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Write something more intuitive for focusclient()

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This commit is contained in:
Devin J. Pohly 2020-06-03 19:45:40 -05:00
parent 78187f5e65
commit 5991cec0ff
1 changed files with 34 additions and 35 deletions
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69
dwl.c
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@ -526,56 +526,55 @@ dirtomon(int dir)
void
focusclient(Client *c, struct wlr_surface *surface, int lift)
{
struct wlr_surface *prev_surface;
struct wlr_xdg_surface *previous;
Client *sel = selclient();
struct wlr_keyboard *kb;
/* Previous and new xdg toplevel surfaces */
struct wlr_xdg_surface *ptl = sel ? sel->xdg_surface : NULL;
struct wlr_xdg_surface *tl = c ? c->xdg_surface : NULL;
/* Previously focused surface */
struct wlr_surface *psurface = seat->keyboard_state.focused_surface;
if (c) {
/* assert(VISIBLEON(c, c->mon)); ? */
/* Use top level surface if nothing more specific given */
/* Use top-level wlr_surface if nothing more specific given */
if (!surface)
surface = c->xdg_surface->surface;
/* Focus the correct monitor as well */
selmon = c->mon;
}
/* XXX Need to understand xdg toplevel/popups to know if there's more
* simplification that can be done in this function */
prev_surface = seat->keyboard_state.focused_surface;
/* Don't re-focus an already focused surface. */
/* XXX need to move raiseclient before this */
if (prev_surface == surface)
return;
if (prev_surface) {
/*
* Deactivate the previously focused surface. This lets the
* client know it no longer has focus and the client will
* repaint accordingly, e.g. stop displaying a caret.
*/
previous = wlr_xdg_surface_from_wlr_surface(
seat->keyboard_state.focused_surface);
wlr_xdg_toplevel_set_activated(previous, 0);
}
/*
* 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. If surface == NULL, this will clear focus.
*/
kb = wlr_seat_get_keyboard(seat);
wlr_seat_keyboard_notify_enter(seat, surface,
kb->keycodes, kb->num_keycodes, &kb->modifiers);
if (c) {
/* Focus the correct monitor (must come after selclient!) */
selmon = c->mon;
/* Move the client to the front of the focus stack */
wl_list_remove(&c->flink);
wl_list_insert(&fstack, &c->flink);
/* Also raise client in stacking order if requested */
if (lift) {
wl_list_remove(&c->slink);
wl_list_insert(&stack, &c->slink);
}
/* Activate the new surface */
wlr_xdg_toplevel_set_activated(c->xdg_surface, 1);
}
/*
* If the focused surface has changed, tell the seat to have the
* keyboard enter the new surface. wlroots will keep track of this and
* automatically send key events to the appropriate clients. If surface
* is NULL, this will clear focus.
*/
if (surface != psurface) {
kb = wlr_seat_get_keyboard(seat);
wlr_seat_keyboard_notify_enter(seat, surface,
kb->keycodes, kb->num_keycodes, &kb->modifiers);
}
/*
* If the focused toplevel has changed, deactivate the old one and
* activate the new one. This lets the clients know to repaint
* accordingly, e.g. show/hide a caret.
*/
if (tl != ptl && ptl)
wlr_xdg_toplevel_set_activated(ptl, 0);
if (tl != ptl && tl)
wlr_xdg_toplevel_set_activated(tl, 1);
}
void