
void SetOwnerDrawnMenuItem(HMENU WXUNUSED_IN_WINCE(hmenu),
UINT WXUNUSED_IN_WINCE(id),
ULONG_PTR WXUNUSED_IN_WINCE(data),
BOOL WXUNUSED_IN_WINCE(byPositon = FALSE))
{
#ifndef __WXWINCE__
WinStruct<MENUITEMINFO> mii;
mii.fMask = MIIM_FTYPE | MIIM_DATA;
mii.fType = MFT_OWNERDRAW;
mii.dwItemData = data;
if ( reinterpret_cast<wxMenuItem*>(data)->IsSeparator() )
mii.fType |= MFT_SEPARATOR;
if ( !::SetMenuItemInfo(hmenu, id, byPositon, &mii) )
{
wxLogLastError(wxT("SetMenuItemInfo"));
}
#endif // !__WXWINCE__
}
#ifdef __WXWINCE__
UINT GetMenuState(HMENU hMenu, UINT id, UINT flags)
{
WinStruct<MENUITEMINFO> info;
info.fMask = MIIM_STATE;
// MF_BYCOMMAND is zero so test MF_BYPOSITION
if ( !::GetMenuItemInfo(hMenu, id, flags & MF_BYPOSITION ? TRUE : FALSE , & info) )
{
wxLogLastError(wxT("GetMenuItemInfo"));
}
return info.fState;
}
#endif // __WXWINCE__
} // anonymous namespace
// ============================================================================
// implementation
// ============================================================================
// ---------------------------------------------------------------------------
// wxMenu construction, adding and removing menu items
// ---------------------------------------------------------------------------
// Construct a menu with optional title (then use append)
void wxMenu::InitNoCreate()
{
m_radioData = NULL;
m_doBreak = false;
#if wxUSE_OWNER_DRAWN
m_ownerDrawn = false;
m_maxBitmapWidth = 0;
m_maxAccelWidth = -1;
#endif // wxUSE_OWNER_DRAWN
}
void wxMenu::Init()
{
InitNoCreate();
// create the menu
m_hMenu = (WXHMENU)CreatePopupMenu();
if ( !m_hMenu )
{
wxLogLastError(wxT("CreatePopupMenu"));
}
// if we have a title, insert it in the beginning of the menu
if ( !m_title.empty() )
{
const wxString title = m_title;
m_title.clear(); // so that SetTitle() knows there was no title before
SetTitle(title);
}
}
wxMenu::wxMenu(WXHMENU hMenu)
{
InitNoCreate();
m_hMenu = hMenu;
// Ensure that our internal idea of how many items we have corresponds to
// the real number of items in the menu.
//
// We could also retrieve the real labels of the items here but it doesn't
// seem to be worth the trouble.
const int numExistingItems = ::GetMenuItemCount(m_hMenu);
for ( int n = 0; n < numExistingItems; n++ )
{
wxMenuBase::DoAppend(wxMenuItem::New(this, wxID_SEPARATOR));
}
}
// The wxWindow destructor will take care of deleting the submenus.
wxMenu::~wxMenu()
{
// we should free Windows resources only if Windows doesn't do it for us
// which happens if we're attached to a menubar or a submenu of another
// menu
if ( m_hMenu && !IsAttached() && !GetParent() )
{
if ( !::DestroyMenu(GetHmenu()) )
{
wxLogLastError(wxT("DestroyMenu"));
}
}
#if wxUSE_ACCEL
// delete accels
WX_CLEAR_ARRAY(m_accels);
#endif // wxUSE_ACCEL
delete m_radioData;
}
void wxMenu::Break()
{
// this will take effect during the next call to Append()
m_doBreak = true;
}
#if wxUSE_ACCEL
int wxMenu::FindAccel(int id) const
{
size_t n, count = m_accels.GetCount();
for ( n = 0; n < count; n++ )
{
if ( m_accels[n]->m_command == id )
return n;
}
return wxNOT_FOUND;
}
void wxMenu::UpdateAccel(wxMenuItem *item)
{
if ( item->IsSubMenu() )
{
wxMenu *submenu = item->GetSubMenu();
wxMenuItemList::compatibility_iterator node = submenu->GetMenuItems().GetFirst();
while ( node )
{
UpdateAccel(node->GetData());
node = node->GetNext();
}
}
else if ( !item->IsSeparator() )
{
// recurse upwards: we should only modify m_accels of the top level
// menus, not of the submenus as wxMenuBar doesn't look at them
// (alternative and arguable cleaner solution would be to recurse
// downwards in GetAccelCount() and CopyAccels())
if ( GetParent() )
{
GetParent()->UpdateAccel(item);
return;
}
// find the (new) accel for this item
wxAcceleratorEntry *accel = wxAcceleratorEntry::Create(item->GetItemLabel());
if ( accel )
accel->m_command = item->GetId();
// find the old one
int n = FindAccel(item->GetId());
if ( n == wxNOT_FOUND )
{
// no old, add new if any
if ( accel )
m_accels.Add(accel);
else
return; // skipping RebuildAccelTable() below
}
else
{
// replace old with new or just remove the old one if no new
delete m_accels[n];
if ( accel )
m_accels[n] = accel;
else
m_accels.RemoveAt(n);
}
if ( IsAttached() )
{
GetMenuBar()->RebuildAccelTable();
