[PATCH 2/2] Truncate caret of text input field at top & bottom boundaries.

[Achal-Aggarwal]

---
 desktop/textarea.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/desktop/textarea.c b/desktop/textarea.c
index 8e4b1dd..c148a58 100644
--- a/desktop/textarea.c
+++ b/desktop/textarea.c
@@ -462,12 +462,19 @@ static bool textarea_set_caret_internal(struct textarea 
*ta, int caret_b)
                                                ((ta->bar_x == NULL) ?
                                                0 : SCROLLBAR_WIDTH)
                        };
+
+                       /* Truncate height of caret on top and bottom 
boundaries */
+                       height = ta->line_height;
+                       if (y - ta->scroll_y + height > cr.y1) {
+                               height = cr.y1 - y + ta->scroll_y;
+                       }
+
                        msg.ta = ta;
                        msg.type = TEXTAREA_MSG_CARET_UPDATE;
                        msg.data.caret.type = TEXTAREA_CARET_SET_POS;
                        msg.data.caret.pos.x = x - ta->scroll_x;
                        msg.data.caret.pos.y = y - ta->scroll_y;
-                       msg.data.caret.pos.height = ta->line_height;
+                       msg.data.caret.pos.height = height;
                        msg.data.caret.pos.clip = &cr;
 
                        ta->callback(ta->data, &msg);
-- 
1.8.3.2