void TouchInputHandler::handleTouchEvent(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
if (hasTouch()) {
UINT inputCount = LOWORD(wParam);
HTOUCHINPUT touchInputData = (HTOUCHINPUT)lParam;
TOUCHINPUT *inputs = new TOUCHINPUT[inputCount];
if (touchInfo(touchInputData, inputCount, inputs, sizeof(TOUCHINPUT))) {
for (UINT i = 0; i < inputCount; i++) {
float x, y;
if (!GetTouchPoint(hWnd, inputs[i], x, y))
continue;
if (inputs[i].dwFlags & TOUCHEVENTF_DOWN) {
touchDown(ToTouchID(inputs[i].dwID), x, y);
}
if (inputs[i].dwFlags & TOUCHEVENTF_MOVE) {
touchMove(ToTouchID(inputs[i].dwID), x, y);
}
if (inputs[i].dwFlags & TOUCHEVENTF_UP) {
int id = ToTouchID(inputs[i].dwID, false);
if (id >= 0) {
touchUp(id, x, y);
touchIds[id] = 0;
}
}
}
closeTouch(touchInputData);
} else {
WARN_LOG(SYSTEM, "Failed to read input data: %s", GetLastErrorMsg());
}
delete [] inputs;
}
}
void TouchInputHandler::registerTouchWindow(HWND wnd)
{
if (hasTouch())
{
registerTouch(wnd, TWF_WANTPALM);
disablePressAndHold(wnd);
}
}
void TouchInputHandler::handleTouchEvent(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
if (hasTouch()){
UINT inputCount = LOWORD(wParam);
TOUCHINPUT *inputs = new TOUCHINPUT[inputCount];
if (touchInfo((HTOUCHINPUT) lParam,
inputCount,
inputs,
sizeof(TOUCHINPUT)))
{
for (UINT i = 0; i < inputCount; i++) {
int id = 0;
//here we map the windows touch id to the ppsspp internal touch id
//currently we ignore the fact that the mouse uses touch id 0, so that
//the mouse could possibly interfere with the mapping so for safety
//the maximum amount of touch points is MAX_POINTERS-1
std::map<int, int>::const_iterator it = touchTranslate.find(inputs[i].dwID);
if (it != touchTranslate.end()) //check if we already mapped this touch id
{
id = it->second;
}
else
{
if (touchTranslate.size() + 1 >= MAX_POINTERS) //check if we're tracking too many points
{
touchUp(touchTranslate.begin()->second, 0, 0);
touchTranslate.erase(touchTranslate.begin());
}
//finding first free internal touch id and map this windows id to an internal id
bool *first_free = std::find(input_state.pointer_down, input_state.pointer_down + MAX_POINTERS, false);
id = (int)(first_free - input_state.pointer_down) / (int)sizeof(bool);
touchTranslate[inputs[i].dwID] = id;
}
POINT point;
point.x = TOUCH_COORD_TO_PIXEL(inputs[i].x);
point.y = TOUCH_COORD_TO_PIXEL(inputs[i].y);
if (ScreenToClient(hWnd, &point)){
if (inputs[i].dwFlags & TOUCHEVENTF_DOWN)
{
touchDown(id, point.x, point.y);
}
if (inputs[i].dwFlags & TOUCHEVENTF_MOVE)
{
touchMove(id, point.x, point.y);
}
if (inputs[i].dwFlags & TOUCHEVENTF_UP)
{
touchUp(id, point.x, point.y);
touchTranslate.erase(touchTranslate.find(inputs[i].dwID));
}
}
}
closeTouch((HTOUCHINPUT) lParam);
}
else
{
// GetLastError() and error handling.
}
delete [] inputs;
}
}
void TouchInputHandler::registerTouchWindow(HWND wnd)
{
if (hasTouch())
registerTouch(wnd, TWF_WANTPALM);
}
