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Fix some refcounting issues in the print dialog

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gtk_tree_model_get returns a reference for objects, but the
printers in the model can be NULL,
https://bugzilla.gnome.org/show_bug.cgi?id=646446
This commit is contained in:
Matthias Clasen 2011-04-01 22:02:38 -04:00
parent eb02dacb37
commit 315bb30220
1 changed files with 10 additions and 12 deletions
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22
gtk/gtkprintunixdialog.c
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@ -774,13 +774,11 @@ void set_cell_sensitivity_func (GtkTreeViewColumn *tree_column,
gtk_tree_model_get (tree_model, iter, PRINTER_LIST_COL_PRINTER_OBJ, &printer, -1);
if (printer != NULL && !gtk_printer_is_accepting_jobs (printer))
g_object_set (cell,
"sensitive", FALSE,
NULL);
g_object_set (cell, "sensitive", FALSE, NULL);
else
g_object_set (cell,
"sensitive", TRUE,
NULL);
g_object_set (cell, "sensitive", TRUE, NULL);
g_object_unref (printer);
}
static void
@ -1009,10 +1007,8 @@ is_printer_active (GtkTreeModel *model,
GtkPrinter *printer;
GtkPrintUnixDialogPrivate *priv = dialog->priv;
gtk_tree_model_get (model,
iter,
PRINTER_LIST_COL_PRINTER_OBJ,
&printer,
gtk_tree_model_get (model, iter,
PRINTER_LIST_COL_PRINTER_OBJ, &printer,
-1);
if (printer == NULL)
@ -1082,8 +1078,10 @@ default_printer_list_sort_func (GtkTreeModel *model,
g_free (a_name);
g_free (b_name);
g_object_unref (a_printer);
g_object_unref (b_printer);
if (a_printer)
g_object_unref (a_printer);
if (b_printer)
g_object_unref (b_printer);
return result;
}