82 lines
2.1 KiB
Python
82 lines
2.1 KiB
Python
#!/usr/bin/env python3
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import curses
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from curses import panel
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class Menu(object):
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def __init__(self, items, stdscreen):
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self.window = stdscreen.subwin(0, 0)
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self.window.keypad(1)
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self.panel = panel.new_panel(self.window)
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self.panel.hide()
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panel.update_panels()
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self.position = 0
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self.items = items
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self.items.append(("exit", "exit"))
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def navigate(self, n):
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self.position += n
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if self.position < 0:
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self.position = 0
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elif self.position >= len(self.items):
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self.position = len(self.items) - 1
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def display(self):
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self.panel.top()
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self.panel.show()
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self.window.clear()
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while True:
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self.window.refresh()
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curses.doupdate()
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for index, item in enumerate(self.items):
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if index == self.position:
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mode = curses.A_REVERSE
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else:
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mode = curses.A_NORMAL
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msg = "%d. %s" % (index, item[0])
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self.window.addstr(1 + index, 1, msg, mode)
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key = self.window.getch()
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if key in [curses.KEY_ENTER, ord("\n")]:
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if self.position == len(self.items) - 1:
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break
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else:
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self.items[self.position][1]()
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elif key == curses.KEY_UP:
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self.navigate(-1)
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elif key == curses.KEY_DOWN:
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self.navigate(1)
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self.window.clear()
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self.panel.hide()
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panel.update_panels()
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curses.doupdate()
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class MyApp(object):
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def __init__(self, stdscreen):
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self.screen = stdscreen
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curses.curs_set(0)
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submenu_items = [("beep", curses.beep), ("flash", curses.flash)]
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submenu = Menu(submenu_items, self.screen)
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main_menu_items = [
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("beep", curses.beep),
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("flash", curses.flash),
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("submenu", submenu.display),
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]
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main_menu = Menu(main_menu_items, self.screen)
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main_menu.display()
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if __name__ == "__main__":
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curses.wrapper(MyApp)
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