// -*- C++ -*-
-/* This file is part of
- * ======================================================
+/**
+ * \file XWorkArea.h
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
*
- * LyX, The Document Processor
+ * \author unknown
+ * \author John Levon
*
- * Copyright 1995 Matthias Ettrich
- * Copyright 1995-2001 The LyX Team.
- *
- * ======================================================*/
-
-#ifndef WORKAREA_H
-#define WORKAREA_H
+ * Full author contact details are available in file CREDITS.
+ */
-#ifdef __GNUG__
-#pragma interface
-#endif
+#ifndef XWORKAREA_H
+#define XWORKAREA_H
-#include <utility>
+#include "frontends/WorkArea.h"
+#include "XPainter.h"
-#include <sigc++/signal_system.h>
+#include "lyx_forms.h"
-#include FORMS_H_LOCATION
-#include "frontends/Painter.h"
-#include "frontends/mouse_state.h"
-#include "frontends/key_state.h"
///
-class WorkArea {
+class XWorkArea : public WorkArea {
public:
///
- WorkArea(int xpos, int ypos, int width, int height);
- ///
- ~WorkArea();
- ///
- Painter & getPainter() { return painter_; }
- ///
- int workWidth() const { return work_area->w; }
- ///
- unsigned int width() const { return work_area->w + scrollbar->w; }
- //unsigned int width() const { return backgroundbox->w + 15; }
+ XWorkArea(int xpos, int ypos, int width, int height);
///
- unsigned int height() const { return work_area->h; }
- //unsigned int height() const { return backgroundbox->h; }
+ ~XWorkArea();
///
- int xpos() const { return work_area->x; }
- //int xpos() const { return backgroundbox->x; }
- ///
- int ypos() const { return work_area->y; }
- //int ypos() const { return backgroundbox->y; }
+ virtual Painter & getPainter() { return painter_; }
///
- void resize(int xpos, int ypos, int width, int height);
+ virtual int workWidth() const { return work_area->w; }
///
- void redraw() const {
- fl_redraw_object(work_area);
- fl_redraw_object(scrollbar);
- }
- ///
- void setFocus() const;
+ virtual int workHeight() const { return work_area->h; }
///
Window getWin() const { return work_area->form->window; }
///
- bool hasFocus() const { return work_area->focus; }
- ///
- bool active() const { return work_area->active; }
- ///
- bool belowMouse() const;
- ///
- bool visible() const { return work_area->form->visible; }
- ///
- void greyOut() const;
- ///
- void setScrollbar(double pos, double length_fraction) const;
- ///
- void setScrollbarValue(double y) const {
- fl_set_scrollbar_value(scrollbar, y);
- }
- ///
- void setScrollbarBounds(double, double) const;
- ///
- void setScrollbarIncrements(double inc) const;
- ///
- double getScrollbarValue() const {
- return fl_get_scrollbar_value(scrollbar);
- }
- ///
- std::pair<float, float> const getScrollbarBounds() const {
- std::pair<float, float> p;
- fl_get_scrollbar_bounds(scrollbar, &p.first, &p.second);
- return p;
- }
+ virtual void setScrollbarParams(int height, int pos, int line_height);
///
Pixmap getPixmap() const { return workareapixmap; }
/// xforms callback
static int work_area_handler(FL_OBJECT *, int event,
FL_Coord, FL_Coord,
int /*key*/, void * xev);
- /// xforms callback
- static void scroll_cb(FL_OBJECT *, long);
+
+ /// return x position of window
+ int xpos() const { return work_area->x; }
+ /// return y position of window
+ int ypos() const { return work_area->y; }
+
+ /// xforms callback from scrollbar
+ void scroll_cb();
/// a selection exists
- void haveSelection(bool) const;
- ///
- string const getClipboard() const;
- ///
- void putClipboard(string const &) const;
- // Signals
- ///
- SigC::Signal0<void> workAreaExpose;
- ///
- SigC::Signal1<void, double> scrollCB;
- ///
- SigC::Signal2<void, KeySym, key_modifier::state> workAreaKeyPress;
- ///
- SigC::Signal3<void, int, int, mouse_button::state> workAreaButtonPress;
- ///
- SigC::Signal3<void, int, int, mouse_button::state> workAreaButtonRelease;
- ///
- SigC::Signal3<void, int, int, mouse_button::state> workAreaMotionNotify;
- ///
- SigC::Signal0<void> workAreaFocus;
- ///
- SigC::Signal0<void> workAreaUnfocus;
+ virtual void haveSelection(bool) const;
///
- SigC::Signal0<void> workAreaEnter;
+ virtual std::string const getClipboard() const;
///
- SigC::Signal0<void> workAreaLeave;
- ///
- SigC::Signal3<void, int, int, mouse_button::state> workAreaDoubleClick;
- ///
- SigC::Signal3<void, int, int, mouse_button::state> workAreaTripleClick;
- /// emitted when an X client has requested our selection
- SigC::Signal0<void> selectionRequested;
- /// emitted when another X client has stolen our selection
- SigC::Signal0<void> selectionLost;
+ virtual void putClipboard(std::string const &) const;
/// handles SelectionRequest X Event, to fill the clipboard
int event_cb(XEvent * xev);
private:
- ///
- void createPixmap(int, int);
+ /// generate the pixmap, and copy backing pixmap to it,
+ /// and send resize event if needed
+ void redraw(int, int);
- ///
- FL_OBJECT * backgroundbox;
- ///
+ /// GC used for copying to the screen
+ GC copy_gc;
+
+ /// the workarea free object
FL_OBJECT * work_area;
- ///
+ /// the scrollbar objcet
FL_OBJECT * scrollbar;
- ///
- mutable FL_OBJECT * splash_;
- ///
- mutable FL_OBJECT * splash_text_;
/// The pixmap overlay on the workarea
Pixmap workareapixmap;
- ///
- Painter painter_;
+ /// the xforms-specific painter
+ XPainter painter_;
/// if we call redraw with true needed for locking-insets
bool screen_cleared;
+ /// the current document's height (for scrollbar)
+ int doc_height_;
};
-#endif
+
+#endif // XWORKAREA_H
projects / lyx.git / blobdiff