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

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2009-08-06 23:54:10 +00:00
# -*- 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."""
def _ (s):
return s
import logging
import glib
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import gtk
from GstDebugViewer import Common, Data
from GstDebugViewer.GUI.colors import LevelColorThemeTango
from GstDebugViewer.GUI.models import LazyLogModel, LogModelBase
# Sync with gst-inspector!
class Column (object):
"""A single list view column, managed by a ColumnManager instance."""
name = None
id = None
label_header = None
get_modify_func = None
get_data_func = None
get_sort_func = None
def __init__ (self):
view_column = gtk.TreeViewColumn (self.label_header)
view_column.props.reorderable = True
self.view_column = view_column
class SizedColumn (Column):
default_size = None
def compute_default_size (self):
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return None
# Sync with gst-inspector?
class TextColumn (SizedColumn):
font_family = None
def __init__ (self):
Column.__init__ (self)
column = self.view_column
cell = gtk.CellRendererText ()
column.pack_start (cell)
cell.props.yalign = 0.
cell.props.ypad = 0
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if self.font_family:
cell.props.family = self.font_family
cell.props.family_set = True
if self.get_data_func:
data_func = self.get_data_func ()
assert data_func
id_ = self.id
if id_ is not None:
def cell_data_func (column, cell, model, tree_iter):
data_func (cell.props, model.get_value (tree_iter, id_))
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else:
cell_data_func = data_func
column.set_cell_data_func (cell, cell_data_func)
elif not self.get_modify_func:
column.add_attribute (cell, "text", self.id)
else:
self.update_modify_func (column, cell)
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column.props.resizable = True
def update_modify_func (self, column, cell):
modify_func = self.get_modify_func ()
id_ = self.id
def cell_data_func (column, cell, model, tree_iter):
cell.props.text = modify_func (model.get_value (tree_iter, id_))
column.set_cell_data_func (cell, cell_data_func)
def compute_default_size (self):
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values = self.get_values_for_size ()
if not values:
return SizedColumn.compute_default_size (self)
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cell = self.view_column.get_cell_renderers ()[0]
if self.get_modify_func is not None:
format = self.get_modify_func ()
else:
def identity (x):
return x
format = identity
max_width = 0
for value in values:
cell.props.text = format (value)
rect, x, y, w, h = self.view_column.cell_get_size ()
max_width = max (max_width, w)
return max_width
def get_values_for_size (self):
return ()
class TimeColumn (TextColumn):
name = "time"
label_header = _("Time")
id = LazyLogModel.COL_TIME
font_family = "monospace"
def __init__ (self, *a, **kw):
self.base_time = 0
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TextColumn.__init__ (self, *a, **kw)
def get_modify_func (self):
if self.base_time:
time_diff_args = Data.time_diff_args
base_time = self.base_time
def format_time (value):
# TODO: Hard coded to omit trailing zeroes, see below.
return time_diff_args (value - base_time)[:-3]
else:
time_args = Data.time_args
def format_time (value):
