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<h1>Source code for TermTk.TTkWidgets.graph</h1><div class="highlight"><pre>
<span></span><span class="c1"># MIT License</span>
<span class="c1">#</span>
<span class="c1"># Copyright (c) 2021 Eugenio Parodi &lt;ceccopierangiolieugenio AT googlemail DOT com&gt;</span>
<span class="c1">#</span>
<span class="c1"># Permission is hereby granted, free of charge, to any person obtaining a copy</span>
<span class="c1"># of this software and associated documentation files (the &quot;Software&quot;), to deal</span>
<span class="c1"># in the Software without restriction, including without limitation the rights</span>
<span class="c1"># to use, copy, modify, merge, publish, distribute, sublicense, and/or sell</span>
<span class="c1"># copies of the Software, and to permit persons to whom the Software is</span>
<span class="c1"># furnished to do so, subject to the following conditions:</span>
<span class="c1">#</span>
<span class="c1"># The above copyright notice and this permission notice shall be included in all</span>
<span class="c1"># copies or substantial portions of the Software.</span>
<span class="c1">#</span>
<span class="c1"># THE SOFTWARE IS PROVIDED &quot;AS IS&quot;, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR</span>
<span class="c1"># IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span>
<span class="c1"># FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE</span>
<span class="c1"># AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span>
<span class="c1"># LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,</span>
<span class="c1"># OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE</span>
<span class="c1"># SOFTWARE.</span>
<span class="n">__all__</span> <span class="o">=</span> <span class="p">[</span><span class="s1">&#39;TTkGraph&#39;</span><span class="p">]</span>
<span class="c1"># inspired by:</span>
<span class="c1"># https://grafana.com/docs/grafana/latest/panels/visualizations/graph-panel/</span>
<span class="c1"># And of course:</span>
<span class="c1"># https://github.com/aristocratos/bpytop</span>
<span class="kn">from</span> <span class="nn">TermTk.TTkCore.cfg</span> <span class="kn">import</span> <span class="n">TTkCfg</span>
<span class="kn">from</span> <span class="nn">TermTk.TTkCore.color</span> <span class="kn">import</span> <span class="n">TTkColor</span>
<span class="kn">from</span> <span class="nn">TermTk.TTkCore.constant</span> <span class="kn">import</span> <span class="n">TTkK</span>
<span class="kn">from</span> <span class="nn">TermTk.TTkWidgets.widget</span> <span class="kn">import</span> <span class="n">TTkWidget</span>
<div class="viewcode-block" id="TTkGraph"><a class="viewcode-back" href="../../../autogen.TermTk/TermTk.TTkWidgets.graph.html#TermTk.TTkWidgets.graph.TTkGraph">[docs]</a><span class="k">class</span> <span class="nc">TTkGraph</span><span class="p">(</span><span class="n">TTkWidget</span><span class="p">):</span>
<span class="vm">__slots__</span> <span class="o">=</span> <span class="p">(</span><span class="s1">&#39;_data&#39;</span><span class="p">,</span> <span class="s1">&#39;_maxData&#39;</span><span class="p">,</span> <span class="s1">&#39;_offset&#39;</span><span class="p">,</span> <span class="s1">&#39;_direction&#39;</span><span class="p">,</span> <span class="s1">&#39;_align&#39;</span><span class="p">,</span> <span class="s1">&#39;_color&#39;</span><span class="p">)</span>
<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="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</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="p">[[</span><span class="mi">0</span><span class="p">]]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_offset</span> <span class="o">=</span> <span class="mi">0</span>
<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="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_color</span> <span class="o">=</span> <span class="n">kwargs</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">&#39;color&#39;</span><span class="p">,</span> <span class="n">TTkColor</span><span class="o">.</span><span class="n">RST</span> <span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_maxData</span> <span class="o">=</span> <span class="n">kwargs</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">&#39;maxData&#39;</span><span class="p">,</span> <span class="mh">0x1000</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_direction</span> <span class="o">=</span> <span class="n">kwargs</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">&#39;direction&#39;</span><span class="p">,</span> <span class="n">TTkK</span><span class="o">.</span><span class="n">RIGHT</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_align</span> <span class="o">=</span> <span class="n">kwargs</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">&#39;align&#39;</span><span class="p">,</span> <span class="n">TTkK</span><span class="o">.</span><span class="n">CENTER</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">color</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_color</span>
