hints: Added :lastmonth

doc/man/timew.1.in

@@ -358,6 +358,7 @@ Range hints provide convenient shortcuts to date ranges:
   :quarter       This quarter
   :year          This year
   :lastweek      Last week
+  :lastmonth     Last month
 
 
 .SH CONFIGURATION FILE AND OVERRIDE OPTIONS

src/commands/CmdHelp.cpp

@@ -302,6 +302,7 @@ int CmdHelp (const CLI& cli)
                 << "  :quarter       This quarter\n"
                 << "  :year          This year\n"
                 << "  :lastweek      Last week\n"
+                << "  :lastmonth     Last month\n"
                 << '\n'
                 << '\n';
 

src/helper.cpp

@@ -149,6 +149,25 @@ bool expandIntervalHint (
                    range.end.toISOLocalExtended ()));
     return true;
   }
+  else if (hint == ":lastmonth")
+  {
+    Datetime now;
+    int y = now.year ();
+    int m = now.month () - 1;
+    if (m == 0)
+    {
+      m = 12;
+      --y;
+    }
+
+    range.start = Datetime (y, m, 1);
+    range.end   = Datetime (y, m, Datetime::daysInMonth (y, m));
+    debug (format ("Hint {1} expanded to {2} - {3}",
+                   hint,
+                   range.start.toISOLocalExtended (),
+                   range.end.toISOLocalExtended ()));
+    return true;
+  }
 
   return false;
 }

src/init.cpp

@@ -93,6 +93,7 @@ void initializeEntities (CLI& cli)
   cli.entity ("hint", ":debug");
   cli.entity ("hint", ":fill");
   cli.entity ("hint", ":ids");
+  cli.entity ("hint", ":lastmonth");
   cli.entity ("hint", ":lastweek");
   cli.entity ("hint", ":month");
   cli.entity ("hint", ":nocolor");