From ad6748e177322e29d5fe418fbc69bbc45a63af44 Mon Sep 17 00:00:00 2001
From: Marco Rebhan
Date: Thu, 29 Apr 2021 00:25:22 +0200
Subject: Fix scroll speed being dependent on the line count in the file.

Closes #383.
---
 enigma-swing/src/main/java/cuchaz/enigma/gui/panels/EditorPanel.java | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/enigma-swing/src/main/java/cuchaz/enigma/gui/panels/EditorPanel.java b/enigma-swing/src/main/java/cuchaz/enigma/gui/panels/EditorPanel.java
index 61b48ce8..8f020b8a 100644
--- a/enigma-swing/src/main/java/cuchaz/enigma/gui/panels/EditorPanel.java
+++ b/enigma-swing/src/main/java/cuchaz/enigma/gui/panels/EditorPanel.java
@@ -99,6 +99,10 @@ public class EditorPanel {
 		DefaultSyntaxKit kit = (DefaultSyntaxKit) this.editor.getEditorKit();
 		kit.toggleComponent(this.editor, "de.sciss.syntaxpane.components.TokenMarker");
 
+		// set unit increment to height of one line, the amount scrolled per
+		// mouse wheel rotation is then controlled by OS settings
+		this.editorScrollPane.getVerticalScrollBar().setUnitIncrement(this.editor.getFontMetrics(this.editor.getFont()).getHeight());
+
 		// init editor popup menu
 		this.popupMenu = new EditorPopupMenu(this, gui);
 		this.editor.setComponentPopupMenu(this.popupMenu.getUi());
-- 
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