feat: added statuscmd patch

PKGBUILD

@@ -27,6 +27,7 @@ _patches=(
         "local-uselessgap-6.2.diff"
         "local-allow-color-fonts.diff"
         "dwm-alpha-20201019-61bb8b2.diff"
+        "dwm-statuscmd-signal-6.2.diff"
         )
 
 source=(http://dl.suckless.org/dwm/dwm-$pkgver.tar.gz
@@ -48,7 +49,8 @@ md5sums=('9929845ccdec4d2cc191f16210dd7f3d'
          'd1f932d25d82eb9aaa589a54d9b4e6c8'
          'b9c840237160440110fdafc204eff208'
          'cdf4c9dacfecd8f3aecb5fc8166c4604'
-         '7799f60a9e87e4f99e813d158abee15b')
+         '7799f60a9e87e4f99e813d158abee15b'
+         '6343099cdc9752bc3f4f87e119345b79')
 
 prepare() {
   cd $srcdir/dwm-$pkgver

README.org

@@ -14,6 +14,7 @@
 - [[https://dwm.suckless.org/patches/rotatestack/][rotatestack]]
 - [[https://dwm.suckless.org/patches/scratchpad/][scratchpad]]
 - [[https://dwm.suckless.org/patches/selfrestart/][selfrestart]]
+- [[https://dwm.suckless.org/patches/statuscmd/][statuscmd]]
 - [[https://dwm.suckless.org/patches/statuspadding/][statuspadding]]
 - [[https://dwm.suckless.org/patches/uselessgap/][uselessgap]]
 

config_desktop.h

@@ -151,7 +151,9 @@ static Button buttons[] = {
 	{ ClkLtSymbol,          0,              Button1,        setlayout,      {0} },
 	{ ClkLtSymbol,          0,              Button3,        setlayout,      {.v = &layouts[2]} },
 	{ ClkWinTitle,          0,              Button2,        zoom,           {0} },
-	{ ClkStatusText,        0,              Button2,        spawn,          {.v = termcmd } },
+	{ ClkStatusText,        0,              Button1,        sigdwmblocks,   {.i = 1} },
+	{ ClkStatusText,        0,              Button2,        sigdwmblocks,   {.i = 2} },
+	{ ClkStatusText,        0,              Button3,        sigdwmblocks,   {.i = 3} },
 	{ ClkClientWin,         MODKEY,         Button1,        movemouse,      {0} },
 	{ ClkClientWin,         MODKEY,         Button2,        togglefloating, {0} },
 	{ ClkClientWin,         MODKEY,         Button3,        resizemouse,    {0} },

