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[themes] Add "cycle" theme capability

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It is now possible to add a list of theme configurations in the
"default" section called "cycle". These configuration items will be
cycled through module by module. to create "alternate style" effects.
This is *only* possible in the "default" configuration part, but any
module-specific configurations still take precedence.

Also, removed the capability of per-widget themes. That simply
complicates things and probably doesn't really bring any benefits.
This commit is contained in:
Tobias Witek 2016-10-31 10:45:15 +01:00
parent 656c499c95
commit 2a35905b89
8 changed files with 57 additions and 19 deletions
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27
bumblebee/theme.py
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@ -1,13 +1,20 @@
import os
import json
class Theme:
_cycle_index = 0
_cycle = None
def __init__(self, name="default"):
self._data = None
path = os.path.dirname(os.path.realpath(__file__))
with open("{}/themes/{}.json".format(path, name)) as f:
self._data = json.load(f)
self._defaults = self._data.get("defaults", {})
self._cycle = self._defaults.get("cycle", [])
self.reset()
def _gettheme(self, obj, key):
module = obj.__module__.split(".")[-1]
@ -17,6 +24,9 @@ class Theme:
value = self._defaults.get(key, value)
value = module_theme.get(key, value)
if len(self._cycle) > 0:
value = self._defaults["cycle"][self._cycle_index].get(key, value)
if hasattr(obj, "state"):
state = getattr(obj, "state")()
state_theme = module_theme.get("states", {}).get(state, {})
@ -25,11 +35,26 @@ class Theme:
return value
def reset(self):
self._cycle_index = 0
self._previous_background = None
self._background = None
def next(self):
self._cycle_index += 1
self._previous_background = self._background
if self._cycle_index >= len(self._cycle):
self._cycle_index = 0
def color(self, obj):
return self._gettheme(obj, "fg")
def background(self, obj):
return self._gettheme(obj, "bg")
self._background = self._gettheme(obj, "bg")
return self._background
def previous_background(self):
return self._previous_background
def separator(self, obj):
return self._gettheme(obj, "separator")