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2006-Dec-30 16:50 UTC

[Wxruby-development] [812] trunk/wxsugar/lib/wx_sugar/wx_classes/window.rb: Added find_window and descendants methods

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<title>[812] trunk/wxsugar/lib/wx_sugar/wx_classes/window.rb: Added
find_window and descendants methods</title>
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<div id="msg">
<dl>
<dt>Revision</dt> <dd>812</dd>
<dt>Author</dt> <dd>brokentoy</dd>
<dt>Date</dt> <dd>2006-12-30 11:50:02 -0500 (Sat, 30 Dec
2006)</dd>
</dl>

<h3>Log Message</h3>
<pre>Added find_window and descendants methods</pre>

<h3>Modified Paths</h3>
<ul>
<li><a
href="#trunkwxsugarlibwx_sugarwx_classeswindowrb">trunk/wxsugar/lib/wx_sugar/wx_classes/window.rb</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkwxsugarlibwx_sugarwx_classeswindowrb"></a>
<div class="modfile"><h4>Modified:
trunk/wxsugar/lib/wx_sugar/wx_classes/window.rb (811 => 812)</h4>
<pre class="diff"><span>
<span class="info">---
trunk/wxsugar/lib/wx_sugar/wx_classes/window.rb&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp2006-12-30
16:14:22 UTC (rev 811)
+++
trunk/wxsugar/lib/wx_sugar/wx_classes/window.rb&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp2006-12-30
16:50:02 UTC (rev 812)
</span><span class="lines">@@ -1,5 +1,26 @@
</span><span class="cx"> # extensions to Wx::Window
</span><span class="cx"> class Wx::Window
</span><ins>+  # Returns an array containing this window and all
windows descended
+  # from it.
+  def get_descendants
+    get_children.inject([ self ]) do | desc, child |
+      desc + child.get_descendants
+    end
+  end
+
+  # Passed a block, returns the first window within self''s window
+  # hierarchy for which the block evaluates to true. A class name may
+  # optionally be passed to restrict the search to windows of that class
+  # (or its subclasses) only - this can be useful if the search
+  # specification calls methods that are only defined for certain
+  # classes.
+  #
+  #  # Example - find a StaticText with a label matching /foo/
+  #  a_frame.find_window(Wx::StaticText) { | tx | tx.label =~ /foo/ }
+  def find_window(a_class = Wx::Window, &block)
+    descendants.grep(a_class).detect(&block)
+  end
+
</ins><span class="cx">   # Returns the window''s
current size as a two element array
</span><span class="cx">   def get_size_xy
</span><span class="cx">     size = get_size
</span></span></pre>
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