dwmblocks/patches/dwm-dwmblocks-6.2.diff

diff -ruN dwm-6.2-ori/config.def.h dwm-6.2/config.def.h
--- dwm-6.2-ori/config.def.h	2019-02-02 18:25:28.000000000 +0530
+++ dwm-6.2/config.def.h	2020-08-18 03:43:45.933763395 +0530
@@ -12,10 +12,34 @@
 static const char col_gray3[]       = "#bbbbbb";
 static const char col_gray4[]       = "#eeeeee";
 static const char col_cyan[]        = "#005577";
+static const char col1[]            = "#ffffff";
+static const char col2[]            = "#ffffff";
+static const char col3[]            = "#ffffff";
+static const char col4[]            = "#ffffff";
+static const char col5[]            = "#ffffff";
+static const char col6[]            = "#ffffff";
+static const char col7[]            = "#ffffff";
+static const char col8[]            = "#ffffff";
+static const char col9[]            = "#ffffff";
+static const char col10[]           = "#ffffff";
+static const char col11[]           = "#ffffff";
+static const char col12[]           = "#ffffff";
 static const char *colors[][3]      = {
 	/*               fg         bg         border   */
-	[SchemeNorm] = { col_gray3, col_gray1, col_gray2 },
-	[SchemeSel]  = { col_gray4, col_cyan,  col_cyan  },
+	[SchemeNorm]  = { col_gray3, col_gray1, col_gray2 },
+	[SchemeCol1]  = { col1,      col_gray1, col_gray2 },
+	[SchemeCol2]  = { col2,      col_gray1, col_gray2 },
+	[SchemeCol3]  = { col3,      col_gray1, col_gray2 },
+	[SchemeCol4]  = { col4,      col_gray1, col_gray2 },
+	[SchemeCol5]  = { col5,      col_gray1, col_gray2 },
+	[SchemeCol6]  = { col6,      col_gray1, col_gray2 },
+	[SchemeCol7]  = { col7,      col_gray1, col_gray2 },
+	[SchemeCol8]  = { col8,      col_gray1, col_gray2 },
+	[SchemeCol9]  = { col8,      col_gray1, col_gray2 },
+	[SchemeCol10] = { col10,     col_gray1, col_gray2 },
+	[SchemeCol11] = { col11,     col_gray1, col_gray2 },
+	[SchemeCol12] = { col12,     col_gray1, col_gray2 },
+	[SchemeSel]   = { col_gray4, col_cyan,  col_cyan  },
 };
 
 /* tagging */
@@ -103,7 +127,9 @@
 	{ 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 -ruN dwm-6.2-ori/dwm.c dwm-6.2/dwm.c
--- dwm-6.2-ori/dwm.c	2019-02-02 18:25:28.000000000 +0530
+++ dwm-6.2/dwm.c	2020-08-21 23:44:18.270571490 +0530
@@ -40,6 +40,8 @@
 #include <X11/extensions/Xinerama.h>
 #endif /* XINERAMA */
 #include <X11/Xft/Xft.h>
+#include <fcntl.h>
+#include <sys/prctl.h>
 
 #include "drw.h"
 #include "util.h"
@@ -56,10 +58,15 @@
 #define HEIGHT(X)               ((X)->h + 2 * (X)->bw)
 #define TAGMASK                 ((1 << LENGTH(tags)) - 1)
 #define TEXTW(X)                (drw_fontset_getwidth(drw, (X)) + lrpad)
+#define TTEXTW(X)               (drw_fontset_getwidth(drw, (X)))
+
+#define DWMBLOCKSLOCKFILE       "/tmp/dwmblocks.pid"
 
 /* enums */
-enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */
-enum { SchemeNorm, SchemeSel }; /* color schemes */
+enum { CurNormal, CurHand, CurResize, CurMove, CurLast }; /* cursor */
+enum { SchemeNorm, SchemeCol1, SchemeCol2, SchemeCol3, SchemeCol4,
+       SchemeCol5, SchemeCol6, SchemeCol7, SchemeCol8, SchemeCol9,
+       SchemeCol10, SchemeCol11, SchemeCol12, SchemeSel }; /* color schemes */
 enum { NetSupported, NetWMName, NetWMState, NetWMCheck,
        NetWMFullscreen, NetActiveWindow, NetWMWindowType,
        NetWMWindowTypeDialog, NetClientList, NetLast }; /* EWMH atoms */
@@ -205,6 +212,7 @@
 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);
@@ -216,9 +224,11 @@
 static void unfocus(Client *c, int setfocus);
 static void unmanage(Client *c, int destroyed);
 static void unmapnotify(XEvent *e);
+static void updatebarcursor(int cursorpos);
 static void updatebarpos(Monitor *m);
 static void updatebars(void);
 static void updateclientlist(void);
+static void updatedwmblockssig(int x, int e);
 static int updategeom(void);
 static void updatenumlockmask(void);
 static void updatesizehints(Client *c);
@@ -236,7 +246,10 @@
 
