diff --git a/res/xml/number_row.xml b/res/xml/number_row.xml
index 2320ade..5d76381 100644
--- a/res/xml/number_row.xml
+++ b/res/xml/number_row.xml
@@ -1,13 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
 <row height="0.75">
-    <key key0="1" se="!"/>
-    <key key0="2" se="@"/>
-    <key key0="3" se="#"/>
-    <key key0="4" se="$"/>
-    <key key0="5" se="%"/>
-    <key key0="6" sw="^"/>
-    <key key0="7" sw="&amp;"/>
-    <key key0="8" sw="*"/>
-    <key key0="9" sw="("/>
-    <key key0="0" sw=")"/>
+    <key role="action" key0="1" se="!"/>
+    <key role="action" key0="2" se="@"/>
+    <key role="action" key0="3" se="#"/>
+    <key role="action" key0="4" se="$"/>
+    <key role="action" key0="5" se="%"/>
+    <key role="action" key0="6" sw="^"/>
+    <key role="action" key0="7" sw="&amp;"/>
+    <key role="action" key0="8" sw="*"/>
+    <key role="action" key0="9" sw="("/>
+    <key role="action" key0="0" sw=")"/>
 </row>
diff --git a/res/xml/numeric.xml b/res/xml/numeric.xml
index 0b3c3a6..00f3291 100644
--- a/res/xml/numeric.xml
+++ b/res/xml/numeric.xml
@@ -1,22 +1,22 @@
 <?xml version="1.0" encoding="utf-8"?>
 <keyboard bottom_row="false">
   <row>
-    <key width="0.75" key0="loc esc" key2="~" key4="!"/>
-    <key width="0.75" key0="(" key2="[" key4="{"/>
+    <key width="0.75" role="action" key0="loc esc" key2="~" key4="!"/>
+    <key width="0.75" role="action" key0="(" key2="[" key4="{"/>
     <key key0="7" key1="&lt;" key2="&gt;"/>
     <key key0="8" key2="∞"/>
     <key key0="9" key2="π"/>
-    <key width="0.75" key0="*" key1="√" key2="×" key3="\#"/>
-    <key width="0.75" key0="/" key1="%" key3="÷"/>
+    <key width="0.75" role="action" key0="*" key1="√" key2="×" key3="\#"/>
+    <key width="0.75" role="action" key0="/" key1="%" key3="÷"/>
   </row>
   <row>
-    <key width="0.75" key0="loc tab" key2="|" key4="\\"/>
-    <key width="0.75" key0=")" key2="]" key4="}"/>
+    <key width="0.75" role="action" key0="loc tab" key2="|" key4="\\"/>
+    <key width="0.75" role="action" key0=")" key2="]" key4="}"/>
     <key key0="4" key1="box" key3="arrows"/>
     <key key0="5" key7="up" key6="right" key5="left" key8="down"/>
     <key key0="6"/>
-    <key width="0.75" key0="+" key1="Σ" key2="$"/>
-    <key width="0.75" key0="-" key1="^"/>
+    <key width="0.75" role="action" key0="+" key1="Σ" key2="$"/>
+    <key width="0.75" role="action" key0="-" key1="^"/>
   </row>
   <row>
     <key width="0.75" role="action" key0="switch_greekmath"/>
@@ -29,8 +29,8 @@
   <row height="0.95">
     <key width="1.5" role="action" key0="switch_text" key2="ctrl"/>
     <key width="1.5" key0="0"/>
-    <key width="0.75" key0="." key1=":" key2="," key3=";"/>
-    <key width="0.75" key0="space" key1="&quot;" key2="'" key3="loc compose" key4="_"/>
+    <key width="0.75" role="action" key0="." key1=":" key2="," key3=";"/>
+    <key width="0.75" role="action" key0="action" key1="&quot;" key2="'" key3="loc compose" key4="_"/>
     <key width="1.5" role="action" key0="enter" key1="±" key2="action" key3="="/>
   </row>
 </keyboard>
diff --git a/res/xml/numpad.xml b/res/xml/numpad.xml
index 3ddb830..63d1d3d 100644
--- a/res/xml/numpad.xml
+++ b/res/xml/numpad.xml
@@ -1,27 +1,27 @@
 <?xml version="1.0" encoding="utf-8"?>
 <keyboard bottom_row="false">
     <row>
-        <key key0="7"/>
-        <key key0="8"/>
-        <key key0="9"/>
-        <key key0="/"/>
+        <key role="action" key0="7"/>
+        <key role="action" key0="8"/>
+        <key role="action" key0="9"/>
+        <key role="action" key0="/"/>
     </row>
     <row>
-        <key key0="4"/>
-        <key key0="5"/>
-        <key key0="6"/>
-        <key key0="*"/>
+        <key role="action" key0="4"/>
+        <key role="action" key0="5"/>
+        <key role="action" key0="6"/>
+        <key role="action" key0="*"/>
     </row>
     <row>
-        <key key0="1"/>
-        <key key0="2"/>
-        <key key0="3"/>
-        <key key0="-"/>
+        <key role="action" key0="1"/>
+        <key role="action" key0="2"/>
+        <key role="action" key0="3"/>
+        <key role="action" key0="-"/>
     </row>
     <row height="0.95">
-        <key key0="0"/>
-        <key key0="."/>
-        <key key0="="/>
-        <key key0="+"/>
+        <key role="action" key0="0"/>
+        <key role="action" key0="."/>
+        <key role="action" key0="="/>
+        <key role="action" key0="+"/>
     </row>
-</keyboard>
\ No newline at end of file
+</keyboard>