#ifndef BASE_WORKAREA_H
#define BASE_WORKAREA_H
-#include "frontends/GuiCursor.h"
-
#include "frontends/key_state.h"
-#include "frontends/LyXKeySym.h"
+#include "frontends/KeySymbol.h"
+#include "frontends/Timeout.h"
+
+#include "support/docstring.h"
+
+#include <boost/signals/trackable.hpp>
-class BufferView;
namespace lyx {
+
+class BufferView;
+class FuncRequest;
+class LyXView;
+
namespace frontend {
class Painter;
+/// types of cursor in work area
+enum CursorShape {
+ /// normal I-beam
+ BAR_SHAPE,
+ /// L-shape for locked insets of a different language
+ L_SHAPE,
+ /// reverse L-shape for RTL text
+ REVERSED_L_SHAPE
+};
+
/**
* 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 boost::signals::trackable {
public:
- WorkArea(BufferView * buffer_view = 0);
+ WorkArea(int id, LyXView & lyx_view);
virtual ~WorkArea() {}
+ int const id() const { return id_; }
+
void setBufferView(BufferView * buffer_view);
///
///
BufferView const & bufferView() const;
- /// return the painter object for this work area
- virtual Painter & getPainter() = 0;
+ /// \return true if has the keyboard input focus.
+ virtual bool hasFocus() const = 0;
/// return the width of the work area in pixels
virtual int width() const = 0;
*/
virtual void setScrollbarParams(int height, int pos, int line_height) = 0;
+ ///
+ virtual void scheduleRedraw() = 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;
+ void stopBlinkingCursor();
+ void startBlinkingCursor();
+ /// Process Key pressed event.
+ /// This needs to be public because it is accessed externally by GuiView.
+ void processKeySym(KeySymbolPtr key, key_modifier::state state);
protected:
/// cause the display of the given area of the work area
virtual void expose(int x, int y, int w, int h) = 0;
+ ///
+ void dispatch(FuncRequest const & cmd0,
+ key_modifier::state = key_modifier::none);
+ ///
+ void resizeBufferView();
+ ///
+ void scrollBufferView(int position);
+ /// hide the visible cursor, if it is visible
+ void hideCursor();
+ /// show the cursor if it is not visible
+ void showCursor();
+ /// toggle the cursor's visibility
+ void toggleCursor();
+ /// hide the cursor
+ virtual void removeCursor() = 0;
+ /// paint the cursor and store the background
+ virtual void showCursor(int x, int y, int h, CursorShape shape) = 0;
+ ///
+ void updateScrollbar();
///
BufferView * buffer_view_;
+ ///
+ LyXView & lyx_view_;
+ ///
+ bool greyed_out_;
+
private:
///
- void checkAndGreyOut();
+ int id_;
+ ///
+ void displayMessage(docstring const &);
+ /// buffer messages signal connection
+ boost::signals::connection message_connection_;
+
+ /// is the cursor currently displayed
+ bool cursor_visible_;
///
- bool greyed_out_;
+ Timeout cursor_timeout_;
};
} // namespace frontend