Re: gtk_tree_store_clear segfaults

[Kristian Rietveld <kris gtk org>]

On Tue, 2002-02-26 at 01:35, Chaoron wrote:
> Dear developers!
> 
> When there an at least 3 level deep tree and any node selected under the 
> second level,
> the gtk_tree_store_clear call segfaults (in other cases segfault may occure, 
> may not).
> I couldn't figure out why. It looks like an internal list is corrupted. 
> Here is a small program that demonstrates, just select node "Test 3" and 
> press the
> "Clear" button. I tried it with GTK+ version 1.3.13 and 1.3.14.
> 

It doesn't crash for me using using gtk+ from CVS head. Try upgrading to
1.3.15.


regards,


	Kris

> 
> #include <gtk/gtk.h>
> 
> static void
> on_buttonTreeClear_clicked(GtkButton *button, gpointer user_data)
> {
>    gtk_tree_store_clear(GTK_TREE_STORE(user_data));
> }
> 
> 
> int
> main (int argc, char *argv[])
> {
>    GtkWidget *vboxMain;
>    GtkWidget *windowMain;
>    GtkCellRenderer *cell_rendererMainTree;
>    GtkTreeViewColumn *columnMainTree;
>    GtkTreeStore *storeMainTree;
>    GtkWidget *treeviewMainTree;    GtkWidget *buttonTreeClear;
>    GtkTreeIter newiter;
>      gtk_init (&argc, &argv);
>      windowMain = gtk_window_new (GTK_WINDOW_TOPLEVEL);
>    gtk_window_set_title (GTK_WINDOW (windowMain), "Test");
>    gtk_window_set_default_size (GTK_WINDOW (windowMain), 320, 240);
>      vboxMain = gtk_vbox_new (FALSE, 0);
>    gtk_widget_show (vboxMain);
>    gtk_container_add (GTK_CONTAINER (windowMain), vboxMain);
>      storeMainTree = gtk_tree_store_new(1, G_TYPE_STRING);
>    treeviewMainTree = gtk_tree_view_new_with_model (GTK_TREE_MODEL 
> (storeMainTree));    cell_rendererMainTree = gtk_cell_renderer_text_new ();
>      g_object_set (G_OBJECT (cell_rendererMainTree), "foreground", "black", 
> NULL);
>    columnMainTree = gtk_tree_view_column_new_with_attributes ("Test",
>                  cell_rendererMainTree,
> 						    "text", 0,
> 						    NULL);
>    gtk_tree_view_append_column (GTK_TREE_VIEW (treeviewMainTree), 
> columnMainTree);
>    gtk_widget_show (treeviewMainTree);
>    gtk_box_pack_start (GTK_BOX (vboxMain), treeviewMainTree, TRUE, TRUE, 0);
> 
>    buttonTreeClear = gtk_button_new_with_label ("Clear");
>    gtk_widget_show (buttonTreeClear);
>    gtk_box_pack_start (GTK_BOX (vboxMain), buttonTreeClear, FALSE, TRUE, 0);
> 
>    gtk_signal_connect(GTK_OBJECT (windowMain), "destroy",
>                       GTK_SIGNAL_FUNC (gtk_main_quit),
>                       NULL);
>      gtk_signal_connect (GTK_OBJECT (buttonTreeClear), "clicked",
>                        GTK_SIGNAL_FUNC (on_buttonTreeClear_clicked),
>                        storeMainTree);
> 
>    gtk_tree_store_insert(storeMainTree, &newiter, NULL, 0);
>    gtk_tree_store_set(storeMainTree, &newiter, 0, "Test 1", -1);
>      gtk_tree_store_insert(storeMainTree, &newiter, &newiter, 0);
>    gtk_tree_store_set(storeMainTree, &newiter, 0, "Test 2", -1);
>      gtk_tree_store_insert(storeMainTree, &newiter, &newiter, 0);
>    gtk_tree_store_set(storeMainTree, &newiter, 0, "Test 3", -1);
>      gtk_tree_view_expand_all(GTK_TREE_VIEW(treeviewMainTree));
>      gtk_widget_show (windowMain);
>      gtk_main();
>      return 0;
> }
> 
> 
> Best regards,
>    Chaoron
> 
> 
> ------------------------------=> http://people.inf.elte.hu/chaoron <=---
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