From 5e0b7441d2e2f5ad3fd1f512bdac52d187893a3f Mon Sep 17 00:00:00 2001
From: wongk <kris.p.wong@gmail.com>
Date: Thu, 3 Nov 2011 13:14:39 -0400
Subject: [PATCH] Allow user to click on arrows on the function hint proposal.

Also added the ability to use the mouse wheel to scroll through the
overloads.

Task-Number: QTCREATORBUG-5540
Change-Id: I8854bdcdf0b1456afdbc7ea2e27cd3ff7b7fcf41
Reviewed-by: Leandro Melo <leandro.melo@nokia.com>
---
 .../texteditor/codeassist/functionhintproposalwidget.cpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/plugins/texteditor/codeassist/functionhintproposalwidget.cpp b/src/plugins/texteditor/codeassist/functionhintproposalwidget.cpp
index 19236306a4c..57cf2b153f5 100644
--- a/src/plugins/texteditor/codeassist/functionhintproposalwidget.cpp
+++ b/src/plugins/texteditor/codeassist/functionhintproposalwidget.cpp
@@ -233,8 +233,15 @@ bool FunctionHintProposalWidget::eventFilter(QObject *obj, QEvent *e)
     case QEvent::MouseButtonDblClick:
     case QEvent::Wheel: {
             QWidget *widget = qobject_cast<QWidget *>(obj);
-            if (! (widget == this || isAncestorOf(widget))) {
+            if (!d->m_popupFrame->isAncestorOf(widget)) {
                 abort();
+            } else if (e->type() == QEvent::Wheel) {
+                if (static_cast<QWheelEvent*>(e)->delta() > 0) {
+                    previousPage();
+                } else {
+                    nextPage();
+                }
+                return true;
             }
         }
         break;