}
#if wxUSE_OWNER_DRAWN
ResetMaxAccelWidth();
#endif
}
//else: it is a separator, they can't have accels, nothing to do
}
#endif // wxUSE_ACCEL
namespace
{
} // anonymous namespace
bool wxMenu::MSWGetRadioGroupRange(int pos, int *start, int *end) const
{
return m_radioData && m_radioData->GetGroupRange(pos, start, end);
}
#if defined(__WXWINCE__)
#define wxUSE_MENUITEMINFO 0
#else
#define wxUSE_MENUITEMINFO 1
#endif
// append a new item or submenu to the menu
bool wxMenu::DoInsertOrAppend(wxMenuItem *pItem, size_t pos)
{
#if wxUSE_ACCEL
UpdateAccel(pItem);
#endif // wxUSE_ACCEL
// we should support disabling the item even prior to adding it to the menu
UINT flags = pItem->IsEnabled() ? MF_ENABLED : MF_GRAYED;
// if "Break" has just been called, insert a menu break before this item
// (and don't forget to reset the flag)
if ( m_doBreak ) {
flags |= MF_MENUBREAK;
m_doBreak = false;
}
if ( pItem->IsSeparator() ) {
flags |= MF_SEPARATOR;
}
// id is the numeric id for normal menu items and HMENU for submenus as
// required by ::AppendMenu() API
UINT_PTR id;
wxMenu *submenu = pItem->GetSubMenu();
if ( submenu != NULL ) {
wxASSERT_MSG( submenu->GetHMenu(), wxT("invalid submenu") );
submenu->SetParent(this);
id = (UINT_PTR)submenu->GetHMenu();
flags |= MF_POPUP;
}
else {
id = pItem->GetMSWId();
}
// prepare to insert the item in the menu
wxString itemText = pItem->GetItemLabel();
LPCTSTR pData = NULL;
if ( pos == (size_t)-1 )
{
// append at the end (note that the item is already appended to
// internal data structures)
pos = GetMenuItemCount() - 1;
}
// Update radio groups data if we're inserting a new radio item.
//
// NB: If we supported inserting non-radio items in the middle of existing
// radio groups to break them into two subgroups, we'd need to update
// m_radioData in this case too but currently this is not supported.
bool checkInitially = false;
if ( pItem->GetKind() == wxITEM_RADIO )
{
if ( !m_radioData )
m_radioData = new wxMenuRadioItemsData;
if ( m_radioData->UpdateOnInsert(pos) )
checkInitially = true;
}
// Also handle the case of check menu items that had been checked before
// being attached to the menu: we don't need to actually call Check() on
// them, so we don't use checkInitially in this case, but we do need to
// make them checked at Windows level too. Notice that we shouldn't ask
// Windows for the checked state here, as wxMenuItem::IsChecked() does, as
// the item is not attached yet, so explicitly call the base class version.
if ( pItem->IsCheck() && pItem->wxMenuItemBase::IsChecked() )
flags |= MF_CHECKED;
// adjust position to account for the title of a popup menu, if any
if ( !GetMenuBar() && !m_title.empty() )
pos += 2; // for the title itself and its separator
BOOL ok = false;
#if wxUSE_OWNER_DRAWN
// Under older systems mixing owner-drawn and non-owner-drawn items results
// in inconsistent margins, so we force this one to be owner-drawn if any
// other items already are.
if ( m_ownerDrawn )
pItem->SetOwnerDrawn(true);
// check if we have something more than a simple text item
bool makeItemOwnerDrawn = false;
#endif // wxUSE_OWNER_DRAWN
if (
#if wxUSE_OWNER_DRAWN
!pItem->IsOwnerDrawn() &&
#endif
!pItem->IsSeparator() )
{
#if wxUSE_MENUITEMINFO
WinStruct<MENUITEMINFO> mii;
mii.fMask = MIIM_STRING | MIIM_DATA;
// don't set hbmpItem for the checkable items as it would
// be used for both checked and unchecked state
if ( pItem->IsCheckable() )
{
mii.fMask |= MIIM_CHECKMARKS;
mii.hbmpChecked = pItem->GetHBitmapForMenu(wxMenuItem::Checked);
mii.hbmpUnchecked = pItem->GetHBitmapForMenu(wxMenuItem::Unchecked);
}
else if ( pItem->GetBitmap().IsOk() )
{
mii.fMask |= MIIM_BITMAP;
mii.hbmpItem = pItem->GetHBitmapForMenu(wxMenuItem::Normal);
}
mii.cch = itemText.length();
mii.dwTypeData = wxMSW_CONV_LPTSTR(itemText);
if ( flags & MF_POPUP )
{
mii.fMask |= MIIM_SUBMENU;
mii.hSubMenu = GetHmenuOf(pItem->GetSubMenu());
}
else
{
mii.fMask |= MIIM_ID;
mii.wID = id;
}
if ( flags & MF_CHECKED )
{
mii.fMask |= MIIM_STATE;
mii.fState = MFS_CHECKED;
}
mii.dwItemData = reinterpret_cast<ULONG_PTR>(pItem);
ok = ::InsertMenuItem(GetHmenu(), pos, TRUE /* by pos */, &mii);
if ( !ok )
{
wxLogLastError(wxT("InsertMenuItem()"));
#if wxUSE_OWNER_DRAWN
// In case of failure switch new item to the owner-drawn mode.
