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<div class="section" id="module-matplotlib.backend_managers">
<span id="matplotlib-backend-managers"></span><h1><a class="reference internal" href="#module-matplotlib.backend_managers" title="matplotlib.backend_managers"><code class="xref py py-mod docutils literal"><span class="pre">matplotlib.backend_managers</span></code></a><a class="headerlink" href="#module-matplotlib.backend_managers" title="Permalink to this headline">¶</a></h1>
<dl class="docutils">
<dt><a class="reference internal" href="#matplotlib.backend_managers.ToolManager" title="matplotlib.backend_managers.ToolManager"><code class="xref py py-obj docutils literal"><span class="pre">ToolManager</span></code></a></dt>
<dd>Class that makes the bridge between user interaction (key press,
toolbar clicks, ..) and the actions in response to the user inputs.</dd>
</dl>
<dl class="class">
<dt id="matplotlib.backend_managers.ToolEvent">
<em class="property">class </em><code class="descclassname">matplotlib.backend_managers.</code><code class="descname">ToolEvent</code><span class="sig-paren">(</span><em>name</em>, <em>sender</em>, <em>tool</em>, <em>data=None</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.backend_managers.ToolEvent" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <a class="reference external" href="https://docs.python.org/2/library/functions.html#object" title="(in Python v2.7)"><code class="xref py py-class docutils literal"><span class="pre">object</span></code></a></p>
<p>Event for tool manipulation (add/remove)</p>
</dd></dl>
<dl class="class">
<dt id="matplotlib.backend_managers.ToolManager">
<em class="property">class </em><code class="descclassname">matplotlib.backend_managers.</code><code class="descname">ToolManager</code><span class="sig-paren">(</span><em>figure=None</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.backend_managers.ToolManager" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <a class="reference external" href="https://docs.python.org/2/library/functions.html#object" title="(in Python v2.7)"><code class="xref py py-class docutils literal"><span class="pre">object</span></code></a></p>
<p>Helper class that groups all the user interactions for a FigureManager</p>
<p class="rubric">Attributes</p>
<table border="1" class="docutils">
<colgroup>
<col width="35%" />
<col width="65%" />
</colgroup>
<tbody valign="top">
<tr class="row-odd"><td><strong>manager: `FigureManager`</strong></td>
<td> </td>
</tr>
<tr class="row-even"><td><strong>keypresslock: `widgets.LockDraw`</strong></td>
<td><code class="xref py py-obj docutils literal"><span class="pre">LockDraw</span></code> object to know if the <a class="reference internal" href="#matplotlib.backend_managers.ToolManager.canvas" title="matplotlib.backend_managers.ToolManager.canvas"><code class="xref py py-obj docutils literal"><span class="pre">canvas</span></code></a> key_press_event is locked</td>
</tr>
<tr class="row-odd"><td><strong>messagelock: `widgets.LockDraw`</strong></td>
<td><code class="xref py py-obj docutils literal"><span class="pre">LockDraw</span></code> object to know if the message is available to write</td>
</tr>
</tbody>
</table>
<dl class="attribute">
<dt id="matplotlib.backend_managers.ToolManager.active_toggle">
<code class="descname">active_toggle</code><a class="headerlink" href="#matplotlib.backend_managers.ToolManager.active_toggle" title="Permalink to this definition">¶</a></dt>
<dd><p>Currently toggled tools</p>
</dd></dl>
<dl class="method">
<dt id="matplotlib.backend_managers.ToolManager.add_tool">
<code class="descname">add_tool</code><span class="sig-paren">(</span><em>name</em>, <em>tool</em>, <em>*args</em>, <em>**kwargs</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.backend_managers.ToolManager.add_tool" title="Permalink to this definition">¶</a></dt>
<dd><p>Add <em>tool</em> to <a class="reference internal" href="#matplotlib.backend_managers.ToolManager" title="matplotlib.backend_managers.ToolManager"><code class="xref py py-obj docutils literal"><span class="pre">ToolManager</span></code></a></p>
<p>If successful adds a new event <code class="xref py py-obj docutils literal"><span class="pre">tool_trigger_name</span></code> where <strong>name</strong> is
the <strong>name</strong> of the tool, this event is fired everytime
the tool is triggered.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><p class="first"><strong>name</strong> : str</p>
<blockquote>
<div><p>Name of the tool, treated as the ID, has to be unique</p>
</div></blockquote>
<p><strong>tool</strong> : class_like, i.e. str or type</p>
<blockquote class="last">
<div><p>Reference to find the class of the Tool to added.</p>
</div></blockquote>
</td>
</tr>
</tbody>
</table>
<div class="admonition seealso">
<p class="first admonition-title">See also</p>
<dl class="last docutils">
<dt><a class="reference internal" href="backend_tools_api.html#matplotlib.backend_tools.ToolBase" title="matplotlib.backend_tools.ToolBase"><code class="xref py py-obj docutils literal"><span class="pre">matplotlib.backend_tools.ToolBase</span></code></a></dt>
<dd>The base class for tools.</dd>
</dl>
