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Code Issues 1 Projects Releases Wiki Activity

Restore visible range of log view when changing filter

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This commit is contained in:
René Stadler 2008-01-22 16:28:09 +02:00 committed by Stefan Sauer
parent b155f21610
commit e971bda1ae
1 changed files with 43 additions and 19 deletions
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62
debug-viewer/GstDebugViewer/GUI.py
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@ -1729,6 +1729,7 @@ class Window (object):
def push_view_state (self): def push_view_state (self):
self.default_index = None self.default_index = None
self.default_start_index = None
model = self.log_view.props.model model = self.log_view.props.model
if model is None: if model is None:
@ -1746,6 +1747,12 @@ class Window (object):
self.default_index = super_index self.default_index = super_index
vis_range = self.log_view.get_visible_range ()
if vis_range is not None:
start_path, end_path = vis_range
start_index = start_path[0]
self.default_start_index = model.line_index_to_top (start_index)
def update_model (self, model = None): def update_model (self, model = None):
if model is None: if model is None:
@ -1758,30 +1765,47 @@ class Window (object):
self.log_view.set_model (None) self.log_view.set_model (None)
self.log_view.props.model = model self.log_view.props.model = model
def pop_view_state (self): def pop_view_state (self, scroll_to_selection = False):
selected_index = self.default_index
if selected_index is None:
return
model = self.log_view.props.model model = self.log_view.props.model
if model is None: if model is None:
return return
try: selected_index = self.default_index
select_index = model.line_index_from_top (selected_index) start_index = self.default_start_index
except IndexError, exc:
self.logger.debug ("abs line index %i filtered out, not reselecting", if selected_index is not None:
selected_index)
else:
assert select_index >= 0
sel = self.log_view.get_selection ()
path = (select_index,)
sel.select_path (path)
# FIXME: Instead of scrolling to the selected row, try to restore try:
# the previous visible range. select_index = model.line_index_from_top (selected_index)
self.log_view.scroll_to_cell (path, use_align = True, row_align = .5) except IndexError, exc:
self.logger.debug ("abs line index %i filtered out, not reselecting",
selected_index)
else:
assert select_index >= 0
sel = self.log_view.get_selection ()
path = (select_index,)
sel.select_path (path)
if start_index is None or scroll_to_selection:
self.log_view.scroll_to_cell (path, use_align = True, row_align = .5)
if start_index is not None and not scroll_to_selection:
def traverse ():
for i in xrange (start_index, len (model)):
yield i
for i in xrange (start_index - 1, 0, -1):
yield i
for current_index in traverse ():
try:
target_index = model.line_index_from_top (current_index)
except IndexError:
continue
else:
path = (target_index,)
self.log_view.scroll_to_cell (path, use_align = True, row_align = 0.)
break
def update_view (self): def update_view (self):
@ -1890,7 +1914,7 @@ class Window (object):
self.log_range.reset () self.log_range.reset ()
self.log_filter = None self.log_filter = None
self.update_model (self.log_range) self.update_model (self.log_range)
self.pop_view_state () self.pop_view_state (scroll_to_selection = True)
self.actions.show_hidden_lines.props.sensitive = False self.actions.show_hidden_lines.props.sensitive = False
def handle_edit_copy_line_action_activate (self, action): def handle_edit_copy_line_action_activate (self, action):