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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="generator" content="pdoc 14.6.1"/>
<title>Node API documentation</title>
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Module Index
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<h2>API Documentation</h2>
<ul class="memberlist">
<li>
<a class="class" href="#Node">Node</a>
<ul class="memberlist">
<li>
<a class="function" href="#Node.__init__">Node</a>
</li>
<li>
<a class="function" href="#Node.data">data</a>
</li>
<li>
<a class="variable" href="#Node.rect">rect</a>
</li>
<li>
<a class="variable" href="#Node.resizeHandleSize">resizeHandleSize</a>
</li>
<li>
<a class="variable" href="#Node.resizing">resizing</a>
</li>
<li>
<a class="variable" href="#Node.resizeDirection">resizeDirection</a>
</li>
<li>
<a class="variable" href="#Node.content">content</a>
</li>
<li>
<a class="variable" href="#Node.input_port">input_port</a>
</li>
<li>
<a class="variable" href="#Node.output_port">output_port</a>
</li>
<li>
<a class="variable" href="#Node.hovered">hovered</a>
</li>
<li>
<a class="function" href="#Node.setWidth">setWidth</a>
</li>
<li>
<a class="function" href="#Node.setHeight">setHeight</a>
</li>
<li>
<a class="function" href="#Node.boundingRect">boundingRect</a>
</li>
<li>
<a class="function" href="#Node.paint">paint</a>
</li>
<li>
<a class="function" href="#Node.itemChange">itemChange</a>
</li>
<li>
<a class="function" href="#Node.mousePressEvent">mousePressEvent</a>
</li>
<li>
<a class="function" href="#Node.mouseMoveEvent">mouseMoveEvent</a>
</li>
<li>
<a class="function" href="#Node.mouseReleaseEvent">mouseReleaseEvent</a>
</li>
<li>
<a class="function" href="#Node.remove_node">remove_node</a>
</li>
<li>
<a class="function" href="#Node.hoverEnterEvent">hoverEnterEvent</a>
</li>
<li>
<a class="function" href="#Node.hoverLeaveEvent">hoverLeaveEvent</a>
</li>
</ul>
</li>
<li>
<a class="class" href="#Port">Port</a>
<ul class="memberlist">
<li>
<a class="function" href="#Port.__init__">Port</a>
</li>
<li>
<a class="variable" href="#Port.port_type">port_type</a>
</li>
<li>
<a class="variable" href="#Port.edges">edges</a>
</li>
<li>
<a class="function" href="#Port.mousePressEvent">mousePressEvent</a>
</li>
<li>
<a class="function" href="#Port.mouseMoveEvent">mouseMoveEvent</a>
</li>
<li>
<a class="function" href="#Port.mouseReleaseEvent">mouseReleaseEvent</a>
</li>
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</li>
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<h1 class="modulename">
Node </h1>
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<div class="pdoc-code codehilite"><pre><span></span><span id="L-1"><a href="#L-1"><span class="linenos"> 1</span></a><span class="c1"># Node.py</span>
</span><span id="L-2"><a href="#L-2"><span class="linenos"> 2</span></a>
</span><span id="L-3"><a href="#L-3"><span class="linenos"> 3</span></a><span class="kn">from</span> <span class="nn">PySide6.QtWidgets</span> <span class="kn">import</span> <span class="n">QGraphicsItem</span><span class="p">,</span> <span class="n">QGraphicsEllipseItem</span>
</span><span id="L-4"><a href="#L-4"><span class="linenos"> 4</span></a><span class="kn">from</span> <span class="nn">PySide6.QtCore</span> <span class="kn">import</span> <span class="n">QRectF</span><span class="p">,</span> <span class="n">Qt</span><span class="p">,</span> <span class="n">QPointF</span>
</span><span id="L-5"><a href="#L-5"><span class="linenos"> 5</span></a><span class="kn">from</span> <span class="nn">PySide6.QtGui</span> <span class="kn">import</span> <span class="n">QPainter</span><span class="p">,</span> <span class="n">QPen</span><span class="p">,</span> <span class="n">QBrush</span>
</span><span id="L-6"><a href="#L-6"><span class="linenos"> 6</span></a><span class="kn">from</span> <span class="nn">Edge</span> <span class="kn">import</span> <span class="n">Edge</span>
</span><span id="L-7"><a href="#L-7"><span class="linenos"> 7</span></a><span class="kn">from</span> <span class="nn">NodeData</span> <span class="kn">import</span> <span class="n">NodeData</span>
</span><span id="L-8"><a href="#L-8"><span class="linenos"> 8</span></a><span class="kn">from</span> <span class="nn">NodeLayout</span> <span class="kn">import</span> <span class="n">NodeLayout</span>
</span><span id="L-9"><a href="#L-9"><span class="linenos"> 9</span></a>
</span><span id="L-10"><a href="#L-10"><span class="linenos"> 10</span></a><span class="k">class</span> <span class="nc">Node</span><span class="p">(</span><span class="n">QGraphicsItem</span><span class="p">):</span>
</span><span id="L-11"><a href="#L-11"><span class="linenos"> 11</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">node_data</span><span class="p">:</span> <span class="n">NodeData</span><span class="p">):</span>
</span><span id="L-12"><a href="#L-12"><span class="linenos"> 12</span></a> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">()</span>
</span><span id="L-13"><a href="#L-13"><span class="linenos"> 13</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">data</span> <span class="o">=</span> <span class="n">node_data</span>
</span><span id="L-14"><a href="#L-14"><span class="linenos"> 14</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">setFlag</span><span class="p">(</span><span class="n">QGraphicsItem</span><span class="o">.</span><span class="n">ItemIsMovable</span><span class="p">)</span>
</span><span id="L-15"><a href="#L-15"><span class="linenos"> 15</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">setFlag</span><span class="p">(</span><span class="n">QGraphicsItem</span><span class="o">.</span><span class="n">ItemIsSelectable</span><span class="p">)</span>
</span><span id="L-16"><a href="#L-16"><span class="linenos"> 16</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">setFlag</span><span class="p">(</span><span class="n">QGraphicsItem</span><span class="o">.</span><span class="n">ItemSendsGeometryChanges</span><span class="p">)</span>
</span><span id="L-17"><a href="#L-17"><span class="linenos"> 17</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">rect</span> <span class="o">=</span> <span class="n">QRectF</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">width</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">height</span><span class="p">)</span>
</span><span id="L-18"><a href="#L-18"><span class="linenos"> 18</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">resizeHandleSize</span> <span class="o">=</span> <span class="mi">10</span>
</span><span id="L-19"><a href="#L-19"><span class="linenos"> 19</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">resizing</span> <span class="o">=</span> <span class="kc">False</span>
</span><span id="L-20"><a href="#L-20"><span class="linenos"> 20</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">resizeDirection</span> <span class="o">=</span> <span class="kc">None</span>
</span><span id="L-21"><a href="#L-21"><span class="linenos"> 21</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">content</span> <span class="o">=</span> <span class="n">NodeLayout</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
</span><span id="L-22"><a href="#L-22"><span class="linenos"> 22</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">input_port</span> <span class="o">=</span> <span class="n">Port</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">QPointF</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="mi">25</span><span class="p">),</span> <span class="s2">"input"</span><span class="p">)</span>
</span><span id="L-23"><a href="#L-23"><span class="linenos"> 23</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">output_port</span> <span class="o">=</span> <span class="n">Port</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">QPointF</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">rect</span><span class="o">.</span><span class="n">width</span><span class="p">(),</span> <span class="mi">25</span><span class="p">),</span> <span class="s2">"output"</span><span class="p">)</span>
</span><span id="L-24"><a href="#L-24"><span class="linenos"> 24</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">setPos</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">pos_x</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">pos_y</span><span class="p">)</span> <span class="c1"># Set initial position from NodeData</span>
</span><span id="L-25"><a href="#L-25"><span class="linenos"> 25</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">setAcceptHoverEvents</span><span class="p">(</span><span class="kc">True</span><span class="p">)</span>
</span><span id="L-26"><a href="#L-26"><span class="linenos"> 26</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">hovered</span> <span class="o">=</span> <span class="kc">False</span> <span class="c1"># Track hover state</span>
</span><span id="L-27"><a href="#L-27"><span class="linenos"> 27</span></a>
</span><span id="L-28"><a href="#L-28"><span class="linenos"> 28</span></a> <span class="k">def</span> <span class="nf">setWidth</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">width</span><span class="p">):</span>
</span><span id="L-29"><a href="#L-29"><span class="linenos"> 29</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">rect</span><span class="o">.</span><span class="n">setWidth</span><span class="p">(</span><span class="n">width</span><span class="p">)</span>
</span><span id="L-30"><a href="#L-30"><span class="linenos"> 30</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">output_port</span><span class="o">.</span><span class="n">setPos</span><span class="p">(</span><span class="n">width</span><span class="p">,</span> <span class="mi">25</span><span class="p">)</span>
</span><span id="L-31"><a href="#L-31"><span class="linenos"> 31</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">prepareGeometryChange</span><span class="p">()</span>
</span><span id="L-32"><a href="#L-32"><span class="linenos"> 32</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">content</span><span class="o">.</span><span class="n">update_proxy_widget_geometry</span><span class="p">()</span> <span class="c1"># Ensure the content size is updated</span>
</span><span id="L-33"><a href="#L-33"><span class="linenos"> 33</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">width</span> <span class="o">=</span> <span class="n">width</span>
</span><span id="L-34"><a href="#L-34"><span class="linenos"> 34</span></a>
</span><span id="L-35"><a href="#L-35"><span class="linenos"> 35</span></a> <span class="k">def</span> <span class="nf">setHeight</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">height</span><span class="p">):</span>
</span><span id="L-36"><a href="#L-36"><span class="linenos"> 36</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">rect</span><span class="o">.</span><span class="n">setHeight</span><span class="p">(</span><span class="n">height</span><span class="p">)</span>
</span><span id="L-37"><a href="#L-37"><span class="linenos"> 37</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">prepareGeometryChange</span><span class="p">()</span>
</span><span id="L-38"><a href="#L-38"><span class="linenos"> 38</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">content</span><span class="o">.</span><span class="n">update_proxy_widget_geometry</span><span class="p">()</span> <span class="c1"># Ensure the content size is updated</span>
</span><span id="L-39"><a href="#L-39"><span class="linenos"> 39</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">height</span> <span class="o">=</span> <span class="n">height</span>
</span><span id="L-40"><a href="#L-40"><span class="linenos"> 40</span></a>
</span><span id="L-41"><a href="#L-41"><span class="linenos"> 41</span></a> <span class="k">def</span> <span class="nf">boundingRect</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
</span><span id="L-42"><a href="#L-42"><span class="linenos"> 42</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">rect</span>
</span><span id="L-43"><a href="#L-43"><span class="linenos"> 43</span></a>
</span><span id="L-44"><a href="#L-44"><span class="linenos"> 44</span></a> <span class="k">def</span> <span class="nf">paint</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">painter</span><span class="p">,</span> <span class="n">option</span><span class="p">,</span> <span class="n">widget</span><span class="p">):</span>
</span><span id="L-45"><a href="#L-45"><span class="linenos"> 45</span></a> <span class="n">pen</span> <span class="o">=</span> <span class="n">QPen</span><span class="p">(</span><span class="n">Qt</span><span class="o">.</span><span class="n">black</span><span class="p">,</span> <span class="mi">2</span><span class="p">)</span>
</span><span id="L-46"><a href="#L-46"><span class="linenos"> 46</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">hovered</span><span class="p">:</span>
</span><span id="L-47"><a href="#L-47"><span class="linenos"> 47</span></a> <span class="n">pen</span><span class="o">.</span><span class="n">setColor</span><span class="p">(</span><span class="n">Qt</span><span class="o">.</span><span class="n">red</span><span class="p">)</span>
</span><span id="L-48"><a href="#L-48"><span class="linenos"> 48</span></a> <span class="n">painter</span><span class="o">.</span><span class="n">setPen</span><span class="p">(</span><span class="n">pen</span><span class="p">)</span>
