macos: fix duplicated key release event

input-capture/src/macos.rs

@@ -40,7 +40,6 @@ struct InputCaptureState {
     active_clients: Lazy<HashSet<Position>>,
     current_pos: Option<Position>,
     bounds: Bounds,
-    modifier_state: XMods,
 }
 
 #[derive(Debug)]
@@ -58,7 +57,6 @@ impl InputCaptureState {
             active_clients: Lazy::new(HashSet::new),
             current_pos: None,
             bounds: Bounds::default(),
-            modifier_state: Default::default(),
         };
         res.update_bounds()?;
         Ok(res)
@@ -182,7 +180,6 @@ fn get_events(
     ev_type: &CGEventType,
     ev: &CGEvent,
     result: &mut Vec<CaptureEvent>,
-    modifier_state: &mut XMods,
 ) -> Result<(), CaptureError> {
     fn map_pointer_event(ev: &CGEvent) -> PointerEvent {
         PointerEvent::Motion {
@@ -218,42 +215,29 @@ fn get_events(
             })));
         }
         CGEventType::FlagsChanged => {
-            let mut depressed = XMods::empty();
+            let mut mods = XMods::empty();
             let mut mods_locked = XMods::empty();
             let cg_flags = ev.get_flags();
 
             if cg_flags.contains(CGEventFlags::CGEventFlagShift) {
-                depressed |= XMods::ShiftMask;
+                mods |= XMods::ShiftMask;
             }
             if cg_flags.contains(CGEventFlags::CGEventFlagControl) {
-                depressed |= XMods::ControlMask;
+                mods |= XMods::ControlMask;
             }
             if cg_flags.contains(CGEventFlags::CGEventFlagAlternate) {
-                depressed |= XMods::Mod1Mask;
+                mods |= XMods::Mod1Mask;
             }
             if cg_flags.contains(CGEventFlags::CGEventFlagCommand) {
-                depressed |= XMods::Mod4Mask;
+                mods |= XMods::Mod4Mask;
             }
             if cg_flags.contains(CGEventFlags::CGEventFlagAlphaShift) {
-                depressed |= XMods::LockMask;
+                mods |= XMods::LockMask;
                 mods_locked |= XMods::LockMask;
             }
 
-            // check if pressed or released
-            let state = if depressed > *modifier_state { 1 } else { 0 };
-            *modifier_state = depressed;
-
-            if let Ok(key) = map_key(ev) {
-                let key_event = CaptureEvent::Input(Event::Keyboard(KeyboardEvent::Key {
-                    time: 0,
-                    key,
-                    state,
-                }));
-                result.push(key_event);
-            }
-
             let modifier_event = KeyboardEvent::Modifiers {
-                depressed: depressed.bits(),
+                depressed: mods.bits(),
                 latched: 0,
                 locked: mods_locked.bits(),
                 group: 0,
@@ -382,13 +366,7 @@ fn create_event_tap<'a>(
             // Are we in a client?
             if let Some(current_pos) = state.current_pos {
                 pos = Some(current_pos);
-                get_events(
+                get_events(&event_type, cg_ev, &mut res_events).unwrap_or_else(|e| {
-                    &event_type,
-                    cg_ev,
-                    &mut res_events,
-                    &mut state.modifier_state,
-                )
-                .unwrap_or_else(|e| {
                     log::error!("Failed to get events: {e}");
                 });
 

