gstreamer/debug-viewer/GstDebugViewer/Plugins/Timeline.py
René Stadler 2d508773cc timeline: make log level calculation a lot faster
This is the step where the timeline graph gets colored with the individual log
level colors. It's roughly 4.5 times faster now. Probably can be made even
better, the code also needs a cleanup.
2014-09-11 20:51:48 +02:00

1051 lines
31 KiB
Python

# -*- 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 timeline widget plugin."""
import logging
from GstDebugViewer import Common, Data
from GstDebugViewer.GUI.colors import LevelColorThemeTango, ThreadColorThemeTango
from GstDebugViewer.Plugins import *
import gobject
import gtk
import cairo
def iter_model_reversed (model):
count = model.iter_n_children (None)
for i in xrange (count - 1, 0, -1):
yield model[i]
class LineFrequencySentinel (object):
def __init__ (self, model):
self.model = model
self.clear ()
def clear (self):
self.data = None
self.n_partitions = None
self.partitions = None
self.step = None
self.ts_range = None
def _search_ts (self, target_ts, first_index, last_index):
model_get = self.model.get_value
model_iter_nth_child = self.model.iter_nth_child
col_id = self.model.COL_TIME
# TODO: Rewrite using a lightweight view object + bisect.
while True:
middle = (last_index - first_index) // 2 + first_index
if middle == first_index:
return first_index
ts = model_get (model_iter_nth_child (None, middle), col_id)
if ts < target_ts:
first_index = middle
elif ts > target_ts:
last_index = middle
else:
return middle
def run_for (self, n):
if n == 0:
raise ValueError ("illegal value for n")
self.n_partitions = n
def process (self):
model = self.model
result = []
partitions = []
first_ts = None
for row in self.model:
first_ts = row[model.COL_TIME]
if first_ts is not None:
break
if first_ts is None:
return
last_ts = None
i = 0
UNPARSABLE_LIMIT = 500
for row in iter_model_reversed (self.model):
last_ts = row[model.COL_TIME]
# FIXME: We ignore 0 here (unparsable lines!), this should be
# handled differently!
i += 1
if i == UNPARSABLE_LIMIT:
break
if last_ts:
last_index = row.path[0]
break
if last_ts is None or last_ts < first_ts:
return
step = int (float (last_ts - first_ts) / float (self.n_partitions))
YIELD_LIMIT = 100
limit = YIELD_LIMIT
first_index = 0
target_ts = first_ts + step
old_found = 0
while target_ts < last_ts:
limit -= 1
if limit == 0:
limit = YIELD_LIMIT
yield True
found = self._search_ts (target_ts, first_index, last_index)
result.append (found - old_found)
partitions.append (found)
old_found = found
first_index = found
target_ts += step
if step == 0:
result = []
partitions = []
self.step = step
self.data = result
self.partitions = partitions
self.ts_range = (first_ts, last_ts,)
class LevelDistributionSentinel (object):
def __init__ (self, freq_sentinel, model):
self.freq_sentinel = freq_sentinel
self.model = model
self.data = []
def clear (self):
del self.data[:]
def process (self):
MAX_LEVELS = 8
YIELD_LIMIT = 10000
y = YIELD_LIMIT
model_get = self.model.get_value
model_next = self.model.iter_next
id_time = self.model.COL_TIME
id_level = self.model.COL_LEVEL
del self.data[:]
data = self.data
i = 0
partitions_i = 0
partitions = self.freq_sentinel.partitions
counts = [0] * MAX_LEVELS
tree_iter = self.model.get_iter_first ()
if not partitions:
return
level_index = 0
level_iter = None
finished = False
while tree_iter:
y -= 1
if y == 0:
y = YIELD_LIMIT
yield True
if level_iter is None:
stop_index = level_index + 512
levels = self.model.get_value_range (id_level,
level_index, stop_index)
level_index = stop_index
level_iter = iter (levels)
try:
level = level_iter.next ()
except StopIteration:
level_iter = None
continue
while i > partitions[partitions_i]:
data.append (tuple (counts))
counts = [0] * MAX_LEVELS
partitions_i += 1
if partitions_i == len (partitions):
finished = True
break
if finished:
break
counts[level] += 1
i += 1
