From 6bfa3c2b79426c01f5f85c418a5c77ce4eb51ffb Mon Sep 17 00:00:00 2001
From: DieGurke <55625494+DieGurke@users.noreply.github.com>
Date: Sun, 15 Dec 2019 00:34:44 +0100
Subject: [PATCH] Horizontal Scroll Bar

Implemented primaryScrollBar support for horizontal scroll bar as well.
---
 src/main/java/envoy/client/ui/ChatWindow.java | 10 ++++++-
 .../envoy/client/ui/PrimaryScrollBar.java     | 26 ++++++++++++++-----
 2 files changed, 28 insertions(+), 8 deletions(-)

diff --git a/src/main/java/envoy/client/ui/ChatWindow.java b/src/main/java/envoy/client/ui/ChatWindow.java
index a6510ec..6968f5c 100644
--- a/src/main/java/envoy/client/ui/ChatWindow.java
+++ b/src/main/java/envoy/client/ui/ChatWindow.java
@@ -262,7 +262,15 @@ public class ChatWindow extends JFrame {
 		scrollPane.getVerticalScrollBar()
 			.setUI(new PrimaryScrollBar(5, theme.getInteractableBackgroundColor(),
 					new Color(theme.getInteractableBackgroundColor().getRGB() - 50),
-					new Color(theme.getInteractableBackgroundColor().getRGB() + 170)));
+					new Color(theme.getInteractableBackgroundColor().getRGB() + 170), true));
+		scrollPane.getHorizontalScrollBar().setBackground(theme.getCellColor());
+		scrollPane.getHorizontalScrollBar()
+			.setUI(new PrimaryScrollBar(5, theme.getInteractableBackgroundColor(), new Color(theme.getInteractableBackgroundColor().getRGB() - 50),
+					new Color(theme.getInteractableBackgroundColor().getRGB() + 170), false));
+		// int currentVerticalScrollBarValue =
+		// scrollPane.getVerticalScrollBar().getValue() +
+		// scrollPane.getVerticalScrollBar().getVisibleAmount(); Work in Progress for
+		// autoscroll
 		// messageEnterTextArea
 		messageEnterTextArea.setCaretColor(theme.getTypingMessageColor());
 		messageEnterTextArea.setForeground(theme.getTypingMessageColor());
diff --git a/src/main/java/envoy/client/ui/PrimaryScrollBar.java b/src/main/java/envoy/client/ui/PrimaryScrollBar.java
index aaaa0a0..546119b 100644
--- a/src/main/java/envoy/client/ui/PrimaryScrollBar.java
+++ b/src/main/java/envoy/client/ui/PrimaryScrollBar.java
@@ -29,12 +29,14 @@ public class PrimaryScrollBar extends BasicScrollBarUI{
 	private Color			scrollBarColor;
 	private Color			hoverColor;
 	private Color			draggingColor;
+	private boolean			isVertical;
 	
-	public PrimaryScrollBar(int arcSize, Color scrollBarColor, Color hoverColor, Color draggingColor) {
+	public PrimaryScrollBar(int arcSize, Color scrollBarColor, Color hoverColor, Color draggingColor, boolean isVertical) {
 		this.arcSize = arcSize;
 		this.scrollBarColor	= scrollBarColor;
 		this.hoverColor		= hoverColor;
 		this.draggingColor	= draggingColor;
+		this.isVertical		= isVertical;
 	}
 
 	@Override
@@ -71,7 +73,7 @@ public class PrimaryScrollBar extends BasicScrollBarUI{
 		g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
 		Color		color	= null;
 		JScrollBar	sb		= (JScrollBar) c;
-		if (!sb.isEnabled() || r.width > r.height) {
+		if (!sb.isEnabled() || (isVertical == true && r.width > r.height) || (isVertical == false && r.width < r.height)) {
 			return;
 		} else if (isDragging) {
 			color = draggingColor;
@@ -80,11 +82,21 @@ public class PrimaryScrollBar extends BasicScrollBarUI{
 		} else {
 			color = scrollBarColor;
 		}
-		g2.setPaint(color);
-		g2.fillRoundRect(r.x + 9, r.y, r.width - 10, r.height, arcSize, arcSize);
-		g2.setPaint(Settings.getInstance().getThemes().get(Settings.getInstance().getCurrentTheme()).getCellColor());
-		g2.drawRoundRect(r.x + 9, r.y, r.width - 10, r.height, arcSize, arcSize);
-		g2.dispose();
+
+		if (isVertical == true) {
+			g2.setPaint(color);
+			g2.fillRoundRect(r.x + 9, r.y, r.width - 10, r.height, arcSize, arcSize);
+			g2.setPaint(Settings.getInstance().getThemes().get(Settings.getInstance().getCurrentTheme()).getCellColor());
+			g2.drawRoundRect(r.x + 9, r.y, r.width - 10, r.height, arcSize, arcSize);
+			g2.dispose();
+		}
+		if (isVertical == false) {
+			g2.setPaint(color);
+			g2.fillRoundRect(r.x, r.y + 9, r.width, r.height - 10, arcSize, arcSize);
+			g2.setPaint(Settings.getInstance().getThemes().get(Settings.getInstance().getCurrentTheme()).getCellColor());
+			g2.drawRoundRect(r.x, r.y + 9, r.width, r.height - 10, arcSize, arcSize);
+			g2.dispose();
+		}
 	}
 
 	@Override