mirror of
https://github.com/tromey/gdb-gui.git
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71 lines
2.3 KiB
Python
71 lines
2.3 KiB
Python
# Copyright (C) 2013, 2015 Tom Tromey <tom@tromey.com>
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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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# Auto-updating window.
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from gui.toplevel import Toplevel
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import gui.startup
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from gui.startup import in_gdb_thread, in_gtk_thread
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import gdb
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import gui.events
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class UpdateWindow(Toplevel):
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"""A window that automatically updates in response to gdb changes.
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In particular, starting or stopping the inferior, or switching
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frames, causes this window to be eligible for updates."""
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def __init__(self, window_type):
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super(UpdateWindow, self).__init__(window_type)
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gui.startup.send_to_gtk(self.gtk_initialize)
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self._connect_events()
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# Display the data now.
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self.on_event()
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@in_gtk_thread
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def gtk_initialize(self):
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"""Subclasses should implement this method to do initialization
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in the Gtk thread."""
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pass
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# FIXME: really ought to be passing in an event here.
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@in_gdb_thread
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def on_event(self):
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"""Subclasses should implement this method.
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It is called with no arguments when the state changes."""
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pass
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@in_gdb_thread
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def _connect_events(self):
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# FIXME - we need an event for "selected frame changed".
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# ... and thread-changed
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# really just pre-prompt would be good enough
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gdb.events.stop.connect(self._on_event)
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gui.events.frame_changed.connect(self._on_event)
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@in_gdb_thread
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def _disconnect_events(self):
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gdb.events.stop.disconnect(self._on_event)
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gui.event.frame_changed.disconnect(self._on_event)
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@in_gdb_thread
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def _on_event(self, *args):
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self.on_event()
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@in_gtk_thread
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def deleted(self, *args):
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gdb.post_event(self._disconnect_events)
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self.destroy()
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