Merge pull request #1 from E-Almqvist/polybar

Added polybar support (anybar patch)

config.def.h

@@ -6,6 +6,10 @@ static const unsigned int gappx     = 5;        /* gaps between windows */
 static const unsigned int snap      = 32;       /* snap pixel */
 static const int showbar            = 1;        /* 0 means no bar */
 static const int topbar             = 1;        /* 0 means bottom bar */
+static const int usealtbar          = 1;        /* 1 means use non-dwm status bar */
+static const char *altbarclass      = "Polybar"; /* Alternate bar class name */
+static const char *alttrayname      = "tray";    /* Polybar tray instance name */
+static const char *altbarcmd        = "$HOME/bar.sh"; /* Alternate bar launch command */
 static const char *fonts[]          = { "monospace:size=10" };
 static const char dmenufont[]       = "monospace:size=10";
 static const char col_gray1[]       = "#222222";

config.h

@@ -6,6 +6,10 @@ static const unsigned int snap      = 0;       /* snap pixel (32)*/
 static const unsigned int gappx     = 20;
 static const int showbar            = 1;        /* 0 means no bar */
 static const int topbar             = 1;        /* 0 means bottom bar */
+static const int usealtbar          = 1;        /* 1 means use non-dwm status bar */
+static const char *altbarclass      = "Polybar"; /* Alternate bar class name */
+static const char *alttrayname      = "tray";    /* Polybar tray instance name */
+static const char *altbarcmd        = "$HOME/.config/polybar/launch.sh"; /* Alternate bar launch command */
 static const char *fonts[]          = { "Ubuntu Mono:size=12" };
 static const char dmenufont[]       = "monospace:size=10";
 

dwm.c

@@ -47,8 +47,8 @@
 /* macros */
 #define BUTTONMASK              (ButtonPressMask|ButtonReleaseMask)
 #define CLEANMASK(mask)         (mask & ~(numlockmask|LockMask) & (ShiftMask|ControlMask|Mod1Mask|Mod2Mask|Mod3Mask|Mod4Mask|Mod5Mask))
-#define INTERSECT(x,y,w,h,m)    (MAX(0, MIN((x)+(w),(m)->wx+(m)->ww) - MAX((x),(m)->wx)) \
-                               * MAX(0, MIN((y)+(h),(m)->wy+(m)->wh) - MAX((y),(m)->wy)))
+#define INTERSECT(x,y,w,h,m)    (MAX(0, MIN((x)+(w),(m)->mx+(m)->mw) - MAX((x),(m)->mx)) \
+                               * MAX(0, MIN((y)+(h),(m)->my+(m)->mh) - MAX((y),(m)->my)))
 #define ISVISIBLE(C)            ((C->tags & C->mon->tagset[C->mon->seltags]))
 #define LENGTH(X)               (sizeof X / sizeof X[0])
 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
@@ -116,7 +116,8 @@ struct Monitor {
 	float mfact;
 	int nmaster;
 	int num;
-	int by;               /* bar geometry */
+	int by, bh;           /* bar geometry */
+	int tx, tw;           /* bar tray geometry */
 	int mx, my, mw, mh;   /* screen size */
 	int wx, wy, ww, wh;   /* window area  */
 	int gappx;            /* gaps between windows */
@@ -130,6 +131,7 @@ struct Monitor {
 	Client *stack;
 	Monitor *next;
 	Window barwin;
+	Window traywin;
 	const Layout *lt[2];
 };
 
