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import urwid
class Tabs(urwid.WidgetWrap):
def __init__(self, tabs, tab_offset=0):
urwid.WidgetWrap.__init__(self, "")
self.tab_offset = tab_offset
self.tabs = tabs
self.show()
def _tab(self, content, attr):
p = urwid.Text(content, align="center")
p = urwid.Padding(p, align="center", width=("relative", 100))
p = urwid.AttrWrap(p, attr)
return p
def keypress(self, size, key):
if key in ["tab", "l"]:
self.tab_offset = (self.tab_offset + 1) % (len(self.tabs))
self.show()
elif key == "h":
self.tab_offset = (self.tab_offset - 1) % (len(self.tabs))
self.show()
return self._w.keypress(size, key)
def show(self):
headers = []
for i in range(len(self.tabs)):
txt = self.tabs[i][0]()
if i == self.tab_offset:
headers.append(self._tab(txt, "heading"))
else:
headers.append(self._tab(txt, "heading_inactive"))
headers = urwid.Columns(headers, dividechars=1)
self._w = urwid.Frame(
body = self.tabs[self.tab_offset][1](),
header = headers
)
self._w.set_focus("body")
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