<span class="k">def</span> <span class="nf">setColor</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">color</span><span class="p">):</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_color</span> <span class="o">!=</span> <span class="n">color</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_color</span> <span class="o">=</span> <span class="n">color</span>
<span class="bp">self</span><span class="o">.</span><span class="n">update</span><span class="p">()</span>
<span class="k">def</span> <span class="nf">addValue</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">values</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">append</span><span class="p">(</span><span class="n">values</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">update</span><span class="p">()</span>
<div class="viewcode-block" id="TTkGraph.paintEvent"><a class="viewcode-back" href="../../../autogen.TermTk/TermTk.TTkWidgets.graph.html#TermTk.TTkWidgets.graph.TTkGraph.paintEvent">[docs]</a> <span class="k">def</span> <span class="nf">paintEvent</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">canvas</span><span class="p">):</span>
<span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_data</span><span class="p">:</span> <span class="k">return</span>
<span class="n">w</span><span class="p">,</span><span class="n">h</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">size</span><span class="p">()</span>
<span class="n">x</span><span class="o">=</span><span class="mi">0</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_align</span> <span class="o">==</span> <span class="n">TTkK</span><span class="o">.</span><span class="n">CENTER</span><span class="p">:</span>
<span class="n">y</span> <span class="o">=</span> <span class="n">h</span><span class="o">//</span><span class="mi">2</span>
<span class="k">elif</span> <span class="bp">self</span><span class="o">.</span><span class="n">_align</span> <span class="o">==</span> <span class="n">TTkK</span><span class="o">.</span><span class="n">TOP</span><span class="p">:</span>
<span class="n">y</span> <span class="o">=</span> <span class="mi">0</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">y</span> <span class="o">=</span> <span class="n">h</span>
<span class="n">v1</span><span class="p">,</span><span class="n">v2</span> <span class="o">=</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="n">i</span><span class="o">=</span><span class="mi">0</span>
<span class="n">data</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_data</span><span class="p">[</span><span class="o">-</span><span class="n">w</span><span class="o">*</span><span class="mi">2</span><span class="p">:]</span>
<span class="c1"># TTkLog.debug(data)</span>
<span class="c1"># TODO: use deep unpacking technique to grab couples of values</span>
<span class="c1"># https://mathspp.com/blog/pydonts/enumerate-me#deep-unpacking</span>
<span class="n">mv</span> <span class="o">=</span> <span class="nb">max</span><span class="p">(</span><span class="nb">max</span><span class="p">(</span><span class="nb">map</span><span class="p">(</span><span class="nb">max</span><span class="p">,</span><span class="n">data</span><span class="p">)),</span><span class="o">-</span><span class="nb">min</span><span class="p">(</span><span class="nb">map</span><span class="p">(</span><span class="nb">min</span><span class="p">,</span><span class="n">data</span><span class="p">)))</span>
<span class="n">zoom</span> <span class="o">=</span> <span class="mi">2</span><span class="o">*</span><span class="n">h</span><span class="o">/</span><span class="n">mv</span> <span class="k">if</span> <span class="n">mv</span><span class="o">&gt;</span><span class="mi">0</span> <span class="k">else</span> <span class="mf">1.0</span>
<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="n">data</span><span class="p">)):</span>
<span class="n">v2</span> <span class="o">=</span> <span class="n">v1</span>
<span class="n">v1</span> <span class="o">=</span> <span class="n">data</span><span class="p">[</span><span class="n">i</span><span class="p">]</span>