# Now handle the last one:
data.append (tuple (counts))
yield False
class UpdateProcess (object):
def __init__ (self, freq_sentinel, dist_sentinel):
self.freq_sentinel = freq_sentinel
self.dist_sentinel = dist_sentinel
self.is_running = False
self.dispatcher = Common.Data.GSourceDispatcher ()
def __process (self):
if self.freq_sentinel is None or self.dist_sentinel is None:
return
self.is_running = True
for x in self.freq_sentinel.process ():
yield True
self.handle_sentinel_finished (self.freq_sentinel)
for x in self.dist_sentinel.process ():
yield True
self.handle_sentinel_progress (self.dist_sentinel)
self.is_running = False
self.handle_sentinel_finished (self.dist_sentinel)
self.handle_process_finished ()
yield False
def run (self):
if self.is_running:
return
self.dispatcher (self.__process ())
def abort (self):
if not self.is_running:
return
self.dispatcher.cancel ()
self.is_running = False
def handle_sentinel_progress (self, sentinel):
pass
def handle_sentinel_finished (self, sentinel):
pass
def handle_process_finished (self):
pass
class VerticalTimelineWidget (gtk.DrawingArea):
__gtype_name__ = "GstDebugViewerVerticalTimelineWidget"
def __init__ (self, log_view):
gtk.DrawingArea.__init__ (self)
self.logger = logging.getLogger ("ui.vtimeline")
self.log_view = log_view
self.theme = ThreadColorThemeTango ()
self.params = None
self.thread_colors = {}
self.next_thread_color = 0
try:
self.set_tooltip_text (_("Vertical timeline\n"
"Different colors represent different threads"))
except AttributeError:
# Compatibility.
pass
def do_expose_event (self, event):
self.__draw (self.window)
return True
def do_configure_event (self, event):
self.params = None
self.queue_draw ()
return False
def __draw (self, drawable):
ctx = drawable.cairo_create ()
x, y, w, h = self.get_allocation ()
# White background rectangle.
ctx.set_line_width (0.)
ctx.rectangle (0, 0, w, h)
ctx.set_source_rgb (1., 1., 1.)
ctx.fill ()
ctx.new_path ()
if self.params is None:
self.__update_params ()
if self.params is None:
return
first_y, cell_height, data = self.params
if len (data) < 2:
return
first_ts, last_ts = data[0][0], data[-1][0]
ts_range = last_ts - first_ts
if ts_range == 0:
return
ctx.set_line_width (1.)
ctx.set_source_rgb (0., 0., 0.)
half_height = cell_height // 2 - .5
quarter_height = cell_height // 4 - .5
first_y += half_height
for i, i_data in enumerate (data):
ts, thread = i_data
if thread in self.thread_colors:
ctx.set_source_rgb (*self.thread_colors[thread])
else:
self.next_thread_color += 1
if self.next_thread_color == len (self.theme.colors):
self.next_thread_color = 0
color = self.theme.colors[self.next_thread_color][0].float_tuple ()
self.thread_colors[thread] = color
ctx.set_source_rgb (*color)
ts_fraction = float (ts - first_ts) / ts_range
ts_offset = ts_fraction * h
row_offset = first_y + i * cell_height
ctx.move_to (-.5, ts_offset)
ctx.line_to (half_height, ts_offset)
ctx.line_to (w - quarter_height, row_offset)
ctx.stroke ()
ctx.line_to (w - quarter_height, row_offset)
ctx.line_to (w + .5, row_offset - half_height)
ctx.line_to (w + .5, row_offset + half_height)
ctx.fill ()
def do_size_request (self, req):
req.width = 64 # FIXME
def clear (self):
self.params = None
self.thread_colors.clear ()
self.next_thread_color = 0
self.queue_draw ()
def __update_params (self):
# FIXME: Ideally we should take the vertical position difference of the
# view into account (which is 0 with the current UI layout).
view = self.log_view
model = view.get_model ()
visible_range = view.get_visible_range ()
if visible_range is None:
return
start_path, end_path = visible_range
if not start_path or not end_path:
return
column = view.get_column (0)
bg_rect = view.get_background_area (start_path, column)
cell_height = bg_rect.height
cell_rect = view.get_cell_area (start_path, column)
try:
first_y = view.convert_bin_window_to_widget_coords (cell_rect.x, cell_rect.y)[1]
except (AttributeError, SystemError,):
