ttymode variable + document drm support

Signed-off-by: Mattias Andrée <maandree@operamail.com>

2 files changed, 7 insertions, 2 deletions

diff --git a/src/__main__.py b/src/__main__.py
index e894221..39e880f 100755
--- a/src/__main__.py
+++ b/src/__main__.py
@@ -89,7 +89,12 @@ wait_period = 60
 :float  The number of seconds to wait before invoking `periodically` again
 '''
 
-monitor_controller = lambda : randr()
+ttymode = not (('DISPLAY' in os.environ) and (':' in os.environ['DISPLAY']))
+'''
+:bool  Whether blueshift is running in a TTY, determined by the DISPLAY environment variable
+'''
+
+monitor_controller = (lambda : drm()) if ttymode else (lambda : randr())
 '''
 :()→void  Function used by Blueshift on exit to apply reset colour curves, if using preimplemented `reset`
 '''
diff --git a/src/adhoc.py b/src/adhoc.py
index 4e130af..19ece22 100644
--- a/src/adhoc.py
+++ b/src/adhoc.py
@@ -74,7 +74,7 @@ def reduce(f, items):
         rc = f(rc, items[i])
     return rc
 output = reduce(lambda x, y : x + y, [a.split(',') for a in output])
-monitor_controller = lambda : randr(*output)
+monitor_controller = lambda : (drm if ttymode else randr)(*output)
 
 def apply(dayness, pureness):
     '''