If the selected line in the choose-tree list is in the area that would
otherwise be obscured next time the preview was shown, move the current
line to the bottom of the list.
Without this, scrolling appers to be "invisible" until the offset is
reset to the bottom of the list.
---
mode-tree.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/mode-tree.c b/mode-tree.c
index 4e11a3b4..131554a5 100644
--- a/mode-tree.c
+++ b/mode-tree.c
@@ -870,6 +870,15 @@ mode_tree_key(struct mode_tree_data *mtd, struct client
*c, key_code *key,
case 'v':
mtd->preview = !mtd->preview;
mode_tree_build(mtd);
+
+ /* If the current line would be obscured when the preview
+ * window reappeared next, reset the the offset to the last
+ * viible line on the screen.
+ */
+ if (mtd->preview && mtd->current > mtd->height - 1) {
+ mtd->offset = mtd->current - mtd->height;
+ mtd->current--;
+ }
break;
}
return (0);
--
2.14.0
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