update Readme, fix extended func keys

git-svn-id: https://svn.o-hand.com/repos/matchbox/trunk/matchbox-keyboard@1134 b067294f-1dea-0310-9683-c47a78595994

README

@@ -121,6 +121,14 @@ children. A key tag can optionally have the following attributes;
 
   If set, the keys width is set to fill all available free space. 
 
+  * extended=true|false ( defaults to false )
+
+  Keys set with this extended attribute set to true will *only*
+  be shown if the display is landscape, rather than portrait.
+  The rational for this is to better adapt to screen rotations.
+  ( Note: the <space> tag can also use this. )
+
+
 The <key> then has sub tags specifies the appearance and action for
 the five possible key states; <default>,<shifted>,<mod1>,<mod2>,<mod3>.
 

layouts/keyboard.xml

@@ -93,10 +93,10 @@
     <space width="500" extended="true"/>
 
     <key width="4000"  extended="true">
-	  <default display="Home" />
+	  <default display="Home" action="home"/>
     </key>
     <key width="4000"  extended="true">
-	  <default display="PgUp" />
+	  <default display="PgUp" action="pageup"/>
     </key>
 
     <space width="500" extended="true"/>
@@ -168,10 +168,10 @@
     <space width="500" extended="true"/>
 
     <key width="4000"  extended="true">
-	  <default display="End" />
+	  <default display="End" action="end"/>
     </key>
     <key width="4000"  extended="true">
-	  <default display="PgDn" />
+	  <default display="PgDn" action="pagedown"/>
     </key>
 
     <space width="500" extended="true"/>