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Simplify redraw node walk.

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This commit is contained in:
Michael Drake 2013-06-03 18:54:19 +01:00
parent fd453beb97
commit 088d60ec96
1 changed files with 12 additions and 21 deletions
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33
desktop/treeview.c
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@ -796,29 +796,20 @@ void treeview_redraw(struct treeview *tree, int x, int y, struct rect *clip,
node = next;
inset += tree_g.step_width;
} else {
/* no children */
next = node->sibling_next;
/* No children. As long as we're not at the root,
* go to next sibling if present, or nearest ancestor
* with a next sibling. */
if (next != NULL) {
/* on to next sibling */
node = next;
} else {
/* no next sibling */
while (node != root) {
next = node->sibling_next;
if (next != NULL) {
break;
}
node = node->parent;
inset -= tree_g.step_width;
}
if (node == root)
break;
node = node->sibling_next;
while (node != root &&
node->sibling_next == NULL) {
node = node->parent;
inset -= tree_g.step_width;
}
if (node == root)
break;
node = node->sibling_next;
}
assert(node != NULL);