From d556005df149558e2614b7019ca4b180f9c44fb8 Mon Sep 17 00:00:00 2001
From: Bent Bisballe Nyeng <deva@aasimon.org>
Date: Thu, 7 Mar 2013 21:10:47 +0100
Subject: Add scrollEvent and use it for scrolling on listbox.

---
 plugingui/listbox.cc | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'plugingui/listbox.cc')

diff --git a/plugingui/listbox.cc b/plugingui/listbox.cc
index dfb5f07..f917368 100644
--- a/plugingui/listbox.cc
+++ b/plugingui/listbox.cc
@@ -125,6 +125,15 @@ void GUI::ListBox::repaintEvent(GUI::RepaintEvent *e)
                   width() - 1, height() - 1);
 }
 
+void GUI::ListBox::scrollEvent(ScrollEvent *e)
+{
+  scroll_offset += e->delta;
+  if(scroll_offset < 0) scroll_offset = 0;
+  if(scroll_offset > (items.size() - 1))
+    scroll_offset = (items.size() - 1);
+  repaintEvent(NULL);
+}
+
 void GUI::ListBox::buttonEvent(ButtonEvent *e)
 {
   //printf("click %d %d [dc: %d]\n", e->x, e->y, e->doubleclick);
-- 
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