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pyTermTk/_modules/TermTk/TTkWidgets/scrollbar.html

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<h1>Source code for TermTk.TTkWidgets.scrollbar</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;TTkScrollBar&#39;</span><span class="p">]</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.TTkCore.signal</span> <span class="kn">import</span> <span class="n">pyTTkSlot</span><span class="p">,</span> <span class="n">pyTTkSignal</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.TTkWidgets.widget</span> <span class="kn">import</span> <span class="n">TTkWidget</span>
<span class="sd">&#39;&#39;&#39;</span>
<span class="sd"> ref: https://doc.qt.io/qt-5/qscrollbar.html</span>
<span class="sd">&#39;&#39;&#39;</span>
<div class="viewcode-block" id="TTkScrollBar"><a class="viewcode-back" href="../../../autogen.TermTk/TermTk.TTkWidgets.scrollbar.html#TermTk.TTkWidgets.scrollbar.TTkScrollBar">[docs]</a><span class="k">class</span> <span class="nc">TTkScrollBar</span><span class="p">(</span><span class="n">TTkWidget</span><span class="p">):</span>
<span class="sd">&#39;&#39;&#39;TTkScrollBar&#39;&#39;&#39;</span>
<span class="n">classStyle</span> <span class="o">=</span> <span class="p">{</span>
<span class="s1">&#39;default&#39;</span><span class="p">:</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="s1">&#39;disabled&#39;</span><span class="p">:</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">fg</span><span class="p">(</span><span class="s1">&#39;#888888&#39;</span><span class="p">)},</span>
<span class="s1">&#39;focus&#39;</span><span class="p">:</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">fg</span><span class="p">(</span><span class="s1">&#39;#cccc00&#39;</span><span class="p">)},</span>
<span class="p">}</span>
<span class="vm">__slots__</span> <span class="o">=</span> <span class="p">(</span>
<span class="s1">&#39;_orientation&#39;</span><span class="p">,</span>
<span class="s1">&#39;_minimum&#39;</span><span class="p">,</span> <span class="s1">&#39;_maximum&#39;</span><span class="p">,</span>
<span class="s1">&#39;_singleStep&#39;</span><span class="p">,</span> <span class="s1">&#39;_pageStep&#39;</span><span class="p">,</span>
<span class="s1">&#39;_value&#39;</span><span class="p">,</span>
<span class="s1">&#39;_draggable&#39;</span><span class="p">,</span> <span class="s1">&#39;_mouseDelta&#39;</span><span class="p">,</span>
<span class="c1"># Those Vars are required to handle the mouseclick</span>
<span class="c1"># |-----| Screen Pg Down</span>
<span class="c1"># |---| Screen Scroller</span>
<span class="c1"># |-----| Screen Pg Up</span>
<span class="c1"># &lt;------|XXX|-----&gt;</span>
<span class="s1">&#39;_screenPgDown&#39;</span><span class="p">,</span><span class="s1">&#39;_screenPgUp&#39;</span><span class="p">,</span><span class="s1">&#39;_screenScroller&#39;</span><span class="p">,</span>
<span class="c1"># Signals</span>
<span class="s1">&#39;valueChanged&#39;</span><span class="p">,</span> <span class="s1">&#39;rangeChanged&#39;</span><span class="p">,</span> <span class="s1">&#39;sliderMoved&#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="n">TTkWidget</span><span class="o">.</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="c1"># Define Signals</span>
<span class="bp">self</span><span class="o">.</span><span class="n">valueChanged</span> <span class="o">=</span> <span class="n">pyTTkSignal</span><span class="p">(</span><span class="nb">int</span><span class="p">)</span> <span class="c1"># Value</span>
<span class="bp">self</span><span class="o">.</span><span class="n">rangeChanged</span> <span class="o">=</span> <span class="n">pyTTkSignal</span><span class="p">(</span><span class="nb">int</span><span class="p">,</span> <span class="nb">int</span><span class="p">)</span> <span class="c1"># Min, Max</span>
<span class="bp">self</span><span class="o">.</span><span class="n">sliderMoved</span> <span class="o">=</span> <span class="n">pyTTkSignal</span><span class="p">(</span><span class="nb">int</span><span class="p">)</span> <span class="c1"># Value</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_orientation</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;orientation&#39;</span> <span class="p">,</span> <span class="n">TTkK</span><span class="o">.</span><span class="n">VERTICAL</span> <span class="p">)</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_orientation</span> <span class="o">==</span> <span class="n">TTkK</span><span class="o">.</span><span class="n">VERTICAL</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">setMaximumWidth</span><span class="p">(</span><span class="mi">1</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">setMinimumSize</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span><span class="mi">3</span><span class="p">)</span>
