From 56f637b5e2debde8d96fafb34d9f1f571dd39208 Mon Sep 17 00:00:00 2001
From: bancika <bancika@Bancika-PC>
Date: Thu, 9 Apr 2020 12:10:39 +0200
Subject: [PATCH] Faster auto-scroll while dragging a component outside the
 visible portion of the canvas

---
 diylc/diylc-core/src/org/diylc/presenter/update.xml       | 4 ++++
 .../src/org/diylc/swing/plugins/canvas/CanvasPanel.java   | 8 +++++---
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/diylc/diylc-core/src/org/diylc/presenter/update.xml b/diylc/diylc-core/src/org/diylc/presenter/update.xml
index af52acbc..4e8e5f8d 100644
--- a/diylc/diylc-core/src/org/diylc/presenter/update.xml
+++ b/diylc/diylc-core/src/org/diylc/presenter/update.xml
@@ -2906,6 +2906,10 @@
 					<changeType>IMPROVEMENT</changeType>
 					<description>Improved performance of "Highlight Connected Areas" feature</description>
 				</org.diylc.appframework.update.Change>
+				<org.diylc.appframework.update.Change>
+					<changeType>IMPROVEMENT</changeType>
+					<description>Faster auto-scroll while dragging a component outside the visible portion of the canvas</description>
+				</org.diylc.appframework.update.Change>
 				<org.diylc.appframework.update.Change>
 					<changeType>BUG_FIX</changeType>
 					<description>Older files that contain "Open Jack 1/4" components sometimes open with the jacks rotated the wrong way</description>
diff --git a/diylc/diylc-swing/src/org/diylc/swing/plugins/canvas/CanvasPanel.java b/diylc/diylc-swing/src/org/diylc/swing/plugins/canvas/CanvasPanel.java
index 3598ab09..7175a880 100644
--- a/diylc/diylc-swing/src/org/diylc/swing/plugins/canvas/CanvasPanel.java
+++ b/diylc/diylc-swing/src/org/diylc/swing/plugins/canvas/CanvasPanel.java
@@ -324,17 +324,19 @@ public class CanvasPanel extends JComponent implements Autoscroll {
     // });
   }
 
-  // Autoscroll
+  // Autoscroll
+  
+  private int autoScrollSize = 100;
 
   @Override
   public void autoscroll(Point cursorLocn) {
-    scrollRectToVisible(new Rectangle(cursorLocn.x - 15, cursorLocn.y - 15, 30, 30));
+    scrollRectToVisible(new Rectangle(cursorLocn.x - autoScrollSize, cursorLocn.y - autoScrollSize, autoScrollSize * 2, autoScrollSize * 2));
   }
 
   @Override
   public Insets getAutoscrollInsets() {
     Rectangle rect = getVisibleRect();
-    return new Insets(rect.y - 15, rect.x - 15, rect.y + rect.height + 15, rect.x + rect.width + 15);
+    return new Insets(rect.y - autoScrollSize, rect.x - autoScrollSize, rect.y + rect.height + autoScrollSize, rect.x + rect.width + autoScrollSize);
   }
   
   public void setUseHardwareAcceleration(boolean useHardwareAcceleration) {