Force tiles in SampleApp to integer boundaries.

src/views/unix/XkeysToSkKeys.h

Index: src/views/unix/XkeysToSkKeys.h
diff --git a/src/views/unix/XkeysToSkKeys.h b/src/views/unix/XkeysToSkKeys.h
index 30eb97d3969c357a255d057ab9c68baeed6323bd..9cc9885db85b2cf2c0caeb53ca63bf11102b1c06 100644
--- a/src/views/unix/XkeysToSkKeys.h
+++ b/src/views/unix/XkeysToSkKeys.h
@@ -31,6 +31,35 @@ SkKey XKeyToSkKey(KeySym keysym) {
             return kDown_SkKey;
         case XK_Up:
             return kUp_SkKey;
+        case XK_KP_0:
+        case XK_KP_Insert:
+            return k0_SkKey;
+        case XK_KP_1:
+        case XK_KP_End:
+            return k1_SkKey;
+        case XK_KP_2:
+        case XK_KP_Down:
+            return k2_SkKey;
+        case XK_KP_3:
+        case XK_KP_Page_Down:
+            return k3_SkKey;
+        case XK_KP_4:
+        case XK_KP_Left:
+            return k4_SkKey;
+        case XK_KP_5:
+            return k5_SkKey;
+        case XK_KP_6:
+        case XK_KP_Right:
+            return k6_SkKey;
+        case XK_KP_7:
+        case XK_KP_Home:
+            return k7_SkKey;
+        case XK_KP_8:
+        case XK_KP_Up:
+            return k8_SkKey;
+        case XK_KP_9:
+        case XK_KP_Page_Up:
+            return k9_SkKey;
         default:
             return kNONE_SkKey;
     }