mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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742 lines
20 KiB
Python
742 lines
20 KiB
Python
# -*- coding: utf-8; mode: python; -*-
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#
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# GStreamer Debug Viewer - View and analyze GStreamer debug log files
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#
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# Copyright (C) 2007 René Stadler <mail@renestadler.de>
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#
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# This program is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by the Free
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# Software Foundation; either version 3 of the License, or (at your option)
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# any later version.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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# more details.
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#
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# You should have received a copy of the GNU General Public License along with
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# this program. If not, see <http://www.gnu.org/licenses/>.
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"""GStreamer Debug Viewer GUI module."""
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import logging
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from gi.repository import Gtk, GLib
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from GstDebugViewer import Common, Data
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from GstDebugViewer.GUI.colors import LevelColorThemeTango
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from GstDebugViewer.GUI.models import LazyLogModel, LogModelBase
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def _(s):
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return s
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# Sync with gst-inspector!
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class Column (object):
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"""A single list view column, managed by a ColumnManager instance."""
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name = None
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id = None
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label_header = None
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get_modify_func = None
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get_data_func = None
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get_sort_func = None
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def __init__(self):
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view_column = Gtk.TreeViewColumn(self.label_header)
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view_column.props.reorderable = True
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self.view_column = view_column
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class SizedColumn (Column):
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default_size = None
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def compute_default_size(self):
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return None
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# Sync with gst-inspector?
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class TextColumn (SizedColumn):
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font_family = None
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def __init__(self):
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Column.__init__(self)
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column = self.view_column
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cell = Gtk.CellRendererText()
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column.pack_start(cell, True)
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cell.props.yalign = 0.
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cell.props.ypad = 0
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if self.font_family:
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cell.props.family = self.font_family
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cell.props.family_set = True
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if self.get_data_func:
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data_func = self.get_data_func()
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assert data_func
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id_ = self.id
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if id_ is not None:
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def cell_data_func(column, cell, model, tree_iter, user_data):
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data_func(cell.props, model.get_value(tree_iter, id_))
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else:
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cell_data_func = data_func
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column.set_cell_data_func(cell, cell_data_func)
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elif not self.get_modify_func:
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column.add_attribute(cell, "text", self.id)
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else:
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self.update_modify_func(column, cell)
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column.props.resizable = True
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def update_modify_func(self, column, cell):
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modify_func = self.get_modify_func()
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id_ = self.id
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def cell_data_func(column, cell, model, tree_iter, user_data):
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cell.props.text = modify_func(model.get_value(tree_iter, id_))
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column.set_cell_data_func(cell, cell_data_func)
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def compute_default_size(self):
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values = self.get_values_for_size()
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if not values:
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return SizedColumn.compute_default_size(self)
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cell = self.view_column.get_cells()[0]
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if self.get_modify_func is not None:
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format = self.get_modify_func()
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else:
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def identity(x):
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return x
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format = identity
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max_width = 0
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for value in values:
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cell.props.text = format(value)
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x, y, w, h = self.view_column.cell_get_size()
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max_width = max(max_width, w)
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return max_width
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def get_values_for_size(self):
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return ()
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class TimeColumn (TextColumn):
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name = "time"
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label_header = _("Time")
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id = LazyLogModel.COL_TIME
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font_family = "monospace"
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def __init__(self, *a, **kw):
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self.base_time = 0
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TextColumn.__init__(self, *a, **kw)
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def get_modify_func(self):
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if self.base_time:
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time_diff_args = Data.time_diff_args
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base_time = self.base_time
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def format_time(value):
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return time_diff_args(value - base_time)
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else:
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time_args = Data.time_args
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def format_time(value):
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# TODO: This is hard coded to omit hours.
