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<li class="toctree-l2"><a class="reference internal" href="deprecations.html">Dealing With Deprecations</a></li>
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|
||
<h1>Menus<a class="headerlink" href="#menus" title="Permalink to this headline">#</a></h1>
|
||
<p>In order to create <a class="reference external" href="https://developer.gnome.org/hig/patterns/controls/menus.html">menus</a> in GTK, you
|
||
have to describe the menu structure using the <code class="docutils literal notranslate"><span class="pre">GMenu</span></code> API; each menu item is
|
||
bound to a <a class="reference internal" href="actions.html"><span class="doc">GAction</span></a>.</p>
|
||
<p>It is possible to construct a menu model manually, using the GMenu APIs
|
||
directly. This is a somewhat painful:</p>
|
||
<div class="sphinx-tabs docutils container">
|
||
<div aria-label="Tabbed content" class="closeable" role="tablist"><button aria-controls="panel-0-Qw==" aria-selected="true" class="sphinx-tabs-tab code-tab group-tab" id="tab-0-Qw==" name="Qw==" role="tab" tabindex="0">C</button><button aria-controls="panel-0-UHl0aG9u" aria-selected="false" class="sphinx-tabs-tab code-tab group-tab" id="tab-0-UHl0aG9u" name="UHl0aG9u" role="tab" tabindex="-1">Python</button><button aria-controls="panel-0-SmF2YVNjcmlwdA==" aria-selected="false" class="sphinx-tabs-tab code-tab group-tab" id="tab-0-SmF2YVNjcmlwdA==" name="SmF2YVNjcmlwdA==" role="tab" tabindex="-1">JavaScript</button><button aria-controls="panel-0-VmFsYQ==" aria-selected="false" class="sphinx-tabs-tab code-tab group-tab" id="tab-0-VmFsYQ==" name="VmFsYQ==" role="tab" tabindex="-1">Vala</button><button aria-controls="panel-0-WE1M" aria-selected="false" class="sphinx-tabs-tab code-tab group-tab" id="tab-0-WE1M" name="WE1M" role="tab" tabindex="-1">XML</button></div><div aria-labelledby="tab-0-Qw==" class="sphinx-tabs-panel code-tab group-tab" id="panel-0-Qw==" name="Qw==" role="tabpanel" tabindex="0"><div class="highlight-c notranslate"><div class="highlight"><pre><span></span><span class="n">GMenu</span><span class="w"> </span><span class="o">*</span><span class="n">menu</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">g_menu_new</span><span class="w"> </span><span class="p">();</span><span class="w"></span>
|
||
|
||
<span class="c1">// The "Offensive Spells" section</span>
|
||
<span class="n">GMenu</span><span class="w"> </span><span class="o">*</span><span class="n">section</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">g_menu_new</span><span class="w"> </span><span class="p">();</span><span class="w"></span>
|
||
|
||
<span class="c1">// g_menu_append() creates a menu item for you</span>
|
||
<span class="n">g_menu_append</span><span class="w"> </span><span class="p">(</span><span class="n">section</span><span class="p">,</span><span class="w"> </span><span class="s">"Incendio"</span><span class="p">,</span><span class="w"> </span><span class="s">"app.incendio"</span><span class="p">);</span><span class="w"></span>
|
||
|
||
<span class="n">g_menu_append_section</span><span class="w"> </span><span class="p">(</span><span class="n">menu</span><span class="p">,</span><span class="w"> </span><span class="s">"Offensive Spells"</span><span class="p">,</span><span class="w"> </span><span class="n">section</span><span class="p">);</span><span class="w"></span>
|
||
<span class="n">g_object_unref</span><span class="w"> </span><span class="p">(</span><span class="n">section</span><span class="p">);</span><span class="w"></span>
|
||
|
||
<span class="c1">// The "Defensive Charms" section</span>
|
||
<span class="n">section</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">g_menu_new</span><span class="w"> </span><span class="p">();</span><span class="w"></span>
|
||
|
||
<span class="c1">// An explicit menu item</span>
|
||
<span class="n">GMenuItem</span><span class="w"> </span><span class="o">*</span><span class="n">item</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">g_menu_item_new</span><span class="w"> </span><span class="p">(</span><span class="s">"Expelliarmus"</span><span class="p">,</span><span class="w"> </span><span class="s">"app.expelliarmus"</span><span class="p">);</span><span class="w"></span>