input-emulation/src/macos.rs

@@ -88,7 +88,7 @@ impl MacOSEmulation {
             button_state,
             previous_button: None,
             previous_button_click: None,
-            button_click_state: 0,
+            button_click_state: 1,
             repeat_task: None,
             notify_repeat_task: Arc::new(Notify::new()),
             modifier_state: Rc::new(Cell::new(XMods::empty())),
@@ -244,165 +244,158 @@ impl Emulation for MacOSEmulation {
     ) -> Result<(), EmulationError> {
         log::trace!("{event:?}");
         match event {
-            Event::Pointer(pointer_event) => {
+            Event::Pointer(pointer_event) => match pointer_event {
-                match pointer_event {
+                PointerEvent::Motion { time: _, dx, dy } => {
-                    PointerEvent::Motion { time: _, dx, dy } => {
+                    let mut mouse_location = match self.get_mouse_location() {
-                        let mut mouse_location = match self.get_mouse_location() {
+                        Some(l) => l,
-                            Some(l) => l,
+                        None => {
-                            None => {
+                            log::warn!("could not get mouse location!");
-                                log::warn!("could not get mouse location!");
+                            return Ok(());
-                                return Ok(());
-                            }
-                        };
-
-                        let (new_mouse_x, new_mouse_y) =
-                            clamp_to_screen_space(mouse_location.x, mouse_location.y, dx, dy);
-
-                        mouse_location.x = new_mouse_x;
-                        mouse_location.y = new_mouse_y;
-
-                        let mut event_type = CGEventType::MouseMoved;
-                        if self.button_state.left {
-                            event_type = CGEventType::LeftMouseDragged
-                        } else if self.button_state.right {
-                            event_type = CGEventType::RightMouseDragged
-                        } else if self.button_state.center {
-                            event_type = CGEventType::OtherMouseDragged
-                        };
-                        let event = match CGEvent::new_mouse_event(
-                            self.event_source.clone(),
-                            event_type,
-                            mouse_location,
-                            CGMouseButton::Left,
-                        ) {
-                            Ok(e) => e,
-                            Err(_) => {
-                                log::warn!("mouse event creation failed!");
-                                return Ok(());
-                            }
-                        };
-                        event.set_integer_value_field(EventField::MOUSE_EVENT_DELTA_X, dx as i64);
-                        event.set_integer_value_field(EventField::MOUSE_EVENT_DELTA_Y, dy as i64);
-                        event.post(CGEventTapLocation::HID);
-                    }
-                    PointerEvent::Button {
-                        time: _,
-                        button,
-                        state,
-                    } => {
-                        let (event_type, mouse_button) = match (button, state) {
-                            (BTN_LEFT, 1) => (CGEventType::LeftMouseDown, CGMouseButton::Left),
-                            (BTN_LEFT, 0) => (CGEventType::LeftMouseUp, CGMouseButton::Left),
-                            (BTN_RIGHT, 1) => (CGEventType::RightMouseDown, CGMouseButton::Right),
-                            (BTN_RIGHT, 0) => (CGEventType::RightMouseUp, CGMouseButton::Right),
-                            (BTN_MIDDLE, 1) => (CGEventType::OtherMouseDown, CGMouseButton::Center),
-                            (BTN_MIDDLE, 0) => (CGEventType::OtherMouseUp, CGMouseButton::Center),
-                            _ => {
-                                log::warn!("invalid button event: {button},{state}");
-                                return Ok(());
-                            }
-                        };
-                        // store button state
-                        self.button_state[mouse_button] = state == 1;
-
-                        // update previous button state
-                        if state == 1 {
-                            if self.previous_button.is_some_and(|b| b.eq(&mouse_button))
-                                && self
-                                    .previous_button_click
-                                    .is_some_and(|i| i.elapsed() < DOUBLE_CLICK_INTERVAL)
-                            {
-                                self.button_click_state += 1;
-                            } else {
-                                self.button_click_state = 1;
-                            }
-                            self.previous_button = Some(mouse_button);
-                            self.previous_button_click = Some(Instant::now());
                         }
+                    };
 
