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blender-archive/source/blender/editors/include/ED_text.h
Campbell Barton 366865dd02 Undo System: replace with simpler binary diffing buffer storage
Applying/undoing incremental changes didn't fit well when
mixed with periodic snapshots from mem-file undo.

This moves to a much simpler undo system.

- Uses array storage with de-duplication from `BLI_array_store`.
- Loads the buffer into existing text data,
  for better performance on large files.
- Has the advantage that Python operators can be supported
  since we don't depend on hard coded undo operations.

Solves T67045, T66695, T65909.
2019-07-17 21:19:22 +10:00

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1.3 KiB
C++

/*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2009 Blender Foundation.
* All rights reserved.
*/
/** \file
* \ingroup editors
*/
#ifndef __ED_TEXT_H__
#define __ED_TEXT_H__
struct ARegion;
struct SpaceText;
struct UndoStep;
struct UndoType;
bool ED_text_region_location_from_cursor(struct SpaceText *st,
struct ARegion *ar,
const int cursor_co[2],
int r_pixel_co[2]);
/* text_undo.c */
void ED_text_undosys_type(struct UndoType *ut);
struct UndoStep *ED_text_undo_push_init(struct bContext *C);
#endif /* __ED_TEXT_H__ */