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<a name="sec-dnd-methods"></a>Methods</h2></div></div></div>
<p>
<code class="classname">Widget</code>s can be identified as sources or targets using
<code class="classname">Gtk::DragSource</code> and <code class="classname">Gtk::DropTarget</code>
event controllers.
</p>
<pre class="programlisting"><code class="code">auto source = Gtk::DragSource::create();
m_source_widget.add_controller(source);</code></pre>
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Some <code class="classname">DragSource</code> methods:
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<code class="literal">void set_content(const Glib::RefPtr<Gdk::ContentProvider>& content)</code>:
Sets a content provider on the drag source.
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<p>
<code class="literal">void set_actions(Gdk::DragAction actions)</code>:
Sets the actions on the drag source. For instance <code class="literal">Gdk::DragAction::COPY
| Gdk::DragAction::MOVE</code>.
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<code class="literal">void set_icon(const Glib::RefPtr<const Gdk::Paintable>& paintable, int hot_x, int hot_y)</code>:
Sets a paintable to use as icon during DND operations.
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<pre class="programlisting"><code class="code">auto target = Gtk::DropTarget::create(gtype, actions);
m_target_widget.add_controller(target);</code></pre>
<p>
Some <code class="classname">DropTarget</code> methods:
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<code class="literal">void set_gtypes(const std::vector<GType>& types)</code>:
Sets the supported types for this drop target.
</p>
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<code class="literal">void set_actions(Gdk::DragAction actions)</code>:
Sets the actions that this drop target supports.
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<code class="literal">Glib::ValueBase get_value() const</code>:
Gets the current drop data, as a <code class="classname">Glib::Value</code>.
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<code class="literal">void reject()</code>:
Rejects the ongoing drop operation. This function should be used when
delaying the decision on whether to accept a drag or not until after
reading the data.
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