From b43117ad9858c03409a2e9f0784d7f52bcda4059 Mon Sep 17 00:00:00 2001
From: Felipe Heidrich
Date: Wed, 28 Feb 2007 22:16:13 +0000
Subject: Bug 172316 - Display.post() should support mouse buttons 4 and 5

---
 .../gtk/org/eclipse/swt/widgets/Display.java          | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

(limited to 'bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/Display.java')

diff --git a/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/Display.java b/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/Display.java
index daea9ed3fe..8a3c9b2709 100644
--- a/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/Display.java	
+++ b/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/Display.java	
@@ -2824,11 +2824,28 @@ public boolean post (Event event) {
 				OS.XTestFakeMotionEvent (xDisplay, -1, event.x, event.y, 0);
 			} else {
 				int button = event.button;
-				if (button < 1 || button > 3) return false;
+				switch (button) {
+					case 1:
+					case 2:
+					case 3:	break;
+					case 4: button = 6;	break;
+					case 5: button = 7;	break;
+					default: return false;
+				}
 				OS.XTestFakeButtonEvent (xDisplay, button, type == SWT.MouseDown, 0);
 			}
 			return true;
 		}
+		/*
+		* This code is intentionally commented. After posting a
+		* mouse wheel event the system may respond unpredictably
+		* to subsequent mouse actions.
+		*/
+//		case SWT.MouseWheel: {
+//			if (event.count == 0) return false;
+//			int button = event.count < 0 ? 5 : 4;
+//			OS.XTestFakeButtonEvent (xDisplay, button, type == SWT.MouseWheel, 0);			
+//		}
 	}
 	return false;
 }
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