 /* variables */
 static const char broken[] = "broken";
-static char stext[256];
+static char stextc[256];
+static char stexts[256];
+static int wstext;
+static unsigned int dwmblockssig;
 static int screen;
 static int sw, sh;           /* X display screen geometry width, height */
 static int bh, blw = 0;      /* bar geometry */
@@ -439,10 +452,14 @@
 			arg.ui = 1 << i;
 		} else if (ev->x < x + blw)
 			click = ClkLtSymbol;
-		else if (ev->x > selmon->ww - TEXTW(stext))
-			click = ClkStatusText;
-		else
-			click = ClkWinTitle;
+                else if (ev->x < selmon->ww - wstext)
+                        click = ClkWinTitle;
+//                else if (ev->x < selmon->ww - lrpad / 2 && ev->x >= (x = selmon->ww - wstext + lrpad / 2)) {
+                else if (ev->x < selmon->ww - lrpad / 2 && ev->x >= selmon->ww - wstext + lrpad / 2) {
+                        click = ClkStatusText;
+//                        updatedwmblockssig(x, ev->x);
+		} else
+                        return;
 	} else if ((c = wintoclient(ev->window))) {
 		focus(c);
 		restack(selmon);
@@ -695,7 +712,7 @@
 void
 drawbar(Monitor *m)
 {
-	int x, w, sw = 0;
+	int x, w;
 	int boxs = drw->fonts->h / 9;
 	int boxw = drw->fonts->h / 6 + 2;
 	unsigned int i, occ = 0, urg = 0;
@@ -703,9 +720,30 @@
 
 	/* draw status first so it can be overdrawn by tags later */
 	if (m == selmon) { /* status is only drawn on selected monitor */
-		drw_setscheme(drw, scheme[SchemeNorm]);
-		sw = TEXTW(stext) - lrpad + 2; /* 2px right padding */
-		drw_text(drw, m->ww - sw, 0, sw, bh, 0, stext, 0);
+                char *ts = stextc;
+                char *tp = stextc;
+                char ctmp;
+
+                drw_setscheme(drw, scheme[SchemeNorm]);
+                x = drw_text(drw, m->ww - wstext, 0, lrpad / 2, bh, 0, "", 0); /* to keep left padding clean */
+                for (;;) {
+                        if ((unsigned char)*ts > LENGTH(colors) + 10) {
+                                ts++;
+                                continue;
+                        }
+                        ctmp = *ts;
+                        *ts = '\0';
+                        if (*tp != '\0')
+                                x = drw_text(drw, x, 0, TTEXTW(tp), bh, 0, tp, 0);
+                        if (ctmp == '\0')
+                                break;
+                        /* - 11 to compensate for + 10 above */
+                        drw_setscheme(drw, scheme[ctmp - 11]);
+                        *ts = ctmp;
+                        tp = ++ts;
+                }
+                drw_setscheme(drw, scheme[SchemeNorm]);
+                drw_text(drw, x, 0, m->ww - x, bh, 0, "", 0); /* to keep right padding clean */
 	}
 
 	for (c = m->clients; c; c = c->next) {
@@ -728,7 +766,7 @@
 	drw_setscheme(drw, scheme[SchemeNorm]);
 	x = drw_text(drw, x, 0, w, bh, lrpad / 2, m->ltsymbol, 0);
 
-	if ((w = m->ww - sw - x) > bh) {
+	if ((w = m->ww - wstext - x) > bh) {
 		if (m->sel) {
 			drw_setscheme(drw, scheme[m == selmon ? SchemeSel : SchemeNorm]);
 			drw_text(drw, x, 0, w, bh, lrpad / 2, m->sel->name, 0);
@@ -1122,8 +1160,11 @@
 	Monitor *m;
 	XMotionEvent *ev = &e->xmotion;
 
