From 47457664e2a13d769b411321b0c40457cb6fa39f Mon Sep 17 00:00:00 2001
From: Thomas Jentzsch <tjentzsch@yahoo.de>
Date: Sun, 28 Jul 2019 19:55:36 +0200
Subject: [PATCH] Improve zooming

---
 src/debugger/gui/TiaZoomWidget.cxx | 21 +++++++++++++++++----
 1 file changed, 17 insertions(+), 4 deletions(-)

diff --git a/src/debugger/gui/TiaZoomWidget.cxx b/src/debugger/gui/TiaZoomWidget.cxx
index 14b4373c6..cd6d4b596 100644
--- a/src/debugger/gui/TiaZoomWidget.cxx
+++ b/src/debugger/gui/TiaZoomWidget.cxx
@@ -85,15 +85,15 @@ void TiaZoomWidget::zoom(int level)
   if(myZoomLevel == level)
     return;
 
-  // TODO: zoom to center
-  //int x = myXOff + myNumCols / 2;
-  //int y = myYOff + myNumRows / 2;
+  // zoom to click position
+  int x = (myXOff << 1) + myClickX / myZoomLevel;
+  int y = myYOff + myClickY / myZoomLevel;
 
   myZoomLevel = level;
   myNumCols = ((_w - 4) >> 1) / myZoomLevel;
   myNumRows = (_h - 4) / myZoomLevel;
 
-  //setPos(x, y);
+  setPos(x, y);
 
   recalc();
 }
@@ -140,6 +140,19 @@ void TiaZoomWidget::handleMouseUp(int x, int y, MouseButton b, int clickCount)
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 void TiaZoomWidget::handleMouseWheel(int x, int y, int direction)
 {
+  /*
+  // TODO: zoom towards mouse point
+  myClickX = (x - getAbsX()) / myZoomLevel + myXOff * 1;
+  myClickY = (y - getAbsY()) / myZoomLevel + myYOff * 1;
+  setPos(myClickX, myClickY);
+
+  if(direction > 0)
+  {
+  }
+  else
+  {
+  }*/
+
   if(direction > 0)
     handleEvent(Event::UIDown);
   else