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added window swallowing

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This commit is contained in:
Noah Swerhun 2020-10-06 22:59:31 -05:00
parent f280b79be2
commit d4f7b19977
7 changed files with 665 additions and 20 deletions
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9
config.def.h
View file

@ -8,6 +8,7 @@ static const unsigned int gappiv = 10; /* vert inner gap between window
static const unsigned int gappoh = 10; /* horiz outer gap between windows and screen edge */
static const unsigned int gappov = 30; /* vert outer gap between windows and screen edge */
static int smartgaps = 0; /* 1 means no outer gap when there is only one window */
static const int swallowfloating = 0; /* 1 means swallow floating windows by default */
static const int showbar = 1; /* 0 means no bar */
static const int topbar = 1; /* 0 means bottom bar */
static const char *fonts[] = { "monospace:size=10" };
@ -31,9 +32,11 @@ 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, -1, -1 },
{ "St", NULL, NULL, 0, 0, 1, 0, -1 },
{ NULL, NULL, "Event Tester", 0, 0, 0, 1, -1 }, /* xev */
};
/* layout(s) */

25
config.h
View file

@ -1,5 +1,7 @@
/* See LICENSE file for copyright and license details. */
#define TERMCLASS "st-256color"
/* appearance */
static const unsigned int borderpx = 1; /* border pixel of windows */
static const unsigned int snap = 32; /* snap pixel */
@ -10,6 +12,7 @@ static const unsigned int gappiv = 5; /* vert inner gap between window
static const unsigned int gappoh = 5; /* horiz outer gap between windows and screen edge */
static const unsigned int gappov = 5; /* vert outer gap between windows and screen edge */
static int smartgaps = 0; /* 1 means no outer gap when there is only one window */
static const int swallowfloating = 0; /* 1 means swallow floating windows by default */
static const char *fonts[] = { "Roboto Mono:size=10", "Joypixels:size=10" };
static const char dmenufont[] = "Roboto Mono:size=10";
static const char col_gray1[] = "#222222";
@ -24,20 +27,22 @@ static const char *colors[][3] = {
};
/* tagging */
static const char *tags[] = { "1", "2", "3", "4", "5", "6", "7", "8", "9" };
static const char *tags[] = { "I", "II", "III", "IV", "V", "VI", "VII", "VIII", "IX" };
static const Rule rules[] = {
/* xprop(1):
* 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, -1, -1 },
{ TERMCLASS, NULL, NULL, 0, 0, 1, 0, -1 },
{ NULL, NULL, "Event Tester", 0, 0, 0, 1, -1 }, /* xev */
};
/* layout(s) */
static const float mfact = 0.55; /* factor of master area size [0.05..0.95] */
static const float mfact = 0.5; /* factor of master area size [0.05..0.95] */
static const int nmaster = 1; /* number of clients in master area */
static const int resizehints = 0; /* 1 means respect size hints in tiled resizals */
@ -46,11 +51,11 @@ static const int resizehints = 0; /* 1 means respect size hints in tiled resi
static const Layout layouts[] = {
/* symbol arrange function */
{ "[]=", tile }, /* first entry is default */
{ "[M]", monocle },
{ "[@]", spiral },
{ "[\\]", dwindle },
{ "[@]", spiral }, /* first entry is default */
{ "[]=", tile },
{ "H[]", deck },
{ "[M]", monocle },
{ "[\\]", dwindle },
{ "TTT", bstack },
{ "===", bstackhoriz },
{ "HHH", grid },
@ -81,7 +86,7 @@ static const Layout layouts[] = {
static char dmenumon[2] = "0"; /* component of dmenucmd, manipulated in spawn() */
static const char *dmenucmd[] = { "dmenu_run", "-m", dmenumon, "-fn", dmenufont, "-nb", col_gray1, "-nf", col_gray3, "-sb", col_cyan, "-sf", col_gray4, NULL };
static const char *termcmd[] = { "st", NULL };
static const char *browser[] = { "waterfox-classic", NULL };
static const char *browser[] = { "waterfox-current", NULL };
static const char *passmenu[] = { "passmenu", "-m", dmenumon, "-fn", dmenufont, "-nb", col_gray1, "-nf", col_gray3, "-sb", col_cyan, "-sf", col_gray4, "-l", "5", "-i", NULL };
static const char *scrotselection[] = { "sleep", "0.5", "&&", "scrot", "-s", "~/pics/screenshots/%Y-%m-%d-%s%w%h.jpg", NULL };
static const char *manmenu[] = { "manmenu", NULL };