</div>
<p class="rubric">Notes</p>
<p>args and kwargs get passed directly to the tools constructor.</p>
</dd></dl>
<dl class="attribute">
<dt id="matplotlib.backend_managers.ToolManager.canvas">
<code class="descname">canvas</code><a class="headerlink" href="#matplotlib.backend_managers.ToolManager.canvas" title="Permalink to this definition">¶</a></dt>
<dd><p>Canvas managed by FigureManager</p>
</dd></dl>
<dl class="attribute">
<dt id="matplotlib.backend_managers.ToolManager.figure">
<code class="descname">figure</code><a class="headerlink" href="#matplotlib.backend_managers.ToolManager.figure" title="Permalink to this definition">¶</a></dt>
<dd><p>Figure that holds the canvas</p>
</dd></dl>
<dl class="method">
<dt id="matplotlib.backend_managers.ToolManager.get_tool">
<code class="descname">get_tool</code><span class="sig-paren">(</span><em>name</em>, <em>warn=True</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.backend_managers.ToolManager.get_tool" title="Permalink to this definition">¶</a></dt>
<dd><p>Return the tool object, also accepts the actual tool for convenience</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><p class="first"><strong>name</strong> : str, ToolBase</p>
<blockquote>
<div><p>Name of the tool, or the tool itself</p>
</div></blockquote>
<p><strong>warn</strong> : bool, optional</p>
<blockquote class="last">
<div><p>If this method should give warnings.</p>
</div></blockquote>
</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="method">
<dt id="matplotlib.backend_managers.ToolManager.get_tool_keymap">
<code class="descname">get_tool_keymap</code><span class="sig-paren">(</span><em>name</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.backend_managers.ToolManager.get_tool_keymap" title="Permalink to this definition">¶</a></dt>
<dd><p>Get the keymap associated with the specified tool</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><p class="first"><strong>name</strong> : string</p>
<blockquote>
<div><p>Name of the Tool</p>
</div></blockquote>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last"><strong>list</strong> : list of keys associated with the Tool</p>
</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="method">
<dt id="matplotlib.backend_managers.ToolManager.message_event">
<code class="descname">message_event</code><span class="sig-paren">(</span><em>message</em>, <em>sender=None</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.backend_managers.ToolManager.message_event" title="Permalink to this definition">¶</a></dt>
<dd><p>Emit a <a class="reference internal" href="#matplotlib.backend_managers.ToolManagerMessageEvent" title="matplotlib.backend_managers.ToolManagerMessageEvent"><code class="xref py py-obj docutils literal"><span class="pre">ToolManagerMessageEvent</span></code></a></p>
</dd></dl>
<dl class="method">
<dt id="matplotlib.backend_managers.ToolManager.remove_tool">
<code class="descname">remove_tool</code><span class="sig-paren">(</span><em>name</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.backend_managers.ToolManager.remove_tool" title="Permalink to this definition">¶</a></dt>
<dd><p>Remove tool from <a class="reference internal" href="#matplotlib.backend_managers.ToolManager" title="matplotlib.backend_managers.ToolManager"><code class="xref py py-obj docutils literal"><span class="pre">ToolManager</span></code></a></p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><p class="first"><strong>name</strong> : string</p>
<blockquote class="last">
<div><p>Name of the Tool</p>
</div></blockquote>
</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="method">
<dt id="matplotlib.backend_managers.ToolManager.set_figure">
<code class="descname">set_figure</code><span class="sig-paren">(</span><em>figure</em>, <em>update_tools=True</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.backend_managers.ToolManager.set_figure" title="Permalink to this definition">¶</a></dt>
<dd><p>Sets the figure to interact with the tools</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><p class="first"><strong>figure: `Figure`</strong></p>
<p><strong>update_tools: bool</strong></p>
<blockquote class="last">
<div><p>Force tools to update figure</p>
</div></blockquote>
</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="method">
<dt id="matplotlib.backend_managers.ToolManager.toolmanager_connect">
<code class="descname">toolmanager_connect</code><span class="sig-paren">(</span><em>s</em>, <em>func</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.backend_managers.ToolManager.toolmanager_connect" title="Permalink to this definition">¶</a></dt>
<dd><p>Connect event with string <em>s</em> to <em>func</em>.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><p class="first"><strong>s</strong> : String</p>
<blockquote>
<div><p>Name of the event</p>
<p>The following events are recognized</p>
<ul class="simple">
<li>‘tool_message_event’</li>
<li>‘tool_removed_event’</li>
<li>‘tool_added_event’</li>
</ul>
<p>For every tool added a new event is created</p>
<ul class="simple">
<li>‘tool_trigger_TOOLNAME`
Where TOOLNAME is the id of the tool.</li>
</ul>
</div></blockquote>
<p><strong>func</strong> : function</p>
