//
// Windows system driver for the Fast Light Tool Kit (FLTK).
//
// Copyright 2010-2021 by Bill Spitzak and others.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file.  If this
// file is missing or damaged, see the license at:
//
//     https://www.fltk.org/COPYING.php
//
// Please see the following page on how to report bugs and issues:
//
//     https://www.fltk.org/bugs.php
//

/**
 \file Fl_WinAPI_System_Driver.H
 \brief Definition of Windows system driver.
 */

#ifndef FL_WINAPI_SYSTEM_DRIVER_H
#define FL_WINAPI_SYSTEM_DRIVER_H

#include "../../Fl_System_Driver.H"
#include <stdarg.h>
#include <string.h>  // strdup

/*
 Move everything here that manages the system interface.

 There is exactly one system driver.

 - filename and pathname management
 - directory and file access
 - system time and system timer
 - multithreading
 - string management
 */

class Fl_WinAPI_System_Driver : public Fl_System_Driver
{
public:
  virtual void warning(const char *format, va_list args);
  virtual void error(const char *format, va_list args);
  virtual void fatal(const char *format, va_list args);
  virtual char *utf2mbcs(const char *s);
  virtual char *getenv(const char *var);
  virtual int putenv(const char *var);
  virtual int open(const char *fnam, int oflags, int pmode);
  virtual int open_ext(const char *fnam, int binary, int oflags, int pmode);
  virtual FILE *fopen(const char *fnam, const char *mode);
  virtual int system(const char *cmd);
  virtual int execvp(const char *file, char *const *argv);
  virtual int chmod(const char *fnam, int mode);
  virtual int access(const char *fnam, int mode);
  virtual int flstat(const char *fnam, struct stat *b);
  virtual char *getcwd(char *b, int l);
  virtual int chdir(const char *path);
  virtual int unlink(const char *fnam);
  virtual int mkdir(const char *fnam, int mode);
  virtual int rmdir(const char *fnam);
  virtual int rename(const char *fnam, const char *newnam);
  virtual unsigned utf8towc(const char *src, unsigned srclen, wchar_t* dst, unsigned dstlen);
  virtual unsigned utf8fromwc(char *dst, unsigned dstlen, const wchar_t* src, unsigned srclen);
  virtual int utf8locale();
  virtual unsigned utf8to_mb(const char *src, unsigned srclen, char *dst, unsigned dstlen);
  virtual unsigned utf8from_mb(char *dst, unsigned dstlen, const char *src, unsigned srclen);
  virtual int clocale_vprintf(FILE *output, const char *format, va_list args);
  virtual int clocale_vsnprintf(char *output, size_t output_size, const char *format, va_list args);
  virtual int clocale_vsscanf(const char *input, const char *format, va_list args);
  // these 2 are in Fl_get_key_win32.cxx
  virtual int event_key(int k);
  virtual int get_key(int k);
  virtual int filename_list(const char *d, dirent ***list,
                            int (*sort)(struct dirent **, struct dirent **),
                            char *errmsg=NULL, int errmsg_sz=0);
  virtual int filename_expand(char *to,int tolen, const char *from);
  virtual int filename_relative(char *to, int tolen, const char *from, const char *base);
  virtual int filename_absolute(char *to, int tolen, const char *from);
  virtual int filename_isdir(const char *n);
  virtual int filename_isdir_quick(const char *n);
  virtual const char *filename_ext(const char *buf);
  virtual int open_uri(const char *uri, char *msg, int msglen);
  virtual int use_recent_tooltip_fix() {return 1;}
  virtual int file_browser_load_filesystem(Fl_File_Browser *browser, char *filename, int lname, Fl_File_Icon *icon);
  virtual int file_browser_load_directory(const char *directory, char *filename, size_t name_size,
                                          dirent ***pfiles, Fl_File_Sort_F *sort,
                                          char *errmsg=NULL, int errmsg_sz=0);
  virtual void newUUID(char *uuidBuffer);
  virtual char *preference_rootnode(Fl_Preferences *prefs, Fl_Preferences::Root root, const char *vendor,
                                    const char *application);
  virtual void *load(const char *filename);
  virtual void png_extra_rgba_processing(unsigned char *array, int w, int h);
  virtual const char *next_dir_sep(const char *start);
  // these 3 are implemented in Fl_lock.cxx
  virtual void awake(void*);
  virtual int lock();
  virtual void unlock();
  // this one is implemented in Fl_win32.cxx
  virtual void* thread_message();
  virtual int file_type(const char *filename);
  virtual const char *home_directory_name();
  virtual const char *filesystems_label() { return "My Computer"; }
  virtual int backslash_as_slash() {return 1;}
  virtual int colon_is_drive() {return 1;}
  virtual int case_insensitive_filenames() {return 1;}
  // this one is implemented in Fl_win32.cxx
  virtual const char *filename_name(const char *buf);
  virtual void add_fd(int fd, int when, Fl_FD_Handler cb, void* = 0);
  virtual void add_fd(int fd, Fl_FD_Handler cb, void* = 0);
  virtual void remove_fd(int, int when);
  virtual void remove_fd(int);
  virtual void gettime(time_t *sec, int *usec);
  virtual char* strdup(const char *s) { return ::_strdup(s); }
  virtual void lock_ring();
  virtual void unlock_ring();
  virtual double wait(double time_to_wait);
  virtual int ready();
};

#endif // FL_WINAPI_SYSTEM_DRIVER_H