From 7d24621c18785e8e038ab9fda30e3a2a99387c3f Mon Sep 17 00:00:00 2001
From: Bane Stojkovic <bancika@gmail.com>
Date: Sun, 22 Feb 2026 22:34:10 +0100
Subject: [PATCH] Cleanup of code that doesn't work for fixing tooltip colors
 on linux mint (kde bug)

---
 .../src/main/java/org/diylc/DIYLCStarter.java |  4 --
 .../main/java/org/diylc/utils/SwingUtils.java | 71 -------------------
 2 files changed, 75 deletions(-)
 delete mode 100644 diylc/diylc-swing/src/main/java/org/diylc/utils/SwingUtils.java

diff --git a/diylc/diylc-swing/src/main/java/org/diylc/DIYLCStarter.java b/diylc/diylc-swing/src/main/java/org/diylc/DIYLCStarter.java
index 9a504613..1141aa09 100644
--- a/diylc/diylc-swing/src/main/java/org/diylc/DIYLCStarter.java
+++ b/diylc/diylc-swing/src/main/java/org/diylc/DIYLCStarter.java
@@ -42,7 +42,6 @@ import org.diylc.serialization.ProjectFileManager;
 import org.diylc.swing.gui.MainFrame;
 import org.diylc.swing.gui.TemplateDialog;
 import org.diylc.swing.plugins.file.ProjectDrawingProvider;
-import org.diylc.utils.SwingUtils;
 
 /**
  * Main class that runs DIYLC.
@@ -139,9 +138,6 @@ public class DIYLCStarter {
 		try {
 			UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
 			
-			// Fix tooltip colors for Linux systems where they may be unreadable
-			SwingUtils.fixTooltipColors();
-			
 			// Apply configurable font scaling from VM argument: -Dorg.diylc.fontScaleFactor=X
 			org.diylc.utils.FontScalingUtils.applyFontScaling();
 		} catch (Exception e) {
diff --git a/diylc/diylc-swing/src/main/java/org/diylc/utils/SwingUtils.java b/diylc/diylc-swing/src/main/java/org/diylc/utils/SwingUtils.java
deleted file mode 100644
index f1458ef0..00000000
--- a/diylc/diylc-swing/src/main/java/org/diylc/utils/SwingUtils.java
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- * 
- * DIY Layout Creator (DIYLC).
- * Copyright (c) 2009-2025 held jointly by the individual authors.
- * 
- * This file is part of DIYLC.
- * 
- * DIYLC is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- * 
- * DIYLC is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public License
- * along with DIYLC.  If not, see <http://www.gnu.org/licenses/>.
- * 
- */
-package org.diylc.utils;
-
-import java.awt.Color;
-import java.util.function.Function;
-import javax.swing.UIManager;
-
-/**
- * Utility class for Swing UI-related operations.
- * 
- * @author Branislav Stojkovic
- */
-public class SwingUtils {
-
-  /**
-   * Fixes tooltip colors for Linux systems where they may be unreadable.
-   * Some Linux L&F themes set white text on light backgrounds, making tooltips invisible.
-   * This method ensures tooltips always have dark text on light background for readability.
-   * 
-   * Should be called after UIManager.setLookAndFeel() to override system defaults.
-   */
-  public static void fixTooltipColors() {
-    Color tooltipBg = UIManager.getColor("ToolTip.background");
-    Color tooltipFg = UIManager.getColor("ToolTip.foreground");
-    
-    // Helper function to calculate brightness (0.0 = black, 1.0 = white)
-    Function<Color, Double> getBrightness = (c) -> {
-      return (0.299 * c.getRed() + 0.587 * c.getGreen() + 0.114 * c.getBlue()) / 255.0;
-    };
-    
-    // Check if we have a problematic color combination (light text on light background)
-    boolean needsFix = false;
-    if (tooltipFg != null && tooltipBg != null) {
-      double fgBrightness = getBrightness.apply(tooltipFg);
-      double bgBrightness = getBrightness.apply(tooltipBg);
-      // If both foreground and background are light, it's unreadable
-      if (fgBrightness > 0.7 && bgBrightness > 0.5) {
-        needsFix = true;
-      }
-    } else if (tooltipFg == null || tooltipBg == null) {
-      // Missing color definitions - set safe defaults
-      needsFix = true;
-    }
-    
-    if (needsFix) {
-      UIManager.put("ToolTip.background", new Color(255, 255, 220)); // Light yellow
-      UIManager.put("ToolTip.foreground", Color.BLACK);
-    }
-  }
-}
-