</span><span id="L-49"><a href="#L-49"><span class="linenos"> 49</span></a> <span class="n">painter</span><span class="o">.</span><span class="n">drawRect</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">rect</span><span class="p">)</span>
</span><span id="L-50"><a href="#L-50"><span class="linenos"> 50</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">content</span><span class="o">.</span><span class="n">paint</span><span class="p">(</span><span class="n">painter</span><span class="p">,</span> <span class="n">option</span><span class="p">,</span> <span class="n">widget</span><span class="p">)</span> <span class="c1"># Delegate the painting to NodeLayout</span>
</span><span id="L-51"><a href="#L-51"><span class="linenos"> 51</span></a>
</span><span id="L-52"><a href="#L-52"><span class="linenos"> 52</span></a> <span class="k">def</span> <span class="nf">itemChange</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">change</span><span class="p">,</span> <span class="n">value</span><span class="p">):</span>
</span><span id="L-53"><a href="#L-53"><span class="linenos"> 53</span></a> <span class="k">if</span> <span class="n">change</span> <span class="o">==</span> <span class="n">QGraphicsItem</span><span class="o">.</span><span class="n">ItemPositionChange</span><span class="p">:</span>
</span><span id="L-54"><a href="#L-54"><span class="linenos"> 54</span></a> <span class="k">for</span> <span class="n">port</span> <span class="ow">in</span> <span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">input_port</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">output_port</span><span class="p">]:</span>
</span><span id="L-55"><a href="#L-55"><span class="linenos"> 55</span></a> <span class="k">for</span> <span class="n">edge</span> <span class="ow">in</span> <span class="n">port</span><span class="o">.</span><span class="n">edges</span><span class="p">:</span>
</span><span id="L-56"><a href="#L-56"><span class="linenos"> 56</span></a> <span class="n">edge</span><span class="o">.</span><span class="n">update_position</span><span class="p">()</span>
</span><span id="L-57"><a href="#L-57"><span class="linenos"> 57</span></a> <span class="c1"># Sync position with NodeData</span>
</span><span id="L-58"><a href="#L-58"><span class="linenos"> 58</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">pos_x</span> <span class="o">=</span> <span class="n">value</span><span class="o">.</span><span class="n">x</span><span class="p">()</span>
</span><span id="L-59"><a href="#L-59"><span class="linenos"> 59</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">pos_y</span> <span class="o">=</span> <span class="n">value</span><span class="o">.</span><span class="n">y</span><span class="p">()</span>
</span><span id="L-60"><a href="#L-60"><span class="linenos"> 60</span></a> <span class="k">return</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">itemChange</span><span class="p">(</span><span class="n">change</span><span class="p">,</span> <span class="n">value</span><span class="p">)</span>
</span><span id="L-61"><a href="#L-61"><span class="linenos"> 61</span></a>
</span><span id="L-62"><a href="#L-62"><span class="linenos"> 62</span></a> <span class="k">def</span> <span class="nf">mousePressEvent</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">event</span><span class="p">):</span>
</span><span id="L-63"><a href="#L-63"><span class="linenos"> 63</span></a> <span class="n">pos</span> <span class="o">=</span> <span class="n">event</span><span class="o">.</span><span class="n">pos</span><span class="p">()</span>
</span><span id="L-64"><a href="#L-64"><span class="linenos"> 64</span></a> <span class="k">if</span> <span class="n">pos</span><span class="o">.</span><span class="n">x</span><span class="p">()</span> <span class="o">>=</span> <span class="bp">self</span><span class="o">.</span><span class="n">rect</span><span class="o">.</span><span class="n">right</span><span class="p">()</span> <span class="o">-</span> <span class="bp">self</span><span class="o">.</span><span class="n">resizeHandleSize</span> <span class="ow">and</span> \
</span><span id="L-65"><a href="#L-65"><span class="linenos"> 65</span></a> <span class="n">pos</span><span class="o">.</span><span class="n">y</span><span class="p">()</span> <span class="o">>=</span> <span class="bp">self</span><span class="o">.</span><span class="n">rect</span><span class="o">.</span><span class="n">bottom</span><span class="p">()</span> <span class="o">-</span> <span class="bp">self</span><span class="o">.</span><span class="n">resizeHandleSize</span><span class="p">:</span>
</span><span id="L-66"><a href="#L-66"><span class="linenos"> 66</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">resizing</span> <span class="o">=</span> <span class="kc">True</span>
</span><span id="L-67"><a href="#L-67"><span class="linenos"> 67</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">resizeDirection</span> <span class="o">=</span> <span class="s2">"bottom_right"</span>
</span><span id="L-68"><a href="#L-68"><span class="linenos"> 68</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">setCursor</span><span class="p">(</span><span class="n">Qt</span><span class="o">.</span><span class="n">SizeFDiagCursor</span><span class="p">)</span>
</span><span id="L-69"><a href="#L-69"><span class="linenos"> 69</span></a> <span class="k">else</span><span class="p">:</span>
</span><span id="L-70"><a href="#L-70"><span class="linenos"> 70</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">resizing</span> <span class="o">=</span> <span class="kc">False</span>
</span><span id="L-71"><a href="#L-71"><span class="linenos"> 71</span></a> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">mousePressEvent</span><span class="p">(</span><span class="n">event</span><span class="p">)</span>
</span><span id="L-72"><a href="#L-72"><span class="linenos"> 72</span></a>
</span><span id="L-73"><a href="#L-73"><span class="linenos"> 73</span></a> <span class="k">def</span> <span class="nf">mouseMoveEvent</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">event</span><span class="p">):</span>
</span><span id="L-74"><a href="#L-74"><span class="linenos"> 74</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">resizing</span><span class="p">:</span>
</span><span id="L-75"><a href="#L-75"><span class="linenos"> 75</span></a> <span class="n">delta</span> <span class="o">=</span> <span class="n">event</span><span class="o">.</span><span class="n">pos</span><span class="p">()</span> <span class="o">-</span> <span class="n">event</span><span class="o">.</span><span class="n">lastPos</span><span class="p">()</span>
</span><span id="L-76"><a href="#L-76"><span class="linenos"> 76</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">resizeDirection</span> <span class="o">==</span> <span class="s2">"bottom_right"</span><span class="p">:</span>
</span><span id="L-77"><a href="#L-77"><span class="linenos"> 77</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">setWidth</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">rect</span><span class="o">.</span><span class="n">width</span><span class="p">()</span> <span class="o">+</span> <span class="n">delta</span><span class="o">.</span><span class="n">x</span><span class="p">())</span>
</span><span id="L-78"><a href="#L-78"><span class="linenos"> 78</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">setHeight</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">rect</span><span class="o">.</span><span class="n">height</span><span class="p">()</span> <span class="o">+</span> <span class="n">delta</span><span class="o">.</span><span class="n">y</span><span class="p">())</span>
</span><span id="L-79"><a href="#L-79"><span class="linenos"> 79</span></a> <span class="k">else</span><span class="p">:</span>
</span><span id="L-80"><a href="#L-80"><span class="linenos"> 80</span></a> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">mouseMoveEvent</span><span class="p">(</span><span class="n">event</span><span class="p">)</span>
</span><span id="L-81"><a href="#L-81"><span class="linenos"> 81</span></a>
</span><span id="L-82"><a href="#L-82"><span class="linenos"> 82</span></a> <span class="k">def</span> <span class="nf">mouseReleaseEvent</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">event</span><span class="p">):</span>
</span><span id="L-83"><a href="#L-83"><span class="linenos"> 83</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">resizing</span><span class="p">:</span>
</span><span id="L-84"><a href="#L-84"><span class="linenos"> 84</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">resizing</span> <span class="o">=</span> <span class="kc">False</span>
</span><span id="L-85"><a href="#L-85"><span class="linenos"> 85</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">setCursor</span><span class="p">(</span><span class="n">Qt</span><span class="o">.</span><span class="n">ArrowCursor</span><span class="p">)</span>
</span><span id="L-86"><a href="#L-86"><span class="linenos"> 86</span></a> <span class="k">else</span><span class="p">:</span>
</span><span id="L-87"><a href="#L-87"><span class="linenos"> 87</span></a> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">mouseReleaseEvent</span><span class="p">(</span><span class="n">event</span><span class="p">)</span>
</span><span id="L-88"><a href="#L-88"><span class="linenos"> 88</span></a>
</span><span id="L-89"><a href="#L-89"><span class="linenos"> 89</span></a> <span class="k">def</span> <span class="nf">remove_node</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
</span><span id="L-90"><a href="#L-90"><span class="linenos"> 90</span></a> <span class="c1"># Remove all edges connected to this node</span>
</span><span id="L-91"><a href="#L-91"><span class="linenos"> 91</span></a> <span class="k">for</span> <span class="n">edge</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">input_port</span><span class="o">.</span><span class="n">edges</span><span class="p">[:]:</span>
</span><span id="L-92"><a href="#L-92"><span class="linenos"> 92</span></a> <span class="n">edge</span><span class="o">.</span><span class="n">remove</span><span class="p">()</span>
</span><span id="L-93"><a href="#L-93"><span class="linenos"> 93</span></a> <span class="k">for</span> <span class="n">edge</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">output_port</span><span class="o">.</span><span class="n">edges</span><span class="p">[:]:</span>
</span><span id="L-94"><a href="#L-94"><span class="linenos"> 94</span></a> <span class="n">edge</span><span class="o">.</span><span class="n">remove</span><span class="p">()</span>
</span><span id="L-95"><a href="#L-95"><span class="linenos"> 95</span></a>
</span><span id="L-96"><a href="#L-96"><span class="linenos"> 96</span></a> <span class="c1"># Update prevs and nexts of connected nodes</span>
</span><span id="L-97"><a href="#L-97"><span class="linenos"> 97</span></a> <span class="k">for</span> <span class="n">prev_id</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">prevs</span><span class="p">:</span>
</span><span id="L-98"><a href="#L-98"><span class="linenos"> 98</span></a> <span class="n">prev_node</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">scene</span><span class="p">()</span><span class="o">.</span><span class="n">get_node_by_id</span><span class="p">(</span><span class="n">prev_id</span><span class="p">)</span>
</span><span id="L-99"><a href="#L-99"><span class="linenos"> 99</span></a> <span class="k">if</span> <span class="n">prev_node</span><span class="p">:</span>
</span><span id="L-100"><a href="#L-100"><span class="linenos">100</span></a> <span class="n">prev_node</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">nexts</span><span class="o">.</span><span class="n">remove</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">uniq_id</span><span class="p">)</span>
</span><span id="L-101"><a href="#L-101"><span class="linenos">101</span></a>
</span><span id="L-102"><a href="#L-102"><span class="linenos">102</span></a> <span class="k">for</span> <span class="n">next_id</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">nexts</span><span class="p">:</span>
</span><span id="L-103"><a href="#L-103"><span class="linenos">103</span></a> <span class="n">next_node</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">scene</span><span class="p">()</span><span class="o">.</span><span class="n">get_node_by_id</span><span class="p">(</span><span class="n">next_id</span><span class="p">)</span>
</span><span id="L-104"><a href="#L-104"><span class="linenos">104</span></a> <span class="k">if</span> <span class="n">next_node</span><span class="p">:</span>
</span><span id="L-105"><a href="#L-105"><span class="linenos">105</span></a> <span class="n">next_node</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">prevs</span><span class="o">.</span><span class="n">remove</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">uniq_id</span><span class="p">)</span>
</span><span id="L-106"><a href="#L-106"><span class="linenos">106</span></a>
</span><span id="L-107"><a href="#L-107"><span class="linenos">107</span></a> <span class="c1"># Finally, remove this node from the scene</span>
</span><span id="L-108"><a href="#L-108"><span class="linenos">108</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">scene</span><span class="p">()</span><span class="o">.</span><span class="n">removeItem</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
