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<h1>Source code for terminatorlib.editablelabel</h1><div class="highlight"><pre>
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<span class="c">#!/usr/bin/env python</span>
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<span class="c"># vim: tabstop=4 softtabstop=4 shiftwidth=4 expandtab</span>
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<span class="c">#</span>
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<span class="c"># Copyright (c) 2009, Emmanuel Bretelle <chantra@debuntu.org></span>
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<span class="c">#</span>
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<span class="c"># This program is free software; you can redistribute it and/or modify</span>
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<span class="c"># it under the terms of the GNU General Public License as published by</span>
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<span class="c"># the Free Software Foundation, version 2 only.</span>
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<span class="c">#</span>
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<span class="c"># This program is distributed in the hope that it will be useful,</span>
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<span class="c"># but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
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<span class="c"># MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
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<span class="c"># GNU General Public License for more details.</span>
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<span class="c">#</span>
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<span class="c"># You should have received a copy of the GNU General Public License</span>
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<span class="c"># along with this program; if not, write to the Free Software</span>
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<span class="c"># Foundation, Inc., 51 Franklin Street, Fifth Floor</span>
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<span class="c"># , Boston, MA 02110-1301 USA</span>
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<span class="sd">""" Editable Label class"""</span>
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<span class="kn">import</span> <span class="nn">gtk</span>
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<span class="kn">import</span> <span class="nn">gobject</span>
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<div class="viewcode-block" id="EditableLabel"><a class="viewcode-back" href="../../terminatorlib.html#terminatorlib.editablelabel.EditableLabel">[docs]</a><span class="k">class</span> <span class="nc">EditableLabel</span><span class="p">(</span><span class="n">gtk</span><span class="o">.</span><span class="n">EventBox</span><span class="p">):</span>
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<span class="c"># pylint: disable-msg=W0212</span>
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<span class="c"># pylint: disable-msg=R0904</span>
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<span class="sd">"""</span>
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<span class="sd"> An eventbox that partialy emulate a gtk.Label</span>
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<span class="sd"> On double-click, the label is editable, entering an empty will revert back to automatic text</span>
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<span class="sd"> """</span>
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<span class="n">_label</span> <span class="o">=</span> <span class="bp">None</span>
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<span class="n">_ebox</span> <span class="o">=</span> <span class="bp">None</span>
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<span class="n">_autotext</span> <span class="o">=</span> <span class="bp">None</span>
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<span class="n">_custom</span> <span class="o">=</span> <span class="bp">None</span>
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<span class="n">_entry</span> <span class="o">=</span> <span class="bp">None</span>
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<span class="n">_entry_handler_id</span> <span class="o">=</span> <span class="bp">None</span>
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<span class="n">__gsignals__</span> <span class="o">=</span> <span class="p">{</span>
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<span class="s">'edit-done'</span><span class="p">:</span> <span class="p">(</span><span class="n">gobject</span><span class="o">.</span><span class="n">SIGNAL_RUN_LAST</span><span class="p">,</span> <span class="n">gobject</span><span class="o">.</span><span class="n">TYPE_NONE</span><span class="p">,</span> <span class="p">()),</span>
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<span class="p">}</span>
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<div class="viewcode-block" id="EditableLabel.__init__"><a class="viewcode-back" href="../../terminatorlib.html#terminatorlib.editablelabel.EditableLabel.__init__">[docs]</a> <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">text</span> <span class="o">=</span> <span class="s">""</span><span class="p">):</span>
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<span class="sd">""" Class initialiser"""</span>
