lyx_mirror/src/WorkArea.h

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// -*- C++ -*-
/* This file is part of
* ======================================================
*
* LyX, The Document Processor
*
* Copyright 1995 Matthias Ettrich
* Copyright 1995-2001 The LyX Team.
*
* ======================================================*/
#ifndef WORKAREA_H
#define WORKAREA_H
#ifdef __GNUG__
#pragma interface
#endif
#include <utility>
#include <sigc++/signal_system.h>
#include FORMS_H_LOCATION
#include "Painter.h"
///
class 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; }
///
unsigned int height() const { return work_area->h; }
//unsigned int height() const { return backgroundbox->h; }
///
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; }
///
void resize(int xpos, int ypos, int width, int height);
///
void redraw() const {
fl_redraw_object(work_area);
fl_redraw_object(scrollbar);
}
///
void setFocus() const;
///
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;
}
///
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);
///
string const getClipboard() const;
///
void putClipboard(string const &) const;
// Signals
///
SigC::Signal0<void> workAreaExpose;
///
SigC::Signal1<void, double> scrollCB;
///
SigC::Signal2<void, KeySym, unsigned int> workAreaKeyPress;
///
SigC::Signal3<void, int, int, unsigned int> workAreaButtonPress;
///
SigC::Signal3<void, int, int, unsigned int> workAreaButtonRelease;
///
SigC::Signal3<void, int, int, unsigned int> workAreaMotionNotify;
///
SigC::Signal0<void> workAreaFocus;
///
SigC::Signal0<void> workAreaUnfocus;
///
SigC::Signal0<void> workAreaEnter;
///
SigC::Signal0<void> workAreaLeave;
///
SigC::Signal3<void, int, int, unsigned int> workAreaDoubleClick;
///
SigC::Signal3<void, int, int, unsigned int> workAreaTripleClick;
private:
///
void createPixmap(int, int);
///
FL_OBJECT * backgroundbox;
///
FL_OBJECT * work_area;
///
FL_OBJECT * scrollbar;
/// The pixmap overlay on the workarea
Pixmap workareapixmap;
///
Painter painter_;
///
FL_OBJECT * figinset_canvas;
/// if we call redraw with true needed for locking-insets
bool screen_cleared;
};
#endif