<span class="k">else</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">setMaximumHeight</span><span class="p">(</span><span class="mi">1</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">setMinimumSize</span><span class="p">(</span><span class="mi">3</span><span class="p">,</span><span class="mi">1</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_minimum</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;minimum&#39;</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">_maximum</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;maximum&#39;</span> <span class="p">,</span> <span class="mi">99</span> <span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_singleStep</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;singleStep&#39;</span> <span class="p">,</span> <span class="mi">1</span> <span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_pageStep</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;pageStep&#39;</span> <span class="p">,</span> <span class="mi">10</span> <span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_value</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;value&#39;</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">_screenPgDown</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="bp">self</span><span class="o">.</span><span class="n">_screenPgUp</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="bp">self</span><span class="o">.</span><span class="n">_screenScroller</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="bp">self</span><span class="o">.</span><span class="n">_draggable</span> <span class="o">=</span> <span class="kc">False</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_mouseDelta</span> <span class="o">=</span> <span class="mi">0</span>
<span class="bp">self</span><span class="o">.</span><span class="n">setFocusPolicy</span><span class="p">(</span><span class="n">TTkK</span><span class="o">.</span><span class="n">ClickFocus</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">orientation</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">_orientation</span>
<span class="sd">&#39;&#39;&#39;</span>
<span class="sd"> | min | max</span>
<span class="sd"> &lt;-----XXXXX--------&gt; scrollbar</span>
<span class="sd"> |------------------| size = widt or height</span>
<span class="sd"> |----------------| size2 = widt or height - 2 (removed the ending arrows)</span>
<span class="sd"> |------------| workingSize = max - min</span>
<span class="sd"> |----------------| drawingSize = max - min + pageStep</span>
<span class="sd"> a---b slider = [a=value-min, b=a+pageStep]</span>
<span class="sd"> |---| pageStep, asciiStep (step size in ascii)</span>
<span class="sd"> &#39;&#39;&#39;</span>
<div class="viewcode-block" id="TTkScrollBar.paintEvent"><a class="viewcode-back" href="../../../autogen.TermTk/TermTk.TTkWidgets.scrollbar.html#TermTk.TTkWidgets.scrollbar.TTkScrollBar.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="n">style</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">currentStyle</span><span class="p">()</span>
<span class="n">color</span> <span class="o">=</span> <span class="n">style</span><span class="p">[</span><span class="s1">&#39;color&#39;</span><span class="p">]</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_orientation</span> <span class="o">==</span> <span class="n">TTkK</span><span class="o">.</span><span class="n">VERTICAL</span><span class="p">:</span>
<span class="n">size</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_height</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">size</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_width</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_maximum</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">_minimum</span><span class="p">:</span>
<span class="c1"># Special case where no scroll is needed</span>
<span class="n">aa</span><span class="o">=</span><span class="mi">0</span>
<span class="n">bb</span><span class="o">=</span><span class="n">size</span><span class="o">-</span><span class="mi">2</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">size2</span> <span class="o">=</span> <span class="n">size</span><span class="o">-</span><span class="mi">2</span>
<span class="n">asciiStep</span> <span class="o">=</span> <span class="n">size2</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">_pageStep</span> <span class="o">//</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_maximum</span> <span class="o">-</span> <span class="bp">self</span><span class="o">.</span><span class="n">_minimum</span> <span class="o">+</span> <span class="bp">self</span><span class="o">.</span><span class="n">_pageStep</span><span class="p">)</span>
<span class="k">if</span> <span class="n">asciiStep</span><span class="o">==</span><span class="mi">0</span><span class="p">:</span> <span class="n">asciiStep</span><span class="o">=</span><span class="mi">1</span> <span class="c1"># Force the slider to be at least one char wide</span>
<span class="n">asciiDrawingSize</span> <span class="o">=</span> <span class="n">size2</span> <span class="o">-</span> <span class="n">asciiStep</span>
<span class="n">a</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_value</span> <span class="o">-</span> <span class="bp">self</span><span class="o">.</span><span class="n">_minimum</span>