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return time_args(value)[2:]
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return format_time
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def get_values_for_size(self):
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values = [0]
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return values
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def set_base_time(self, base_time):
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self.base_time = base_time
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column = self.view_column
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cell = column.get_cells()[0]
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self.update_modify_func(column, cell)
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class LevelColumn (TextColumn):
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name = "level"
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label_header = _("L")
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id = LazyLogModel.COL_LEVEL
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def __init__(self):
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TextColumn.__init__(self)
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cell = self.view_column.get_cells()[0]
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cell.props.xalign = .5
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@staticmethod
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def get_modify_func():
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def format_level(value):
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return value.name[0]
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return format_level
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@staticmethod
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def get_data_func():
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theme = LevelColorThemeTango()
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colors = dict((level, tuple((c.gdk_color()
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for c in theme.colors[level])),)
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for level in Data.debug_levels
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if level != Data.debug_level_none)
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def level_data_func(cell_props, level):
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cell_props.text = level.name[0]
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if level in colors:
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cell_colors = colors[level]
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else:
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cell_colors = (None, None, None,)
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cell_props.foreground_gdk = cell_colors[0]
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cell_props.background_gdk = cell_colors[1]
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return level_data_func
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def get_values_for_size(self):
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values = [Data.debug_level_log, Data.debug_level_debug,
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Data.debug_level_info, Data.debug_level_warning,
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Data.debug_level_error, Data.debug_level_memdump]
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return values
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class PidColumn (TextColumn):
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name = "pid"
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label_header = _("PID")
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id = LazyLogModel.COL_PID
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font_family = "monospace"
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@staticmethod
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def get_modify_func():
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return str
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def get_values_for_size(self):
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return ["999999"]
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class ThreadColumn (TextColumn):
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name = "thread"
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label_header = _("Thread")
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id = LazyLogModel.COL_THREAD
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font_family = "monospace"
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@staticmethod
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def get_modify_func():
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def format_thread(value):
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return "0x%07x" % (value,)
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return format_thread
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def get_values_for_size(self):
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return [int("ffffff", 16)]
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class CategoryColumn (TextColumn):
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name = "category"
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label_header = _("Category")
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id = LazyLogModel.COL_CATEGORY
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def get_values_for_size(self):
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return ["GST_LONG_CATEGORY", "somelongelement"]
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class CodeColumn (TextColumn):
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name = "code"
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label_header = _("Code")
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id = None
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@staticmethod
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def get_data_func():
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filename_id = LogModelBase.COL_FILENAME
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line_number_id = LogModelBase.COL_LINE_NUMBER
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def filename_data_func(column, cell, model, tree_iter, user_data):
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args = model.get(tree_iter, filename_id, line_number_id)
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cell.props.text = "%s:%i" % args
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return filename_data_func
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def get_values_for_size(self):
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return ["gstsomefilename.c:1234"]
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class FunctionColumn (TextColumn):
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name = "function"
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label_header = _("Function")
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id = LazyLogModel.COL_FUNCTION
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def get_values_for_size(self):
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return ["gst_this_should_be_enough"]
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class ObjectColumn (TextColumn):
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name = "object"
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label_header = _("Object")
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id = LazyLogModel.COL_OBJECT
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def get_values_for_size(self):
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return ["longobjectname00"]
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class MessageColumn (TextColumn):
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name = "message"
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label_header = _("Message")
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id = None
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def __init__(self, *a, **kw):
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self.highlighters = {}
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TextColumn.__init__(self, *a, **kw)
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def get_data_func(self):
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highlighters = self.highlighters
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id_ = LazyLogModel.COL_MESSAGE
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def message_data_func(column, cell, model, tree_iter, user_data):
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msg = model.get_value(tree_iter, id_).decode("utf8", errors="replace")
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if not highlighters:
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cell.props.text = msg
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return
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if len(highlighters) > 1:
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raise NotImplementedError("FIXME: Support more than one...")
