#ifndef BASE_WORKAREA_H
#define BASE_WORKAREA_H
-#include "frontends/GuiCursor.h"
+#include "frontends/KeyModifier.h"
-#include "frontends/key_state.h"
-#include "frontends/LyXKeySym.h"
+namespace lyx {
class BufferView;
+class KeySymbol;
-namespace lyx {
namespace frontend {
-class Painter;
-
/**
* The work area class represents the widget that provides the
* view onto a document. It is owned by the BufferView, and
* It works in concert with the BaseScreen class to update the
* widget view of a document.
*/
-class WorkArea {
+class WorkArea
+{
public:
- WorkArea(BufferView * buffer_view = 0);
-
- virtual ~WorkArea() {}
-
- void setBufferView(BufferView * buffer_view);
-
///
- BufferView & bufferView();
+ WorkArea() {}
///
- 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 width() const = 0;
-
- /// return the height of the work area in pixels
- virtual int height() const = 0;
-
- /**
- * Update the scrollbar.
- * @param height the total document height in pixels
- * @param pos the current position in the document, in pixels
- * @param line_height the line-scroll amount, in pixels
- */
- virtual void setScrollbarParams(int height, int pos, int line_height) = 0;
+ virtual ~WorkArea() {}
/// redraw the screen, without using existing pixmap
- virtual void redraw();
-
- /// grey out (no buffer)
- void greyOut();
+ virtual void redraw() = 0;
- /// paint the cursor and store the background
- virtual void showCursor(int x, int y, int h, CursorShape shape) = 0;
+ /// Process Key pressed event.
+ /// This needs to be public because it is accessed externally by GuiView.
+ virtual void processKeySym(KeySymbol const & key, KeyModifier mod) = 0;
- /// hide the cursor
- virtual void removeCursor() = 0;
+ /// close this work area.
+ /// Slot for Buffer::closing signal.
+ virtual void close() = 0;
+ /// This function is called when the buffer readonly status change.
+ virtual void setReadOnly(bool) = 0;
-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_;
+ /// Update window titles of all users.
+ virtual void updateWindowTitle() = 0;
};
} // namespace frontend