From 6b5e23cdf8108a9033acc7c21c8926c0c72647fc Mon Sep 17 00:00:00 2001
From: Adham Zahran <adhamzahranfms@gmail.com>
Date: Wed, 27 May 2020 18:07:57 +0200
Subject: [PATCH] Top bar now has buttons that launches programs

---
 config.def.h |  8 ++++++++
 dwm.c        | 36 ++++++++++++++++++++++++++++++++++--
 2 files changed, 42 insertions(+), 2 deletions(-)

diff --git a/config.def.h b/config.def.h
index 1c0b587..9231cd5 100644
--- a/config.def.h
+++ b/config.def.h
@@ -21,6 +21,14 @@ static const char *colors[][3]      = {
 /* tagging */
 static const char *tags[] = { "1", "2", "3", "4", "5", "6", "7", "8", "9" };
 
+/* launcher commands (They must be NULL terminated) */
+static const char* surf[]      = { "surf", "duckduckgo.com", NULL };
+
+static const Launcher launchers[] = {
+       /* command       name to display */
+	{ surf,         "surf" },
+};
+
 static const Rule rules[] = {
 	/* xprop(1):
 	 *	WM_CLASS(STRING) = instance, class
diff --git a/dwm.c b/dwm.c
index 9fd0286..79e7e20 100644
--- a/dwm.c
+++ b/dwm.c
@@ -141,6 +141,11 @@ typedef struct {
 	int monitor;
 } Rule;
 
+typedef struct {
+	const char** command;
+	const char* name;
+} Launcher;
+
 /* function declarations */
 static void applyrules(Client *c);
 static int applysizehints(Client *c, int *x, int *y, int *w, int *h, int interact);
@@ -438,9 +443,26 @@ buttonpress(XEvent *e)
 		if (i < LENGTH(tags)) {
 			click = ClkTagBar;
 			arg.ui = 1 << i;
-		} else if (ev->x < x + blw)
+			goto execute_handler;
+		} else if (ev->x < x + blw) {
 			click = ClkLtSymbol;
-		else if (ev->x > selmon->ww - TEXTW(stext))
+			goto execute_handler;
+		}
+
+		x += blw;
+
+		for(i = 0; i < LENGTH(launchers); i++) {
+			x += TEXTW(launchers[i].name);
+			
+			if (ev->x < x) {
+				Arg a;
+				a.v = launchers[i].command;
+				spawn(&a);
+				return;
+			}
+		}	
+
+		if (ev->x > selmon->ww - TEXTW(stext))
 			click = ClkStatusText;
 		else
 			click = ClkWinTitle;
@@ -450,6 +472,9 @@ buttonpress(XEvent *e)
 		XAllowEvents(dpy, ReplayPointer, CurrentTime);
 		click = ClkClientWin;
 	}
+
+execute_handler:
+
 	for (i = 0; i < LENGTH(buttons); i++)
 		if (click == buttons[i].click && buttons[i].func && buttons[i].button == ev->button
 		&& CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
@@ -728,6 +753,13 @@ drawbar(Monitor *m)
 	w = blw = TEXTW(m->ltsymbol);
 	drw_setscheme(drw, scheme[SchemeNorm]);
 	x = drw_text(drw, x, 0, w, bh, lrpad / 2, m->ltsymbol, 0);
+	
+	for (i = 0; i < LENGTH(launchers); i++)
+	{
+		w = TEXTW(launchers[i].name);
+		drw_text(drw, x, 0, w, bh, lrpad / 2, launchers[i].name, urg & 1 << i);
+		x += w;
+	}
 
 	if ((w = m->ww - tw - x) > bh) {
 		if (m->sel) {
-- 
2.17.1