Bug 641 NEWT/OSX Deliver keySym, derived from the current layout's lower-case UTF-16 character.

1 files changed, 82 insertions, 0 deletions

diff --git a/src/newt/classes/com/jogamp/newt/event/UTFKeyUtil.java b/src/newt/classes/com/jogamp/newt/event/UTFKeyUtil.java
new file mode 100644
index 000000000..73afa0993
--- /dev/null
+++ b/src/newt/classes/com/jogamp/newt/event/UTFKeyUtil.java
@@ -0,0 +1,82 @@
+/**
+ * Copyright 2013 JogAmp Community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ * 
+ *    1. Redistributions of source code must retain the above copyright notice, this list of
+ *       conditions and the following disclaimer.
+ * 
+ *    2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *       of conditions and the following disclaimer in the documentation and/or other materials
+ *       provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of JogAmp Community.
+ */
+package com.jogamp.newt.event;
+
+import com.jogamp.newt.event.KeyEvent;
+
+public class UTFKeyUtil {
+      
+    //
+    // UTF Key Constants
+    //
+    private static final char UTF_Equal                = '=';
+    private static final char UTF_Minus                = '-';
+    private static final char UTF_RightBracket         = ']';
+    private static final char UTF_LeftBracket          = '[';
+    private static final char UTF_Quote                = '\''; 
+    private static final char UTF_Semicolon            = ';';
+    private static final char UTF_Backslash            = '\\'; 
+    private static final char UTF_Comma                = ',';
+    private static final char UTF_Slash                = '/';
+    private static final char UTF_Period               = '.';
+    private static final char UTF_Grave                = '`'; // back quote
+        
+    /**
+     * @param keyChar UTF16 value to map. Note: Lower case values are preferred.
+     * @return {@link KeyEvent} virtual key (VK) value if possible,
+     *         otherwise simply the UTF16 value of type short as a last resort.
+     */
+    public static short utf16ToVKey(char keyChar) {
+        if( 'a' <= keyChar && keyChar <= 'z' ) {
+            return (short) ( ( keyChar - 'a' ) + KeyEvent.VK_A );
+        }
+        if( '0' <= keyChar && keyChar <= '9' ) {
+            return (short) ( ( keyChar - '0' ) + KeyEvent.VK_0 );
+        }
+        switch(keyChar) {
+            //
+            // KeyCodes (Layout Dependent)
+            //
+            case UTF_Equal:           return KeyEvent.VK_EQUALS;
+            case UTF_Minus:           return KeyEvent.VK_MINUS;
+            case UTF_RightBracket:    return KeyEvent.VK_CLOSE_BRACKET;
+            case UTF_LeftBracket:     return KeyEvent.VK_OPEN_BRACKET;
+            case UTF_Quote:           return KeyEvent.VK_QUOTE; 
+            case UTF_Semicolon:       return KeyEvent.VK_SEMICOLON;
+            case UTF_Backslash:       return KeyEvent.VK_BACK_SLASH; 
+            case UTF_Comma:           return KeyEvent.VK_COMMA;
+            case UTF_Slash:           return KeyEvent.VK_SLASH;
+            case UTF_Period:          return KeyEvent.VK_PERIOD;
+            case UTF_Grave:           return KeyEvent.VK_BACK_QUOTE; // KeyEvent.VK_DEAD_GRAVE
+        }
+        if( 'A' <= keyChar && keyChar <= 'Z' ) {
+            return (short) ( ( keyChar - 'A' ) + KeyEvent.VK_A );
+        }
+        return (short) keyChar;
+    }    
+}