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patches/dwm/dwm-swallow-riodraw-6.2_full.diff

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From f7ca16b6b30fa4759dd05155ea61af811f050ba2 Mon Sep 17 00:00:00 2001
From: bakkeby <bakkeby@gmail.com>
Date: Fri, 29 Jan 2021 19:29:59 +0100
Subject: [PATCH 1/2] Alternative swallow patch that replaces clients instead
of swapping windows offering better resize hints
---
config.def.h | 9 +-
config.mk | 6 +-
dwm.c | 300 +++++++++++++++++++++++++++++++++++++++++++++++----
3 files changed, 288 insertions(+), 27 deletions(-)
diff --git a/config.def.h b/config.def.h
index 1c0b587..392ae32 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 6d36cb7..e65c09a 100644
--- a/config.mk
+++ b/config.mk
@@ -19,10 +19,14 @@ FREETYPELIBS = -lfontconfig -lXft
FREETYPEINC = /usr/include/freetype2
# OpenBSD (uncomment)
#FREETYPEINC = ${X11INC}/freetype2
+#KVMLIB = -lkvm
+
+# This is needed for the swallow patch
+XCBLIBS = -lX11-xcb -lxcb -lxcb-res
# includes and libs
INCS = -I${X11INC} -I${FREETYPEINC}
-LIBS = -L${X11LIB} -lX11 ${XINERAMALIBS} ${FREETYPELIBS}
+LIBS = -L${X11LIB} -lX11 ${XINERAMALIBS} ${FREETYPELIBS} ${XCBLIBS} ${KVMLIB}
# flags
CPPFLAGS = -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_POSIX_C_SOURCE=2 -DVERSION=\"${VERSION}\" ${XINERAMAFLAGS}
diff --git a/dwm.c b/dwm.c
index 4465af1..d55c2f5 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 +98,12 @@ 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;
+ int ignorecfgreqpos, ignorecfgreqsize;
+ pid_t pid;
Client *next;
Client *snext;
+ Client *swallowing;
Monitor *mon;
Window win;
};
@@ -138,6 +147,8 @@ typedef struct {
const char *title;
unsigned int tags;
int isfloating;
+ int isterminal;
+ int noswallow;
int monitor;
} Rule;
@@ -188,6 +199,7 @@ static void pop(Client *);
static void propertynotify(XEvent *e);
static void quit(const Arg *arg);
static Monitor *recttomon(int x, int y, int w, int h);
+static void replaceclient(Client *old, Client *new);
static void resize(Client *c, int x, int y, int w, int h, int interact);
static void resizeclient(Client *c, int x, int y, int w, int h);
static void resizemouse(const Arg *arg);
@@ -234,6 +246,14 @@ static int xerrordummy(Display *dpy, XErrorEvent *ee);
static int xerrorstart(Display *dpy, XErrorEvent *ee);
static void zoom(const Arg *arg);
+static int swallow(Client *p, Client *c);
+static void unswallow(Client *c);
+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];
@@ -267,6 +287,7 @@ static Display *dpy;
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"
@@ -297,6 +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);
@@ -587,22 +610,29 @@ configurerequest(XEvent *e)
if (ev->value_mask & CWBorderWidth)
c->bw = ev->border_width;
else if (c->isfloating || !selmon->lt[selmon->sellt]->arrange) {
+ if (c->ignorecfgreqpos && c->ignorecfgreqsize)
+ return;
+
m = c->mon;
- if (ev->value_mask & CWX) {
- c->oldx = c->x;
- c->x = m->mx + ev->x;
- }
- if (ev->value_mask & CWY) {
- c->oldy = c->y;
- c->y = m->my + ev->y;
- }
- if (ev->value_mask & CWWidth) {
- c->oldw = c->w;
- c->w = ev->width;
+ if (!c->ignorecfgreqpos) {
+ if (ev->value_mask & CWX) {
+ c->oldx = c->x;
+ c->x = m->mx + ev->x;
+ }
+ if (ev->value_mask & CWY) {
+ c->oldy = c->y;
+ c->y = m->my + ev->y;
+ }