|
||
|
||
<span class="c1">// "defensive_icon" is a GIcon and is defined elsewhere</span>
|
||
<span class="n">g_menu_item_set_icon</span><span class="w"> </span><span class="p">(</span><span class="n">item</span><span class="p">,</span><span class="w"> </span><span class="n">defensive_icon</span><span class="p">);</span><span class="w"></span>
|
||
<span class="n">g_menu_append_item</span><span class="w"> </span><span class="p">(</span><span class="n">section</span><span class="p">,</span><span class="w"> </span><span class="n">item</span><span class="p">);</span><span class="w"></span>
|
||
|
||
<span class="n">g_menu_append_section</span><span class="w"> </span><span class="p">(</span><span class="n">menu</span><span class="p">,</span><span class="w"> </span><span class="s">"Defensive Charms"</span><span class="p">,</span><span class="w"> </span><span class="n">section</span><span class="p">);</span><span class="w"></span>
|
||
<span class="n">g_object_unref</span><span class="w"> </span><span class="p">(</span><span class="n">section</span><span class="p">);</span><span class="w"></span>
|
||
</pre></div>
|
||
</div>
|
||
</div><div aria-labelledby="tab-0-UHl0aG9u" class="sphinx-tabs-panel code-tab group-tab" hidden="true" id="panel-0-UHl0aG9u" name="UHl0aG9u" role="tabpanel" tabindex="0"><div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="n">menu</span> <span class="o">=</span> <span class="n">Gio</span><span class="o">.</span><span class="n">Menu</span><span class="p">()</span>
|
||
|
||
<span class="c1"># The "Offensive Spells" section</span>
|
||
<span class="n">section</span> <span class="o">=</span> <span class="n">Gio</span><span class="o">.</span><span class="n">Menu</span><span class="p">()</span>
|
||
|
||
<span class="c1"># Gio.Menu.append() creates a menu item for you</span>
|
||
<span class="n">section</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">"Incendio"</span><span class="p">,</span> <span class="s2">"app.incendio"</span><span class="p">)</span>
|
||
|
||
<span class="n">menu</span><span class="o">.</span><span class="n">append_section</span><span class="p">(</span><span class="s2">"Offensive Spells"</span><span class="p">,</span> <span class="n">section</span><span class="p">)</span>
|
||
|
||
<span class="c1"># The "Defensive Charms" section</span>
|
||
<span class="n">section</span> <span class="o">=</span> <span class="n">Gio</span><span class="o">.</span><span class="n">Menu</span><span class="p">()</span>
|
||
|
||
<span class="c1"># An explicit menu item</span>
|
||
<span class="n">item</span> <span class="o">=</span> <span class="n">Gio</span><span class="o">.</span><span class="n">MenuItem</span><span class="p">()</span>
|
||
<span class="n">item</span><span class="o">.</span><span class="n">set_label</span><span class="p">(</span><span class="s2">"Expelliarmus"</span><span class="p">)</span>
|
||
<span class="n">item</span><span class="o">.</span><span class="n">set_detailed_action</span><span class="p">(</span><span class="s2">"app.expelliarmus"</span><span class="p">)</span>
|
||
|
||
<span class="c1"># "defensive_icon" is a Gio.Icon and is defined elsewhere</span>
|
||
<span class="n">item</span><span class="o">.</span><span class="n">set_icon</span><span class="p">(</span><span class="n">defensive_icon</span><span class="p">)</span>
|
||
<span class="n">section</span><span class="o">.</span><span class="n">append_item</span><span class="p">(</span><span class="n">item</span><span class="p">)</span>
|
||
|
||
<span class="n">menu</span><span class="o">.</span><span class="n">append_section</span><span class="p">(</span><span class="s2">"Defensive Charms"</span><span class="p">,</span> <span class="n">section</span><span class="p">)</span>
|
||
</pre></div>
|
||
</div>
|
||