dwm-statuscmd-signal-6.2.diff

@@ -0,0 +1,157 @@
+diff --git a/config.def.h b/config.def.h
+index 1c0b587..b67825e 100644
+--- a/config.def.h
++++ b/config.def.h
+@@ -103,7 +103,9 @@ static Button buttons[] = {
+ 	{ ClkLtSymbol,          0,              Button1,        setlayout,      {0} },
+ 	{ ClkLtSymbol,          0,              Button3,        setlayout,      {.v = &layouts[2]} },
+ 	{ ClkWinTitle,          0,              Button2,        zoom,           {0} },
+-	{ ClkStatusText,        0,              Button2,        spawn,          {.v = termcmd } },
++	{ ClkStatusText,        0,              Button1,        sigdwmblocks,   {.i = 1} },
++	{ ClkStatusText,        0,              Button2,        sigdwmblocks,   {.i = 2} },
++	{ ClkStatusText,        0,              Button3,        sigdwmblocks,   {.i = 3} },
+ 	{ ClkClientWin,         MODKEY,         Button1,        movemouse,      {0} },
+ 	{ ClkClientWin,         MODKEY,         Button2,        togglefloating, {0} },
+ 	{ ClkClientWin,         MODKEY,         Button3,        resizemouse,    {0} },
+diff --git a/dwm.c b/dwm.c
+index 4465af1..c600131 100644
+--- a/dwm.c
++++ b/dwm.c
+@@ -156,6 +156,7 @@ static void clientmessage(XEvent *e);
+ static void configure(Client *c);
+ static void configurenotify(XEvent *e);
+ static void configurerequest(XEvent *e);
++static void copyvalidchars(char *text, char *rawtext);
+ static Monitor *createmon(void);
+ static void destroynotify(XEvent *e);
+ static void detach(Client *c);
+@@ -169,6 +170,7 @@ static void focus(Client *c);
+ static void focusin(XEvent *e);
+ static void focusmon(const Arg *arg);
+ static void focusstack(const Arg *arg);
++static int getdwmblockspid();
+ static int getrootptr(int *x, int *y);
+ static long getstate(Window w);
+ static int gettextprop(Window w, Atom atom, char *text, unsigned int size);
+@@ -205,6 +207,7 @@ static void setup(void);
+ static void seturgent(Client *c, int urg);
+ static void showhide(Client *c);
+ static void sigchld(int unused);
++static void sigdwmblocks(const Arg *arg);
+ static void spawn(const Arg *arg);
+ static void tag(const Arg *arg);
+ static void tagmon(const Arg *arg);
+@@ -237,6 +240,9 @@ static void zoom(const Arg *arg);
+ /* variables */
+ static const char broken[] = "broken";
+ static char stext[256];
++static char rawstext[256];
++static int dwmblockssig;
++pid_t dwmblockspid = 0;
+ static int screen;
+ static int sw, sh;           /* X display screen geometry width, height */
+ static int bh, blw = 0;      /* bar geometry */
+@@ -439,9 +445,26 @@ buttonpress(XEvent *e)
+ 			arg.ui = 1 << i;
+ 		} else if (ev->x < x + blw)
+ 			click = ClkLtSymbol;
+-		else if (ev->x > selmon->ww - TEXTW(stext))
++		else if (ev->x > (x = selmon->ww - TEXTW(stext) + lrpad)) {
+ 			click = ClkStatusText;
+-		else
++
++			char *text = rawstext;
++			int i = -1;
++			char ch;
++			dwmblockssig = 0;
++			while (text[++i]) {
++				if ((unsigned char)text[i] < ' ') {
++					ch = text[i];
++					text[i] = '\0';
++					x += TEXTW(text) - lrpad;
++					text[i] = ch;
++					text += i+1;
++					i = -1;
++					if (x >= ev->x) break;
++					dwmblockssig = ch;
++				}
++			}
++		} else
+ 			click = ClkWinTitle;
+ 	} else if ((c = wintoclient(ev->window))) {
+ 		focus(c);
+@@ -627,6 +650,19 @@ configurerequest(XEvent *e)
+ 	XSync(dpy, False);
+ }
+ 
++void
++copyvalidchars(char *text, char *rawtext)
++{
++	int i = -1, j = 0;
++
++	while(rawtext[++i]) {
++		if ((unsigned char)rawtext[i] >= ' ') {
++			text[j++] = rawtext[i];
++		}
++	}
++	text[j] = '\0';
++}
++
+ Monitor *
+ createmon(void)
+ {
+@@ -871,6 +907,18 @@ getatomprop(Client *c, Atom prop)
+ 	return atom;
+ }
+ 
++int
++getdwmblockspid()
++{
++	char buf[16];
++	FILE *fp = popen("pidof -s dwmblocks", "r");
++	fgets(buf, sizeof(buf), fp);
++	pid_t pid = strtoul(buf, NULL, 10);
++	pclose(fp);
++	dwmblockspid = pid;
++	return pid != 0 ? 0 : -1;
++}
++
+ int
+ getrootptr(int *x, int *y)
+ {
+@@ -1636,6 +1684,23 @@ sigchld(int unused)
+ 	while (0 < waitpid(-1, NULL, WNOHANG));
+ }
+ 
++void
++sigdwmblocks(const Arg *arg)
++{
++	union sigval sv;
++	sv.sival_int = (dwmblockssig << 8) | arg->i;
++	if (!dwmblockspid)
++		if (getdwmblockspid() == -1)
++			return;
++
++	if (sigqueue(dwmblockspid, SIGUSR1, sv) == -1) {
++		if (errno == ESRCH) {
++			if (!getdwmblockspid())
++				sigqueue(dwmblockspid, SIGUSR1, sv);
++		}
++	}
++}
++
+ void
+ spawn(const Arg *arg)
+ {
+@@ -1987,8 +2052,10 @@ updatesizehints(Client *c)
+ void
+ updatestatus(void)
+ {
+-	if (!gettextprop(root, XA_WM_NAME, stext, sizeof(stext)))
++	if (!gettextprop(root, XA_WM_NAME, rawstext, sizeof(rawstext)))
+ 		strcpy(stext, "dwm-"VERSION);
++	else
++		copyvalidchars(stext, rawstext);
+ 	drawbar(selmon);
+ }
+