diff options
Diffstat (limited to 'generic')
| -rw-r--r-- | generic/tkTreeItem.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/generic/tkTreeItem.c b/generic/tkTreeItem.c index a7b7475..83b548b 100644 --- a/generic/tkTreeItem.c +++ b/generic/tkTreeItem.c @@ -3857,7 +3857,7 @@ void TreeItem_Identify2(TreeCtrl *tree, TreeItem item_, totalWidth = 0; treeColumn = tree->columns; column = self->columns; - while (column != NULL) + while (treeColumn != NULL) { if (!TreeColumn_Visible(treeColumn)) columnWidth = 0; @@ -3876,7 +3876,7 @@ void TreeItem_Identify2(TreeCtrl *tree, TreeItem item_, Tcl_Obj *subListObj = Tcl_NewListObj(0, NULL); Tcl_ListObjAppendElement(tree->interp, subListObj, Tcl_NewIntObj(TreeColumn_Index(treeColumn))); - if (column->style != NULL) + if ((column != NULL) && (column->style != NULL)) { drawArgs.style = column->style; drawArgs.x = x + totalWidth + indent; @@ -3891,7 +3891,8 @@ void TreeItem_Identify2(TreeCtrl *tree, TreeItem item_, totalWidth += columnWidth; } treeColumn = TreeColumn_Next(treeColumn); - column = column->next; + if (column != NULL) + column = column->next; } } |