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<span class="n">gtk</span><span class="o">.</span><span class="n">EventBox</span><span class="o">.</span><span class="n">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">__gobject_init__</span><span class="p">()</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">_entry_handler_id</span> <span class="o">=</span> <span class="p">[]</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">_label</span> <span class="o">=</span> <span class="n">gtk</span><span class="o">.</span><span class="n">Label</span><span class="p">(</span><span class="n">text</span><span class="p">)</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">_custom</span> <span class="o">=</span> <span class="bp">False</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">set_visible_window</span> <span class="p">(</span><span class="bp">False</span><span class="p">)</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">add</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_label</span><span class="p">)</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">connect</span> <span class="p">(</span><span class="s">"button-press-event"</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_on_click_text</span><span class="p">)</span>
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</div>
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<div class="viewcode-block" id="EditableLabel.set_angle"><a class="viewcode-back" href="../../terminatorlib.html#terminatorlib.editablelabel.EditableLabel.set_angle">[docs]</a> <span class="k">def</span> <span class="nf">set_angle</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">angle</span> <span class="p">):</span>
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<span class="sd">"""set angle of the label"""</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">_label</span><span class="o">.</span><span class="n">set_angle</span><span class="p">(</span> <span class="n">angle</span> <span class="p">)</span>
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</div>
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<div class="viewcode-block" id="EditableLabel.editing"><a class="viewcode-back" href="../../terminatorlib.html#terminatorlib.editablelabel.EditableLabel.editing">[docs]</a> <span class="k">def</span> <span class="nf">editing</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
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<span class="sd">"""Return if we are currently editing"""</span>
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<span class="k">return</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_entry</span> <span class="o">!=</span> <span class="bp">None</span><span class="p">)</span>
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</div>
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<div class="viewcode-block" id="EditableLabel.set_text"><a class="viewcode-back" href="../../terminatorlib.html#terminatorlib.editablelabel.EditableLabel.set_text">[docs]</a> <span class="k">def</span> <span class="nf">set_text</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">text</span><span class="p">,</span> <span class="n">force</span><span class="o">=</span><span class="bp">False</span><span class="p">):</span>
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<span class="sd">"""set the text of the label"""</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">_autotext</span> <span class="o">=</span> <span class="n">text</span>
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<span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_custom</span> <span class="ow">or</span> <span class="n">force</span><span class="p">:</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">_label</span><span class="o">.</span><span class="n">set_text</span><span class="p">(</span><span class="n">text</span><span class="p">)</span>
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</div>
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<div class="viewcode-block" id="EditableLabel.get_text"><a class="viewcode-back" href="../../terminatorlib.html#terminatorlib.editablelabel.EditableLabel.get_text">[docs]</a> <span class="k">def</span> <span class="nf">get_text</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
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<span class="sd">"""get the text from the label"""</span>
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<span class="k">return</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_label</span><span class="o">.</span><span class="n">get_text</span><span class="p">())</span>
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</div>
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<div class="viewcode-block" id="EditableLabel._on_click_text"><a class="viewcode-back" href="../../terminatorlib.html#terminatorlib.editablelabel.EditableLabel._on_click_text">[docs]</a> <span class="k">def</span> <span class="nf">_on_click_text</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">widget</span><span class="p">,</span> <span class="n">event</span><span class="p">):</span>
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<span class="c"># pylint: disable-msg=W0613</span>
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<span class="sd">"""event handling text edition"""</span>
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<span class="k">if</span> <span class="n">event</span><span class="o">.</span><span class="n">button</span> <span class="o">!=</span> <span class="mi">1</span><span class="p">:</span>
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<span class="k">return</span> <span class="bp">False</span>
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<span class="k">if</span> <span class="n">event</span><span class="o">.</span><span class="n">type</span> <span class="o">==</span> <span class="n">gtk</span><span class="o">.</span><span class="n">gdk</span><span class="o">.</span><span class="n">_2BUTTON_PRESS</span><span class="p">:</span>
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<span class="bp">self</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">_label</span><span class="p">)</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">_entry</span> <span class="o">=</span> <span class="n">gtk</span><span class="o">.</span><span class="n">Entry</span> <span class="p">()</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">_entry</span><span class="o">.</span><span class="n">set_text</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_label</span><span class="o">.</span><span class="n">get_text</span> <span class="p">())</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">_entry</span><span class="o">.</span><span class="n">show</span> <span class="p">()</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">add</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_entry</span><span class="p">)</span>
