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data-device: destroy previous source when starting drag

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This supersedes f24e17259e and
04c9ca4198. These commits were manually removing
wlr_data_source destroy handlers when starting a new drag. This is error-prone.

Instead, this commit destroys the previous source whenever we start a new drag.
This commit is contained in:
emersion 2019-02-05 10:49:28 +01:00
parent b2f56ad4a8
commit 556bf3ac31
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GPG key ID: 0FDE7BE0E88F5E48
2 changed files with 4 additions and 9 deletions
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5
xwayland/selection/dnd.c
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@ -315,8 +315,6 @@ static void seat_handle_drag_source_destroy(struct wl_listener *listener,
wl_container_of(listener, xwm, seat_drag_source_destroy);
wl_list_remove(&xwm->seat_drag_source_destroy.link);
xwm->seat_drag_source_destroy.link.prev = NULL;
xwm->seat_drag_source_destroy.link.next = NULL;
xwm->drag_focus = NULL;
}
@ -334,9 +332,6 @@ void xwm_seat_handle_start_drag(struct wlr_xwm *xwm, struct wlr_drag *drag) {
wl_signal_add(&drag->events.destroy, &xwm->seat_drag_destroy);
xwm->seat_drag_destroy.notify = seat_handle_drag_destroy;
if (xwm->seat_drag_source_destroy.link.prev != NULL) {
wl_list_remove(&xwm->seat_drag_source_destroy.link);
}
wl_signal_add(&drag->source->events.destroy,
&xwm->seat_drag_source_destroy);
xwm->seat_drag_source_destroy.notify = seat_handle_drag_source_destroy;