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GtkTreeView</p></td><td valign="top" align="right"></td></tr></table></div><div class="refsynopsisdiv"><h2>Synopsis</h2><a name="GtkTreeDragSource"></a><a name="GtkTreeDragDest"></a><pre class="synopsis">#include <gtk/gtk.h> <a class="link" href="gtk-GtkTreeView-drag-and-drop.html#GtkTreeDragSource-struct">GtkTreeDragSource</a>; <a class="link" href="gtk-GtkTreeView-drag-and-drop.html#GtkTreeDragSourceIface">GtkTreeDragSourceIface</a>;<ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean">gboolean</a> <a class="link" href="gtk-GtkTreeView-drag-and-drop.html#gtk-tree-drag-source-drag-data-delete">gtk_tree_drag_source_drag_data_delete</a> (<a class="link" href="gtk-GtkTreeView-drag-and-drop.html#GtkTreeDragSource">GtkTreeDragSource</a> *drag_source, <a class="link" href="GtkTreeModel.html#GtkTreePath">GtkTreePath</a> *path);<ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean">gboolean</a> <a class="link" href="gtk-GtkTreeView-drag-and-drop.html#gtk-tree-drag-source-drag-data-get">gtk_tree_drag_source_drag_data_get</a> (<a class="link" href="gtk-GtkTreeView-drag-and-drop.html#GtkTreeDragSource">GtkTreeDragSource</a> *drag_source, <a class="link" href="GtkTreeModel.html#GtkTreePath">GtkTreePath</a> *path, <a class="link" href="GtkWidget.html#GtkSelectionData">GtkSelectionData</a> *selection_data);<ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean">gboolean</a> <a class="link" href="gtk-GtkTreeView-drag-and-drop.html#gtk-tree-drag-source-row-draggable">gtk_tree_drag_source_row_draggable</a> (<a class="link" href="gtk-GtkTreeView-drag-and-drop.html#GtkTreeDragSource">GtkTreeDragSource</a> *drag_source, <a class="link" href="GtkTreeModel.html#GtkTreePath">GtkTreePath</a> *path); <a class="link" href="gtk-GtkTreeView-drag-and-drop.html#GtkTreeDragDest-struct">GtkTreeDragDest</a>; <a class="link" href="gtk-GtkTreeView-drag-and-drop.html#GtkTreeDragDestIface">GtkTreeDragDestIface</a>;<ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean">gboolean</a> <a class="link" href="gtk-GtkTreeView-drag-and-drop.html#gtk-tree-drag-dest-drag-data-received">gtk_tree_drag_dest_drag_data_received</a> (<a class="link" href="gtk-GtkTreeView-drag-and-drop.html#GtkTreeDragDest">GtkTreeDragDest</a> *drag_dest, <a class="link" href="GtkTreeModel.html#GtkTreePath">GtkTreePath</a> *dest, <a class="link" href="GtkWidget.html#GtkSelectionData">GtkSelectionData</a> *selection_data);<ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean">gboolean</a> <a class="link" href="gtk-GtkTreeView-drag-and-drop.html#gtk-tree-drag-dest-row-drop-possible">gtk_tree_drag_dest_row_drop_possible</a> (<a class="link" href="gtk-GtkTreeView-drag-and-drop.html#GtkTreeDragDest">GtkTreeDragDest</a> *drag_dest, <a class="link" href="GtkTreeModel.html#GtkTreePath">GtkTreePath</a> *dest_path, <a class="link" href="GtkWidget.html#GtkSelectionData">GtkSelectionData</a> *selection_data);<ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean">gboolean</a> <a class="link" href="gtk-GtkTreeView-drag-and-drop.html#gtk-tree-set-row-drag-data">gtk_tree_set_row_drag_data</a> (<a class="link" href="GtkWidget.html#GtkSelectionData">GtkSelectionData</a> *selection_data, <a class="link" href="GtkTreeModel.html" title="GtkTreeModel">GtkTreeModel</a> *tree_model, <a class="link" href="GtkTreeModel.html#GtkTreePath">GtkTreePath</a> *path);<ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean">gboolean</a> <a