makeItemOwnerDrawn = true;
#endif
}
else // InsertMenuItem() ok
{
// we need to remove the extra indent which is reserved for
// the checkboxes by default as it looks ugly unless check
// boxes are used together with bitmaps and this is not the
// case in wx API
WinStruct<MENUINFO> mi;
// don't call SetMenuInfo() directly, this would prevent
// the app from starting up under Windows 95/NT 4
typedef BOOL (WINAPI *SetMenuInfo_t)(HMENU, MENUINFO *);
wxDynamicLibrary dllUser(wxT("user32"));
wxDYNLIB_FUNCTION(SetMenuInfo_t, SetMenuInfo, dllUser);
if ( pfnSetMenuInfo )
{
mi.fMask = MIM_STYLE;
mi.dwStyle = MNS_CHECKORBMP;
if ( !(*pfnSetMenuInfo)(GetHmenu(), &mi) )
{
wxLogLastError(wxT("SetMenuInfo(MNS_NOCHECK)"));
}
}
}
#else
if ( pItem->GetBitmap().IsOk() )
{
flags |= MF_BITMAP;
pData = reinterpret_cast<LPCTSTR>(
pItem->GetHBitmapForMenu(wxMenuItem::Normal));
}
else
{
flags |= MF_STRING;
#ifdef __WXWINCE__
itemText = wxMenuItem::GetLabelText(itemText);
pData = itemText.t_str();
#else
pData = wxMSW_CONV_LPTSTR(itemText);
#endif
}
#endif // wxUSE_MENUITEMINFO / !wxUSE_MENUITEMINFO
}
#if wxUSE_OWNER_DRAWN
if ( pItem->IsOwnerDrawn() || makeItemOwnerDrawn )
{
// item draws itself, pass pointer to it in data parameter
flags |= MF_OWNERDRAW;
pData = (LPCTSTR)pItem;
bool updateAllMargins = false;
// get size of bitmap always return valid value (0 for invalid bitmap),
// so we don't needed check if bitmap is valid ;)
int uncheckedW = pItem->GetBitmap(false).GetWidth();
int checkedW = pItem->GetBitmap(true).GetWidth();
if ( m_maxBitmapWidth < uncheckedW )
{
m_maxBitmapWidth = uncheckedW;
updateAllMargins = true;
}
if ( m_maxBitmapWidth < checkedW )
{
m_maxBitmapWidth = checkedW;
updateAllMargins = true;
}
// make other item ownerdrawn and update margin width for equals alignment
if ( !m_ownerDrawn || updateAllMargins )
{
// we must use position in SetOwnerDrawnMenuItem because
// all separators have the same id
int pos = 0;
wxMenuItemList::compatibility_iterator node = GetMenuItems().GetFirst();
while (node)
{
wxMenuItem* item = node->GetData();
if ( !item->IsOwnerDrawn())
{
item->SetOwnerDrawn(true);
SetOwnerDrawnMenuItem(GetHmenu(), pos,
reinterpret_cast<ULONG_PTR>(item), TRUE);
}
item->SetMarginWidth(m_maxBitmapWidth);
node = node->GetNext();
pos++;
}
// set menu as ownerdrawn
m_ownerDrawn = true;
ResetMaxAccelWidth();
}
// only update our margin for equals alignment to other item
else if ( !updateAllMargins )
{
pItem->SetMarginWidth(m_maxBitmapWidth);
}
}
#endif // wxUSE_OWNER_DRAWN
// item might have already been inserted by InsertMenuItem() above
if ( !ok )
{
if ( !::InsertMenu(GetHmenu(), pos, flags | MF_BYPOSITION, id, pData) )
{
wxLogLastError(wxT("InsertMenu[Item]()"));
return false;
}
#if wxUSE_OWNER_DRAWN
if ( makeItemOwnerDrawn )
{
pItem->SetOwnerDrawn(true);
SetOwnerDrawnMenuItem(GetHmenu(), pos,
reinterpret_cast<ULONG_PTR>(pItem), TRUE);
}
#endif
}
// Check the item if it should be initially checked.
if ( checkInitially )
pItem->Check(true);
// if we just appended the title, highlight it
if ( id == (UINT_PTR)idMenuTitle )
{
// visually select the menu title
SetDefaultMenuItem(GetHmenu(), id);
}
// if we're already attached to the menubar, we must update it
if ( IsAttached() && GetMenuBar()->IsAttached() )
{
GetMenuBar()->Refresh();
}
return true;
}
wxMenuItem* wxMenu::DoAppend(wxMenuItem *item)
{
return wxMenuBase::DoAppend(item) && DoInsertOrAppend(item) ? item : NULL;
}
wxMenuItem* wxMenu::DoInsert(size_t pos, wxMenuItem *item)
{
if (wxMenuBase::DoInsert(pos, item) && DoInsertOrAppend(item, pos))
return item;
else
return NULL;
}
wxMenuItem *wxMenu::DoRemove(wxMenuItem *item)
{
// we need to find the item's position in the child list
size_t pos;
wxMenuItemList::compatibility_iterator node = GetMenuItems().GetFirst();
for ( pos = 0; node; pos++ )
{
if ( node->GetData() == item )
break;
node = node->GetNext();
}
#if wxUSE_ACCEL
// remove the corresponding accel from the accel table
int n = FindAccel(item->GetId());
if ( n != wxNOT_FOUND )
{
delete m_accels[n];
m_accels.RemoveAt(n);
#if wxUSE_OWNER_DRAWN
ResetMaxAccelWidth();
#endif
}
//else: this item doesn't have an accel, nothing to do
#endif // wxUSE_ACCEL
// Update indices of radio groups.
