From c35fb342aab4fef5174f56d0df634990a4b74ae8 Mon Sep 17 00:00:00 2001
From: joshua <joshua@joshuayun.com>
Date: Sat, 23 Dec 2023 16:38:46 -0500
Subject: Got systray to play nicely with status bar

---
 dwm.c | 109 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 104 insertions(+), 5 deletions(-)

(limited to 'dwm.c')

diff --git a/dwm.c b/dwm.c
index 0e116eb..7ff8f2e 100644
--- a/dwm.c
+++ b/dwm.c
@@ -230,6 +230,7 @@ static void focusstack(const Arg *arg);
 static Atom getatomprop(Client *c, Atom prop);
 static int getrootptr(int *x, int *y);
 static long getstate(Window w);
+static pid_t getstatusbarpid();
 static unsigned int getsystraywidth();
 static int gettextprop(Window w, Atom atom, char *text, unsigned int size);
 static void grabbuttons(Client *c, int focused);
@@ -257,6 +258,7 @@ static void resizemouse(const Arg *arg);
 static void resizerequest(XEvent *e);
 static void restack(Monitor *m);
 static void run(void);
+static void runAutostart(void);
 static void scan(void);
 static int sendevent(Window w, Atom proto, int m, long d0, long d1, long d2, long d3, long d4);
 static void sendmon(Client *c, Monitor *m);
@@ -271,6 +273,7 @@ static void showhide(Client *c);
 static void sighup(int unused);
 static void sigterm(int unused);
 static void spawn(const Arg *arg);
+static void sigstatusbar(const Arg *arg);
 static Monitor *systraytomon(Monitor *m);
 static int stackpos(const Arg *arg);
 static void tag(const Arg *arg);
@@ -318,6 +321,9 @@ static pid_t winpid(Window w);
 static Systray *systray = NULL;
 static const char broken[] = "broken";
 static char stext[256];
+static int statusw;
+static int statussig;
+static pid_t statuspid = -1;
 static int screen;
 static int sw, sh;           /* X display screen geometry width, height */
 static int bh;               /* bar height */
@@ -562,6 +568,7 @@ buttonpress(XEvent *e)
 	Client *c;
 	Monitor *m;
 	XButtonPressedEvent *ev = &e->xbutton;
+	char *text, *s, ch;
 
 	click = ClkRootWin;
 	/* focus monitor if necessary */
@@ -580,9 +587,23 @@ buttonpress(XEvent *e)
 			arg.ui = 1 << i;
 		} else if (ev->x < x + TEXTW(selmon->ltsymbol))
 			click = ClkLtSymbol;
-		else if (ev->x > selmon->ww - (int)TEXTW(stext) - getsystraywidth())
+		else if (ev->x > selmon->ww - statusw - getsystraywidth()) {
 			click = ClkStatusText;
-		else
+			x = selmon->ww - statusw;
+			statussig = 0;
+			for (text = s = stext; *s && x <= ev->x; s++) {
+				if ((unsigned char)(*s) < ' ') {
+					ch = *s;
+					*s = '\0';
+					x += TEXTW(text) - lrpad;
+					*s = ch;
+					text = s + 1;
+					if (x >= ev->x)
+						break;
+					statussig = ch;
+				}
+			}
+		} else
 			click = ClkWinTitle;
 	} else if ((c = wintoclient(ev->window))) {
 		focus(c);
@@ -918,9 +939,25 @@ drawbar(Monitor *m)
 
 	/* draw status first so it can be overdrawn by tags later */
 	if (m == selmon) { /* status is only drawn on selected monitor */
+		char *text, *s, ch;
 		drw_setscheme(drw, scheme[SchemeNorm]);
-		tw = TEXTW(stext) - lrpad / 2 + 2; /* 2px extra right padding */
-		drw_text(drw, m->ww - tw - stw, 0, tw, bh, lrpad / 2 - 2, stext, 0);
+
+		x = 0;
+		for (text = s = stext; *s; s++) {
+			if ((unsigned char)(*s) < ' ') {
+				ch = *s;
+				*s = '\0';
+				tw = TEXTW(text) - lrpad;
+				drw_text(drw, m->ww - statusw + x - stw, 0, tw, bh, 0, text, 0);
+				x += tw;
+				*s = ch;
+				text = s + 1;
+			}
+		}
+		tw = TEXTW(text) - lrpad / 2 + 2; /* 2px extra right padding */
+		drw_text(drw, m->ww - statusw + x - stw - 6, 0, tw, bh, 0, text, 0);
+		tw = statusw;
+
 	}
 
 	resizebarwin(m);
@@ -1097,6 +1134,30 @@ getsystraywidth()
 	return w ? w + systrayspacing : 1;
 }
 
+pid_t
+getstatusbarpid()
+{
+	char buf[32], *str = buf, *c;
+	FILE *fp;
+
+	if (statuspid > 0) {
+		snprintf(buf, sizeof(buf), "/proc/%u/cmdline", statuspid);
+		if ((fp = fopen(buf, "r"))) {
+			fgets(buf, sizeof(buf), fp);
+			while ((c = strchr(str, '/')))
+				str = c + 1;
+			fclose(fp);
+			if (!strcmp(str, STATUSBAR))
+				return statuspid;
+		}
+	}
+	if (!(fp = popen("pidof -s "STATUSBAR, "r")))
+		return -1;
+	fgets(buf, sizeof(buf), fp);
+	pclose(fp);
+	return strtol(buf, NULL, 10);
+}
+
 int
 getrootptr(int *x, int *y)
 {
@@ -1691,6 +1752,12 @@ run(void)
 			handler[ev.type](&ev); /* call handler */
 }
 
+void
+runAutostart(void) {
+	system("killall -q dwmblocks; dwmblocks &");
+}
+
+
 void
 scan(void)
 {
@@ -1986,6 +2053,20 @@ sigterm(int unused)
 	quit(&a);
 }
 
+void
+sigstatusbar(const Arg *arg)
+{
+	union sigval sv;
+
+	if (!statussig)
+		return;
+	sv.sival_int = arg->i;
+	if ((statuspid = getstatusbarpid()) <= 0)
+		return;
+
+	sigqueue(statuspid, SIGRTMIN+statussig, sv);
+}
+
 void
 spawn(const Arg *arg)
 {
@@ -2422,8 +2503,25 @@ updatesizehints(Client *c)
 void
 updatestatus(void)
 {
-	if (!gettextprop(root, XA_WM_NAME, stext, sizeof(stext)))
+	if (!gettextprop(root, XA_WM_NAME, stext, sizeof(stext))) {
 		strcpy(stext, "dwm-"VERSION);
+		statusw = TEXTW(stext) - lrpad + 2;
+	} else {
+		char *text, *s, ch;
+
+		statusw  = 0;
+		for (text = s = stext; *s; s++) {
+			if ((unsigned char)(*s) < ' ') {
+				ch = *s;
+				*s = '\0';
+				statusw += TEXTW(text) - lrpad;
+				*s = ch;
+				text = s + 1;
+			}
+		}
+		statusw += TEXTW(text) - lrpad + 2;
+
+	}
 	drawbar(selmon);
 	updatesystray();
 }
@@ -2908,6 +3006,7 @@ main(int argc, char *argv[])
 		die("pledge");
 #endif /* __OpenBSD__ */
 	scan();
+	runAutostart();
 	run();
 	if(restart) execvp(argv[0], argv);
 	cleanup();
-- 
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