}
- if (ev->value_mask & CWHeight) {
- c->oldh = c->h;
- c->h = ev->height;
+ if (!c->ignorecfgreqsize) {
+ if (ev->value_mask & CWWidth) {
+ c->oldw = c->w;
+ c->w = ev->width;
+ }
+ if (ev->value_mask & CWHeight) {
+ c->oldh = c->h;
+ c->h = ev->height;
+ }
}
if ((c->x + c->w) > m->mx + m->mw && c->isfloating)
c->x = m->mx + (m->mw / 2 - WIDTH(c) / 2); /* center in x direction */
@@ -652,6 +682,8 @@ destroynotify(XEvent *e)
if ((c = wintoclient(ev->window)))
unmanage(c, 1);
+ else if ((c = swallowingclient(ev->window)))
+ unmanage(c->swallowing, 1);
}
void
@@ -1017,12 +1049,14 @@ 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;
+ int focusclient = 1;
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;
@@ -1037,6 +1071,7 @@ 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)
@@ -1062,18 +1097,35 @@ manage(Window w, XWindowAttributes *wa)
c->isfloating = c->oldstate = trans != None || c->isfixed;
if (c->isfloating)
XRaiseWindow(dpy, c->win);
- attach(c);
- attachstack(c);
+
+ /* Do not attach client if it is being swallowed */
+ if (term && swallow(term, c)) {
+ /* Do not let swallowed client steal focus unless the terminal has focus */
+ focusclient = (term == selmon->sel);
+ } else {
+ attach(c);
+
+ if (focusclient || !c->mon->sel || !c->mon->stack)
+ attachstack(c);
+ else {
+ c->snext = c->mon->sel->snext;
+ c->mon->sel->snext = c;
+ }
+ }
+
XChangeProperty(dpy, root, netatom[NetClientList], XA_WINDOW, 32, PropModeAppend,
(unsigned char *) &(c->win), 1);
XMoveResizeWindow(dpy, c->win, c->x + 2 * sw, c->y, c->w, c->h); /* some windows require this */
setclientstate(c, NormalState);
- if (c->mon == selmon)
- unfocus(selmon->sel, 0);
- c->mon->sel = c;
+ if (focusclient) {
+ if (c->mon == selmon)
+ unfocus(selmon->sel, 0);
+ c->mon->sel = c;
+ }
arrange(c->mon);
XMapWindow(dpy, c->win);
- focus(NULL);
+ if (focusclient)
+ focus(NULL);
}
void
@@ -1265,6 +1317,46 @@ recttomon(int x, int y, int w, int h)
return r;
}
+void
+replaceclient(Client *old, Client *new)
+{
+ Client *c = NULL;
+ Monitor *mon = old->mon;
+
+ new->mon = mon;
+ new->tags = old->tags;
+ new->isfloating = old->isfloating;
+
+ new->next = old->next;
+ new->snext = old->snext;
+
+ if (old == mon->clients)
+ mon->clients = new;
+ else {
+ for (c = mon->clients; c && c->next != old; c = c->next);
+ c->next = new;
+ }
+
+ if (old == mon->stack)
+ mon->stack = new;
+ else {
+ for (c = mon->stack; c && c->snext != old; c = c->snext);
+ c->snext = new;
+ }
+
+ old->next = NULL;
+ old->snext = NULL;
+
+ XMoveWindow(dpy, old->win, WIDTH(old) * -2, old->y);
+
+ if (ISVISIBLE(new) && !new->isfullscreen) {
+ if (new->isfloating)
+ resize(new, old->x, old->y, new->w - 2*new->bw, new->h - 2*new->bw, 0);
+ else
+ resize(new, old->x, old->y, old->w - 2*new->bw, old->h - 2*new->bw, 0);
+ }
+}
+
void
resize(Client *c, int x, int y, int w, int h, int interact)
{
@@ -1652,6 +1744,31 @@ spawn(const Arg *arg)
}
}
+int
+swallow(Client *t, Client *c)
+{
+ if (c->noswallow || c->isterminal)
+ return 0;
+ if (!swallowfloating && c->isfloating)
+ return 0;
+
+ if (t->isfullscreen)
+ setfullscreen(c, 1);
+
+ replaceclient(t, c);
+ c->ignorecfgreqpos = 1;
+ c->swallowing = t;
+
+ return 1;
+}
+
+void
+unswallow(Client *c)
+{
+ replaceclient(c, c->swallowing);
+ c->swallowing = NULL;
+}
+