3
config.mk
View file

@ -19,10 +19,11 @@ FREETYPELIBS = -lfontconfig -lXft
FREETYPEINC = /usr/include/freetype2
# OpenBSD (uncomment)
#FREETYPEINC = ${X11INC}/freetype2
#KVMLIB = -lkvm
# includes and libs
INCS = -I${X11INC} -I${FREETYPEINC}
LIBS = -L${X11LIB} -lX11 ${XINERAMALIBS} ${FREETYPELIBS}
LIBS = -L${X11LIB} -lX11 ${XINERAMALIBS} ${FREETYPELIBS} -lX11-xcb -lxcb -lxcb-res ${KVMLIB}
# flags
CPPFLAGS = -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_POSIX_C_SOURCE=2 -DVERSION=\"${VERSION}\" ${XINERAMAFLAGS}

BIN
dwm
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412
dwm-swallow-20200807-b2de9b0.diff Normal file
View file

@ -0,0 +1,412 @@
From b2de9b0fd7988241db516a8f032f26cb9cf32be1 Mon Sep 17 00:00:00 2001
From: Ben <ben@0x1bi.net>
Date: Fri, 7 Aug 2020 20:14:29 -0400
Subject: [PATCH] added openbsd support for swallowing
---
config.def.h | 9 +-
config.mk | 3 +-
dwm.c | 235 +++++++++++++++++++++++++++++++++++++++++++++++++--
3 files changed, 237 insertions(+), 10 deletions(-)
diff --git a/config.def.h b/config.def.h
index 1c0b587..fe51476 100644
--- a/config.def.h
+++ b/config.def.h
@@ -3,6 +3,7 @@
/* appearance */
static const unsigned int borderpx = 1; /* border pixel of windows */
static const unsigned int snap = 32; /* snap pixel */
+static const int swallowfloating = 0; /* 1 means swallow floating windows by default */
static const int showbar = 1; /* 0 means no bar */
static const int topbar = 1; /* 0 means bottom bar */
static const char *fonts[] = { "monospace:size=10" };
@@ -26,9 +27,11 @@ 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, -1, -1 },
+ { "St", NULL, NULL, 0, 0, 1, 0, -1 },
+ { NULL, NULL, "Event Tester", 0, 0, 0, 1, -1 }, /* xev */
};
/* layout(s) */
diff --git a/config.mk b/config.mk
index 7084c33..ff9e508 100644
--- a/config.mk
+++ b/config.mk
@@ -19,10 +19,11 @@ FREETYPELIBS = -lfontconfig -lXft
FREETYPEINC = /usr/include/freetype2
# OpenBSD (uncomment)
#FREETYPEINC = ${X11INC}/freetype2
+#KVMLIB = -lkvm
# includes and libs
INCS = -I${X11INC} -I${FREETYPEINC}
-LIBS = -L${X11LIB} -lX11 ${XINERAMALIBS} ${FREETYPELIBS}
+LIBS = -L${X11LIB} -lX11 ${XINERAMALIBS} ${FREETYPELIBS} -lX11-xcb -lxcb -lxcb-res ${KVMLIB}
# flags
CPPFLAGS = -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_POSIX_C_SOURCE=200809L -DVERSION=\"${VERSION}\" ${XINERAMAFLAGS}
diff --git a/dwm.c b/dwm.c
index 9fd0286..e9f08f7 100644
--- a/dwm.c
+++ b/dwm.c
@@ -40,6 +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 +98,11 @@ 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;
};
@@ -138,6 +146,8 @@ typedef struct {
const char *title;
unsigned int tags;
int isfloating;
+ int isterminal;
+ int noswallow;
int monitor;
} Rule;
@@ -235,6 +245,12 @@ static int xerrordummy(Display *dpy, XErrorEvent *ee);
static int xerrorstart(Display *dpy, XErrorEvent *ee);
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];
@@ -269,6 +285,8 @@ static Drw *drw;
static Monitor *mons, *selmon;
static Window root, wmcheckwin;
+static xcb_connection_t *xcon;
+
/* configuration, allows nested code to access above variables */
#include "config.h"
@@ -298,6 +316,8 @@ 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);
@@ -414,6 +434,53 @@ 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)
{
@@ -653,6 +720,9 @@ destroynotify(XEvent *e)
if ((c = wintoclient(ev->window)))
unmanage(c, 1);
+
+ else if ((c = swallowingclient(ev->window)))
+ unmanage(c->swallowing, 1);
}
void
@@ -1018,12 +1088,13 @@ 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;
@@ -1038,6 +1109,7 @@ 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)
@@ -1074,6 +1146,8 @@ manage(Window w, XWindowAttributes *wa)
c->mon->sel = c;
arrange(c->mon);
XMapWindow(dpy, c->win);
+ if (term)
+ swallow(term, c);
focus(NULL);
}
@@ -1768,6 +1842,20 @@ 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) {
@@ -1782,9 +1870,12 @@ unmanage(Client *c, int destroyed)
XUngrabServer(dpy);
}
free(c);
- focus(NULL);
- updateclientlist();
- arrange(m);
+
+ if (!s) {
+ arrange(m);
+ focus(NULL);
+ updateclientlist();
+ }
}
void
@@ -2047,6 +2138,136 @@ 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", 1), 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)
{
@@ -2138,10 +2359,12 @@ 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();
--
2.26.2

