From 94f8e5f4d5726943838e538e54ac8cb2df13c2a1 Mon Sep 17 00:00:00 2001
From: cignoni <paolo.cignoni@isti.cnr.it>
Date: Wed, 26 Jul 2006 13:54:45 +0000
Subject: [PATCH] Reversed the direction of wheel scaling and added middle
 mouse panning

---
 wrap/gui/trackball.cpp | 8 ++++++++
 wrap/gui/trackmode.cpp | 5 ++++-
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/wrap/gui/trackball.cpp b/wrap/gui/trackball.cpp
index 5aac85da..78d1cbc4 100644
--- a/wrap/gui/trackball.cpp
+++ b/wrap/gui/trackball.cpp
@@ -24,6 +24,13 @@
   History
 
 $Log: not supported by cvs2svn $
+Revision 1.15  2006/02/13 13:15:52  cignoni
+Added Scale and Translate methods.
+Added many drawing hints and raised the default num. of steps when drawing circles.
+Added MouseDown without coords (for remembering changes of keys modifiers)
+Added ZMode to the default modes under Alt+left
+Added DrawPostApply (to be completed)
+
 Revision 1.14  2005/10/17 01:29:46  cignoni
 Main restructuring. Removed the Draw function and slightly changed the meaning of the trackball itself.
 See the notes at the beginning of trackball.h
@@ -90,6 +97,7 @@ Trackball::Trackball(): current_button(0), current_mode(NULL),
   modes[0]                       = NULL;
   modes[BUTTON_LEFT]             = new SphereMode();
   modes[BUTTON_LEFT | KEY_CTRL]  = new PlaneMode(Plane3f(0, Point3f(1, 0, 0)));
+  modes[BUTTON_MIDDLE]           = new PlaneMode(Plane3f(0, Point3f(1, 0, 0)));
   modes[BUTTON_LEFT | KEY_SHIFT] = new ScaleMode();
   modes[BUTTON_LEFT | KEY_ALT  ] = new ZMode();
   modes[WHEEL]                   = new ScaleMode();
diff --git a/wrap/gui/trackmode.cpp b/wrap/gui/trackmode.cpp
index 9a47ecfe..4fbb12d0 100644
--- a/wrap/gui/trackmode.cpp
+++ b/wrap/gui/trackmode.cpp
@@ -24,6 +24,9 @@
   History
 
 $Log: not supported by cvs2svn $
+Revision 1.16  2006/02/13 13:10:27  cignoni
+Added Zmode for moving objects along the perpendicular to the viewplane
+
 Revision 1.15  2006/01/12 15:40:05  cignoni
 Corrected small bugs on rotating after scaling+translating
 changed void PlaneMode::Apply and void SphereMode::Apply
@@ -83,7 +86,7 @@ using namespace vcg;
 
 
 void TrackMode::Apply(Trackball *trackball, float WheelNotch) {
-    trackball->track.sca*=pow(1.2f,WheelNotch);
+    trackball->track.sca*=pow(1.2f,-WheelNotch);
  }
 
 void ScaleMode::Apply(Trackball *tb, Point3f new_point) {