Feature #682

- Added feature #682, which allows the configuration variable 'defaultheight'
  to override the assumed height of 24 lines when 'detection' is not enabled
  (thanks to Steve Rader).

src/Config.cpp

@@ -71,6 +71,7 @@ std::string Config::defaults =
   "# Terminal\n"
   "detection=on                                   # Detects terminal width\n"
   "defaultwidth=80                                # Without detection, assumed width\n"
+  "defaultheight=24                               # Without detection, assumed height\n"
   "avoidlastcolumn=no                             # Fixes Cygwin width problem\n"
   "hyphenate=on                                   # Hyphenates lines wrapped on non-word-breaks\n"
   "#editor=vi                                     # Preferred text editor\n"

src/commands/CmdShow.cpp

@@ -134,6 +134,7 @@ int CmdShow::execute (std::string& output)
     " default.due"
     " default.priority"
     " default.project"
+    " defaultheight"
     " defaultwidth"
     " dependency.confirmation"
     " dependency.indicator"

src/interactive.cpp

@@ -80,7 +80,12 @@ int Context::getWidth ()
 ////////////////////////////////////////////////////////////////////////////////
 int Context::getHeight ()
 {
-  int height = 24;
+  // Determine window size.
+  int height = config.getInteger ("defaultheight");
+
+  // A zero height value means 'infinity', which is approximated here by 2^16.
+  if (height == 0)
+    return 65536;
 
   if (config.getBoolean ("detection"))
   {