# AttributeError is with PyGTK before 2.12. SystemError is raised
# with PyGTK 2.12.0, pygtk bug #479012.
first_y = cell_rect.y % cell_height
global _warn_tree_view_coords
try:
_warn_tree_view_coords
except NameError:
self.logger.warning ("tree view coordinate conversion method "
"not available, using aproximate offset")
# Only warn once:
_warn_tree_view_coords = True
data = []
tree_iter = model.get_iter (start_path)
if tree_iter is None:
return
while model.get_path (tree_iter) != end_path:
data.append (model.get (tree_iter, model.COL_TIME, model.COL_THREAD))
tree_iter = model.iter_next (tree_iter)
self.params = (first_y, cell_height, data,)
def update (self):
self.params = None
self.queue_draw ()
class TimelineWidget (gtk.DrawingArea):
__gtype_name__ = "GstDebugViewerTimelineWidget"
__gsignals__ = {"change-position" : (gobject.SIGNAL_RUN_LAST,
gobject.TYPE_NONE,
(gobject.TYPE_INT,),)}
def __init__ (self):
gtk.DrawingArea.__init__ (self)
self.logger = logging.getLogger ("ui.timeline")
self.add_events (gtk.gdk.BUTTON1_MOTION_MASK |
gtk.gdk.BUTTON_PRESS_MASK |
gtk.gdk.BUTTON_RELEASE_MASK)
self.process = UpdateProcess (None, None)
self.process.handle_sentinel_progress = self.__handle_sentinel_progress
self.process.handle_sentinel_finished = self.__handle_sentinel_finished
self.process.handle_process_finished = self.__handle_process_finished
self.model = None
self.__offscreen = None
self.__offscreen_size = (0, 0)
self.__position_ts_range = None
try:
self.set_tooltip_text (_("Log event histogram\n"
"Different colors represent different log-levels"))
except AttributeError:
# Compatibility.
pass
def __handle_sentinel_progress (self, sentinel):
self.__redraw ()
def __handle_sentinel_finished (self, sentinel):
if sentinel == self.process.freq_sentinel:
self.__redraw ()
def __handle_process_finished (self):
self.__redraw ()
def __ensure_offscreen (self):
x, y, w, h = self.get_allocation ()
self.__offscreen = gtk.gdk.Pixmap (self.window, w, h, -1)
self.__offscreen_size = (w, h)
if not self.__offscreen:
self.__offscreen_size = (0, 0)
raise ValueError ("could not obtain pixmap")
def __redraw (self):
if not self.props.visible:
return
self.__ensure_offscreen ()
self.__draw_offscreen ()
self.__update_from_offscreen ()
def __update_from_offscreen (self, rect = None):
if not self.props.visible:
return
if self.__offscreen is None:
self.__redraw ()
x, y, w, h = self.get_allocation ()
off_w, off_h = self.__offscreen_size
# Fill the background (where the offscreen pixmap doesn't fit) with
# white. This happens after enlarging the window, until all sentinels
# have finished running.
draw_background = True
if off_w >= w and off_h >= h:
draw_background = False
if draw_background:
ctx = self.window.cairo_create ()
if rect:
ctx.rectangle (rect.x, rect.y,
rect.x + rect.width,
rect.y + rect.height)
ctx.clip ()
if off_w < w:
ctx.rectangle (off_w, 0, w, off_h)
if off_h < h:
ctx.new_path ()
ctx.rectangle (0, off_h, w, h)
ctx.set_line_width (0.)
ctx.set_source_rgb (1., 1., 1.)
ctx.fill ()
gc = gtk.gdk.GC (self.window)
if rect is None:
self.window.draw_drawable (gc, self.__offscreen, 0, 0, 0, 0, -1, -1)
self.__draw_position (self.window)
else:
x, y, w, h = rect
self.window.draw_drawable (gc, self.__offscreen, x, y, x, y, w, h)
self.__draw_position (self.window, clip = rect)
def update (self, model):
self.clear ()
self.model = model
if model is not None:
self.process.freq_sentinel = LineFrequencySentinel (model)
self.process.dist_sentinel = LevelDistributionSentinel (self.process.freq_sentinel, model)
width = self.get_allocation ()[2]
self.process.freq_sentinel.run_for (width)
self.process.run ()
def clear (self):
self.model = None
self.process.abort ()
self.process.freq_sentinel = None
self.process.dist_sentinel = None
self.__redraw ()
def update_position (self, start_ts, end_ts):
self.__position_ts_range = (start_ts, end_ts,)
if not self.process.freq_sentinel:
return
if not self.process.freq_sentinel.data:
return
self.__update_from_offscreen ()
def find_indicative_time_step (self):
MINIMUM_PIXEL_STEP = 32
time_per_pixel = self.process.freq_sentinel.step
return 32 # FIXME use self.freq_sentinel.step and len (self.process.freq_sentinel.data)
def __draw_offscreen (self):
drawable = self.__offscreen
w, h = self.__offscreen_size
ctx = drawable.cairo_create ()
# White background rectangle.
ctx.set_line_width (0.)
