<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>user_interfaces example code: mpl_with_glade.py — Matplotlib v1.1.1 documentation</title> <link rel="stylesheet" href="../../_static/mpl.css" type="text/css" /> <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" /> <script type="text/javascript"> var DOCUMENTATION_OPTIONS = { URL_ROOT: '../../', VERSION: '1.1.1', COLLAPSE_INDEX: false, FILE_SUFFIX: '.html', HAS_SOURCE: true }; </script> <script type="text/javascript" src="../../_static/jquery.js"></script> <script type="text/javascript" src="../../_static/underscore.js"></script> <script type="text/javascript" src="../../_static/doctools.js"></script> <link rel="search" type="application/opensearchdescription+xml" title="Search within Matplotlib v1.1.1 documentation" href="../../_static/opensearch.xml"/> <link rel="top" title="Matplotlib v1.1.1 documentation" href="../../index.html" /> </head> <body> <!-- Piwik --> <script type="text/javascript"> if ("matplotlib.sourceforge.net" == document.location.hostname || "matplotlib.sf.net" == document.location.hostname) { var pkBaseURL = (("https:" == document.location.protocol) ? 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<input type="hidden" name="area" value="default" /> </form> <p class="searchtip" style="font-size: 90%"> Enter search terms or a module, class or function name. </p> </div> <script type="text/javascript">$('#searchbox').show(0);</script> </div> </div> <div class="document"> <div class="documentwrapper"> <div class="bodywrapper"> <div class="body"> <div class="section" id="user-interfaces-example-code-mpl-with-glade-py"> <span id="user-interfaces-mpl-with-glade"></span><h1>user_interfaces example code: mpl_with_glade.py<a class="headerlink" href="#user-interfaces-example-code-mpl-with-glade-py" title="Permalink to this headline">ΒΆ</a></h1> <p>[<a class="reference external" href="mpl_with_glade.py">source code</a>]</p> <div class="highlight-python"><div class="highlight"><pre><span class="c">#!/usr/bin/env python</span> <span class="kn">import</span> <span class="nn">matplotlib</span> <span class="n">matplotlib</span><span class="o">.</span><span class="n">use</span><span class="p">(</span><span class="s">'GTK'</span><span class="p">)</span> <span class="kn">from</span> <span class="nn">matplotlib.figure</span> <span class="kn">import</span> <span class="n">Figure</span> <span class="kn">from</span> <span class="nn">matplotlib.axes</span> <span class="kn">import</span> <span class="n">Subplot</span> <span class="kn">from</span> <span class="nn">matplotlib.backends.backend_gtkagg</span> <span class="kn">import</span> <span class="n">FigureCanvasGTKAgg</span> <span class="k">as</span> <span class="n">FigureCanvas</span> <span class="kn">from</span> <span class="nn">matplotlib.backends.backend_gtkagg</span> <span class="kn">import</span> <span class="n">NavigationToolbar2GTKAgg</span> <span class="k">as</span> <span class="n">NavigationToolbar</span> <span class="kn">from</span> <span class="nn">matplotlib.widgets</span> <span class="kn">import</span> <span class="n">SpanSelector</span> <span class="kn">from</span> <span class="nn">numpy</span> <span class="kn">import</span> <span class="n">arange</span><span class="p">,</span> <span class="n">sin</span><span class="p">,</span> <span class="n">pi</span> <span class="kn">import</span> <span class="nn">gtk</span> <span class="kn">import</span> <span class="nn">gtk.glade</span> <span class="k">def</span> <span class="nf">simple_msg</span><span class="p">(</span><span class="n">msg</span><span class="p">,</span> <span class="n">parent</span><span class="o">=</span><span class="bp">None</span><span class="p">,</span> <span class="n">title</span><span class="o">=</span><span class="bp">None</span><span class="p">):</span> <span class="n">dialog</span> <span class="o">=</span> <span class="n">gtk</span><span class="o">.</span><span class="n">MessageDialog</span><span class="p">(</span> <span class="n">parent</span> <span class="o">=</span> <span class="bp">None</span><span class="p">,</span> <span class="nb">type</span> <span class="o">=</span> <span class="n">gtk</span><span class="o">.</span><span class="n">MESSAGE_INFO</span><span class="p">,</span> <span class="n">buttons</span> <span class="o">=</span> <span class="n">gtk</span><span class="o">.