if ( m_radioData )
{
bool inExistingGroup = m_radioData->UpdateOnRemoveItem(pos);
wxASSERT_MSG( !inExistingGroup || item->GetKind() == wxITEM_RADIO,
wxT("Removing non radio button from radio group?") );
}
// remove the item from the menu
if ( !::RemoveMenu(GetHmenu(), (UINT)pos, MF_BYPOSITION) )
{
wxLogLastError(wxT("RemoveMenu"));
}
if ( IsAttached() && GetMenuBar()->IsAttached() )
{
// otherwise, the change won't be visible
GetMenuBar()->Refresh();
}
// and from internal data structures
return wxMenuBase::DoRemove(item);
}
// ---------------------------------------------------------------------------
// accelerator helpers
// ---------------------------------------------------------------------------
#if wxUSE_ACCEL
// create the wxAcceleratorEntries for our accels and put them into the provided
// array - return the number of accels we have
size_t wxMenu::CopyAccels(wxAcceleratorEntry *accels) const
{
size_t count = GetAccelCount();
for ( size_t n = 0; n < count; n++ )
{
*accels++ = *m_accels[n];
}
return count;
}
wxAcceleratorTable *wxMenu::CreateAccelTable() const
{
const size_t count = m_accels.size();
wxScopedArray<wxAcceleratorEntry> accels(count);
CopyAccels(accels.get());
return new wxAcceleratorTable(count, accels.get());
}
#endif // wxUSE_ACCEL
// ---------------------------------------------------------------------------
// ownerdrawn helpers
// ---------------------------------------------------------------------------
#if wxUSE_OWNER_DRAWN
void wxMenu::CalculateMaxAccelWidth()
{
wxASSERT_MSG( m_maxAccelWidth == -1, wxT("it's really needed?") );
wxMenuItemList::compatibility_iterator node = GetMenuItems().GetFirst();
while (node)
{
wxMenuItem* item = node->GetData();
if ( item->IsOwnerDrawn() )
{
int width = item->MeasureAccelWidth();
if (width > m_maxAccelWidth )
m_maxAccelWidth = width;
}
node = node->GetNext();
}
}
#endif // wxUSE_OWNER_DRAWN
// ---------------------------------------------------------------------------
// set wxMenu title
// ---------------------------------------------------------------------------
void wxMenu::SetTitle(const wxString& label)
{
bool hasNoTitle = m_title.empty();
m_title = label;
HMENU hMenu = GetHmenu();
if ( hasNoTitle )
{
if ( !label.empty() )
{
if ( !::InsertMenu(hMenu, 0u, MF_BYPOSITION | MF_STRING,
(UINT_PTR)idMenuTitle, m_title.t_str()) ||
!::InsertMenu(hMenu, 1u, MF_BYPOSITION, (unsigned)-1, NULL) )
{
wxLogLastError(wxT("InsertMenu"));
}
}
}
else
{
if ( label.empty() )
{
// remove the title and the separator after it
if ( !RemoveMenu(hMenu, 0, MF_BYPOSITION) ||
!RemoveMenu(hMenu, 0, MF_BYPOSITION) )
{
wxLogLastError(wxT("RemoveMenu"));
}
}
else
{
// modify the title
#ifdef __WXWINCE__
WinStruct<MENUITEMINFO> info;
info.fMask = MIIM_TYPE;
info.fType = MFT_STRING;
info.cch = m_title.length();
info.dwTypeData = wxMSW_CONV_LPTSTR(m_title);
if ( !SetMenuItemInfo(hMenu, 0, TRUE, & info) )
{
wxLogLastError(wxT("SetMenuItemInfo"));
}
#else
if ( !ModifyMenu(hMenu, 0u,
MF_BYPOSITION | MF_STRING,
(UINT_PTR)idMenuTitle, m_title.t_str()) )
{
wxLogLastError(wxT("ModifyMenu"));
}
#endif
}
}
#ifdef __WIN32__
// put the title string in bold face
if ( !m_title.empty() )
{
SetDefaultMenuItem(GetHmenu(), (UINT)idMenuTitle);
}
#endif // Win32
}
// ---------------------------------------------------------------------------
// event processing
// ---------------------------------------------------------------------------
bool wxMenu::MSWCommand(WXUINT WXUNUSED(param), WXWORD id_)
{
const int id = (signed short)id_;
// ignore commands from the menu title
if ( id != idMenuTitle )
{
// Default value for uncheckable items.
int checked = -1;
// update the check item when it's clicked
wxMenuItem * const item = FindItem(id);
if ( item && item->IsCheckable() )
{
item->Toggle();
// Get the status of the menu item: note that it has been just changed
// by Toggle() above so here we already get the new state of the item.
