lldb/utils/lui/sandbox.py

   1 #!/usr/bin/env python
   2 ##===-- sandbox.py -------------------------------------------*- Python -*-===##
   3 ##
   4 # Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   5 # See https://llvm.org/LICENSE.txt for license information.
   6 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   7 ##
   8 ##===----------------------------------------------------------------------===##
   9
  10
  11 import curses
  12
  13 import os
  14 import signal
  15 import sys
  16
  17 try:
  18     import queue
  19 except ImportError:
  20     import Queue as queue
  21
  22 import cui
  23
  24 event_queue = None
  25
  26
  27 class SandboxUI(cui.CursesUI):
  28     def __init__(self, screen, event_queue):
  29         super(SandboxUI, self).__init__(screen, event_queue)
  30
  31         height, width = self.screen.getmaxyx()
  32         w2 = width / 2
  33         h2 = height / 2
  34
  35         self.wins = []
  36         # self.wins.append(cui.TitledWin(w2, h2, w2, h2, "Test Window 4"))
  37         list_win = cui.ListWin(w2, h2, w2, h2)
  38         for i in range(0, 40):
  39             list_win.addItem("Item %s" % i)
  40         self.wins.append(list_win)
  41         self.wins.append(cui.TitledWin(0, 0, w2, h2, "Test Window 1"))
  42         self.wins.append(cui.TitledWin(w2, 0, w2, h2, "Test Window 2"))
  43         self.wins.append(cui.TitledWin(0, h2, w2, h2, "Test Window 3"))
  44
  45         # def callback(s, content):
  46         #  self.wins[0].win.scroll(1)
  47         #  self.wins[0].win.addstr(10, 0, '%s: %s' % (s, content))
  48         #  self.wins[0].win.scroll(1)
  49         #  self.el.showPrompt(10, 0)
  50
  51         # self.wins[0].win.scrollok(1)
  52         # self.el = cui.CursesEditLine(self.wins[0].win, None,
  53         #  lambda c: callback('got', c), lambda c: callback('tab', c))
  54         # self.el.prompt = '>>> '
  55         # self.el.showPrompt(10, 0)
  56
  57     def handleEvent(self, event):
  58         if isinstance(event, int):
  59             if event == ord("q"):
  60                 sys.exit(0)
  61             # self.el.handleEvent(event)
  62         super(SandboxUI, self).handleEvent(event)
  63
  64
  65 def main(screen):
  66     global event_queue
  67     event_queue = queue.Queue()
  68
  69     sandbox = SandboxUI(screen, event_queue)
  70     sandbox.eventLoop()
  71
  72
  73 if __name__ == "__main__":
  74     try:
  75         curses.wrapper(main)
  76     except KeyboardInterrupt:
  77         exit()