diff options
Diffstat (limited to 'src/msd/msd_main_window.py')
| -rw-r--r-- | src/msd/msd_main_window.py | 28 |
1 files changed, 25 insertions, 3 deletions
diff --git a/src/msd/msd_main_window.py b/src/msd/msd_main_window.py index e72c344..5891a5a 100644 --- a/src/msd/msd_main_window.py +++ b/src/msd/msd_main_window.py @@ -122,17 +122,39 @@ class MainWindow(object): self.__sort_order.set_sort_by(sort_by) tv = column.get_tree_view() model = tv.get_model() - model.flush() + + # remove the model first to avoid handling lots of useless signals tv.set_model(None) + model.flush() tv.set_model(model) - def __create_column(self, treeview, name, col, width, sort_by): + def __cell_data_func(self, column, cell, model, tree_iter): + # Only search model supports set_request_range at the moment + if self.__search_view.get_model() == model: + path = model.get_path (tree_iter) + + # 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() + if (path[0] >= requested_range[0] and + path[0] <= requested_range[1]): + return + + visible_range = self.__search_view.get_visible_range() + if (visible_range): + visible_count = visible_range[1][0] - visible_range[0][0] + model.set_request_range(max(0, visible_range[0][0] - visible_count // 2), + min(len(model) - 1, visible_range[1][0] + visible_count // 2)) + + def __create_column(self, treeview, name, col, width, sort_by, cell_data_func=None): renderer = gtk.CellRendererText() column = gtk.TreeViewColumn(name, renderer) column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED) column.set_fixed_width(width) column.add_attribute(renderer, 'text', col) column.connect("clicked", self.__column_clicked, sort_by) + column.set_cell_data_func(renderer, cell_data_func); treeview.append_column(column) def __close_overlay(self): @@ -192,7 +214,7 @@ class MainWindow(object): treeview.set_headers_visible(True) treeview.set_fixed_height_mode(True) - self.__create_column(treeview, "Title", 0, 300, "DisplayName") + self.__create_column(treeview, "Title", 0, 300, "DisplayName", self.__cell_data_func) self.__create_column(treeview, "Date", 2, 100, "Date") self.__create_column(treeview, "Type", 3, 75, "Type") self.__create_column(treeview, "Author", 1, 100, "Artist") |