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64 lines
1.2 KiB
C
64 lines
1.2 KiB
C
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// -*- C++ -*-
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/**
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* \file GScreen.h
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Huang Ying
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*
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* Full author contact details are available in file CREDITS
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*/
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#ifndef GSCREEN_H
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#define GSCREEN_H
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#include "screen.h"
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class GWorkArea;
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/** The class GScreen is used for the main Textbody.
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Concretely, the screen is held in a pixmap. This pixmap is kept up to
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date and used to optimize drawing on the screen.
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This class also handles the drawing of the cursor and partly the selection.
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*/
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class GScreen : public LyXScreen {
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public:
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///
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GScreen(GWorkArea &);
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///
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virtual ~GScreen();
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/// Sets the cursor color to LColor::cursor.
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virtual void setCursorColor(Glib::RefPtr<Gdk::GC> gc);
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///
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virtual void removeCursor();
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///
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virtual void showCursor(int x, int y, int h,
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Cursor_Shape shape);
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protected:
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/// get the work area
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virtual WorkArea & workarea() const { return owner_; }
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/// Copies specified area of pixmap to screen
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virtual void expose(int x, int y, int w, int h);
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private:
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/// our owning widget
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GWorkArea & owner_;
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///
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Glib::RefPtr<Gdk::Pixmap> cursorPixmap_;
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///
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int cursorX_;
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///
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int cursorY_;
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///
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int cursorW_;
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///
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int cursorH_;
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};
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#endif
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