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# pylint: disable=C0111,R0903
"""Displays two widgets that can be used to scroll the whole status bar
Parameters:
* scroll.width: Width (in number of widgets) to display
"""
import core.module
import core.widget
import core.input
import core.event
import util.format
class Module(core.module.Module):
def __init__(self, config, theme):
super().__init__(config, theme, [])
self.__offset = 0
self.__widgetcount = 0
w = self.add_widget(full_text = "<")
core.input.register(w, button=core.input.LEFT_MOUSE, cmd=self.scroll_left)
w = self.add_widget(full_text = ">")
core.input.register(w, button=core.input.LEFT_MOUSE, cmd=self.scroll_right)
self.__width = util.format.asint(self.parameter("width"))
config.set("output.width", self.__width)
core.event.register("output.done", self.update_done)
def scroll_left(self, _):
if self.__offset > 0:
core.event.trigger("output.scroll-left")
def scroll_right(self, _):
if self.__offset + self.__width < self.__widgetcount:
core.event.trigger("output.scroll-right")
def update_done(self, offset, widgetcount):
self.__offset = offset
self.__widgetcount = widgetcount
def scroll(self):
return False
def state(self, widget):
if widget.id == self.widgets()[0].id:
if self.__offset == 0:
return ["warning"]
elif self.__offset + self.__width >= self.__widgetcount:
return ["warning"]
return []
# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
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