[Feature Request] Option in config to change character used to display...

[Feature Request] Option in config to change character used to display percentage in Quicklook #1511

conf/glances.conf

@@ -27,6 +27,8 @@ max_processes_display=30
 # Set to true to disable a plugin
 # Note: you can also disable it from the command line (see --disable-plugin)
 disable=false
+# Graphical percentage char used in the terminal user interface (default is |)
+percentage_char=|
 # Define CPU, MEM and SWAP thresholds in %
 cpu_careful=50
 cpu_warning=70

glances/outputs/glances_bars.py

@@ -23,8 +23,6 @@ from __future__ import division
 
 from math import modf
 
-curses_bars = [' ', ' ', ' ', ' ', '|', '|', '|', '|', '|']
-
 
 class Bar(object):
 
@@ -40,7 +38,12 @@ class Bar(object):
         sys.stdout.flush()
     """
 
-    def __init__(self, size, pre_char='[', post_char=']', empty_char=' ', with_text=True):
+    def __init__(self, size,
+                 percentage_char='|', empty_char=' ',
+                 pre_char='[', post_char=']',
+                 with_text=True):
+        # Build curses_bars
+        self.__curses_bars = [empty_char] * 5 + [percentage_char] * 5
         # Bar size
         self.__size = size
         # Bar current percent
@@ -85,9 +88,9 @@ class Bar(object):
     def get(self):
         """Return the bars."""
         frac, whole = modf(self.size * self.percent / 100.0)
-        ret = curses_bars[8] * int(whole)
+        ret = self.__curses_bars[8] * int(whole)
         if frac > 0:
-            ret += curses_bars[int(frac * 8)]
+            ret += self.__curses_bars[int(frac * 8)]
             whole += 1
         ret += self.__empty_char * int(self.size - whole)
         if self.__with_text:

glances/plugins/glances_plugin.py

@@ -726,7 +726,7 @@ class GlancesPlugin(object):
         # Return the action list
         return log_tag[0].lower() == 'true'
 
-    def get_conf_value(self, value, header="", plugin_name=None):
+    def get_conf_value(self, value, header="", plugin_name=None, default=[]):
         """Return the configuration (header_) value for the current plugin.
 
         ...or the one given by the plugin_name var.
@@ -742,7 +742,7 @@ class GlancesPlugin(object):
         try:
             return self._limits[plugin_name + '_' + value]
         except KeyError:
-            return []
+            return default
 
     def is_hide(self, value, header=""):
         """Return True if the value is in the hide configuration list.

glances/plugins/glances_quicklook.py

@@ -129,7 +129,9 @@ class Plugin(GlancesPlugin):
             sparkline_tag = data.available
         if not sparkline_tag:
             # Fallback to bar if Sparkline module is not installed
-            data = Bar(max_width)
+            data = Bar(max_width,
+                       percentage_char=self.get_conf_value('percentage_char',
+                                                           default=['|'])[0])
 
         # Build the string message
         if 'cpu_name' in self.stats and 'cpu_hz_current' in self.stats and 'cpu_hz' in self.stats: