void mi::Validator::handle_touch_event(MirInputDeviceId id, MirTouchEvent const* ev)
{
std::lock_guard<std::mutex> lg(state_guard);
auto it = last_event_by_device.find(id);
MirTouchEvent const* last_ev = nullptr;
auto default_ev = mev::make_event(id,
std::chrono::high_resolution_clock::now().time_since_epoch(),
0, /* No need for a mac, since there's no pointer count for a default event */
mir_input_event_modifier_none);
if (it == last_event_by_device.end())
{
last_event_by_device.insert(std::make_pair(id, copy_event(ev)));
last_ev = reinterpret_cast<MirTouchEvent const*>(default_ev.get());
}
else
{
last_ev = mir_input_event_get_touch_event(mir_event_get_input_event(it->second.get()));
}
ensure_stream_validity_locked(lg, ev, last_ev);
// Seems to be no better way to replace a non default constructible value type in an unordered_map
// C++17 will give us insert_or_assign
last_event_by_device.erase(id);
last_event_by_device.insert(std::make_pair(id, copy_event(ev)));
dispatch_valid_event(*reinterpret_cast<MirEvent const*>(ev));
}
bool me::WindowManager::handle(MirEvent const& event)
{
assert(focus_controller);
assert(display);
assert(compositor);
if (mir_event_get_type(&event) != mir_event_type_input)
return false;
auto iev = mir_event_get_input_event(&event);
auto input_type = mir_input_event_get_type(iev);
if (input_type == mir_input_event_type_key)
{
return handle_key_event(mir_input_event_get_keyboard_event(iev));
}
else if (input_type == mir_input_event_type_pointer &&
focus_controller)
{
return handle_pointer_event(mir_input_event_get_pointer_event(iev));
}
else if (input_type == mir_input_event_type_touch &&
focus_controller)
{
return handle_touch_event(mir_input_event_get_touch_event(iev));
}
return false;
}
void QMirClientInput::dispatchTouchEvent(QMirClientWindow *window, const MirInputEvent *ev)
{
const MirTouchEvent *tev = mir_input_event_get_touch_event(ev);
// FIXME(loicm) Max pressure is device specific. That one is for the Samsung Galaxy Nexus. That
// needs to be fixed as soon as the compat input lib adds query support.
const float kMaxPressure = 1.28;
const QRect kWindowGeometry = window->geometry();
QList<QWindowSystemInterface::TouchPoint> touchPoints;
// TODO: Is it worth setting the Qt::TouchPointStationary ones? Currently they are left
// as Qt::TouchPointMoved
const unsigned int kPointerCount = mir_touch_event_point_count(tev);
touchPoints.reserve(int(kPointerCount));
for (unsigned int i = 0; i < kPointerCount; ++i) {
QWindowSystemInterface::TouchPoint touchPoint;
const float kX = mir_touch_event_axis_value(tev, i, mir_touch_axis_x) + kWindowGeometry.x();
const float kY = mir_touch_event_axis_value(tev, i, mir_touch_axis_y) + kWindowGeometry.y(); // see bug lp:1346633 workaround comments elsewhere
const float kW = mir_touch_event_axis_value(tev, i, mir_touch_axis_touch_major);
const float kH = mir_touch_event_axis_value(tev, i, mir_touch_axis_touch_minor);
const float kP = mir_touch_event_axis_value(tev, i, mir_touch_axis_pressure);
touchPoint.id = mir_touch_event_id(tev, i);
touchPoint.normalPosition = QPointF(kX / kWindowGeometry.width(), kY / kWindowGeometry.height());
touchPoint.area = QRectF(kX - (kW / 2.0), kY - (kH / 2.0), kW, kH);
touchPoint.pressure = kP / kMaxPressure;
MirTouchAction touch_action = mir_touch_event_action(tev, i);
switch (touch_action)
{
case mir_touch_action_down:
mLastInputWindow = window;
touchPoint.state = Qt::TouchPointPressed;
break;
case mir_touch_action_up:
touchPoint.state = Qt::TouchPointReleased;
break;
case mir_touch_action_change:
touchPoint.state = Qt::TouchPointMoved;
break;
default:
Q_UNREACHABLE();
}
touchPoints.append(touchPoint);
}
ulong timestamp = mir_input_event_get_event_time(ev) / 1000000;
QWindowSystemInterface::handleTouchEvent(window->window(), timestamp,
mTouchDevice, touchPoints);
}
// The following three requirements can be removed as soon as we remove android::InputDispatcher, which is the
// only remaining part that relies on the difference between mir_motion_action_pointer_{up,down} and
// mir_motion_action_{up,down} and the difference between mir_motion_action_move and mir_motion_action_hover_move.