</div><div aria-labelledby="tab-0-SmF2YVNjcmlwdA==" class="sphinx-tabs-panel code-tab group-tab" hidden="true" id="panel-0-SmF2YVNjcmlwdA==" name="SmF2YVNjcmlwdA==" role="tabpanel" tabindex="0"><div class="highlight-js notranslate"><div class="highlight"><pre><span></span><span class="kd">const</span><span class="w"> </span><span class="nx">menu</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="ow">new</span><span class="w"> </span><span class="nx">Gio</span><span class="p">.</span><span class="nx">Menu</span><span class="p">();</span><span class="w"></span>
|
||
|
||
<span class="c1">// The "Offensive Spells" section</span><span class="w"></span>
|
||
<span class="kd">let</span><span class="w"> </span><span class="nx">section</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="ow">new</span><span class="w"> </span><span class="nx">Gio</span><span class="p">.</span><span class="nx">Menu</span><span class="p">();</span><span class="w"></span>
|
||
|
||
<span class="c1">// Gio.Menu.append() creates a menu item for you</span><span class="w"></span>
|
||
<span class="nx">section</span><span class="p">.</span><span class="nx">append</span><span class="p">(</span><span class="s2">"Incendio"</span><span class="p">,</span><span class="w"> </span><span class="s2">"app.incendio"</span><span class="p">);</span><span class="w"></span>
|
||
|
||
<span class="nx">menu</span><span class="p">.</span><span class="nx">append_section</span><span class="p">(</span><span class="s2">"Offensive Spells"</span><span class="p">,</span><span class="w"> </span><span class="nx">section</span><span class="p">);</span><span class="w"></span>
|
||
|
||
<span class="c1">// The "Defensive Charms" section</span><span class="w"></span>
|
||
<span class="nx">section</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="ow">new</span><span class="w"> </span><span class="nx">Gio</span><span class="p">.</span><span class="nx">Menu</span><span class="p">();</span><span class="w"></span>
|
||
|
||
<span class="c1">// An explicit menu item</span><span class="w"></span>
|
||
<span class="kd">const</span><span class="w"> </span><span class="nx">item</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="ow">new</span><span class="w"> </span><span class="nx">Gio</span><span class="p">.</span><span class="nx">MenuItem</span><span class="p">();</span><span class="w"></span>
|
||
<span class="nx">item</span><span class="p">.</span><span class="nx">set_label</span><span class="p">(</span><span class="s2">"Expelliarmus"</span><span class="p">);</span><span class="w"></span>
|
||
<span class="nx">item</span><span class="p">.</span><span class="nx">set_detailed_action</span><span class="p">(</span><span class="s2">"app.expelliarmus"</span><span class="p">);</span><span class="w"></span>
|
||
|
||
<span class="c1">// "defensive_icon" is a Gio.Icon and is defined elsewhere</span><span class="w"></span>
|
||
<span class="nx">item</span><span class="p">.</span><span class="nx">set_icon</span><span class="p">(</span><span class="nx">defensive_icon</span><span class="p">);</span><span class="w"></span>
|
||
<span class="nx">section</span><span class="p">.</span><span class="nx">append_item</span><span class="p">(</span><span class="nx">item</span><span class="p">);</span><span class="w"></span>
|
||
|
||
<span class="nx">menu</span><span class="p">.</span><span class="nx">append_section</span><span class="p">(</span><span class="s2">"Defensive Charms"</span><span class="p">,</span><span class="w"> </span><span class="nx">section</span><span class="p">);</span><span class="w"></span>
|
||
</pre></div>
|
||
</div>
|
||
</div><div aria-labelledby="tab-0-VmFsYQ==" class="sphinx-tabs-panel code-tab group-tab" hidden="true" id="panel-0-VmFsYQ==" name="VmFsYQ==" role="tabpanel" tabindex="0"><div class="highlight-vala notranslate"><div class="highlight"><pre><span></span><span class="kd">var</span><span class="w"> </span><span class="n">menu</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">new</span><span class="w"> </span><span class="n">Menu</span><span class="w"> </span><span class="p">();</span><span class="w"></span>
|
||
|
||
<span class="c1">// The "Offensive Spells" section</span>
|
||
