This commit is contained in:
Arthur Khachaturov 2024-07-04 13:49:10 +03:00
parent f6e995fe98
commit 765fb16e7d
7 changed files with 357 additions and 98 deletions

293
dwm.c
View file

@ -20,11 +20,13 @@
*
* To understand everything else, start reading main().
*/
#include <locale.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/wait.h>
@ -38,6 +40,12 @@
#include <X11/extensions/Xinerama.h>
#endif /* XINERAMA */
#include <X11/Xft/Xft.h>
#include <X11/Xlib-xcb.h>
#include <xcb/res.h>
#ifdef __OpenBSD__
#include <sys/sysctl.h>
#include <kvm.h>
#endif /* __OpenBSD */
#include "drw.h"
#include "util.h"
@ -92,9 +100,11 @@ struct Client {
int basew, baseh, incw, inch, maxw, maxh, minw, minh, hintsvalid;
int bw, oldbw;
unsigned int tags;
int isfixed, isfloating, isurgent, neverfocus, oldstate, isfullscreen;
int isfixed, isfloating, isurgent, neverfocus, oldstate, isfullscreen, isterminal, noswallow;
pid_t pid;
Client *next;
Client *snext;
Client *swallowing;
Monitor *mon;
Window win;
};
@ -144,6 +154,8 @@ typedef struct {
const char *title;
unsigned int tags;
int isfloating;
int isterminal;
int noswallow;
int monitor;
} Rule;
@ -249,6 +261,12 @@ static int xerrorstart(Display *dpy, XErrorEvent *ee);
static void xinitvisual(void);
static void zoom(const Arg *arg);
static pid_t getparentprocess(pid_t p);
static int isdescprocess(pid_t p, pid_t c);
static Client *swallowingclient(Window w);
static Client *termforwin(const Client *c);
static pid_t winpid(Window w);
/* variables */
static const char broken[] = "broken";
static char stext[256];
@ -289,6 +307,8 @@ static Visual *visual;
static int depth;
static Colormap cmap;
static xcb_connection_t *xcon;
/* configuration, allows nested code to access above variables */
#include "config.h"
@ -318,6 +338,8 @@ applyrules(Client *c)
&& (!r->class || strstr(class, r->class))
&& (!r->instance || strstr(instance, r->instance)))
{
c->isterminal = r->isterminal;
c->noswallow = r->noswallow;
c->isfloating = r->isfloating;
c->tags |= r->tags;
for (m = mons; m && m->num != r->monitor; m = m->next);
@ -410,8 +432,10 @@ arrange(Monitor *m)
if (m) {
arrangemon(m);
restack(m);
} else for (m = mons; m; m = m->next)
} else for (m = mons; m; m = m->next) {
arrangemon(m);
restack(m);
}
}
void
@ -446,6 +470,53 @@ attachstack(Client *c)
c->mon->stack = c;
}
void
swallow(Client *p, Client *c)
{
if (c->noswallow || c->isterminal)
return;
if (c->noswallow && !swallowfloating && c->isfloating)
return;
detach(c);
detachstack(c);
setclientstate(c, WithdrawnState);
XUnmapWindow(dpy, p->win);
p->swallowing = c;
c->mon = p->mon;
Window w = p->win;
p->win = c->win;
c->win = w;
updatetitle(p);
XMoveResizeWindow(dpy, p->win, p->x, p->y, p->w, p->h);
arrange(p->mon);
configure(p);
updateclientlist();
}
void
unswallow(Client *c)
{
c->win = c->swallowing->win;
free(c->swallowing);
c->swallowing = NULL;
/* unfullscreen the client */
setfullscreen(c, 0);
updatetitle(c);
arrange(c->mon);
XMapWindow(dpy, c->win);
XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h);
setclientstate(c, NormalState);
focus(NULL);
arrange(c->mon);
}
void
buttonpress(XEvent *e)
{
@ -523,7 +594,7 @@ cleanup(void)
XDestroyWindow(dpy, wmcheckwin);
drw_free(drw);
XSync(dpy, False);
XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
XSetInputFocus(dpy, PointerRoot, RevertToNone, CurrentTime);
XDeleteProperty(dpy, root, netatom[NetActiveWindow]);
}
@ -692,6 +763,9 @@ destroynotify(XEvent *e)
if ((c = wintoclient(ev->window)))
unmanage(c, 1);
else if ((c = swallowingclient(ev->window)))
unmanage(c->swallowing, 1);
}
void
@ -707,7 +781,6 @@ void
detachstack(Client *c)
{
Client **tc, *t;
for (tc = &c->mon->stack; *tc && *tc != c; tc = &(*tc)->snext);
*tc = c->snext;
@ -845,7 +918,8 @@ focus(Client *c)
}
setfocus(c);
} else {
XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
notify("SELMON STACK EMPTY");
XSetInputFocus(dpy, root, RevertToNone, CurrentTime);
XDeleteProperty(dpy, root, netatom[NetActiveWindow]);
}
selmon->sel = c;
@ -871,7 +945,7 @@ focusmon(const Arg *arg)
return;
if ((m = dirtomon(arg->i)) == selmon)
return;
unfocus(selmon->sel, 0);
unfocus(selmon->sel, 1);
selmon = m;
focus(NULL);
}
@ -905,8 +979,11 @@ focusstack(const Arg *arg)
void
focustagmon(const Arg *arg)
{
Monitor *m = dirtomon(arg->i);
if (m && m->sel && m->sel->isfullscreen)
return;
tagmon(arg);
// for (Monitor *m = selmon; m == selmon; focusmon(arg)); // ffs it just doesn't work properly...
