C++ TTeamMenuItem::Submenu方法代码示例

void
TTeamMenu::AttachedToWindow()
{
	RemoveItems(0, CountItems(), true);
		// remove all items

	BMessenger self(this);
	BList teamList;
	TBarApp::Subscribe(self, &teamList);

	TBarView* barview = (dynamic_cast<TBarApp*>(be_app))->BarView();
	bool dragging = barview && barview->Dragging();
	int32 iconSize = static_cast<TBarApp*>(be_app)->IconSize();
	desk_settings* settings = ((TBarApp*)be_app)->Settings();

	float width = sMinimumWindowWidth - iconSize - 4;

	if (settings->sortRunningApps)
		teamList.SortItems(CompareByName);

	int32 count = teamList.CountItems();
	for (int32 i = 0; i < count; i++) {
		// add items back
		BarTeamInfo* barInfo = (BarTeamInfo*)teamList.ItemAt(i);
		TTeamMenuItem* item = new TTeamMenuItem(barInfo->teams,
			barInfo->icon, barInfo->name, barInfo->sig,
			width, -1, !settings->hideLabels, true);

		if (settings->trackerAlwaysFirst
			&& strcmp(barInfo->sig, kTrackerSignature) == 0) {
			AddItem(item, 0);
		} else
			AddItem(item);

		if (dragging && item != NULL) {
			bool canhandle = (dynamic_cast<TBarApp*>(be_app))->BarView()->
				AppCanHandleTypes(item->Signature());
			if (item->IsEnabled() != canhandle)
				item->SetEnabled(canhandle);

			BMenu* menu = item->Submenu();
			if (menu)
				menu->SetTrackingHook(barview->MenuTrackingHook,
					barview->GetTrackingHookData());
		}
	}

	if (CountItems() == 0) {
		BMenuItem* item = new BMenuItem("no application running", NULL);
		item->SetEnabled(false);
		AddItem(item);
	}

	if (dragging && barview->LockLooper()) {
		SetTrackingHook(barview->MenuTrackingHook,
			barview->GetTrackingHookData());
		barview->DragStart();
		barview->UnlockLooper();
	}

	BMenu::AttachedToWindow();
}

void
TExpandoMenuBar::MouseDown(BPoint where)
{
	BMessage *message = Window()->CurrentMessage();
	
	// check for three finger salute, a.k.a. Vulcan Death Grip
	if (message != NULL) {
		int32 modifiers = 0;
		message->FindInt32("modifiers", &modifiers);

		if ((modifiers & B_COMMAND_KEY) != 0
			&& (modifiers & B_OPTION_KEY) != 0
			&& (modifiers & B_SHIFT_KEY) != 0
			&& !fBarView->Dragging()) {
			
			TTeamMenuItem *item = ItemAtPoint(where);
			if (item) {
				const BList	*teams = item->Teams();
				int32 teamCount = teams->CountItems();

				team_id teamID;
				for (int32 team = 0; team < teamCount; team++) {
					teamID = (team_id)teams->ItemAt(team);
					kill_team(teamID);
					//	remove the team immediately
					//	from display
					RemoveTeam(teamID, false);
				}
					
				return;
			}		
		}
	}
	
	const int32 count = CountItems();

// This feature is broken because the menu bar never receives
// the second click
#ifdef DOUBLECLICKBRINGSTOFRONT
	// doubleclick on an item brings all to front
	for (int32 i = fFirstApp; i < count; i++) {
		TTeamMenuItem *item = (TTeamMenuItem *)ItemAt(i);
		if (item->Frame().Contains(where)) {
			bigtime_t clickSpeed = 0;
			get_click_speed(&clickSpeed);
			if ( (fLastClickItem == i) && 
				 (clickSpeed > (system_time() - fLastClickTime)) ) {
				// bring this team's window to the front
				BMessage showMessage(M_BRING_TEAM_TO_FRONT);
				showMessage.AddInt32("itemIndex", i);
				Window()->PostMessage(&showMessage, this);
				return;
			}

			fLastClickItem = i;
			fLastClickTime = system_time();
			break;
		}
	}
#endif

	// control click - show all/hide all shortcut
	if (message != NULL) {
		int32 modifiers = 0;
		message->FindInt32("modifiers", &modifiers);
		if ((modifiers & B_CONTROL_KEY) != 0
			&& ! fBarView->Dragging()) {
			int32 lastApp = -1;

			// find the clicked item
			for (int32 i = fFirstApp; i < count; i++) {
				const TTeamMenuItem *item = (TTeamMenuItem *)ItemAt(i);

