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pointer: add a frame event

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Frame events group logically connected pointer events. It makes sense to make
the backend responsible for sending frame events, since once the events are
split (ie. once the frame events are stripped) it's not easy to figure out
which events belongs to which frame again.

This is also how Weston handles frame events.

Fixes https://github.com/swaywm/wlroots/issues/1468
This commit is contained in:
emersion 2019-01-26 11:04:05 +01:00
parent 209210d307
commit 5de26ad8ed
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GPG key ID: 0FDE7BE0E88F5E48
14 changed files with 96 additions and 21 deletions
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16
backend/libinput/pointer.c
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@ -39,6 +39,7 @@ void handle_pointer_motion(struct libinput_event *event,
wlr_event.unaccel_dx = libinput_event_pointer_get_dx_unaccelerated(pevent);
wlr_event.unaccel_dy = libinput_event_pointer_get_dy_unaccelerated(pevent);
wlr_signal_emit_safe(&wlr_dev->pointer->events.motion, &wlr_event);
wlr_signal_emit_safe(&wlr_dev->pointer->events.frame, wlr_dev->pointer);
}
void handle_pointer_motion_abs(struct libinput_event *event,
@ -58,6 +59,7 @@ void handle_pointer_motion_abs(struct libinput_event *event,
wlr_event.x = libinput_event_pointer_get_absolute_x_transformed(pevent, 1);
wlr_event.y = libinput_event_pointer_get_absolute_y_transformed(pevent, 1);
wlr_signal_emit_safe(&wlr_dev->pointer->events.motion_absolute, &wlr_event);
wlr_signal_emit_safe(&wlr_dev->pointer->events.frame, wlr_dev->pointer);
}
void handle_pointer_button(struct libinput_event *event,
@ -84,6 +86,7 @@ void handle_pointer_button(struct libinput_event *event,
break;
}
wlr_signal_emit_safe(&wlr_dev->pointer->events.button, &wlr_event);
wlr_signal_emit_safe(&wlr_dev->pointer->events.frame, wlr_dev->pointer);
}
void handle_pointer_axis(struct libinput_event *event,
@ -114,13 +117,13 @@ void handle_pointer_axis(struct libinput_event *event,
wlr_event.source = WLR_AXIS_SOURCE_WHEEL_TILT;
break;
}
enum libinput_pointer_axis axies[] = {
const enum libinput_pointer_axis axes[] = {
LIBINPUT_POINTER_AXIS_SCROLL_VERTICAL,
LIBINPUT_POINTER_AXIS_SCROLL_HORIZONTAL,
};
for (size_t i = 0; i < sizeof(axies) / sizeof(axies[0]); ++i) {
if (libinput_event_pointer_has_axis(pevent, axies[i])) {
switch (axies[i]) {
for (size_t i = 0; i < sizeof(axes) / sizeof(axes[0]); ++i) {
if (libinput_event_pointer_has_axis(pevent, axes[i])) {
switch (axes[i]) {
case LIBINPUT_POINTER_AXIS_SCROLL_VERTICAL:
wlr_event.orientation = WLR_AXIS_ORIENTATION_VERTICAL;
break;
@ -129,10 +132,11 @@ void handle_pointer_axis(struct libinput_event *event,
break;
}
wlr_event.delta =
libinput_event_pointer_get_axis_value(pevent, axies[i]);
libinput_event_pointer_get_axis_value(pevent, axes[i]);
wlr_event.delta_discrete =
libinput_event_pointer_get_axis_value_discrete(pevent, axies[i]);
libinput_event_pointer_get_axis_value_discrete(pevent, axes[i]);
wlr_signal_emit_safe(&wlr_dev->pointer->events.axis, &wlr_event);
}
}
wlr_signal_emit_safe(&wlr_dev->pointer->events.frame, wlr_dev->pointer);
}