</span><span id="L-109"><a href="#L-109"><span class="linenos">109</span></a>
</span><span id="L-110"><a href="#L-110"><span class="linenos">110</span></a> <span class="k">def</span> <span class="nf">hoverEnterEvent</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">event</span><span class="p">):</span>
</span><span id="L-111"><a href="#L-111"><span class="linenos">111</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">hovered</span> <span class="o">=</span> <span class="kc">True</span>
</span><span id="L-112"><a href="#L-112"><span class="linenos">112</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">update</span><span class="p">()</span> <span class="c1"># Trigger a repaint</span>
</span><span id="L-113"><a href="#L-113"><span class="linenos">113</span></a> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">hoverEnterEvent</span><span class="p">(</span><span class="n">event</span><span class="p">)</span>
</span><span id="L-114"><a href="#L-114"><span class="linenos">114</span></a>
</span><span id="L-115"><a href="#L-115"><span class="linenos">115</span></a> <span class="k">def</span> <span class="nf">hoverLeaveEvent</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">event</span><span class="p">):</span>
</span><span id="L-116"><a href="#L-116"><span class="linenos">116</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">hovered</span> <span class="o">=</span> <span class="kc">False</span>
</span><span id="L-117"><a href="#L-117"><span class="linenos">117</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">update</span><span class="p">()</span> <span class="c1"># Trigger a repaint</span>
</span><span id="L-118"><a href="#L-118"><span class="linenos">118</span></a> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">hoverLeaveEvent</span><span class="p">(</span><span class="n">event</span><span class="p">)</span>
</span><span id="L-119"><a href="#L-119"><span class="linenos">119</span></a>
</span><span id="L-120"><a href="#L-120"><span class="linenos">120</span></a><span class="k">class</span> <span class="nc">Port</span><span class="p">(</span><span class="n">QGraphicsEllipseItem</span><span class="p">):</span>
</span><span id="L-121"><a href="#L-121"><span class="linenos">121</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">parent</span><span class="p">,</span> <span class="n">position</span><span class="p">,</span> <span class="n">port_type</span><span class="p">):</span>
</span><span id="L-122"><a href="#L-122"><span class="linenos">122</span></a> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="o">-</span><span class="mi">5</span><span class="p">,</span> <span class="o">-</span><span class="mi">5</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="n">parent</span><span class="p">)</span>
</span><span id="L-123"><a href="#L-123"><span class="linenos">123</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">setBrush</span><span class="p">(</span><span class="n">Qt</span><span class="o">.</span><span class="n">black</span><span class="p">)</span>
</span><span id="L-124"><a href="#L-124"><span class="linenos">124</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">setFlag</span><span class="p">(</span><span class="n">QGraphicsItem</span><span class="o">.</span><span class="n">ItemIsMovable</span><span class="p">,</span> <span class="kc">False</span><span class="p">)</span>
</span><span id="L-125"><a href="#L-125"><span class="linenos">125</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">setPos</span><span class="p">(</span><span class="n">position</span><span class="p">)</span>
</span><span id="L-126"><a href="#L-126"><span class="linenos">126</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">port_type</span> <span class="o">=</span> <span class="n">port_type</span>
</span><span id="L-127"><a href="#L-127"><span class="linenos">127</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">edges</span> <span class="o">=</span> <span class="p">[]</span>
</span><span id="L-128"><a href="#L-128"><span class="linenos">128</span></a>
</span><span id="L-129"><a href="#L-129"><span class="linenos">129</span></a> <span class="k">def</span> <span class="nf">mousePressEvent</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">event</span><span class="p">):</span>
</span><span id="L-130"><a href="#L-130"><span class="linenos">130</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">port_type</span> <span class="o">==</span> <span class="s2">"output"</span><span class="p">:</span>
</span><span id="L-131"><a href="#L-131"><span class="linenos">131</span></a> <span class="n">edge</span> <span class="o">=</span> <span class="n">Edge</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
</span><span id="L-132"><a href="#L-132"><span class="linenos">132</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">edges</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">edge</span><span class="p">)</span>
</span><span id="L-133"><a href="#L-133"><span class="linenos">133</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">scene</span><span class="p">()</span><span class="o">.</span><span class="n">addItem</span><span class="p">(</span><span class="n">edge</span><span class="p">)</span>
</span><span id="L-134"><a href="#L-134"><span class="linenos">134</span></a>
</span><span id="L-135"><a href="#L-135"><span class="linenos">135</span></a> <span class="k">def</span> <span class="nf">mouseMoveEvent</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">event</span><span class="p">):</span>
</span><span id="L-136"><a href="#L-136"><span class="linenos">136</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">edges</span><span class="p">:</span>
</span><span id="L-137"><a href="#L-137"><span class="linenos">137</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">edges</span><span class="p">[</span><span class="o">-</span><span class="mi">1</span><span class="p">]</span><span class="o">.</span><span class="n">update_position</span><span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">scenePos</span><span class="p">())</span>
</span><span id="L-138"><a href="#L-138"><span class="linenos">138</span></a>
</span><span id="L-139"><a href="#L-139"><span class="linenos">139</span></a> <span class="k">def</span> <span class="nf">mouseReleaseEvent</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">event</span><span class="p">):</span>
</span><span id="L-140"><a href="#L-140"><span class="linenos">140</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">edges</span><span class="p">:</span>
</span><span id="L-141"><a href="#L-141"><span class="linenos">141</span></a> <span class="n">items</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">scene</span><span class="p">()</span><span class="o">.</span><span class="n">items</span><span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">scenePos</span><span class="p">())</span>
</span><span id="L-142"><a href="#L-142"><span class="linenos">142</span></a> <span class="k">for</span> <span class="n">item</span> <span class="ow">in</span> <span class="n">items</span><span class="p">:</span>
</span><span id="L-143"><a href="#L-143"><span class="linenos">143</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">item</span><span class="p">,</span> <span class="n">Port</span><span class="p">)</span> <span class="ow">and</span> <span class="n">item</span> <span class="o">!=</span> <span class="bp">self</span><span class="p">:</span>
</span><span id="L-144"><a href="#L-144"><span class="linenos">144</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">port_type</span> <span class="o">==</span> <span class="s2">"output"</span> <span class="ow">and</span> <span class="n">item</span><span class="o">.</span><span class="n">port_type</span> <span class="o">==</span> <span class="s2">"input"</span><span class="p">:</span>
</span><span id="L-145"><a href="#L-145"><span class="linenos">145</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">edges</span><span class="p">[</span><span class="o">-</span><span class="mi">1</span><span class="p">]</span><span class="o">.</span><span class="n">set_destination</span><span class="p">(</span><span class="n">item</span><span class="p">)</span>
</span><span id="L-146"><a href="#L-146"><span class="linenos">146</span></a> <span class="n">item</span><span class="o">.</span><span class="n">edges</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">edges</span><span class="p">[</span><span class="o">-</span><span class="mi">1</span><span class="p">])</span>
</span><span id="L-147"><a href="#L-147"><span class="linenos">147</span></a> <span class="k">break</span>
</span><span id="L-148"><a href="#L-148"><span class="linenos">148</span></a> <span class="k">else</span><span class="p">:</span>
</span><span id="L-149"><a href="#L-149"><span class="linenos">149</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">scene</span><span class="p">()</span><span class="o">.</span><span class="n">removeItem</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">edges</span><span class="p">[</span><span class="o">-</span><span class="mi">1</span><span class="p">])</span>
</span><span id="L-150"><a href="#L-150"><span class="linenos">150</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">edges</span><span class="o">.</span><span class="n">pop</span><span class="p">()</span>
</span></pre></div>
</section>
<section id="Node">
<input id="Node-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
<div class="attr class">
<span class="def">class</span>
<span class="name">Node</span><wbr>(<span class="base">PySide6.QtWidgets.QGraphicsItem</span>):
<label class="view-source-button" for="Node-view-source"><span>View Source</span></label>
</div>
<a class="headerlink" href="#Node"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="Node-11"><a href="#Node-11"><span class="linenos"> 11</span></a><span class="k">class</span> <span class="nc">Node</span><span class="p">(</span><span class="n">QGraphicsItem</span><span class="p">):</span>
</span><span id="Node-12"><a href="#Node-12"><span class="linenos"> 12</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">node_data</span><span class="p">:</span> <span class="n">NodeData</span><span class="p">):</span>
</span><span id="Node-13"><a href="#Node-13"><span class="linenos"> 13</span></a> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">()</span>
</span><span id="Node-14"><a href="#Node-14"><span class="linenos"> 14</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">data</span> <span class="o">=</span> <span class="n">node_data</span>
</span><span id="Node-15"><a href="#Node-15"><span class="linenos"> 15</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">setFlag</span><span class="p">(</span><span class="n">QGraphicsItem</span><span class="o">.</span><span class="n">ItemIsMovable</span><span class="p">)</span>
</span><span id="Node-16"><a href="#Node-16"><span class="linenos"> 16</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">setFlag</span><span class="p">(</span><span class="n">QGraphicsItem</span><span class="o">.</span><span class="n">ItemIsSelectable</span><span class="p">)</span>
</span><span id="Node-17"><a href="#Node-17"><span class="linenos"> 17</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">setFlag</span><span class="p">(</span><span class="n">QGraphicsItem</span><span class="o">.</span><span class="n">ItemSendsGeometryChanges</span><span class="p">)</span>
</span><span id="Node-18"><a href="#Node-18"><span class="linenos"> 18</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">rect</span> <span class="o">=</span> <span class="n">QRectF</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">width</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">height</span><span class="p">)</span>
</span><span id="Node-19"><a href="#Node-19"><span class="linenos"> 19</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">resizeHandleSize</span> <span class="o">=</span> <span class="mi">10</span>
</span><span id="Node-20"><a href="#Node-20"><span class="linenos"> 20</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">resizing</span> <span class="o">=</span> <span class="kc">False</span>
</span><span id="Node-21"><a href="#Node-21"><span class="linenos"> 21</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">resizeDirection</span> <span class="o">=</span> <span class="kc">None</span>
</span><span id="Node-22"><a href="#Node-22"><span class="linenos"> 22</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">content</span> <span class="o">=</span> <span class="n">NodeLayout</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
</span><span id="Node-23"><a href="#Node-23"><span class="linenos"> 23</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">input_port</span> <span class="o">=</span> <span class="n">Port</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">QPointF</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="mi">25</span><span class="p">),</span> <span class="s2">"input"</span><span class="p">)</span>
</span><span id="Node-24"><a href="#Node-24"><span class="linenos"> 24</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">output_port</span> <span class="o">=</span> <span class="n">Port</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">QPointF</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">rect</span><span class="o">.</span><span class="n">width</span><span class="p">(),</span> <span class="mi">25</span><span class="p">),</span> <span class="s2">"output"</span><span class="p">)</span>
