From 2795acfeac02427e104cc64371e8f30a512a0380 Mon Sep 17 00:00:00 2001
From: Christophe Geuzaine <cgeuzaine@ulg.ac.be>
Date: Sun, 9 Dec 2012 21:38:16 +0000
Subject: [PATCH] fix mousewheel center zoom
---
Fltk/openglWindow.cpp | 1 +
1 file changed, 1 insertion(+)
diff --git a/Fltk/openglWindow.cpp b/Fltk/openglWindow.cpp
index 04cd81b9cb..ac5a43ae1b 100644
--- a/Fltk/openglWindow.cpp
+++ b/Fltk/openglWindow.cpp
@@ -426,6 +426,7 @@ int openglWindow::handle(int event)
case FL_MOUSEWHEEL:
{
+ _prev.set(_ctx, Fl::event_x(), Fl::event_y());
double dy = Fl::event_dy();
double fact = (5. * CTX::instance()->zoomFactor * fabs(dy) + h()) / (double)h();
if (CTX::instance()->camera){
--
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