# TODO: This is hard coded to omit hours as well as the last 3
# digits at the end, since current gst uses g_get_current_time,
# which has microsecond precision only.
return time_args (value)[2:-3]
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return format_time
def get_values_for_size (self):
values = [0]
return values
def set_base_time (self, base_time):
self.base_time = base_time
column = self.view_column
cell = column.get_cell_renderers ()[0]
self.update_modify_func (column, cell)
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class LevelColumn (TextColumn):
name = "level"
label_header = _("L")
id = LazyLogModel.COL_LEVEL
def __init__ (self):
TextColumn.__init__ (self)
cell = self.view_column.get_cell_renderers ()[0]
cell.props.xalign = .5
@staticmethod
def get_modify_func ():
def format_level (value):
return value.name[0]
return format_level
@staticmethod
def get_data_func ():
theme = LevelColorThemeTango ()
colors = dict ((level, tuple ((c.gdk_color ()
for c in theme.colors[level])),)
for level in Data.debug_levels
if level != Data.debug_level_none)
def level_data_func (cell_props, level):
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cell_props.text = level.name[0]
if level in colors:
cell_colors = colors[level]
else:
cell_colors = (None, None, None,)
cell_props.foreground_gdk = cell_colors[0]
cell_props.background_gdk = cell_colors[1]
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return level_data_func
def get_values_for_size (self):
values = [Data.debug_level_log, Data.debug_level_debug,
Data.debug_level_info, Data.debug_level_warning,
Data.debug_level_error]
return values
class PidColumn (TextColumn):
name = "pid"
label_header = _("PID")
id = LazyLogModel.COL_PID
font_family = "monospace"
@staticmethod
def get_modify_func ():
return str
def get_values_for_size (self):
return ["999999"]
class ThreadColumn (TextColumn):
name = "thread"
label_header = _("Thread")
id = LazyLogModel.COL_THREAD
font_family = "monospace"
@staticmethod
def get_modify_func ():
def format_thread (value):
return "0x%07x" % (value,)
return format_thread
def get_values_for_size (self):
return [int ("ffffff", 16)]
class CategoryColumn (TextColumn):
name = "category"
label_header = _("Category")
id = LazyLogModel.COL_CATEGORY
def get_values_for_size (self):
return ["GST_LONG_CATEGORY", "somelongelement"]
class CodeColumn (TextColumn):
name = "code"
label_header = _("Code")
id = None
@staticmethod
def get_data_func ():
filename_id = LogModelBase.COL_FILENAME
line_number_id = LogModelBase.COL_LINE_NUMBER
def filename_data_func (column, cell, model, tree_iter):
args = model.get (tree_iter, filename_id, line_number_id)
cell.props.text = "%s:%i" % args
return filename_data_func
def get_values_for_size (self):
return ["gstsomefilename.c:1234"]
class FunctionColumn (TextColumn):
name = "function"
label_header = _("Function")
id = LazyLogModel.COL_FUNCTION
def get_values_for_size (self):
return ["gst_this_should_be_enough"]
class ObjectColumn (TextColumn):
name = "object"
label_header = _("Object")
id = LazyLogModel.COL_OBJECT
def get_values_for_size (self):
return ["longobjectname00"]
class MessageColumn (TextColumn):
name = "message"
label_header = _("Message")
id = None
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def __init__ (self, *a, **kw):
self.highlighters = {}
TextColumn.__init__ (self, *a, **kw)
def get_data_func (self):
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highlighters = self.highlighters
id_ = LazyLogModel.COL_MESSAGE
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def message_data_func (column, cell, model, tree_iter):
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msg = model.get_value (tree_iter, id_)
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if not highlighters:
cell.props.text = msg
return
if len (highlighters) > 1:
raise NotImplementedError ("FIXME: Support more than one...")
highlighter = highlighters.values ()[0]
row = model[tree_iter]
ranges = highlighter (row)
if not ranges:
cell.props.text = msg
else:
tags = []
prev_end = 0
end = None
for start, end in ranges:
if prev_end < start:
tags.append (glib.markup_escape_text (msg[prev_end:start]))
msg_escape = glib.markup_escape_text (msg[start:end])
tags.append ("<span foreground=\'#FFFFFF\'"
" background=\'#0000FF\'>%s</span>" % (msg_escape,))
prev_end = end
if end is not None:
tags.append (glib.markup_escape_text (msg[end:]))
cell.props.markup = "".join (tags)
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return message_data_func
def get_values_for_size (self):
values = ["Just some good minimum size"]
return values
class ColumnManager (Common.GUI.Manager):
column_classes = ()
@classmethod
def iter_item_classes (cls):
return iter (cls.column_classes)
def __init__ (self):
self.view = None
self.actions = None
self.zoom = 1.0
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self.__columns_changed_id = None
self.columns = []
self.column_order = list (self.column_classes)
self.action_group = gtk.ActionGroup ("ColumnActions")
def make_entry (col_class):
return ("show-%s-column" % (col_class.name,),
None,
col_class.label_header,
None,
None,
None,
True,)
entries = [make_entry (cls) for cls in self.column_classes]
self.action_group.add_toggle_actions (entries)
def iter_items (self):
return iter (self.columns)
def attach (self):
for col_class in self.column_classes:
action = self.get_toggle_action (col_class)
if action.props.active:
self._add_column (col_class ())
action.connect ("toggled",
self.__handle_show_column_action_toggled,
col_class.name)
self.__columns_changed_id = self.view.connect ("columns-changed",
self.__handle_view_columns_changed)
def detach (self):
if self.__columns_changed_id is not None:
self.view.disconnect (self.__columns_changed_id)
self.__columns_changed_id = None
def attach_sort (self):
sort_model = self.view.get_model ()
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# Inform the sorted tree model of any custom sorting functions.