</span><span id="Node-25"><a href="#Node-25"><span class="linenos"> 25</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">setPos</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">pos_x</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">pos_y</span><span class="p">)</span> <span class="c1"># Set initial position from NodeData</span>
</span><span id="Node-26"><a href="#Node-26"><span class="linenos"> 26</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">setAcceptHoverEvents</span><span class="p">(</span><span class="kc">True</span><span class="p">)</span>
</span><span id="Node-27"><a href="#Node-27"><span class="linenos"> 27</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">hovered</span> <span class="o">=</span> <span class="kc">False</span> <span class="c1"># Track hover state</span>
</span><span id="Node-28"><a href="#Node-28"><span class="linenos"> 28</span></a>
</span><span id="Node-29"><a href="#Node-29"><span class="linenos"> 29</span></a> <span class="k">def</span> <span class="nf">setWidth</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">width</span><span class="p">):</span>
</span><span id="Node-30"><a href="#Node-30"><span class="linenos"> 30</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">rect</span><span class="o">.</span><span class="n">setWidth</span><span class="p">(</span><span class="n">width</span><span class="p">)</span>
</span><span id="Node-31"><a href="#Node-31"><span class="linenos"> 31</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">output_port</span><span class="o">.</span><span class="n">setPos</span><span class="p">(</span><span class="n">width</span><span class="p">,</span> <span class="mi">25</span><span class="p">)</span>
</span><span id="Node-32"><a href="#Node-32"><span class="linenos"> 32</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">prepareGeometryChange</span><span class="p">()</span>
</span><span id="Node-33"><a href="#Node-33"><span class="linenos"> 33</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">content</span><span class="o">.</span><span class="n">update_proxy_widget_geometry</span><span class="p">()</span> <span class="c1"># Ensure the content size is updated</span>
</span><span id="Node-34"><a href="#Node-34"><span class="linenos"> 34</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">width</span> <span class="o">=</span> <span class="n">width</span>
</span><span id="Node-35"><a href="#Node-35"><span class="linenos"> 35</span></a>
</span><span id="Node-36"><a href="#Node-36"><span class="linenos"> 36</span></a> <span class="k">def</span> <span class="nf">setHeight</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">height</span><span class="p">):</span>
</span><span id="Node-37"><a href="#Node-37"><span class="linenos"> 37</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">rect</span><span class="o">.</span><span class="n">setHeight</span><span class="p">(</span><span class="n">height</span><span class="p">)</span>
</span><span id="Node-38"><a href="#Node-38"><span class="linenos"> 38</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">prepareGeometryChange</span><span class="p">()</span>
</span><span id="Node-39"><a href="#Node-39"><span class="linenos"> 39</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">content</span><span class="o">.</span><span class="n">update_proxy_widget_geometry</span><span class="p">()</span> <span class="c1"># Ensure the content size is updated</span>
</span><span id="Node-40"><a href="#Node-40"><span class="linenos"> 40</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">height</span> <span class="o">=</span> <span class="n">height</span>
</span><span id="Node-41"><a href="#Node-41"><span class="linenos"> 41</span></a>
</span><span id="Node-42"><a href="#Node-42"><span class="linenos"> 42</span></a> <span class="k">def</span> <span class="nf">boundingRect</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
</span><span id="Node-43"><a href="#Node-43"><span class="linenos"> 43</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">rect</span>
</span><span id="Node-44"><a href="#Node-44"><span class="linenos"> 44</span></a>
</span><span id="Node-45"><a href="#Node-45"><span class="linenos"> 45</span></a> <span class="k">def</span> <span class="nf">paint</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">painter</span><span class="p">,</span> <span class="n">option</span><span class="p">,</span> <span class="n">widget</span><span class="p">):</span>
</span><span id="Node-46"><a href="#Node-46"><span class="linenos"> 46</span></a> <span class="n">pen</span> <span class="o">=</span> <span class="n">QPen</span><span class="p">(</span><span class="n">Qt</span><span class="o">.</span><span class="n">black</span><span class="p">,</span> <span class="mi">2</span><span class="p">)</span>
</span><span id="Node-47"><a href="#Node-47"><span class="linenos"> 47</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">hovered</span><span class="p">:</span>
</span><span id="Node-48"><a href="#Node-48"><span class="linenos"> 48</span></a> <span class="n">pen</span><span class="o">.</span><span class="n">setColor</span><span class="p">(</span><span class="n">Qt</span><span class="o">.</span><span class="n">red</span><span class="p">)</span>
</span><span id="Node-49"><a href="#Node-49"><span class="linenos"> 49</span></a> <span class="n">painter</span><span class="o">.</span><span class="n">setPen</span><span class="p">(</span><span class="n">pen</span><span class="p">)</span>
</span><span id="Node-50"><a href="#Node-50"><span class="linenos"> 50</span></a> <span class="n">painter</span><span class="o">.</span><span class="n">drawRect</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">rect</span><span class="p">)</span>
</span><span id="Node-51"><a href="#Node-51"><span class="linenos"> 51</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">content</span><span class="o">.</span><span class="n">paint</span><span class="p">(</span><span class="n">painter</span><span class="p">,</span> <span class="n">option</span><span class="p">,</span> <span class="n">widget</span><span class="p">)</span> <span class="c1"># Delegate the painting to NodeLayout</span>
</span><span id="Node-52"><a href="#Node-52"><span class="linenos"> 52</span></a>
</span><span id="Node-53"><a href="#Node-53"><span class="linenos"> 53</span></a> <span class="k">def</span> <span class="nf">itemChange</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">change</span><span class="p">,</span> <span class="n">value</span><span class="p">):</span>
</span><span id="Node-54"><a href="#Node-54"><span class="linenos"> 54</span></a> <span class="k">if</span> <span class="n">change</span> <span class="o">==</span> <span class="n">QGraphicsItem</span><span class="o">.</span><span class="n">ItemPositionChange</span><span class="p">:</span>
</span><span id="Node-55"><a href="#Node-55"><span class="linenos"> 55</span></a> <span class="k">for</span> <span class="n">port</span> <span class="ow">in</span> <span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">input_port</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">output_port</span><span class="p">]:</span>
</span><span id="Node-56"><a href="#Node-56"><span class="linenos"> 56</span></a> <span class="k">for</span> <span class="n">edge</span> <span class="ow">in</span> <span class="n">port</span><span class="o">.</span><span class="n">edges</span><span class="p">:</span>
</span><span id="Node-57"><a href="#Node-57"><span class="linenos"> 57</span></a> <span class="n">edge</span><span class="o">.</span><span class="n">update_position</span><span class="p">()</span>
</span><span id="Node-58"><a href="#Node-58"><span class="linenos"> 58</span></a> <span class="c1"># Sync position with NodeData</span>
</span><span id="Node-59"><a href="#Node-59"><span class="linenos"> 59</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">pos_x</span> <span class="o">=</span> <span class="n">value</span><span class="o">.</span><span class="n">x</span><span class="p">()</span>
</span><span id="Node-60"><a href="#Node-60"><span class="linenos"> 60</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">pos_y</span> <span class="o">=</span> <span class="n">value</span><span class="o">.</span><span class="n">y</span><span class="p">()</span>
</span><span id="Node-61"><a href="#Node-61"><span class="linenos"> 61</span></a> <span class="k">return</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">itemChange</span><span class="p">(</span><span class="n">change</span><span class="p">,</span> <span class="n">value</span><span class="p">)</span>
</span><span id="Node-62"><a href="#Node-62"><span class="linenos"> 62</span></a>
</span><span id="Node-63"><a href="#Node-63"><span class="linenos"> 63</span></a> <span class="k">def</span> <span class="nf">mousePressEvent</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">event</span><span class="p">):</span>
</span><span id="Node-64"><a href="#Node-64"><span class="linenos"> 64</span></a> <span class="n">pos</span> <span class="o">=</span> <span class="n">event</span><span class="o">.</span><span class="n">pos</span><span class="p">()</span>
</span><span id="Node-65"><a href="#Node-65"><span class="linenos"> 65</span></a> <span class="k">if</span> <span class="n">pos</span><span class="o">.</span><span class="n">x</span><span class="p">()</span> <span class="o">>=</span> <span class="bp">self</span><span class="o">.</span><span class="n">rect</span><span class="o">.</span><span class="n">right</span><span class="p">()</span> <span class="o">-</span> <span class="bp">self</span><span class="o">.</span><span class="n">resizeHandleSize</span> <span class="ow">and</span> \
</span><span id="Node-66"><a href="#Node-66"><span class="linenos"> 66</span></a> <span class="n">pos</span><span class="o">.</span><span class="n">y</span><span class="p">()</span> <span class="o">>=</span> <span class="bp">self</span><span class="o">.</span><span class="n">rect</span><span class="o">.</span><span class="n">bottom</span><span class="p">()</span> <span class="o">-</span> <span class="bp">self</span><span class="o">.</span><span class="n">resizeHandleSize</span><span class="p">:</span>
</span><span id="Node-67"><a href="#Node-67"><span class="linenos"> 67</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">resizing</span> <span class="o">=</span> <span class="kc">True</span>
</span><span id="Node-68"><a href="#Node-68"><span class="linenos"> 68</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">resizeDirection</span> <span class="o">=</span> <span class="s2">"bottom_right"</span>
</span><span id="Node-69"><a href="#Node-69"><span class="linenos"> 69</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">setCursor</span><span class="p">(</span><span class="n">Qt</span><span class="o">.</span><span class="n">SizeFDiagCursor</span><span class="p">)</span>
</span><span id="Node-70"><a href="#Node-70"><span class="linenos"> 70</span></a> <span class="k">else</span><span class="p">:</span>
</span><span id="Node-71"><a href="#Node-71"><span class="linenos"> 71</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">resizing</span> <span class="o">=</span> <span class="kc">False</span>
</span><span id="Node-72"><a href="#Node-72"><span class="linenos"> 72</span></a> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">mousePressEvent</span><span class="p">(</span><span class="n">event</span><span class="p">)</span>
</span><span id="Node-73"><a href="#Node-73"><span class="linenos"> 73</span></a>
</span><span id="Node-74"><a href="#Node-74"><span class="linenos"> 74</span></a> <span class="k">def</span> <span class="nf">mouseMoveEvent</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">event</span><span class="p">):</span>
</span><span id="Node-75"><a href="#Node-75"><span class="linenos"> 75</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">resizing</span><span class="p">:</span>
</span><span id="Node-76"><a href="#Node-76"><span class="linenos"> 76</span></a> <span class="n">delta</span> <span class="o">=</span> <span class="n">event</span><span class="o">.</span><span class="n">pos</span><span class="p">()</span> <span class="o">-</span> <span class="n">event</span><span class="o">.</span><span class="n">lastPos</span><span class="p">()</span>
</span><span id="Node-77"><a href="#Node-77"><span class="linenos"> 77</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">resizeDirection</span> <span class="o">==</span> <span class="s2">"bottom_right"</span><span class="p">:</span>
</span><span id="Node-78"><a href="#Node-78"><span class="linenos"> 78</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">setWidth</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">rect</span><span class="o">.</span><span class="n">width</span><span class="p">()</span> <span class="o">+</span> <span class="n">delta</span><span class="o">.</span><span class="n">x</span><span class="p">())</span>
</span><span id="Node-79"><a href="#Node-79"><span class="linenos"> 79</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">setHeight</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">rect</span><span class="o">.</span><span class="n">height</span><span class="p">()</span> <span class="o">+</span> <span class="n">delta</span><span class="o">.</span><span class="n">y</span><span class="p">())</span>
