/ExtLibs/wxWidgets/src/msw/menu.cpp
C++ | 1567 lines | 1102 code | 250 blank | 215 comment | 200 complexity | bb8549954b77cabae5bcec72878edaff MD5 | raw file
- /////////////////////////////////////////////////////////////////////////////
- // Name: src/msw/menu.cpp
- // Purpose: wxMenu, wxMenuBar, wxMenuItem
- // Author: Julian Smart
- // Modified by: Vadim Zeitlin
- // Created: 04/01/98
- // RCS-ID: $Id$
- // 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>
- #if wxUSE_OWNER_DRAWN
- #include "wx/dynlib.h"
- #endif
- #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;
- }
- 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__
- MENUITEMINFO mii;
- wxZeroMemory(mii);
- mii.cbSize = sizeof(MENUITEMINFO);
- 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__
- MENUITEMINFO mii;
- wxZeroMemory(mii);
- mii.cbSize = sizeof(MENUITEMINFO);
- 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)
- {
- MENUITEMINFO info;
- wxZeroMemory(info);
- info.cbSize = sizeof(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__
- inline bool IsGreaterThanStdSize(const wxBitmap& bmp)
- {
- return bmp.GetWidth() > ::GetSystemMetrics(SM_CXMENUCHECK) ||
- bmp.GetHeight() > ::GetSystemMetrics(SM_CYMENUCHECK);
- }
- } // anonymous namespace
- // ============================================================================
- // implementation
- // ============================================================================
- // ---------------------------------------------------------------------------
- // wxMenu construction, adding and removing menu items
- // ---------------------------------------------------------------------------
- // Construct a menu with optional title (then use append)
- void wxMenu::Init()
- {
- m_radioData = NULL;
- m_doBreak = false;
- #if wxUSE_OWNER_DRAWN
- m_ownerDrawn = false;
- m_maxBitmapWidth = 0;
- m_maxAccelWidth = -1;
- #endif // wxUSE_OWNER_DRAWN
- // 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);
- }
- }
- // 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 ( !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();
- }
- ResetMaxAccelWidth();
- }
- //else: it is a separator, they can't have accels, nothing to do
- }
- #endif // wxUSE_ACCEL
- namespace
- {
- // helper of DoInsertOrAppend(): returns the HBITMAP to use in MENUITEMINFO
- HBITMAP GetHBitmapForMenu(wxMenuItem *pItem, bool checked = true)
- {
- // Under versions of Windows older than Vista we can't pass HBITMAP
- // directly as hbmpItem for 2 reasons:
- // 1. We can't draw it with transparency then (this is not
- // very important now but would be with themed menu bg)
- // 2. Worse, Windows inverts the bitmap for the selected
- // item and this looks downright ugly
- //
- // So we prefer to instead draw it ourselves in MSWOnDrawItem().by using
- // HBMMENU_CALLBACK when inserting it
- //
- // However under Vista using HBMMENU_CALLBACK causes the entire menu to be
- // drawn using the classic theme instead of the current one and it does
- // handle transparency just fine so do use the real bitmap there
- #if wxUSE_IMAGE
- if ( wxGetWinVersion() >= wxWinVersion_Vista )
- {
- wxBitmap bmp = pItem->GetBitmap(checked);
- if ( bmp.IsOk() )
- {
- // we must use PARGB DIB for the menu bitmaps so ensure that we do
- wxImage img(bmp.ConvertToImage());
- if ( !img.HasAlpha() )
- {
- img.InitAlpha();
- pItem->SetBitmap(img, checked);
- }
- return GetHbitmapOf(pItem->GetBitmap(checked));
- }
- //else: bitmap is not set
- return NULL;
- }
- #endif // wxUSE_IMAGE
- return HBMMENU_CALLBACK;
- }
- } // anonymous namespace
- bool wxMenu::MSWGetRadioGroupRange(int pos, int *start, int *end) const
- {
- return m_radioData && m_radioData->GetGroupRange(pos, start, end);
- }
- // 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;
- }
- // 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);
- #endif // wxUSE_OWNER_DRAWN
- // check if we have something more than a simple text item
- #if wxUSE_OWNER_DRAWN
- if ( pItem->IsOwnerDrawn() )
- {
- #ifndef __DMC__
- if ( !m_ownerDrawn && !pItem->IsSeparator() )
- {
- // MIIM_BITMAP only works under WinME/2000+ so we always use owner
- // drawn item under the previous versions and we also have to use
- // them in any case if the item has custom colours or font
- static const wxWinVersion winver = wxGetWinVersion();
- bool mustUseOwnerDrawn = winver < wxWinVersion_98 ||
- pItem->GetTextColour().IsOk() ||
- pItem->GetBackgroundColour().IsOk() ||
- pItem->GetFont().IsOk();
- if ( !mustUseOwnerDrawn )
- {
- const wxBitmap& bmpUnchecked = pItem->GetBitmap(false),
- bmpChecked = pItem->GetBitmap(true);
- if ( (bmpUnchecked.IsOk() && IsGreaterThanStdSize(bmpUnchecked)) ||
- (bmpChecked.IsOk() && IsGreaterThanStdSize(bmpChecked)) )
- {
- mustUseOwnerDrawn = true;
- }
