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;
}
}
// Handler for touch-up message.
// in:
// hWnd window handle
// ti TOUCHINPUT structure (info about contact)
void OnTouchUpHandler(HWND hWnd, const TOUCHINPUT& ti)
{
// Extract contact info: contact ID
int iCursorId = GetTouchContactID(ti);
// Extract contact info: contact point
POINT pt = GetTouchPoint(hWnd, ti);
sendAreaSize(hWnd, iCursorId, pt);
WPARAM wParam = MAKEWPARAM(EX_TOUCH_EVENT_END, iCursorId);
LPARAM lParam = MAKELPARAM(pt.x & 0x0000ffff, pt.y & 0x0000ffff);
//int msgboxID = MessageBox(
// hWnd,
// (LPCWSTR)L"EX_TOUCH_EVENT_END",
// (LPCWSTR)L"TOUCH",
// MB_OK
// );
//PostMessage(hWnd, WM_APP + 5, wParam, lParam);
PostMessage(keyboardHandle, WM_APP + 5, wParam, lParam);
//remove last move
lastMoves.erase(ti.dwID);
//trace("up\n");
}
void OnTouchDownHandler(HWND hWnd, const TOUCHINPUT& ti)
{
// Extract contact info: point of contact and ID
int iCursorId = GetTouchContactID(ti);
POINT pt = GetTouchPoint(hWnd, ti);
sendAreaSize(hWnd, iCursorId, pt);
WPARAM wParam = MAKEWPARAM(EX_TOUCH_EVENT_START,iCursorId);
LPARAM lParam = MAKELPARAM(pt.x & 0x0000ffff, pt.y & 0x0000ffff);
//int msgboxID = MessageBox(
// hWnd,
// (LPCWSTR)L"EX_TOUCH_EVENT_START",
// (LPCWSTR)L"TOUCH",
// MB_OK
// );
//PostMessage(hWnd, WM_APP + 5, wParam, lParam);
// Posting to keyboardHandle sends the message to the WndProc of the application that has called InitializeTouch
// (as opposed to sending it to any sub-process owning hWnd (the window in which the touch occurred)).
PostMessage(keyboardHandle, WM_APP + 5, wParam, lParam);
/*
int globalX = pt.x;
int globalY = pt.y;
ScreenToClient(hWnd, &pt);
int localX = pt.x;
int localY = pt.y;
char buf[10240];
sprintf(buf, "down in window: %d; global = (%d, %d); local = (%d, %d)\n", hWnd, globalX, globalY, localX, localY);
trace(buf);
*/
}
uint16_t TFTSlider::processTouch(uint16_t x, uint16_t y) {
if (!((x >= _x) && (x <= (_x+_w)) && (y >= _y) && (y <= (_y+_h))))
return 0x0; // Special value that says Not within the object...
SetPressed(true);
draw(); // Show it as depressed.
// Now lets wait for the touch to release...
while (ts.touched()) {
GetTouchPoint(&x, &y);
if (_fVert) {
if ((y >= _y) && (y <= (_y+_h))) {
_wDispVal = y;
draw(); // try to redraw....
}
}
else {
if ((x >= _x) && (x <= (_x+_w))) {
_wDispVal = x;
draw(); // try to redraw....
}
}
}
while (!ts.bufferEmpty()) {
GetTouchPoint(&x, &y);
}
SetPressed(false);
// And see if we were still inside the button
if ((x >= _x) && (x < (_x+_w)) && (y >= _y) && (y < (_y+_h))) {
if (_fVert)
SetValue(mapDisplayValueToValue(y));
else
SetValue(mapDisplayValueToValue(x));
return 1;
}
// Otherwise make sure we are mapped back to the correct value...
mapValueToDisplayValue();
draw();
return 0xffff; // not on the button any more...
}
void OnTouchDownHandler(HWND hWnd, const TOUCHINPUT& ti)
{
// Create a new stroke, add a point, and assign a color to it.