</span><span id="Node-80"><a href="#Node-80"><span class="linenos"> 80</span></a> <span class="k">else</span><span class="p">:</span>
</span><span id="Node-81"><a href="#Node-81"><span class="linenos"> 81</span></a> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">mouseMoveEvent</span><span class="p">(</span><span class="n">event</span><span class="p">)</span>
</span><span id="Node-82"><a href="#Node-82"><span class="linenos"> 82</span></a>
</span><span id="Node-83"><a href="#Node-83"><span class="linenos"> 83</span></a> <span class="k">def</span> <span class="nf">mouseReleaseEvent</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">event</span><span class="p">):</span>
</span><span id="Node-84"><a href="#Node-84"><span class="linenos"> 84</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">resizing</span><span class="p">:</span>
</span><span id="Node-85"><a href="#Node-85"><span class="linenos"> 85</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">resizing</span> <span class="o">=</span> <span class="kc">False</span>
</span><span id="Node-86"><a href="#Node-86"><span class="linenos"> 86</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">setCursor</span><span class="p">(</span><span class="n">Qt</span><span class="o">.</span><span class="n">ArrowCursor</span><span class="p">)</span>
</span><span id="Node-87"><a href="#Node-87"><span class="linenos"> 87</span></a> <span class="k">else</span><span class="p">:</span>
</span><span id="Node-88"><a href="#Node-88"><span class="linenos"> 88</span></a> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">mouseReleaseEvent</span><span class="p">(</span><span class="n">event</span><span class="p">)</span>
</span><span id="Node-89"><a href="#Node-89"><span class="linenos"> 89</span></a>
</span><span id="Node-90"><a href="#Node-90"><span class="linenos"> 90</span></a> <span class="k">def</span> <span class="nf">remove_node</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
</span><span id="Node-91"><a href="#Node-91"><span class="linenos"> 91</span></a> <span class="c1"># Remove all edges connected to this node</span>
</span><span id="Node-92"><a href="#Node-92"><span class="linenos"> 92</span></a> <span class="k">for</span> <span class="n">edge</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">input_port</span><span class="o">.</span><span class="n">edges</span><span class="p">[:]:</span>
</span><span id="Node-93"><a href="#Node-93"><span class="linenos"> 93</span></a> <span class="n">edge</span><span class="o">.</span><span class="n">remove</span><span class="p">()</span>
</span><span id="Node-94"><a href="#Node-94"><span class="linenos"> 94</span></a> <span class="k">for</span> <span class="n">edge</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">output_port</span><span class="o">.</span><span class="n">edges</span><span class="p">[:]:</span>
</span><span id="Node-95"><a href="#Node-95"><span class="linenos"> 95</span></a> <span class="n">edge</span><span class="o">.</span><span class="n">remove</span><span class="p">()</span>
</span><span id="Node-96"><a href="#Node-96"><span class="linenos"> 96</span></a>
</span><span id="Node-97"><a href="#Node-97"><span class="linenos"> 97</span></a> <span class="c1"># Update prevs and nexts of connected nodes</span>
</span><span id="Node-98"><a href="#Node-98"><span class="linenos"> 98</span></a> <span class="k">for</span> <span class="n">prev_id</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">prevs</span><span class="p">:</span>
</span><span id="Node-99"><a href="#Node-99"><span class="linenos"> 99</span></a> <span class="n">prev_node</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">scene</span><span class="p">()</span><span class="o">.</span><span class="n">get_node_by_id</span><span class="p">(</span><span class="n">prev_id</span><span class="p">)</span>
</span><span id="Node-100"><a href="#Node-100"><span class="linenos">100</span></a> <span class="k">if</span> <span class="n">prev_node</span><span class="p">:</span>
</span><span id="Node-101"><a href="#Node-101"><span class="linenos">101</span></a> <span class="n">prev_node</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">nexts</span><span class="o">.</span><span class="n">remove</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">uniq_id</span><span class="p">)</span>
</span><span id="Node-102"><a href="#Node-102"><span class="linenos">102</span></a>
</span><span id="Node-103"><a href="#Node-103"><span class="linenos">103</span></a> <span class="k">for</span> <span class="n">next_id</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">nexts</span><span class="p">:</span>
</span><span id="Node-104"><a href="#Node-104"><span class="linenos">104</span></a> <span class="n">next_node</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">scene</span><span class="p">()</span><span class="o">.</span><span class="n">get_node_by_id</span><span class="p">(</span><span class="n">next_id</span><span class="p">)</span>
</span><span id="Node-105"><a href="#Node-105"><span class="linenos">105</span></a> <span class="k">if</span> <span class="n">next_node</span><span class="p">:</span>
</span><span id="Node-106"><a href="#Node-106"><span class="linenos">106</span></a> <span class="n">next_node</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">prevs</span><span class="o">.</span><span class="n">remove</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">uniq_id</span><span class="p">)</span>
</span><span id="Node-107"><a href="#Node-107"><span class="linenos">107</span></a>
</span><span id="Node-108"><a href="#Node-108"><span class="linenos">108</span></a> <span class="c1"># Finally, remove this node from the scene</span>
</span><span id="Node-109"><a href="#Node-109"><span class="linenos">109</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">scene</span><span class="p">()</span><span class="o">.</span><span class="n">removeItem</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
</span><span id="Node-110"><a href="#Node-110"><span class="linenos">110</span></a>
</span><span id="Node-111"><a href="#Node-111"><span class="linenos">111</span></a> <span class="k">def</span> <span class="nf">hoverEnterEvent</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">event</span><span class="p">):</span>
</span><span id="Node-112"><a href="#Node-112"><span class="linenos">112</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">hovered</span> <span class="o">=</span> <span class="kc">True</span>
</span><span id="Node-113"><a href="#Node-113"><span class="linenos">113</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">update</span><span class="p">()</span> <span class="c1"># Trigger a repaint</span>
</span><span id="Node-114"><a href="#Node-114"><span class="linenos">114</span></a> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">hoverEnterEvent</span><span class="p">(</span><span class="n">event</span><span class="p">)</span>
</span><span id="Node-115"><a href="#Node-115"><span class="linenos">115</span></a>
</span><span id="Node-116"><a href="#Node-116"><span class="linenos">116</span></a> <span class="k">def</span> <span class="nf">hoverLeaveEvent</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">event</span><span class="p">):</span>
</span><span id="Node-117"><a href="#Node-117"><span class="linenos">117</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">hovered</span> <span class="o">=</span> <span class="kc">False</span>
</span><span id="Node-118"><a href="#Node-118"><span class="linenos">118</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">update</span><span class="p">()</span> <span class="c1"># Trigger a repaint</span>
</span><span id="Node-119"><a href="#Node-119"><span class="linenos">119</span></a> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">hoverLeaveEvent</span><span class="p">(</span><span class="n">event</span><span class="p">)</span>
</span></pre></div>
<div class="docstring"><p>QGraphicsItem(self, parent: Optional[PySide6.QtWidgets.QGraphicsItem] = None) -> None</p>
</div>
<div id="Node.__init__" class="classattr">
<input id="Node.__init__-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
<div class="attr function">
<span class="name">Node</span><span class="signature pdoc-code condensed">(<span class="param"><span class="n">node_data</span><span class="p">:</span> <span class="n"><a href="NodeData.html#NodeData">NodeData.NodeData</a></span></span>)</span>
<label class="view-source-button" for="Node.__init__-view-source"><span>View Source</span></label>
</div>
<a class="headerlink" href="#Node.__init__"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="Node.__init__-12"><a href="#Node.__init__-12"><span class="linenos">12</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">node_data</span><span class="p">:</span> <span class="n">NodeData</span><span class="p">):</span>
</span><span id="Node.__init__-13"><a href="#Node.__init__-13"><span class="linenos">13</span></a> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">()</span>
</span><span id="Node.__init__-14"><a href="#Node.__init__-14"><span class="linenos">14</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">data</span> <span class="o">=</span> <span class="n">node_data</span>
</span><span id="Node.__init__-15"><a href="#Node.__init__-15"><span class="linenos">15</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">setFlag</span><span class="p">(</span><span class="n">QGraphicsItem</span><span class="o">.</span><span class="n">ItemIsMovable</span><span class="p">)</span>
</span><span id="Node.__init__-16"><a href="#Node.__init__-16"><span class="linenos">16</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">setFlag</span><span class="p">(</span><span class="n">QGraphicsItem</span><span class="o">.</span><span class="n">ItemIsSelectable</span><span class="p">)</span>
</span><span id="Node.__init__-17"><a href="#Node.__init__-17"><span class="linenos">17</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">setFlag</span><span class="p">(</span><span class="n">QGraphicsItem</span><span class="o">.</span><span class="n">ItemSendsGeometryChanges</span><span class="p">)</span>
</span><span id="Node.__init__-18"><a href="#Node.__init__-18"><span class="linenos">18</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">rect</span> <span class="o">=</span> <span class="n">QRectF</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">width</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">height</span><span class="p">)</span>
</span><span id="Node.__init__-19"><a href="#Node.__init__-19"><span class="linenos">19</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">resizeHandleSize</span> <span class="o">=</span> <span class="mi">10</span>
</span><span id="Node.__init__-20"><a href="#Node.__init__-20"><span class="linenos">20</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">resizing</span> <span class="o">=</span> <span class="kc">False</span>
</span><span id="Node.__init__-21"><a href="#Node.__init__-21"><span class="linenos">21</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">resizeDirection</span> <span class="o">=</span> <span class="kc">None</span>
</span><span id="Node.__init__-22"><a href="#Node.__init__-22"><span class="linenos">22</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">content</span> <span class="o">=</span> <span class="n">NodeLayout</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
</span><span id="Node.__init__-23"><a href="#Node.__init__-23"><span class="linenos">23</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">input_port</span> <span class="o">=</span> <span class="n">Port</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">QPointF</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="mi">25</span><span class="p">),</span> <span class="s2">"input"</span><span class="p">)</span>
</span><span id="Node.__init__-24"><a href="#Node.__init__-24"><span class="linenos">24</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">output_port</span> <span class="o">=</span> <span class="n">Port</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">QPointF</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">rect</span><span class="o">.</span><span class="n">width</span><span class="p">(),</span> <span class="mi">25</span><span class="p">),</span> <span class="s2">"output"</span><span class="p">)</span>
</span><span id="Node.__init__-25"><a href="#Node.__init__-25"><span class="linenos">25</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">setPos</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">pos_x</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">pos_y</span><span class="p">)</span> <span class="c1"># Set initial position from NodeData</span>
</span><span id="Node.__init__-26"><a href="#Node.__init__-26"><span class="linenos">26</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">setAcceptHoverEvents</span><span class="p">(</span><span class="kc">True</span><span class="p">)</span>
</span><span id="Node.__init__-27"><a href="#Node.__init__-27"><span class="linenos">27</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">hovered</span> <span class="o">=</span> <span class="kc">False</span> <span class="c1"># Track hover state</span>
</span></pre></div>
</div>
<div id="Node.data" class="classattr">
<div class="attr function">
<span class="def">def</span>
