downdated swallow patch

This commit is contained in:
mrsu 2024-06-14 14:20:05 +01:00
parent 27b5aab265
commit 72b95433c7
4 changed files with 579 additions and 17 deletions

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@ -66,14 +66,14 @@ static Sp scratchpads[] = {
/* tagging */ /* tagging */
static const char *tags[] = { "1", "2", "3", "4", "5", "6", "7", "8", "9" }; static const char *tags[] = { "1", "2", "3", "4", "5", "6", "7", "8", "9" };
static const Rule rules[] = { static const Rule rules[] = {
/* class instance title tags mask isfloating monitor */ /* class instance title tags mask isfloating isterminal noswallow monitor */
{ NULL, "spterm0", NULL, SPTAG(0), 1, -1 }, { NULL, "spterm0", NULL, SPTAG(0), 1, 1, 0, -1 },
{ NULL, "spterm1", NULL, SPTAG(1), 1, -1 }, { NULL, "spterm1", NULL, SPTAG(1), 1, 1, 0, -1 },
{ NULL, "spterm2", NULL, SPTAG(2), 1, -1 }, { NULL, "spterm2", NULL, SPTAG(2), 1, 1, 0, -1 },
{ NULL, "spterm3", NULL, SPTAG(3), 1, -1 }, { NULL, "spterm3", NULL, SPTAG(3), 1, 1, 0, -1 },
{ NULL, "spterm4", NULL, SPTAG(4), 1, -1 }, { NULL, "spterm4", NULL, SPTAG(4), 1, 1, 0, -1 },
{ NULL, "spterm5", NULL, SPTAG(5), 1, -1 }, { NULL, "spterm5", NULL, SPTAG(5), 1, 1, 0, -1 },
{ NULL, "spterm6", NULL, SPTAG(6), 1, -1 }, { NULL, "spterm6", NULL, SPTAG(6), 1, 1, 0, -1 },
}; };

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@ -23,7 +23,7 @@ FREETYPEINC = /usr/include/freetype2
# includes and libs # includes and libs
INCS = -I${X11INC} -I${FREETYPEINC} INCS = -I${X11INC} -I${FREETYPEINC}
LIBS = -L${X11LIB} -lX11 ${XINERAMALIBS} ${FREETYPELIBS} LIBS = -L${X11LIB} -lX11 ${XINERAMALIBS} ${FREETYPELIBS} -lX11-xcb -lxcb -lxcb-res
# flags # flags
CPPFLAGS = -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_XOPEN_SOURCE=700L -DVERSION=\"${VERSION}\" ${XINERAMAFLAGS} CPPFLAGS = -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_XOPEN_SOURCE=700L -DVERSION=\"${VERSION}\" ${XINERAMAFLAGS}

197
dwm.c
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@ -40,6 +40,8 @@
#include <X11/extensions/Xinerama.h> #include <X11/extensions/Xinerama.h>
#endif /* XINERAMA */ #endif /* XINERAMA */
#include <X11/Xft/Xft.h> #include <X11/Xft/Xft.h>
#include <X11/Xlib-xcb.h>
#include <xcb/res.h>
#include "drw.h" #include "drw.h"
#include "util.h" #include "util.h"
@ -95,9 +97,11 @@ struct Client {
int basew, baseh, incw, inch, maxw, maxh, minw, minh, hintsvalid; int basew, baseh, incw, inch, maxw, maxh, minw, minh, hintsvalid;
int bw, oldbw; int bw, oldbw;
unsigned int tags; 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 *next;
Client *snext; Client *snext;
Client *swallowing;
Monitor *mon; Monitor *mon;
Window win; Window win;
}; };
@ -142,6 +146,8 @@ typedef struct {
const char *title; const char *title;
unsigned int tags; unsigned int tags;
int isfloating; int isfloating;
int isterminal;
int noswallow;
int monitor; int monitor;
} Rule; } Rule;
@ -173,6 +179,7 @@ static void focus(Client *c);
static void focusin(XEvent *e); static void focusin(XEvent *e);
static void focusmon(const Arg *arg); static void focusmon(const Arg *arg);
static void focusstack(const Arg *arg); static void focusstack(const Arg *arg);
static pid_t getparentprocess(pid_t p);
static Atom getatomprop(Client *c, Atom prop); static Atom getatomprop(Client *c, Atom prop);
