C++ TTeamMenuItem::ToggleExpandState方法代码示例

void
TExpandoMenuBar::AddTeam(BList* team, BBitmap* icon, char* name,
	char* signature)
{
	float itemWidth = fVertical ? fBarView->Bounds().Width()
		: sMinimumWindowWidth;
	float itemHeight = -1.0f;

	desk_settings* settings = ((TBarApp*)be_app)->Settings();
	TTeamMenuItem* item = new TTeamMenuItem(team, icon, name, signature,
		itemWidth, itemHeight, fDrawLabel, fVertical);

	if (settings->trackerAlwaysFirst && !strcmp(signature, kTrackerSignature)) {
		AddItem(item, fFirstApp);
	} else if (settings->sortRunningApps) {
		TTeamMenuItem* teamItem
			= dynamic_cast<TTeamMenuItem*>(ItemAt(fFirstApp));
		int32 firstApp = fFirstApp;

		// if Tracker should always be the first item, we need to skip it
		// when sorting in the current item
		if (settings->trackerAlwaysFirst && teamItem != NULL
			&& !strcmp(teamItem->Signature(), kTrackerSignature)) {
			firstApp++;
		}

		int32 count = CountItems(), i;
		for (i = firstApp; i < count; i++) {
			teamItem = dynamic_cast<TTeamMenuItem*>(ItemAt(i));
			if (teamItem != NULL && strcasecmp(teamItem->Name(), name) > 0) {
				AddItem(item, i);
				break;
			}
		}
		// was the item added to the list yet?
		if (i == count)
			AddItem(item);
	} else
		AddItem(item);

	if (fVertical) {
		if (item && fShowTeamExpander && fExpandNewTeams)
			item->ToggleExpandState(false);

		fBarView->SizeWindow(BScreen(Window()).Frame());
	} else
		CheckItemSizes(1);

	Window()->UpdateIfNeeded();
}

void
TExpandoMenuBar::_DoneTracking(BPoint point)
{
	TTeamMenuItem* lastItem = dynamic_cast<TTeamMenuItem*>(fLastClickedItem);
	if (lastItem == NULL)
		return;

	if (!lastItem->ExpanderBounds().Contains(point))
		return;

	lastItem->ToggleExpandState(true);
	lastItem->SetArrowDirection(lastItem->IsExpanded()
		? BControlLook::B_DOWN_ARROW
		: BControlLook::B_RIGHT_ARROW);

	Invalidate(lastItem->ExpanderBounds());
}

void
TBarView::ExpandItems()
{
	if (fExpandoMenuBar == NULL || !fVertical || fState != kExpandoState
		|| !fBarApp->Settings()->superExpando
		|| fExpandedItems.CountItems() <= 0) {
		return;
	}

	// Start at the 'bottom' of the list working up.
	// Prevents being thrown off by expanding items.
	for (int32 i = fExpandoMenuBar->CountItems() - 1; i >= 0; i--) {
		TTeamMenuItem* teamItem
			= dynamic_cast<TTeamMenuItem*>(fExpandoMenuBar->ItemAt(i));

		if (teamItem != NULL) {
			// Start at the 'bottom' of the fExpandedItems list working up
			// matching the order of the fExpandoMenuBar list in the outer loop.
			for (int32 j = fExpandedItems.CountItems() - 1; j >= 0; j--) {
				BString* itemSig =
					static_cast<BString*>(fExpandedItems.ItemAt(j));

				if (itemSig->Compare(teamItem->Signature()) == 0) {
					// Found it, expand the item and delete signature from
					// the list so that we don't consider it for later items.
					teamItem->ToggleExpandState(false);
					fExpandedItems.RemoveItem(j);
					delete itemSig;
					break;
				}
			}
		}
	}

	// Clean up the expanded items list
	RemoveExpandedItems();
}

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::MouseDown(BPoint where)
{
	BMessage* message = Window()->CurrentMessage();
	BMenuItem* menuItem;
	TTeamMenuItem* item = TeamItemAtPoint(where, &menuItem);