<blockquote class="last">
<div><p>Function to be called with signature
def func(event)</p>
</div></blockquote>
</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="method">
<dt id="matplotlib.backend_managers.ToolManager.toolmanager_disconnect">
<code class="descname">toolmanager_disconnect</code><span class="sig-paren">(</span><em>cid</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.backend_managers.ToolManager.toolmanager_disconnect" title="Permalink to this definition">¶</a></dt>
<dd><p>Disconnect callback id <em>cid</em></p>
<p>Example usage:</p>
<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">cid</span> <span class="o">=</span> <span class="n">toolmanager</span><span class="o">.</span><span class="n">toolmanager_connect</span><span class="p">(</span><span class="s1">'tool_trigger_zoom'</span><span class="p">,</span>
<span class="n">on_press</span><span class="p">)</span>
<span class="c1">#...later</span>
<span class="n">toolmanager</span><span class="o">.</span><span class="n">toolmanager_disconnect</span><span class="p">(</span><span class="n">cid</span><span class="p">)</span>
</pre></div>
</div>
</dd></dl>
<dl class="attribute">
<dt id="matplotlib.backend_managers.ToolManager.tools">
<code class="descname">tools</code><a class="headerlink" href="#matplotlib.backend_managers.ToolManager.tools" title="Permalink to this definition">¶</a></dt>
<dd><p>Return the tools controlled by <a class="reference internal" href="#matplotlib.backend_managers.ToolManager" title="matplotlib.backend_managers.ToolManager"><code class="xref py py-obj docutils literal"><span class="pre">ToolManager</span></code></a></p>
</dd></dl>
<dl class="method">
<dt id="matplotlib.backend_managers.ToolManager.trigger_tool">
<code class="descname">trigger_tool</code><span class="sig-paren">(</span><em>name</em>, <em>sender=None</em>, <em>canvasevent=None</em>, <em>data=None</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.backend_managers.ToolManager.trigger_tool" title="Permalink to this definition">¶</a></dt>
<dd><p>Trigger a tool and emit the tool_trigger_[name] event</p>
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<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><p class="first"><strong>name</strong> : string</p>
<blockquote>
<div><p>Name of the tool</p>
</div></blockquote>
<p><strong>sender: object</strong></p>
<blockquote>
<div><p>Object that wishes to trigger the tool</p>
</div></blockquote>
<p><strong>canvasevent</strong> : Event</p>
<blockquote>
<div><p>Original Canvas event or None</p>
</div></blockquote>
<p><strong>data</strong> : Object</p>
<blockquote class="last">
<div><p>Extra data to pass to the tool when triggering</p>
</div></blockquote>
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</dd></dl>
<dl class="method">
<dt id="matplotlib.backend_managers.ToolManager.update_keymap">
<code class="descname">update_keymap</code><span class="sig-paren">(</span><em>name</em>, <em>*keys</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.backend_managers.ToolManager.update_keymap" title="Permalink to this definition">¶</a></dt>
<dd><p>Set the keymap to associate with the specified tool</p>
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<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><p class="first"><strong>name</strong> : string</p>
<blockquote>
<div><p>Name of the Tool</p>
</div></blockquote>
<p class="last"><strong>keys</strong> : keys to associate with the Tool</p>
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</dd></dl>
</dd></dl>
<dl class="class">
<dt id="matplotlib.backend_managers.ToolManagerMessageEvent">
<em class="property">class </em><code class="descclassname">matplotlib.backend_managers.</code><code class="descname">ToolManagerMessageEvent</code><span class="sig-paren">(</span><em>name</em>, <em>sender</em>, <em>message</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.backend_managers.ToolManagerMessageEvent" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <a class="reference external" href="https://docs.python.org/2/library/functions.html#object" title="(in Python v2.7)"><code class="xref py py-class docutils literal"><span class="pre">object</span></code></a></p>
<p>Event carrying messages from toolmanager</p>
<p>Messages usually get displayed to the user by the toolbar</p>
</dd></dl>
<dl class="class">
<dt id="matplotlib.backend_managers.ToolTriggerEvent">
<em class="property">class </em><code class="descclassname">matplotlib.backend_managers.</code><code class="descname">ToolTriggerEvent</code><span class="sig-paren">(</span><em>name</em>, <em>sender</em>, <em>tool</em>, <em>canvasevent=None</em>, <em>data=None</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.backend_managers.ToolTriggerEvent" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <a class="reference internal" href="#matplotlib.backend_managers.ToolEvent" title="matplotlib.backend_managers.ToolEvent"><code class="xref py py-class docutils literal"><span class="pre">matplotlib.backend_managers.ToolEvent</span></code></a></p>
<p>Event to inform that a tool has been triggered</p>
</dd></dl>
</div>
</div>
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