Amend 16d5c49b

[lyx.git] / src / frontends / Clipboard.h

diff --git a/src/frontends/Clipboard.h b/src/frontends/Clipboard.h
index 0db784c9268c8e9e19fe7bd87bf0b75ef085dfa0..af617f5aecc4af11ac5889a35a83f6ea7ac947d5 100644 (file)
--- a/src/frontends/Clipboard.h
+++ b/src/frontends/Clipboard.h
@@ -14,6 +14,8 @@
 #ifndef BASE_CLIPBOARD_H
 #define BASE_CLIPBOARD_H
 
+#include "Cursor.h"
+
 #include "support/strfwd.h"
 
 namespace lyx {
@@ -27,6 +29,25 @@ class Clipboard
 public:
        virtual ~Clipboard() {}
 
+       enum GraphicsType {
+               PdfGraphicsType,
+               PngGraphicsType,
+               JpegGraphicsType,
+               LinkBackGraphicsType,
+               EmfGraphicsType,
+               WmfGraphicsType,
+               AnyGraphicsType
+       };
+
+       enum TextType {
+               AnyTextType,
+               LyXOrPlainTextType,
+               PlainTextType,
+               HtmlTextType,
+               LaTeXTextType,
+               LyXTextType,
+       };
+
        /**
         * Get the system clipboard contents. The format is as written in
         * .lyx files (may even be an older version than ours if it comes
@@ -36,8 +57,11 @@ public:
         * clipboard.
         */
        virtual std::string const getAsLyX() const = 0;
-       /// Get the contents of the window system clipboard in plain text format.
-       virtual docstring const getAsText() const = 0;
+       /// Get the contents of the window system clipboard in any text format except LyxTextType.
+       virtual docstring const getAsText(TextType type) const = 0;
+       /// Get the contents of the window system clipboard as graphics file.
+       virtual support::FileName getAsGraphics(Cursor const & cur, GraphicsType type) const = 0;
+
        /**
         * Fill the system clipboard. The format of \p lyx is as written in
         * .lyx files, the format of \p text is plain text.
@@ -47,17 +71,25 @@ public:
         * This should be called when the user requests to cut or copy to
         * the clipboard.
         */
-       virtual void put(std::string const & lyx, docstring const & text) = 0;
+       virtual void put(std::string const & lyx, docstring const & html, docstring const & text) = 0;
+
+       /// Put a general string on the system clipboard (not LyX text)
+       virtual void put(std::string const & text) const = 0;
 
-       /// Does the clipboard contain LyX contents?
-       virtual bool hasLyXContents() const = 0;
+       /// Does the clipboard contain text contents?
+       virtual bool hasTextContents(TextType type = AnyTextType) const = 0;
+       /// Does the clipboard contain graphics contents of a certain type?
+       virtual bool hasGraphicsContents(GraphicsType type = AnyGraphicsType) const = 0;
        /// state of clipboard.
        /// \returns true if the system clipboard has been set within LyX
        /// (document contents, dialogs count as external here).
        virtual bool isInternal() const = 0;
+       /// \returns true if the OS has the concept of clipboard ownership,
+       /// which is crucial for our concept of internal clipboard.
+       virtual bool hasInternal() const = 0;
        /// Is the clipboard empty?
        /// \returns true if both the LyX and the plaintext versions of the
-       /// clipboard are empty.
+       /// clipboard are empty, and no supported graphics format is available.
        virtual bool empty() const = 0;
 };