- }
- // use InsertMenuItem() if possible as it's guaranteed to look
- // correct while our owner-drawn code is not
- if ( !mustUseOwnerDrawn )
- {
- 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 = GetHBitmapForMenu(pItem, true);
- mii.hbmpUnchecked = GetHBitmapForMenu(pItem, false);
- }
- else if ( pItem->GetBitmap().IsOk() )
- {
- mii.fMask |= MIIM_BITMAP;
- mii.hbmpItem = GetHBitmapForMenu(pItem);
- }
- mii.cch = itemText.length();
- mii.dwTypeData = const_cast<wxChar *>(itemText.wx_str());
- if ( flags & MF_POPUP )
- {
- mii.fMask |= MIIM_SUBMENU;
- mii.hSubMenu = GetHmenuOf(pItem->GetSubMenu());
- }
- else
- {
- mii.fMask |= MIIM_ID;
- mii.wID = id;
- }
- mii.dwItemData = reinterpret_cast<ULONG_PTR>(pItem);
- ok = ::InsertMenuItem(GetHmenu(), pos, TRUE /* by pos */, &mii);
- if ( !ok )
- {
- wxLogLastError(wxT("InsertMenuItem()"));
- }
- 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)"));
- }
- }
- // tell the item that it's not really owner-drawn but only
- // needs to draw its bitmap, the rest is done by Windows
- pItem->SetOwnerDrawn(false);
- }
- }
- }
- #endif // __DMC__
- if ( !ok )
- {
- // 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);
- }
- }
- }
- else
- #endif // wxUSE_OWNER_DRAWN
- {
- // item is just a normal string (passed in data parameter)
- flags |= MF_STRING;
- #ifdef __WXWINCE__
- itemText = wxMenuItem::GetLabelText(itemText);
- #endif
- pData = (wxChar*)itemText.wx_str();
- }
- // 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;
- }
- }
- // 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();
- }
- // DoRemove() (unlike Remove) can only be called for an existing item!
- wxCHECK_MSG( node, NULL, wxT("bug in wxMenu::Remove logic") );
- #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);
- ResetMaxAccelWidth();
- }
- //else: this item doesn't have an accel, nothing to do
- #endif // wxUSE_ACCEL
- // 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(new wxAcceleratorEntry[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.wx_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__
- MENUITEMINFO info;
- wxZeroMemory(info);
- info.cbSize = sizeof(info);
- info.fMask = MIIM_TYPE;
- info.fType = MFT_STRING;
- info.cch = m_title.length();
- info.dwTypeData = const_cast<wxChar *>(m_title.wx_str());
- if ( !SetMenuItemInfo(hMenu, 0, TRUE, & info) )
- {
- wxLogLastError(wxT("SetMenuItemInfo"));
- }
- #else
- if ( !ModifyMenu(hMenu, 0u,
- MF_BYPOSITION | MF_STRING,
- (UINT_PTR)idMenuTitle, m_title.wx_str()) )
- {
- wxLogLastError(wxT("ModifyMenu"));
- }
- #endif
- }
- }
- #ifdef __WIN32__
- // put the title string in bold face
- if ( !m_title.empty() )
- {
- SetDefaultMenuItem(GetHmenu(), (UINT_PTR)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 )
- {
- // 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
- UINT menuState = ::GetMenuState(GetHmenu(), id, MF_BYCOMMAND);
- SendEvent(id, menuState & MF_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) label.wx_str();
- 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().wx_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();
- }
- 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__
- MENUITEMINFO info;
- wxZeroMemory(info);
- info.cbSize = sizeof(info);
- info.fMask = MIIM_TYPE;
- info.fType = MFT_STRING;
- info.cch = label.length();
- info.dwTypeData = const_cast<wxChar *>(label.wx_str());
- if ( !SetMenuItemInfo(GetHmenu(), id, TRUE, &info) )
- {
- wxLogLastError(wxT("SetMenuItemInfo"));
- }
- #else
- if ( ::ModifyMenu(GetHmenu(), mswpos, MF_BYPOSITION | MF_STRING | flagsOld,
- id, label.wx_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.wx_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
- int mswpos = (!isAttached || (pos == m_menus.GetCount()))
- ? -1 // append the menu
- : MSWPositionForWxMenu(GetMenu(pos),pos);
- 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) label.wx_str();
- tbButton.idCommand = NewControlId();
- if (!::SendMessage((HWND) GetToolBar()->GetHWND(), TB_INSERTBUTTON, pos, (LPARAM)&tbButton))
- {
- wxLogLastError(wxT("TB_INSERTBUTTON"));
- return false;
- }
- wxUnusedVar(mswpos);
- #else
- if ( !::InsertMenu(GetHmenu(), mswpos,
- MF_BYPOSITION | MF_POPUP | MF_STRING,
- (UINT_PTR)GetHmenuOf(menu), title.wx_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) label.wx_str();
- 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.wx_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;
- }
- }
- #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();
- }
- // get the menu with given handle (recursively)
- wxMenu* wxMenuBar::MSWGetMenu(WXHMENU hMenu)
- {
- wxCHECK_MSG( GetHMenu() != hMenu, NULL,
- wxT("wxMenuBar::MSWGetMenu(): menu handle is wxMenuBar, not wxMenu") );
- // 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