<span class="c1"># convert i screen coordinates</span>
<span class="n">aa</span> <span class="o">=</span> <span class="n">asciiDrawingSize</span> <span class="o">*</span> <span class="n">a</span> <span class="o">//</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_maximum</span> <span class="o">-</span> <span class="bp">self</span><span class="o">.</span><span class="n">_minimum</span><span class="p">)</span>
<span class="n">bb</span> <span class="o">=</span> <span class="n">aa</span> <span class="o">+</span> <span class="n">asciiStep</span>
<span class="n">canvas</span><span class="o">.</span><span class="n">drawScroll</span><span class="p">(</span><span class="n">pos</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">size</span><span class="o">=</span><span class="n">size</span><span class="p">,</span><span class="n">slider</span><span class="o">=</span><span class="p">(</span><span class="n">aa</span><span class="o">+</span><span class="mi">1</span><span class="p">,</span><span class="n">bb</span><span class="o">+</span><span class="mi">1</span><span class="p">),</span><span class="n">orientation</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_orientation</span><span class="p">,</span> <span class="n">color</span><span class="o">=</span><span class="n">color</span><span class="p">)</span>
<span class="c1"># Update the screen position coordinates</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_screenPgDown</span> <span class="o">=</span> <span class="p">(</span> <span class="mi">1</span> <span class="p">,</span> <span class="n">aa</span><span class="o">+</span><span class="mi">1</span> <span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_screenScroller</span> <span class="o">=</span> <span class="p">(</span> <span class="n">aa</span><span class="o">+</span><span class="mi">1</span> <span class="p">,</span> <span class="n">bb</span><span class="o">+</span><span class="mi">1</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_screenPgUp</span> <span class="o">=</span> <span class="p">(</span> <span class="n">bb</span><span class="o">+</span><span class="mi">1</span> <span class="p">,</span> <span class="n">size</span><span class="o">-</span><span class="mi">1</span> <span class="p">)</span></div>
<span class="c1"># TTkLog.debug(f&quot;aa:{aa} bb:{bb}, a:{a}, size2:{size2}&quot;)</span>
<div class="viewcode-block" id="TTkScrollBar.wheelEvent"><a class="viewcode-back" href="../../../autogen.TermTk/TermTk.TTkWidgets.scrollbar.html#TermTk.TTkWidgets.scrollbar.TTkScrollBar.wheelEvent">[docs]</a> <span class="k">def</span> <span class="nf">wheelEvent</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">evt</span><span class="p">):</span>
<span class="k">if</span> <span class="n">evt</span><span class="o">.</span><span class="n">evt</span> <span class="o">==</span> <span class="n">TTkK</span><span class="o">.</span><span class="n">WHEEL_Up</span><span class="p">:</span>
<span class="n">value</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_value</span><span class="o">-</span><span class="bp">self</span><span class="o">.</span><span class="n">_pageStep</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">value</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_value</span><span class="o">+</span><span class="bp">self</span><span class="o">.</span><span class="n">_pageStep</span>
<span class="bp">self</span><span class="o">.</span><span class="n">setValue</span><span class="p">(</span><span class="nb">max</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_minimum</span><span class="p">,</span><span class="nb">min</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_maximum</span><span class="p">,</span><span class="n">value</span><span class="p">)))</span>
<span class="bp">self</span><span class="o">.</span><span class="n">sliderMoved</span><span class="o">.</span><span class="n">emit</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_value</span><span class="p">)</span>
<span class="k">return</span> <span class="kc">True</span></div>
<div class="viewcode-block" id="TTkScrollBar.mousePressEvent"><a class="viewcode-back" href="../../../autogen.TermTk/TermTk.TTkWidgets.scrollbar.html#TermTk.TTkWidgets.scrollbar.TTkScrollBar.mousePressEvent">[docs]</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">evt</span><span class="p">):</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_orientation</span> <span class="o">==</span> <span class="n">TTkK</span><span class="o">.</span><span class="n">VERTICAL</span><span class="p">:</span>
<span class="n">size</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_height</span>
<span class="n">mouse</span> <span class="o">=</span> <span class="n">evt</span><span class="o">.</span><span class="n">y</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">size</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_width</span>
<span class="n">mouse</span> <span class="o">=</span> <span class="n">evt</span><span class="o">.</span><span class="n">x</span>