<span class="k">if</span> <span class="n">i</span><span class="o">%</span><span class="mi">2</span><span class="o">==</span><span class="mi">0</span><span class="p">:</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_direction</span> <span class="o">==</span> <span class="n">TTkK</span><span class="o">.</span><span class="n">RIGHT</span><span class="p">:</span>
<span class="n">canvas</span><span class="o">.</span><span class="n">drawHChart</span><span class="p">(</span><span class="n">pos</span><span class="o">=</span><span class="p">(</span><span class="n">x</span><span class="o">+</span><span class="n">i</span><span class="o">//</span><span class="mi">2</span><span class="p">,</span><span class="n">y</span><span class="p">),</span><span class="n">values</span><span class="o">=</span><span class="p">(</span><span class="n">v2</span><span class="p">,</span><span class="n">v1</span><span class="p">),</span> <span class="n">zoom</span><span class="o">=</span><span class="n">zoom</span><span class="p">,</span> <span class="n">color</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_color</span><span class="o">.</span><span class="n">modParam</span><span class="p">(</span><span class="n">val</span><span class="o">=-</span><span class="n">y</span><span class="p">))</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">canvas</span><span class="o">.</span><span class="n">drawHChart</span><span class="p">(</span><span class="n">pos</span><span class="o">=</span><span class="p">(</span><span class="n">w</span><span class="o">-</span><span class="p">(</span><span class="n">x</span><span class="o">+</span><span class="n">i</span><span class="o">//</span><span class="mi">2</span><span class="p">),</span><span class="n">y</span><span class="p">),</span><span class="n">values</span><span class="o">=</span><span class="p">(</span><span class="n">v1</span><span class="p">,</span><span class="n">v2</span><span class="p">),</span> <span class="n">zoom</span><span class="o">=</span><span class="n">zoom</span><span class="p">,</span> <span class="n">color</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_color</span><span class="o">.</span><span class="n">modParam</span><span class="p">(</span><span class="n">val</span><span class="o">=-</span><span class="n">y</span><span class="p">))</span>
<span class="k">if</span> <span class="n">i</span><span class="o">%</span><span class="mi">2</span><span class="o">==</span><span class="mi">1</span><span class="p">:</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_direction</span> <span class="o">==</span> <span class="n">TTkK</span><span class="o">.</span><span class="n">RIGHT</span><span class="p">:</span>
<span class="n">canvas</span><span class="o">.</span><span class="n">drawHChart</span><span class="p">(</span><span class="n">pos</span><span class="o">=</span><span class="p">(</span><span class="n">x</span><span class="o">+</span><span class="n">i</span><span class="o">//</span><span class="mi">2</span><span class="o">+</span><span class="mi">1</span><span class="p">,</span><span class="n">y</span><span class="p">),</span><span class="n">values</span><span class="o">=</span><span class="p">(</span><span class="n">v1</span><span class="p">,</span><span class="n">v1</span><span class="p">),</span> <span class="n">zoom</span><span class="o">=</span><span class="n">zoom</span><span class="p">,</span> <span class="n">color</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_color</span><span class="o">.</span><span class="n">modParam</span><span class="p">(</span><span class="n">val</span><span class="o">=-</span><span class="n">y</span><span class="p">))</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">canvas</span><span class="o">.</span><span class="n">drawHChart</span><span class="p">(</span><span class="n">pos</span><span class="o">=</span><span class="p">(</span><span class="n">w</span><span class="o">-</span><span class="p">(</span><span class="n">x</span><span class="o">+</span><span class="n">i</span><span class="o">//</span><span class="mi">2</span><span class="o">+</span><span class="mi">1</span><span class="p">),</span><span class="n">y</span><span class="p">),</span><span class="n">values</span><span class="o">=</span><span class="p">(</span><span class="n">v1</span><span class="p">,</span><span class="n">v1</span><span class="p">),</span> <span class="n">zoom</span><span class="o">=</span><span class="n">zoom</span><span class="p">,</span> <span class="n">color</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_color</span><span class="o">.</span><span class="n">modParam</span><span class="p">(</span><span class="n">val</span><span class="o">=-</span><span class="n">y</span><span class="p">))</span></div></div>
</pre></div>
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