//
// Also notice that we must pass unsigned id_ and not sign-extended id
// to ::GetMenuState() as this is what it expects.
UINT menuState = ::GetMenuState(GetHmenu(), id_, MF_BYCOMMAND);
checked = (menuState & MF_CHECKED) != 0;
}
SendEvent(id, checked);
}
return true;
}
// get the menu with given handle (recursively)
wxMenu* wxMenu::MSWGetMenu(WXHMENU hMenu)
{
// check self
if ( GetHMenu() == hMenu )
return this;
// recursively query submenus
for ( size_t n = 0 ; n < GetMenuItemCount(); ++n )
{
wxMenuItem* item = FindItemByPosition(n);
wxMenu* submenu = item->GetSubMenu();
if ( submenu )
{
submenu = submenu->MSWGetMenu(hMenu);
if (submenu)
return submenu;
}
}
// unknown hMenu
return NULL;
}
// ---------------------------------------------------------------------------
// Menu Bar
// ---------------------------------------------------------------------------
void wxMenuBar::Init()
{
m_eventHandler = this;
m_hMenu = 0;
#if wxUSE_TOOLBAR && defined(__WXWINCE__)
m_toolBar = NULL;
#endif
// Not using a combined wxToolBar/wxMenuBar? then use
// a commandbar in WinCE .NET just to implement the
// menubar.
#if defined(WINCE_WITH_COMMANDBAR)
m_commandBar = NULL;
m_adornmentsAdded = false;
#endif
}
wxMenuBar::wxMenuBar()
{
Init();
}
wxMenuBar::wxMenuBar( long WXUNUSED(style) )
{
Init();
}
wxMenuBar::wxMenuBar(size_t count, wxMenu *menus[], const wxString titles[], long WXUNUSED(style))
{
Init();
for ( size_t i = 0; i < count; i++ )
{
// We just want to store the menu title in the menu itself, not to
// show it as a dummy item in the menu itself as we do with the popup
// menu titles in overridden wxMenu::SetTitle().
menus[i]->wxMenuBase::SetTitle(titles[i]);
m_menus.Append(menus[i]);
menus[i]->Attach(this);
}
}
wxMenuBar::~wxMenuBar()
{
// In Windows CE (not .NET), the menubar is always associated
// with a toolbar, which destroys the menu implicitly.
#if defined(WINCE_WITHOUT_COMMANDBAR) && defined(__POCKETPC__)
if (GetToolBar())
{
wxToolMenuBar* toolMenuBar = wxDynamicCast(GetToolBar(), wxToolMenuBar);
if (toolMenuBar)
toolMenuBar->SetMenuBar(NULL);
}
#else
// we should free Windows resources only if Windows doesn't do it for us
// which happens if we're attached to a frame
if (m_hMenu && !IsAttached())
{
#if defined(WINCE_WITH_COMMANDBAR)
::DestroyWindow((HWND) m_commandBar);
m_commandBar = (WXHWND) NULL;
#else
::DestroyMenu((HMENU)m_hMenu);
#endif
m_hMenu = (WXHMENU)NULL;
}
#endif
}
// ---------------------------------------------------------------------------
// wxMenuBar helpers
// ---------------------------------------------------------------------------
void wxMenuBar::Refresh()
{
if ( IsFrozen() )
return;
wxCHECK_RET( IsAttached(), wxT("can't refresh unattached menubar") );
#if defined(WINCE_WITHOUT_COMMANDBAR)
if (GetToolBar())
{
CommandBar_DrawMenuBar((HWND) GetToolBar()->GetHWND(), 0);
}
#elif defined(WINCE_WITH_COMMANDBAR)
if (m_commandBar)
DrawMenuBar((HWND) m_commandBar);
#else
DrawMenuBar(GetHwndOf(GetFrame()));
#endif
}
WXHMENU wxMenuBar::Create()
{
// Note: this doesn't work at all on Smartphone,
// since you have to use resources.
// We'll have to find another way to add a menu
// by changing/adding menu items to an existing menu.