static int getrootptr(int *x, int *y); static int getrootptr(int *x, int *y);
static long getstate(Window w); static long getstate(Window w);
@ -180,6 +187,7 @@ static int gettextprop(Window w, Atom atom, char *text, unsigned int size);
static void grabbuttons(Client *c, int focused); static void grabbuttons(Client *c, int focused);
static void grabkeys(void); static void grabkeys(void);
static void incnmaster(const Arg *arg); static void incnmaster(const Arg *arg);
static int isdescprocess(pid_t p, pid_t c);
static void keypress(XEvent *e); static void keypress(XEvent *e);
static void killclient(const Arg *arg); static void killclient(const Arg *arg);
static void manage(Window w, XWindowAttributes *wa); static void manage(Window w, XWindowAttributes *wa);
@ -213,8 +221,10 @@ static void showhide(Client *c);
static void sighup(int unused); static void sighup(int unused);
static void sigterm(int unused); static void sigterm(int unused);
static void spawn(const Arg *arg); static void spawn(const Arg *arg);
static Client *swallowingclient(Window w);
static void tag(const Arg *arg); static void tag(const Arg *arg);
static void tagmon(const Arg *arg); static void tagmon(const Arg *arg);
static Client *termforwin(const Client *c);
static void tile(Monitor *m); static void tile(Monitor *m);
static void togglebar(const Arg *arg); static void togglebar(const Arg *arg);
static void togglefloating(const Arg *arg); static void togglefloating(const Arg *arg);
@ -235,6 +245,7 @@ static void updatetitle(Client *c);
static void updatewindowtype(Client *c); static void updatewindowtype(Client *c);
static void updatewmhints(Client *c); static void updatewmhints(Client *c);
static void view(const Arg *arg); static void view(const Arg *arg);
static pid_t winpid(Window w);
static Client *wintoclient(Window w); static Client *wintoclient(Window w);
static Monitor *wintomon(Window w); static Monitor *wintomon(Window w);
static int xerror(Display *dpy, XErrorEvent *ee); static int xerror(Display *dpy, XErrorEvent *ee);
@ -277,6 +288,8 @@ static Drw *drw;
static Monitor *mons, *selmon; static Monitor *mons, *selmon;
static Window root, wmcheckwin; static Window root, wmcheckwin;
static xcb_connection_t *xcon;
/* configuration, allows nested code to access above variables */ /* configuration, allows nested code to access above variables */
#include "config.h" #include "config.h"
@ -306,6 +319,7 @@ applyrules(Client *c)
&& (!r->class || strstr(class, r->class)) && (!r->class || strstr(class, r->class))
&& (!r->instance || strstr(instance, r->instance))) && (!r->instance || strstr(instance, r->instance)))
{ {
c->isterminal = r->isterminal;
c->isfloating = r->isfloating; c->isfloating = r->isfloating;
c->tags |= r->tags; c->tags |= r->tags;
if ((r->tags & SPTAGMASK) && r->isfloating) { if ((r->tags & SPTAGMASK) && r->isfloating) {
@ -429,6 +443,47 @@ attachstack(Client *c)
c->mon->stack = c; c->mon->stack = c;
} }
void
swallow(Client *p, Client *c)
{
if (c->noswallow || c->isterminal)
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);
arrange(p->mon);
XMoveResizeWindow(dpy, p->win, p->x, p->y, p->w, p->h);
configure(p);
updateclientlist();
}
void
unswallow(Client *c)
{
c->win = c->swallowing->win;
