+#include "support/docstring.h"
+
+#include "frontends/Clipboard.h"
+
+#include <vector>
+
+using lyx::frontend::Clipboard;
+
+namespace lyx {
+
+class DocumentClass;
+class ErrorList;
+class InsetText;
+class Cursor;
+class ParagraphList;
+
+namespace cap {
+
+/// Get all elements of the cut buffer in plain text format.
+std::vector<docstring> availableSelections();
+/// Get the number of available elements in the cut buffer.
+size_type numberOfSelections();
+/// Get the sel_index-th element of the cut buffer in plain text format.
+docstring selection(size_t sel_index);
+
+/**
+ * Replace using the font of the first selected character and select
+ * the new string. When \c backwards == false, set anchor before
+ * cursor; otherwise set cursor before anchor.
+ * Does handle undo.
+ */
+void replaceSelectionWithString(Cursor & cur, docstring const & str,
+ bool backwards);
+/// If a selection exists, delete it without pushing it to the cut buffer.
+/// Does handle undo.
+void replaceSelection(Cursor & cur);
+
+/**
+ * Cut the current selection and possibly push it to the cut buffer and
+ * system clipboard.
+ * Does handle undo. Calls saveSelection.
+ * \param doclear If this is true: Delete leading spaces in paragraphs before
+ * they get merged.
+ * \param realcut If this is true: Push the selection to the cut buffer and
+ * system clipboard. Set this to false to only delete the
+ * selection.
+ */
+void cutSelection(Cursor & cur, bool doclear = true, bool realcut = true);
+/// Push the current selection to the cut buffer and the system clipboard.
+void copySelection(Cursor & cur);
+/**
+ * Push the current selection to the cut buffer and the system clipboard.
+ * \param plaintext plain text version of the selection for the system
+ * clipboard
+ */
+void copySelection(Cursor & cur, docstring const & plaintext);
+/// Push the selection buffer to the cut buffer.
+void copySelectionToStack();
+/// Store the current selection in the internal selection buffer
+void saveSelection(Cursor & cur);
+/// Is a selection available in our selection buffer?
+bool selection();
+/// Clear our selection buffer
+void clearSelection();
+/// Clear our cut stack.
+void clearCutStack();
+/// Paste the current selection at \p cur
+/// Does handle undo. Does only work in text, not mathed.
+void pasteSelection(Cursor & cur, ErrorList &);
+/// Replace the current selection with the clipboard contents as text
+/// (internal or external: which is newer).
+/// Does handle undo. Does only work in text, not mathed.
+void pasteClipboardText(Cursor & cur, ErrorList & errorList,
+ bool asParagraphs = true);
+/// Replace the current selection with the clipboard contents as graphic.
+/// Does handle undo. Does only work in text, not mathed.
+void pasteClipboardGraphics(Cursor & cur, ErrorList & errorList,
+ Clipboard::GraphicsType preferedType = Clipboard::AnyGraphicsType);
+/// Replace the current selection with cut buffer \c sel_index
+/// Does handle undo. Does only work in text, not mathed.
+void pasteFromStack(Cursor & cur, ErrorList & errorList, size_t sel_index);
+
+/// Paste the paragraph list \p parlist at the position given by \p cur.
+/// Does not handle undo. Does only work in text, not mathed.
+void pasteParagraphList(Cursor & cur, ParagraphList const & parlist,
+ DocumentClass const * const textclass, ErrorList & errorList);
+
+
+/** Needed to switch between different classes. This works
+ * for a list of paragraphs beginning with the specified par.
+ * It changes layouts and character styles.
+ */
+void switchBetweenClasses(DocumentClass const * const c1,
+ DocumentClass const * const c2, InsetText & in, ErrorList &);