LRESULT Display::ReceivedMessage(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
// Get the window.
Window *myWindow = GetWindow(hwnd);
// If not polling, send to the default window proc.
if(!currentEvent || !myWindow)
return DefWindowProc(hwnd, msg, wParam, lParam);
// Read the common data.
Event *ev = currentEvent;
bool &done = processedMessage;
ev->window = myWindow;
ev->type = Event::EVT_Unknown;
// Handle the messages according to their type.
switch(msg)
{
// Window destruction.
case WM_DESTROY:
{
Window *window = CurrentDisplay->GetWindow(hwnd);
if(window)
delete window;
else
return DefWindowProc(hwnd, msg, wParam, lParam);
}
break;
case WM_CLOSE:
ev->type = Event::EVT_Close;
done = true;
break;
case WM_ERASEBKGND:
// Always return 1 for erase background, we want to manage
// everything in the paint event
return 1;
break;
case WM_PAINT:
{
// Get the update rect.
RECT rect;
GetUpdateRect(hwnd, &rect, false);
// Set the event parameters.
ev->type = Event::EVT_Expose;
ev->expose.x = rect.left;
ev->expose.y = rect.top;
ev->expose.width = rect.right - rect.left;
ev->expose.height = rect.bottom - rect.top;
ev->expose.count = 0;
done = true;
}
break;
case WM_SIZE:
ev->type = Event::EVT_Size;
myWindow->UpdateSize(LOWORD(lParam), HIWORD(lParam));
done = true;
break;
case WM_MOVE:
myWindow->UpdatePosition(LOWORD(lParam), HIWORD(lParam));
break;
case WM_SETFOCUS:
ev->type = Event::EVT_GotFocus;
done = true;
break;
case WM_KILLFOCUS:
ev->type = Event::EVT_LostFocus;
done = true;
break;
case WM_MOUSEMOVE:
{
if(!myWindow->IsMouseOver())
{
ev->type = Event::EVT_MouseEnter;
myWindow->SetMouseOver(true);
// Request mouse leave tracking.
TRACKMOUSEEVENT tracking;
memset(&tracking, 0, sizeof(tracking));
tracking.cbSize = sizeof(tracking);
tracking.dwFlags = TME_LEAVE;
tracking.hwndTrack = hwnd;
tracking.dwHoverTime = HOVER_DEFAULT;
TrackMouseEvent(&tracking);
}
else
{
ev->type = Event::EVT_MouseMotion;
ev->motion.x = GET_X_LPARAM(lParam);
ev->motion.y = GET_Y_LPARAM(lParam);
ev->motion.modifiers = ReadModifiers(wParam);
}
done = true;
}
break;
case WM_MOUSELEAVE:
ev->type = Event::EVT_MouseLeave;
myWindow->SetMouseOver(false);
done = true;
break;
case WM_LBUTTONDOWN:
case WM_RBUTTONDOWN:
case WM_MBUTTONDOWN:
case WM_XBUTTONDOWN:
ev->type = Event::EVT_ButtonPressed;
ev->button.x = GET_X_LPARAM(lParam);
ev->button.y = GET_Y_LPARAM(lParam);
ev->button.modifiers = ReadModifiers(wParam);
ev->button.button = ReadMouseButton(msg, wParam);
done = true;
return TRUE;
case WM_LBUTTONUP:
case WM_RBUTTONUP:
case WM_MBUTTONUP:
case WM_XBUTTONUP:
ev->type = Event::EVT_ButtonReleased;
ev->button.x = GET_X_LPARAM(lParam);
ev->button.y = GET_Y_LPARAM(lParam);
ev->button.modifiers = ReadModifiers(wParam);
ev->button.button = ReadMouseButton(msg, wParam);
done = true;
break;
// Some messages are required to be handled by the default window processor.
default:
return DefWindowProc(hwnd, msg, wParam, lParam);
}
return 0;
}
void ReadLeaders() {
ReadFlags();
ReadWidth();
if (*format_ == '.') ReadPrecision();
ReadModifiers();
}