<span class="k">if</span> <span class="n">mouse</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span> <span class="c1"># left/up arrow pressed</span>
<span class="bp">self</span><span class="o">.</span><span class="n">setValue</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_value</span> <span class="o">-</span> <span class="bp">self</span><span class="o">.</span><span class="n">_singleStep</span><span class="p">)</span>
<span class="k">elif</span> <span class="n">mouse</span> <span class="o">==</span> <span class="n">size</span><span class="o">-</span><span class="mi">1</span><span class="p">:</span> <span class="c1"># right/down arrow pressed</span>
<span class="bp">self</span><span class="o">.</span><span class="n">setValue</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_value</span> <span class="o">+</span> <span class="bp">self</span><span class="o">.</span><span class="n">_singleStep</span><span class="p">)</span>
<span class="k">elif</span> <span class="bp">self</span><span class="o">.</span><span class="n">_screenPgDown</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">&lt;=</span> <span class="n">mouse</span> <span class="o">&lt;</span> <span class="bp">self</span><span class="o">.</span><span class="n">_screenPgDown</span><span class="p">[</span><span class="mi">1</span><span class="p">]:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">setValue</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_value</span> <span class="o">-</span> <span class="bp">self</span><span class="o">.</span><span class="n">_pageStep</span><span class="p">)</span>
<span class="k">elif</span> <span class="bp">self</span><span class="o">.</span><span class="n">_screenPgUp</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">&lt;=</span> <span class="n">mouse</span> <span class="o">&lt;</span> <span class="bp">self</span><span class="o">.</span><span class="n">_screenPgUp</span><span class="p">[</span><span class="mi">1</span><span class="p">]:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">setValue</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_value</span> <span class="o">+</span> <span class="bp">self</span><span class="o">.</span><span class="n">_pageStep</span><span class="p">)</span>
<span class="k">elif</span> <span class="bp">self</span><span class="o">.</span><span class="n">_screenScroller</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">&lt;=</span> <span class="n">mouse</span> <span class="o">&lt;</span> <span class="bp">self</span><span class="o">.</span><span class="n">_screenScroller</span><span class="p">[</span><span class="mi">1</span><span class="p">]:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_mouseDelta</span> <span class="o">=</span> <span class="n">mouse</span><span class="o">-</span><span class="bp">self</span><span class="o">.</span><span class="n">_screenScroller</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">_draggable</span> <span class="o">=</span> <span class="kc">True</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">return</span> <span class="kc">False</span>
<span class="bp">self</span><span class="o">.</span><span class="n">setValue</span><span class="p">(</span><span class="nb">max</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_minimum</span><span class="p">,</span><span class="nb">min</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_maximum</span><span class="p">,</span><span class="bp">self</span><span class="o">.</span><span class="n">_value</span><span class="p">)))</span>
<span class="bp">self</span><span class="o">.</span><span class="n">sliderMoved</span><span class="o">.</span><span class="n">emit</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_value</span><span class="p">)</span>
<span class="c1"># TTkLog.debug(f&quot;m={mouse}, md:{self._mouseDelta}, d:{self._screenPgDown},u:{self._screenPgUp},s:{self._screenScroller}&quot;)</span>
<span class="k">return</span> <span class="kc">True</span></div>
<div class="viewcode-block" id="TTkScrollBar.mouseDragEvent"><a class="viewcode-back" href="../../../autogen.TermTk/TermTk.TTkWidgets.scrollbar.html#TermTk.TTkWidgets.scrollbar.TTkScrollBar.mouseDragEvent">[docs]</a> <span class="k">def</span> <span class="nf">mouseDragEvent</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">evt</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">_draggable</span><span class="p">:</span> <span class="k">return</span> <span class="kc">False</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_orientation</span> <span class="o">==</span> <span class="n">TTkK</span><span class="o">.</span><span class="n">VERTICAL</span><span class="p">:</span>
<span class="n">size</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_height</span>
<span class="n">mouse</span> <span class="o">=</span> <span class="n">evt</span><span class="o">.</span><span class="n">y</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">size</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_width</span>
<span class="n">mouse</span> <span class="o">=</span> <span class="n">evt</span><span class="o">.</span><span class="n">x</span>