class="link" href="gtk-GtkTreeView-drag-and-drop.html#gtk-tree-get-row-drag-data">gtk_tree_get_row_drag_data</a> (<a class="link" href="GtkWidget.html#GtkSelectionData">GtkSelectionData</a> *selection_data, <a class="link" href="GtkTreeModel.html" title="GtkTreeModel">GtkTreeModel</a> **tree_model, <a class="link" href="GtkTreeModel.html#GtkTreePath">GtkTreePath</a> **path);</pre></div><div class="refsect1" lang="en"><a name="id3769774"></a><h2>Object Hierarchy</h2><pre class="synopsis"> GInterface +----GtkTreeDragSource</pre><pre class="synopsis"> GInterface +----GtkTreeDragDest</pre></div><div class="refsect1" lang="en"><a name="id3769811"></a><h2>Known Implementations</h2><p>GtkTreeDragSource is implemented by <a class="link" href="GtkTreeModelFilter.html" title="GtkTreeModelFilter">GtkTreeModelFilter</a>, <a class="link" href="GtkTreeModelSort.html" title="GtkTreeModelSort">GtkTreeModelSort</a>, <a class="link" href="GtkTreeStore.html" title="GtkTreeStore">GtkTreeStore</a> and <a class="link" href="GtkListStore.html" title="GtkListStore">GtkListStore</a>.</p><p>GtkTreeDragDest is implemented by <a class="link" href="GtkTreeStore.html" title="GtkTreeStore">GtkTreeStore</a> and <a class="link" href="GtkListStore.html" title="GtkListStore">GtkListStore</a>.</p></div><div class="refsect1" lang="en"><a name="id3769874"></a><h2>Description</h2><p>GTK+ supports Drag-and-Drop in tree views with a high-level and a low-level API.</p><p>The low-level API consists of the GTK+ DND API, augmented by some treeview utility functions: <a class="link" href="GtkTreeView.html#gtk-tree-view-set-drag-dest-row"><code class="function">gtk_tree_view_set_drag_dest_row()</code></a>,<a class="link" href="GtkTreeView.html#gtk-tree-view-get-drag-dest-row"><code class="function">gtk_tree_view_get_drag_dest_row()</code></a>, <a class="link" href="GtkTreeView.html#gtk-tree-view-get-dest-row-at-pos"><code class="function">gtk_tree_view_get_dest_row_at_pos()</code></a>, <a class="link" href="GtkTreeView.html#gtk-tree-view-create-row-drag-icon"><code class="function">gtk_tree_view_create_row_drag_icon()</code></a>, <a class="link" href="gtk-GtkTreeView-drag-and-drop.html#gtk-tree-set-row-drag-data"><code class="function">gtk_tree_set_row_drag_data()</code></a> and<a class="link" href="gtk-GtkTreeView-drag-and-drop.html#gtk-tree-get-row-drag-data"><code class="function">gtk_tree_get_row_drag_data()</code></a>. This API leaves a lot of flexibility, butnothing is done automatically, and implementing advanced features likehover-to-open-rows or autoscrolling on top of this API is a lot of work.</p><p>On the other hand, if you write to the high-level API, then all the bookkeeping of rows is done for you, as well as things like hover-to-open and auto-scroll, but your models have to implement the <a class="link" href="gtk-GtkTreeView-drag-and-drop.html#GtkTreeDragSource"><span class="type">GtkTreeDragSource</span></a> and <a class="link" href="gtk-GtkTreeView-drag-and-drop.html#GtkTreeDragDest"><span class="type">GtkTreeDragDest</span></a> interfaces.</p></div><div class="refsect1" lang="en"><a name="id3769989"></a><h2>Details</h2><div class="refsect2" lang="en"><a name="id3770000"></a><h3><a name="GtkTreeDragSource-struct"></a>GtkTreeDragSource</h3><a class="indexterm" name="id3770013"></a><pre class="programlisting">typedef struct _GtkTreeDragSource GtkTreeDragSource;</pre><p></p>⌨️ 快捷键说明
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