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Merge pull request #1517 from emersion/refactor-dnd

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Refactor drag-and-drop
This commit is contained in:
Drew DeVault 2019-02-23 13:02:28 -05:00 • committed by GitHub
commit e77e53dae5
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GPG key ID: 4AEE18F83AFDEB23
11 changed files with 360 additions and 189 deletions
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58
rootston/seat.c
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@ -603,10 +603,38 @@ static void roots_drag_icon_handle_destroy(struct wl_listener *listener,
free(icon);
}
static void roots_seat_handle_new_drag_icon(struct wl_listener *listener,
static void roots_seat_handle_request_start_drag(struct wl_listener *listener,
void *data) {
struct roots_seat *seat = wl_container_of(listener, seat, new_drag_icon);
struct wlr_drag_icon *wlr_drag_icon = data;
struct roots_seat *seat =
wl_container_of(listener, seat, request_start_drag);
struct wlr_seat_request_start_drag_event *event = data;
if (wlr_seat_validate_pointer_grab_serial(seat->seat,
event->origin, event->serial)) {
wlr_seat_start_pointer_drag(seat->seat, event->drag, event->serial);
return;
}
struct wlr_touch_point *point;
if (wlr_seat_validate_touch_grab_serial(seat->seat,
event->origin, event->serial, &point)) {
wlr_seat_start_touch_drag(seat->seat, event->drag, event->serial, point);
return;
}
wlr_log(WLR_DEBUG, "Ignoring start_drag request: "
"could not validate pointer or touch serial %" PRIu32, event->serial);
wlr_data_source_destroy(event->drag->source);
}
static void roots_seat_handle_start_drag(struct wl_listener *listener,
void *data) {
struct roots_seat *seat = wl_container_of(listener, seat, start_drag);
struct wlr_drag *wlr_drag = data;
struct wlr_drag_icon *wlr_drag_icon = wlr_drag->icon;
if (wlr_drag_icon == NULL) {
return;
}
struct roots_drag_icon *icon = calloc(1, sizeof(struct roots_drag_icon));
if (icon == NULL) {
@ -649,20 +677,27 @@ static void roots_seat_handle_request_set_primary_selection(
void roots_drag_icon_update_position(struct roots_drag_icon *icon) {
roots_drag_icon_damage_whole(icon);
struct wlr_drag_icon *wlr_icon = icon->wlr_drag_icon;
struct roots_seat *seat = icon->seat;
struct wlr_cursor *cursor = seat->cursor->cursor;
if (wlr_icon->is_pointer) {
struct wlr_drag *wlr_drag = icon->wlr_drag_icon->drag;
assert(wlr_drag != NULL);
switch (seat->seat->drag->grab_type) {
case WLR_DRAG_GRAB_KEYBOARD:
assert(false);
case WLR_DRAG_GRAB_KEYBOARD_POINTER:;
struct wlr_cursor *cursor = seat->cursor->cursor;
icon->x = cursor->x;
icon->y = cursor->y;
} else {
break;
case WLR_DRAG_GRAB_KEYBOARD_TOUCH:;
struct wlr_touch_point *point =
wlr_seat_touch_get_point(seat->seat, wlr_icon->touch_id);
wlr_seat_touch_get_point(seat->seat, wlr_drag->touch_id);
if (point == NULL) {
return;
}
icon->x = seat->touch_x;
icon->y = seat->touch_y;
break;
}
roots_drag_icon_damage_whole(icon);
@ -738,8 +773,11 @@ struct roots_seat *roots_seat_create(struct roots_input *input, char *name) {
roots_seat_handle_request_set_primary_selection;
wl_signal_add(&seat->seat->events.request_set_primary_selection,
&seat->request_set_primary_selection);
seat->new_drag_icon.notify = roots_seat_handle_new_drag_icon;
wl_signal_add(&seat->seat->events.new_drag_icon, &seat->new_drag_icon);
seat->request_start_drag.notify = roots_seat_handle_request_start_drag;
wl_signal_add(&seat->seat->events.request_start_drag,
&seat->request_start_drag);
seat->start_drag.notify = roots_seat_handle_start_drag;
wl_signal_add(&seat->seat->events.start_drag, &seat->start_drag);
seat->destroy.notify = roots_seat_handle_destroy;
wl_signal_add(&seat->seat->events.destroy, &seat->destroy);