for col_class in self.column_classes:
if col_class.get_sort_func:
sort_func = col_class.get_sort_func ()
sort_model.set_sort_func (col_class.id, sort_func)
def enable_sort (self):
sort_model = self.view.get_model ()
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if sort_model:
self.logger.debug ("activating sort")
sort_model.set_sort_column_id (*self.default_sort)
self.default_sort = None
else:
self.logger.debug ("not activating sort (no model set)")
def disable_sort (self):
self.logger.debug ("deactivating sort")
sort_model = self.view.get_model ()
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self.default_sort = tree_sortable_get_sort_column_id (sort_model)
sort_model.set_sort_column_id (TREE_SORTABLE_UNSORTED_COLUMN_ID,
gtk.SORT_ASCENDING)
def set_zoom (self, scale):
for column in self.columns:
cell = column.view_column.get_cell_renderers ()[0]
cell.props.scale = scale
column.view_column.queue_resize ()
self.zoom = scale
def set_base_time (self, base_time):
try:
time_column = self.find_item (name = TimeColumn.name)
except KeyError:
return
time_column.set_base_time (base_time)
self.size_column (time_column)
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def get_toggle_action (self, column_class):
action_name = "show-%s-column" % (column_class.name,)
return self.action_group.get_action (action_name)
def get_initial_column_order (self):
return tuple (self.column_classes)
def _add_column (self, column):
name = column.name
pos = self.__get_column_insert_position (column)
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if self.view.props.fixed_height_mode:
column.view_column.props.sizing = gtk.TREE_VIEW_COLUMN_FIXED
cell = column.view_column.get_cell_renderers ()[0]
cell.props.scale = self.zoom
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self.columns.insert (pos, column)
self.view.insert_column (column.view_column, pos)
def _remove_column (self, column):
self.columns.remove (column)
self.view.remove_column (column.view_column)
def __get_column_insert_position (self, column):
col_class = self.find_item_class (name = column.name)
pos = self.column_order.index (col_class)
before = self.column_order[:pos]
shown_names = [col.name for col in self.columns]
for col_class in before:
if not col_class.name in shown_names:
pos -= 1
return pos
def __iter_next_hidden (self, column_class):
pos = self.column_order.index (column_class)
rest = self.column_order[pos + 1:]
for next_class in rest:
try:
self.find_item (name = next_class.name)
except KeyError:
# No instance -- the column is hidden.
yield next_class
else:
break
def __handle_show_column_action_toggled (self, toggle_action, name):
if toggle_action.props.active:
try:
# This should fail.
column = self.find_item (name = name)
except KeyError:
col_class = self.find_item_class (name = name)
self._add_column (col_class ())
else:
# Out of sync for some reason.
return
else:
try:
column = self.find_item (name = name)
except KeyError:
# Out of sync for some reason.
return
else:
self._remove_column (column)
def __handle_view_columns_changed (self, element_view):
view_columns = element_view.get_columns ()
new_visible = [self.find_item (view_column = column)
for column in view_columns]
