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evdev: let the fallback_flush... function decide whether a frame is needed

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Rather than testing before if we have an event that matches the need for a
frame simply return the event sent by the flush function. If that event
matches those that need frame events, send the event then.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Jason Gerecke <jason.gerecke@wacom.com>
This commit is contained in:
Peter Hutterer 2016-08-03 11:58:23 +10:00
parent b26d8f9122
commit b0ec4bacbd
1 changed files with 25 additions and 32 deletions
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57
src/evdev.c
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@ -628,16 +628,19 @@ fallback_flush_st_up(struct fallback_dispatch *dispatch,
touch_notify_touch_up(base, time, -1, seat_slot);
}
static void
static enum evdev_event_type
fallback_flush_pending_event(struct fallback_dispatch *dispatch,
struct evdev_device *device,
uint64_t time)
{
enum evdev_event_type sent_event;
int slot_idx;
sent_event = dispatch->pending_event;
switch (dispatch->pending_event) {
case EVDEV_NONE:
return;
break;
case EVDEV_RELATIVE_MOTION:
fallback_flush_relative_motion(dispatch, device, time);
break;
@ -657,12 +660,14 @@ fallback_flush_pending_event(struct fallback_dispatch *dispatch,
fallback_flush_st_down(dispatch, device, time);
break;
case EVDEV_ABSOLUTE_MOTION:
if (device->seat_caps & EVDEV_DEVICE_TOUCH)
if (device->seat_caps & EVDEV_DEVICE_TOUCH) {
fallback_flush_st_motion(dispatch, device, time);
else if (device->seat_caps & EVDEV_DEVICE_POINTER)
sent_event = EVDEV_ABSOLUTE_MT_MOTION;
} else if (device->seat_caps & EVDEV_DEVICE_POINTER) {
fallback_flush_absolute_motion(dispatch,
device,
time);
}
break;
case EVDEV_ABSOLUTE_TOUCH_UP:
fallback_flush_st_up(dispatch, device, time);
@ -673,6 +678,8 @@ fallback_flush_pending_event(struct fallback_dispatch *dispatch,
}
dispatch->pending_event = EVDEV_NONE;
return sent_event;
}
static enum evdev_key_type
@ -968,29 +975,6 @@ fallback_any_button_down(struct fallback_dispatch *dispatch,
return false;
}
static inline bool
fallback_need_touch_frame(struct fallback_dispatch *dispatch,
struct evdev_device *device)
{
if (!(device->seat_caps & EVDEV_DEVICE_TOUCH))
return false;
switch (dispatch->pending_event) {
case EVDEV_NONE:
case EVDEV_RELATIVE_MOTION:
break;
case EVDEV_ABSOLUTE_MT_DOWN:
case EVDEV_ABSOLUTE_MT_MOTION:
case EVDEV_ABSOLUTE_MT_UP:
case EVDEV_ABSOLUTE_TOUCH_DOWN:
case EVDEV_ABSOLUTE_TOUCH_UP:
case EVDEV_ABSOLUTE_MOTION:
return true;
}
return false;
}
static void
evdev_tag_external_mouse(struct evdev_device *device,
struct udev_device *udev_device)
@ -1039,7 +1023,7 @@ fallback_process(struct evdev_dispatch *evdev_dispatch,
uint64_t time)
{
struct fallback_dispatch *dispatch = (struct fallback_dispatch*)evdev_dispatch;
bool need_frame = false;
enum evdev_event_type sent;
switch (event->type) {
case EV_REL:
@ -1052,11 +1036,20 @@ fallback_process(struct evdev_dispatch *evdev_dispatch,
fallback_process_key(dispatch, device, event, time);
break;
case EV_SYN:
need_frame = fallback_need_touch_frame(dispatch,
device);
fallback_flush_pending_event(dispatch, device, time);
if (need_frame)
sent = fallback_flush_pending_event(dispatch, device, time);
switch (sent) {
case EVDEV_ABSOLUTE_TOUCH_DOWN:
case EVDEV_ABSOLUTE_TOUCH_UP:
case EVDEV_ABSOLUTE_MT_DOWN:
case EVDEV_ABSOLUTE_MT_MOTION:
case EVDEV_ABSOLUTE_MT_UP:
touch_notify_frame(&device->base, time);
break;
case EVDEV_ABSOLUTE_MOTION:
case EVDEV_RELATIVE_MOTION:
case EVDEV_NONE:
break;
}
break;
}
}