From 6225b29d9484b8a6e0822e7b55f96051c6d03cb9 Mon Sep 17 00:00:00 2001
From: Dave Davenport <qball@gmpclient.org>
Date: Fri, 19 Aug 2016 18:01:26 +0200
Subject: [PATCH] Issue 448,  Take another default that should not fail, better
 error mesg

---
 config/config.c           |  2 +-
 doc/rofi-manpage.markdown |  2 +-
 source/helper.c           | 16 +++++++++++++++-
 3 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/config/config.c b/config/config.c
index e3b8f83f..1a9da3b0 100644
--- a/config/config.c
+++ b/config/config.c
@@ -112,7 +112,7 @@ Settings config = {
     .tokenize   = TRUE,
     .regex      = FALSE,
     /** Monitor */
-    .monitor           = "-1",
+    .monitor           = "-5",
     /** set line margin */
     .line_margin       =                                         2,
     /** Set filter */
diff --git a/doc/rofi-manpage.markdown b/doc/rofi-manpage.markdown
index 2b9b0b2c..14014343 100644
--- a/doc/rofi-manpage.markdown
+++ b/doc/rofi-manpage.markdown
@@ -388,7 +388,7 @@ detection).  Negative numbers are handled differently:
  *  **-4**: the monitor with the focused window.
  *  **-5**: the monitor that shows the mouse pointer.
 
-    Default: *-1*
+    Default: *-5*
 
 See `rofi -h` output for the detected monitors, their position and size.
 
diff --git a/source/helper.c b/source/helper.c
index 905babfd..f74203d1 100644
--- a/source/helper.c
+++ b/source/helper.c
@@ -49,6 +49,13 @@
 #include "rofi.h"
 #include "view.h"
 
+const char *const       monitor_position_entries[] = {
+    "on focused monitor",
+    "on focused window",
+    "at mouse pointer",
+    "on monitor with focused window",
+    "on monitor that has mouse pointer"
+};
 extern xcb_connection_t *xcb_connection;
 extern xcb_screen_t     *xcb_screen;
 static int              stored_argc   = 0;
@@ -482,7 +489,14 @@ int config_sanity_check ( void )
             ssize = MIN ( mon.w, mon.h );
         }
         else{
-            g_string_append_printf ( msg, "\t<b>config.monitor</b>=%s Could not find monitor.\n", config.monitor );
+            const char *name = config.monitor;
+            if ( name && name[0] == '-' ) {
+                int index = name[1] - '0';
+                if ( index < 5 && index > 0 ) {
+                    name = monitor_position_entries[index - 1];
+                }
+            }
+            g_string_append_printf ( msg, "\t<b>config.monitor</b>=%s Could not find monitor.\n", name );
             ssize = 0;
         }
         // Have todo an estimate here.