free(c->swallowing);
c->swallowing = NULL;
updatetitle(c);
arrange(c->mon);
XMapWindow(dpy, c->win);
XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h);
configure(c);
setclientstate(c, NormalState);
}
void void
buttonpress(XEvent *e) buttonpress(XEvent *e)
{ {
@ -494,7 +549,7 @@ cleanup(void)
selmon->lt[selmon->sellt] = &foo; selmon->lt[selmon->sellt] = &foo;
for (m = mons; m; m = m->next) for (m = mons; m; m = m->next)
while (m->stack) while (m->stack)
unmanage(m->stack, 0); unmanage(m->stack, 0); // XXX - unmanage swallowing windows too
XUngrabKey(dpy, AnyKey, AnyModifier, root); XUngrabKey(dpy, AnyKey, AnyModifier, root);
while (mons) while (mons)
cleanupmon(mons); cleanupmon(mons);
@ -670,6 +725,9 @@ destroynotify(XEvent *e)
if ((c = wintoclient(ev->window))) if ((c = wintoclient(ev->window)))
unmanage(c, 1); unmanage(c, 1);
else if ((c = swallowingclient(ev->window)))
unmanage(c->swallowing, 1);
} }
void void
@ -1046,12 +1104,13 @@ killclient(const Arg *arg)
void void
manage(Window w, XWindowAttributes *wa) manage(Window w, XWindowAttributes *wa)
{ {
Client *c, *t = NULL; Client *c, *t = NULL, *term = NULL;
Window trans = None; Window trans = None;
XWindowChanges wc; XWindowChanges wc;
c = ecalloc(1, sizeof(Client)); c = ecalloc(1, sizeof(Client));
c->win = w; c->win = w;
c->pid = winpid(w);
/* geometry */ /* geometry */
c->x = c->oldx = wa->x; c->x = c->oldx = wa->x;
c->y = c->oldy = wa->y; c->y = c->oldy = wa->y;
@ -1066,6 +1125,7 @@ manage(Window w, XWindowAttributes *wa)
} else { } else {
c->mon = selmon; c->mon = selmon;
applyrules(c); applyrules(c);
term = termforwin(c);
} }
if (c->x + WIDTH(c) > c->mon->wx + c->mon->ww) if (c->x + WIDTH(c) > c->mon->wx + c->mon->ww)
@ -1100,6 +1160,8 @@ manage(Window w, XWindowAttributes *wa)
c->mon->sel = c; c->mon->sel = c;
arrange(c->mon); arrange(c->mon);
XMapWindow(dpy, c->win); XMapWindow(dpy, c->win);
if (term)
swallow(term, c);
focus(NULL); focus(NULL);
} }
@ -1921,6 +1983,20 @@ unmanage(Client *c, int destroyed)
Monitor *m = c->mon; Monitor *m = c->mon;
XWindowChanges wc; 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); detach(c);
detachstack(c); detachstack(c);
if (!destroyed) { if (!destroyed) {
@ -1936,9 +2012,12 @@ unmanage(Client *c, int destroyed)
XUngrabServer(dpy); XUngrabServer(dpy);
} }
free(c); free(c);
focus(NULL);
updateclientlist(); if (!s) {
arrange(m); arrange(m);
focus(NULL);
updateclientlist();
}
} }
void void
@ -2202,16 +2281,116 @@ view(const Arg *arg)
arrange(selmon); arrange(selmon);
} }
pid_t
winpid(Window w)
{
pid_t result = 0;
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;
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__ */
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 * Client *
wintoclient(Window w) wintoclient(Window w)
{ {
Client *c; Client *c;
Monitor *m; Monitor *m;
for (m = mons; m; m = m->next) for (m = mons; m; m = m->next) {
for (c = m->clients; c; c = c->next) for (c = m->clients; c; c = c->next) {
if (c->win == w) if (c->win == w)
return c; return c;
}
}
return NULL; return NULL;
} }
@ -2291,6 +2470,8 @@ main(int argc, char *argv[])
fputs("warning: no locale support\n", stderr); fputs("warning: no locale support\n", stderr);
if (!(dpy = XOpenDisplay(NULL))) if (!(dpy = XOpenDisplay(NULL)))
