diff options
Diffstat (limited to 'src/msd/msd_main_window.py')
| -rw-r--r-- | src/msd/msd_main_window.py | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/msd/msd_main_window.py b/src/msd/msd_main_window.py index 1b0e245..7801672 100644 --- a/src/msd/msd_main_window.py +++ b/src/msd/msd_main_window.py @@ -128,13 +128,16 @@ class MainWindow(object): def __cell_data_func(self, column, cell, model, tree_iter): path = model.get_path (tree_iter) + requested_range = model.get_request_range() # This could be a lot smarter: should fetch data so that # there's always at least 1 visible_range preloaded: # that way e.g. pressing PgDn would not show "Loading" - requested_range = model.get_request_range() + + # try to exit early, but note that some models do not know + # the final item count, so path[0] is never larger than range if (path[0] >= requested_range[0] and - path[0] <= requested_range[1]): + (path[0] <= requested_range[1] and model.length_is_known())): return if self.__notebook.get_current_page() == 0: @@ -146,7 +149,7 @@ class MainWindow(object): visible_count = visible_range[1][0] - visible_range[0][0] start = visible_range[0][0] - visible_count // 2 end = visible_range[1][0] + visible_count // 2 - model.set_request_range(max(0, start), min(len(model) - 1, end)) + model.set_request_range(max(0, start), end) def __create_column(self, treeview, name, col, width, sort_by, cell_data_func=None): renderer = gtk.CellRendererText() |