<span class="kd">var</span><span class="w"> </span><span class="n">section</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">new</span><span class="w"> </span><span class="n">Menu</span><span class="w"> </span><span class="p">();</span><span class="w"></span>
|
||
|
||
<span class="n">section</span><span class="p">.</span><span class="n">append</span><span class="w"> </span><span class="p">(</span><span class="s">"Incendio"</span><span class="p">,</span><span class="w"> </span><span class="s">"app.incendio"</span><span class="p">);</span><span class="w"></span>
|
||
|
||
<span class="n">menu</span><span class="p">.</span><span class="n">append_section</span><span class="w"> </span><span class="p">(</span><span class="s">"Offensice Spells"</span><span class="p">,</span><span class="w"> </span><span class="n">section</span><span class="p">);</span><span class="w"></span>
|
||
|
||
<span class="c1">// The "Defensive Charms" section</span>
|
||
<span class="n">section</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">new</span><span class="w"> </span><span class="n">Menu</span><span class="w"> </span><span class="p">();</span><span class="w"></span>
|
||
|
||
<span class="c1">// an explicit menu item</span>
|
||
<span class="kd">var</span><span class="w"> </span><span class="n">item</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">new</span><span class="w"> </span><span class="n">MenuItem</span><span class="w"> </span><span class="p">()</span><span class="w"> </span><span class="p">{</span><span class="w"></span>
|
||
<span class="w"> </span><span class="n">label</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">"Expelliarmus"</span><span class="p">,</span><span class="w"></span>
|
||
<span class="w"> </span><span class="n">detailed_action</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">"app.expelliarmus"</span><span class="w"></span>
|
||
<span class="p">};</span><span class="w"></span>
|
||
|
||
<span class="c1">// "defensive_icon" is a GLib.Icon and is defined elsewhere</span>
|
||
<span class="n">menu</span><span class="p">.</span><span class="n">append_section</span><span class="w"> </span><span class="p">(</span><span class="s">"Defensive Charms"</span><span class="p">,</span><span class="w"> </span><span class="n">section</span><span class="p">);</span><span class="w"></span>
|
||
</pre></div>
|
||
</div>
|
||
</div><div aria-labelledby="tab-0-WE1M" class="sphinx-tabs-panel code-tab group-tab" hidden="true" id="panel-0-WE1M" name="WE1M" role="tabpanel" tabindex="0"><div class="highlight-xml notranslate"><div class="highlight"><pre><span></span><span class="nt"><interface></span>
|
||
<span class="nt"><menu</span> <span class="na">id=</span><span class="s">"menu"</span><span class="nt">></span>
|
||
<span class="nt"><section></span>
|
||
<span class="nt"><item></span>
|
||
<span class="nt"><attribute</span> <span class="na">name=</span><span class="s">"label"</span> <span class="na">translatable=</span><span class="s">"yes"</span><span class="nt">></span>Incendio<span class="nt"></attribute></span>
|
||
<span class="nt"><attribute</span> <span class="na">name=</span><span class="s">"action"</span><span class="nt">></span>app.incendio<span class="nt"></attribute></span>
|
||
<span class="nt"></item></span>
|
||
<span class="nt"></section></span>
|
||
<span class="nt"><section></span>
|
||
<span class="nt"><attribute</span> <span class="na">name=</span><span class="s">"label"</span> <span class="na">translatable=</span><span class="s">"yes"</span><span class="nt">></span>Defensive Charms<span class="nt"></attribute></span>
|
||
<span class="nt"><item></span>
|
||
<span class="nt"><attribute</span> <span class="na">name=</span><span class="s">"label"</span> <span class="na">translatable=</span><span class="s">"yes"</span><span class="nt">></span>Expelliarmus<span class="nt"></attribute></span>
|
||
<span class="nt"><attribute</span> <span class="na">name=</span><span class="s">"action"</span><span class="nt">></span>app.expelliarmus<span class="nt"></attribute></span>
|
||
<span class="nt"><attribute</span> <span class="na">name=</span><span class="s">"icon"</span><span class="nt">></span>/usr/share/my-app/poof!.png<span class="nt"></attribute></span>
