Thanks. Fixed in CVS. A Sáb, 2004-07-03 às 23:36, Thomas Mills Hinkle escreveu: > > Have you tried reproducing it on other Unstable boxes? > > I've now reproduced it on another unstable box (powerpc > > > Do you have a minimal (20-line) testcase so others can run > > and verify if the problem exists? > > To reproduce the problem, I tried creating a version of the basictreeview example > from the tutorial that allowed you to delete the selected rows. Removing the last > row doesn't crash the program. However, hitting "delete" once the view is empty does > segfault on my debian unstable box. > > I'm guessing my original app somehow calls this when deleting the last row -- I'll > check later to make sure. In the mean time, this example (slightly modified from the > tutorial example) does seem to point to a bug somewhere. > > The culprit is treeview.get_selection().get_selected_rows() called with an empty > treeview. Running the attached tvsegfault.py (which does nothing more than set up an > empty treeview and call get_selected_rows) will quickly confirm if the segfault is > reproducible on other systems. > > Tom > > (p.s. apologies for messing up threading with this message -- my regular computer is > temporarily out of commission so I don't have access to the original e-mail to reply > to). > > ---- > Please contribute to my online collaborative literature at > http://tommyrot.arrr.net/qwiki/ > ---- > > ______________________________________________________________________ > #!/usr/bin/env python > > # example basictreeview.py > > import pygtk > pygtk.require('2.0') > import gtk > > class BasicTreeViewExample: > > # Close the window and quit > def delete_event(self, widget, event, data=None): > gtk.main_quit() > return gtk.FALSE > > def __init__(self): > # Create a new window > self.window = gtk.Window(gtk.WINDOW_TOPLEVEL) > > self.window.set_title("Basic TreeView Example") > > self.window.set_size_request(200, 200) > > self.window.connect("delete_event", self.delete_event) > > # create a TreeStore with one string column to use as the model > self.treestore = gtk.TreeStore(str) > > # we'll add some data now - 4 rows with 3 child rows each > for parent in range(4): > piter = self.treestore.append(None, ['parent %i' % parent]) > for child in range(3): > self.treestore.append(piter, ['child %i of parent %i' % > (child, parent)]) > > # create the TreeView using treestore > self.treeview = gtk.TreeView(self.treestore) > > # allow multiple selections > self.treeview.get_selection().set_mode(gtk.SELECTION_MULTIPLE) > > # create the TreeViewColumn to display the data > self.tvcolumn = gtk.TreeViewColumn('Column 0') > > # add tvcolumn to treeview > self.treeview.append_column(self.tvcolumn) > > # create a CellRendererText to render the data > self.cell = gtk.CellRendererText() > > # add the cell to the tvcolumn and allow it to expand > self.tvcolumn.pack_start(self.cell, True) > > # set the cell "text" attribute to column 0 - retrieve text > # from that column in treestore > self.tvcolumn.add_attribute(self.cell, 'text', 0) > > # make it searchable > self.treeview.set_search_column(0) > > # Allow sorting on the column > self.tvcolumn.set_sort_column_id(0) > > # Allow drag and drop reordering of rows > self.treeview.set_reorderable(True) > > # Create delete button > self.deleteB = gtk.Button("Delete Selected Rows") > self.deleteB.connect('clicked',self.delete_rows) > > self.vbox = gtk.VBox() > > self.vbox.add(self.treeview) > self.vbox.add(self.deleteB) > self.window.add(self.vbox) > > self.window.show_all() > > def delete_rows (self, *args): > print 'delete_rows called' > treestore,paths=self.treeview.get_selection().get_selected_rows() > print 'got selected rows...' > paths.reverse() > for path in paths: > print 'removing iter@',path > iter = treestore.get_iter(path) > treestore.remove(iter) > > def main(): > gtk.main() > > if __name__ == "__main__": > tvexample = BasicTreeViewExample() > main() > > ______________________________________________________________________ > #!/usr/bin/env python > > # segfaulting example, quickndirty > > import pygtk > pygtk.require('2.0') > import gtk > > # create a TreeStore with one string column to use as the model > treestore = gtk.TreeStore(str) > treeview = gtk.TreeView(treestore) > treeview.get_selection().set_mode(gtk.SELECTION_MULTIPLE) > treestore,paths=treeview.get_selection().get_selected_rows() > > ______________________________________________________________________ > _______________________________________________ > pygtk mailing list [EMAIL PROTECTED] > http://www.daa.com.au/mailman/listinfo/pygtk > Read the PyGTK FAQ: http://www.async.com.br/faq/pygtk/ -- Gustavo J. A. M. Carneiro <[EMAIL PROTECTED]> <[EMAIL PROTECTED]> The universe is always one step beyond logic
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