Files
gdb-gui/gui/toplevel.py
2015-05-04 21:01:18 -06:00

108 lines
3.3 KiB
Python

# Copyright (C) 2013, 2015 Tom Tromey <tom@tromey.com>
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# Toplevel handling.
import gdb
import gui.gdbutil
import gui.params
import gui.startup
import threading
from gi.repository import Pango
from gui.startup import in_gdb_thread, in_gtk_thread
class _ToplevelState(object):
def __init__(self):
gui.startup.start_gtk()
# This lock must be held when using the other globals here.
self.toplevel_lock = threading.Lock()
self.next_toplevel = 1
self.toplevels = {}
def add(self, obj):
with self.toplevel_lock:
obj.number = self.next_toplevel
self.next_toplevel = self.next_toplevel + 1
self.toplevels[obj.number] = obj
def remove(self, obj):
with self.toplevel_lock:
del self.toplevels[obj.number]
def get(self, winno):
window = None
with self.toplevel_lock:
if winno in self.toplevels:
window = self.toplevels[winno]
return window
def display(self):
with self.toplevel_lock:
if len(self.toplevels) == 0:
print "No windows"
return
print ' Num Name'
for winno in range(1, self.next_toplevel):
if winno in self.toplevels:
window = self.toplevels[winno]
print ' %3d %s' % (window.number,
window.window.get_title())
@in_gtk_thread
def _do_set_font(self, font_name):
pango_font = Pango.FontDescription(font_name)
with self.toplevel_lock:
for num in self.toplevels:
self.toplevels[num].set_font(pango_font)
@in_gdb_thread
def set_font(self, font_name):
gui.startup.send_to_gtk(lambda: self._do_set_font(font_name))
@in_gtk_thread
def windows(self):
return self.toplevels.values()
state = _ToplevelState()
class Toplevel(object):
def __init__(self, window_type):
state.add(self)
# The subclass must set this.
self.window = None
self.window_type = window_type
def destroy(self):
state.remove(self)
gui.startup.send_to_gtk(self.window.destroy)
self.window = None
def valid(self):
return self.window is not None
@in_gtk_thread
def set_font(self, pango_font):
# Subclasses can override this to be notified when the user
# changes the font.
pass
@in_gtk_thread
def update_title(self):
fmt = gui.params.title_params[self.window_type].value
title = gui.gdbutil.substitute_prompt_with_window(fmt, self)
self.window.set_title(title)