<span class="n">aa</span> <span class="o">=</span> <span class="n">mouse</span><span class="o">-</span><span class="bp">self</span><span class="o">.</span><span class="n">_mouseDelta</span>
<span class="n">size2</span> <span class="o">=</span> <span class="n">size</span><span class="o">-</span><span class="mi">2</span>
<span class="n">asciiStep</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_screenScroller</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span> <span class="o">-</span> <span class="bp">self</span><span class="o">.</span><span class="n">_screenScroller</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
<span class="n">asciiDrawingSize</span> <span class="o">=</span> <span class="n">size2</span> <span class="o">-</span> <span class="n">asciiStep</span>
<span class="n">a</span> <span class="o">=</span> <span class="n">aa</span> <span class="o">*</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_maximum</span> <span class="o">-</span> <span class="bp">self</span><span class="o">.</span><span class="n">_minimum</span><span class="p">)</span> <span class="o">//</span> <span class="n">asciiDrawingSize</span>
<span class="bp">self</span><span class="o">.</span><span class="n">setValue</span><span class="p">(</span><span class="nb">max</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_minimum</span><span class="p">,</span><span class="nb">min</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_maximum</span><span class="p">,</span><span class="n">a</span><span class="o">+</span><span class="bp">self</span><span class="o">.</span><span class="n">_minimum</span><span class="p">)))</span>
<span class="bp">self</span><span class="o">.</span><span class="n">sliderMoved</span><span class="o">.</span><span class="n">emit</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_value</span><span class="p">)</span>
<span class="c1"># TTkLog.debug(f&quot;m={mouse}, md:{self._mouseDelta}, aa:{aa}&quot;)</span>
<span class="k">return</span> <span class="kc">True</span></div>
<span class="k">def</span> <span class="nf">focusInEvent</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">update</span><span class="p">()</span>
<span class="k">def</span> <span class="nf">focusOutEvent</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">update</span><span class="p">()</span>
<div class="viewcode-block" id="TTkScrollBar.singleStep"><a class="viewcode-back" href="../../../autogen.TermTk/TermTk.TTkWidgets.scrollbar.html#TermTk.TTkWidgets.scrollbar.TTkScrollBar.singleStep">[docs]</a> <span class="k">def</span> <span class="nf">singleStep</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">&#39;&#39;&#39;singleStep&#39;&#39;&#39;</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_singleStep</span></div>
<div class="viewcode-block" id="TTkScrollBar.setSingleStep"><a class="viewcode-back" href="../../../autogen.TermTk/TermTk.TTkWidgets.scrollbar.html#TermTk.TTkWidgets.scrollbar.TTkScrollBar.setSingleStep">[docs]</a> <span class="nd">@pyTTkSlot</span><span class="p">(</span><span class="nb">int</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">setSingleStep</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">v</span><span class="p">):</span>
<span class="sd">&#39;&#39;&#39;setSingleStep&#39;&#39;&#39;</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_singleStep</span> <span class="o">=</span> <span class="n">v</span>
<span class="bp">self</span><span class="o">.</span><span class="n">update</span><span class="p">()</span></div>
<div class="viewcode-block" id="TTkScrollBar.pageStep"><a class="viewcode-back" href="../../../autogen.TermTk/TermTk.TTkWidgets.scrollbar.html#TermTk.TTkWidgets.scrollbar.TTkScrollBar.pageStep">[docs]</a> <span class="k">def</span> <span class="nf">pageStep</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">&#39;&#39;&#39;pageStep&#39;&#39;&#39;</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_pageStep</span></div>
<div class="viewcode-block" id="TTkScrollBar.setPageStep"><a class="viewcode-back" href="../../../autogen.TermTk/TermTk.TTkWidgets.scrollbar.html#TermTk.TTkWidgets.scrollbar.TTkScrollBar.setPageStep">[docs]</a> <span class="nd">@pyTTkSlot</span><span class="p">(</span><span class="nb">int</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">setPageStep</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">pageStep</span><span class="p">):</span>
<span class="sd">&#39;&#39;&#39;setPageStep&#39;&#39;&#39;</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_pageStep</span> <span class="o">=</span> <span class="n">pageStep</span>
<span class="bp">self</span><span class="o">.</span><span class="n">update</span><span class="p">()</span></div>
<div class="viewcode-block" id="TTkScrollBar.setRangeTo"><a class="viewcode-back" href="../../../autogen.TermTk/TermTk.TTkWidgets.scrollbar.html#TermTk.TTkWidgets.scrollbar.TTkScrollBar.setRangeTo">[docs]</a> <span class="nd">@pyTTkSlot</span><span class="p">(</span><span class="nb">int</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">setRangeTo</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="nb">max</span><span class="p">):</span>