	// check for three finger salute, a.k.a. Vulcan Death Grip
	if (message != NULL && item != NULL && !fBarView->Dragging()) {
		int32 modifiers = 0;
		message->FindInt32("modifiers", &modifiers);

		if ((modifiers & B_COMMAND_KEY) != 0
			&& (modifiers & B_CONTROL_KEY) != 0
			&& (modifiers & B_SHIFT_KEY) != 0) {
			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;
		}

		// control click - show all/hide all shortcut
		if ((modifiers & B_CONTROL_KEY) != 0) {
			// show/hide item's teams
			BMessage showMessage((modifiers & B_SHIFT_KEY) != 0
				? kMinimizeTeam : kBringTeamToFront);
			showMessage.AddInt32("itemIndex", IndexOf(item));
			Window()->PostMessage(&showMessage, this);
			return;
		}

		// Check the bounds of the expand Team icon
		if (fShowTeamExpander && fVertical) {
			BRect expanderRect = item->ExpanderBounds();
			if (expanderRect.Contains(where)) {
				// Let the update thread wait...
				BAutolock locker(sMonLocker);

				// Toggle the item
				item->ToggleExpandState(true);
				item->Draw();

				// Absorb the message.
				return;
			}
		}

		// double-click on an item brings the team to front
		int32 clicks;
		if (message->FindInt32("clicks", &clicks) == B_OK && clicks > 1
			&& item == menuItem && item == fLastClickItem) {
			// activate this team
			be_roster->ActivateApp((team_id)item->Teams()->ItemAt(0));
			return;
		}

		fLastClickItem = item;
	}

	BMenuBar::MouseDown(where);
}

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.........

void
TBarView::ChangeState(int32 state, bool vertical, bool left, bool top)
{
	bool vertSwap = (fVertical != vertical);
	bool leftSwap = (fLeft != left);

	fState = state;
	fVertical = vertical;
	fLeft = left;
	fTop = top;
	
	BRect screenFrame = (BScreen(Window())).Frame();

	PlaceBeMenu();
	if (fVertical){
#if SA_CLOCK
		PlaceClock();	// tray dependent on clock location
#endif
		PlaceTray(vertSwap, leftSwap, screenFrame);
	} else {
		PlaceTray(vertSwap, leftSwap, screenFrame);
#if SA_CLOCK
		PlaceClock();	// clock is dependent on tray location
#endif
	}

	// We need to keep track of what apps are expanded.
	BList expandedItems;
	BString *signature = NULL;
	if (fVertical && Expando() && static_cast<TBarApp *>(be_app)->Settings()->superExpando) {
		// Get a list of the Signatures of expanded apps - Can't use team_id because
		// there can be more than one team per application
		if (fVertical && Expando() && vertical && fExpando) {
			for (int index = 0; index < fExpando->CountItems(); index++) {
				TTeamMenuItem *item = dynamic_cast<TTeamMenuItem *>(fExpando->ItemAt(index));
				if (item != NULL && item->IsExpanded()) {
					signature = new BString(item->Signature());
					expandedItems.AddItem((void *)signature);
				}
			}
		}
	}

	PlaceApplicationBar(screenFrame);
	SizeWindow(screenFrame);
	PositionWindow(screenFrame);
	Window()->UpdateIfNeeded();
	
	// Re-expand those apps.
	if (expandedItems.CountItems() > 0) {
		for (int sigIndex = expandedItems.CountItems(); sigIndex-- > 0;) {
			signature = static_cast<BString *>(expandedItems.ItemAt(sigIndex));
			if (signature == NULL)
				continue;

			// Start at the 'bottom' of the list working up.
			// Prevents being thrown off by expanding items.
			for (int teamIndex = fExpando->CountItems(); teamIndex-- > 0;) {
				TTeamMenuItem *item = dynamic_cast<TTeamMenuItem *>(fExpando->ItemAt(teamIndex));
				if (item != NULL && !signature->Compare(item->Signature())) {
					item->ToggleExpandState(false);
					break;
				}
			}
		}

		// Clean up expanded signature list.
		while (!expandedItems.IsEmpty()) {
			delete static_cast<BString *>(expandedItems.RemoveItem((int32)0));
		}

		fExpando->SizeWindow();
	}

	Invalidate();
}