servers/app/CursorManager.cpp

10 /*!	Handles the system's cursor infrastructure */
101 		ServerCursor* cursor = ((ServerCursor*)fCursorList.ItemAtFast(i));
102 		cursor->fManager = NULL;
103 		cursor->ReleaseReference();
114 	ServerCursorReference cursor(_FindCursor(clientTeam, cursorData), false);
116 	if (!cursor) {
117 		cursor.SetTo(new (std::nothrow) ServerCursor(cursorData), true);
118 		if (cursor) {
119 			cursor->SetOwningTeam(clientTeam);
120 			if (AddCursor(cursor) < B_OK)
121 				cursor = NULL;
127 	return cursor.Detach();
138 	ServerCursor* cursor = new (std::nothrow) ServerCursor(r, format, flags,
140 	if (cursor != NULL) {
141 		cursor->SetOwningTeam(clientTeam);
142 		if (AddCursor(cursor) < B_OK) {
143 			delete cursor;
144 			cursor = NULL;
150 	return cursor;
154 /*!	\brief Registers a cursor with the manager.
155 	\param cursor ServerCursor object to register
156 	\return The token assigned to the cursor or B_ERROR if cursor is NULL
159 CursorManager::AddCursor(ServerCursor* cursor, int32 token)
161 	if (!cursor)
166 	if (!fCursorList.AddItem(cursor)) {
172 		token = fTokenSpace.NewToken(kCursorToken, cursor);
174 		fTokenSpace.SetToken(token, kCursorToken, cursor);
176 	cursor->fToken = token;
177 	cursor->AttachedToManager(this);
185 /*!	\brief Removes a cursor if it's not referenced anymore.
187 	If this was the last reference to this cursor, it will be deleted.
188 	Only if the cursor is deleted, \c true is returned.
191 CursorManager::RemoveCursor(ServerCursor* cursor)
197 	if (cursor->CountReferences() > 0) {
198 		// cursor has been referenced again in the mean time
203 	_RemoveCursor(cursor);
220 		ServerCursor* cursor = (ServerCursor*)fCursorList.ItemAtFast(index);
221 		if (cursor->OwningTeam() == team)
222 			cursor->ReleaseReference();
230 	\param path Path to the cursor set
233 	cursor for a particular cursor specifier, it will remain unchanged.
287 /*!	\brief Acquire the cursor which is used for a particular system cursor
288 	\param which Which system cursor to get
289 	\return Pointer to the particular cursor used or NULL if which is
290 	invalid or the cursor has not been assigned
363 /*!	\brief Internal function which finds the cursor with a particular ID
364 	\param token ID of the cursor to find
365 	\return The cursor or NULL if not found
373 	ServerCursor* cursor;
374 	if (fTokenSpace.GetToken(token, kCursorToken, (void**)&cursor) != B_OK)
375 		cursor = NULL;
379 	return cursor;
383 /*!	\brief Initializes a predefined system cursor.
407 	ServerCursor* cursor;
408 	if (set.FindCursor(id, &cursor) == B_OK) {
413 			items[index] = cursor;
416 		cursorMember = cursor;
426 		ServerCursor* cursor = (ServerCursor*)fCursorList.ItemAtFast(i);
427 		if (cursor->OwningTeam() == clientTeam
428 			&& cursor->CursorData()
429 			&& memcmp(cursor->CursorData(), cursorData, 68) == 0) {
430 			return cursor;
438 CursorManager::_RemoveCursor(ServerCursor* cursor)
440 	fCursorList.RemoveItem(cursor);
441 	fTokenSpace.RemoveToken(cursor->fToken);