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#include "dwm.h"
#define WLR_EDGE_ALL WLR_EDGE_TOP|WLR_EDGE_BOTTOM|WLR_EDGE_LEFT|WLR_EDGE_RIGHT
/* local callbacks */
static void map(struct wl_listener *ev, void *arg);
static void unmap(struct wl_listener *ev, void *arg);
static void delete(struct wl_listener *ev, void *arg);
/* globals */
static char *broken = "<broken>";
// -----------------------------------------------------------------------
// methods
void
applybounds(Client *c, struct wlr_box *bbox)
{
c->dim.width = MAX(1, c->dim.width);
c->dim.height = MAX(1, c->dim.height);
if (c->dim.x >= bbox->x + bbox->width)
c->dim.x = bbox->x + bbox->width - c->dim.width;
if (c->dim.y >= bbox->y + bbox->height)
c->dim.y = bbox->y + bbox->height - c->dim.height;
if (c->dim.x + c->dim.width + 2 * c->bw <= bbox->x)
c->dim.x = bbox->x;
if (c->dim.y + c->dim.height + 2 * c->bw <= bbox->y)
c->dim.y = bbox->y;
}
void
applyrules(Client *c)
{
char *id, *title;
uint i, newtags = 0;
const Rule *r;
Monitor *m, *it;
m = monitor;
/* rule matching */
c->floating = 0;
if (!(id = c->surf->toplevel->app_id))
id = broken;
if (!(title = c->surf->toplevel->title))
title = broken;
for (r = apprules; r < arrend(apprules); r++) {
if ((!r->title || strstr(title, r->title))
&& (!r->id || strstr(id, r->id)))
{
c->floating = r->floating;
newtags |= r->tags;
i = 0;
wl_list_for_each(it, &dwm.odevs, link)
if (r->monitor == i++)
m = it;
}
}
setmonitor(c, m, newtags);
}
void
resize(Client *c, int x, int y, int w, int h, int interact)
{
struct wlr_box *bbox;
bbox = interact ? &dwm.dim : &c->m->area.win;
c->dim.x = x;
c->dim.y = y;
c->dim.width = w;
c->dim.height = h;
applybounds(c, bbox);
/* wlroots makes this a no-op if size hasn't changed */
wlr_xdg_toplevel_set_size(c->surf, c->dim.width - 2*c->bw - gapwidth, c->dim.height - 2*c->bw - gapwidth);
}
Client *
getclient(void)
{
Client *c;
c = wl_container_of(dwm.focus.next, c, link.focus);
if (wl_list_empty(&dwm.focus) || !VISIBLEON(c, monitor))
return nil;
return c;
}
Client *
clientat(double x, double y)
{
Client *c;
wl_list_for_each(c, &dwm.stack, link.stack)
if (VISIBLEON(c, c->m) && wlr_box_contains_point(&c->dim, x, y))
return c;
return nil;
}
Client *
lastfocus(void)
{
Client *c;
wl_list_for_each(c, &dwm.focus, link.focus)
if (VISIBLEON(c, monitor))
return c;
return nil;
}
void
setfocus(Client *c, struct wlr_surface *surf, int lift)
{
struct wlr_surface *prev_surface;
struct wlr_xdg_surface *prev;
struct wlr_keyboard *kb;
if (c) {
if (!surf)
surf = c->surf->surface;
monitor = c->m;
}
prev_surface = dwm.seat->keyboard_state.focused_surface;
if (prev_surface == surf)
return;
if (prev_surface) {
prev = wlr_xdg_surface_from_wlr_surface(dwm.seat->keyboard_state.focused_surface);
wlr_xdg_toplevel_set_activated(prev, 0);
}
kb = wlr_seat_get_keyboard(dwm.seat);
wlr_seat_keyboard_notify_enter(dwm.seat, surf, kb->keycodes, kb->num_keycodes, &kb->modifiers);
if (c) {
wl_list_remove(&c->link.focus);
wl_list_insert(&dwm.focus, &c->link.focus);
if (lift) {
wl_list_remove(&c->link.stack);
wl_list_insert(&dwm.stack, &c->link.stack);
}
wlr_xdg_toplevel_set_activated(c->surf, 1);
}
}
void
setfloating(Client *c, int f)
{
if (c->floating == f)
return;
c->floating = f;
arrange(c->m);
}
void
pointerfocus(Client *c, struct wlr_surface *surf, double sx, double sy, uint32 time)
{
if (c && !surf)
surf = c->surf->surface;
if (surf && surf == dwm.seat->pointer_state.focused_surface) {
wlr_seat_pointer_notify_motion(dwm.seat, time, sx, sy);
return;
}
wlr_seat_pointer_notify_enter(dwm.seat, surf, sx, sy);
/* If keyboard focus follows mouse, enforce that */
if (sloppyfocus && surf)
setfocus(c, surf, 0);
}
// -----------------------------------------------------------------------
// callback function implementations
/* xdg-surfaces */
void
evยทnewclient(struct wl_listener *ev, void *arg)
{
Client *c;
struct wlr_xdg_surface *surf;
surf = arg;
if (surf->role != WLR_XDG_SURFACE_ROLE_TOPLEVEL)
return;
c = surf->data = calloc(1, sizeof(*c));
c->surf = surf;
c->bw = borderwidth;
wlr_xdg_toplevel_set_tiled(surf, WLR_EDGE_ALL);
/* install callbacks */
c->ev.map.notify = map;
c->ev.unmap.notify = unmap;
c->ev.free.notify = delete;
wl_signal_add(&surf->events.map, &c->ev.map);
wl_signal_add(&surf->events.unmap, &c->ev.unmap);
wl_signal_add(&surf->events.destroy, &c->ev.free);
}
static
void
map(struct wl_listener *ev, void *arg)
{
Client *c;
c = wl_container_of(ev, c, ev.map);
wl_list_insert(&dwm.tiles, &c->link.tiles);
wl_list_insert(&dwm.focus, &c->link.focus);
wl_list_insert(&dwm.stack, &c->link.stack);
wlr_xdg_surface_get_geometry(c->surf, &c->dim);
c->dim.width += 2 * c->bw;
c->dim.height += 2 * c->bw;
applyrules(c);
}
static
void
unmap(struct wl_listener *ev, void *arg)
{
Monitor *m;
Client *c;
c = wl_container_of(ev, c, ev.unmap);
m = c->m;
setmonitor(c, nil, 0);
wl_list_remove(&c->link.tiles);
wl_list_remove(&c->link.stack);
wl_list_remove(&c->link.focus);
c->surf = nil;
arrange(m);
}
static
void
delete(struct wl_listener *ev, void *arg)
{
Client *c;
c = wl_container_of(ev, c, ev.free);
free(c);
}
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