Calendar coloring

- Added 3 new color configuration variables to colorize today, days with due tasks
  and days with overdue tasks in the calendar:
  'calendar.color.today', 'color.calendar.due' and 'calendar.calendar.overdue'

ChangeLog

@@ -36,6 +36,9 @@
  + Added 2 new configuration variables to display the details of tasks with due
    dates when doing a 'task cal' for the corresponding months:
    'calendar.details' and 'calendar.details.report'
+ + Added 3 new color configuration variables to colorize today, days with due tasks
+   and days with overdue tasks in the calendar:
+   'calendar.color.today', 'color.calendar.due' and 'calendar.calendar.overdue'
  + Fixed bug #316 which caused the timesheet report to display an oddly sorted
    list.
  + Fixed bug #317 which colored tasks in the 'completed' report according to

doc/man/taskrc.5

@@ -300,6 +300,18 @@ Colors any of the messages printed after the report output.
 .TP
 .B color.footnote=green
 Colors any of the messages printed last.
+
+.TP
+.B color.calendar.today=cyan
+Color of today in calendar.
+
+.TP
+.B color.calendar.due=black on yellow
+Color of days with due tasks in calendar.
+
+.TP
+.B color.calendar.overdue=black on red
+Color of days with overdue tasks in calendar
 .RE
 
 .SS SHADOW FILE

src/Config.cpp

@@ -172,6 +172,9 @@ void Config::createDefaultRC (const std::string& rc, const std::string& data)
            << "#color.recurring=on_red                # Color of recur.any: tasks\n"
            << "#color.header=bold_green               # Color of header messages\n"
            << "#color.footnote=bold_green             # Color of footnote messages\n"
+           << "color.calendar.today=cyan              # Color of today in calendar\n"
+           << "color.calendar.due=black on yellow     # Color of days with due tasks in calendar\n"
+           << "color.calendar.overdue=black on red    # Color of days with overdue tasks in calendar\n"
            << "\n"
            << "#shadow.file=/tmp/shadow.txt           # Location of shadow file\n"
            << "#shadow.command=list                   # Task command for shadow file\n"

src/command.cpp

@@ -554,6 +554,7 @@ int handleConfig (std::string &outs)
     " blanklines bulk calendar.details calendar.details.report color color.active "
     "color.due color.overdue color.pri.H color.pri.L color.pri.M color.pri.none "
     "color.recurring color.tagged color.footnote color.header color.debug color.alternate "
+    "color.calendar.today color.calendar.due color.calendar.overdue "
     "confirmation curses data.location dateformat debug default.command default.priority "
     "default.project defaultwidth due locale displayweeknumber echo.command "
     "locking monthsperline nag next project shadow.command shadow.file "

src/report.cpp

@@ -1430,11 +1430,15 @@ std::string renderMonths (
 
       table.addCell (row, thisCol, d);
 
+      Color color_today   (context.config.get ("color.calendar.today", "cyan"));
+      Color color_due     (context.config.get ("color.calendar.due", "black on yellow"));
+      Color color_overdue (context.config.get ("color.calendar.overdue", "black on red"));
+
       if ((context.config.get ("color", true) || context.config.get (std::string ("_forcecolor"), false)) &&
           today.day ()   == d                &&
           today.month () == months.at (mpl)  &&
           today.year ()  == years.at (mpl))
-        table.setCellColor (row, thisCol, Color (Color::cyan));
+        table.setCellColor (row, thisCol, color_today);
 
       foreach (task, all)
       {
@@ -1447,10 +1451,7 @@ std::string renderMonths (
               due.day ()   == d               &&
               due.month () == months[mpl] &&
               due.year ()  == years[mpl])
-          {
-            Color c (Color::black, (due < today ? Color::red : Color::yellow));
-            table.setCellColor (row, thisCol, c);
-          }
+            table.setCellColor (row, thisCol, (due < today ? color_overdue : color_due));
         }
       }
 
@@ -1632,9 +1633,9 @@ int handleReportCalendar (std::string &outs)
     }
   }
 
-  Color color_today   (Color::cyan);
-  Color color_due     (Color::black, Color::yellow);
-  Color color_overdue (Color::black, Color::red);
+  Color color_today   (context.config.get ("color.calendar.today", "cyan"));
+  Color color_due     (context.config.get ("color.calendar.due", "black on yellow"));
+  Color color_overdue (context.config.get ("color.calendar.overdue", "black on red"));
 
   if (context.config.get ("color", true) || context.config.get (std::string ("_forcecolor"), false))
     out << "Legend: "

src/tests/cal.t

@@ -30,7 +30,7 @@
 
 use strict;
 use warnings;
-use Test::More tests => 36;
+use Test::More tests => 58;
 
 # Create the rc file.
 if (open my $fh, '>', 'cal.rc')