#if defined(WINCE_WITHOUT_COMMANDBAR)
if ( m_hMenu != 0 )
return m_hMenu;
wxToolMenuBar * const bar = static_cast<wxToolMenuBar *>(GetToolBar());
if ( !bar )
return NULL;
HWND hCommandBar = GetHwndOf(bar);
// notify comctl32.dll about the version of the headers we use before using
// any other TB_XXX messages
SendMessage(hCommandBar, TB_BUTTONSTRUCTSIZE, sizeof(TBBUTTON), 0);
TBBUTTON tbButton;
wxZeroMemory(tbButton);
tbButton.iBitmap = I_IMAGENONE;
tbButton.fsState = TBSTATE_ENABLED;
tbButton.fsStyle = TBSTYLE_DROPDOWN |
TBSTYLE_NO_DROPDOWN_ARROW |
TBSTYLE_AUTOSIZE;
for ( unsigned i = 0; i < GetMenuCount(); i++ )
{
HMENU hPopupMenu = (HMENU) GetMenu(i)->GetHMenu();
tbButton.dwData = (DWORD)hPopupMenu;
wxString label = wxStripMenuCodes(GetMenuLabel(i));
tbButton.iString = (int) wxMSW_CONV_LPCTSTR(label);
tbButton.idCommand = NewControlId();
if ( !::SendMessage(hCommandBar, TB_INSERTBUTTON, i, (LPARAM)&tbButton) )
{
wxLogLastError(wxT("TB_INSERTBUTTON"));
}
}
m_hMenu = bar->GetHMenu();
return m_hMenu;
#else // !__WXWINCE__
if ( m_hMenu != 0 )
return m_hMenu;
m_hMenu = (WXHMENU)::CreateMenu();
if ( !m_hMenu )
{
wxLogLastError(wxT("CreateMenu"));
}
else
{
for ( wxMenuList::iterator it = m_menus.begin();
it != m_menus.end();
++it )
{
if ( !::AppendMenu((HMENU)m_hMenu, MF_POPUP | MF_STRING,
(UINT_PTR)(*it)->GetHMenu(),
(*it)->GetTitle().t_str()) )
{
wxLogLastError(wxT("AppendMenu"));
}
}
}
return m_hMenu;
#endif // __WXWINCE__/!__WXWINCE__
}
int wxMenuBar::MSWPositionForWxMenu(wxMenu *menu, int wxpos)
{
wxASSERT(menu);
wxASSERT(menu->GetHMenu());
wxASSERT(m_hMenu);
#if defined(__WXWINCE__)
int totalMSWItems = GetMenuCount();
#else
int totalMSWItems = GetMenuItemCount((HMENU)m_hMenu);
#endif
int i; // For old C++ compatibility
for(i=wxpos; i<totalMSWItems; i++)
{
if(GetSubMenu((HMENU)m_hMenu,i)==(HMENU)menu->GetHMenu())
return i;
}
for(i=0; i<wxpos; i++)
{
if(GetSubMenu((HMENU)m_hMenu,i)==(HMENU)menu->GetHMenu())
return i;
}
wxFAIL;
return -1;
}
// ---------------------------------------------------------------------------
// 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 pos, bool enable)
{
wxCHECK_RET( IsAttached(), wxT("doesn't work with unattached menubars") );
wxCHECK_RET( pos < GetMenuCount(), wxT("invalid menu index") );
int flag = enable ? MF_ENABLED : MF_GRAYED;
EnableMenuItem((HMENU)m_hMenu, MSWPositionForWxMenu(GetMenu(pos),pos), MF_BYPOSITION | flag);
Refresh();
}
bool wxMenuBar::IsEnabledTop(size_t pos) const
{
wxCHECK_MSG( pos < GetMenuCount(), false, wxS("invalid menu index") );
WinStruct<MENUITEMINFO> mii;
mii.fMask = MIIM_STATE;
if ( !::GetMenuItemInfo(GetHmenu(), pos, TRUE, &mii) )
{
wxLogLastError(wxS("GetMenuItemInfo(menubar)"));
}
return !(mii.fState & MFS_GRAYED);
}
void wxMenuBar::SetMenuLabel(size_t pos, const wxString& label)
{
wxCHECK_RET( pos < GetMenuCount(), wxT("invalid menu index") );
m_menus[pos]->wxMenuBase::SetTitle(label);
if ( !IsAttached() )
{
return;
}
//else: have to modify the existing menu
int mswpos = MSWPositionForWxMenu(GetMenu(pos),pos);
UINT_PTR id;
UINT flagsOld = ::GetMenuState((HMENU)m_hMenu, mswpos, MF_BYPOSITION);
if ( flagsOld == 0xFFFFFFFF )
{
wxLogLastError(wxT("GetMenuState"));
return;
}
if ( flagsOld & MF_POPUP )
{
// HIBYTE contains the number of items in the submenu in this case
flagsOld &= 0xff;
id = (UINT_PTR)::GetSubMenu((HMENU)m_hMenu, mswpos);
}
else
{
id = pos;
}
#ifdef __WXWINCE__
WinStruct<MENUITEMINFO> info;
info.fMask = MIIM_TYPE;
info.fType = MFT_STRING;
info.cch = label.length();
info.dwTypeData = wxMSW_CONV_LPTSTR(label);
if ( !SetMenuItemInfo(GetHmenu(), id, TRUE, &info) )
{
wxLogLastError(wxT("SetMenuItemInfo"));
}
#else
if ( ::ModifyMenu(GetHmenu(), mswpos, MF_BYPOSITION | MF_STRING | flagsOld,
id, label.t_str()) == (int)0xFFFFFFFF )
{
wxLogLastError(wxT("ModifyMenu"));
}
#endif
Refresh();
}
wxString wxMenuBar::GetMenuLabel(size_t pos) const
{
wxCHECK_MSG( pos < GetMenuCount(), wxEmptyString,
wxT("invalid menu index in wxMenuBar::GetMenuLabel") );
return m_menus[pos]->GetTitle();
}
// ---------------------------------------------------------------------------
// wxMenuBar construction
// ---------------------------------------------------------------------------
wxMenu *wxMenuBar::Replace(size_t pos, wxMenu *menu, const wxString& title)
{
wxMenu *menuOld = wxMenuBarBase::Replace(pos, menu, title);
if ( !menuOld )
return NULL;
menu->wxMenuBase::SetTitle(title);
#if defined(WINCE_WITHOUT_COMMANDBAR)
if (IsAttached())
#else
if (GetHmenu())
#endif
{
int mswpos = MSWPositionForWxMenu(menuOld,pos);
// can't use ModifyMenu() because it deletes the submenu it replaces
if ( !::RemoveMenu(GetHmenu(), (UINT)mswpos, MF_BYPOSITION) )
{
wxLogLastError(wxT("RemoveMenu"));
}
if ( !::InsertMenu(GetHmenu(), (UINT)mswpos,
MF_BYPOSITION | MF_POPUP | MF_STRING,
(UINT_PTR)GetHmenuOf(menu), title.t_str()) )
{
wxLogLastError(wxT("InsertMenu"));
}
#if wxUSE_ACCEL
if ( menuOld->HasAccels() || menu->HasAccels() )
{
// need to rebuild accell table
RebuildAccelTable();
}
#endif // wxUSE_ACCEL
if (IsAttached())
Refresh();
}
return menuOld;
}
bool wxMenuBar::Insert(size_t pos, wxMenu *menu, const wxString& title)
{
// Find out which MSW item before which we'll be inserting before
// wxMenuBarBase::Insert is called and GetMenu(pos) is the new menu.