<span class="name">data</span><span class="signature pdoc-code condensed">(<span class="param"><span class="n">unknown</span></span><span class="return-annotation">):</span></span>
</div>
<a class="headerlink" href="#Node.data"></a>
</div>
<div id="Node.rect" class="classattr">
<div class="attr variable">
<span class="name">rect</span>
</div>
<a class="headerlink" href="#Node.rect"></a>
</div>
<div id="Node.resizeHandleSize" class="classattr">
<div class="attr variable">
<span class="name">resizeHandleSize</span>
</div>
<a class="headerlink" href="#Node.resizeHandleSize"></a>
</div>
<div id="Node.resizing" class="classattr">
<div class="attr variable">
<span class="name">resizing</span>
</div>
<a class="headerlink" href="#Node.resizing"></a>
</div>
<div id="Node.resizeDirection" class="classattr">
<div class="attr variable">
<span class="name">resizeDirection</span>
</div>
<a class="headerlink" href="#Node.resizeDirection"></a>
</div>
<div id="Node.content" class="classattr">
<div class="attr variable">
<span class="name">content</span>
</div>
<a class="headerlink" href="#Node.content"></a>
</div>
<div id="Node.input_port" class="classattr">
<div class="attr variable">
<span class="name">input_port</span>
</div>
<a class="headerlink" href="#Node.input_port"></a>
</div>
<div id="Node.output_port" class="classattr">
<div class="attr variable">
<span class="name">output_port</span>
</div>
<a class="headerlink" href="#Node.output_port"></a>
</div>
<div id="Node.hovered" class="classattr">
<div class="attr variable">
<span class="name">hovered</span>
</div>
<a class="headerlink" href="#Node.hovered"></a>
</div>
<div id="Node.setWidth" class="classattr">
<input id="Node.setWidth-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
<div class="attr function">
<span class="def">def</span>
<span class="name">setWidth</span><span class="signature pdoc-code condensed">(<span class="param"><span class="bp">self</span>, </span><span class="param"><span class="n">width</span></span><span class="return-annotation">):</span></span>
<label class="view-source-button" for="Node.setWidth-view-source"><span>View Source</span></label>
</div>
<a class="headerlink" href="#Node.setWidth"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="Node.setWidth-29"><a href="#Node.setWidth-29"><span class="linenos">29</span></a> <span class="k">def</span> <span class="nf">setWidth</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">width</span><span class="p">):</span>
</span><span id="Node.setWidth-30"><a href="#Node.setWidth-30"><span class="linenos">30</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">rect</span><span class="o">.</span><span class="n">setWidth</span><span class="p">(</span><span class="n">width</span><span class="p">)</span>
</span><span id="Node.setWidth-31"><a href="#Node.setWidth-31"><span class="linenos">31</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">output_port</span><span class="o">.</span><span class="n">setPos</span><span class="p">(</span><span class="n">width</span><span class="p">,</span> <span class="mi">25</span><span class="p">)</span>
</span><span id="Node.setWidth-32"><a href="#Node.setWidth-32"><span class="linenos">32</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">prepareGeometryChange</span><span class="p">()</span>
</span><span id="Node.setWidth-33"><a href="#Node.setWidth-33"><span class="linenos">33</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">content</span><span class="o">.</span><span class="n">update_proxy_widget_geometry</span><span class="p">()</span> <span class="c1"># Ensure the content size is updated</span>
</span><span id="Node.setWidth-34"><a href="#Node.setWidth-34"><span class="linenos">34</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">width</span> <span class="o">=</span> <span class="n">width</span>
</span></pre></div>
</div>
<div id="Node.setHeight" class="classattr">
<input id="Node.setHeight-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
<div class="attr function">
<span class="def">def</span>
<span class="name">setHeight</span><span class="signature pdoc-code condensed">(<span class="param"><span class="bp">self</span>, </span><span class="param"><span class="n">height</span></span><span class="return-annotation">):</span></span>
<label class="view-source-button" for="Node.setHeight-view-source"><span>View Source</span></label>
</div>
<a class="headerlink" href="#Node.setHeight"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="Node.setHeight-36"><a href="#Node.setHeight-36"><span class="linenos">36</span></a> <span class="k">def</span> <span class="nf">setHeight</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">height</span><span class="p">):</span>
</span><span id="Node.setHeight-37"><a href="#Node.setHeight-37"><span class="linenos">37</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">rect</span><span class="o">.</span><span class="n">setHeight</span><span class="p">(</span><span class="n">height</span><span class="p">)</span>
</span><span id="Node.setHeight-38"><a href="#Node.setHeight-38"><span class="linenos">38</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">prepareGeometryChange</span><span class="p">()</span>
</span><span id="Node.setHeight-39"><a href="#Node.setHeight-39"><span class="linenos">39</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">content</span><span class="o">.</span><span class="n">update_proxy_widget_geometry</span><span class="p">()</span> <span class="c1"># Ensure the content size is updated</span>
</span><span id="Node.setHeight-40"><a href="#Node.setHeight-40"><span class="linenos">40</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">height</span> <span class="o">=</span> <span class="n">height</span>
</span></pre></div>
</div>
<div id="Node.boundingRect" class="classattr">
<input id="Node.boundingRect-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
<div class="attr function">
<span class="def">def</span>
<span class="name">boundingRect</span><span class="signature pdoc-code condensed">(<span class="param"><span class="bp">self</span></span><span class="return-annotation">):</span></span>
<label class="view-source-button" for="Node.boundingRect-view-source"><span>View Source</span></label>
</div>
<a class="headerlink" href="#Node.boundingRect"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="Node.boundingRect-42"><a href="#Node.boundingRect-42"><span class="linenos">42</span></a> <span class="k">def</span> <span class="nf">boundingRect</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
</span><span id="Node.boundingRect-43"><a href="#Node.boundingRect-43"><span class="linenos">43</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">rect</span>
</span></pre></div>
</div>
<div id="Node.paint" class="classattr">
<input id="Node.paint-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
<div class="attr function">
<span class="def">def</span>
<span class="name">paint</span><span class="signature pdoc-code condensed">(<span class="param"><span class="bp">self</span>, </span><span class="param"><span class="n">painter</span>, </span><span class="param"><span class="n">option</span>, </span><span class="param"><span class="n">widget</span></span><span class="return-annotation">):</span></span>
<label class="view-source-button" for="Node.paint-view-source"><span>View Source</span></label>
</div>
<a class="headerlink" href="#Node.paint"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="Node.paint-45"><a href="#Node.paint-45"><span class="linenos">45</span></a> <span class="k">def</span> <span class="nf">paint</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">painter</span><span class="p">,</span> <span class="n">option</span><span class="p">,</span> <span class="n">widget</span><span class="p">):</span>
</span><span id="Node.paint-46"><a href="#Node.paint-46"><span class="linenos">46</span></a> <span class="n">pen</span> <span class="o">=</span> <span class="n">QPen</span><span class="p">(</span><span class="n">Qt</span><span class="o">.</span><span class="n">black</span><span class="p">,</span> <span class="mi">2</span><span class="p">)</span>
</span><span id="Node.paint-47"><a href="#Node.paint-47"><span class="linenos">47</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">hovered</span><span class="p">:</span>
</span><span id="Node.paint-48"><a href="#Node.paint-48"><span class="linenos">48</span></a> <span class="n">pen</span><span class="o">.</span><span class="n">setColor</span><span class="p">(</span><span class="n">Qt</span><span class="o">.</span><span class="n">red</span><span class="p">)</span>
</span><span id="Node.paint-49"><a href="#Node.paint-49"><span class="linenos">49</span></a> <span class="n">painter</span><span class="o">.</span><span class="n">setPen</span><span class="p">(</span><span class="n">pen</span><span class="p">)</span>
</span><span id="Node.paint-50"><a href="#Node.paint-50"><span class="linenos">50</span></a> <span class="n">painter</span><span class="o">.</span><span class="n">drawRect</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">rect</span><span class="p">)</span>
</span><span id="Node.paint-51"><a href="#Node.paint-51"><span class="linenos">51</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">content</span><span class="o">.</span><span class="n">paint</span><span class="p">(</span><span class="n">painter</span><span class="p">,</span> <span class="n">option</span><span class="p">,</span> <span class="n">widget</span><span class="p">)</span> <span class="c1"># Delegate the painting to NodeLayout</span>
</span></pre></div>
</div>
<div id="Node.itemChange" class="classattr">
<input id="Node.itemChange-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
<div class="attr function">
<span class="def">def</span>
<span class="name">itemChange</span><span class="signature pdoc-code condensed">(<span class="param"><span class="bp">self</span>, </span><span class="param"><span class="n">change</span>, </span><span class="param"><span class="n">value</span></span><span class="return-annotation">):</span></span>
<label class="view-source-button" for="Node.itemChange-view-source"><span>View Source</span></label>
</div>
<a class="headerlink" href="#Node.itemChange"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="Node.itemChange-53"><a href="#Node.itemChange-53"><span class="linenos">53</span></a> <span class="k">def</span> <span class="nf">itemChange</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">change</span><span class="p">,</span> <span class="n">value</span><span class="p">):</span>
</span><span id="Node.itemChange-54"><a href="#Node.itemChange-54"><span class="linenos">54</span></a> <span class="k">if</span> <span class="n">change</span> <span class="o">==</span> <span class="n">QGraphicsItem</span><span class="o">.</span><span class="n">ItemPositionChange</span><span class="p">:</span>
</span><span id="Node.itemChange-55"><a href="#Node.itemChange-55"><span class="linenos">55</span></a> <span class="k">for</span> <span class="n">port</span> <span class="ow">in</span> <span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">input_port</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">output_port</span><span class="p">]:</span>
</span><span id="Node.itemChange-56"><a href="#Node.itemChange-56"><span class="linenos">56</span></a> <span class="k">for</span> <span class="n">edge</span> <span class="ow">in</span> <span class="n">port</span><span class="o">.</span><span class="n">edges</span><span class="p">:</span>
</span><span id="Node.itemChange-57"><a href="#Node.itemChange-57"><span class="linenos">57</span></a> <span class="n">edge</span><span class="o">.</span><span class="n">update_position</span><span class="p">()</span>
</span><span id="Node.itemChange-58"><a href="#Node.itemChange-58"><span class="linenos">58</span></a> <span class="c1"># Sync position with NodeData</span>
</span><span id="Node.itemChange-59"><a href="#Node.itemChange-59"><span class="linenos">59</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">pos_x</span> <span class="o">=</span> <span class="n">value</span><span class="o">.</span><span class="n">x</span><span class="p">()</span>
</span><span id="Node.itemChange-60"><a href="#Node.itemChange-60"><span class="linenos">60</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">pos_y</span> <span class="o">=</span> <span class="n">value</span><span class="o">.</span><span class="n">y</span><span class="p">()</span>
</span><span id="Node.itemChange-61"><a href="#Node.itemChange-61"><span class="linenos">61</span></a> <span class="k">return</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">itemChange</span><span class="p">(</span><span class="n">change</span><span class="p">,</span> <span class="n">value</span><span class="p">)</span>
</span></pre></div>
</div>
<div id="Node.mousePressEvent" class="classattr">
<input id="Node.mousePressEvent-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
<div class="attr function">
<span class="def">def</span>
<span class="name">mousePressEvent</span><span class="signature pdoc-code condensed">(<span class="param"><span class="bp">self</span>, </span><span class="param"><span class="n">event</span></span><span class="return-annotation">):</span></span>
<label class="view-source-button" for="Node.mousePressEvent-view-source"><span>View Source</span></label>
</div>
