+// wxMenuItem
+// ----------------------------------------------------------------------------
+
+wxMenuItemBase::~wxMenuItemBase()
+{
+ delete m_subMenu;
+}
+
+#if wxUSE_ACCEL
+
+// return wxAcceleratorEntry for the given menu string or NULL if none
+// specified
+wxAcceleratorEntry *wxGetAccelFromString(const wxString& label)
+{
+ // check for accelerators: they are given after '\t'
+ int posTab = label.Find(wxT('\t'));
+ if ( posTab != wxNOT_FOUND ) {
+ // parse the accelerator string
+ int keyCode = 0;
+ int accelFlags = wxACCEL_NORMAL;
+ wxString current;
+ for ( size_t n = (size_t)posTab + 1; n < label.Len(); n++ ) {
+ if ( (label[n] == '+') || (label[n] == '-') ) {
+ if ( current == _("ctrl") )
+ accelFlags |= wxACCEL_CTRL;
+ else if ( current == _("alt") )
+ accelFlags |= wxACCEL_ALT;
+ else if ( current == _("shift") )
+ accelFlags |= wxACCEL_SHIFT;
+ else {
+ wxLogDebug(wxT("Unknown accel modifier: '%s'"),
+ current.c_str());
+ }
+
+ current.Empty();
+ }
+ else {
+ current += wxTolower(label[n]);
+ }
+ }
+
+ if ( current.IsEmpty() ) {
+ wxLogDebug(wxT("No accel key found, accel string ignored."));
+ }
+ else {
+ if ( current.Len() == 1 ) {
+ // it's a letter
+ keyCode = wxToupper(current[0U]);
+ }
+ else {
+ // is it a function key?
+ if ( current[0U] == 'f' && isdigit(current[1U]) &&
+ (current.Len() == 2 ||
+ (current.Len() == 3 && isdigit(current[2U]))) ) {
+ int n;
+ wxSscanf(current.c_str() + 1, wxT("%d"), &n);
+
+ keyCode = WXK_F1 + n - 1;
+ }
+ else {
+ // several special cases
+ current.MakeUpper();
+ if ( current == wxT("DEL") ) {
+ keyCode = WXK_DELETE;
+ }
+ else if ( current == wxT("DELETE") ) {
+ keyCode = WXK_DELETE;
+ }
+ else if ( current == wxT("INS") ) {
+ keyCode = WXK_INSERT;
+ }
+ else if ( current == wxT("INSERT") ) {
+ keyCode = WXK_INSERT;
+ }
+#if 0
+ else if ( current == wxT("PGUP") ) {
+ keyCode = VK_PRIOR;
+ }
+ else if ( current == wxT("PGDN") ) {
+ keyCode = VK_NEXT;
+ }
+#endif
+ else
+ {
+ wxLogDebug(wxT("Unrecognized accel key '%s', accel string ignored."),
+ current.c_str());
+ }
+ }
+ }
+ }
+
+ if ( keyCode ) {
+ // we do have something
+ return new wxAcceleratorEntry(accelFlags, keyCode);
+ }
+ }
+
+ return (wxAcceleratorEntry *)NULL;
+}
+
+wxAcceleratorEntry *wxMenuItemBase::GetAccel() const
+{
+ return wxGetAccelFromString(GetText());
+}
+
+void wxMenuItemBase::SetAccel(wxAcceleratorEntry *accel)
+{
+ wxString text = m_text.BeforeFirst(wxT('\t'));
+ if ( accel )
+ {
+ text += wxT('\t');
+
+ int flags = accel->GetFlags();
+ if ( flags & wxACCEL_ALT )
+ text += wxT("Alt-");
+ if ( flags & wxACCEL_CTRL )
+ text += wxT("Ctrl-");
+ if ( flags & wxACCEL_SHIFT )
+ text += wxT("Shift-");
+
+ int code = accel->GetKeyCode();
+ switch ( code )
+ {
+ case WXK_F1:
+ case WXK_F2:
+ case WXK_F3:
+ case WXK_F4:
+ case WXK_F5:
+ case WXK_F6:
+ case WXK_F7:
+ case WXK_F8:
+ case WXK_F9:
+ case WXK_F10:
+ case WXK_F11:
+ case WXK_F12:
+ text << wxT('F') << code - WXK_F1 + 1;
+ break;
+
+ // if there are any other keys wxGetAccelFromString() may return,
+ // we should process them here
+
+ default:
+ if ( wxIsalnum(code) )
+ {
+ text << (wxChar)code;
+
+ break;
+ }
+
+ wxFAIL_MSG( wxT("unknown keyboard accel") );
+ }
+ }
+
+ SetText(text);
+}
+
+#endif // wxUSE_ACCEL
+
+// ----------------------------------------------------------------------------
+// wxMenu ctor and dtor
+// ----------------------------------------------------------------------------
+
+void wxMenuBase::Init(long style)
+{
+ m_items.DeleteContents(TRUE);
+
+ m_menuBar = (wxMenuBar *)NULL;
+ m_menuParent = (wxMenu *)NULL;
+
+ m_invokingWindow = (wxWindow *)NULL;
+ m_style = style;
+ m_clientData = (void *)NULL;
+ m_eventHandler = this;
+
+#if wxUSE_MENU_CALLBACK
+ m_callback = (wxFunction) NULL;
+#endif // wxUSE_MENU_CALLBACK
+}
+
+wxMenuBase::~wxMenuBase()
+{
+ // nothing to do, wxMenuItemList dtor will delete the menu items.