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<span class="n">sig</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_entry</span><span class="o">.</span><span class="n">connect</span> <span class="p">(</span><span class="s">"focus-out-event"</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_entry_to_label</span><span class="p">)</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">_entry_handler_id</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">sig</span><span class="p">)</span>
|
|
<span class="n">sig</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_entry</span><span class="o">.</span><span class="n">connect</span> <span class="p">(</span><span class="s">"activate"</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_on_entry_activated</span><span class="p">)</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">_entry_handler_id</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">sig</span><span class="p">)</span>
|
|
<span class="n">sig</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_entry</span><span class="o">.</span><span class="n">connect</span> <span class="p">(</span><span class="s">"key-press-event"</span><span class="p">,</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">_on_entry_keypress</span><span class="p">)</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">_entry_handler_id</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">sig</span><span class="p">)</span>
|
|
<span class="n">sig</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_entry</span><span class="o">.</span><span class="n">connect</span><span class="p">(</span><span class="s">"button-press-event"</span><span class="p">,</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">_on_entry_buttonpress</span><span class="p">)</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">_entry_handler_id</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">sig</span><span class="p">)</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">_entry</span><span class="o">.</span><span class="n">grab_focus</span> <span class="p">()</span>
|
|
<span class="k">return</span><span class="p">(</span><span class="bp">True</span><span class="p">)</span>
|
|
<span class="k">return</span><span class="p">(</span><span class="bp">False</span><span class="p">)</span>
|
|
</div>
|
|
<div class="viewcode-block" id="EditableLabel._entry_to_label"><a class="viewcode-back" href="../../terminatorlib.html#terminatorlib.editablelabel.EditableLabel._entry_to_label">[docs]</a> <span class="k">def</span> <span class="nf">_entry_to_label</span> <span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">widget</span><span class="p">,</span> <span class="n">event</span><span class="p">):</span>
|
|
<span class="c"># pylint: disable-msg=W0613</span>
|
|
<span class="sd">"""replace gtk.Entry by the gtk.Label"""</span>
|
|
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_entry</span> <span class="ow">and</span> <span class="bp">self</span><span class="o">.</span><span class="n">_entry</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_children</span><span class="p">():</span>
|
|
<span class="c">#disconnect signals to avoid segfault :s</span>
|
|
<span class="k">for</span> <span class="n">sig</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_entry_handler_id</span><span class="p">:</span>
|
|
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_entry</span><span class="o">.</span><span class="n">handler_is_connected</span><span class="p">(</span><span class="n">sig</span><span class="p">):</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">_entry</span><span class="o">.</span><span class="n">disconnect</span><span class="p">(</span><span class="n">sig</span><span class="p">)</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">_entry_handler_id</span> <span class="o">=</span> <span class="p">[]</span>
|
|
<span class="bp">self</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">_entry</span><span class="p">)</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">add</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_label</span><span class="p">)</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">_entry</span> <span class="o">=</span> <span class="bp">None</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">show_all</span> <span class="p">()</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">emit</span><span class="p">(</span><span class="s">'edit-done'</span><span class="p">)</span>
|
|
<span class="c"># Returning False will ensure that focus out event will be sent to</span>
|
|
<span class="c"># GtkEntry so it will disconnect 'state-changed' handler</span>
|
|
<span class="k">return</span><span class="p">(</span><span class="bp">False</span><span class="p">)</span>
|
|
<span class="k">return</span><span class="p">(</span><span class="bp">False</span><span class="p">)</span>
|
|
</div>
|
|
<div class="viewcode-block" id="EditableLabel._on_entry_activated"><a class="viewcode-back" href="../../terminatorlib.html#terminatorlib.editablelabel.EditableLabel._on_entry_activated">[docs]</a> <span class="k">def</span> <span class="nf">_on_entry_activated</span> <span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">widget</span><span class="p">):</span>
|
|
<span class="c"># pylint: disable-msg=W0613</span>
|
|
<span class="sd">"""get the text entered in gtk.Entry"""</span>
|
|
<span class="n">entry</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_entry</span><span class="o">.</span><span class="n">get_text</span> <span class="p">()</span>
|
|
<span class="n">label</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_label</span><span class="o">.</span><span class="n">get_text</span> <span class="p">()</span>
