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lyx-0.13.2
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src
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BufferView.h
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C/C++ Source or Header
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1998-04-23
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158 lines
// -*- C++ -*-
/* This file is part of
* ======================================================
*
* LyX, The Document Processor
*
* Copyright (C) 1995 Matthias Ettrich
* Copyright (C) 1995-1998 The LyX Team.
*
*======================================================*/
#ifndef _BUFFER_VIEW_H
#define _BUFFER_VIEW_H
#ifdef __GNUG__
#pragma interface
#endif
#include FORMS_H_LOCATION
class LyXView;
class Buffer;
class LyXScreen;
class BackStack;
///
class BufferView {
public:
///
BufferView(LyXView *owner, int ,int ,int, int);
///
~BufferView();
///
Buffer *currentBuffer() { return _buffer; }
///
FL_OBJECT *getWorkArea() { return work_area; }
/// Same as setBuffer but takes care of the locking inset.
void switchBuffer(Buffer *);
///
void setBuffer(Buffer *b);
///
void resize();
///
void redraw();
///
void fitCursor();
///
void update();
///
void updateScrollbar();
///
void redoCurrentBuffer();
///
int resizeCurrentBuffer();
///
void gotoError();
///
void cursorPrevious();
///
void cursorNext();
///
bool available() const;
///
LyXView *getOwner() { return _owner; }
///
LyXScreen *getScreen()
{
fl_set_timer(timer_cursor, 0.4);
return screen;
}
///
void savePosition();
///
void restorePosition();
private:
/// Update pixmap of screen
void updateScreen();
///
int workAreaExpose();
///
void create_view(int, int, int, int);
///
bool checkInsetHit(int &x, int &y);
///
int ScrollUp(long time);
///
int ScrollDown(long time);
///
void ScrollUpOnePage(long /*time*/);
///
void ScrollDownOnePage(long /*time*/);
/// A callback for the up arrow in the scrollbar.
static void UpCB(FL_OBJECT *ob, long);
/// A callback for the slider in the scrollbar.
static void ScrollCB(FL_OBJECT *ob, long);
/// A callback for the down arrow in the scrollbar.
static void DownCB(FL_OBJECT *ob, long);
/** Work area free object handler
*/
static int work_area_handler(FL_OBJECT *, int event,
FL_Coord, FL_Coord, int key, void *xev);
///
int WorkAreaMotionNotify(FL_OBJECT *ob,
Window win,
int w, int h,
XEvent *ev, void *d);
///
int WorkAreaSelectionNotify(FL_OBJECT *, Window win,
int /*w*/, int /*h*/,
XEvent *event, void */*d*/);
///
int WorkAreaButtonPress(FL_OBJECT *ob,
Window win,
int w, int h,
XEvent *ev, void *d);
///
int WorkAreaButtonRelease(FL_OBJECT *ob,
Window win,
int w, int h,
XEvent *ev, void *d);
///
static void CursorToggleCB(FL_OBJECT *ob, long);
///
LyXView *_owner;
///
Buffer *_buffer;
///
LyXScreen *screen;
///
long current_scrollbar_value;
///
int work_area_width;
///
bool lyx_focus;
///
bool work_area_focus;
///
FL_OBJECT *work_area;
///
FL_OBJECT *figinset_canvas;
///
FL_OBJECT *scrollbar;
///
FL_OBJECT *button_down;
///
FL_OBJECT *button_up;
///
FL_OBJECT *timer_cursor;
///
BackStack *backstack;
};
#endif