ctx.rectangle (0, 0, w, h)
ctx.set_source_rgb (1., 1., 1.)
ctx.fill ()
ctx.new_path ()
# Horizontal reference lines.
ctx.set_line_width (1.)
ctx.set_source_rgb (.95, .95, .95)
for i in range (h // 16):
y = i * 16 - .5
ctx.move_to (0, y)
ctx.line_to (w, y)
ctx.stroke ()
if self.process.freq_sentinel is None:
return
# Vertical reference lines.
pixel_step = self.find_indicative_time_step ()
ctx.set_source_rgb (.9, .9, .9)
for i in range (1, w // pixel_step + 1):
x = i * pixel_step - .5
ctx.move_to (x, 0)
ctx.line_to (x, h)
ctx.stroke ()
if not self.process.freq_sentinel.data:
self.logger.debug ("frequency sentinel has no data yet")
return
maximum = max (self.process.freq_sentinel.data)
ctx.set_source_rgb (0., 0., 0.)
self.__draw_graph (ctx, w, h, maximum, self.process.freq_sentinel.data)
if not self.process.dist_sentinel.data:
self.logger.debug ("level distribution sentinel has no data yet")
return
colors = LevelColorThemeTango ().colors
dist_data = self.process.dist_sentinel.data
def cumulative_level_counts (*levels):
for level_counts in dist_data:
yield sum ((level_counts[level] for level in levels))
level = Data.debug_level_info
levels_prev = (Data.debug_level_trace,
Data.debug_level_fixme,
Data.debug_level_log,
Data.debug_level_debug,)
ctx.set_source_rgb (*(colors[level][1].float_tuple ()))
self.__draw_graph (ctx, w, h, maximum,
list (cumulative_level_counts (level, *levels_prev)))
level = Data.debug_level_debug
levels_prev = (Data.debug_level_trace,
Data.debug_level_fixme,
Data.debug_level_log,)
ctx.set_source_rgb (*(colors[level][1].float_tuple ()))
self.__draw_graph (ctx, w, h, maximum,
list (cumulative_level_counts (level, *levels_prev)))
level = Data.debug_level_log
levels_prev = (Data.debug_level_trace,Data.debug_level_fixme,)
ctx.set_source_rgb (*(colors[level][1].float_tuple ()))
self.__draw_graph (ctx, w, h, maximum,
list (cumulative_level_counts (level, *levels_prev)))
level = Data.debug_level_fixme
levels_prev = (Data.debug_level_trace,)
ctx.set_source_rgb (*(colors[level][1].float_tuple ()))
self.__draw_graph (ctx, w, h, maximum,
list (cumulative_level_counts (level, *levels_prev)))
level = Data.debug_level_trace
ctx.set_source_rgb (*(colors[level][1].float_tuple ()))
self.__draw_graph (ctx, w, h, maximum, [counts[level] for counts in dist_data])
# Draw error and warning triangle indicators:
def triangle (ctx, size = 8):
ctx.move_to (-size // 2, 0)
ctx.line_to ((size + 1) // 2, 0)
ctx.line_to (0, size / 1.41)
ctx.close_path ()
for level in (Data.debug_level_warning, Data.debug_level_error,):
ctx.set_source_rgb (*(colors[level][1].float_tuple ()))
for i, counts in enumerate (dist_data):
if counts[level] == 0:
continue
ctx.identity_matrix ()
ctx.translate (i, 0)
triangle (ctx)
ctx.fill ()
def __draw_graph (self, ctx, w, h, maximum, data):
if not data:
return
heights = [h * float (d) / maximum for d in data]
ctx.move_to (0, h)
for i in range (len (heights)):
ctx.line_to (i - .5, h - heights[i] + .5)
ctx.line_to (i, h)
ctx.close_path ()
ctx.fill ()
def __have_position (self):
if ((self.__position_ts_range is not None) and
(self.process is not None) and
(self.process.freq_sentinel is not None) and
(self.process.freq_sentinel.ts_range is not None)):
return True
else:
return False
def __draw_position (self, drawable, clip = None):
if not self.__have_position ():
return
start_ts, end_ts = self.__position_ts_range
first_ts, last_ts = self.process.freq_sentinel.ts_range
step = self.process.freq_sentinel.step
if step == 0:
return
position1 = int (float (start_ts - first_ts) / step)
position2 = int (float (end_ts - first_ts) / step)
if clip:
clip_x, clip_y, clip_w, clip_h = clip
if clip_x + clip_w < position1 - 1 or clip_x > position2 + 1:
return
ctx = drawable.cairo_create ()
x, y, w, h = self.get_allocation ()
if clip:
ctx.rectangle (*clip)
ctx.clip ()
line_width = position2 - position1
if line_width <= 1:
ctx.set_source_rgb (1., 0., 0.)