				// check if this item is really a team item	(what a cruel way...)
				// "lastApp" will always point to the last application in
				// the list - the other entries might be windows (due to the team expander)
				if (item->Submenu())
					 lastApp = i;

				if (item->Frame().Contains(where)) {
					// show/hide item's teams
					BMessage showMessage((modifiers & B_SHIFT_KEY) != 0
						? M_MINIMIZE_TEAM : M_BRING_TEAM_TO_FRONT);
					showMessage.AddInt32("itemIndex", lastApp);
					Window()->PostMessage(&showMessage, this);
					return;
				}
			}
		}
	}

	// Check the bounds of the expand Team icon
	if (fShowTeamExpander && fVertical && !fBarView->Dragging()) {
		TTeamMenuItem *item = ItemAtPoint(where);
		if (item->Submenu()){
			BRect expanderRect = item->ExpanderBounds();
			if (expanderRect.Contains(where)) {
				item->ToggleExpandState(true);
				item->Draw();
				// Absorb the message.
//.........这里部分代码省略.........

void
TExpandoMenuBar::BuildItems()
{
	BMessenger self(this);
	TBarApp::Subscribe(self, &fTeamList);

	int32 iconSize = static_cast<TBarApp*>(be_app)->IconSize();
	desk_settings* settings = static_cast<TBarApp*>(be_app)->Settings();

	float itemWidth = -1.0f;
	if (fVertical)
		itemWidth = Frame().Width();
	else {
		itemWidth = iconSize;
		if (!settings->hideLabels)
			itemWidth += gMinimumWindowWidth - kMinimumIconSize;
		else
			itemWidth += kIconPadding * 2;
	}
	float itemHeight = -1.0f;

	TeamMenuItemMap items;
	int32 itemCount = CountItems();
	BList itemList(itemCount);
	for (int32 i = 0; i < itemCount; i++) {
		BMenuItem* menuItem = RemoveItem((int32)0);
		itemList.AddItem(menuItem);
		TTeamMenuItem* item = dynamic_cast<TTeamMenuItem*>(menuItem);
		if (item != NULL)
			items[BString(item->Signature()).ToLower()] = item;
	}

	if (settings->sortRunningApps)
		fTeamList.SortItems(TTeamMenu::CompareByName);

	int32 teamCount = fTeamList.CountItems();
	for (int32 i = 0; i < teamCount; i++) {
		BarTeamInfo* barInfo = (BarTeamInfo*)fTeamList.ItemAt(i);
		TeamMenuItemMap::const_iterator iter
			= items.find(BString(barInfo->sig).ToLower());
		if (iter == items.end()) {
			// new team
			TTeamMenuItem* item = new TTeamMenuItem(barInfo->teams,
				barInfo->icon, barInfo->name, barInfo->sig, itemWidth,
				itemHeight);

			if (settings->trackerAlwaysFirst
				&& strcasecmp(barInfo->sig, kTrackerSignature) == 0) {
				AddItem(item, 0);
			} else
				AddItem(item);

			if (fFirstBuild && fVertical && settings->expandNewTeams)
				item->ToggleExpandState(true);

		} else {
			// existing team, update info and add it
			TTeamMenuItem* item = iter->second;
			item->SetIcon(barInfo->icon);
			item->SetOverrideWidth(itemWidth);
			item->SetOverrideHeight(itemHeight);

			if (settings->trackerAlwaysFirst
				&& strcasecmp(barInfo->sig, kTrackerSignature) == 0) {
				AddItem(item, 0);
			} else
				AddItem(item);

			// add window items back
			int32 index = itemList.IndexOf(item);
			TWindowMenuItem* windowItem;
			TWindowMenu* submenu = dynamic_cast<TWindowMenu*>(item->Submenu());
			bool hasWindowItems = false;
			while ((windowItem = dynamic_cast<TWindowMenuItem*>(
					(BMenuItem*)(itemList.ItemAt(++index)))) != NULL) {
				if (fVertical)
					AddItem(windowItem);
				else {
					delete windowItem;
					hasWindowItems = submenu != NULL;
				}
			}

			// unexpand if turn off show team expander
			if (fVertical && !settings->superExpando && item->IsExpanded())
				item->ToggleExpandState(false);

			if (hasWindowItems) {
				// add (new) window items in submenu
				submenu->SetExpanded(false, 0);
				submenu->AttachedToWindow();
			}
		}
	}

	if (CountItems() == 0) {
		// If we're empty, BMenuBar::AttachedToWindow() resizes us to some
		// weird value - we just override it again
		ResizeTo(itemWidth, 0);
	}
//.........这里部分代码省略.........