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<h1>Source code for desktop.colors</h1><div class="highlight"><pre>
<span class="sd">"""Color handling.</span>
<span class="sd">Utilities for handle color data and conversions.</span>
<span class="sd">"""</span>
<span class="c"># XOColor from Sugar Toolkit:</span>
<span class="c"># Copyright (C) 2006-2007 Red Hat, Inc.</span>
<span class="c">#</span>
<span class="c"># Adaptation and more:</span>
<span class="c"># Copyright (C) 2012 Daniel Francis</span>
<span class="c">#</span>
<span class="c"># This program is free software; you can redistribute it and/or modify</span>
<span class="c"># it under the terms of the GNU General Public License as published by</span>
<span class="c"># the Free Software Foundation; either version 3 of the License, or</span>
<span class="c"># (at your option) any later version.</span>
<span class="c">#</span>
<span class="c"># This program is distributed in the hope that it will be useful,</span>
<span class="c"># but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<span class="c"># MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<span class="c"># GNU General Public License for more details.</span>
<span class="c">#</span>
<span class="c"># You should have received a copy of the GNU General Public License</span>
<span class="c"># along with this program; if not, write to the Free Software</span>
<span class="c"># Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,</span>
<span class="c"># MA 02110-1301, USA.</span>
<span class="kn">import</span> <span class="nn">logging</span>
<span class="n">logger</span> <span class="o">=</span> <span class="n">logging</span><span class="o">.</span><span class="n">getLogger</span><span class="p">(</span><span class="s">'colors'</span><span class="p">)</span>
<span class="c"># Part from Sugar Toolkit with very few adaptations.</span>
<span class="k">def</span> <span class="nf">_parse_string</span><span class="p">(</span><span class="n">color_string</span><span class="p">):</span>
<span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">color_string</span><span class="p">,</span> <span class="p">(</span><span class="nb">str</span><span class="p">,</span> <span class="nb">unicode</span><span class="p">)):</span>
<span class="n">logging</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="s">'Invalid color string: </span><span class="si">%r</span><span class="s">'</span><span class="p">,</span> <span class="n">color_string</span><span class="p">)</span>
<span class="k">return</span> <span class="bp">None</span>
<span class="k">if</span> <span class="n">color_string</span> <span class="o">==</span> <span class="s">'white'</span><span class="p">:</span>
<span class="k">return</span> <span class="p">[</span><span class="s">'#ffffff'</span><span class="p">,</span> <span class="s">'#414141'</span><span class="p">]</span>
<span class="k">elif</span> <span class="n">color_string</span> <span class="o">==</span> <span class="s">'insensitive'</span><span class="p">:</span>
<span class="k">return</span> <span class="p">[</span><span class="s">'#ffffff'</span><span class="p">,</span> <span class="s">'#e2e2e2'</span><span class="p">]</span>
<span class="n">splitted</span> <span class="o">=</span> <span class="n">color_string</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s">','</span><span class="p">)</span>
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">splitted</span><span class="p">)</span> <span class="o">==</span> <span class="mi">2</span><span class="p">:</span>
<span class="k">return</span> <span class="p">[</span><span class="n">splitted</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">splitted</span><span class="p">[</span><span class="mi">1</span><span class="p">]]</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">return</span> <span class="bp">None</span>
<div class="viewcode-block" id="is_valid"><a class="viewcode-back" href="../../sweetener.html#desktop.colors.is_valid">[docs]</a><span class="k">def</span> <span class="nf">is_valid</span><span class="p">(</span><span class="n">color_string</span><span class="p">):</span>
<span class="k">return</span> <span class="p">(</span><span class="n">_parse_string</span><span class="p">(</span><span class="n">color_string</span><span class="p">)</span> <span class="o">!=</span> <span class="bp">None</span><span class="p">)</span>
</div>
<div class="viewcode-block" id="XoColor"><a class="viewcode-back" href="../../sweetener.html#desktop.colors.XoColor">[docs]</a><span class="k">class</span> <span class="nc">XoColor</span><span class="p">:</span>
<span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">color_string</span><span class="p">):</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">is_valid</span><span class="p">(</span><span class="n">color_string</span><span class="p">):</span>