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highlighter = list(highlighters.values())[0]
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row = model[tree_iter]
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ranges = highlighter(row)
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if not ranges:
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cell.props.text = msg
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else:
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tags = []
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prev_end = 0
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end = None
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for start, end in ranges:
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if prev_end < start:
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tags.append(
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GLib.markup_escape_text(msg[prev_end:start]))
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msg_escape = GLib.markup_escape_text(msg[start:end])
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tags.append("<span foreground=\'#FFFFFF\'"
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" background=\'#0000FF\'>%s</span>" % (msg_escape,))
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prev_end = end
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if end is not None:
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tags.append(GLib.markup_escape_text(msg[end:]))
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cell.props.markup = "".join(tags)
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return message_data_func
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def get_values_for_size(self):
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values = ["Just some good minimum size"]
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return values
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class ColumnManager (Common.GUI.Manager):
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column_classes = ()
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@classmethod
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def iter_item_classes(cls):
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return iter(cls.column_classes)
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def __init__(self):
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self.view = None
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self.actions = None
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self.zoom = 1.0
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self.__columns_changed_id = None
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self.columns = []
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self.column_order = list(self.column_classes)
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self.action_group = Gtk.ActionGroup("ColumnActions")
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def make_entry(col_class):
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return ("show-%s-column" % (col_class.name,),
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None,
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col_class.label_header,
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None,
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None,
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None,
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True,)
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entries = [make_entry(cls) for cls in self.column_classes]
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self.action_group.add_toggle_actions(entries)
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def iter_items(self):
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return iter(self.columns)
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def attach(self):
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for col_class in self.column_classes:
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action = self.get_toggle_action(col_class)
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if action.props.active:
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self._add_column(col_class())
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action.connect("toggled",
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self.__handle_show_column_action_toggled,
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col_class.name)
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self.__columns_changed_id = self.view.connect("columns-changed",
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self.__handle_view_columns_changed)
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def detach(self):
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if self.__columns_changed_id is not None:
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self.view.disconnect(self.__columns_changed_id)
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self.__columns_changed_id = None
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def attach_sort(self):
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sort_model = self.view.get_model()
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# Inform the sorted tree model of any custom sorting functions.
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for col_class in self.column_classes:
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if col_class.get_sort_func:
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sort_func = col_class.get_sort_func()
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sort_model.set_sort_func(col_class.id, sort_func)
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def enable_sort(self):
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sort_model = self.view.get_model()
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if sort_model:
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self.logger.debug("activating sort")
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sort_model.set_sort_column_id(*self.default_sort)
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self.default_sort = None
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else:
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self.logger.debug("not activating sort (no model set)")
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def disable_sort(self):
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self.logger.debug("deactivating sort")
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sort_model = self.view.get_model()
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self.default_sort = tree_sortable_get_sort_column_id(sort_model)
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sort_model.set_sort_column_id(TREE_SORTABLE_UNSORTED_COLUMN_ID,
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Gtk.SortType.ASCENDING)
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def set_zoom(self, scale):
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for column in self.columns:
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cell = column.view_column.get_cells()[0]
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cell.props.scale = scale
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column.view_column.queue_resize()
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self.zoom = scale
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def set_base_time(self, base_time):
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try:
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time_column = self.find_item(name=TimeColumn.name)
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except KeyError:
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return
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time_column.set_base_time(base_time)
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self.size_column(time_column)
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def get_toggle_action(self, column_class):
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action_name = "show-%s-column" % (column_class.name,)
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return self.action_group.get_action(action_name)
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def get_initial_column_order(self):
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return tuple(self.column_classes)
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def _add_column(self, column):
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name = column.name
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pos = self.__get_column_insert_position(column)
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if self.view.props.fixed_height_mode:
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column.view_column.props.sizing = Gtk.TreeViewColumnSizing.FIXED
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cell = column.view_column.get_cells()[0]
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cell.props.scale = self.zoom
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self.columns.insert(pos, column)
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self.view.insert_column(column.view_column, pos)
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def _remove_column(self, column):
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self.columns.remove(column)
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self.view.remove_column(column.view_column)
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def __get_column_insert_position(self, column):
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col_class = self.find_item_class(name=column.name)
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pos = self.column_order.index(col_class)
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before = self.column_order[:pos]
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shown_names = [col.name for col in self.columns]
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for col_class in before:
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if col_class.name not in shown_names:
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pos -= 1
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return pos
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def __iter_next_hidden(self, column_class):
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pos = self.column_order.index(column_class)
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rest = self.column_order[pos + 1:]
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for next_class in rest:
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try:
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self.find_item(name=next_class.name)
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except KeyError:
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# No instance -- the column is hidden.
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yield next_class
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else:
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break
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def __handle_show_column_action_toggled(self, toggle_action, name):
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if toggle_action.props.active:
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try:
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# This should fail.
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column = self.find_item(name=name)
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except KeyError:
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col_class = self.find_item_class(name=name)
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self._add_column(col_class())
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else:
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# Out of sync for some reason.
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return
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else:
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try:
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column = self.find_item(name=name)
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except KeyError:
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# Out of sync for some reason.
