M000116.html in rumai-2.0.0

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-  <title>chain (Rumai::Client)</title>
+  <title>focus (Rumai::Client)</title>
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-  <pre><span class="ruby-comment cmt"># File lib/rumai/wm.rb, line 167</span>
-      <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">chain</span>
-        <span class="ruby-constant">View</span>.<span class="ruby-identifier">curr</span>.<span class="ruby-identifier">clients</span>
-      <span class="ruby-keyword kw">end</span></pre>
+  <pre><span class="ruby-comment cmt"># File lib/rumai/wm.rb, line 178</span>
+    <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">focus</span> <span class="ruby-identifier">aView</span> = <span class="ruby-keyword kw">nil</span>
+      <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">exist?</span> <span class="ruby-keyword kw">and</span> <span class="ruby-keyword kw">not</span> <span class="ruby-identifier">focus?</span>
+        (<span class="ruby-identifier">aView</span> <span class="ruby-value">? </span>[<span class="ruby-identifier">aView</span>] <span class="ruby-operator">:</span> <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">views</span>).<span class="ruby-identifier">each</span> <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">v</span><span class="ruby-operator">|</span>
+          <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">a</span> = <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">area</span>(<span class="ruby-identifier">v</span>) <span class="ruby-keyword kw">and</span> <span class="ruby-identifier">a</span>.<span class="ruby-identifier">exist?</span>
+            <span class="ruby-identifier">v</span>.<span class="ruby-identifier">focus</span>
+            <span class="ruby-identifier">a</span>.<span class="ruby-identifier">focus</span>
+
+            <span class="ruby-comment cmt"># slide focus from the current client onto this client</span>
+            <span class="ruby-identifier">arr</span> = <span class="ruby-identifier">a</span>.<span class="ruby-identifier">client_ids</span>
+            <span class="ruby-identifier">src</span> = <span class="ruby-identifier">arr</span>.<span class="ruby-identifier">index</span> <span class="ruby-constant">Client</span>.<span class="ruby-identifier">curr</span>.<span class="ruby-identifier">id</span>
+            <span class="ruby-identifier">dst</span> = <span class="ruby-identifier">arr</span>.<span class="ruby-identifier">index</span> <span class="ruby-ivar">@id</span>
+
+            <span class="ruby-identifier">distance</span> = (<span class="ruby-identifier">src</span> <span class="ruby-operator">-</span> <span class="ruby-identifier">dst</span>).<span class="ruby-identifier">abs</span>
+            <span class="ruby-identifier">direction</span> = <span class="ruby-identifier">src</span> <span class="ruby-operator">&lt;</span> <span class="ruby-identifier">dst</span> <span class="ruby-value">? </span><span class="ruby-operator">:</span><span class="ruby-identifier">down</span> <span class="ruby-operator">:</span> <span class="ruby-identifier">:up</span>
+
+            <span class="ruby-identifier">distance</span>.<span class="ruby-identifier">times</span> <span class="ruby-keyword kw">do</span>
+              <span class="ruby-identifier">v</span>.<span class="ruby-identifier">ctl</span>.<span class="ruby-identifier">write</span> <span class="ruby-node">&quot;select #{direction}&quot;</span>
+            <span class="ruby-keyword kw">end</span>
+
+            <span class="ruby-keyword kw">break</span>
+          <span class="ruby-keyword kw">end</span>
+        <span class="ruby-keyword kw">end</span>
+      <span class="ruby-keyword kw">end</span>
+    <span class="ruby-keyword kw">end</span></pre>
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