</span><span class="n">BUTTONS_OK</span><span class="p">,</span> <span class="n">message_format</span> <span class="o">=</span> <span class="n">msg</span><span class="p">)</span> <span class="k">if</span> <span class="n">parent</span> <span class="ow">is</span> <span class="ow">not</span> <span class="bp">None</span><span class="p">:</span> <span class="n">dialog</span><span class="o">.</span><span class="n">set_transient_for</span><span class="p">(</span><span class="n">parent</span><span class="p">)</span> <span class="k">if</span> <span class="n">title</span> <span class="ow">is</span> <span class="ow">not</span> <span class="bp">None</span><span class="p">:</span> <span class="n">dialog</span><span class="o">.</span><span class="n">set_title</span><span class="p">(</span><span class="n">title</span><span class="p">)</span> <span class="n">dialog</span><span class="o">.</span><span class="n">show</span><span class="p">()</span> <span class="n">dialog</span><span class="o">.</span><span class="n">run</span><span class="p">()</span> <span class="n">dialog</span><span class="o">.</span><span class="n">destroy</span><span class="p">()</span> <span class="k">return</span> <span class="bp">None</span> <span class="k">class</span> <span class="nc">GladeHandlers</span><span class="p">:</span> <span class="k">def</span> <span class="nf">on_buttonClickMe_clicked</span><span class="p">(</span><span class="n">event</span><span class="p">):</span> <span class="n">simple_msg</span><span class="p">(</span><span class="s">'Nothing to say, really'</span><span class="p">,</span> <span class="n">parent</span><span class="o">=</span><span class="n">widgets</span><span class="p">[</span><span class="s">'windowMain'</span><span class="p">],</span> <span class="n">title</span><span class="o">=</span><span class="s">'Thanks!'</span><span class="p">)</span> <span class="k">class</span> <span class="nc">WidgetsWrapper</span><span class="p">:</span> <span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> <span class="bp">self</span><span class="o">.</span><span class="n">widgets</span> <span class="o">=</span> <span class="n">gtk</span><span class="o">.</span><span class="n">glade</span><span class="o">.</span><span class="n">XML</span><span class="p">(</span><span class="s">'mpl_with_glade.glade'</span><span class="p">)</span> <span class="bp">self</span><span class="o">.</span><span class="n">widgets</span><span class="o">.</span><span class="n">signal_autoconnect</span><span class="p">(</span><span class="n">GladeHandlers</span><span class="o">.</span><span class="n">__dict__</span><span class="p">)</span> <span class="bp">self</span><span class="p">[</span><span class="s">'windowMain'</span><span class="p">]</span><span class="o">.</span><span class="n">connect</span><span class="p">(</span><span class="s">'destroy'</span><span class="p">,</span> <span class="k">lambda</span> <span class="n">x</span><span class="p">:</span> <span class="n">gtk</span><span class="o">.</span><span class="n">main_quit</span><span class="p">())</span> <span class="bp">self</span><span class="p">[</span><span class="s">'windowMain'</span><span class="p">]</span><span class="o">.</span><span class="n">move</span><span class="p">(</span><span class="mi">10</span><span class="p">,</span><span class="mi">10</span><span class="p">)</span> <span class="bp">self</span><span class="o">.</span><span class="n">figure</span> <span class="o">=</span> <span class="n">Figure</span><span class="p">(</span><span class="n">figsize</span><span class="o">=</span><span class="p">(</span><span class="mi">8</span><span class="p">,</span><span class="mi">6</span><span class="p">),</span> <span class="n">dpi</span><span class="o">=</span><span class="mi">72</span><span class="p">)</span> <span class="bp">self</span><span class="o">.</span><span class="n">axis</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">figure</span><span class="o">.</span><span class="n">add_subplot</span><span class="p">(</span><span class="mi">111</span><span class="p">)</span> <span class="n">t</span> <span class="o">=</span> <span class="n">arange</span><span class="p">(</span><span class="mf">0.0</span><span class="p">,</span><span class="mf">3.0</span><span class="p">,</span><span class="mf">0.01</span><span class="p">)</span> <span class="n">s</span> <span class="o">=</span> <span class="n">sin</span><span class="p">(</span><span class="mi">2</span><span class="o">*</span><span class="n">pi</span><span class="o">*</span><span class="n">t</span><span class="p">)</span> <span class="bp">self</span><span class="o">.