@@ -180,6 +182,8 @@ static void incnmaster(const Arg *arg);
 static void keypress(XEvent *e);
 static void killclient(const Arg *arg);
 static void manage(Window w, XWindowAttributes *wa);
+static void managealtbar(Window win, XWindowAttributes *wa);
+static void managetray(Window win, XWindowAttributes *wa);
 static void mappingnotify(XEvent *e);
 static void maprequest(XEvent *e);
 static void monocle(Monitor *m);
@@ -196,6 +200,7 @@ static void resizemouse(const Arg *arg);
 static void restack(Monitor *m);
 static void run(void);
 static void scan(void);
+static void scantray(void);
 static int sendevent(Client *c, Atom proto);
 static void sendmon(Client *c, Monitor *m);
 static void setclientstate(Client *c, long state);
@@ -209,6 +214,7 @@ static void seturgent(Client *c, int urg);
 static void showhide(Client *c);
 static void sigchld(int unused);
 static void spawn(const Arg *arg);
+static void spawnbar();
 static void tag(const Arg *arg);
 static void tagmon(const Arg *arg);
 static void tile(Monitor *);
@@ -218,6 +224,8 @@ static void toggletag(const Arg *arg);
 static void toggleview(const Arg *arg);
 static void unfocus(Client *c, int setfocus);
 static void unmanage(Client *c, int destroyed);
+static void unmanagealtbar(Window w);
+static void unmanagetray(Window w);
 static void unmapnotify(XEvent *e);
 static void updatebarpos(Monitor *m);
 static void updatebars(void);
@@ -232,6 +240,7 @@ static void updatewmhints(Client *c);
 static void view(const Arg *arg);
 static Client *wintoclient(Window w);
 static Monitor *wintomon(Window w);
+static int wmclasscontains(Window win, const char *class, const char *name);
 static int xerror(Display *dpy, XErrorEvent *ee);
 static int xerrordummy(Display *dpy, XErrorEvent *ee);
 static int xerrorstart(Display *dpy, XErrorEvent *ee);
@@ -507,8 +516,10 @@ cleanupmon(Monitor *mon)
 		for (m = mons; m && m->next != mon; m = m->next);
 		m->next = mon->next;
 	}
-	XUnmapWindow(dpy, mon->barwin);
-	XDestroyWindow(dpy, mon->barwin);
+	if (!usealtbar) {
+		XUnmapWindow(dpy, mon->barwin);
+		XDestroyWindow(dpy, mon->barwin);
+	}
 	free(mon);
 }
 
@@ -570,7 +581,7 @@ configurenotify(XEvent *e)
 				for (c = m->clients; c; c = c->next)
 					if (c->isfullscreen)
 						resizeclient(c, m->mx, m->my, m->mw, m->mh);
-				XMoveResizeWindow(dpy, m->barwin, m->wx, m->by, m->ww, bh);
+				XMoveResizeWindow(dpy, m->barwin, m->wx, m->by, m->ww, m->bh);
 			}
 			focus(NULL);
 			arrange(NULL);
@@ -637,6 +648,7 @@ createmon(void)
 
 	m = ecalloc(1, sizeof(Monitor));
 	m->tagset[0] = m->tagset[1] = 1;
+	m->bh = bh;
 	m->mfact = mfact;
 	m->nmaster = nmaster;
 	m->showbar = showbar;
@@ -652,10 +664,15 @@ void
 destroynotify(XEvent *e)
 {
 	Client *c;
+	Monitor *m;
 	XDestroyWindowEvent *ev = &e->xdestroywindow;
 
 	if ((c = wintoclient(ev->window)))
 		unmanage(c, 1);
+	else if ((m = wintomon(ev->window)) && m->barwin == ev->window)
+		unmanagealtbar(ev->window);
+	else if (m->traywin == ev->window)
+		unmanagetray(ev->window);
 }
 
 void
@@ -699,6 +716,9 @@ dirtomon(int dir)
 void
 drawbar(Monitor *m)
 {
+	if (usealtbar)
+		return;
+
 	int x, w, tw = 0;
 	int boxs = drw->fonts->h / 9;
 	int boxw = drw->fonts->h / 6 + 2;
@@ -1080,6 +1100,45 @@ manage(Window w, XWindowAttributes *wa)
 	focus(NULL);
 }
 
