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import urwid
class Tab(urwid.WidgetWrap):
def __init__(self, offset, content, attr, onclick):
"""
onclick is called on click with the tab offset as argument
"""
p = urwid.Text(content, align="center")
p = urwid.Padding(p, align="center", width=("relative", 100))
p = urwid.AttrWrap(p, attr)
urwid.WidgetWrap.__init__(self, p)
self.offset = offset
self.onclick = onclick
def mouse_event(self, size, event, button, col, row, focus):
if event == "mouse press" and button == 1:
self.onclick(self.offset)
return True
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 change_tab(self, offset):
self.tab_offset = offset
self.show()
def keypress(self, size, key):
n = len(self.tabs)
if key in ["tab", "l"]:
self.change_tab((self.tab_offset + 1) % n)
elif key == "h":
self.change_tab((self.tab_offset - 1) % n)
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(
Tab(
i,
txt,
"heading",
self.change_tab
)
)
else:
headers.append(
Tab(
i,
txt,
"heading_inactive",
self.change_tab
)
)
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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