focusmon(arg);
}
@ -1093,12 +1170,13 @@ killclient(const Arg *arg)
void
manage(Window w, XWindowAttributes *wa)
{
Client *c, *t = NULL;
Client *c, *t = NULL, *term = NULL;
Window trans = None;
XWindowChanges wc;
c = ecalloc(1, sizeof(Client));
c->win = w;
c->pid = winpid(w);
/* geometry */
c->x = c->oldx = wa->x;
c->y = c->oldy = wa->y;
@ -1114,6 +1192,7 @@ manage(Window w, XWindowAttributes *wa)
} else {
c->mon = selmon;
applyrules(c);
term = termforwin(c);
}
if (c->x + WIDTH(c) > c->mon->wx + c->mon->ww)
@ -1158,6 +1237,8 @@ manage(Window w, XWindowAttributes *wa)
c->mon->sel = c;
arrange(c->mon);
XMapWindow(dpy, c->win);
if (term)
swallow(term, c);
focus(old_sel);
}
@ -1501,9 +1582,13 @@ sendmon(Client *c, Monitor *m)
{
if (c->mon == m)
return;
unfocus(c, 0);
unfocus(c, 1);
detach(c);
detachstack(c);
Client *pc = selmon->stack;
c->mon = m;
c->tags = m->tagset[m->seltags]; /* assign tags of target monitor */
@ -1513,8 +1598,11 @@ sendmon(Client *c, Monitor *m)
attachbottom(c);
attachstack(c);
focus(NULL);
arrange(NULL);
focus(pc);
arrange(m);
arrange(selmon);
}
void
@ -1555,7 +1643,7 @@ void
setfocus(Client *c)
{
if (!c->neverfocus) {
XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
XSetInputFocus(dpy, c->win, RevertToNone, CurrentTime);
XChangeProperty(dpy, root, netatom[NetActiveWindow],
XA_WINDOW, 32, PropModeReplace,
(unsigned char *) &(c->win), 1);
@ -1781,6 +1869,7 @@ spawn(const Arg *arg)
if (arg->v == dmenucmd)
dmenumon[0] = '0' + selmon->num;
if (fork() == 0) {
if (dpy)
close(ConnectionNumber(dpy));
@ -1812,18 +1901,21 @@ tagmon(const Arg *arg)
if (!selmon->sel || !mons->next)
return;
int restore_fullscreen = 0;
Client *window = selmon->sel;
Monitor *m = dirtomon(arg->i);
if (window->isfullscreen) {
setfullscreen(window, 0);
restore_fullscreen = 1;
}
if ((m->sel && m->sel->isfullscreen))
return;
sendmon(window, dirtomon(arg->i));
Client *c = selmon->sel;
int restore = c->isfullscreen;
if (restore_fullscreen)
setfullscreen(window, 1);
if (restore)
setfullscreen(c, 0);
sendmon(c, m);
if (restore)
setfullscreen(c, 1);
}
void
@ -1898,7 +1990,7 @@ unfocus(Client *c, int setfocus)
grabbuttons(c, 0);
XSetWindowBorder(dpy, c->win, scheme[SchemeNorm][ColBorder].pixel);
if (setfocus) {
XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
XSetInputFocus(dpy, root, RevertToNone, CurrentTime);
XDeleteProperty(dpy, root, netatom[NetActiveWindow]);
}
}
@ -1909,6 +2001,20 @@ unmanage(Client *c, int destroyed)
Monitor *m = c->mon;
XWindowChanges wc;
if (c->swallowing) {
unswallow(c);
return;
}
Client *s = swallowingclient(c->win);
if (s) {
free(s->swallowing);
s->swallowing = NULL;
arrange(m);
focus(NULL);
return;
}
detach(c);
detachstack(c);
if (!destroyed) {
@ -1924,9 +2030,12 @@ unmanage(Client *c, int destroyed)
XUngrabServer(dpy);
}
free(c);
focus(NULL);
updateclientlist();