-                        log::debug!("click_state: {}", self.button_click_state);
+                    let (new_mouse_x, new_mouse_y) =
-                        let location = self.get_mouse_location().unwrap();
+                        clamp_to_screen_space(mouse_location.x, mouse_location.y, dx, dy);
-                        let event = match CGEvent::new_mouse_event(
-                            self.event_source.clone(),
-                            event_type,
-                            location,
-                            mouse_button,
-                        ) {
-                            Ok(e) => e,
-                            Err(()) => {
-                                log::warn!("mouse event creation failed!");
-                                return Ok(());
-                            }
-                        };
-                        event.set_integer_value_field(
-                            EventField::MOUSE_EVENT_CLICK_STATE,
-                            self.button_click_state,
-                        );
-                        event.post(CGEventTapLocation::HID);
-                    }
-                    PointerEvent::Axis {
-                        time: _,
-                        axis,
-                        value,
-                    } => {
-                        let value = value as i32;
-                        let (count, wheel1, wheel2, wheel3) = match axis {
-                            0 => (1, value, 0, 0), // 0 = vertical => 1 scroll wheel device (y axis)
-                            1 => (2, 0, value, 0), // 1 = horizontal => 2 scroll wheel devices (y, x) -> (0, x)
-                            _ => {
-                                log::warn!("invalid scroll event: {axis}, {value}");
-                                return Ok(());
-                            }
-                        };
-                        let event = match CGEvent::new_scroll_event(
-                            self.event_source.clone(),
-                            ScrollEventUnit::PIXEL,
-                            count,
-                            wheel1,
-                            wheel2,
-                            wheel3,
-                        ) {
-                            Ok(e) => e,
-                            Err(()) => {
-                                log::warn!("scroll event creation failed!");
-                                return Ok(());
-                            }
-                        };
-                        event.post(CGEventTapLocation::HID);
-                    }
-                    PointerEvent::AxisDiscrete120 { axis, value } => {
-                        const LINES_PER_STEP: i32 = 3;
-                        let (count, wheel1, wheel2, wheel3) = match axis {
-                            0 => (1, value / (120 / LINES_PER_STEP), 0, 0), // 0 = vertical => 1 scroll wheel device (y axis)
-                            1 => (2, 0, value / (120 / LINES_PER_STEP), 0), // 1 = horizontal => 2 scroll wheel devices (y, x) -> (0, x)
-                            _ => {
-                                log::warn!("invalid scroll event: {axis}, {value}");
-                                return Ok(());
-                            }
-                        };
-                        let event = match CGEvent::new_scroll_event(
-                            self.event_source.clone(),
-                            ScrollEventUnit::LINE,
-                            count,
-                            wheel1,
-                            wheel2,
-                            wheel3,
-                        ) {
-                            Ok(e) => e,
-                            Err(()) => {
-                                log::warn!("scroll event creation failed!");
-                                return Ok(());
-                            }
-                        };
-                        event.post(CGEventTapLocation::HID);
-                    }
-                }
 
