/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4; coding: utf-8 -*-
 *
 *   mooedit-private.h
 *
 *   Copyright (C) 2004-2005 by Yevgen Muntyan <muntyan@math.tamu.edu>
 *
 *   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.
 *
 *   See COPYING file that comes with this distribution.
 */

#ifndef MOOEDIT_COMPILATION
#error "Do not include this file"
#endif

#ifndef __MOO_EDIT_PRIVATE_H__
#define __MOO_EDIT_PRIVATE_H__

#include "mooedit/mooeditor.h"
#include "mooedit/mooeditsearch.h"
#include "mooedit/mootextview.h"

G_BEGIN_DECLS


char       *_moo_edit_filename_to_utf8      (const char         *filename);
void        _moo_edit_choose_indenter       (MooEdit            *edit);


/***********************************************************************/
/* GtkTextView stuff
/*/
void        _moo_text_view_move_cursor          (GtkTextView        *text_view,
                                                 GtkMovementStep     step,
                                                 gint                count,
                                                 gboolean            extend_selection);
void        _moo_text_view_delete_from_cursor   (GtkTextView        *text_view,
                                                 GtkDeleteType       type,
                                                 gint                count);
int         _moo_text_view_key_press_event      (GtkWidget          *widget,
                                                 GdkEventKey        *event);
int         _moo_text_view_key_release_event    (GtkWidget          *widget,
                                                 GdkEventKey        *event);
int         _moo_text_view_button_press_event   (GtkWidget          *widget,
                                                 GdkEventButton     *event);
int         _moo_text_view_button_release_event (GtkWidget          *widget,
                                                 GdkEventButton     *event);
int         _moo_text_view_motion_event         (GtkWidget          *widget,
                                                 GdkEventMotion     *event);
int         _moo_text_view_extend_selection     (MooTextView        *view,
                                                 MooTextSelectionType type,
                                                 GtkTextIter        *insert,
                                                 GtkTextIter        *selection_bound);

/***********************************************************************/
/* Preferences
/*/
void        _moo_edit_set_default_settings  (void);
void        _moo_edit_apply_settings        (MooEdit        *edit);
void        _moo_edit_apply_style_settings  (MooEdit        *edit);
void        _moo_edit_settings_changed      (const char     *key,
                                             const GValue   *newval,
                                             MooEdit        *edit);

/***********************************************************************/
/* File operations
/*/

void            _moo_edit_set_filename      (MooEdit    *edit,
                                             const char *file,
                                             const char *encoding);

MooEdit        *_moo_edit_new               (MooEditor  *editor);
MooEditLangMgr *_moo_edit_get_lang_mgr      (MooEdit    *edit);


typedef enum {
    MOO_TEXT_VIEW_DRAG_NONE = 0,
    MOO_TEXT_VIEW_DRAG_SELECT,
    MOO_TEXT_VIEW_DRAG_DRAG
} MooTextViewDragType;


typedef enum {
    MOO_EDIT_LINE_END_UNIX  = 0,
    MOO_EDIT_LINE_END_WIN32 = 1,
    MOO_EDIT_LINE_END_MAC   = 2
} MooEditLineEndType;


typedef struct {
    int          last_search_stamp;
    char        *text;
    char        *replace_with;
    gboolean     regex;
    gboolean     case_sensitive;
    gboolean     backwards;
    gboolean     whole_words;
    gboolean     from_cursor;
    gboolean     dont_prompt_on_replace;
} MooTextSearchParams;

extern MooTextSearchParams *_moo_text_search_params;


struct _MooEditPrivate {
    gboolean constructed;

    MooEditor *editor;

    gulong modified_changed_handler_id;
    gboolean enable_indentation;

    /***********************************************************************/
    /* Document
    /*/
    char *filename;
    char *basename;
    char *display_filename;
    char *display_basename;

    gboolean readonly;

    char *encoding;
    MooEditLineEndType line_end_type;
    MooEditStatus status;

    MooEditOnExternalChanges file_watch_policy;
    GTime timestamp;
    guint file_watch_id;
    gulong focus_in_handler_id;
    guint file_watch_timeout;

    /***********************************************************************/
    /* Language stuff
    /*/
    MooEditLang *lang;
    gboolean lang_custom;

    /***********************************************************************/
    /* Preferences
    /*/
    guint prefs_notify;
};


struct _MooTextViewPrivate {
    gboolean constructed;

    gulong can_undo_handler_id;
    gulong can_redo_handler_id;

    gboolean highlight_current_line;
    GdkColor current_line_color;
    GdkGC *current_line_gc;
    gboolean show_tabs;

    /***********************************************************************/
    /* Search
    /*/
    int last_search_stamp;
    GtkTextMark *last_found_start, *last_found_end;

    /***********************************************************************/
    /* Indentation
    /*/
    MooIndenter *indenter;
    gboolean tab_indents;
    gboolean shift_tab_unindents;
    gboolean backspace_indents;
    gboolean enter_indents;
    /* key press handler sets this flag in order to distinguish typed in
       characters in buffer's insert-text signal */
    gboolean in_key_press;

    /***********************************************************************/
    /* Keyboard
    /*/
    gboolean ctrl_up_down_scrolls;
    gboolean ctrl_page_up_down_scrolls;

    /***********************************************************************/
    /* Selection and drag
    /*/
    guint           drag_scroll_timeout;
    GdkEventType    drag_button;
    MooTextViewDragType drag_type;
    int             drag_start_x;
    int             drag_start_y;
    guint           drag_moved                      : 1;
    guint           double_click_selects_brackets   : 1;
    guint           double_click_selects_inside     : 1;
};


MooEditPrivate *_moo_edit_private_new (void);
MooTextViewPrivate *_moo_text_view_private_new (void);


G_END_DECLS

#endif /* __MOO_EDIT_PRIVATE_H__ */