| 1 | /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ |
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| 2 | /* This file is part of the GtkHTML library |
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| 3 | |
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| 4 | Copyright (C) 2000 Helix Code, Inc. |
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| 5 | Authors: Radek Doulik (rodo@helixcode.com) |
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| 6 | |
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| 7 | This library is free software; you can redistribute it and/or |
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| 8 | modify it under the terms of the GNU Library General Public |
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| 9 | License as published by the Free Software Foundation; either |
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| 10 | version 2 of the License, or (at your option) any later version. |
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| 11 | |
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| 12 | This library is distributed in the hope that it will be useful, |
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| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 15 | Library General Public License for more details. |
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| 16 | |
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| 17 | You should have received a copy of the GNU Library General Public License |
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| 18 | along with this library; see the file COPYING.LIB. If not, write to |
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| 19 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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| 20 | Boston, MA 02111-1307, USA. |
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| 21 | */ |
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| 22 | |
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| 23 | #ifndef _HTML_INTERVAL_H_ |
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| 24 | #define _HTML_INTERVAL_H_ |
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| 25 | |
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| 26 | #include "htmltypes.h" |
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| 27 | |
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| 28 | struct _HTMLPoint { |
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| 29 | HTMLObject *object; |
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| 30 | guint offset; |
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| 31 | }; |
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| 32 | |
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| 33 | HTMLPoint *html_point_new (HTMLObject *o, |
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| 34 | guint off); |
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| 35 | void html_point_construct (HTMLPoint *p, |
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| 36 | HTMLObject *o, |
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| 37 | guint off); |
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| 38 | void html_point_destroy (HTMLPoint *p); |
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| 39 | HTMLPoint *html_point_max (HTMLPoint *a, |
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| 40 | HTMLPoint *b); |
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| 41 | HTMLPoint *html_point_min (HTMLPoint *a, |
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| 42 | HTMLPoint *b); |
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| 43 | gboolean html_point_eq (const HTMLPoint *a, |
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| 44 | const HTMLPoint *b); |
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| 45 | gboolean html_point_cursor_object_eq (HTMLPoint *p, |
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| 46 | HTMLPoint *c); |
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| 47 | void html_point_next_cursor (HTMLPoint *p); |
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| 48 | |
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| 49 | struct _HTMLInterval { |
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| 50 | HTMLPoint from; |
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| 51 | HTMLPoint to; |
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| 52 | }; |
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| 53 | |
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| 54 | HTMLInterval *html_interval_new (HTMLObject *from, |
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| 55 | HTMLObject *to, |
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| 56 | guint from_offset, |
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| 57 | guint to_offset); |
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| 58 | HTMLInterval *html_interval_new_from_cursor (HTMLCursor *a, |
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| 59 | HTMLCursor *b); |
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| 60 | HTMLInterval *html_interval_new_from_points (HTMLPoint *from, |
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| 61 | HTMLPoint *to); |
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| 62 | void html_interval_validate (HTMLInterval *i); |
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| 63 | HTMLInterval *html_interval_flat (HTMLInterval *i); |
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| 64 | void html_interval_destroy (HTMLInterval *i); |
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| 65 | guint html_interval_get_length (HTMLInterval *i, |
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| 66 | HTMLObject *obj); |
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| 67 | guint html_interval_get_bytes (HTMLInterval *i, |
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| 68 | HTMLObject *obj); |
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| 69 | guint html_interval_get_start (HTMLInterval *i, |
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| 70 | HTMLObject *obj); |
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| 71 | guint html_interval_get_start_index (HTMLInterval *i, |
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| 72 | HTMLObject *obj); |
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| 73 | HTMLObject *html_interval_get_head (HTMLInterval *i, |
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| 74 | HTMLObject *o); |
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| 75 | void html_interval_select (HTMLInterval *i, |
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| 76 | HTMLEngine *e); |
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| 77 | void html_interval_unselect (HTMLInterval *i, |
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| 78 | HTMLEngine *e); |
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| 79 | gint html_interval_get_from_index (HTMLInterval *i); |
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| 80 | gint html_interval_get_to_index (HTMLInterval *i); |
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| 81 | void html_interval_forall (HTMLInterval *i, |
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| 82 | HTMLEngine *e, |
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| 83 | HTMLObjectForallFunc f, |
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| 84 | gpointer data); |
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| 85 | gboolean html_interval_eq (const HTMLInterval *a, |
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| 86 | const HTMLInterval *b); |
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| 87 | HTMLInterval *html_interval_intersection (HTMLInterval *a, |
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| 88 | HTMLInterval *b); |
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| 89 | void *html_interval_substract (HTMLInterval *a, |
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| 90 | HTMLInterval *b, |
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| 91 | HTMLInterval **s1, |
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| 92 | HTMLInterval **s2); |
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| 93 | #endif |
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