CStroke strkNew;
POINT p = GetTouchPoint(hWnd, ti);
strkNew.AddPoint(p);
strkNew.SetColor(GetTouchColor((ti.dwFlags & TOUCHEVENTF_PRIMARY) != 0));
strkNew.SetId(ti.dwID);
// Add the new stroke to the collection of strokes being drawn.
g_StrkColDrawing.AddStroke(strkNew);
}
EXPLORER_BUTTON GetExplorerIndex(void)
{
if(!GetTouchPoint())return 0;
if(penPoint.y<20)return 0;
else if(penPoint.y>20&&penPoint.y<220)
{
if(penPoint.x<360)return (penPoint.x-20)/25+1;
else if(penPoint.y<60)return TURNUP;
else if(penPoint.y>180)return TURNDOWN;
}
else if(penPoint.x<40)return SELECT;
else if(penPoint.x>360)return BACK;
return 0;
}
// Handler for touch-move input.
// in:
// hWnd window handle
// ti TOUCHINPUT structure (info about contact)
void OnTouchMoveHandler(HWND hWnd, const TOUCHINPUT& ti)
{
// Find the stroke in the collection of the strokes being drawn.
int iStrk = g_StrkColDrawing.FindStrokeById(ti.dwID);
POINT p = GetTouchPoint(hWnd, ti);
// Add the contact point to the stroke.
g_StrkColDrawing[iStrk].AddPoint(p);
// Partial redraw: redraw only the last line segment.
HDC hDC = GetDC(hWnd);
g_StrkColDrawing[iStrk].DrawLast(hDC);
ReleaseDC(hWnd, hDC);
}
// Handler for touch-move message.
// in:
// hWnd window handle
// ti TOUCHINPUT structure (info about contact)
void OnTouchMoveHandler(HWND hWnd, const TOUCHINPUT& ti)
{
// Extract contact info: contact ID
int iCursorId = GetTouchContactID(ti);
// Extract contact info: contact point
POINT pt = GetTouchPoint(hWnd, ti);
//Don't send move message if current move is the same as last move
std::map<int, POINT>::iterator it = lastMoves.find(iCursorId);
if (it != lastMoves.end())
{
if ( (pt.x != (it->second).x) || (pt.y != (it->second).y) )
{
sendAreaSize(hWnd, iCursorId, pt);
WPARAM wParam = MAKEWPARAM(EX_TOUCH_EVENT_MOVE, iCursorId);
LPARAM lParam = MAKELPARAM(pt.x & 0x0000ffff, pt.y & 0x0000ffff);
//PostMessage(hWnd, WM_APP + 5, wParam, lParam);
PostMessage(keyboardHandle, WM_APP + 5, wParam, lParam);
lastMoves[iCursorId] = pt;
}
}
else
{
sendAreaSize(hWnd, iCursorId, pt);
WPARAM wParam = MAKEWPARAM(EX_TOUCH_EVENT_MOVE, iCursorId);
LPARAM lParam = MAKELPARAM(pt.x & 0x0000ffff, pt.y & 0x0000ffff);
//PostMessage(hWnd, WM_APP + 5, wParam, lParam);
PostMessage(keyboardHandle, WM_APP + 5, wParam, lParam);
lastMoves[iCursorId] = pt;
}
/*WPARAM wParam = MAKEWPARAM(EX_TOUCH_EVENT_MOVE, iCursorId);
LPARAM lParam = MAKELPARAM(pt.x, pt.y);
PostMessage(hWnd, WM_APP + 5, wParam, lParam);*/
//trace("move\n");
}
// Assumes that we got a button down event, we pass in the X, Y from this event and it will check to see if the coordinates
// are within the object and process it. If the up happens in the same object then we will return the object ID, else we will
//
uint16_t TFTButton::processTouch(uint16_t x, uint16_t y) {
if (!((x >= _x) && (x <= (_x+_w)) && (y >= _y) && (y <= (_y+_h))))
return 0xffff; // Special value that says Not within the object...
SetPressed(true);
draw(); // Show it as depressed.
// Now lets wait for the touch to release...
while (ts.touched()) {
GetTouchPoint(&x, &y);
}
SetPressed(false);
draw();
// And see if we were still inside the button
if ((x >= _x) && (x <= (_x+_w)) && (y >= _y) && (y <= (_y+_h)))
return _wVal;
return 0xfffe; // not on the button any more...
}