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add selclient() helper 

This may get inlined later, but it's nice for now.  The focused client
if any should always be both at the top of fstack and visible on selmon.
This commit is contained in:
Devin J. Pohly 2020-04-23 00:27:53 -05:00
parent 3593da0e15
commit 9b2eec24c2
1 changed files with 16 additions and 8 deletions
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24
dwl.c
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@ -141,6 +141,7 @@ static void rendermon(struct wl_listener *listener, void *data);
static void resize(Client *c, int x, int y, int w, int h);
static void resizemouse(const Arg *arg);
static void run(char *startup_cmd);
static Client *selclient(void);
static void setcursor(struct wl_listener *listener, void *data);
static void setlayout(const Arg *arg);
static void setup(void);
@ -410,18 +411,16 @@ focus(Client *c, struct wlr_surface *surface)
void
focusnext(const Arg *arg)
{
/* XXX will need more logic with clients on different monitors */
if (wl_list_length(&clients) < 2) {
Client *sel = selclient();
if (!sel)
return;
}
/* Find the selected client (top of fstack) and focus the client
* following it in tiling order */
Client *c = wl_container_of(fstack.next, c, flink);
Client *n = wl_container_of(c->link.next, n, link);
Client *c = wl_container_of(sel->link.next, c, link);
/* Skip the sentinel node if we wrap around the end of the list */
if (&n->link == &clients)
n = wl_container_of(n->link.next, n, link);
focus(n, n->xdg_surface->surface);
if (&c->link == &clients)
c = wl_container_of(c->link.next, c, link);
focus(c, c->xdg_surface->surface);
}
void
@ -849,6 +848,15 @@ run(char *startup_cmd)
}
}
Client *
selclient(void)
{
Client *c = wl_container_of(fstack.next, c, flink);
if (wl_list_empty(&fstack) || !VISIBLEON(c, selmon))
return NULL;
return c;
}
void
setcursor(struct wl_listener *listener, void *data)
{