+
+ // Actually, in GTK, the submenus have to get deleted first.
+}
+
+// ----------------------------------------------------------------------------
+// wxMenu item adding/removing
+// ----------------------------------------------------------------------------
+
+void wxMenuBase::AddSubMenu(wxMenu *submenu)
+{
+ wxCHECK_RET( submenu, _T("can't add a NULL submenu") );
+
+ if ( m_menuBar )
+ {
+ submenu->Attach(m_menuBar);
+ }
+
+ submenu->SetParent((wxMenu *)this);
+}
+
+bool wxMenuBase::DoAppend(wxMenuItem *item)
+{
+ wxCHECK_MSG( item, FALSE, wxT("invalid item in wxMenu::Append()") );
+
+ m_items.Append(item);
+ if ( item->IsSubMenu() )
+ {
+ AddSubMenu(item->GetSubMenu());
+ }
+
+ return TRUE;
+}
+
+bool wxMenuBase::Insert(size_t pos, wxMenuItem *item)
+{
+ wxCHECK_MSG( item, FALSE, wxT("invalid item in wxMenu::Insert") );
+
+ if ( pos == GetMenuItemCount() )
+ {
+ return DoAppend(item);
+ }
+ else
+ {
+ wxCHECK_MSG( pos < GetMenuItemCount(), FALSE,
+ wxT("invalid index in wxMenu::Insert") );
+
+ return DoInsert(pos, item);
+ }
+}
+
+bool wxMenuBase::DoInsert(size_t pos, wxMenuItem *item)
+{
+ wxCHECK_MSG( item, FALSE, wxT("invalid item in wxMenu::Insert()") );
+
+ wxMenuItemList::Node *node = m_items.Item(pos);
+ wxCHECK_MSG( node, FALSE, wxT("invalid index in wxMenu::Insert()") );
+
+ m_items.Insert(node, item);
+ if ( item->IsSubMenu() )
+ {
+ AddSubMenu(item->GetSubMenu());
+ }
+
+ return TRUE;
+}
+
+wxMenuItem *wxMenuBase::Remove(wxMenuItem *item)
+{
+ wxCHECK_MSG( item, NULL, wxT("invalid item in wxMenu::Remove") );
+
+ return DoRemove(item);
+}
+
+wxMenuItem *wxMenuBase::DoRemove(wxMenuItem *item)
+{
+ wxMenuItemList::Node *node = m_items.Find(item);
+
+ // if we get here, the item is valid or one of Remove() functions is broken
+ wxCHECK_MSG( node, NULL, wxT("bug in wxMenu::Remove logic") );
+
+ // we detach the item, but we do delete the list node (i.e. don't call
+ // DetachNode() here!)
+ node->SetData((wxMenuItem *)NULL); // to prevent it from deleting the item
+ m_items.DeleteNode(node);
+
+ // item isn't attached to anything any more
+ wxMenu *submenu = item->GetSubMenu();
+ if ( submenu )
+ {
+ submenu->SetParent((wxMenu *)NULL);
+ }
+
+ return item;
+}
+
+bool wxMenuBase::Delete(wxMenuItem *item)
+{
+ wxCHECK_MSG( item, FALSE, wxT("invalid item in wxMenu::Delete") );
+
+ return DoDelete(item);
+}
+
+bool wxMenuBase::DoDelete(wxMenuItem *item)
+{
+ wxMenuItem *item2 = DoRemove(item);
+ wxCHECK_MSG( item2, FALSE, wxT("failed to delete menu item") );
+
+ // don't delete the submenu
+ item2->SetSubMenu((wxMenu *)NULL);
+
+ delete item2;
+
+ return TRUE;
+}
+
+bool wxMenuBase::Destroy(wxMenuItem *item)
+{
+ wxCHECK_MSG( item, FALSE, wxT("invalid item in wxMenu::Destroy") );
+
+ return DoDestroy(item);
+}
+
+bool wxMenuBase::DoDestroy(wxMenuItem *item)
+{
+ wxMenuItem *item2 = DoRemove(item);
+ wxCHECK_MSG( item2, FALSE, wxT("failed to delete menu item") );
+
+ delete item2;
+
+ return TRUE;
+}
+
+// ----------------------------------------------------------------------------
+// wxMenu searching for items
+// ----------------------------------------------------------------------------
+
+// Finds the item id matching the given string, -1 if not found.