+void
+managealtbar(Window win, XWindowAttributes *wa)
+{
+	Monitor *m;
+	if (!(m = recttomon(wa->x, wa->y, wa->width, wa->height)))
+		return;
+
+	m->barwin = win;
+	m->by = wa->y;
+	bh = m->bh = wa->height;
+	updatebarpos(m);
+	arrange(m);
+	XSelectInput(dpy, win, EnterWindowMask|FocusChangeMask|PropertyChangeMask|StructureNotifyMask);
+	XMoveResizeWindow(dpy, win, wa->x, wa->y, wa->width, wa->height);
+	XMapWindow(dpy, win);
+	XChangeProperty(dpy, root, netatom[NetClientList], XA_WINDOW, 32, PropModeAppend,
+		(unsigned char *) &win, 1);
+}
+
+void
+managetray(Window win, XWindowAttributes *wa)
+{
+	Monitor *m;
+	if (!(m = recttomon(wa->x, wa->y, wa->width, wa->height)))
+		return;
+
+	m->traywin = win;
+	m->tx = wa->x;
+	m->tw = wa->width;
+	updatebarpos(m);
+	arrange(m);
+	XSelectInput(dpy, win, EnterWindowMask|FocusChangeMask|PropertyChangeMask|StructureNotifyMask);
+	XMoveResizeWindow(dpy, win, wa->x, wa->y, wa->width, wa->height);
+	XMapWindow(dpy, win);
+	XChangeProperty(dpy, root, netatom[NetClientList], XA_WINDOW, 32, PropModeAppend,
+			(unsigned char *) &win, 1);
+}
+
+
 void
 mappingnotify(XEvent *e)
 {
@@ -1100,7 +1159,9 @@ maprequest(XEvent *e)
 		return;
 	if (wa.override_redirect)
 		return;
-	if (!wintoclient(ev->window))
+	if (wmclasscontains(ev->window, altbarclass, ""))
+		managealtbar(ev->window, &wa);
+	else if (!wintoclient(ev->window))
 		manage(ev->window, &wa);
 }
 
@@ -1396,7 +1457,9 @@ scan(void)
 			if (!XGetWindowAttributes(dpy, wins[i], &wa)
 			|| wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1))
 				continue;
-			if (wa.map_state == IsViewable || getstate(wins[i]) == IconicState)
+			if (wmclasscontains(wins[i], altbarclass, ""))
+				managealtbar(wins[i], &wa);
+			else if (wa.map_state == IsViewable || getstate(wins[i]) == IconicState)
 				manage(wins[i], &wa);
 		}
 		for (i = 0; i < num; i++) { /* now the transients */
@@ -1411,6 +1474,29 @@ scan(void)
 	}
 }
 
+void
+scantray(void)
+{
+	unsigned int num;
+	Window d1, d2, *wins = NULL;
+	XWindowAttributes wa;
+
+	if (XQueryTree(dpy, root, &d1, &d2, &wins, &num)) {
+		for (unsigned int i = 0; i < num; i++) {
+			if (wmclasscontains(wins[i], altbarclass, alttrayname)) {
+				if (!XGetWindowAttributes(dpy, wins[i], &wa))
+					break;
+				managetray(wins[i], &wa);
+			}
+		}
+	}
+
+	if (wins)
+		XFree(wins);
+}
+
+
+
 void
 sendmon(Client *c, Monitor *m)
 {
@@ -1559,7 +1645,7 @@ setup(void)
 	if (!drw_fontset_create(drw, fonts, LENGTH(fonts)))
 		die("no fonts could be loaded.");
 	lrpad = drw->fonts->h;
-	bh = drw->fonts->h + 5;
+	bh = usealtbar ? 0 : drw->fonts->h + 5;
 	updategeom();
 	/* init atoms */
 	utf8string = XInternAtom(dpy, "UTF8_STRING", False);
@@ -1608,6 +1694,7 @@ setup(void)
 	XSelectInput(dpy, root, wa.event_mask);
 	grabkeys();
 	focus(NULL);
+	spawnbar();
 }
 