void
tag(const Arg *arg)
{
@@ -1762,9 +1879,17 @@ unfocus(Client *c, int setfocus)
void
unmanage(Client *c, int destroyed)
{
+ Client *s;
Monitor *m = c->mon;
XWindowChanges wc;
+ if (c->swallowing)
+ unswallow(c);
+
+ s = swallowingclient(c->win);
+ if (s)
+ s->swallowing = NULL;
+
detach(c);
detachstack(c);
if (!destroyed) {
@@ -2044,6 +2169,133 @@ 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)
{
@@ -2135,10 +2387,12 @@ 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();
--
2.19.1
From 593dfbe7447086ebdb4da89e637a043a170b2538 Mon Sep 17 00:00:00 2001
From: bakkeby <bakkeby@gmail.com>
Date: Sun, 14 Feb 2021 14:16:33 +0100
Subject: [PATCH 2/2] Adding riodraw on top of swallow
---
config.def.h | 8 ++++
dwm.c | 128 ++++++++++++++++++++++++++++++++++++++++++++++++++-
2 files changed, 135 insertions(+), 1 deletion(-)
diff --git a/config.def.h b/config.def.h
index 392ae32..0bc8a7d 100644
--- a/config.def.h
+++ b/config.def.h
@@ -6,6 +6,12 @@ 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 slopspawnstyle[] = "-t 0 -c 0.92,0.85,0.69,0.3 -o"; /* do NOT define -f (format) here */
+static const char slopresizestyle[] = "-t 0 -c 0.92,0.85,0.69,0.3"; /* do NOT define -f (format) here */
+static const int riodraw_borders = 0; /* 0 or 1, indicates whether the area drawn using slop includes the window borders */
+static const int riodraw_matchpid = 1; /* 0 or 1, indicates whether to match the PID of the client that was spawned with riospawn */
+static const int riodraw_spawnasync = 0; /* 0 means that the application is only spawned after a successful selection while
+ * 1 means that the application is being initialised in the background while the selection is made */
static const char *fonts[] = { "monospace:size=10" };
static const char dmenufont[] = "monospace:size=10";
static const char col_gray1[] = "#222222";
@@ -66,6 +72,8 @@ static Key keys[] = {
/* modifier key function argument */
{ MODKEY, XK_p, spawn, {.v = dmenucmd } },
{ MODKEY|ShiftMask, XK_Return, spawn, {.v = termcmd } },
+ { MODKEY|ControlMask, XK_Return, riospawn, {.v = termcmd } },
+ { MODKEY, XK_s, rioresize, {0} },
{ MODKEY, XK_b, togglebar, {0} },
{ MODKEY, XK_j, focusstack, {.i = +1 } },
{ MODKEY, XK_k, focusstack, {.i = -1 } },
diff --git a/dwm.c b/dwm.c
index d55c2f5..3491997 100644
--- a/dwm.c
+++ b/dwm.c
@@ -204,6 +204,10 @@ static void resize(Client *c, int x, int y, int w, int h, int interact);
static void resizeclient(Client *c, int x, int y, int w, int h);
static void resizemouse(const Arg *arg);
static void restack(Monitor *m);
+static int riodraw(Client *c, const char slopstyle[]);
+static void rioposition(Client *c, int x, int y, int w, int h);
+static void rioresize(const Arg *arg);
+static void riospawn(const Arg *arg);
static void run(void);
static void scan(void);
static int sendevent(Client *c, Atom proto);
@@ -218,6 +222,7 @@ static void seturgent(Client *c, int urg);
static void showhide(Client *c);
static void sigchld(int unused);
static void spawn(const Arg *arg);
+static pid_t spawncmd(const Arg *arg);
static void tag(const Arg *arg);
static void tagmon(const Arg *arg);
static void tile(Monitor *);
@@ -263,6 +268,8 @@ static int bh, blw = 0; /* bar geometry */
static int lrpad; /* sum of left and right padding for text */