// If IsAttached() is false this won't be used anyway
bool isAttached =
#if defined(WINCE_WITHOUT_COMMANDBAR)
IsAttached();
#else
(GetHmenu() != 0);
#endif
if ( !wxMenuBarBase::Insert(pos, menu, title) )
return false;
menu->wxMenuBase::SetTitle(title);
if ( isAttached )
{
#if defined(WINCE_WITHOUT_COMMANDBAR)
if (!GetToolBar())
return false;
TBBUTTON tbButton;
memset(&tbButton, 0, sizeof(TBBUTTON));
tbButton.iBitmap = I_IMAGENONE;
tbButton.fsState = TBSTATE_ENABLED;
tbButton.fsStyle = TBSTYLE_DROPDOWN | TBSTYLE_NO_DROPDOWN_ARROW | TBSTYLE_AUTOSIZE;
HMENU hPopupMenu = (HMENU) menu->GetHMenu() ;
tbButton.dwData = (DWORD)hPopupMenu;
wxString label = wxStripMenuCodes(title);
tbButton.iString = (int) wxMSW_CONV_LPCTSTR(label);
tbButton.idCommand = NewControlId();
if (!::SendMessage((HWND) GetToolBar()->GetHWND(), TB_INSERTBUTTON, pos, (LPARAM)&tbButton))
{
wxLogLastError(wxT("TB_INSERTBUTTON"));
return false;
}
#else
// We have a problem with the index if there is an extra "Window" menu
// in this menu bar, which is added by wxMDIParentFrame to it directly
// using Windows API (so that it remains invisible to the user code),
// but which does affect the indices of the items we insert after it.
// So we check if any of the menus before the insertion position is a
// foreign one and adjust the insertion index accordingly.
int mswExtra = 0;
// Skip all this if the total number of menus matches (notice that the
// internal menu count has already been incremented by wxMenuBarBase::
// Insert() call above, hence -1).
int mswCount = ::GetMenuItemCount(GetHmenu());
if ( mswCount != -1 &&
static_cast<unsigned>(mswCount) != GetMenuCount() - 1 )
{
wxMenuList::compatibility_iterator node = m_menus.GetFirst();
for ( size_t n = 0; n < pos; n++ )
{
if ( ::GetSubMenu(GetHmenu(), n) != GetHmenuOf(node->GetData()) )
mswExtra++;
else
node = node->GetNext();
}
}
if ( !::InsertMenu(GetHmenu(), pos + mswExtra,
MF_BYPOSITION | MF_POPUP | MF_STRING,
(UINT_PTR)GetHmenuOf(menu), title.t_str()) )
{
wxLogLastError(wxT("InsertMenu"));
}
#endif
#if wxUSE_ACCEL
if ( menu->HasAccels() )
{
// need to rebuild accell table
RebuildAccelTable();
}
#endif // wxUSE_ACCEL
if (IsAttached())
Refresh();
}
return true;
}
bool wxMenuBar::Append(wxMenu *menu, const wxString& title)
{
WXHMENU submenu = menu ? menu->GetHMenu() : 0;
wxCHECK_MSG( submenu, false, wxT("can't append invalid menu to menubar") );
if ( !wxMenuBarBase::Append(menu, title) )
return false;
menu->wxMenuBase::SetTitle(title);
#if defined(WINCE_WITHOUT_COMMANDBAR)
if (IsAttached())
#else
if (GetHmenu())
#endif
{
#if defined(WINCE_WITHOUT_COMMANDBAR)
if (!GetToolBar())
return false;
TBBUTTON tbButton;
memset(&tbButton, 0, sizeof(TBBUTTON));
tbButton.iBitmap = I_IMAGENONE;
tbButton.fsState = TBSTATE_ENABLED;
tbButton.fsStyle = TBSTYLE_DROPDOWN | TBSTYLE_NO_DROPDOWN_ARROW | TBSTYLE_AUTOSIZE;
size_t pos = GetMenuCount();
HMENU hPopupMenu = (HMENU) menu->GetHMenu() ;
tbButton.dwData = (DWORD)hPopupMenu;
wxString label = wxStripMenuCodes(title);
tbButton.iString = (int) wxMSW_CONV_LPCTSTR(label);
tbButton.idCommand = NewControlId();
if (!::SendMessage((HWND) GetToolBar()->GetHWND(), TB_INSERTBUTTON, pos, (LPARAM)&tbButton))