<a class="headerlink" href="#Node.mousePressEvent"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="Node.mousePressEvent-63"><a href="#Node.mousePressEvent-63"><span class="linenos">63</span></a> <span class="k">def</span> <span class="nf">mousePressEvent</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">event</span><span class="p">):</span>
</span><span id="Node.mousePressEvent-64"><a href="#Node.mousePressEvent-64"><span class="linenos">64</span></a> <span class="n">pos</span> <span class="o">=</span> <span class="n">event</span><span class="o">.</span><span class="n">pos</span><span class="p">()</span>
</span><span id="Node.mousePressEvent-65"><a href="#Node.mousePressEvent-65"><span class="linenos">65</span></a> <span class="k">if</span> <span class="n">pos</span><span class="o">.</span><span class="n">x</span><span class="p">()</span> <span class="o">>=</span> <span class="bp">self</span><span class="o">.</span><span class="n">rect</span><span class="o">.</span><span class="n">right</span><span class="p">()</span> <span class="o">-</span> <span class="bp">self</span><span class="o">.</span><span class="n">resizeHandleSize</span> <span class="ow">and</span> \
</span><span id="Node.mousePressEvent-66"><a href="#Node.mousePressEvent-66"><span class="linenos">66</span></a> <span class="n">pos</span><span class="o">.</span><span class="n">y</span><span class="p">()</span> <span class="o">>=</span> <span class="bp">self</span><span class="o">.</span><span class="n">rect</span><span class="o">.</span><span class="n">bottom</span><span class="p">()</span> <span class="o">-</span> <span class="bp">self</span><span class="o">.</span><span class="n">resizeHandleSize</span><span class="p">:</span>
</span><span id="Node.mousePressEvent-67"><a href="#Node.mousePressEvent-67"><span class="linenos">67</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">resizing</span> <span class="o">=</span> <span class="kc">True</span>
</span><span id="Node.mousePressEvent-68"><a href="#Node.mousePressEvent-68"><span class="linenos">68</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">resizeDirection</span> <span class="o">=</span> <span class="s2">"bottom_right"</span>
</span><span id="Node.mousePressEvent-69"><a href="#Node.mousePressEvent-69"><span class="linenos">69</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">setCursor</span><span class="p">(</span><span class="n">Qt</span><span class="o">.</span><span class="n">SizeFDiagCursor</span><span class="p">)</span>
</span><span id="Node.mousePressEvent-70"><a href="#Node.mousePressEvent-70"><span class="linenos">70</span></a> <span class="k">else</span><span class="p">:</span>
</span><span id="Node.mousePressEvent-71"><a href="#Node.mousePressEvent-71"><span class="linenos">71</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">resizing</span> <span class="o">=</span> <span class="kc">False</span>
</span><span id="Node.mousePressEvent-72"><a href="#Node.mousePressEvent-72"><span class="linenos">72</span></a> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">mousePressEvent</span><span class="p">(</span><span class="n">event</span><span class="p">)</span>
</span></pre></div>
</div>
<div id="Node.mouseMoveEvent" class="classattr">
<input id="Node.mouseMoveEvent-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
<div class="attr function">
<span class="def">def</span>
<span class="name">mouseMoveEvent</span><span class="signature pdoc-code condensed">(<span class="param"><span class="bp">self</span>, </span><span class="param"><span class="n">event</span></span><span class="return-annotation">):</span></span>
<label class="view-source-button" for="Node.mouseMoveEvent-view-source"><span>View Source</span></label>
</div>
<a class="headerlink" href="#Node.mouseMoveEvent"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="Node.mouseMoveEvent-74"><a href="#Node.mouseMoveEvent-74"><span class="linenos">74</span></a> <span class="k">def</span> <span class="nf">mouseMoveEvent</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">event</span><span class="p">):</span>
</span><span id="Node.mouseMoveEvent-75"><a href="#Node.mouseMoveEvent-75"><span class="linenos">75</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">resizing</span><span class="p">:</span>
</span><span id="Node.mouseMoveEvent-76"><a href="#Node.mouseMoveEvent-76"><span class="linenos">76</span></a> <span class="n">delta</span> <span class="o">=</span> <span class="n">event</span><span class="o">.</span><span class="n">pos</span><span class="p">()</span> <span class="o">-</span> <span class="n">event</span><span class="o">.</span><span class="n">lastPos</span><span class="p">()</span>
</span><span id="Node.mouseMoveEvent-77"><a href="#Node.mouseMoveEvent-77"><span class="linenos">77</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">resizeDirection</span> <span class="o">==</span> <span class="s2">"bottom_right"</span><span class="p">:</span>
</span><span id="Node.mouseMoveEvent-78"><a href="#Node.mouseMoveEvent-78"><span class="linenos">78</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">setWidth</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">rect</span><span class="o">.</span><span class="n">width</span><span class="p">()</span> <span class="o">+</span> <span class="n">delta</span><span class="o">.</span><span class="n">x</span><span class="p">())</span>
</span><span id="Node.mouseMoveEvent-79"><a href="#Node.mouseMoveEvent-79"><span class="linenos">79</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">setHeight</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">rect</span><span class="o">.</span><span class="n">height</span><span class="p">()</span> <span class="o">+</span> <span class="n">delta</span><span class="o">.</span><span class="n">y</span><span class="p">())</span>
</span><span id="Node.mouseMoveEvent-80"><a href="#Node.mouseMoveEvent-80"><span class="linenos">80</span></a> <span class="k">else</span><span class="p">:</span>
</span><span id="Node.mouseMoveEvent-81"><a href="#Node.mouseMoveEvent-81"><span class="linenos">81</span></a> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">mouseMoveEvent</span><span class="p">(</span><span class="n">event</span><span class="p">)</span>
</span></pre></div>
</div>
<div id="Node.mouseReleaseEvent" class="classattr">
<input id="Node.mouseReleaseEvent-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
<div class="attr function">
<span class="def">def</span>
<span class="name">mouseReleaseEvent</span><span class="signature pdoc-code condensed">(<span class="param"><span class="bp">self</span>, </span><span class="param"><span class="n">event</span></span><span class="return-annotation">):</span></span>
<label class="view-source-button" for="Node.mouseReleaseEvent-view-source"><span>View Source</span></label>
</div>
<a class="headerlink" href="#Node.mouseReleaseEvent"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="Node.mouseReleaseEvent-83"><a href="#Node.mouseReleaseEvent-83"><span class="linenos">83</span></a> <span class="k">def</span> <span class="nf">mouseReleaseEvent</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">event</span><span class="p">):</span>
</span><span id="Node.mouseReleaseEvent-84"><a href="#Node.mouseReleaseEvent-84"><span class="linenos">84</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">resizing</span><span class="p">:</span>
</span><span id="Node.mouseReleaseEvent-85"><a href="#Node.mouseReleaseEvent-85"><span class="linenos">85</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">resizing</span> <span class="o">=</span> <span class="kc">False</span>
</span><span id="Node.mouseReleaseEvent-86"><a href="#Node.mouseReleaseEvent-86"><span class="linenos">86</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">setCursor</span><span class="p">(</span><span class="n">Qt</span><span class="o">.</span><span class="n">ArrowCursor</span><span class="p">)</span>
</span><span id="Node.mouseReleaseEvent-87"><a href="#Node.mouseReleaseEvent-87"><span class="linenos">87</span></a> <span class="k">else</span><span class="p">:</span>
</span><span id="Node.mouseReleaseEvent-88"><a href="#Node.mouseReleaseEvent-88"><span class="linenos">88</span></a> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">mouseReleaseEvent</span><span class="p">(</span><span class="n">event</span><span class="p">)</span>
</span></pre></div>
</div>
<div id="Node.remove_node" class="classattr">
<input id="Node.remove_node-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
<div class="attr function">
<span class="def">def</span>
<span class="name">remove_node</span><span class="signature pdoc-code condensed">(<span class="param"><span class="bp">self</span></span><span class="return-annotation">):</span></span>
<label class="view-source-button" for="Node.remove_node-view-source"><span>View Source</span></label>
</div>
<a class="headerlink" href="#Node.remove_node"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="Node.remove_node-90"><a href="#Node.remove_node-90"><span class="linenos"> 90</span></a> <span class="k">def</span> <span class="nf">remove_node</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
</span><span id="Node.remove_node-91"><a href="#Node.remove_node-91"><span class="linenos"> 91</span></a> <span class="c1"># Remove all edges connected to this node</span>
</span><span id="Node.remove_node-92"><a href="#Node.remove_node-92"><span class="linenos"> 92</span></a> <span class="k">for</span> <span class="n">edge</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">input_port</span><span class="o">.</span><span class="n">edges</span><span class="p">[:]:</span>
</span><span id="Node.remove_node-93"><a href="#Node.remove_node-93"><span class="linenos"> 93</span></a> <span class="n">edge</span><span class="o">.</span><span class="n">remove</span><span class="p">()</span>
</span><span id="Node.remove_node-94"><a href="#Node.remove_node-94"><span class="linenos"> 94</span></a> <span class="k">for</span> <span class="n">edge</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">output_port</span><span class="o">.</span><span class="n">edges</span><span class="p">[:]:</span>
</span><span id="Node.remove_node-95"><a href="#Node.remove_node-95"><span class="linenos"> 95</span></a> <span class="n">edge</span><span class="o">.</span><span class="n">remove</span><span class="p">()</span>
</span><span id="Node.remove_node-96"><a href="#Node.remove_node-96"><span class="linenos"> 96</span></a>
</span><span id="Node.remove_node-97"><a href="#Node.remove_node-97"><span class="linenos"> 97</span></a> <span class="c1"># Update prevs and nexts of connected nodes</span>
</span><span id="Node.remove_node-98"><a href="#Node.remove_node-98"><span class="linenos"> 98</span></a> <span class="k">for</span> <span class="n">prev_id</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">prevs</span><span class="p">:</span>
</span><span id="Node.remove_node-99"><a href="#Node.remove_node-99"><span class="linenos"> 99</span></a> <span class="n">prev_node</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">scene</span><span class="p">()</span><span class="o">.</span><span class="n">get_node_by_id</span><span class="p">(</span><span class="n">prev_id</span><span class="p">)</span>
</span><span id="Node.remove_node-100"><a href="#Node.remove_node-100"><span class="linenos">100</span></a> <span class="k">if</span> <span class="n">prev_node</span><span class="p">:</span>
</span><span id="Node.remove_node-101"><a href="#Node.remove_node-101"><span class="linenos">101</span></a> <span class="n">prev_node</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">nexts</span><span class="o">.</span><span class="n">remove</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">uniq_id</span><span class="p">)</span>
</span><span id="Node.remove_node-102"><a href="#Node.remove_node-102"><span class="linenos">102</span></a>
</span><span id="Node.remove_node-103"><a href="#Node.remove_node-103"><span class="linenos">103</span></a> <span class="k">for</span> <span class="n">next_id</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">nexts</span><span class="p">:</span>
</span><span id="Node.remove_node-104"><a href="#Node.remove_node-104"><span class="linenos">104</span></a> <span class="n">next_node</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">scene</span><span class="p">()</span><span class="o">.</span><span class="n">get_node_by_id</span><span class="p">(</span><span class="n">next_id</span><span class="p">)</span>
</span><span id="Node.remove_node-105"><a href="#Node.remove_node-105"><span class="linenos">105</span></a> <span class="k">if</span> <span class="n">next_node</span><span class="p">:</span>
</span><span id="Node.remove_node-106"><a href="#Node.remove_node-106"><span class="linenos">106</span></a> <span class="n">next_node</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">prevs</span><span class="o">.</span><span class="n">remove</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">uniq_id</span><span class="p">)</span>
</span><span id="Node.remove_node-107"><a href="#Node.remove_node-107"><span class="linenos">107</span></a>
</span><span id="Node.remove_node-108"><a href="#Node.remove_node-108"><span class="linenos">108</span></a> <span class="c1"># Finally, remove this node from the scene</span>
</span><span id="Node.remove_node-109"><a href="#Node.remove_node-109"><span class="linenos">109</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">scene</span><span class="p">()</span><span class="o">.</span><span class="n">removeItem</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