<span class="n">logger</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="s">'Color string is not valid: </span><span class="si">%s</span><span class="s">, '</span>
<span class="s">'fallback to default'</span><span class="p">,</span> <span class="n">color_string</span><span class="p">)</span>
<span class="k">raise</span> <span class="ne">Exception</span>
<span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">stroke</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">fill</span><span class="p">]</span> <span class="o">=</span> <span class="n">_parse_string</span><span class="p">(</span><span class="n">color_string</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">__cmp__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">other</span><span class="p">):</span>
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">other</span><span class="p">,</span> <span class="n">XoColor</span><span class="p">):</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">stroke</span> <span class="o">==</span> <span class="n">other</span><span class="o">.</span><span class="n">stroke</span> <span class="ow">and</span> <span class="bp">self</span><span class="o">.</span><span class="n">fill</span> <span class="o">==</span> <span class="n">other</span><span class="o">.</span><span class="n">fill</span><span class="p">:</span>
<span class="k">return</span> <span class="mi">0</span>
<span class="k">return</span> <span class="o">-</span><span class="mi">1</span>
<div class="viewcode-block" id="XoColor.get_stroke_color"><a class="viewcode-back" href="../../sweetener.html#desktop.colors.XoColor.get_stroke_color">[docs]</a> <span class="k">def</span> <span class="nf">get_stroke_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">stroke</span>
</div>
<div class="viewcode-block" id="XoColor.get_fill_color"><a class="viewcode-back" href="../../sweetener.html#desktop.colors.XoColor.get_fill_color">[docs]</a> <span class="k">def</span> <span class="nf">get_fill_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">fill</span>
</div>
<div class="viewcode-block" id="XoColor.to_string"><a class="viewcode-back" href="../../sweetener.html#desktop.colors.XoColor.to_string">[docs]</a> <span class="k">def</span> <span class="nf">to_string</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">return</span> <span class="s">'</span><span class="si">%s</span><span class="s">,</span><span class="si">%s</span><span class="s">'</span> <span class="o">%</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">stroke</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">fill</span><span class="p">)</span>
<span class="c"># Added in Sweetener</span></div></div>
<div class="viewcode-block" id="color2string"><a class="viewcode-back" href="../../sweetener.html#desktop.colors.color2string">[docs]</a><span class="k">def</span> <span class="nf">color2string</span><span class="p">(</span><span class="n">color</span><span class="p">):</span>
<span class="sd">"""Converts a GdkColor to a RGB string</span>
<span class="sd"> color -- gtk.gdk.Color</span>
<span class="sd"> """</span>
<span class="n">color_string</span> <span class="o">=</span> <span class="p">[</span><span class="s">"#"</span><span class="p">]</span>
<span class="n">color_string</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">"</span><span class="si">%02x</span><span class="s">"</span> <span class="o">%</span> <span class="p">(</span><span class="n">color</span><span class="o">.</span><span class="n">red</span> <span class="o">/</span> <span class="mi">256</span><span class="p">))</span>
<span class="n">color_string</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">"</span><span class="si">%02x</span><span class="s">"</span> <span class="o">%</span> <span class="p">(</span><span class="n">color</span><span class="o">.</span><span class="n">green</span> <span class="o">/</span> <span class="mi">256</span><span class="p">))</span>
<span class="n">color_string</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s">"</span><span class="si">%02x</span><span class="s">"</span> <span class="o">%</span> <span class="p">(</span><span class="n">color</span><span class="o">.</span><span class="n">blue</span> <span class="o">/</span> <span class="mi">256</span><span class="p">))</span>
<span class="n">string</span> <span class="o">=</span> <span class="s">""</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">color_string</span><span class="p">)</span>
<span class="c">#logger.debug(str(color) + ' ' + string)</span>
<span class="k">return</span> <span class="n">string</span></div>
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