| 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 | |
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| 6 | This library is free software; you can redistribute it and/or |
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| 7 | modify it under the terms of the GNU Library General Public |
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| 8 | License as published by the Free Software Foundation; either |
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| 9 | version 2 of the License, or (at your option) any later version. |
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| 10 | |
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| 11 | This library is distributed in the hope that it will be useful, |
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | MERCHcANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 14 | Library General Public License for more details. |
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| 15 | |
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| 16 | You should have received a copy of the GNU Library General Public License |
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| 17 | along with this library; see the file COPYING.LIB. If not, write to |
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| 18 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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| 19 | Boston, MA 02111-1307, USA. |
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| 20 | */ |
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| 21 | |
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| 22 | #ifndef _HTML_UNDO_H |
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| 23 | #define _HTML_UNDO_H |
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| 24 | |
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| 25 | #define HTML_UNDO_LIMIT 1024 |
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| 26 | |
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| 27 | #include "htmlundo-action.h" |
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| 28 | #include "htmlenums.h" |
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| 29 | |
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| 30 | #define HTML_UNDO_DATA(x) ((HTMLUndoData *) x) |
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| 31 | struct _HTMLUndoData { |
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| 32 | HTMLUndoDataDestroyFunc destroy; |
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| 33 | gint ref_count; |
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| 34 | }; |
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| 35 | |
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| 36 | HTMLUndo *html_undo_new (void); |
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| 37 | void html_undo_destroy (HTMLUndo *undo); |
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| 38 | void html_undo_do_undo (HTMLUndo *undo, |
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| 39 | HTMLEngine *engine); |
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| 40 | void html_undo_do_redo (HTMLUndo *undo, |
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| 41 | HTMLEngine *engine); |
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| 42 | void html_undo_discard_redo (HTMLUndo *undo); |
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| 43 | void html_undo_add_undo_action (HTMLUndo *undo, |
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| 44 | HTMLUndoAction *action); |
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| 45 | void html_undo_add_redo_action (HTMLUndo *undo, |
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| 46 | HTMLUndoAction *action); |
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| 47 | void html_undo_add_action (HTMLUndo *undo, |
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| 48 | HTMLUndoAction *action, |
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| 49 | HTMLUndoDirection dir); |
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| 50 | gboolean html_undo_has_undo_steps (HTMLUndo *undo); |
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| 51 | void html_undo_reset (HTMLUndo *undo); |
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| 52 | void html_undo_level_begin (HTMLUndo *undo, |
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| 53 | const gchar *undo_description, |
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| 54 | const gchar *redo_description); |
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| 55 | void html_undo_level_end (HTMLUndo *undo); |
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| 56 | gint html_undo_get_step_count (HTMLUndo *undo); |
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| 57 | void html_undo_freeze (HTMLUndo *undo); |
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| 58 | void html_undo_thaw (HTMLUndo *undo); |
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| 59 | /* |
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| 60 | * Undo Data |
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| 61 | */ |
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| 62 | void html_undo_data_init (HTMLUndoData *data); |
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| 63 | void html_undo_data_ref (HTMLUndoData *data); |
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| 64 | void html_undo_data_unref (HTMLUndoData *data); |
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| 65 | /* |
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| 66 | * Undo Direction |
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| 67 | */ |
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| 68 | HTMLUndoDirection html_undo_direction_reverse (HTMLUndoDirection dir); |
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| 69 | |
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| 70 | #endif /* _HTML_UNDO_H */ |
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