ctx.set_line_width (1.)
ctx.move_to (position1 + .5, 0)
ctx.line_to (position1 + .5, h)
ctx.stroke ()
else:
ctx.set_source_rgba (1., 0., 0., .5)
ctx.rectangle (position1, 0, line_width, h)
ctx.fill ()
def do_expose_event (self, event):
if self.__offscreen:
self.__update_from_offscreen (event.area)
else:
self.__redraw ()
return True
def do_configure_event (self, event):
self.logger.debug ("widget size configured to %ix%i",
event.width, event.height)
if event.width < 16:
return False
self.update (self.model)
return False
def do_size_request (self, req):
# FIXME:
req.height = 64
def do_button_press_event (self, event):
if event.button != 1:
return False
# TODO: Check if clicked inside a warning/error indicator triangle and
# navigate there.
if not self.has_grab ():
self.grab_add ()
pos = int (event.x)
self.emit ("change-position", pos)
return True
def do_button_release_event (self, event):
if event.button != 1:
return False
if self.has_grab ():
self.grab_remove ()
return True
def do_motion_notify_event (self, event):
x = event.x
y = event.y
if event.state & gtk.gdk.BUTTON1_MASK:
self.emit ("change-position", int (x))
gtk.gdk.event_request_motions (event)
return True
else:
self._handle_motion (x, y)
gtk.gdk.event_request_motions (event)
return False
def _handle_motion (self, x, y):
# TODO: Prelight warning and error indicator triangles.
pass
class AttachedWindow (object):
def __init__ (self, feature, window):
self.window = window
ui = window.ui_manager
ui.insert_action_group (feature.action_group, 0)
self.merge_id = ui.new_merge_id ()
ui.add_ui (self.merge_id, "/menubar/ViewMenu/ViewMenuAdditions",
"ViewTimeline", "show-timeline",
gtk.UI_MANAGER_MENUITEM, False)
ui.add_ui (self.merge_id, "/", "TimelineContextMenu", None,
gtk.UI_MANAGER_POPUP, False)
# TODO: Make hide before/after operate on the partition that the mouse
# is pointed at instead of the currently selected line.
# ui.add_ui (self.merge_id, "/TimelineContextMenu", "TimelineHideLinesBefore",
# "hide-before-line", gtk.UI_MANAGER_MENUITEM, False)
# ui.add_ui (self.merge_id, "/TimelineContextMenu", "TimelineHideLinesAfter",
# "hide-after-line", gtk.UI_MANAGER_MENUITEM, False)
ui.add_ui (self.merge_id, "/TimelineContextMenu", "TimelineShowHiddenLines",
"show-hidden-lines", gtk.UI_MANAGER_MENUITEM, False)
box = window.get_top_attach_point ()
self.timeline = TimelineWidget ()
self.timeline.connect ("change-position",
self.handle_timeline_change_position)
box.pack_start (self.timeline, False, False, 0)
self.timeline.hide ()
self.popup = ui.get_widget ("/TimelineContextMenu")
Common.GUI.widget_add_popup_menu (self.timeline, self.popup)
box = window.get_side_attach_point ()
self.vtimeline = VerticalTimelineWidget (self.window.log_view)
box.pack_start (self.vtimeline, False, False, 0)
self.vtimeline.hide ()
handler = self.handle_log_view_adjustment_value_changed
adjustment = window.widgets.log_view_scrolled_window.props.vadjustment
adjustment.connect ("value-changed", handler)
handler = self.handle_show_action_toggled
action = feature.action_group.get_action ("show-timeline")
action.connect ("toggled", handler)
handler (action)
handler = self.handle_log_view_notify_model
self.notify_model_id = window.log_view.connect ("notify::model", handler)
self.idle_scroll_path = None
self.idle_scroll_id = None
def detach (self, feature):
self.window.log_view.disconnect (self.notify_model_id)
self.notify_model_id = None
self.window.ui_manager.remove_ui (self.merge_id)
self.merge_id = None
self.window.ui_manager.remove_action_group (feature.action_group)
self.timeline.destroy ()
self.timeline = None
