static void
weston_zoom_frame_xy(struct weston_animation *animation,
struct weston_output *output, uint32_t msecs)
{
struct weston_seat *seat = weston_zoom_pick_seat(output->compositor);
wl_fixed_t x, y;
if (animation->frame_counter <= 1)
output->zoom.spring_xy.timestamp = msecs;
weston_spring_update(&output->zoom.spring_xy, msecs);
x = output->zoom.from.x - ((output->zoom.from.x - output->zoom.to.x) *
output->zoom.spring_xy.current);
y = output->zoom.from.y - ((output->zoom.from.y - output->zoom.to.y) *
output->zoom.spring_xy.current);
output->zoom.current.x = x;
output->zoom.current.y = y;
if (weston_spring_done(&output->zoom.spring_xy)) {
output->zoom.spring_xy.current = output->zoom.spring_xy.target;
output->zoom.current.x = seat->pointer->x;
output->zoom.current.y = seat->pointer->y;
wl_list_remove(&animation->link);
wl_list_init(&animation->link);
}
output->dirty = 1;
weston_output_damage(output);
}
WL_EXPORT void
weston_output_update_zoom(struct weston_output *output, uint32_t type)
{
struct weston_seat *seat = weston_zoom_pick_seat(output->compositor);
wl_fixed_t x = seat->pointer->x;
wl_fixed_t y = seat->pointer->y;
zoom_area_center_from_pointer(output, &x, &y);
if (type == ZOOM_FOCUS_POINTER) {
if (wl_list_empty(&output->zoom.animation_xy.link)) {
output->zoom.current.x = seat->pointer->x;
output->zoom.current.y = seat->pointer->y;
} else {
output->zoom.to.x = x;
output->zoom.to.y = y;
}
}
if (type == ZOOM_FOCUS_TEXT) {
if (wl_list_empty(&output->zoom.animation_xy.link)) {
output->zoom.current.x = output->zoom.text_cursor.x;
output->zoom.current.y = output->zoom.text_cursor.y;
} else {
output->zoom.to.x = output->zoom.text_cursor.x;
output->zoom.to.y = output->zoom.text_cursor.y;
}
}
weston_zoom_transition(output, type, x, y);
weston_output_update_zoom_transform(output);
}
WL_EXPORT void
weston_output_activate_zoom(struct weston_output *output)
{
struct weston_seat *seat = weston_zoom_pick_seat(output->compositor);
if (output->zoom.active)
return;
output->zoom.active = 1;
output->disable_planes++;
wl_signal_add(&seat->pointer->motion_signal,
&output->zoom.motion_listener);
}
WL_EXPORT void
weston_output_update_zoom(struct weston_output *output)
{
struct weston_seat *seat = weston_zoom_pick_seat(output->compositor);
wl_fixed_t x = seat->pointer->x;
wl_fixed_t y = seat->pointer->y;
zoom_area_center_from_pointer(output, &x, &y);
if (wl_list_empty(&output->zoom.animation_xy.link)) {
output->zoom.current.x = seat->pointer->x;
output->zoom.current.y = seat->pointer->y;
} else {
output->zoom.to.x = x;
output->zoom.to.y = y;
}
weston_zoom_transition(output, x, y);
weston_output_update_zoom_transform(output);
}