# We only care about reordering here.
if len (new_visible) != len (self.columns):
return
if new_visible != self.columns:
new_order = []
for column in new_visible:
col_class = self.find_item_class (name = column.name)
new_order.append (col_class)
new_order.extend (self.__iter_next_hidden (col_class))
names = (column.name for column in new_visible)
self.logger.debug ("visible columns reordered: %s",
", ".join (names))
self.columns[:] = new_visible
self.column_order[:] = new_order
class ViewColumnManager (ColumnManager):
column_classes = (TimeColumn, LevelColumn, PidColumn, ThreadColumn, CategoryColumn,
CodeColumn, FunctionColumn, ObjectColumn, MessageColumn,)
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default_column_classes = (TimeColumn, LevelColumn, CategoryColumn, CodeColumn,
FunctionColumn, ObjectColumn, MessageColumn,)
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def __init__ (self, state):
ColumnManager.__init__ (self)
self.logger = logging.getLogger ("ui.columns")
self.state = state
def attach (self, view):
self.view = view
view.connect ("notify::model", self.__handle_notify_model)
order = self.state.column_order
if len (order) == len (self.column_classes):
self.column_order[:] = order
visible = self.state.columns_visible
if not visible:
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visible = self.default_column_classes
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for col_class in self.column_classes:
action = self.get_toggle_action (col_class)
action.props.active = (col_class in visible)
ColumnManager.attach (self)
self.columns_sized = False
def detach (self):
self.state.column_order = self.column_order
self.state.columns_visible = self.columns
return ColumnManager.detach (self)
def set_zoom (self, scale):
ColumnManager.set_zoom (self, scale)
if self.view is None:
return
# Timestamp and log level columns are pretty much fixed size, so resize
# them back to default on zoom change:
names = (TimeColumn.name,
LevelColumn.name,
PidColumn.name,
ThreadColumn.name)
for column in self.columns:
if column.name in names:
self.size_column (column)
def size_column (self, column):
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if column.default_size is None:
default_size = column.compute_default_size ()
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else:
default_size = column.default_size
# FIXME: Abstract away fixed size setting in Column class!
if default_size is None:
# Dummy fallback:
column.view_column.props.fixed_width = 50
self.logger.warning ("%s column does not implement default size", column.name)
else:
column.view_column.props.fixed_width = default_size
def _add_column (self, column):
result = ColumnManager._add_column (self, column)
self.size_column (column)
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return result
def _remove_column (self, column):
column.default_size = column.view_column.props.fixed_width
return ColumnManager._remove_column (self, column)
def __handle_notify_model (self, view, gparam):
if self.columns_sized:
# Already sized.
return
model = self.view.get_model ()
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if model is None:
return
self.logger.debug ("model changed, sizing columns")
for column in self.iter_items ():
self.size_column (column)
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self.columns_sized = True
class WrappingMessageColumn (MessageColumn):
def wrap_to_width (self, width):
col = self.view_column
col.props.max_width = width
col.get_cell_renderers ()[0].props.wrap_width = width
col.queue_resize ()
class LineViewColumnManager (ColumnManager):
column_classes = (TimeColumn, WrappingMessageColumn,)
def __init__ (self):
ColumnManager.__init__ (self)
def attach (self, window):
self.__size_update = None
self.view = window.widgets.line_view
self.view.set_size_request (0, 0)
self.view.connect_after ("size-allocate", self.__handle_size_allocate)
ColumnManager.attach (self)
def __update_sizes (self):
view_width = self.view.get_allocation ().width
if view_width == self.__size_update:
# Prevent endless recursion.
return
self.__size_update = view_width
col = self.find_item (name = "time")
other_width = col.view_column.props.width
try:
col = self.find_item (name = "message")
except KeyError:
return
width = view_width - other_width
col.wrap_to_width (width)
def __handle_size_allocate (self, self_, allocation):
self.__update_sizes ()