Basic table scrollbar rendering.

1 files changed, 4 insertions, 1 deletions

diff --git a/src/input.c b/src/input.c
index c4b1be7..20551a6 100644
--- a/src/input.c
+++ b/src/input.c
@@ -6,6 +6,7 @@
 
 #include <cassert.h>
 
+#define Min(a, b) ((a) < (b) ? (a) : (b))
 #define Max(a, b) ((a) > (b) ? (a) : (b))
 
 /// Return true if the rectangle contains the point.
@@ -85,7 +86,9 @@ static void ClickTable(uiTable* table, const uiMouseClickEvent* event) {
 static void ScrollTable(uiTable* table, const uiMouseScrollEvent* event) {
   assert(table);
   assert(event);
-  table->offset = Max(0, table->offset - event->scroll_offset);
+  table->offset =
+      Min(table->rows - table->num_visible_rows,
+          Max(0, table->offset - event->scroll_offset));
 }
 
 /// Process a scroll event.