232
dwm.c
View file

@ -40,6 +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 +98,11 @@ 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;
};
@ -142,6 +150,8 @@ typedef struct {
const char *title;
unsigned int tags;
int isfloating;
int isterminal;
int noswallow;
int monitor;
} Rule;
@ -237,6 +247,12 @@ static int xerrordummy(Display *dpy, XErrorEvent *ee);
static int xerrorstart(Display *dpy, XErrorEvent *ee);
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];
@ -271,6 +287,8 @@ static Drw *drw;
static Monitor *mons, *selmon;
static Window root, wmcheckwin;
static xcb_connection_t *xcon;
/* configuration, allows nested code to access above variables */
#include "config.h"
@ -300,6 +318,8 @@ 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);
@ -416,6 +436,53 @@ 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)
{
@ -659,6 +726,9 @@ destroynotify(XEvent *e)
if ((c = wintoclient(ev->window)))
unmanage(c, 1);
else if ((c = swallowingclient(ev->window)))
unmanage(c->swallowing, 1);
}
void
@ -1024,12 +1094,13 @@ 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;
@ -1044,6 +1115,7 @@ 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)
@ -1080,6 +1152,9 @@ manage(Window w, XWindowAttributes *wa)
c->mon->sel = c;
arrange(c->mon);
XMapWindow(dpy, c->win);
if (term) {
swallow(term, c);
}
focus(NULL);
}
@ -1746,6 +1821,20 @@ 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) {
@ -1760,9 +1849,11 @@ unmanage(Client *c, int destroyed)
XUngrabServer(dpy);
}
free(c);
if (!s) {
arrange(m);
focus(NULL);
updateclientlist();
arrange(m);
}
}
void
@ -2025,6 +2116,136 @@ 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", 1), 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)
{
@ -2116,10 +2337,13 @@ 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();

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dwm.o
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