From e492134e9b1e0cd63e396eda7ff08d46c276ff4c Mon Sep 17 00:00:00 2001
From: Jeremy Klein <jlklein@google.com>
Date: Thu, 23 Jul 2015 16:25:18 -0700
Subject: Add mouse wheel scroll support.

---
 app/src/main/java/org/connectbot/TerminalView.java | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'app/src')

diff --git a/app/src/main/java/org/connectbot/TerminalView.java b/app/src/main/java/org/connectbot/TerminalView.java
index 88fa90d..261407c 100644
--- a/app/src/main/java/org/connectbot/TerminalView.java
+++ b/app/src/main/java/org/connectbot/TerminalView.java
@@ -39,7 +39,10 @@ import android.graphics.PixelXorXfermode;
 import android.graphics.RectF;
 import android.net.Uri;
 import android.os.AsyncTask;
+import android.support.v4.view.MotionEventCompat;
+import android.view.InputDevice;
 import android.view.KeyEvent;
+import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup.LayoutParams;
 import android.view.accessibility.AccessibilityEvent;
@@ -319,6 +322,23 @@ public class TerminalView extends View implements FontSizeChangedListener {
 		};
 	}
 
+	@Override
+	public boolean onGenericMotionEvent(MotionEvent event) {
+		if ((MotionEventCompat.getSource(event) & InputDevice.SOURCE_CLASS_POINTER) != 0) {
+			switch (event.getAction()) {
+			case MotionEvent.ACTION_SCROLL:
+				// Process scroll wheel movement:
+				float yDistance = MotionEventCompat.getAxisValue(event, MotionEvent.AXIS_VSCROLL);
+				if (yDistance != 0) {
+					int base = bridge.buffer.getWindowBase();
+					bridge.buffer.setWindowBase(base - Math.round(yDistance));
+					return true;
+				}
+			}
+		}
+		return super.onGenericMotionEvent(event);
+	}
+
 	public void propagateConsoleText(char[] rawText, int length) {
 		if (mAccessibilityActive) {
 			synchronized (mAccessibilityLock) {
-- 
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