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Implement lazy highlighting of search results

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This commit is contained in:
René Stadler 2007-12-03 12:18:23 +02:00 committed by Stefan Sauer
parent d4dcc1be13
commit 89f8ebe0cf
2 changed files with 37 additions and 19 deletions
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29
debug-viewer/GstDebugViewer/GUI.py
View file

@ -516,6 +516,7 @@ class Column (object):
label_header = None
get_modify_func = None
get_data_func = None
get_row_data_func = None
get_sort_func = None
def __init__ (self):
@ -563,6 +564,12 @@ class TextColumn (SizedColumn):
else:
cell_data_func = data_func
column.set_cell_data_func (cell, cell_data_func)
elif self.get_row_data_func:
data_func = self.get_row_data_func ()
assert data_func
def cell_data_func (column, cell, model, tree_iter):
data_func (cell.props, model[tree_iter])
column.set_cell_data_func (cell, cell_data_func)
elif not self.get_modify_func:
column.add_attribute (cell, "text", self.id)
else:
@ -765,27 +772,29 @@ class MessageColumn (TextColumn):
def __init__ (self, *a, **kw):
self.highlight = {}
self.highlighters = {}
TextColumn.__init__ (self, *a, **kw)
def get_data_func (self):
def get_row_data_func (self):
from pango import AttrList, AttrBackground, AttrForeground
highlight = self.highlight
highlighters = self.highlighters
id_ = self.id
def message_data_func (props, value, path):
def message_data_func (props, row):
line_index = path[0]
props.text = value
if line_index in highlight:
start, end = highlight[line_index]
props.text = row[id_]
for highlighter in highlighters.values ():
ranges = highlighter (row)
if not ranges:
props.attributes = None
else:
attrlist = AttrList ()
for start, end in ranges:
attrlist.insert (AttrBackground (0, 0, 65535, start, end))
attrlist.insert (AttrForeground (65535, 65535, 65535, start, end))
props.attributes = attrlist
else:
props.attributes = None
return message_data_func

17
debug-viewer/GstDebugViewer/Plugins/FindBar.py
View file

@ -220,6 +220,11 @@ class FindBarFeature (FeatureBase):
self.bar.show ()
self.bar.entry.grab_focus ()
else:
try:
column = self.window.column_manager.find_item (name = "message")
del column.highlighters[self]
except KeyError:
pass
self.bar.hide ()
def handle_goto_previous_search_result_action_activate (self, action):
@ -270,6 +275,9 @@ class FindBarFeature (FeatureBase):
self.operation = SearchOperation (model, search_string, start_position = start_path[0])
self.sentinel.run_for (self.operation)
column = self.window.column_manager.find_item (name = "message")
column.highlighters[self] = self.operation.match_func
def handle_match_found (self, model, tree_iter):
line_index = model.get_path (tree_iter)[0]
@ -307,19 +315,20 @@ class FindBarFeature (FeatureBase):
start_path, end_path = self.log_view.get_visible_range ()
start_index, end_index = start_path[0], end_path[0]
# Update highlighting. FIXME: Probably not needed/can be done better.
for line_index in new_matches:
path = (line_index,)
tree_iter = model.get_iter (path)
row = model[tree_iter]
ranges = match_func (row)
column.highlight[line_index] = ranges[0]
if line_index >= start_index and line_index <= end_index:
model.row_changed (path, tree_iter)
def clear_results (self):
try:
column = self.window.column_manager.find_item (name = "message")
column.highlight.clear ()
del column.highlighters[self]
except KeyError:
pass
model = self.log_view.props.model