C++ TTeamMenuItem::Draw方法代码示例

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);
}