</span></pre></div>
</div>
<div id="Node.hoverEnterEvent" class="classattr">
<input id="Node.hoverEnterEvent-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
<div class="attr function">
<span class="def">def</span>
<span class="name">hoverEnterEvent</span><span class="signature pdoc-code condensed">(<span class="param"><span class="bp">self</span>, </span><span class="param"><span class="n">event</span></span><span class="return-annotation">):</span></span>
<label class="view-source-button" for="Node.hoverEnterEvent-view-source"><span>View Source</span></label>
</div>
<a class="headerlink" href="#Node.hoverEnterEvent"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="Node.hoverEnterEvent-111"><a href="#Node.hoverEnterEvent-111"><span class="linenos">111</span></a> <span class="k">def</span> <span class="nf">hoverEnterEvent</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">event</span><span class="p">):</span>
</span><span id="Node.hoverEnterEvent-112"><a href="#Node.hoverEnterEvent-112"><span class="linenos">112</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">hovered</span> <span class="o">=</span> <span class="kc">True</span>
</span><span id="Node.hoverEnterEvent-113"><a href="#Node.hoverEnterEvent-113"><span class="linenos">113</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">update</span><span class="p">()</span> <span class="c1"># Trigger a repaint</span>
</span><span id="Node.hoverEnterEvent-114"><a href="#Node.hoverEnterEvent-114"><span class="linenos">114</span></a> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">hoverEnterEvent</span><span class="p">(</span><span class="n">event</span><span class="p">)</span>
</span></pre></div>
</div>
<div id="Node.hoverLeaveEvent" class="classattr">
<input id="Node.hoverLeaveEvent-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
<div class="attr function">
<span class="def">def</span>
<span class="name">hoverLeaveEvent</span><span class="signature pdoc-code condensed">(<span class="param"><span class="bp">self</span>, </span><span class="param"><span class="n">event</span></span><span class="return-annotation">):</span></span>
<label class="view-source-button" for="Node.hoverLeaveEvent-view-source"><span>View Source</span></label>
</div>
<a class="headerlink" href="#Node.hoverLeaveEvent"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="Node.hoverLeaveEvent-116"><a href="#Node.hoverLeaveEvent-116"><span class="linenos">116</span></a> <span class="k">def</span> <span class="nf">hoverLeaveEvent</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">event</span><span class="p">):</span>
</span><span id="Node.hoverLeaveEvent-117"><a href="#Node.hoverLeaveEvent-117"><span class="linenos">117</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">hovered</span> <span class="o">=</span> <span class="kc">False</span>
</span><span id="Node.hoverLeaveEvent-118"><a href="#Node.hoverLeaveEvent-118"><span class="linenos">118</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">update</span><span class="p">()</span> <span class="c1"># Trigger a repaint</span>
</span><span id="Node.hoverLeaveEvent-119"><a href="#Node.hoverLeaveEvent-119"><span class="linenos">119</span></a> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">hoverLeaveEvent</span><span class="p">(</span><span class="n">event</span><span class="p">)</span>
</span></pre></div>
</div>
<div class="inherited">
<h5>Inherited Members</h5>
<dl>
<div><dt>PySide6.QtWidgets.QGraphicsItem</dt>
<dd id="Node.acceptDrops" class="function">acceptDrops</dd>
<dd id="Node.acceptHoverEvents" class="function">acceptHoverEvents</dd>
<dd id="Node.acceptTouchEvents" class="function">acceptTouchEvents</dd>
<dd id="Node.acceptedMouseButtons" class="function">acceptedMouseButtons</dd>
<dd id="Node.addToIndex" class="function">addToIndex</dd>
<dd id="Node.advance" class="function">advance</dd>
<dd id="Node.boundingRegion" class="function">boundingRegion</dd>
<dd id="Node.boundingRegionGranularity" class="function">boundingRegionGranularity</dd>
<dd id="Node.cacheMode" class="function">cacheMode</dd>
<dd id="Node.childItems" class="function">childItems</dd>
<dd id="Node.childrenBoundingRect" class="function">childrenBoundingRect</dd>
<dd id="Node.clearFocus" class="function">clearFocus</dd>
<dd id="Node.clipPath" class="function">clipPath</dd>
<dd id="Node.collidesWithItem" class="function">collidesWithItem</dd>
<dd id="Node.collidesWithPath" class="function">collidesWithPath</dd>
<dd id="Node.collidingItems" class="function">collidingItems</dd>
<dd id="Node.commonAncestorItem" class="function">commonAncestorItem</dd>
<dd id="Node.contains" class="function">contains</dd>
<dd id="Node.contextMenuEvent" class="function">contextMenuEvent</dd>
<dd id="Node.cursor" class="function">cursor</dd>
<dd id="Node.deviceTransform" class="function">deviceTransform</dd>
<dd id="Node.dragEnterEvent" class="function">dragEnterEvent</dd>
<dd id="Node.dragLeaveEvent" class="function">dragLeaveEvent</dd>
<dd id="Node.dragMoveEvent" class="function">dragMoveEvent</dd>
<dd id="Node.dropEvent" class="function">dropEvent</dd>
<dd id="Node.effectiveOpacity" class="function">effectiveOpacity</dd>
<dd id="Node.ensureVisible" class="function">ensureVisible</dd>
<dd id="Node.extension" class="function">extension</dd>
<dd id="Node.filtersChildEvents" class="function">filtersChildEvents</dd>
<dd id="Node.flags" class="function">flags</dd>
<dd id="Node.focusInEvent" class="function">focusInEvent</dd>
<dd id="Node.focusItem" class="function">focusItem</dd>
<dd id="Node.focusOutEvent" class="function">focusOutEvent</dd>
<dd id="Node.focusProxy" class="function">focusProxy</dd>
<dd id="Node.focusScopeItem" class="function">focusScopeItem</dd>
<dd id="Node.grabKeyboard" class="function">grabKeyboard</dd>
<dd id="Node.grabMouse" class="function">grabMouse</dd>
<dd id="Node.graphicsEffect" class="function">graphicsEffect</dd>
<dd id="Node.group" class="function">group</dd>
<dd id="Node.handlesChildEvents" class="function">handlesChildEvents</dd>
<dd id="Node.hasCursor" class="function">hasCursor</dd>
<dd id="Node.hasFocus" class="function">hasFocus</dd>
<dd id="Node.hide" class="function">hide</dd>
<dd id="Node.hoverMoveEvent" class="function">hoverMoveEvent</dd>
<dd id="Node.inputMethodEvent" class="function">inputMethodEvent</dd>
<dd id="Node.inputMethodHints" class="function">inputMethodHints</dd>
<dd id="Node.inputMethodQuery" class="function">inputMethodQuery</dd>
<dd id="Node.installSceneEventFilter" class="function">installSceneEventFilter</dd>
<dd id="Node.isActive" class="function">isActive</dd>
<dd id="Node.isAncestorOf" class="function">isAncestorOf</dd>
<dd id="Node.isBlockedByModalPanel" class="function">isBlockedByModalPanel</dd>
<dd id="Node.isClipped" class="function">isClipped</dd>
<dd id="Node.isEnabled" class="function">isEnabled</dd>
<dd id="Node.isObscured" class="function">isObscured</dd>
<dd id="Node.isObscuredBy" class="function">isObscuredBy</dd>
<dd id="Node.isPanel" class="function">isPanel</dd>
<dd id="Node.isSelected" class="function">isSelected</dd>
<dd id="Node.isUnderMouse" class="function">isUnderMouse</dd>
<dd id="Node.isVisible" class="function">isVisible</dd>
<dd id="Node.isVisibleTo" class="function">isVisibleTo</dd>
<dd id="Node.isWidget" class="function">isWidget</dd>
<dd id="Node.isWindow" class="function">isWindow</dd>
<dd id="Node.itemTransform" class="function">itemTransform</dd>
<dd id="Node.keyPressEvent" class="function">keyPressEvent</dd>
<dd id="Node.keyReleaseEvent" class="function">keyReleaseEvent</dd>
<dd id="Node.mapFromItem" class="function">mapFromItem</dd>
<dd id="Node.mapFromParent" class="function">mapFromParent</dd>
<dd id="Node.mapFromScene" class="function">mapFromScene</dd>
<dd id="Node.mapRectFromItem" class="function">mapRectFromItem</dd>
<dd id="Node.mapRectFromParent" class="function">mapRectFromParent</dd>
<dd id="Node.mapRectFromScene" class="function">mapRectFromScene</dd>
<dd id="Node.mapRectToItem" class="function">mapRectToItem</dd>
<dd id="Node.mapRectToParent" class="function">mapRectToParent</dd>
<dd id="Node.mapRectToScene" class="function">mapRectToScene</dd>
<dd id="Node.mapToItem" class="function">mapToItem</dd>
<dd id="Node.mapToParent" class="function">mapToParent</dd>
<dd id="Node.mapToScene" class="function">mapToScene</dd>
<dd id="Node.mouseDoubleClickEvent" class="function">mouseDoubleClickEvent</dd>
<dd id="Node.moveBy" class="function">moveBy</dd>
<dd id="Node.opacity" class="function">opacity</dd>
<dd id="Node.opaqueArea" class="function">opaqueArea</dd>
<dd id="Node.panel" class="function">panel</dd>
<dd id="Node.panelModality" class="function">panelModality</dd>
<dd id="Node.parentItem" class="function">parentItem</dd>
<dd id="Node.parentObject" class="function">parentObject</dd>
<dd id="Node.parentWidget" class="function">parentWidget</dd>
<dd id="Node.pos" class="function">pos</dd>
<dd id="Node.prepareGeometryChange" class="function">prepareGeometryChange</dd>
<dd id="Node.removeFromIndex" class="function">removeFromIndex</dd>
<dd id="Node.removeSceneEventFilter" class="function">removeSceneEventFilter</dd>
<dd id="Node.resetTransform" class="function">resetTransform</dd>
<dd id="Node.rotation" class="function">rotation</dd>
<dd id="Node.scale" class="function">scale</dd>
<dd id="Node.scene" class="function">scene</dd>
<dd id="Node.sceneBoundingRect" class="function">sceneBoundingRect</dd>
<dd id="Node.sceneEvent" class="function">sceneEvent</dd>
<dd id="Node.sceneEventFilter" class="function">sceneEventFilter</dd>
<dd id="Node.scenePos" class="function">scenePos</dd>
<dd id="Node.sceneTransform" class="function">sceneTransform</dd>
<dd id="Node.scroll" class="function">scroll</dd>
<dd id="Node.setAcceptDrops" class="function">setAcceptDrops</dd>
<dd id="Node.setAcceptHoverEvents" class="function">setAcceptHoverEvents</dd>
<dd id="Node.setAcceptTouchEvents" class="function">setAcceptTouchEvents</dd>
<dd id="Node.setAcceptedMouseButtons" class="function">setAcceptedMouseButtons</dd>
<dd id="Node.setActive" class="function">setActive</dd>
<dd id="Node.setBoundingRegionGranularity" class="function">setBoundingRegionGranularity</dd>
<dd id="Node.setCacheMode" class="function">setCacheMode</dd>
<dd id="Node.setCursor" class="function">setCursor</dd>
<dd id="Node.setData" class="function">setData</dd>
<dd id="Node.setEnabled" class="function">setEnabled</dd>
<dd id="Node.setFiltersChildEvents" class="function">setFiltersChildEvents</dd>
<dd id="Node.setFlag" class="function">setFlag</dd>
<dd id="Node.setFlags" class="function">setFlags</dd>
<dd id="Node.setFocus" class="function">setFocus</dd>
<dd id="Node.setFocusProxy" class="function">setFocusProxy</dd>
<dd id="Node.setGraphicsEffect" class="function">setGraphicsEffect</dd>
<dd id="Node.setGroup" class="function">setGroup</dd>
<dd id="Node.setHandlesChildEvents" class="function">setHandlesChildEvents</dd>
<dd id="Node.setInputMethodHints" class="function">setInputMethodHints</dd>
<dd id="Node.setOpacity" class="function">setOpacity</dd>
<dd id="Node.setPanelModality" class="function">setPanelModality</dd>
<dd id="Node.setParentItem" class="function">setParentItem</dd>
<dd id="Node.setPos" class="function">setPos</dd>
<dd id="Node.setRotation" class="function">setRotation</dd>
<dd id="Node.setScale" class="function">setScale</dd>
<dd id="Node.setSelected" class="function">setSelected</dd>
<dd id="Node.setToolTip" class="function">setToolTip</dd>
<dd id="Node.setTransform" class="function">setTransform</dd>
<dd id="Node.setTransformOriginPoint" class="function">setTransformOriginPoint</dd>
<dd id="Node.setTransformations" class="function">setTransformations</dd>
<dd id="Node.setVisible" class="function">setVisible</dd>
<dd id="Node.setX" class="function">setX</dd>
<dd id="Node.setY" class="function">setY</dd>
<dd id="Node.setZValue" class="function">setZValue</dd>
<dd id="Node.shape" class="function">shape</dd>
<dd id="Node.show" class="function">show</dd>
<dd id="Node.stackBefore" class="function">stackBefore</dd>
<dd id="Node.toGraphicsObject" class="function">toGraphicsObject</dd>
<dd id="Node.toolTip" class="function">toolTip</dd>
<dd id="Node.topLevelItem" class="function">topLevelItem</dd>
<dd id="Node.topLevelWidget" class="function">topLevelWidget</dd>
<dd id="Node.transform" class="function">transform</dd>
<dd id="Node.transformOriginPoint" class="function">transformOriginPoint</dd>
<dd id="Node.transformations" class="function">transformations</dd>
<dd id="Node.type" class="function">type</dd>
<dd id="Node.ungrabKeyboard" class="function">ungrabKeyboard</dd>
<dd id="Node.ungrabMouse" class="function">ungrabMouse</dd>
<dd id="Node.unsetCursor" class="function">unsetCursor</dd>
<dd id="Node.update" class="function">update</dd>
<dd id="Node.updateMicroFocus" class="function">updateMicroFocus</dd>
<dd id="Node.wheelEvent" class="function">wheelEvent</dd>
<dd id="Node.window" class="function">window</dd>
<dd id="Node.x" class="function">x</dd>
<dd id="Node.y" class="function">y</dd>
<dd id="Node.zValue" class="function">zValue</dd>
<dd id="Node.GraphicsItemFlag" class="class">GraphicsItemFlag</dd>
<dd id="Node.GraphicsItemChange" class="class">GraphicsItemChange</dd>
<dd id="Node.CacheMode" class="class">CacheMode</dd>
<dd id="Node.PanelModality" class="class">PanelModality</dd>
<dd id="Node.Extension" class="class">Extension</dd>
<dd id="Node.UserType" class="variable">UserType</dd>
</div>
</dl>
</div>
</section>