arrange(m);
if (!s) {
arrange(m);
focus(NULL);
updateclientlist();
}
}
void
@ -2197,6 +2306,136 @@ view(const Arg *arg)
arrange(selmon);
}
pid_t
winpid(Window w)
{
pid_t result = 0;
#ifdef __linux__
xcb_res_client_id_spec_t spec = {0};
spec.client = w;
spec.mask = XCB_RES_CLIENT_ID_MASK_LOCAL_CLIENT_PID;
xcb_generic_error_t *e = NULL;
xcb_res_query_client_ids_cookie_t c = xcb_res_query_client_ids(xcon, 1, &spec);
xcb_res_query_client_ids_reply_t *r = xcb_res_query_client_ids_reply(xcon, c, &e);
if (!r)
return (pid_t)0;
xcb_res_client_id_value_iterator_t i = xcb_res_query_client_ids_ids_iterator(r);
for (; i.rem; xcb_res_client_id_value_next(&i)) {
spec = i.data->spec;
if (spec.mask & XCB_RES_CLIENT_ID_MASK_LOCAL_CLIENT_PID) {
uint32_t *t = xcb_res_client_id_value_value(i.data);
result = *t;
break;
}
}
free(r);
if (result == (pid_t)-1)
result = 0;
#endif /* __linux__ */
#ifdef __OpenBSD__
Atom type;
int format;
unsigned long len, bytes;
unsigned char *prop;
pid_t ret;
if (XGetWindowProperty(dpy, w, XInternAtom(dpy, "_NET_WM_PID", 0), 0, 1, False, AnyPropertyType, &type, &format, &len, &bytes, &prop) != Success || !prop)
return 0;
ret = *(pid_t*)prop;
XFree(prop);
result = ret;
#endif /* __OpenBSD__ */
return result;
}
pid_t
getparentprocess(pid_t p)
{
unsigned int v = 0;
#ifdef __linux__
FILE *f;
char buf[256];
snprintf(buf, sizeof(buf) - 1, "/proc/%u/stat", (unsigned)p);
if (!(f = fopen(buf, "r")))
return 0;
fscanf(f, "%*u %*s %*c %u", &v);
fclose(f);
#endif /* __linux__*/
#ifdef __OpenBSD__
int n;
kvm_t *kd;
struct kinfo_proc *kp;
kd = kvm_openfiles(NULL, NULL, NULL, KVM_NO_FILES, NULL);
if (!kd)
return 0;
kp = kvm_getprocs(kd, KERN_PROC_PID, p, sizeof(*kp), &n);
v = kp->p_ppid;
#endif /* __OpenBSD__ */
return (pid_t)v;
}
int
isdescprocess(pid_t p, pid_t c)
{
while (p != c && c != 0)
c = getparentprocess(c);
return (int)c;
}
Client *
termforwin(const Client *w)
{
Client *c;
Monitor *m;
if (!w->pid || w->isterminal)
return NULL;
for (m = mons; m; m = m->next) {
for (c = m->clients; c; c = c->next) {
if (c->isterminal && !c->swallowing && c->pid && isdescprocess(c->pid, w->pid))
return c;
}
}
return NULL;
}
Client *
swallowingclient(Window w)
{
Client *c;
Monitor *m;
for (m = mons; m; m = m->next) {
for (c = m->clients; c; c = c->next) {
if (c->swallowing && c->swallowing->win == w)
return c;
}
}
return NULL;
}
Client *
wintoclient(Window w)
{
@ -2323,10 +2562,12 @@ main(int argc, char *argv[])
fputs("warning: no locale support\n", stderr);
if (!(dpy = XOpenDisplay(NULL)))
die("dwm: cannot open display");
if (!(xcon = XGetXCBConnection(dpy)))
die("dwm: cannot get xcb connection\n");
checkotherwm();
setup();
#ifdef __OpenBSD__
if (pledge("stdio rpath proc exec", NULL) == -1)
if (pledge("stdio rpath proc exec ps", NULL) == -1)
die("pledge");
#endif /* __OpenBSD__ */
scan();