 
@@ -1666,6 +1753,13 @@ spawn(const Arg *arg)
 	}
 }
 
+void
+spawnbar()
+{
+	if (*altbarcmd)
+		system(altbarcmd);
+}
+
 void
 tag(const Arg *arg)
 {
@@ -1715,9 +1809,18 @@ tile(Monitor *m)
 void
 togglebar(const Arg *arg)
 {
+	/**
+     * Polybar tray does not raise maprequest event. It must be manually scanned
+	 * for. Scanning it too early while the tray is being populated would give
+	 * wrong dimensions.
+     */
+	if (!selmon->traywin)
+		scantray();
+
 	selmon->showbar = !selmon->showbar;
 	updatebarpos(selmon);
-	XMoveResizeWindow(dpy, selmon->barwin, selmon->wx, selmon->by, selmon->ww, bh);
+	XMoveResizeWindow(dpy, selmon->barwin, selmon->wx, selmon->by, selmon->ww, selmon->bh);
+	XMoveResizeWindow(dpy, selmon->traywin, selmon->tx, selmon->by, selmon->tw, selmon->bh);
 	arrange(selmon);
 }
 
@@ -1800,10 +1903,41 @@ unmanage(Client *c, int destroyed)
 	arrange(m);
 }
 
+void
+unmanagealtbar(Window w)
+{
+    Monitor *m = wintomon(w);
+
+    if (!m)
+        return;
+
+    m->barwin = 0;
+    m->by = 0;
+    m->bh = 0;
+    updatebarpos(m);
+    arrange(m);
+}
+
+void
+unmanagetray(Window w)
+{
+	Monitor *m = wintomon(w);
+
+	if (!m)
+		return;
+
+	m->traywin = 0;
+	m->tx = 0;
+	m->tw = 0;
+	updatebarpos(m);
+	arrange(m);
+}
+
 void
 unmapnotify(XEvent *e)
 {
 	Client *c;
+	Monitor *m;
 	XUnmapEvent *ev = &e->xunmap;
 
 	if ((c = wintoclient(ev->window))) {
@@ -1811,12 +1945,18 @@ unmapnotify(XEvent *e)
 			setclientstate(c, WithdrawnState);
 		else
 			unmanage(c, 0);
-	}
+	} else if ((m = wintomon(ev->window)) && m->barwin == ev->window)
+		unmanagealtbar(ev->window);
+	else if (m->traywin == ev->window)
+		unmanagetray(ev->window);
 }
 
 void
 updatebars(void)
 {
+	if (usealtbar)
+		return;
+
 	Monitor *m;
 	XSetWindowAttributes wa = {
 		.override_redirect = True,
@@ -1842,11 +1982,11 @@ updatebarpos(Monitor *m)
 	m->wy = m->my;
 	m->wh = m->mh;
 	if (m->showbar) {
-		m->wh -= bh;
+		m->wh -= m->bh;
 		m->by = m->topbar ? m->wy : m->wy + m->wh;
-		m->wy = m->topbar ? m->wy + bh : m->wy;
+		m->wy = m->topbar ? m->wy + m->bh : m->wy;
 	} else
-		m->by = -bh;
+		m->by = -m->bh;
 }
 
 void
@@ -2083,13 +2223,35 @@ wintomon(Window w)
 	if (w == root && getrootptr(&x, &y))
 		return recttomon(x, y, 1, 1);
 	for (m = mons; m; m = m->next)
-		if (w == m->barwin)
+		if (w == m->barwin || w == m->traywin)
 			return m;
 	if ((c = wintoclient(w)))
 		return c->mon;
 	return selmon;
 }
 
+int
+wmclasscontains(Window win, const char *class, const char *name)
+{
+	XClassHint ch = { NULL, NULL };
+	int res = 1;
+
+	if (XGetClassHint(dpy, win, &ch)) {
+		if (ch.res_name && strstr(ch.res_name, name) == NULL)
+			res = 0;
+		if (ch.res_class && strstr(ch.res_class, class) == NULL)
+			res = 0;
+	} else
+		res = 0;
+
+	if (ch.res_class)
+		XFree(ch.res_class);
+	if (ch.res_name)
+		XFree(ch.res_name);
+
+	return res;
+}
+
 /* There's no way to check accesses to destroyed windows, thus those cases are
  * ignored (especially on UnmapNotify's). Other types of errors call Xlibs
  * default error handler, which may call exit. */