/*  ----------------------------------------------------------------------

    Copyright (C) 1998  Cesar Miquel  (miquel@df.uba.ar)

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

    ---------------------------------------------------------------------- */


#include <time.h>
#include "gtk/gtk.h"
#include <stdio.h>

#ifndef __LOGVIEW_H__
#define __LOGVIEW_H__

#define LOG_LINESEP              15

#define LINES_P_PAGE             40
#define NUM_PAGES                5 
#define MAX_WIDTH                240
#define MAX_PROC_WIDTH           20
#define NUM_LOGS                 2
#define R_BUF_SIZE               1024	/* Size of read buffer */
#define MAX_NUM_LOGS             10


#define SPARE_LINES              5
#define LOG_CANVAS_H             500
#define LOG_CANVAS_W             650
#define LOG_BOTTOM_MARGIN        200

#define LOG_WINDOW_W             LOG_CANVAS_W+15
#define LOG_WINDOW_H             LOG_CANVAS_H+LOG_BOTTOM_MARGIN

#define LOGVIEW_VERSION		 "0.1"


/*
 *    ,----------.
 *    | Typedefs |
 *    `----------'
 */

typedef void (*MenuCallback) (GtkWidget * widget, gpointer user_data);
typedef struct __menu_item MenuItem;

typedef struct
{
  /* Fonts ----------------------------------------------------- */
  GdkFont *heading, *headingb, *fixed, *fixedb, *small;

  /* Colors ---------------------------------------------------- */
  GdkColor black, green, blue, blue1, blue3, gray25, gray50;
  GdkColor gray75, white;
  GdkVisual *vis;
  GdkColormap *cmap;

  /* Styles ---------------------------------------------------- */
  GtkStyle *main_style, *white_bg_style, *black_bg_style;

  /* Paths ----------------------------------------------------- */
  char *regexp_db_path, *descript_db_path, *action_db_path;

} ConfigData;

struct __menu_item
{
   char *name;
   char accel;
   MenuCallback callback;
   MenuItem *submenu;
};

struct __datemark
{
  time_t time;		/* date           */
  struct tm fulldate;
  long offset;		/* offset in file */
  char year;		/* to correct for logfiles with many years */
  long ln;		/* Line # from begining of file */
  struct __datemark *next, *prev;
};

typedef struct __datemark DateMark;

typedef struct
{
  time_t startdate, enddate;
  time_t mtime;
  long numlines;
  long size;
  DateMark *firstmark, *lastmark;
}
LogStats;

typedef struct
{
  char tag[50];
  char *regexp;
  char *description;
  int level;
} Description;

typedef struct
{
  char *regexp;
  GList *matching;
} ProcessDB;

typedef struct
{
  char *text;
  char tag[50];
} DescriptionEntry;
  
typedef struct
{
  char tag[50];
  char *log_name;
  char *process;
  char *message;
  char *description;
  char *action;
} Action;

typedef struct
{
  char message[MAX_WIDTH];
  char process[MAX_PROC_WIDTH];
  char month;
  char date;
  char hour;
  char min;
  char sec;
  Description *description;
} LogLine;

struct log_page
{
   int numlines;
   int islastpage, isfirstpage;
   int fl, ll;
   LogLine line[LINES_P_PAGE];
   long firstchpos, lastchpos;
   struct log_page *next, *prev;
};

typedef struct log_page Page;
typedef void (*MonActions)();

typedef struct
{
  FILE *fp;
  Page *currentpg;
  Page *firstpg, *lastpg;
  DateMark *curmark;
  char name[30];
  int firstline;	/* Line at top of screen relative to current page. */
  long ln;		/* Line at top of screen relative to start of log. */
  int pointerln;	/* Line number where the pointer is.               */
  Page *pointerpg;	/* Page where the pointer is.                      */
  LogStats lstats;

  /* Monitor info */
  GtkCList *mon_lines;
  MonActions alert;
  long offset_end;
  int mon_on;		/* Flag set if we are monitoring this log          */
  int mon_numlines;
}
Log;


/*
 *    ,---------------------.
 *    | Function Prototypes |
 *    `---------------------'
 */

void StubCall (GtkWidget *, gpointer);
void InitBlackStyle( GtkStyle *cs );
void ShowErrMessage (char *msg);
GtkWidget *AddMenu (MenuItem * items);
GtkWidget *ButtonWithPixmap (char **xpmdata, int w, int h);
ConfigData *CreateConfig();
void set_scrollbar_size (int);
int repaint_zoom (GtkWidget * widget, GdkEventExpose * event);
void MoveToMark (Log *log);
void ScrollUp (int howmuch);
void ScrollDown (int howmuch);
void InitCalendarData ();
int RepaintCalendar (GtkWidget * widget, GdkEventExpose * event);
int read_descript_db (char *filename, GList **db);
int find_tag_in_db (LogLine *line, GList *db);

#endif /* __LOGVIEW_H__ */