die("dwm: cannot open display"); die("dwm: cannot open display");
if (!(xcon = XGetXCBConnection(dpy)))
die("dwm: cannot get xcb connection\n");
checkotherwm(); checkotherwm();
setup(); setup();
#ifdef __OpenBSD__ #ifdef __OpenBSD__

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@ -0,0 +1,381 @@
diff --git a/config.def.h b/config.def.h
index fd77a07..69976b3 100644
--- a/config.def.h
+++ b/config.def.h
@@ -26,9 +26,10 @@ static const Rule rules[] = {
* WM_CLASS(STRING) = instance, class
* WM_NAME(STRING) = title
*/
- /* class instance title tags mask isfloating monitor */
- { "Gimp", NULL, NULL, 0, 1, -1 },
- { "Firefox", NULL, NULL, 1 << 8, 0, -1 },
+ /* class instance title tags mask isfloating isterminal noswallow monitor */
+ { "Gimp", NULL, NULL, 0, 1, 0, 0, -1 },
+ { "Firefox", NULL, NULL, 1 << 8, 0, 0, 0, -1 },
+ { "st", NULL, NULL, 0, 0, 1, 1, -1 },
};
/* layout(s) */
diff --git a/config.mk b/config.mk
index 80dc936..5ed14e3 100644
--- a/config.mk
+++ b/config.mk
@@ -22,7 +22,7 @@ FREETYPEINC = /usr/include/freetype2
# includes and libs
INCS = -I${X11INC} -I${FREETYPEINC}
-LIBS = -L${X11LIB} -lX11 ${XINERAMALIBS} ${FREETYPELIBS}
+LIBS = -L${X11LIB} -lX11 ${XINERAMALIBS} ${FREETYPELIBS} -lX11-xcb -lxcb -lxcb-res
# flags
CPPFLAGS = -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_POSIX_C_SOURCE=2 -DVERSION=\"${VERSION}\" ${XINERAMAFLAGS}
diff --git a/dwm.c b/dwm.c
index b2bc9bd..528df2f 100644
--- a/dwm.c
+++ b/dwm.c
@@ -40,6 +40,8 @@
#include <X11/extensions/Xinerama.h>
#endif /* XINERAMA */
#include <X11/Xft/Xft.h>
+#include <X11/Xlib-xcb.h>
+#include <xcb/res.h>
#include "drw.h"
#include "util.h"
@@ -93,9 +95,11 @@ struct Client {
int basew, baseh, incw, inch, maxw, maxh, minw, minh;
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;
};
@@ -139,6 +143,8 @@ typedef struct {
const char *title;
unsigned int tags;
int isfloating;
+ int isterminal;
+ int noswallow;
int monitor;
} Rule;
@@ -171,12 +177,14 @@ static void focus(Client *c);
static void focusin(XEvent *e);
static void focusmon(const Arg *arg);
static void focusstack(const Arg *arg);
+static pid_t getparentprocess(pid_t p);
static int getrootptr(int *x, int *y);
static long getstate(Window w);
static int gettextprop(Window w, Atom atom, char *text, unsigned int size);
static void grabbuttons(Client *c, int focused);
static void grabkeys(void);
static void incnmaster(const Arg *arg);
+static int isdescprocess(pid_t p, pid_t c);
static void keypress(XEvent *e);
static void killclient(const Arg *arg);
static void manage(Window w, XWindowAttributes *wa);
@@ -207,8 +215,10 @@ static void setup(void);
static void showhide(Client *c);
static void sigchld(int unused);
static void spawn(const Arg *arg);
+static Client *swallowingclient(Window w);
static void tag(const Arg *arg);
static void tagmon(const Arg *arg);
+static Client *termforwin(const Client *c);
static void tile(Monitor *);
static void togglebar(const Arg *arg);
static void togglefloating(const Arg *arg);
@@ -228,6 +238,7 @@ static void updatewindowtype(Client *c);
static void updatetitle(Client *c);
static void updatewmhints(Client *c);
static void view(const Arg *arg);
+static pid_t winpid(Window w);
static Client *wintoclient(Window w);
static Monitor *wintomon(Window w);
