From 43c9a048f00479fc09f74ace4a5c4c816bf07fef Mon Sep 17 00:00:00 2001
From: Anton Keks <anton@codeborne.com>
Date: Wed, 23 Dec 2020 13:05:42 +0200
Subject: [PATCH] dispose created fonts - they are not disposed automatically
 by SWT

---
 CHANGELOG                                      | 3 +++
 src/net/azib/ipscan/gui/InfoDialog.java        | 7 +------
 src/net/azib/ipscan/gui/util/LayoutHelper.java | 4 +++-
 3 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/CHANGELOG b/CHANGELOG
index 5ef4fd87..a1ce029b 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,6 @@
+Unreleased:
+- Cleanup some GUI resource leaks
+
 Changes in 3.7.3:
 - Local IP address popup will now list IPv6 addresses and support IPv6 netmasks
 - Support for silent uninstall on Windows #263
diff --git a/src/net/azib/ipscan/gui/InfoDialog.java b/src/net/azib/ipscan/gui/InfoDialog.java
index 6d6f7f0c..04f51278 100644
--- a/src/net/azib/ipscan/gui/InfoDialog.java
+++ b/src/net/azib/ipscan/gui/InfoDialog.java
@@ -41,6 +41,7 @@ public class InfoDialog extends AbstractModalDialog {
 		FontData sysFontData = shell.getFont().getFontData()[0];
 		titleLabel.setLayoutData(formData(new FormAttachment(iconLabel), null, new FormAttachment(0), null));
 		titleLabel.setFont(new Font(null, sysFontData.getName(), sysFontData.getHeight() + 3, sysFontData.getStyle() | SWT.BOLD));
+		titleLabel.addDisposeListener(e -> titleLabel.getFont().dispose());
 		titleLabel.setText(title2);
 
 		Text statsText = new Text(shell, SWT.MULTI | SWT.READ_ONLY);
@@ -62,16 +63,10 @@ public class InfoDialog extends AbstractModalDialog {
 		return super.getShellStyle() | SWT.SHEET;
 	}
 
-	/**
-	 * @return Returns the message.
-	 */
 	public String getMessage() {
 		return message;
 	}
 
-	/**
-	 * @param message The message to set.
-	 */
 	public InfoDialog setMessage(String message) {
 		this.message = message;
 		return this;
diff --git a/src/net/azib/ipscan/gui/util/LayoutHelper.java b/src/net/azib/ipscan/gui/util/LayoutHelper.java
index 70ce5955..012edb9a 100644
--- a/src/net/azib/ipscan/gui/util/LayoutHelper.java
+++ b/src/net/azib/ipscan/gui/util/LayoutHelper.java
@@ -46,7 +46,9 @@ public class LayoutHelper {
 	public static Font iconFont(Shell shell) {
 		FontData fontData = shell.getFont().getFontData()[0];
 		fontData.setHeight(fontData.getHeight() * 4/3);
-		return new Font(shell.getDisplay(), fontData);
+		Font font = new Font(shell.getDisplay(), fontData);
+		shell.addDisposeListener(e -> font.dispose());
+		return font;
 	}
 
 	public static Image icon(final String baseName) {