|
||
<span class="nt"></item></span>
|
||
<span class="nt"></section></span>
|
||
<span class="nt"></menu></span>
|
||
<span class="nt"></interface></span>
|
||
</pre></div>
|
||
</div>
|
||
</div></div>
|
||
<p>In your code, you then create the GMenuModel using a GtkBuilder:</p>
|
||
<div class="sphinx-tabs docutils container">
|
||
<div aria-label="Tabbed content" class="closeable" role="tablist"><button aria-controls="panel-1-Qw==" aria-selected="true" class="sphinx-tabs-tab code-tab group-tab" id="tab-1-Qw==" name="Qw==" role="tab" tabindex="0">C</button><button aria-controls="panel-1-UHl0aG9u" aria-selected="false" class="sphinx-tabs-tab code-tab group-tab" id="tab-1-UHl0aG9u" name="UHl0aG9u" role="tab" tabindex="-1">Python</button><button aria-controls="panel-1-SmF2YVNjcmlwdA==" aria-selected="false" class="sphinx-tabs-tab code-tab group-tab" id="tab-1-SmF2YVNjcmlwdA==" name="SmF2YVNjcmlwdA==" role="tab" tabindex="-1">JavaScript</button><button aria-controls="panel-1-VmFsYQ==" aria-selected="false" class="sphinx-tabs-tab code-tab group-tab" id="tab-1-VmFsYQ==" name="VmFsYQ==" role="tab" tabindex="-1">Vala</button></div><div aria-labelledby="tab-1-Qw==" class="sphinx-tabs-panel code-tab group-tab" id="panel-1-Qw==" name="Qw==" role="tabpanel" tabindex="0"><div class="highlight-c notranslate"><div class="highlight"><pre><span></span><span class="n">GtkBuilder</span><span class="w"> </span><span class="o">*</span><span class="n">builder</span><span class="w"> </span><span class="o">=</span><span class="w"></span>
|
||
<span class="w"> </span><span class="n">gtk_builder_new_from_resource</span><span class="w"> </span><span class="p">(</span><span class="s">"/my/favourite/spells/menu.ui"</span><span class="p">);</span><span class="w"></span>
|
||
|
||
<span class="n">GMenu</span><span class="w"> </span><span class="o">*</span><span class="n">menu</span><span class="w"> </span><span class="o">=</span><span class="w"></span>
|
||
<span class="w"> </span><span class="n">G_MENU_MODEL</span><span class="w"> </span><span class="p">(</span><span class="n">gtk_builder_get_object</span><span class="w"> </span><span class="p">(</span><span class="s">"menu"</span><span class="p">);</span><span class="w"></span>
|
||
</pre></div>
|
||
</div>
|
||
</div><div aria-labelledby="tab-1-UHl0aG9u" class="sphinx-tabs-panel code-tab group-tab" hidden="true" id="panel-1-UHl0aG9u" name="UHl0aG9u" role="tabpanel" tabindex="0"><div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="n">builder</span> <span class="o">=</span> <span class="n">Gtk</span><span class="o">.</span><span class="n">Builder</span><span class="o">.</span><span class="n">new_from_resource</span><span class="p">(</span><span class="s2">"/my/favourite/spells/menu.ui"</span><span class="p">)</span>
|
||
<span class="n">menu</span> <span class="o">=</span> <span class="n">builder</span><span class="o">.</span><span class="n">get_object</span><span class="p">(</span><span class="s2">"menu"</span><span class="p">)</span>
|
||
</pre></div>
|
||
</div>
|
||
</div><div aria-labelledby="tab-1-SmF2YVNjcmlwdA==" class="sphinx-tabs-panel code-tab group-tab" hidden="true" id="panel-1-SmF2YVNjcmlwdA==" name="SmF2YVNjcmlwdA==" role="tabpanel" tabindex="0"><div class="highlight-js notranslate"><div class="highlight"><pre><span></span><span class="kd">const</span><span class="w"> </span><span class="nx">builder</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nx">Gtk</span><span class="p">.</span><span class="nx">Builder</span><span class="p">.</span><span class="nx">new_from_resource</span><span class="p">(</span><span class="s2">"/my/favourite/spells/menu.ui"</span><span class="p">);</span><span class="w"></span>
|
||
<span class="kd">const</span><span class="w"> </span><span class="nx">menu</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nx">builder</span><span class="p">.</span><span class="nx">get_object</span><span class="p">(</span><span class="s2">"menu"</span><span class="p">);</span><span class="w"></span>
|
||
</pre></div>
|
||
</div>
|
||