-                // reset button click state in case it's not a button event
+                    mouse_location.x = new_mouse_x;
-                if !matches!(pointer_event, PointerEvent::Button { .. }) {
+                    mouse_location.y = new_mouse_y;
-                    self.button_click_state = 0;
+
+                    let mut event_type = CGEventType::MouseMoved;
+                    if self.button_state.left {
+                        event_type = CGEventType::LeftMouseDragged
+                    } else if self.button_state.right {
+                        event_type = CGEventType::RightMouseDragged
+                    } else if self.button_state.center {
+                        event_type = CGEventType::OtherMouseDragged
+                    };
+                    let event = match CGEvent::new_mouse_event(
+                        self.event_source.clone(),
+                        event_type,
+                        mouse_location,
+                        CGMouseButton::Left,
+                    ) {
+                        Ok(e) => e,
+                        Err(_) => {
+                            log::warn!("mouse event creation failed!");
+                            return Ok(());
+                        }
+                    };
+                    event.set_integer_value_field(EventField::MOUSE_EVENT_DELTA_X, dx as i64);
+                    event.set_integer_value_field(EventField::MOUSE_EVENT_DELTA_Y, dy as i64);
+                    event.post(CGEventTapLocation::HID);
                 }
-            }
+                PointerEvent::Button {
+                    time: _,
+                    button,
+                    state,
+                } => {
+                    let (event_type, mouse_button) = match (button, state) {
+                        (BTN_LEFT, 1) => (CGEventType::LeftMouseDown, CGMouseButton::Left),
+                        (BTN_LEFT, 0) => (CGEventType::LeftMouseUp, CGMouseButton::Left),
+                        (BTN_RIGHT, 1) => (CGEventType::RightMouseDown, CGMouseButton::Right),
+                        (BTN_RIGHT, 0) => (CGEventType::RightMouseUp, CGMouseButton::Right),
+                        (BTN_MIDDLE, 1) => (CGEventType::OtherMouseDown, CGMouseButton::Center),
+                        (BTN_MIDDLE, 0) => (CGEventType::OtherMouseUp, CGMouseButton::Center),
+                        _ => {
+                            log::warn!("invalid button event: {button},{state}");
+                            return Ok(());
+                        }
+                    };
+                    // store button state
+                    self.button_state[mouse_button] = state == 1;
+
+                    // update previous button state
+                    if state == 1 {
+                        if self.previous_button.is_some_and(|b| b.eq(&mouse_button))
+                            && self
+                                .previous_button_click
+                                .is_some_and(|i| i.elapsed() < DOUBLE_CLICK_INTERVAL)
+                        {
+                            self.button_click_state += 1;
+                        } else {
+                            self.button_click_state = 1;
+                        }
+                        self.previous_button = Some(mouse_button);
+                        self.previous_button_click = Some(Instant::now());
+                    }
+
+                    log::debug!("click_state: {}", self.button_click_state);
+                    let location = self.get_mouse_location().unwrap();
+                    let event = match CGEvent::new_mouse_event(
+                        self.event_source.clone(),
+                        event_type,
+                        location,
+                        mouse_button,
+                    ) {
+                        Ok(e) => e,
+                        Err(()) => {
+                            log::warn!("mouse event creation failed!");
+                            return Ok(());
+                        }
+                    };
+                    event.set_integer_value_field(
+                        EventField::MOUSE_EVENT_CLICK_STATE,
+                        self.button_click_state,
+                    );
+                    event.post(CGEventTapLocation::HID);
+                }
+                PointerEvent::Axis {
+                    time: _,
+                    axis,
+                    value,
+                } => {
+                    let value = value as i32;
+                    let (count, wheel1, wheel2, wheel3) = match axis {
+                        0 => (1, value, 0, 0), // 0 = vertical => 1 scroll wheel device (y axis)
+                        1 => (2, 0, value, 0), // 1 = horizontal => 2 scroll wheel devices (y, x) -> (0, x)
+                        _ => {
+                            log::warn!("invalid scroll event: {axis}, {value}");
+                            return Ok(());
+                        }
+                    };
+                    let event = match CGEvent::new_scroll_event(
+                        self.event_source.clone(),
+                        ScrollEventUnit::PIXEL,
+                        count,
+                        wheel1,
+                        wheel2,
+                        wheel3,
+                    ) {
+                        Ok(e) => e,
+                        Err(()) => {
+                            log::warn!("scroll event creation failed!");
+                            return Ok(());
+                        }
+                    };
+                    event.post(CGEventTapLocation::HID);
+                }
+                PointerEvent::AxisDiscrete120 { axis, value } => {
+                    const LINES_PER_STEP: i32 = 3;
+                    let (count, wheel1, wheel2, wheel3) = match axis {
+                        0 => (1, value / (120 / LINES_PER_STEP), 0, 0), // 0 = vertical => 1 scroll wheel device (y axis)
+                        1 => (2, 0, value / (120 / LINES_PER_STEP), 0), // 1 = horizontal => 2 scroll wheel devices (y, x) -> (0, x)
+                        _ => {
+                            log::warn!("invalid scroll event: {axis}, {value}");
+                            return Ok(());
+                        }
+                    };
+                    let event = match CGEvent::new_scroll_event(
+                        self.event_source.clone(),
+                        ScrollEventUnit::LINE,
+                        count,
+                        wheel1,
+                        wheel2,
+                        wheel3,
+                    ) {
+                        Ok(e) => e,
+                        Err(()) => {
+                            log::warn!("scroll event creation failed!");
+                            return Ok(());
+                        }
+                    };
+                    event.post(CGEventTapLocation::HID);
+                }
+            },
             Event::Keyboard(keyboard_event) => match keyboard_event {
                 KeyboardEvent::Key {
                     time: _,