self.idle_scroll_path = None
if self.idle_scroll_id is not None:
gobject.source_remove (self.idle_scroll_id)
self.idle_scroll_id = None
def handle_detach_log_file (self, log_file):
self.timeline.clear ()
self.vtimeline.clear ()
def handle_log_view_notify_model (self, view, gparam):
model = view.get_model ()
if model is None:
self.timeline.clear ()
self.vtimeline.clear ()
return
self.timeline.update (model)
# Need to dispatch these idly with a low priority to avoid triggering a
# warning in treeview.get_visible_range:
def idle_update ():
self.update_timeline_position ()
self.vtimeline.update ()
return False
gobject.idle_add (idle_update, priority = gobject.PRIORITY_LOW)
def handle_log_view_adjustment_value_changed (self, adj):
# FIXME: If not visible, disconnect this handler!
if not self.timeline.props.visible:
return
self.update_timeline_position ()
self.vtimeline.update ()
def update_timeline_position (self):
view = self.window.log_view
model = view.get_model ()
visible_range = view.get_visible_range ()
if visible_range is None:
return
start_path, end_path = visible_range
if not start_path or not end_path:
return
ts1 = model.get_value (model.get_iter (start_path),
model.COL_TIME)
ts2 = model.get_value (model.get_iter (end_path),
model.COL_TIME)
self.timeline.update_position (ts1, ts2)
def handle_show_action_toggled (self, action):
show = action.props.active
if show:
self.timeline.show ()
self.vtimeline.show ()
else:
self.timeline.hide ()
self.vtimeline.hide ()
def handle_timeline_change_position (self, widget, pos):
self.goto_time_position (pos)
def goto_time_position (self, pos):
if not self.timeline.process.freq_sentinel:
return True
data = self.timeline.process.freq_sentinel.data
if not data:
return True
if pos < 0:
pos = 0
elif pos >= len (data):
pos = len (data) - 1
count = sum (data[:pos + 1])
path = (count,)
self.idle_scroll_path = path
if self.idle_scroll_id is None:
self.idle_scroll_id = gobject.idle_add (self.idle_scroll)
return False
def idle_scroll (self):
self.idle_scroll_id = None
if self.idle_scroll_path is None:
return False
path = self.idle_scroll_path
self.idle_scroll_path = None
view = self.window.log_view
view.scroll_to_cell (path, use_align = True, row_align = .5)
return False
class TimelineFeature (FeatureBase):
def __init__ (self, app):
self.logger = logging.getLogger ("ui.timeline")
self.action_group = gtk.ActionGroup ("TimelineActions")
self.action_group.add_toggle_actions ([("show-timeline",
None, _("_Timeline"),)])
self.state = app.state.sections[TimelineState._name]
self.attached_windows = {}
handler = self.handle_show_action_toggled
action = self.action_group.get_action ("show-timeline")
action.props.active = self.state.shown
action.connect ("toggled", handler)
def handle_show_action_toggled (self, action):
show = action.props.active
if show:
self.state.shown = True
else:
self.state.shown = False
def handle_attach_window (self, window):
self.attached_windows[window] = AttachedWindow (self, window)
def handle_detach_window (self, window):
attached_window = self.attached_windows.pop (window)
attached_window.detach (self)
def handle_attach_log_file (self, window, log_file):
pass
def handle_detach_log_file (self, window, log_file):
attached_window = self.attached_windows[window]
attached_window.handle_detach_log_file (log_file)
class TimelineState (Common.GUI.StateSection):
_name = "timeline"
shown = Common.GUI.StateBool ("shown", default = True)
class Plugin (PluginBase):
features = [TimelineFeature]
def __init__ (self, app):
app.state.add_section_class (TimelineState)
self.state = app.state.sections[TimelineState._name]