</div><div aria-labelledby="tab-1-VmFsYQ==" class="sphinx-tabs-panel code-tab group-tab" hidden="true" id="panel-1-VmFsYQ==" name="VmFsYQ==" role="tabpanel" tabindex="0"><div class="highlight-vala notranslate"><div class="highlight"><pre><span></span><span class="kd">var</span><span class="w"> </span><span class="n">builder</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">new</span><span class="w"> </span><span class="n">Gtk</span><span class="p">.</span><span class="n">Builder</span><span class="p">.</span><span class="n">from_resource</span><span class="w"> </span><span class="p">(</span><span class="s">"/my/favourite/spells/menu.ui"</span><span class="p">);</span><span class="w"></span>
|
||
<span class="n">Menu</span><span class="w"> </span><span class="n">menu</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">builder</span><span class="p">.</span><span class="n">get_object</span><span class="w"> </span><span class="p">(</span><span class="s">"menu"</span><span class="p">);</span><span class="w"></span>
|
||
</pre></div>
|
||
</div>
|
||
</div></div>
|
||
<section id="primary-menus">
|
||
<h2>Primary menus<a class="headerlink" href="#primary-menus" title="Permalink to this headline">#</a></h2>
|
||
<p>A common pattern in modern user interfaces is to place a button, often with a
|
||
gears icon, in some prominent place (top-right), which will open a menu when
|
||
clicked. GTK comes with the :doc`GtkMenuButton </tutorials/beginners/menu_button>`
|
||
for this use case:</p>
|
||
<div class="sphinx-tabs docutils container">
|
||
<div aria-label="Tabbed content" class="closeable" role="tablist"><button aria-controls="panel-2-Qw==" aria-selected="true" class="sphinx-tabs-tab code-tab group-tab" id="tab-2-Qw==" name="Qw==" role="tab" tabindex="0">C</button><button aria-controls="panel-2-UHl0aG9u" aria-selected="false" class="sphinx-tabs-tab code-tab group-tab" id="tab-2-UHl0aG9u" name="UHl0aG9u" role="tab" tabindex="-1">Python</button><button aria-controls="panel-2-SmF2YVNjcmlwdA==" aria-selected="false" class="sphinx-tabs-tab code-tab group-tab" id="tab-2-SmF2YVNjcmlwdA==" name="SmF2YVNjcmlwdA==" role="tab" tabindex="-1">JavaScript</button><button aria-controls="panel-2-VmFsYQ==" aria-selected="false" class="sphinx-tabs-tab code-tab group-tab" id="tab-2-VmFsYQ==" name="VmFsYQ==" role="tab" tabindex="-1">Vala</button></div><div aria-labelledby="tab-2-Qw==" class="sphinx-tabs-panel code-tab group-tab" id="panel-2-Qw==" name="Qw==" role="tabpanel" tabindex="0"><div class="highlight-c notranslate"><div class="highlight"><pre><span></span><span class="n">GtkBuilder</span><span class="w"> </span><span class="o">*</span><span class="n">builder</span><span class="w"> </span><span class="o">=</span><span class="w"></span>
|
||
<span class="w"> </span><span class="n">gtk_builder_new_from_resource</span><span class="w"> </span><span class="p">(</span><span class="s">"/my/favourite/spells/potions.ui"</span><span class="p">);</span><span class="w"></span>
|
||
<span class="n">GMenu</span><span class="w"> </span><span class="o">*</span><span class="n">menu</span><span class="w"> </span><span class="o">=</span><span class="w"></span>
|
||
<span class="w"> </span><span class="n">G_MENU_MODEL</span><span class="w"> </span><span class="p">(</span><span class="n">gtk_builder_get_object</span><span class="w"> </span><span class="p">(</span><span class="n">builder</span><span class="p">,</span><span class="w"> </span><span class="s">"menu"</span><span class="p">));</span><span class="w"></span>
|
||
|
||
<span class="c1">// "menu_button" is defined elsewhere</span>
|
||
<span class="n">gtk_menu_button_set_menu_model</span><span class="w"> </span><span class="p">(</span><span class="n">GTK_MENU_BUTTON</span><span class="w"> </span><span class="p">(</span><span class="n">menu_button</span><span class="p">),</span><span class="w"> </span><span class="n">menu</span><span class="p">);</span><span class="w"></span>
|
||
<span class="n">gtk_menu_button_set_primary</span><span class="w"> </span><span class="p">(</span><span class="n">GTK_MENU_BUTTON</span><span class="w"> </span><span class="p">(</span><span class="n">menu_button</span><span class="p">),</span><span class="w"> </span><span class="n">TRUE</span><span class="p">);</span><span class="w"></span>