+int wxMenuBase::FindItem(const wxString& text) const
+{
+ wxString label = wxMenuItem::GetLabelFromText(text);
+ for ( wxMenuItemList::Node *node = m_items.GetFirst();
+ node;
+ node = node->GetNext() )
+ {
+ wxMenuItem *item = node->GetData();
+ if ( item->IsSubMenu() )
+ {
+ int rc = item->GetSubMenu()->FindItem(label);
+ if ( rc != wxNOT_FOUND )
+ return rc;
+ }
+
+ // we execute this code for submenus as well to alllow finding them by
+ // name just like the ordinary items
+ if ( !item->IsSeparator() )
+ {
+ if ( item->GetLabel() == label )
+ return item->GetId();
+ }
+ }
+
+ return wxNOT_FOUND;
+}
+
+// recursive search for item by id
+wxMenuItem *wxMenuBase::FindItem(int itemId, wxMenu **itemMenu) const
+{
+ if ( itemMenu )
+ *itemMenu = NULL;
+
+ wxMenuItem *item = NULL;
+ for ( wxMenuItemList::Node *node = m_items.GetFirst();
+ node && !item;
+ node = node->GetNext() )
+ {
+ item = node->GetData();
+
+ if ( item->GetId() == itemId )
+ {
+ if ( itemMenu )
+ *itemMenu = (wxMenu *)this;
+ }
+ else if ( item->IsSubMenu() )
+ {
+ item = item->GetSubMenu()->FindItem(itemId, itemMenu);
+ }
+ else
+ {
+ // don't exit the loop
+ item = NULL;
+ }
+ }
+
+ return item;
+}
+
+// non recursive search
+wxMenuItem *wxMenuBase::FindChildItem(int id, size_t *ppos) const
+{
+ wxMenuItem *item = (wxMenuItem *)NULL;
+ wxMenuItemList::Node *node = GetMenuItems().GetFirst();
+
+ size_t pos;
+ for ( pos = 0; node; pos++ )
+ {
+ if ( node->GetData()->GetId() == id )
+ {
+ item = node->GetData();
+
+ break;
+ }
+
+ node = node->GetNext();
+ }
+
+ if ( ppos )
+ {
+ *ppos = item ? pos : (size_t)wxNOT_FOUND;
+ }
+
+ return item;
+}
+
+// ----------------------------------------------------------------------------
+// wxMenu helpers used by derived classes
+// ----------------------------------------------------------------------------
+
+// Update a menu and all submenus recursively. source is the object that has
+// the update event handlers defined for it. If NULL, the menu or associated
+// window will be used.
