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refocus if focused client is unmapped 

focus(NULL, NULL) works like dwm's focus(NULL): focus the most recent
visible client on selmon, or clear the existing focus if there are none.
This commit is contained in:
Devin J. Pohly 2020-04-23 19:37:14 -05:00
parent c03081d85d
commit fda58764ab
1 changed files with 44 additions and 18 deletions
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62
dwl.c
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@ -377,10 +377,26 @@ destroynotify(struct wl_listener *listener, void *data)
void
focus(Client *c, struct wlr_surface *surface)
{
/* Note: this function only deals with keyboard focus. */
if (c == NULL) {
return;
/* Default client is most recently focused on selmon */
if (!c || !VISIBLEON(c, c->mon)) {
c = NULL;
surface = NULL;
Client *next;
wl_list_for_each(next, &fstack, flink) {
if (VISIBLEON(next, selmon)) {
c = next;
break;
}
}
}
/* Default surface is the client's main xdg_surface */
if (c && !surface)
surface = c->xdg_surface->surface;
/* Focus the correct monitor as well */
if (c)
selmon = c->mon;
struct wlr_surface *prev_surface = seat->keyboard_state.focused_surface;
if (prev_surface == surface) {
/* Don't re-focus an already focused surface. */
@ -396,19 +412,25 @@ focus(Client *c, struct wlr_surface *surface)
seat->keyboard_state.focused_surface);
wlr_xdg_toplevel_set_activated(previous, false);
}
struct wlr_keyboard *keyboard = wlr_seat_get_keyboard(seat);
/* Move the client to the front of the focus stack */
wl_list_remove(&c->flink);
wl_list_insert(&fstack, &c->flink);
/* Activate the new surface */
wlr_xdg_toplevel_set_activated(c->xdg_surface, true);
/*
* Tell the seat to have the keyboard enter this surface. wlroots will keep
* track of this and automatically send key events to the appropriate
* clients without additional work on your part.
*/
wlr_seat_keyboard_notify_enter(seat, c->xdg_surface->surface,
keyboard->keycodes, keyboard->num_keycodes, &keyboard->modifiers);
if (c) {
struct wlr_keyboard *keyboard = wlr_seat_get_keyboard(seat);
/* Move the client to the front of the focus stack */
wl_list_remove(&c->flink);
wl_list_insert(&fstack, &c->flink);
/* Activate the new surface */
wlr_xdg_toplevel_set_activated(c->xdg_surface, true);
/*
* Tell the seat to have the keyboard enter this surface.
* wlroots will keep track of this and automatically send key
* events to the appropriate clients without additional work on
* your part.
*/
wlr_seat_keyboard_notify_enter(seat, c->xdg_surface->surface,
keyboard->keycodes, keyboard->num_keycodes,
&keyboard->modifiers);
} else {
wlr_seat_keyboard_clear_focus(seat);
}
}
void
@ -435,7 +457,7 @@ focusstack(const Arg *arg)
}
}
/* If only one client is visible on selmon, then c == sel */
focus(c, c->xdg_surface->surface);
focus(c, NULL);
}
void
@ -544,7 +566,7 @@ maprequest(struct wl_listener *listener, void *data)
c->mon = selmon;
wl_list_insert(&clients, &c->link);
wl_list_insert(&fstack, &c->flink);
focus(c, c->xdg_surface->surface);
focus(c, NULL);
}
void
@ -1076,8 +1098,12 @@ unmapnotify(struct wl_listener *listener, void *data)
{
/* Called when the surface is unmapped, and should no longer be shown. */
Client *c = wl_container_of(listener, c, unmap);
int hadfocus = (c == selclient());
wl_list_remove(&c->link);
wl_list_remove(&c->flink);
if (hadfocus)
focus(NULL, NULL);
}
Client *