|
||
|
||
<span class="n">g_object_unref</span><span class="w"> </span><span class="p">(</span><span class="n">builder</span><span class="p">);</span><span class="w"></span>
|
||
</pre></div>
|
||
</div>
|
||
</div><div aria-labelledby="tab-2-UHl0aG9u" class="sphinx-tabs-panel code-tab group-tab" hidden="true" id="panel-2-UHl0aG9u" name="UHl0aG9u" role="tabpanel" tabindex="0"><div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="n">builder</span> <span class="o">=</span> <span class="n">Gtk</span><span class="o">.</span><span class="n">Builder</span><span class="o">.</span><span class="n">new_from_resource</span><span class="p">(</span><span class="s2">"/my/favourite/spells/potions.ui"</span><span class="p">)</span>
|
||
<span class="n">menu</span> <span class="o">=</span> <span class="n">builder</span><span class="o">.</span><span class="n">get_object</span><span class="p">(</span><span class="s2">"menu"</span><span class="p">)</span>
|
||
|
||
<span class="c1"># "menu_button" is defined elsewhere</span>
|
||
<span class="n">menu_button</span><span class="o">.</span><span class="n">set_menu_model</span><span class="p">(</span><span class="n">menu</span><span class="p">)</span>
|
||
<span class="n">menu_button</span><span class="o">.</span><span class="n">set_primary</span><span class="p">(</span><span class="kc">True</span><span class="p">)</span>
|
||
</pre></div>
|
||
</div>
|
||
</div><div aria-labelledby="tab-2-SmF2YVNjcmlwdA==" class="sphinx-tabs-panel code-tab group-tab" hidden="true" id="panel-2-SmF2YVNjcmlwdA==" name="SmF2YVNjcmlwdA==" role="tabpanel" tabindex="0"><div class="highlight-js notranslate"><div class="highlight"><pre><span></span><span class="kd">const</span><span class="w"> </span><span class="nx">builder</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nx">Gtk</span><span class="p">.</span><span class="nx">Builder</span><span class="p">.</span><span class="nx">new_from_resource</span><span class="p">(</span><span class="s2">"/my/favourite/spells/potions.ui"</span><span class="p">);</span><span class="w"></span>
|
||
<span class="kd">const</span><span class="w"> </span><span class="nx">menu</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nx">builder</span><span class="p">.</span><span class="nx">get_object</span><span class="p">(</span><span class="s2">"menu"</span><span class="p">);</span><span class="w"></span>
|
||
|
||
<span class="c1">// "menu_button" is defined elsewhere</span><span class="w"></span>
|
||
<span class="nx">menu_button</span><span class="p">.</span><span class="nx">set_menu_model</span><span class="p">(</span><span class="nx">menu</span><span class="p">);</span><span class="w"></span>
|
||
<span class="nx">menu_button</span><span class="p">.</span><span class="nx">set_primary</span><span class="p">(</span><span class="kc">true</span><span class="p">);</span><span class="w"></span>
|
||
</pre></div>
|
||
</div>
|
||
</div><div aria-labelledby="tab-2-VmFsYQ==" class="sphinx-tabs-panel code-tab group-tab" hidden="true" id="panel-2-VmFsYQ==" name="VmFsYQ==" role="tabpanel" tabindex="0"><div class="highlight-vala notranslate"><div class="highlight"><pre><span></span><span class="kd">var</span><span class="w"> </span><span class="n">builder</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">new</span><span class="w"> </span><span class="n">Gtk</span><span class="p">.</span><span class="n">Builder</span><span class="p">.</span><span class="n">from_resource</span><span class="w"> </span><span class="p">(</span><span class="s">"/my/favourite/spells/menu.ui"</span><span class="p">);</span><span class="w"></span>
|
||
<span class="n">Menu</span><span class="w"> </span><span class="n">menu</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">builder</span><span class="p">.</span><span class="n">get_object</span><span class="w"> </span><span class="p">(</span><span class="s">"menu"</span><span class="p">);</span><span class="w"></span>
|
||
|
||
