From 531c575575e04fd7d6bd34b8347f420497e017a4 Mon Sep 17 00:00:00 2001
From: LemonBoy <thatlemon@gmail.com>
Date: Sat, 24 Oct 2015 14:44:41 +0200
Subject: [PATCH] Allow the user to set the WM_NAME atom value

---
 README.pod |  6 +++++-
 lemonbar.c | 16 ++++++++++++----
 2 files changed, 17 insertions(+), 5 deletions(-)

diff --git a/README.pod b/README.pod
index a38a7df..ea7eb7f 100644
--- a/README.pod
+++ b/README.pod
@@ -6,7 +6,7 @@ lemonbar - Featherweight lemon-scented bar
 
 =head1 SYNOPSIS
 
-I<lemonbar> [-h | -g I<width>B<x>I<height>B<+>I<x>B<+>I<y> | -b | -d | -f I<font> | -p | -u I<pixel> | -B I<color> | -F I<color>]
+I<lemonbar> [-h | -g I<width>B<x>I<height>B<+>I<x>B<+>I<y> | -b | -d | -f I<font> | -p | -n | -u I<pixel> | -B I<color> | -F I<color>]
 
 =head1 DESCRIPTION
 
@@ -41,6 +41,10 @@ changing the MAX_FONT_COUNT parameter in the source code).
 
 Make the bar permanent, don't exit after the standard input is closed.
 
+=item B<-n>
+
+Set the WM_NAME atom value for the bar.
+
 =item B<-u> I<pixel>
 
 Sets the underline width in pixels. The default is 1.
diff --git a/lemonbar.c b/lemonbar.c
index 73d3ff1..6582160 100644
--- a/lemonbar.c
+++ b/lemonbar.c
@@ -1080,7 +1080,7 @@ xconn (void)
 }
 
 void
-init (void)
+init (char *wm_name)
 {
     // Try to load a default font
     if (!font_count)
@@ -1168,6 +1168,10 @@ init (void)
         // Make sure that the window really gets in the place it's supposed to be
         // Some WM such as Openbox need this
         xcb_configure_window(c, mon->window, XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y, (const uint32_t []){ mon->x, mon->y });
+
+        // Set the WM_NAME atom to the user specified value
+        if (wm_name)
+            xcb_change_property(c, XCB_PROP_MODE_REPLACE, monhead->window, XCB_ATOM_WM_NAME, XCB_ATOM_STRING, 8 ,strlen(wm_name), wm_name);
     }
 
     xcb_flush(c);
@@ -1225,6 +1229,7 @@ main (int argc, char **argv)
     bool permanent = false;
     int geom_v[4] = { -1, -1, 0, 0 };
     int ch, areas;
+    char *wm_name;
 
     // Install the parachute!
     atexit(cleanup);
@@ -1239,12 +1244,13 @@ main (int argc, char **argv)
 
     // A safe default
     areas = 10;
+    wm_name = NULL;
 
-    while ((ch = getopt(argc, argv, "hg:bdf:a:pu:B:F:")) != -1) {
+    while ((ch = getopt(argc, argv, "hg:bdf:a:pu:B:F:n:")) != -1) {
         switch (ch) {
             case 'h':
                 printf ("lemonbar version %s\n", VERSION);
-                printf ("usage: %s [-h | -g | -b | -d | -f | -a | -p | -u | -B | -F]\n"
+                printf ("usage: %s [-h | -g | -b | -d | -f | -a | -p | -n | -u | -B | -F]\n"
                         "\t-h Show this help\n"
                         "\t-g Set the bar geometry {width}x{height}+{xoffset}+{yoffset}\n"
                         "\t-b Put the bar at the bottom of the screen\n"
@@ -1252,12 +1258,14 @@ main (int argc, char **argv)
                         "\t-f Set the font name to use\n"
                         "\t-a Number of clickable areas available (default is 10)\n"
                         "\t-p Don't close after the data ends\n"
+                        "\t-n Set the WM_NAME atom to the specified value for this bar\n"
                         "\t-u Set the underline/overline height in pixels\n"
                         "\t-B Set background color in #AARRGGBB\n"
                         "\t-F Set foreground color in #AARRGGBB\n", argv[0]);
                 exit (EXIT_SUCCESS);
             case 'g': (void)parse_geometry_string(optarg, geom_v); break;
             case 'p': permanent = true; break;
+            case 'n': wm_name = optarg; break;
             case 'b': topbar = false; break;
             case 'd': dock = true; break;
             case 'f': font_load(optarg); break;
@@ -1293,7 +1301,7 @@ main (int argc, char **argv)
     xconn();
 
     // Do the heavy lifting
-    init();
+    init(wm_name);
     // Get the fd to Xserver
     pollin[1].fd = xcb_get_file_descriptor(c);