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//
// Copyright 2007-2009 Johannes Hofmann <Johannes.Hofmann@gmx.de>
//
// This software may be used and distributed according to the terms
// of the GNU General Public License, incorporated herein by reference.
#ifndef GsWidget_H
#define GsWidget_H
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <signal.h>
#include <stdlib.h>
#include <FL/Fl.H>
#include <FL/Fl_Window.H>
#include <FL/x.H>
#include "PostscriptDSC.H"
class GsWidget : public Fl_Widget {
private:
PostscriptDSC *dsc;
int gs_win;
Atom atoms[5];
pid_t gs_pid;
int display_x, display_y;
int in_fd, reload_needed;
int zoom_percent;
int initial_width, initial_height;
int feeding;
void resize();
void clear();
protected:
int page;
Fl_Offscreen offscreen;
int xdpi, ydpi;
int paper_x, paper_y;
void draw();
public:
GsWidget(int X,int Y,int W, int H);
~GsWidget();
int open_file(char *f);
int open_file(int fd);
int load();
int load_page(int p);
int reload();
int next();
int prev();
int handleX11(int ev);
int zoom(int p);
int get_page();
int get_pages();
private:
void setProps();
void exec_gs();
void kill_gs();
int fd_copy(int to, int from, size_t len);
bool gs_active();
};
#endif
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