<span class="c1">// "menu_button" is defined elsewhere</span>
|
||
<span class="n">menu_button</span><span class="p">.</span><span class="n">menu_model</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">menu</span><span class="p">;</span><span class="w"></span>
|
||
<span class="n">menu_button</span><span class="p">.</span><span class="n">primary</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nb">true</span><span class="p">;</span><span class="w"></span>
|
||
</pre></div>
|
||
</div>
|
||
</div></div>
|
||
</section>
|
||
<section id="menu-bars">
|
||
<h2>Menu bars<a class="headerlink" href="#menu-bars" title="Permalink to this headline">#</a></h2>
|
||
<p>While uncommon in GNOME applications, it is still possible to create menu bars
|
||
by using <a class="reference external" href="https://docs.gtk.org/gtk4/class.PopoverMenuBar.html">GtkPopoverMenuBar</a>.</p>
|
||
</section>
|
||
<section id="context-menus">
|
||
<h2>Context menus<a class="headerlink" href="#context-menus" title="Permalink to this headline">#</a></h2>
|
||
<p>It is possible to create a ‘freestanding’ menu from a menu model, using
|
||
<code class="docutils literal notranslate"><span class="pre">gtk_popover_menu_new_from_model()</span></code>. This menu can then be used as a context
|
||
menu on any widget. The actions you refer to in such a menu can come from the
|
||
application or window scopes. You can also introduce a more localized scope,
|
||
using <code class="docutils literal notranslate"><span class="pre">gtk_widget_insert_action_group()</span></code>. The actions from such a local scope
|
||
can be used in any menu that is attached below this local scope.</p>
|
||
</section>
|
||
<section id="icons">
|
||
<h2>Icons<a class="headerlink" href="#icons" title="Permalink to this headline">#</a></h2>
|
||
<p>In order to add an icon to a menu item, you must specify the <code class="docutils literal notranslate"><span class="pre">icon</span></code> attribute
|
||
on the items in your menu model; when the menu is constructed, the icon will be
|
||
properly placed in the UI. The expected value for this attribute is a serialized
|
||
GIcon. Luckily, the GIcon serialization format is convenient for this use—for
|
||
instance:</p>
|
||
<div class="highlight-xml notranslate"><div class="highlight"><pre><span></span><span class="nt"><attribute</span> <span class="na">name=</span><span class="s">"icon"</span><span class="nt">></span>/path/to/my/icon.png<span class="nt"></attribute></span>
|
||
</pre></div>
|
||
</div>
|
||
<p>is a valid serialization for a <a class="reference external" href="https://docs.gtk.org/gio/class.FileIcon.html">GFileIcon</a>
|
||
for the file at the given path, and:</p>
|
||
<div class="highlight-xml notranslate"><div class="highlight"><pre><span></span><span class="nt"><attribute</span> <span class="na">name=</span><span class="s">"icon"</span><span class="nt">></span>preferences-desktop-locale-symbolic<span class="nt"></attribute></span>
|
||
</pre></div>
|
||
</div>
|
||
<p>is a valid serialization for a <a class="reference external" href="https://docs.gtk.org/gio/class.ThemedIcon.html">GThemedIcon</a>
|
||
for the <code class="docutils literal notranslate"><span class="pre">preferences-desktop-locale-symbolic</span></code> symbolic icon.</p>
|
||
</section>
|
||
</section>
|
||
|
||
</article>
|
||
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Contents
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<div class="toc-tree-container">
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<div class="toc-tree">
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<ul>
|
||
<li><a class="reference internal" href="#">Menus</a><ul>
|
||
<li><a class="reference internal" href="#primary-menus">Primary menus</a></li>
|
||
<li><a class="reference internal" href="#menu-bars">Menu bars</a></li>
|
||
<li><a class="reference internal" href="#context-menus">Context menus</a></li>
|
||
<li><a class="reference internal" href="#icons">Icons</a></li>
|
||
</ul>
|
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|
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