+void wxMenuBase::UpdateUI(wxEvtHandler* source)
+{
+ if ( !source && GetInvokingWindow() )
+ source = GetInvokingWindow()->GetEventHandler();
+ if ( !source )
+ source = GetEventHandler();
+ if ( !source )
+ source = this;
+
+ wxMenuItemList::Node* node = GetMenuItems().GetFirst();
+ while ( node )
+ {
+ wxMenuItem* item = node->GetData();
+ if ( !item->IsSeparator() )
+ {
+ wxWindowID id = item->GetId();
+ wxUpdateUIEvent event(id);
+ event.SetEventObject( source );
+
+ if ( source->ProcessEvent(event) )
+ {
+ // if anything changed, update the chanegd attribute
+ if (event.GetSetText())
+ SetLabel(id, event.GetText());
+ if (event.GetSetChecked())
+ Check(id, event.GetChecked());
+ if (event.GetSetEnabled())
+ Enable(id, event.GetEnabled());
+ }
+
+ // recurse to the submenus
+ if ( item->GetSubMenu() )
+ item->GetSubMenu()->UpdateUI(source);
+ }
+ //else: item is a separator (which don't process update UI events)
+
+ node = node->GetNext();
+ }
+}
+
+bool wxMenuBase::SendEvent(int id, int checked)
+{
+ wxCommandEvent event(wxEVT_COMMAND_MENU_SELECTED, id);
+ event.SetEventObject(this);
+ event.SetInt(checked);
+
+ bool processed = FALSE;
+
+#if wxUSE_MENU_CALLBACK
+ // Try a callback
+ if (m_callback)
+ {
+ (void)(*(m_callback))(*this, event);
+ processed = TRUE;
+ }
+#endif // wxUSE_MENU_CALLBACK
+
+ // Try the menu's event handler
+ if ( !processed )
+ {
+ wxEvtHandler *handler = GetEventHandler();
+ if ( handler )
+ processed = handler->ProcessEvent(event);
+ }
+
+ // Try the window the menu was popped up from (and up through the
+ // hierarchy)
+ if ( !processed )
+ {
+ const wxMenuBase *menu = this;
+ while ( menu )
+ {
+ wxWindow *win = menu->GetInvokingWindow();
+ if ( win )
+ {
+ processed = win->GetEventHandler()->ProcessEvent(event);
+ break;
+ }
+
+ menu = menu->GetParent();
+ }
+ }
+
+ return processed;
+}
+
+// ----------------------------------------------------------------------------
+// wxMenu attaching/detaching to/from menu bar
+// ----------------------------------------------------------------------------
+
+void wxMenuBase::Attach(wxMenuBarBase *menubar)
+{
+ // use Detach() instead!
+ wxASSERT_MSG( menubar, _T("menu can't be attached to NULL menubar") );
+
+ // use IsAttached() to prevent this from happening
+ wxASSERT_MSG( !m_menuBar, _T("attaching menu twice?") );
+
+ m_menuBar = (wxMenuBar *)menubar;
+}
+
+void wxMenuBase::Detach()
+{
+ // use IsAttached() to prevent this from happening
+ wxASSERT_MSG( m_menuBar, _T("detaching unattached menu?") );
+
+ m_menuBar = NULL;
+}
+
+// ----------------------------------------------------------------------------
+// wxMenu functions forwarded to wxMenuItem
+// ----------------------------------------------------------------------------
+
+void wxMenuBase::Enable( int id, bool enable )
+{
+ wxMenuItem *item = FindItem(id);
+
+ wxCHECK_RET( item, wxT("wxMenu::Enable: no such item") );
+
+ item->Enable(enable);
+}
+
+bool wxMenuBase::IsEnabled( int id ) const
+{
+ wxMenuItem *item = FindItem(id);
+
+ wxCHECK_MSG( item, FALSE, wxT("wxMenu::IsEnabled: no such item") );
+
+ return item->IsEnabled();
+}
+
+void wxMenuBase::Check( int id, bool enable )
+{
+ wxMenuItem *item = FindItem(id);
+
+ wxCHECK_RET( item, wxT("wxMenu::Check: no such item") );
+
+ item->Check(enable);
+}
+
+bool wxMenuBase::IsChecked( int id ) const
+{
+ wxMenuItem *item = FindItem(id);
+
+ wxCHECK_MSG( item, FALSE, wxT("wxMenu::IsChecked: no such item") );
+
+ return item->IsChecked();
+}
+
+void wxMenuBase::SetLabel( int id, const wxString &label )
+{
+ wxMenuItem *item = FindItem(id);
+
+ wxCHECK_RET( item, wxT("wxMenu::SetLabel: no such item") );
+
+ item->SetText(label);
+}
+
+wxString wxMenuBase::GetLabel( int id ) const
+{
+ wxMenuItem *item = FindItem(id);
+
+ wxCHECK_MSG( item, wxT(""), wxT("wxMenu::GetLabel: no such item") );
+
+ return item->GetText();
+}
+
+void wxMenuBase::SetHelpString( int id, const wxString& helpString )
+{
+ wxMenuItem *item = FindItem(id);
+
+ wxCHECK_RET( item, wxT("wxMenu::SetHelpString: no such item") );
+
+ item->SetHelp( helpString );
+}
+
+wxString wxMenuBase::GetHelpString( int id ) const
+{
+ wxMenuItem *item = FindItem(id);
+
+ wxCHECK_MSG( item, wxT(""), wxT("wxMenu::GetHelpString: no such item") );
+
+ return item->GetHelp();
+}
+
+// ----------------------------------------------------------------------------
+// wxMenuBarBase ctor and dtor
projects / wxWidgets.git / blobdiff