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return
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else:
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self._remove_column(column)
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def __handle_view_columns_changed(self, element_view):
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view_columns = element_view.get_columns()
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new_visible = [self.find_item(view_column=column)
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for column in view_columns]
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# We only care about reordering here.
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if len(new_visible) != len(self.columns):
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return
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if new_visible != self.columns:
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new_order = []
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for column in new_visible:
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col_class = self.find_item_class(name=column.name)
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new_order.append(col_class)
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new_order.extend(self.__iter_next_hidden(col_class))
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names = (column.name for column in new_visible)
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self.logger.debug("visible columns reordered: %s",
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", ".join(names))
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self.columns[:] = new_visible
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self.column_order[:] = new_order
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class ViewColumnManager (ColumnManager):
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column_classes = (
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TimeColumn, LevelColumn, PidColumn, ThreadColumn, CategoryColumn,
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CodeColumn, FunctionColumn, ObjectColumn, MessageColumn,)
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default_column_classes = (
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TimeColumn, LevelColumn, CategoryColumn, CodeColumn,
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FunctionColumn, ObjectColumn, MessageColumn,)
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def __init__(self, state):
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ColumnManager.__init__(self)
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self.logger = logging.getLogger("ui.columns")
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self.state = state
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def attach(self, view):
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self.view = view
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view.connect("notify::model", self.__handle_notify_model)
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order = self.state.column_order
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if len(order) == len(self.column_classes):
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self.column_order[:] = order
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visible = self.state.columns_visible
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if not visible:
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visible = self.default_column_classes
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for col_class in self.column_classes:
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action = self.get_toggle_action(col_class)
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action.props.active = (col_class in visible)
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ColumnManager.attach(self)
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self.columns_sized = False
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def detach(self):
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self.state.column_order = self.column_order
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self.state.columns_visible = self.columns
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return ColumnManager.detach(self)
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def set_zoom(self, scale):
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ColumnManager.set_zoom(self, scale)
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if self.view is None:
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return
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# Timestamp and log level columns are pretty much fixed size, so resize
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# them back to default on zoom change:
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names = (TimeColumn.name,
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LevelColumn.name,
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PidColumn.name,
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ThreadColumn.name)
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for column in self.columns:
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if column.name in names:
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self.size_column(column)
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def size_column(self, column):
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if column.default_size is None:
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default_size = column.compute_default_size()
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else:
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default_size = column.default_size
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# FIXME: Abstract away fixed size setting in Column class!
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if default_size is None:
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# Dummy fallback:
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column.view_column.props.fixed_width = 50
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self.logger.warning(
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"%s column does not implement default size", column.name)
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else:
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column.view_column.props.fixed_width = default_size
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def _add_column(self, column):
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result = ColumnManager._add_column(self, column)
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self.size_column(column)
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return result
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def _remove_column(self, column):
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column.default_size = column.view_column.props.fixed_width
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return ColumnManager._remove_column(self, column)
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def __handle_notify_model(self, view, gparam):
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if self.columns_sized:
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# Already sized.
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return
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model = self.view.get_model()
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if model is None:
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return
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self.logger.debug("model changed, sizing columns")
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for column in self.iter_items():
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self.size_column(column)
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self.columns_sized = True
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class WrappingMessageColumn (MessageColumn):
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def wrap_to_width(self, width):
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col = self.view_column
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col.props.max_width = width
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col.get_cells()[0].props.wrap_width = width
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col.queue_resize()
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class LineViewColumnManager (ColumnManager):
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column_classes = (TimeColumn, WrappingMessageColumn,)
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def __init__(self):
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ColumnManager.__init__(self)
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def attach(self, window):
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self.__size_update = None
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self.view = window.widgets.line_view
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self.view.set_size_request(0, 0)
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self.view.connect_after("size-allocate", self.__handle_size_allocate)
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ColumnManager.attach(self)
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def __update_sizes(self):
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view_width = self.view.get_allocation().width
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if view_width == self.__size_update:
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# Prevent endless recursion.
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return
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self.__size_update = view_width
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col = self.find_item(name="time")
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other_width = col.view_column.props.width
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try:
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col = self.find_item(name="message")
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except KeyError:
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return
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width = view_width - other_width
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col.wrap_to_width(width)
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def __handle_size_allocate(self, self_, allocation):
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self.__update_sizes()
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