157 lines
4.6 KiB
Python
157 lines
4.6 KiB
Python
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import textwrap
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import urwid
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from mitmproxy import command
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from mitmproxy.tools.console import layoutwidget
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from mitmproxy.tools.console import signals
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from mitmproxy.utils import signals as utils_signals
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HELP_HEIGHT = 5
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command_focus_change = utils_signals.SyncSignal(lambda text: None)
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class CommandItem(urwid.WidgetWrap):
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def __init__(self, walker, cmd: command.Command, focused: bool):
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self.walker, self.cmd, self.focused = walker, cmd, focused
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super().__init__(self.get_widget())
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def get_widget(self):
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parts = [("focus", ">> " if self.focused else " "), ("title", self.cmd.name)]
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if self.cmd.parameters:
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parts += [
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("text", " "),
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("text", " ".join(str(param) for param in self.cmd.parameters)),
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]
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if self.cmd.return_type:
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parts += [
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("title", " -> "),
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("text", command.typename(self.cmd.return_type)),
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]
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return urwid.AttrMap(urwid.Padding(urwid.Text(parts)), "text")
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def get_edit_text(self):
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return self._w[1].get_edit_text()
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def selectable(self):
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return True
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def keypress(self, size, key):
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return key
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class CommandListWalker(urwid.ListWalker):
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def __init__(self, master):
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self.master = master
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self.index = 0
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self.refresh()
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def refresh(self):
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self.cmds = list(self.master.commands.commands.values())
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self.cmds.sort(key=lambda x: x.signature_help())
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self.set_focus(self.index)
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def get_edit_text(self):
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return self.focus_obj.get_edit_text()
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def _get(self, pos):
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cmd = self.cmds[pos]
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return CommandItem(self, cmd, pos == self.index)
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def get_focus(self):
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return self.focus_obj, self.index
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def set_focus(self, index: int) -> None:
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cmd = self.cmds[index]
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self.index = index
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self.focus_obj = self._get(self.index)
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command_focus_change.send(cmd.help or "")
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def get_next(self, pos):
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if pos >= len(self.cmds) - 1:
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return None, None
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pos = pos + 1
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return self._get(pos), pos
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def get_prev(self, pos):
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pos = pos - 1
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if pos < 0:
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return None, None
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return self._get(pos), pos
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class CommandsList(urwid.ListBox):
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def __init__(self, master):
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self.master = master
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self.walker = CommandListWalker(master)
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super().__init__(self.walker)
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def keypress(self, size: int, key: str):
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if key == "m_select":
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foc, idx = self.get_focus()
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signals.status_prompt_command.send(partial=foc.cmd.name + " ")
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elif key == "m_start":
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self.set_focus(0)
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self.walker._modified()
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elif key == "m_end":
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self.set_focus(len(self.walker.cmds) - 1)
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self.walker._modified()
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return super().keypress(size, key)
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class CommandHelp(urwid.Frame):
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def __init__(self, master):
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self.master = master
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super().__init__(self.widget(""))
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self.set_active(False)
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command_focus_change.connect(self.sig_mod)
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def set_active(self, val):
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h = urwid.Text("Command Help")
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style = "heading" if val else "heading_inactive"
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self.header = urwid.AttrMap(h, style)
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def widget(self, txt):
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cols, _ = self.master.ui.get_cols_rows()
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return urwid.ListBox([urwid.Text(i) for i in textwrap.wrap(txt, cols)])
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def sig_mod(self, txt):
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self.body = self.widget(txt)
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class Commands(urwid.Pile, layoutwidget.LayoutWidget):
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title = "Command Reference"
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keyctx = "commands"
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focus_position: int
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def __init__(self, master):
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oh = CommandHelp(master)
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super().__init__(
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[
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CommandsList(master),
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(HELP_HEIGHT, oh),
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]
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)
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self.master = master
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def layout_pushed(self, prev):
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self.widget_list[0].walker.refresh()
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def keypress(self, size, key):
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if key == "m_next":
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self.focus_position = (self.focus_position + 1) % len(self.widget_list)
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self.widget_list[1].set_active(self.focus_position == 1)
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key = None
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# This is essentially a copypasta from urwid.Pile's keypress handler.
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# So much for "closed for modification, but open for extension".
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item_rows = None
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if len(size) == 2:
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item_rows = self.get_item_rows(size, focus=True)
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i = self.widget_list.index(self.focus_item)
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tsize = self.get_item_size(size, i, True, item_rows)
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return self.focus_item.keypress(tsize, key)
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