diff --git a/main/input_default.cpp b/main/input_default.cpp index 913c143025a..33c422190d1 100644 --- a/main/input_default.cpp +++ b/main/input_default.cpp @@ -261,6 +261,13 @@ void InputDefault::parse_input_event(const Ref &p_event) { void InputDefault::_parse_input_event_impl(const Ref &p_event, bool p_is_emulated) { + // Notes on mouse-touch emulation: + // - Emulated mouse events are parsed, that is, re-routed to this method, so they make the same effects + // as true mouse events. The only difference is the situation is flagged as emulated so they are not + // emulated back to touch events in an endless loop. + // - Emulated touch events are handed right to the main loop (i.e., the SceneTree) because they don't + // require additional handling by this class. + _THREAD_SAFE_METHOD_ Ref k = p_event; @@ -316,11 +323,21 @@ void InputDefault::_parse_input_event_impl(const Ref &p_event, bool } } - if (emulate_mouse_from_touch) { + Ref st = p_event; - Ref st = p_event; + if (st.is_valid()) { + + if (st->is_pressed()) { + SpeedTrack &track = touch_speed_track[st->get_index()]; + track.reset(); + } else { + // Since a pointer index may not occur again (OSs may or may not reuse them), + // imperatively remove it from the map to keep no fossil entries in it + touch_speed_track.erase(st->get_index()); + } + + if (emulate_mouse_from_touch) { - if (st.is_valid()) { bool translate = false; if (st->is_pressed()) { if (mouse_from_touch_index == -1) { @@ -351,10 +368,18 @@ void InputDefault::_parse_input_event_impl(const Ref &p_event, bool _parse_input_event_impl(button_event, true); } } + } - Ref sd = p_event; + Ref sd = p_event; + + if (sd.is_valid()) { + + SpeedTrack &track = touch_speed_track[sd->get_index()]; + track.update(sd->get_relative()); + sd->set_speed(track.speed); + + if (emulate_mouse_from_touch && sd->get_index() == mouse_from_touch_index) { - if (sd.is_valid() && sd->get_index() == mouse_from_touch_index) { Ref motion_event; motion_event.instance(); diff --git a/main/input_default.h b/main/input_default.h index b420ec124b4..4964b9a83c2 100644 --- a/main/input_default.h +++ b/main/input_default.h @@ -117,6 +117,7 @@ class InputDefault : public Input { }; SpeedTrack mouse_speed_track; + Map touch_speed_track; Map joy_names; int fallback_mapping;