gdb/testsuite/gdb.python/tui-window.py

   1 # Copyright (C) 2020-2022 Free Software Foundation, Inc.
   2 #
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 # A TUI window implemented in Python.
  17
  18 import gdb
  19
  20 the_window = None
  21
  22
  23 class TestWindow:
  24     def __init__(self, win):
  25         global the_window
  26         the_window = self
  27         self.count = 0
  28         self.win = win
  29         win.title = "This Is The Title"
  30
  31     def render(self):
  32         self.win.erase()
  33         w = self.win.width
  34         h = self.win.height
  35         self.win.write("Test: " + str(self.count) + " " + str(w) + "x" + str(h))
  36         self.count = self.count + 1
  37
  38     # Tries to delete the title attribute.  GDB will throw an error.
  39     def remove_title(self):
  40         del self.win.title
  41
  42
  43 gdb.register_window_type("test", TestWindow)
  44
  45 # Call REMOVE_TITLE on the global window object.
  46 def delete_window_title():
  47     the_window.remove_title()
  48
  49
  50 # A TUI window "constructor" that always fails.
  51 def failwin(win):
  52     raise RuntimeError("Whoops")
  53
  54
  55 gdb.register_window_type("fail", failwin)