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authorMattias Andrée <maandree@operamail.com>2014-03-31 01:12:04 +0200
committerMattias Andrée <maandree@operamail.com>2014-03-31 01:12:04 +0200
commita0880988b0eac6fcea4a6dfea65f50b33699b52e (patch)
treea8cf3bd2e4c7db6d6e3dbb964e3121b5defcb733
parentdocument (diff)
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document
Signed-off-by: Mattias Andrée <maandree@operamail.com>
-rwxr-xr-xsrc/__main__.py32
1 files changed, 29 insertions, 3 deletions
diff --git a/src/__main__.py b/src/__main__.py
index 49334e6..f6352c6 100755
--- a/src/__main__.py
+++ b/src/__main__.py
@@ -416,7 +416,7 @@ def continuous_run():
trans_alpha = 1
## Used to test if fading should still be used
- with_fadein = lambda : (fadein_steps > 0) and (fadein_time is not None)
+ with_fadein = lambda : (fadein_steps > 0) and (fadein_time is not None) and not panicgate
with_fadeout = lambda : (fadeout_steps > 0) and (fadeout_time is not None)
## Run until we get a signal to exit
@@ -438,32 +438,58 @@ def continuous_run():
sleep(wait_period)
elif trans_delta < 0:
## Fade in
- if with_fadein() and not panicgate:
+ # If we are using fading,
+ if with_fadein():
+ # and just started
if trans_alpha == 0:
+ # Apply fully clean adjustments,
p(now(), 1 - trans_alpha)
+ # and and sleep for a short period.
sleep(fadein_time / fadein_steps)
+ # Then step towards adjusted state
trans_alpha -= 1 / fadein_steps
- if not (with_fadein() and not panicgate):
+ # If we are not fading, which might actually
+ # have beend should from `periodically`, which
+ # is invoked by `p`,
+ if not with_fadein():
+ # The jump to adjusted state and
+ # stop transitioning
trans_alpha = trans_delta = 0
+ # Then apply adjusetents
p(now(), 1 - trans_alpha)
+ # And if we are using fading at this point,
if with_fadein():
+ # wait for a short period.
sleep(fadein_time / fadein_steps)
else:
## Fade out
if with_fadeout():
+ # Step towards clean adjustments if we are using fading
trans_alpha += 1 / fadeout_steps
+ # If we have clean adjustments (or hyperclean), or
+ # if we do not using fading
if (trans_alpha >= 1) or not with_fadeout():
+ # set the adjustments to clean.
trans_alpha = 1
+ # Apply adjustments. If `trans_alpha` is 0, we have `fade = -1`
+ # which means that we are fading away from adjustements but are
+ # still at 100 % adjustments, moving towards `fade = 0` we are
+ # removing the adjustments gradually.
p(now(), -1 + trans_alpha)
+ # If we have reached a fully clean adjustment state,
if trans_alpha == 1:
try:
+ # then sleep until we gate a wakeup signal,
+ # which would be at the next SIGUSR2.
with sleep_condition:
sleep_condition.wait()
except KeyboardInterrupt:
# Emulate `kill -TERM` on Control+c
signal_SIGTERM(0, None)
else:
+ # Otherwise, if are are using fading
if with_fadeout():
+ # we sleep for a short period.
sleep(fadeout_time / fadeout_steps)
## Fade out