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99 lines
3.4 KiB
99 lines
3.4 KiB
import urwid
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from concurrent.futures import ThreadPoolExecutor
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class Items(urwid.ListBox):
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def __init__(self, items):
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super().__init__(self)
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walker = urwid.SimpleListWalker([urwid.AttrMap(item, None, 'reveal focus') for item in items])
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self.body = walker
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def keypress(self, size, key):
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if key in ("j", "down"):
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item_size = len(self.body)
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focus_widget, idx = self.get_focus()
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if idx < item_size - 1:
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idx = idx + 1
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self.set_focus(idx)
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return
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elif key in ("k", "up"):
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focus_widget, idx = self.get_focus()
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if idx > 0:
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idx = idx - 1
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self.set_focus(idx)
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return
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elif key in ("l", "right"):
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focus_widget, idx = self.get_focus()
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value = next(focus_widget.render((100,), focus=False).content())[1][2].decode().strip()
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feeds = tui.leftPaneItems[value]["feeds"]
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feedItems = [urwid.Columns([(4, urwid.Text(item["count"])), urwid.Text(item["name"])])
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for item in feeds]
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walker = urwid.SimpleListWalker([urwid.AttrMap(item, None, 'reveal focus') for item in feedItems])
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self.body = walker
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tui.leftBox.set_title(value)
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return
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elif key in ("h", "left"):
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feedItems = tui.feedItems
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walker = urwid.SimpleListWalker([urwid.AttrMap(item, None, 'reveal focus') for item in feedItems])
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self.body = walker
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tui.leftBox.set_title("Categories")
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return
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return super().keypress(size, key)
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class TUI(urwid.Frame):
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@classmethod
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def create(cls):
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tui = cls()
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palette = [('header', 'white', 'black'), ('reveal focus', 'black', 'dark cyan', 'standout')]
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loop = urwid.MainLoop(
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tui,
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palette,
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event_loop=urwid.AsyncioEventLoop(),
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unhandled_input=tui.unhandled_input,
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)
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tui.loop = loop
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return tui
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def __init__(self):
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self.leftPaneItems = {}
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self.activePane = False
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for i in range(0, 15):
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self.leftPaneItems["Category# " + str(i)] = {"count": str(i),
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"feeds": [{"count": str(k), "name": "Feed# " + str(k)} for k in range(0, 10)]}
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self.executor = ThreadPoolExecutor(max_workers=1)
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self.loop = None
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self.feedItems = [urwid.Columns([(4, urwid.Text(self.leftPaneItems[item]["count"])), urwid.Text(item)])
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for item in self.leftPaneItems.keys()]
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self.articleItems = [urwid.Text("Article# " + str(i)) for i in range(0, 10)]
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self.feeds = Items(self.feedItems)
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self.articles = Items(self.articleItems)
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self.leftBox = urwid.LineBox(self.feeds, title="Categories")
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self.container = urwid.Columns(
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[(40, self.leftBox),
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urwid.LineBox(self.articles, title="Articles")])
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self.body = self.container
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super().__init__(self.body)
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def run(self):
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self.loop.run()
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self.executor.shutdown(wait=False)
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def unhandled_input(self, key):
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if key == "tab":
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self.activePane = not self.activePane
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self.container.set_focus(int(self.activePane))
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elif key == "q":
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raise urwid.ExitMainLoop()
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tui = TUI.create()
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tui.run()
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