static int (*xerrorxlib)(Display *, XErrorEvent *);
static unsigned int numlockmask = 0;
+static int riodimensions[4] = { -1, -1, -1, -1 };
+static pid_t riopid = 0;
static void (*handler[LASTEvent]) (XEvent *) = {
[ButtonPress] = buttonpress,
[ClientMessage] = clientmessage,
@@ -1122,6 +1129,18 @@ manage(Window w, XWindowAttributes *wa)
unfocus(selmon->sel, 0);
c->mon->sel = c;
}
+
+ if (!c->swallowing) {
+ if (riopid && (!riodraw_matchpid || isdescprocess(riopid, c->pid))) {
+ if (riodimensions[3] != -1)
+ rioposition(c, riodimensions[0], riodimensions[1], riodimensions[2], riodimensions[3]);
+ else {
+ killclient(&((Arg) { .v = c }));
+ return;
+ }
+ }
+ }
+
arrange(c->mon);
XMapWindow(dpy, c->win);
if (focusclient)
@@ -1461,6 +1480,105 @@ restack(Monitor *m)
while (XCheckMaskEvent(dpy, EnterWindowMask, &ev));
}
+int
+riodraw(Client *c, const char slopstyle[])
+{
+ int i;
+ char str[100];
+ char strout[100];
+ char tmpstring[30] = {0};
+ char slopcmd[100] = "slop -f x%xx%yx%wx%hx ";
+ int firstchar = 0;
+ int counter = 0;
+
+ strcat(slopcmd, slopstyle);
+ FILE *fp = popen(slopcmd, "r");
+
+ while (fgets(str, 100, fp) != NULL)
+ strcat(strout, str);
+
+ pclose(fp);
+
+ if (strlen(strout) < 6)
+ return 0;
+
+ for (i = 0; i < strlen(strout); i++){
+ if (!firstchar) {
+ if (strout[i] == 'x')
+ firstchar = 1;
+ continue;
+ }
+
+ if (strout[i] != 'x')
+ tmpstring[strlen(tmpstring)] = strout[i];
+ else {
+ riodimensions[counter] = atoi(tmpstring);
+ counter++;
+ memset(tmpstring,0,strlen(tmpstring));
+ }
+ }
+
+ if (riodimensions[0] <= -40 || riodimensions[1] <= -40 || riodimensions[2] <= 50 || riodimensions[3] <= 50) {
+ riodimensions[3] = -1;
+ return 0;
+ }
+
+ if (c) {
+ rioposition(c, riodimensions[0], riodimensions[1], riodimensions[2], riodimensions[3]);
+ return 0;
+ }
+
+ return 1;
+}
+
+void
+rioposition(Client *c, int x, int y, int w, int h)
+{
+ Monitor *m;
+ if ((m = recttomon(x, y, w, h)) && m != c->mon) {
+ detach(c);
+ detachstack(c);
+ arrange(c->mon);
+ c->mon = m;
+ c->tags = m->tagset[m->seltags];
+ attach(c);
+ attachstack(c);
+ selmon = m;
+ focus(c);
+ }
+
+ c->isfloating = 1;
+ if (riodraw_borders)
+ resizeclient(c, x, y, w - (c->bw * 2), h - (c->bw * 2));
+ else
+ resizeclient(c, x - c->bw, y - c->bw, w, h);
+ drawbar(c->mon);
+ arrange(c->mon);
+
+ riodimensions[3] = -1;
+ riopid = 0;
+}
+
+/* drag out an area using slop and resize the selected window to it */
+void
+rioresize(const Arg *arg)
+{
+ Client *c = (arg && arg->v ? (Client*)arg->v : selmon->sel);
+ if (c)
+ riodraw(c, slopresizestyle);
+}
+
+/* spawn a new window and drag out an area using slop to postiion it */
+void
+riospawn(const Arg *arg)
+{
+ if (riodraw_spawnasync) {
+ riopid = spawncmd(arg);
+ riodraw(NULL, slopspawnstyle);
+ } else if (riodraw(NULL, slopspawnstyle))
+ riopid = spawncmd(arg);
+}
+
void
run(void)
{
@@ -1731,9 +1849,16 @@ sigchld(int unused)
void
spawn(const Arg *arg)
{
+ spawncmd(arg);
+}
+
+pid_t
+spawncmd(const Arg *arg)
+{
+ pid_t pid;
if (arg->v == dmenucmd)
dmenumon[0] = '0' + selmon->num;
- if (fork() == 0) {
+ if ((pid = fork()) == 0) {
if (dpy)
close(ConnectionNumber(dpy));
setsid();
@@ -1742,6 +1867,7 @@ spawn(const Arg *arg)
perror(" failed");
exit(EXIT_SUCCESS);
}
+ return pid;
}
int
--
2.19.1
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