[wiki] [sites] Upadated swallow to work on a new copy of dwm. Removed scanner variable in dwm.c, corrected improper capitalization in config.def.h || jmanabc

From: <git_AT_suckless.org>
Date: Wed, 08 Jul 2020 03:46:55 +0200

commit ce3c9ef6de0cb1975c3f85bdc8e39d874994340f
Author: jmanabc <jdwilkesx_AT_gmail.com>
Date: Tue Jul 7 21:44:56 2020 -0400

    Upadated swallow to work on a new copy of dwm. Removed scanner variable
    in dwm.c, corrected improper capitalization in config.def.h

diff --git a/dwm.suckless.org/patches/swallow/dwm-swallow-20200707-8d1e703.diff b/dwm.suckless.org/patches/swallow/dwm-swallow-20200707-8d1e703.diff
new file mode 100644
index 00000000..a4708fab
--- /dev/null
+++ b/dwm.suckless.org/patches/swallow/dwm-swallow-20200707-8d1e703.diff
_AT_@ -0,0 +1,367 @@
+From 8d1e7039c239619bee159e07e32b8d49837bf445 Mon Sep 17 00:00:00 2001
+From: jmanabc <jdwilkesx_AT_gmail.com>
+Date: Tue, 7 Jul 2020 21:24:56 -0400
+Subject: [PATCH] Fixed swallowing by removing scanner variable from dwm.c and
+ corrected capitalization in config.def.h
+
+---
+ config.def.h | 9 ++-
+ config.mk | 2 +-
+ dwm.c | 196 +++++++++++++++++++++++++++++++++++++++++++++++++--
+ 3 files changed, 198 insertions(+), 9 deletions(-)
+
+diff --git a/config.def.h b/config.def.h
+index 1c0b587..fe51476 100644
+--- a/config.def.h
++++ b/config.def.h
+_AT_@ -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" };
+_AT_@ -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..b77641d 100644
+--- a/config.mk
++++ b/config.mk
+_AT_@ -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} ${FREETYPELIBS} -lX11-xcb -lxcb -lxcb-res
+
+ # flags
+ CPPFLAGS = -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_POSIX_C_SOURCE=200809L -DVERSION=\"${VERSION}\" ${XINERAMAFLAGS}
+diff --git a/dwm.c b/dwm.c
+index 9fd0286..c58de28 100644
+--- a/dwm.c
++++ b/dwm.c
+_AT_@ -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"
+_AT_@ -92,9 +94,11 @@ 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;
+ };
+_AT_@ -138,6 +142,8 @@ typedef struct {
+ const char *title;
+ unsigned int tags;
+ int isfloating;
++ int isterminal;
++ int noswallow;
+ int monitor;
+ } Rule;
+
+_AT_@ -235,6 +241,12 @@ 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];
+_AT_@ -269,6 +281,8 @@ 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"
+
+_AT_@ -298,6 +312,8 @@ 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);
+_AT_@ -414,6 +430,53 @@ 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)
+ {
+_AT_@ -653,6 +716,9 @@ destroynotify(XEvent *e)
+
+ if ((c = wintoclient(ev->window)))
+ unmanage(c, 1);
++
++ else if ((c = swallowingclient(ev->window)))
++ unmanage(c->swallowing, 1);
+ }
+
+ void
+_AT_@ -1018,12 +1084,13 @@ 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;
+_AT_@ -1038,6 +1105,7 @@ 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)
+_AT_@ -1074,6 +1142,8 @@ manage(Window w, XWindowAttributes *wa)
+ c->mon->sel = c;
+ arrange(c->mon);
+ XMapWindow(dpy, c->win);
++ if (term)
++ swallow(term, c);
+ focus(NULL);
+ }
+
+_AT_@ -1768,6 +1838,20 @@ 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) {
+_AT_@ -1782,9 +1866,12 @@ unmanage(Client *c, int destroyed)
+ XUngrabServer(dpy);
+ }
+ free(c);
+- focus(NULL);
+- updateclientlist();
+- arrange(m);
++
++ if (!s) {
++ arrange(m);
++ focus(NULL);
++ updateclientlist();
++ }
+ }
+
+ void
+_AT_@ -2047,6 +2134,103 @@ 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)
+ {
+_AT_@ -2138,6 +2322,8 @@ main(int argc, char *argv[])
+ fputs("warning: no locale support
", stderr);
+ if (!(dpy = XOpenDisplay(NULL)))
+ die("dwm: cannot open display");
++ if (!(xcon = XGetXCBConnection(dpy)))
++ die("dwm: cannot get xcb connection
");
+ checkotherwm();
+ setup();
+ #ifdef __OpenBSD__
+--
+2.27.0
+
Received on Wed Jul 08 2020 - 03:46:55 CEST