*
* \author unknown
* \author John Levon
+ * \author Abdelrazak Younes
*
* Full author contact details are available in file CREDITS.
*/
-#ifndef WORKAREA_H
-#define WORKAREA_H
+#ifndef BASE_WORKAREA_H
+#define BASE_WORKAREA_H
+
+#include "frontends/GuiCursor.h"
#include "frontends/key_state.h"
#include "frontends/LyXKeySym.h"
+#include "frontends/Timeout.h"
-#include <boost/signal.hpp>
+class BufferView;
+namespace lyx {
+namespace frontend {
class Painter;
-class FuncRequest;
/**
* The work area class represents the widget that provides the
* view onto a document. It is owned by the BufferView, and
* is responsible for handing events back to its owning BufferView.
- * It works in concert with the LyXScreen class to update the
+ * It works in concert with the BaseScreen class to update the
* widget view of a document.
*/
class WorkArea {
public:
- WorkArea() {}
+ WorkArea(BufferView * buffer_view = 0);
virtual ~WorkArea() {}
+ void setBufferView(BufferView * buffer_view);
+
+ ///
+ BufferView & bufferView();
+ ///
+ BufferView const & bufferView() const;
+
/// return the painter object for this work area
virtual Painter & getPainter() = 0;
/// return the width of the work area in pixels
- virtual int workWidth() const = 0;
+ virtual int width() const = 0;
+
/// return the height of the work area in pixels
- virtual int workHeight() const = 0;
+ virtual int height() const = 0;
/**
* Update the scrollbar.
*/
virtual void setScrollbarParams(int height, int pos, int line_height) = 0;
- // FIXME: this is an odd place to have it, but xforms needs it here ...
- /// a selection exists
- virtual void haveSelection(bool) const = 0;
- /// get the X clipboard contents
- virtual std::string const getClipboard() const = 0;
- /// fill the clipboard
- virtual void putClipboard(std::string const &) const = 0;
+ /// redraw the screen, without using existing pixmap
+ virtual void redraw();
+
+ ///
+ void processKeySym(LyXKeySymPtr key, key_modifier::state state);
+
+ /// grey out (no buffer)
+ void greyOut();
+
+ /// paint the cursor and store the background
+ virtual void showCursor(int x, int y, int h, CursorShape shape) = 0;
+
+ /// hide the cursor
+ virtual void removeCursor() = 0;
+
+ /// Show the cursor
+ void showCursor();
+ /// Hide the cursor
+ void hideCursor();
+ /// toggle the cursor's visibility
+ void toggleCursor();
+
+protected:
+ /// cause the display of the given area of the work area
+ virtual void expose(int x, int y, int w, int h) = 0;
+
+ ///
+ BufferView * buffer_view_;
+
+private:
+ ///
+ void checkAndGreyOut();
+
+ ///
+ bool greyed_out_;
+
+ ///
+ bool cursor_visible_;
+
+ ///
+ Timeout cursor_timeout_;
};
-#endif // WORKAREA_H
+} // namespace frontend
+} // namespace lyx
+
+#endif // BASE_WORKAREA_H