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Implement tab cycling using mouse wheel

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Firstly, a change had to be made to the container_at functions. If you
create layout `T[view H[view view]]` and hover the second tab, the
container_at functions would return the focus_inactive child. They now
return the split container itself. To compensate for this,
dispatch_cursor_button has been adjusted to find the focus_inactive
child before focusing it.

The actual implementation of wheel scrolling is pretty straightforward.
This uses handle_cursor_axis, so I took a similar approach to
handle_cursor_button (ie. creating a dispatch_cursor_axis function).
This commit is contained in:
Ryan Dwyer 2018-09-22 10:42:59 +10:00
parent d2a0a3cc0a
commit bf5933c501
2 changed files with 47 additions and 8 deletions
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49
sway/input/cursor.c
View file

@ -911,9 +911,10 @@ void dispatch_cursor_button(struct sway_cursor *cursor,
return;
}
// Handle clicking a container surface
// Handle clicking a container surface or decorations
if (cont) {
seat_set_focus_container(seat, cont);
node = seat_get_focus_inactive(seat, &cont->node);
seat_set_focus(seat, node);
seat_pointer_notify_button(seat, time_msec, button, state);
return;
}
@ -930,12 +931,52 @@ static void handle_cursor_button(struct wl_listener *listener, void *data) {
transaction_commit_dirty();
}
static void dispatch_cursor_axis(struct sway_cursor *cursor,
struct wlr_event_pointer_axis *event) {
struct sway_seat *seat = cursor->seat;
// Determine what's under the cursor
struct wlr_surface *surface = NULL;
double sx, sy;
struct sway_node *node = node_at_coords(seat,
cursor->cursor->x, cursor->cursor->y, &surface, &sx, &sy);
struct sway_container *cont = node && node->type == N_CONTAINER ?
node->sway_container : NULL;
enum wlr_edges edge = cont ? find_edge(cont, cursor) : WLR_EDGE_NONE;
bool on_border = edge != WLR_EDGE_NONE;
bool on_titlebar = cont && !on_border && !surface;
// Scrolling on a tabbed or stacked title bar
if (on_titlebar) {
enum sway_container_layout layout = container_parent_layout(cont);
if (layout == L_TABBED || layout == L_STACKED) {
struct sway_node *active =
seat_get_active_tiling_child(seat, node_get_parent(node));
list_t *siblings = container_get_siblings(cont);
int desired = list_find(siblings, active->sway_container) +
event->delta_discrete;
if (desired < 0) {
desired = 0;
} else if (desired >= siblings->length) {
desired = siblings->length - 1;
}
struct sway_container *new_focus = siblings->items[desired];
node = seat_get_focus_inactive(seat, &new_focus->node);
seat_set_focus(seat, node);
return;
}
}
wlr_seat_pointer_notify_axis(cursor->seat->wlr_seat, event->time_msec,
event->orientation, event->delta, event->delta_discrete, event->source);
}
static void handle_cursor_axis(struct wl_listener *listener, void *data) {
struct sway_cursor *cursor = wl_container_of(listener, cursor, axis);
wlr_idle_notify_activity(cursor->seat->input->server->idle, cursor->seat->wlr_seat);
struct wlr_event_pointer_axis *event = data;
wlr_seat_pointer_notify_axis(cursor->seat->wlr_seat, event->time_msec,
event->orientation, event->delta, event->delta_discrete, event->source);
dispatch_cursor_axis(cursor, event);
transaction_commit_dirty();
}
static void handle_touch_down(struct wl_listener *listener, void *data) {

6
sway/tree/container.c
View file

@ -215,8 +215,7 @@ static struct sway_container *container_at_tabbed(struct sway_node *parent,
child_index = children->length - 1;
}
struct sway_container *child = children->items[child_index];
struct sway_node *node = seat_get_focus_inactive(seat, &child->node);
return node->sway_container;
return child;
}
// Surfaces
@ -243,8 +242,7 @@ static struct sway_container *container_at_stacked(struct sway_node *parent,
int child_index = (ly - box.y) / title_height;
if (child_index < children->length) {
struct sway_container *child = children->items[child_index];
struct sway_node *node = seat_get_focus_inactive(seat, &child->node);
return node->sway_container;
return child;
}
// Surfaces