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Fix duplicated pointer axis events

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In pointer.c, some axis event was emitted even if the event pointer did not have
current axis.

In X11 backend pointer scroll events seem to be composed of both BUTTON_PRESS
and BUTTON_RELEASE. Therefore we should skip one of them (RELEASE) to avoid
event duplication.
This commit is contained in:
D.B 2017-10-13 22:50:59 +02:00
parent 1df9b0bc13
commit 7cdc19d57f
2 changed files with 12 additions and 4 deletions
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2
backend/libinput/pointer.c
View file

@ -128,7 +128,7 @@ void handle_pointer_axis(struct libinput_event *event,
} }
wlr_event.delta = libinput_event_pointer_get_axis_value( wlr_event.delta = libinput_event_pointer_get_axis_value(
pevent, axies[i]); pevent, axies[i]);
}
wl_signal_emit(&wlr_dev->pointer->events.axis, &wlr_event); wl_signal_emit(&wlr_dev->pointer->events.axis, &wlr_event);
} }
} }
}

14
backend/x11/backend.c
View file

@ -63,8 +63,7 @@ static bool handle_x11_event(struct wlr_x11_backend *x11, xcb_generic_event_t *e
x11->time = ev->time; x11->time = ev->time;
break; break;
} }
case XCB_BUTTON_PRESS: case XCB_BUTTON_PRESS: {
case XCB_BUTTON_RELEASE: {
xcb_button_press_event_t *ev = (xcb_button_press_event_t *)event; xcb_button_press_event_t *ev = (xcb_button_press_event_t *)event;
if (ev->detail == XCB_BUTTON_INDEX_4 || if (ev->detail == XCB_BUTTON_INDEX_4 ||
@ -79,7 +78,16 @@ static bool handle_x11_event(struct wlr_x11_backend *x11, xcb_generic_event_t *e
.delta = delta, .delta = delta,
}; };
wl_signal_emit(&x11->pointer.events.axis, &axis); wl_signal_emit(&x11->pointer.events.axis, &axis);
} else { x11->time = ev->time;
break;
}
}
/* fallthrough */
case XCB_BUTTON_RELEASE: {
xcb_button_press_event_t *ev = (xcb_button_press_event_t *)event;
if (ev->detail != XCB_BUTTON_INDEX_4 &&
ev->detail != XCB_BUTTON_INDEX_5) {
struct wlr_event_pointer_button button = { struct wlr_event_pointer_button button = {
.device = &x11->pointer_dev, .device = &x11->pointer_dev,
.time_sec = ev->time / 1000, .time_sec = ev->time / 1000,