</span><span class="n">axis</span><span class="o">.</span><span class="n">plot</span><span class="p">(</span><span class="n">t</span><span class="p">,</span><span class="n">s</span><span class="p">)</span> <span class="bp">self</span><span class="o">.</span><span class="n">axis</span><span class="o">.</span><span class="n">set_xlabel</span><span class="p">(</span><span class="s">'time (s)'</span><span class="p">)</span> <span class="bp">self</span><span class="o">.</span><span class="n">axis</span><span class="o">.</span><span class="n">set_ylabel</span><span class="p">(</span><span class="s">'voltage'</span><span class="p">)</span> <span class="bp">self</span><span class="o">.</span><span class="n">canvas</span> <span class="o">=</span> <span class="n">FigureCanvas</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">figure</span><span class="p">)</span> <span class="c"># a gtk.DrawingArea</span> <span class="bp">self</span><span class="o">.</span><span class="n">canvas</span><span class="o">.</span><span class="n">show</span><span class="p">()</span> <span class="bp">self</span><span class="o">.</span><span class="n">canvas</span><span class="o">.</span><span class="n">set_size_request</span><span class="p">(</span><span class="mi">600</span><span class="p">,</span> <span class="mi">400</span><span class="p">)</span> <span class="bp">self</span><span class="o">.</span><span class="n">canvas</span><span class="o">.</span><span class="n">set_events</span><span class="p">(</span> <span class="n">gtk</span><span class="o">.</span><span class="n">gdk</span><span class="o">.</span><span class="n">BUTTON_PRESS_MASK</span> <span class="o">|</span> <span class="n">gtk</span><span class="o">.</span><span class="n">gdk</span><span class="o">.</span><span class="n">KEY_PRESS_MASK</span> <span class="o">|</span> <span class="n">gtk</span><span class="o">.</span><span class="n">gdk</span><span class="o">.</span><span class="n">KEY_RELEASE_MASK</span> <span class="p">)</span> <span class="bp">self</span><span class="o">.</span><span class="n">canvas</span><span class="o">.</span><span class="n">set_flags</span><span class="p">(</span><span class="n">gtk</span><span class="o">.</span><span class="n">HAS_FOCUS</span><span class="o">|</span><span class="n">gtk</span><span class="o">.</span><span class="n">CAN_FOCUS</span><span class="p">)</span> <span class="bp">self</span><span class="o">.</span><span class="n">canvas</span><span class="o">.</span><span class="n">grab_focus</span><span class="p">()</span> <span class="k">def</span> <span class="nf">keypress</span><span class="p">(</span><span class="n">widget</span><span class="p">,</span> <span class="n">event</span><span class="p">):</span> <span class="k">print</span> <span class="s">'key press'</span> <span class="k">def</span> <span class="nf">buttonpress</span><span class="p">(</span><span class="n">widget</span><span class="p">,</span> <span class="n">event</span><span class="p">):</span> <span class="k">print</span> <span class="s">'button press'</span> <span class="bp">self</span><span class="o">.</span><span class="n">canvas</span><span class="o">.</span><span class="n">connect</span><span class="p">(</span><span class="s">'key_press_event'</span><span class="p">,</span> <span class="n">keypress</span><span class="p">)</span> <span class="bp">self</span><span class="o">.</span><span class="n">canvas</span><span class="o">.</span><span class="n">connect</span><span class="p">(</span><span class="s">'button_press_event'</span><span class="p">,</span> <span class="n">buttonpress</span><span class="p">)</span> <span class="k">def</span> <span class="nf">onselect</span><span class="p">(</span><span class="n">xmin</span><span class="p">,</span> <span class="n">xmax</span><span class="p">):</span> <span class="k">print</span> <span class="n">xmin</span><span class="p">,</span> <span class="n">xmax</span> <span class="n">span</span> <span class="o">=</span> <span class="n">SpanSelector</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">axis</span><span class="p">,</span> <span class="n">onselect</span><span class="p">,</span> <span class="s">'horizontal'</span><span class="p">,</span> <span class="n">useblit</span><span class="o">=</span><span class="bp">False</span><span class="p">,</span> <span class="n">rectprops</span><span class="o">=</span><span class="nb">dict</span><span class="p">(</span><span class="n">alpha</span><span class="o">=</span><span class="mf">0.5</span><span class="p">,</span> <span class="n">facecolor</span><span class="o">=</span><span class="s">'red'</span><span class="p">)</span> <span class="p">)</span> <span class="bp">self</span><span class="p">[</span><span class="s">'vboxMain'</span><span class="p">]</span><span class="o">.