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https://sourceware.org/git/binutils-gdb.git
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4a94e36819
This commit brings all the changes made by running gdb/copyright.py as per GDB's Start of New Year Procedure. For the avoidance of doubt, all changes in this commits were performed by the script.
93 lines
3.3 KiB
Python
93 lines
3.3 KiB
Python
# Copyright (C) 2021-2022 Free Software Foundation, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# A TUI window implemented in Python that responds to, and displays,
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# stop and exit events.
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import gdb
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# When an event arrives we ask the window to redraw itself. We should
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# only do this if the window is valid. When this flag is true we
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# perform the is_valid check. When this flag is false
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perform_valid_check = True
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update_title = False
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cleanup_properly = False
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# A global place into which we can write the window title.
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titles_at_the_close = {}
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class EventWindow:
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def __init__(self, win):
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self._win = win
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self._count = 0
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win.title = "This Is The Event Window"
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self._stop_listener = lambda e: self._event("stop", e)
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gdb.events.stop.connect(self._stop_listener)
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self._exit_listener = lambda e: self._event("exit", e)
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gdb.events.exited.connect(self._exit_listener)
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self._events = []
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# Ensure we can erase and write to the window from the
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# constructor, the window should be valid by this point.
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self._win.erase()
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self._win.write("Hello world...")
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def close(self):
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global cleanup_properly
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global titles_at_the_close
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# Ensure that window properties can be read within the close method.
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titles_at_the_close[self._win.title] = dict(
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width=self._win.width, height=self._win.height
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)
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# The following calls are pretty pointless, but this ensures
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# that we can erase and write to a window from the close
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# method, the last moment a window should be valid.
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self._win.erase()
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self._win.write("Goodbye cruel world...")
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if cleanup_properly:
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# Disconnect the listeners and delete the lambda functions.
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# This removes cyclic references to SELF, and so alows SELF to
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# be deleted.
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gdb.events.stop.disconnect(self._stop_listener)
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gdb.events.exited.disconnect(self._exit_listener)
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self._stop_listener = None
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self._exit_listener = None
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def _event(self, type, event):
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global perform_valid_check
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global update_title
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self._count += 1
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self._events.insert(0, type)
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if not perform_valid_check or self._win.is_valid():
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if update_title:
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self._win.title = "This Is The Event Window (" + str(self._count) + ")"
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else:
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self.render()
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def render(self):
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self._win.erase()
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w = self._win.width
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h = self._win.height
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for i in range(min(h, len(self._events))):
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self._win.write(self._events[i] + "\n")
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gdb.register_window_type("events", EventWindow)
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