forked from enlightenment/efl
elput: Fix synthetic relative motion events based on abs events
libinput won't actually give us this info, and logs an error instead. We can't synthesize based on pointer position due to pointer warping. So we must track abs reports and use previous abs reports to synthesize rel events.
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2b16fc4278
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@ -880,6 +880,23 @@ _pointer_motion_send(Elput_Device *edev)
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ecore_event_add(ECORE_EVENT_MOUSE_MOVE, ev, _event_free, ev->dev);
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}
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static void
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_pointer_motion_relative_fake(struct libinput_event_pointer *event, double dx, double dy)
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{
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Elput_Event_Pointer_Motion *ev;
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ev = calloc(1, sizeof(Elput_Event_Pointer_Motion));
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EINA_SAFETY_ON_NULL_RETURN(ev);
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ev->time_usec = libinput_event_pointer_get_time_usec(event);
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ev->dx = dx;
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ev->dy = dy;
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ev->dx_unaccel = dx;
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ev->dy_unaccel = dy;
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ecore_event_add(ELPUT_EVENT_POINTER_MOTION, ev, NULL, NULL);
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}
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static void
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_pointer_motion_relative(struct libinput_event_pointer *event)
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{
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@ -937,6 +954,7 @@ _pointer_motion_abs(struct libinput_device *idev, struct libinput_event_pointer
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{
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Elput_Device *edev;
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Elput_Pointer *ptr;
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double x, y;
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edev = libinput_device_get_user_data(idev);
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if (!edev) return EINA_FALSE;
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@ -944,16 +962,22 @@ _pointer_motion_abs(struct libinput_device *idev, struct libinput_event_pointer
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ptr = _evdev_pointer_get(edev->seat);
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if (!ptr) return EINA_FALSE;
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ptr->seat->pointer.x =
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x = edev->absx;
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edev->absx =
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libinput_event_pointer_get_absolute_x_transformed(event, edev->ow);
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ptr->seat->pointer.y =
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ptr->seat->pointer.x = edev->absx;
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y = edev->absy;
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edev->absy =
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libinput_event_pointer_get_absolute_y_transformed(event, edev->oh);
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ptr->seat->pointer.y = edev->absy;
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ptr->timestamp = libinput_event_pointer_get_time(event);
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/* TODO: these needs to run a matrix transform based on output */
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_pointer_motion_send(edev);
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_pointer_motion_relative(event);
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_pointer_motion_relative_fake(event, edev->absx - x, edev->absy - y);
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return EINA_TRUE;
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}
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@ -231,6 +231,8 @@ struct _Elput_Device
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uint32_t ow, oh;
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double absx, absy;
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const char *path;
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const char *output_name;
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struct libinput_device *device;
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