<span class="sd">&#39;&#39;&#39;setRangeTo&#39;&#39;&#39;</span>
<span class="bp">self</span><span class="o">.</span><span class="n">setRange</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span><span class="nb">max</span><span class="p">)</span></div>
<div class="viewcode-block" id="TTkScrollBar.setRange"><a class="viewcode-back" href="../../../autogen.TermTk/TermTk.TTkWidgets.scrollbar.html#TermTk.TTkWidgets.scrollbar.TTkScrollBar.setRange">[docs]</a> <span class="nd">@pyTTkSlot</span><span class="p">(</span><span class="nb">int</span><span class="p">,</span> <span class="nb">int</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">setRange</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="nb">min</span><span class="p">,</span> <span class="nb">max</span><span class="p">):</span>
<span class="sd">&#39;&#39;&#39;setRange&#39;&#39;&#39;</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_minimum</span> <span class="o">==</span> <span class="nb">min</span> <span class="ow">and</span> \
<span class="bp">self</span><span class="o">.</span><span class="n">_maximum</span> <span class="o">==</span> <span class="nb">max</span> <span class="p">:</span>
<span class="k">return</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_minimum</span> <span class="o">=</span> <span class="nb">min</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_maximum</span> <span class="o">=</span> <span class="nb">max</span>
<span class="bp">self</span><span class="o">.</span><span class="n">rangeChanged</span><span class="o">.</span><span class="n">emit</span><span class="p">(</span><span class="nb">min</span><span class="p">,</span> <span class="nb">max</span><span class="p">)</span></div>
<span class="k">def</span> <span class="nf">minimum</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">_minimum</span>
<span class="k">def</span> <span class="nf">setMinimum</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">v</span><span class="p">):</span>
<span class="k">if</span> <span class="n">v</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">_minimum</span><span class="p">:</span>
<span class="k">return</span>
<span class="k">if</span> <span class="n">v</span> <span class="o">&gt;</span> <span class="bp">self</span><span class="o">.</span><span class="n">_maximum</span><span class="p">:</span>
<span class="n">v</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_maximum</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_minimum</span> <span class="o">=</span> <span class="n">v</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">maximum</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">_maximum</span>
<span class="k">def</span> <span class="nf">setMaximum</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">v</span><span class="p">):</span>
<span class="k">if</span> <span class="n">v</span> <span class="o">==</span> <span class="bp">self</span><span class="o">.</span><span class="n">_maximum</span><span class="p">:</span>
<span class="k">return</span>
<span class="k">if</span> <span class="n">v</span> <span class="o">&lt;</span> <span class="bp">self</span><span class="o">.</span><span class="n">_minimum</span><span class="p">:</span>
<span class="n">v</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_minimum</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_maximum</span> <span class="o">=</span> <span class="n">v</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">value</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">_value</span>
<span class="nd">@pyTTkSlot</span><span class="p">(</span><span class="nb">int</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">setValue</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">v</span><span class="p">):</span>
<span class="n">v</span> <span class="o">=</span> <span class="nb">max</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_minimum</span><span class="p">,</span><span class="nb">min</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_maximum</span><span class="p">,</span><span class="n">v</span><span class="p">))</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_value</span> <span class="o">==</span> <span class="n">v</span><span class="p">:</span> <span class="k">return</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_value</span> <span class="o">=</span> <span class="n">v</span>
<span class="bp">self</span><span class="o">.</span><span class="n">valueChanged</span><span class="o">.</span><span class="n">emit</span><span class="p">(</span><span class="n">v</span><span class="p">)</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">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">focusColor</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">_focusColor</span>
<span class="k">def</span> <span class="nf">setFocusColor</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">_focusColor</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">_focusColor</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></div>
</pre></div>
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