TEST_F(InputEventBuilder, maps_single_touch_down_to_motion_down)
{
MirTouchAction action = mir_touch_action_down;
auto ev = mev::make_event(device_id, timestamp, mac, modifiers);
mev::add_touch(*ev, 0, action, mir_touch_tooltype_finger, 0, 0, 0, 0, 0, 0);
auto e = ev.get();
EXPECT_EQ(mir_event_type_input, mir_event_get_type(e));
auto ie = mir_event_get_input_event(e);
EXPECT_EQ(mir_input_event_type_touch, mir_input_event_get_type(ie));
auto tev = mir_input_event_get_touch_event(ie);
EXPECT_EQ(action, mir_touch_event_action(tev, 0));
}
// Currently we only validate touch events as they are the most problematic
void mi::Validator::validate_and_dispatch(MirEvent const& event)
{
if (mir_event_get_type(&event) != mir_event_type_input)
{
dispatch_valid_event(event);
return;
}
auto iev = mir_event_get_input_event(&event);
if (mir_input_event_get_type(iev) != mir_input_event_type_touch)
{
dispatch_valid_event(event);
return;
}
auto tev = mir_input_event_get_touch_event(iev);
handle_touch_event(mir_input_event_get_device_id(iev), tev);
return;
}
TEST_F(InputEventBuilder, makes_valid_touch_event)
{
unsigned touch_count = 3;
MirTouchId touch_ids[] = {7, 9, 4};
MirTouchAction actions[] = { mir_touch_action_up, mir_touch_action_change, mir_touch_action_change};
MirTouchTooltype tooltypes[] = {mir_touch_tooltype_unknown, mir_touch_tooltype_finger, mir_touch_tooltype_stylus};
float x_axis_values[] = { 7, 14.3, 19.6 };
float y_axis_values[] = { 3, 9, 11 };
float pressure_values[] = {3, 9, 14.6};
float touch_major_values[] = {11, 9, 14};
float touch_minor_values[] = {13, 3, 9.13};
float size_values[] = {4, 9, 6};
auto ev = mev::make_event(device_id, timestamp,
mac, modifiers);
for (unsigned i = 0; i < touch_count; i++)
{
mev::add_touch(*ev, touch_ids[i], actions[i], tooltypes[i], x_axis_values[i], y_axis_values[i],
pressure_values[i], touch_major_values[i], touch_minor_values[i], size_values[i]);
}
auto e = ev.get();
EXPECT_EQ(mir_event_type_input, mir_event_get_type(e));
auto ie = mir_event_get_input_event(e);
EXPECT_EQ(mir_input_event_type_touch, mir_input_event_get_type(ie));
auto tev = mir_input_event_get_touch_event(ie);
EXPECT_EQ(modifiers, mir_touch_event_modifiers(tev));
EXPECT_EQ(touch_count, mir_touch_event_point_count(tev));
EXPECT_EQ(mac, mir_touch_event_get_cookie(tev).mac);
EXPECT_EQ(timestamp.count(), mir_touch_event_get_cookie(tev).timestamp);
for (unsigned i = 0; i < touch_count; i++)
{
EXPECT_EQ(touch_ids[i], mir_touch_event_id(tev, i));
EXPECT_EQ(actions[i], mir_touch_event_action(tev, i));
EXPECT_EQ(tooltypes[i], mir_touch_event_tooltype(tev, i));
EXPECT_EQ(x_axis_values[i], mir_touch_event_axis_value(tev, i, mir_touch_axis_x));
EXPECT_EQ(y_axis_values[i], mir_touch_event_axis_value(tev, i, mir_touch_axis_y));
EXPECT_EQ(pressure_values[i], mir_touch_event_axis_value(tev, i, mir_touch_axis_pressure));
EXPECT_EQ(touch_major_values[i], mir_touch_event_axis_value(tev, i, mir_touch_axis_touch_major));
EXPECT_EQ(touch_minor_values[i], mir_touch_event_axis_value(tev, i, mir_touch_axis_touch_minor));
EXPECT_EQ(size_values[i], mir_touch_event_axis_value(tev, i, mir_touch_axis_size));
}
}
static void
gdk_mir_event_source_queue_event (GdkDisplay *display,
GdkWindow *window,
const MirEvent *event)
{
const MirInputEvent *input_event;
// FIXME: Only generate events if the window wanted them?
switch (mir_event_get_type (event))
{
case mir_event_type_input:
input_event = mir_event_get_input_event (event);
switch (mir_input_event_get_type (input_event))
{
case mir_input_event_type_key:
handle_key_event (window, input_event);
break;
case mir_input_event_type_touch:
handle_touch_event (window, mir_input_event_get_touch_event (input_event));
break;
case mir_input_event_type_pointer:
handle_motion_event (window, input_event);
break;
default:
break;
}
break;
case mir_event_type_key:
handle_key_event (window, mir_event_get_input_event (event));
break;
case mir_event_type_motion:
handle_motion_event (window, mir_event_get_input_event (event));
break;
case mir_event_type_window:
handle_window_event (window, mir_event_get_window_event (event));
break;
case mir_event_type_resize:
handle_resize_event (window, mir_event_get_resize_event (event));
break;
case mir_event_type_prompt_session_state_change:
break;
case mir_event_type_orientation:
break;
case mir_event_type_close_window:
handle_close_event (window);
break;
case mir_event_type_keymap:
break;
case mir_event_type_window_output:
handle_window_output_event (window, mir_event_get_window_output_event (event));
break;
case mir_event_type_input_device_state:
break;
case mir_event_type_window_placement:
handle_window_placement_event (window, mir_event_get_window_placement_event (event));
break;
default:
g_warning ("Ignoring unknown Mir event %d", mir_event_get_type (event));
break;
}
}
