void Paint()
{
if (this->disableCount == 0)
{
cursor.Erase();
cursor.Paint(this->posX, this->posY);
}
commonParams->mouse.x = this->prevX = this->posX;
commonParams->mouse.y = this->prevY = this->posY;
commonParams->mouse.buttons = this->prevButton = this->button;
}
bool Initialize()
{
MessageInfo msg;
uint32_t tid;
if (monapi_name_whereis("/servers/process", tid) != M_OK) {
monapi_warn("process server not found");
}
if (Message::sendReceive(&msg, tid, MSG_PROCESS_GET_COMMON_PARAMS) != M_OK)
{
syscall_print("Mouse Server: can not get common parameters\n");
return false;
}
commonParams = (CommonParameters*)MemoryMap::map(msg.arg2);
/* mouse information destination list */
this->destList = new HList<uint32_t>();
if (this->destList == NULL)
{
syscall_print("Mouse Server: destList error\n");
return false;
}
/* screen size */
this->w = screen.getWidth();
this->h = screen.getHeight();
/* cursor to center */
commonParams->mouse.x = this->posX = this->prevX = this->w / 2;
commonParams->mouse.y = this->posY = this->prevY = this->h / 2;
commonParams->mouse.buttons = this->button = this->prevButton = 0;
/* server start ok */
if (!SendServerOK()) return false;
cursor.Paint(this->posX, this->posY);
return true;
}
void MessageLoop()
{
for (MessageInfo receive;;)
{
if (Message::receive(&receive)) continue;
switch(receive.header)
{
case MSG_ADD:
/* arg1 = tid */
this->destList->add(receive.arg1);
Message::reply(&receive);
break;
case MSG_REMOVE:
/* arg1 = tid */
this->destList->remove(receive.arg1);
Message::reply(&receive);
break;
case MSG_MOUSE_ENABLE_CURSOR:
if (this->disableCount > 0)
{
this->disableCount--;
if (this->disableCount == 0) cursor.Paint(this->prevX, this->prevY);
}
Message::reply(&receive);
break;
case MSG_MOUSE_DISABLE_CURSOR:
if (this->disableCount == 0) cursor.Erase();
this->disableCount++;
Message::reply(&receive);
break;
case MSG_MOUSE_GET_CURSOR_POSITION:
Message::reply(&receive, this->prevX, this->prevY);
break;
case MSG_MOUSE_SET_CURSOR_POSITION:
this->posX = receive.arg1;
this->posY = receive.arg2;
Paint();
Message::reply(&receive);
SendMouseInformation();
break;
case MSG_INTERRUPTED:
/* we get not all data */
if (GetMouseData() != 2) break;
/* state not changed. */
if (!SetCurosor()) break;
Paint();
SendMouseInformation();
break;
default:
/* ignore */
// _printf("mouse:header=%x", receive.header);
break;
}
}
}