</span><span class="n">pack_start</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">canvas</span><span class="p">,</span> <span class="bp">True</span><span class="p">,</span> <span class="bp">True</span><span class="p">)</span> <span class="bp">self</span><span class="p">[</span><span class="s">'vboxMain'</span><span class="p">]</span><span class="o">.</span><span class="n">show</span><span class="p">()</span> <span class="c"># below is optional if you want the navigation toolbar</span> <span class="bp">self</span><span class="o">.</span><span class="n">navToolbar</span> <span class="o">=</span> <span class="n">NavigationToolbar</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">canvas</span><span class="p">,</span> <span class="bp">self</span><span class="p">[</span><span class="s">'windowMain'</span><span class="p">])</span> <span class="bp">self</span><span class="o">.</span><span class="n">navToolbar</span><span class="o">.</span><span class="n">lastDir</span> <span class="o">=</span> <span class="s">'/var/tmp/'</span> <span class="bp">self</span><span class="p">[</span><span class="s">'vboxMain'</span><span class="p">]</span><span class="o">.</span><span class="n">pack_start</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">navToolbar</span><span class="p">)</span> <span class="bp">self</span><span class="o">.</span><span class="n">navToolbar</span><span class="o">.</span><span class="n">show</span><span class="p">()</span> <span class="n">sep</span> <span class="o">=</span> <span class="n">gtk</span><span class="o">.</span><span class="n">HSeparator</span><span class="p">()</span> <span class="n">sep</span><span class="o">.</span><span class="n">show</span><span class="p">()</span> <span class="bp">self</span><span class="p">[</span><span class="s">'vboxMain'</span><span class="p">]</span><span class="o">.</span><span class="n">pack_start</span><span class="p">(</span><span class="n">sep</span><span class="p">,</span> <span class="bp">True</span><span class="p">,</span> <span class="bp">True</span><span class="p">)</span> <span class="bp">self</span><span class="p">[</span><span class="s">'vboxMain'</span><span class="p">]</span><span class="o">.</span><span class="n">reorder_child</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s">'buttonClickMe'</span><span class="p">],</span><span class="o">-</span><span class="mi">1</span><span class="p">)</span> <span class="k">def</span> <span class="nf">__getitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">):</span> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">widgets</span><span class="o">.</span><span class="n">get_widget</span><span class="p">(</span><span class="n">key</span><span class="p">)</span> <span class="n">widgets</span> <span class="o">=</span> <span class="n">WidgetsWrapper</span><span class="p">()</span> <span class="n">gtk</span><span class="o">.</span><span class="n">main</span><span class="p">()</span> </pre></div> </div> <p>Keywords: python, matplotlib, pylab, example, codex (see <a class="reference internal" href="../../faq/howto_faq.html#how-to-search-examples"><em>Search examples</em></a>)</p> </div> </div> </div> </div> <div class="clearer"></div> </div> <div class="related"> <h3>Navigation</h3> <ul> <li class="right" style="margin-right: 10px"> <a href="../../genindex.html" title="General Index" >index</a></li> <li class="right" > <a href="../../py-modindex.html" title="Python Module Index" >modules</a> |</li> <li><a href="../../index.html">home</a>| </li> <li><a href="../../search.html">search</a>| </li> <li><a href="../index.html">examples</a>| </li> <li><a href="../../gallery.html">gallery</a>| </li> <li><a href="../../contents.html">docs</a> »</li> </ul> </div> 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