static int xerror(Display *dpy, XErrorEvent *ee);
@@ -269,6 +280,8 @@ static Drw *drw;
static Monitor *mons, *selmon;
static Window root;
+static xcb_connection_t *xcon;
+
/* configuration, allows nested code to access above variables */
#include "config.h"
@@ -298,6 +311,7 @@ applyrules(Client *c)
&& (!r->class || strstr(class, r->class))
&& (!r->instance || strstr(instance, r->instance)))
{
+ c->isterminal = r->isterminal;
c->isfloating = r->isfloating;
c->tags |= r->tags;
for (m = mons; m && m->num != r->monitor; m = m->next);
@@ -415,6 +429,47 @@ attachstack(Client *c)
}
void
+swallow(Client *p, Client *c)
+{
+ if (c->noswallow || c->isterminal)
+ 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);
+ arrange(p->mon);
+ XMoveResizeWindow(dpy, p->win, p->x, p->y, p->w, p->h);
+ configure(p);
+ updateclientlist();
+}
+
+void
+unswallow(Client *c)
+{
+ c->win = c->swallowing->win;
+
+ free(c->swallowing);
+ c->swallowing = NULL;
+
+ updatetitle(c);
+ arrange(c->mon);
+ XMapWindow(dpy, c->win);
+ XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h);
+ configure(c);
+ setclientstate(c, NormalState);
+}
+
+void
buttonpress(XEvent *e)
{
unsigned int i, x, click;
@@ -477,7 +531,7 @@ cleanup(void)
selmon->lt[selmon->sellt] = &foo;
for (m = mons; m; m = m->next)
while (m->stack)
- unmanage(m->stack, 0);
+ unmanage(m->stack, 0); // XXX - unmanage swallowing windows too
XUngrabKey(dpy, AnyKey, AnyModifier, root);
while (mons)
cleanupmon(mons);
@@ -665,6 +719,9 @@ destroynotify(XEvent *e)
if ((c = wintoclient(ev->window)))
unmanage(c, 1);
+
+ else if ((c = swallowingclient(ev->window)))
+ unmanage(c->swallowing, 1);
}
void
@@ -1034,12 +1091,13 @@ 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;
@@ -1054,6 +1112,7 @@ manage(Window w, XWindowAttributes *wa)
} else {
c->mon = selmon;
applyrules(c);
+ term = termforwin(c);
}
if (c->x + WIDTH(c) > c->mon->mx + c->mon->mw)
@@ -1090,6 +1149,8 @@ manage(Window w, XWindowAttributes *wa)
c->mon->sel = c;
arrange(c->mon);
XMapWindow(dpy, c->win);
+ if (term)
+ swallow(term, c);
focus(NULL);
}
@@ -1757,6 +1818,20 @@ 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;
+ }
+
/* The server grab construct avoids race conditions. */
detach(c);
detachstack(c);
@@ -1772,9 +1847,12 @@ unmanage(Client *c, int destroyed)
XUngrabServer(dpy);
}
free(c);
- focus(NULL);
- updateclientlist();
- arrange(m);
+
+ if (!s) {
+ arrange(m);
+ focus(NULL);
+ updateclientlist();
+ }
}
void
@@ -2039,16 +2117,116 @@ view(const Arg *arg)
arrange(selmon);
}
+pid_t
+winpid(Window w)
+{
+ pid_t result = 0;
+
+ 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;
+ 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__ */
+
+ 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)
{
Client *c;
Monitor *m;
- for (m = mons; m; m = m->next)
- for (c = m->clients; c; c = c->next)
+ for (m = mons; m; m = m->next) {
+ for (c = m->clients; c; c = c->next) {
if (c->win == w)
return c;
+ }
+ }
+
return NULL;
}
@@ -2130,6 +2308,8 @@ main(int argc, char *argv[])
fputs("warning: no locale support\n", stderr);
if (!(dpy = XOpenDisplay(NULL)))
die("dwm: cannot open display\n");
+ if (!(xcon = XGetXCBConnection(dpy)))
+ die("dwm: cannot get xcb connection\n");
checkotherwm();
setup();
scan();