-	if (ev->window != root)
+        if (ev->window != root) {
+                if (ev->window == selmon->barwin)
+                        updatebarcursor(ev->x);
 		return;
+        }
 	if ((m = recttomon(ev->x_root, ev->y_root, 1, 1)) != mon && mon) {
 		unfocus(selmon->sel, 1);
 		selmon = m;
@@ -1564,6 +1605,7 @@
 	netatom[NetClientList] = XInternAtom(dpy, "_NET_CLIENT_LIST", False);
 	/* init cursors */
 	cursor[CurNormal] = drw_cur_create(drw, XC_left_ptr);
+        cursor[CurHand] = drw_cur_create(drw, XC_hand2);
 	cursor[CurResize] = drw_cur_create(drw, XC_sizing);
 	cursor[CurMove] = drw_cur_create(drw, XC_fleur);
 	/* init appearance */
@@ -1637,6 +1679,28 @@
 }
 
 void
+sigdwmblocks(const Arg *arg)
+{
+        int fd;
+        struct flock fl;
+	union sigval sv;
+
+        if (!dwmblockssig)
+                return;
+	sv.sival_int = (dwmblockssig << 8) | arg->i;
+        fd = open(DWMBLOCKSLOCKFILE, O_RDONLY);
+        if (fd == -1)
+                return;
+        fl.l_type = F_WRLCK;
+        fl.l_start = 0;
+        fl.l_whence = SEEK_SET;
+        fl.l_len = 0;
+        if (fcntl(fd, F_GETLK, &fl) == -1 || fl.l_type == F_UNLCK)
+                return;
+        sigqueue(fl.l_pid, SIGRTMIN, sv);
+}
+
+void
 spawn(const Arg *arg)
 {
 	if (arg->v == dmenucmd)
@@ -1805,7 +1869,7 @@
 	XSetWindowAttributes wa = {
 		.override_redirect = True,
 		.background_pixmap = ParentRelative,
-		.event_mask = ButtonPressMask|ExposureMask
+		.event_mask = ButtonPressMask|ExposureMask|PointerMotionMask
 	};
 	XClassHint ch = {"dwm", "dwm"};
 	for (m = mons; m; m = m->next) {
@@ -1821,6 +1885,33 @@
 }
 
 void
+updatebarcursor(int cursorpos)
+{
+        static int currentcursor = 0;
+        int x;
+
+        if (cursorpos < selmon->ww - lrpad / 2 && cursorpos >= (x = selmon->ww - wstext + lrpad / 2)) {
+                updatedwmblockssig(x, cursorpos);
+                if (currentcursor) {
+                        if (!dwmblockssig) {
+                                currentcursor = 0;
+                                XDefineCursor(dpy, selmon->barwin, cursor[CurNormal]->cursor);
+                        }
+                } else {
+                        if (dwmblockssig) {
+                                currentcursor = 1;
+                                XDefineCursor(dpy, selmon->barwin, cursor[CurHand]->cursor);
+                        }
+                }
+        } else {
+                if (currentcursor) {
+                        currentcursor = 0;
+                        XDefineCursor(dpy, selmon->barwin, cursor[CurNormal]->cursor);
+                }
+        }
+}
+
+void
 updatebarpos(Monitor *m)
 {
 	m->wy = m->my;
@@ -1847,6 +1938,34 @@
 				(unsigned char *) &(c->win), 1);
 }
 
+void
+updatedwmblockssig(int x, int e)
+{
+        char *ts = stexts;
+        char *tp = stexts;
+        char ctmp;
+
+        while (*ts != '\0') {
+                if ((unsigned char)*ts > 10) {
+                        ts++;
+                        continue;
+                }
+                ctmp = *ts;
+                *ts = '\0';
+                x += TTEXTW(tp);
+                *ts = ctmp;
+                if (x >= e) {
+                        if (ctmp != 10)
+                                dwmblockssig = ctmp;
+                        else
+                                dwmblockssig = 0;
+                        return;
+                }
+                tp = ++ts;
+        }
+        dwmblockssig = 0;
+}
+
 int
 updategeom(void)
 {
@@ -1987,9 +2106,27 @@
 void
 updatestatus(void)
 {
-	if (!gettextprop(root, XA_WM_NAME, stext, sizeof(stext)))
-		strcpy(stext, "dwm-"VERSION);
-	drawbar(selmon);
+	char rawstext[256];
+
+	if (gettextprop(root, XA_WM_NAME, rawstext, sizeof rawstext)) {
+                char stextt[256];
+                char *stc = stextc, *sts = stexts, *stt = stextt;
+
+                for (char *rt = rawstext; *rt != '\0'; rt++)
+                        if ((unsigned char)*rt >= ' ')
+                                *(stc++) = *(sts++) = *(stt++) = *rt;
+                        else if ((unsigned char)*rt > 10)
+                                *(stc++) = *rt;
+                        else
+                                *(sts++) = *rt;
+                *stc = *sts = *stt = '\0';
+                wstext = TEXTW(stextt);
+        } else {
+                strcpy(stextc, "dwm-"VERSION);
+                strcpy(stexts, stextc);
+                wstext = TEXTW(stextc);
+        }
+        drawbar(selmon);
 }
 
 void