gstreamer/debug-viewer/GstDebugViewer/GUI/app.py

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# -*- coding: utf-8; mode: python; -*-
#
# GStreamer Debug Viewer - View and analyze GStreamer debug log files
#
# Copyright (C) 2007 René Stadler <mail@renestadler.de>
#
# 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/>.
"""GStreamer Debug Viewer GUI module."""
import os.path
from gi.repository import GObject
from gi.repository import Gtk
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from GstDebugViewer import Common
from GstDebugViewer.GUI.columns import ViewColumnManager
from GstDebugViewer.GUI.window import Window
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class AppStateSection (Common.GUI.StateSection):
_name = "state"
geometry = Common.GUI.StateInt4("window-geometry")
maximized = Common.GUI.StateBool("window-maximized")
column_order = Common.GUI.StateItemList("column-order", ViewColumnManager)
columns_visible = Common.GUI.StateItemList(
"columns-visible", ViewColumnManager)
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zoom_level = Common.GUI.StateInt("zoom-level")
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class AppState (Common.GUI.State):
def __init__(self, *a, **kw):
Common.GUI.State.__init__(self, *a, **kw)
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self.add_section_class(AppStateSection)
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class App (object):
def __init__(self):
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self.attach()
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def load_plugins(self):
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from GstDebugViewer import Plugins
plugin_classes = list(
Plugins.load([os.path.dirname(Plugins.__file__)]))
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self.plugins = []
for plugin_class in plugin_classes:
plugin = plugin_class(self)
self.plugins.append(plugin)
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def iter_plugin_features(self):
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for plugin in self.plugins:
for feature in plugin.features:
yield feature
def attach(self):
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config_home = Common.utils.XDG.CONFIG_HOME
state_filename = os.path.join(
config_home, "gst-debug-viewer", "state")
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self.state = AppState(state_filename)
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self.state_section = self.state.sections["state"]
self.load_plugins()
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self.windows = []
# we override expander size because of:
# https://bugzilla.gnome.org/show_bug.cgi?id=615985
rcstring = """
style "no-expander-treeview-style" {
GtkTreeView::expander_size = 1
#GtkTreeView::vertical-separator = 0
GtkWidget::focus-line-width = 0
}
widget "*.log_view" style "no-expander-treeview-style"
"""
Gtk.rc_parse_string(rcstring)
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self.open_window()
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def detach(self):
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# TODO: If we take over deferred saving from the inspector, specify now
# = True here!
self.state.save()
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def run(self):
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try:
Common.Main.MainLoopWrapper(Gtk.main, Gtk.main_quit).run()
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except:
raise
else:
self.detach()
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def open_window(self):
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self.windows.append(Window(self))
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def close_window(self, window):
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self.windows.remove(window)
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if not self.windows:
# GtkTreeView takes some time to go down for large files. Let's block
# until the window is hidden:
GObject.idle_add(Gtk.main_quit)
Gtk.main()
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Gtk.main_quit()