From 56f9652bab724aac9091260e66981346397187b2 Mon Sep 17 00:00:00 2001
From: "akkana%netscape.com" <akkana%netscape.com>
Date: Wed, 20 Oct 1999 20:02:44 +0000
Subject: [PATCH] 16844: modifier key presses shouldn't insert anything into
 the editor. r=brade

---
 editor/base/nsEditorEventListeners.cpp           | 4 ++++
 editor/libeditor/text/nsEditorEventListeners.cpp | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/editor/base/nsEditorEventListeners.cpp b/editor/base/nsEditorEventListeners.cpp
index e55cbfb7f6a7..aa768086bffd 100644
--- a/editor/base/nsEditorEventListeners.cpp
+++ b/editor/base/nsEditorEventListeners.cpp
@@ -185,6 +185,10 @@ nsTextEditorKeyListener::KeyPress(nsIDOMEvent* aKeyEvent)
     // so look for special keys using keyCode
     if (0 != keyCode)
     {
+      if (nsIDOMUIEvent::DOM_VK_SHIFT==keyCode
+          || nsIDOMUIEvent::DOM_VK_CONTROL==keyCode
+          || nsIDOMUIEvent::DOM_VK_ALT==keyCode)
+        return NS_ERROR_BASE; // consumed
       if (nsIDOMUIEvent::DOM_VK_BACK==keyCode) 
       {
         mEditor->DeleteSelection(nsIEditor::eDeletePrevious);
diff --git a/editor/libeditor/text/nsEditorEventListeners.cpp b/editor/libeditor/text/nsEditorEventListeners.cpp
index e55cbfb7f6a7..aa768086bffd 100644
--- a/editor/libeditor/text/nsEditorEventListeners.cpp
+++ b/editor/libeditor/text/nsEditorEventListeners.cpp
@@ -185,6 +185,10 @@ nsTextEditorKeyListener::KeyPress(nsIDOMEvent* aKeyEvent)
     // so look for special keys using keyCode
     if (0 != keyCode)
     {
+      if (nsIDOMUIEvent::DOM_VK_SHIFT==keyCode
+          || nsIDOMUIEvent::DOM_VK_CONTROL==keyCode
+          || nsIDOMUIEvent::DOM_VK_ALT==keyCode)
+        return NS_ERROR_BASE; // consumed
       if (nsIDOMUIEvent::DOM_VK_BACK==keyCode) 
       {
         mEditor->DeleteSelection(nsIEditor::eDeletePrevious);