mirror of
https://github.com/bakkeby/dwm-flexipatch
synced 2024-11-05 00:00:18 +00:00
150 lines
2.6 KiB
C
150 lines
2.6 KiB
C
#include <X11/Xlib-xcb.h>
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#include <xcb/res.h>
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static xcb_connection_t *xcon;
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void
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swallow(Client *p, Client *c)
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{
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if (c->noswallow || c->isterminal)
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return;
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detach(c);
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detachstack(c);
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setclientstate(c, WithdrawnState);
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XUnmapWindow(dpy, p->win);
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p->swallowing = c;
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c->mon = p->mon;
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Window w = p->win;
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p->win = c->win;
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c->win = w;
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updatetitle(p);
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arrange(p->mon);
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XMoveResizeWindow(dpy, p->win, p->x, p->y, p->w, p->h);
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configure(p);
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updateclientlist();
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}
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void
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unswallow(Client *c)
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{
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c->win = c->swallowing->win;
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free(c->swallowing);
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c->swallowing = NULL;
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updatetitle(c);
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arrange(c->mon);
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XMapWindow(dpy, c->win);
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XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h);
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configure(c);
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setclientstate(c, NormalState);
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}
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pid_t
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winpid(Window w)
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{
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pid_t result = 0;
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xcb_res_client_id_spec_t spec = {0};
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spec.client = w;
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spec.mask = XCB_RES_CLIENT_ID_MASK_LOCAL_CLIENT_PID;
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xcb_generic_error_t *e = NULL;
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xcb_res_query_client_ids_cookie_t c = xcb_res_query_client_ids(xcon, 1, &spec);
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xcb_res_query_client_ids_reply_t *r = xcb_res_query_client_ids_reply(xcon, c, &e);
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if (!r)
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return (pid_t)0;
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xcb_res_client_id_value_iterator_t i = xcb_res_query_client_ids_ids_iterator(r);
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for (; i.rem; xcb_res_client_id_value_next(&i)) {
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spec = i.data->spec;
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if (spec.mask & XCB_RES_CLIENT_ID_MASK_LOCAL_CLIENT_PID) {
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uint32_t *t = xcb_res_client_id_value_value(i.data);
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result = *t;
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break;
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}
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}
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free(r);
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if (result == (pid_t)-1)
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result = 0;
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return result;
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}
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pid_t
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getparentprocess(pid_t p)
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{
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unsigned int v = 0;
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#ifdef __linux__
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FILE *f;
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char buf[256];
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snprintf(buf, sizeof(buf) - 1, "/proc/%u/stat", (unsigned)p);
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if (!(f = fopen(buf, "r")))
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return 0;
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wunused-result"
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fscanf(f, "%*u %*s %*c %u", &v);
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#pragma GCC diagnostic pop
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fclose(f);
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#endif /* __linux__ */
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return (pid_t)v;
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}
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int
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isdescprocess(pid_t p, pid_t c)
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{
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while (p != c && c != 0)
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c = getparentprocess(c);
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return (int)c;
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}
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Client *
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termforwin(const Client *w)
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{
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Client *c;
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Monitor *m;
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if (!w->pid || w->isterminal)
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return NULL;
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c = selmon->sel;
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if (c && c->isterminal && !c->swallowing && c->pid && isdescprocess(c->pid, w->pid))
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return c;
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for (m = mons; m; m = m->next) {
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for (c = m->clients; c; c = c->next) {
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if (c->isterminal && !c->swallowing && c->pid && isdescprocess(c->pid, w->pid))
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return c;
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}
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}
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return NULL;
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}
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Client *
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swallowingclient(Window w)
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{
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Client *c;
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Monitor *m;
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for (m = mons; m; m = m->next) {
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for (c = m->clients; c; c = c->next) {
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if (c->swallowing && c->swallowing->win == w)
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return c;
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}
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}
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return NULL;
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}
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