|
|
<span class="k">if</span> <span class="n">entry</span> <span class="o">==</span> <span class="s">''</span><span class="p">:</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">_custom</span> <span class="o">=</span> <span class="bp">False</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">set_text</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_autotext</span><span class="p">)</span>
|
|
<span class="k">elif</span> <span class="n">entry</span> <span class="o">!=</span> <span class="n">label</span><span class="p">:</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">_custom</span> <span class="o">=</span> <span class="bp">True</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">_label</span><span class="o">.</span><span class="n">set_text</span> <span class="p">(</span><span class="n">entry</span><span class="p">)</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">_entry_to_label</span> <span class="p">(</span><span class="bp">None</span><span class="p">,</span> <span class="bp">None</span><span class="p">)</span>
|
|
</div>
|
|
<div class="viewcode-block" id="EditableLabel._on_entry_keypress"><a class="viewcode-back" href="../../terminatorlib.html#terminatorlib.editablelabel.EditableLabel._on_entry_keypress">[docs]</a> <span class="k">def</span> <span class="nf">_on_entry_keypress</span> <span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">widget</span><span class="p">,</span> <span class="n">event</span><span class="p">):</span>
|
|
<span class="c"># pylint: disable-msg=W0613</span>
|
|
<span class="sd">"""handle keypressed in gtk.Entry"""</span>
|
|
<span class="n">key</span> <span class="o">=</span> <span class="n">gtk</span><span class="o">.</span><span class="n">gdk</span><span class="o">.</span><span class="n">keyval_name</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">keyval</span><span class="p">)</span>
|
|
<span class="k">if</span> <span class="n">key</span> <span class="o">==</span> <span class="s">'Escape'</span><span class="p">:</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">_entry_to_label</span> <span class="p">(</span><span class="bp">None</span><span class="p">,</span> <span class="bp">None</span><span class="p">)</span>
|
|
</div>
|
|
<div class="viewcode-block" id="EditableLabel._on_entry_buttonpress"><a class="viewcode-back" href="../../terminatorlib.html#terminatorlib.editablelabel.EditableLabel._on_entry_buttonpress">[docs]</a> <span class="k">def</span> <span class="nf">_on_entry_buttonpress</span> <span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">widget</span><span class="p">,</span> <span class="n">event</span><span class="p">):</span>
|
|
<span class="sd">"""handle button events in gtk.Entry."""</span>
|
|
<span class="c"># Block right clicks to avoid a deadlock.</span>
|
|
<span class="c"># The correct solution here would be for _entry_to_label to trigger a</span>
|
|
<span class="c"># deferred execution handler and for that handler to check if focus is</span>
|
|
<span class="c"># in a GtkMenu. The problem being that we are unable to get a context</span>
|
|
<span class="c"># menu for the GtkEntry.</span>
|
|
<span class="k">if</span> <span class="n">event</span><span class="o">.</span><span class="n">button</span> <span class="o">==</span> <span class="mi">3</span><span class="p">:</span>
|
|
<span class="k">return</span> <span class="bp">True</span>
|
|
</div>
|
|
<div class="viewcode-block" id="EditableLabel.modify_fg"><a class="viewcode-back" href="../../terminatorlib.html#terminatorlib.editablelabel.EditableLabel.modify_fg">[docs]</a> <span class="k">def</span> <span class="nf">modify_fg</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">state</span><span class="p">,</span> <span class="n">color</span><span class="p">):</span>
|
|
<span class="sd">"""Set the label foreground"""</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">_label</span><span class="o">.</span><span class="n">modify_fg</span><span class="p">(</span><span class="n">state</span><span class="p">,</span> <span class="n">color</span><span class="p">)</span>
|
|
</div>
|
|
<div class="viewcode-block" id="EditableLabel.is_custom"><a class="viewcode-back" href="../../terminatorlib.html#terminatorlib.editablelabel.EditableLabel.is_custom">[docs]</a> <span class="k">def</span> <span class="nf">is_custom</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
|
<span class="sd">"""Return whether or not we have a custom string set"""</span>
|
|
<span class="k">return</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_custom</span><span class="p">)</span>
|
|
</div>
|
|
<div class="viewcode-block" id="EditableLabel.set_custom"><a class="viewcode-back" href="../../terminatorlib.html#terminatorlib.editablelabel.EditableLabel.set_custom">[docs]</a> <span class="k">def</span> <span class="nf">set_custom</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
|
<span class="sd">"""Set the customness of the string to True"""</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">_custom</span> <span class="o">=</span> <span class="bp">True</span>
|
|
</div>
|
|
<div class="viewcode-block" id="EditableLabel.modify_font"><a class="viewcode-back" href="../../terminatorlib.html#terminatorlib.editablelabel.EditableLabel.modify_font">[docs]</a> <span class="k">def</span> <span class="nf">modify_font</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">fontdesc</span><span class="p">):</span>
|
|
<span class="sd">"""Set the label font using a pango.FontDescription"""</span>
|
|
<span class="bp">self</span><span class="o">.</span><span class="n">_label</span><span class="o">.</span><span class="n">modify_font</span><span class="p">(</span><span class="n">fontdesc</span><span class="p">)</span>
|
|
</div></div>
|
|
<span class="n">gobject</span><span class="o">.</span><span class="n">type_register</span><span class="p">(</span><span class="n">EditableLabel</span><span class="p">)</span>
|
|
</pre></div>
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