{
wxLogLastError(wxT("TB_INSERTBUTTON"));
return false;
}
#else
if ( !::AppendMenu(GetHmenu(), MF_POPUP | MF_STRING,
(UINT_PTR)submenu, title.t_str()) )
{
wxLogLastError(wxT("AppendMenu"));
}
#endif
#if wxUSE_ACCEL
if ( menu->HasAccels() )
{
// need to rebuild accelerator table
RebuildAccelTable();
}
#endif // wxUSE_ACCEL
if (IsAttached())
Refresh();
}
return true;
}
wxMenu *wxMenuBar::Remove(size_t pos)
{
wxMenu *menu = wxMenuBarBase::Remove(pos);
if ( !menu )
return NULL;
#if defined(WINCE_WITHOUT_COMMANDBAR)
if (IsAttached())
#else
if (GetHmenu())
#endif
{
#if defined(WINCE_WITHOUT_COMMANDBAR)
if (GetToolBar())
{
if (!::SendMessage((HWND) GetToolBar()->GetHWND(), TB_DELETEBUTTON, (UINT) pos, (LPARAM) 0))
{
wxLogLastError(wxT("TB_DELETEBUTTON"));
}
}
#else
if ( !::RemoveMenu(GetHmenu(), (UINT)MSWPositionForWxMenu(menu,pos), MF_BYPOSITION) )
{
wxLogLastError(wxT("RemoveMenu"));
}
#endif
#if wxUSE_ACCEL
if ( menu->HasAccels() )
{
// need to rebuild accell table
RebuildAccelTable();
}
#endif // wxUSE_ACCEL
if (IsAttached())
Refresh();
}
return menu;
}
#if wxUSE_ACCEL
void wxMenuBar::RebuildAccelTable()
{
// merge the accelerators of all menus into one accel table
size_t nAccelCount = 0;
size_t i, count = GetMenuCount();
wxMenuList::iterator it;
for ( i = 0, it = m_menus.begin(); i < count; i++, it++ )
{
nAccelCount += (*it)->GetAccelCount();
}
if ( nAccelCount )
{
wxAcceleratorEntry *accelEntries = new wxAcceleratorEntry[nAccelCount];
nAccelCount = 0;
for ( i = 0, it = m_menus.begin(); i < count; i++, it++ )
{
nAccelCount += (*it)->CopyAccels(&accelEntries[nAccelCount]);
}
SetAcceleratorTable(wxAcceleratorTable(nAccelCount, accelEntries));
delete [] accelEntries;
}
else // No (more) accelerators.
{
SetAcceleratorTable(wxAcceleratorTable());
}
}
#endif // wxUSE_ACCEL
void wxMenuBar::Attach(wxFrame *frame)
{
wxMenuBarBase::Attach(frame);
#if defined(WINCE_WITH_COMMANDBAR)
if (!m_hMenu)
this->Create();
if (!m_commandBar)
m_commandBar = (WXHWND) CommandBar_Create(wxGetInstance(), (HWND) frame->GetHWND(), NewControlId());
if (m_commandBar)
{
if (m_hMenu)
{
if (!CommandBar_InsertMenubarEx((HWND) m_commandBar, NULL, (LPTSTR) m_hMenu, 0))
{
wxLogLastError(wxT("CommandBar_InsertMenubarEx"));
}
}
}
#endif
#if wxUSE_ACCEL
RebuildAccelTable();
#endif // wxUSE_ACCEL
}
#if defined(WINCE_WITH_COMMANDBAR)
bool wxMenuBar::AddAdornments(long style)
{
if (m_adornmentsAdded || !m_commandBar)
return false;
if (style & wxCLOSE_BOX)
{
if (!CommandBar_AddAdornments((HWND) m_commandBar, 0, 0))
{
wxLogLastError(wxT("CommandBar_AddAdornments"));
}
else
{
return true;
}
}
return false;
}
#endif
void wxMenuBar::Detach()
{
wxMenuBarBase::Detach();
}
wxMenu* wxMenuBar::MSWGetMenu(WXHMENU hMenu) const
{
// If we're called with the handle of the menu bar itself, we can return
// immediately as it certainly can't be the handle of one of our menus.
if ( hMenu == GetHMenu() )
return NULL;
// query all menus
for ( size_t n = 0 ; n < GetMenuCount(); ++n )
{
wxMenu* menu = GetMenu(n)->MSWGetMenu(hMenu);
if ( menu )
return menu;
}
// unknown hMenu
return NULL;
}
#endif // wxUSE_MENUS
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