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c54aa1668e
* indent.h (compute_motion, vmotion): Add byte position argument. * indent.c (compute_motion): Use it and avoid CHAR_TO_BYTE. Add eassert. (Fcompute_motion): Break long line. Adjust call to compute_motion. Use list5 for return value. (vmotion): Use byte position argument and avoid call to CHAR_TO_BYTE. Adjust comments, style and calls to compute_motion. (Fvertical_motion): Adjust call to vmotion. * window.c (Fdelete_other_windows_internal): Record window start byte position and adjust call to vmotion. (window_scroll_line_based): Likewise with call to compute_motion. Use SET_PT_BOTH. (Frecenter): Adjust calls to vmotion.
53 lines
2 KiB
C
53 lines
2 KiB
C
/* Definitions for interface to indent.c
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Copyright (C) 1985-1986, 2001-2013 Free Software Foundation, Inc.
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This file is part of GNU Emacs.
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GNU Emacs is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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GNU Emacs is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
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struct position
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{
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ptrdiff_t bufpos;
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ptrdiff_t bytepos;
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EMACS_INT hpos;
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EMACS_INT vpos;
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EMACS_INT prevhpos;
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int contin;
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};
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struct position *compute_motion (ptrdiff_t from, ptrdiff_t frombyte,
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EMACS_INT fromvpos, EMACS_INT fromhpos,
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bool did_motion, ptrdiff_t to,
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EMACS_INT tovpos, EMACS_INT tohpos,
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EMACS_INT width, ptrdiff_t hscroll,
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int tab_offset, struct window *);
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struct position *vmotion (ptrdiff_t from, ptrdiff_t from_byte,
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EMACS_INT vtarget, struct window *);
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ptrdiff_t skip_invisible (ptrdiff_t pos, ptrdiff_t *next_boundary_p,
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ptrdiff_t to, Lisp_Object window);
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/* Value of point when current_column was called */
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extern ptrdiff_t last_known_column_point;
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/* Functions for dealing with the column cache. */
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/* Return true if the display table DISPTAB specifies the same widths
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for characters as WIDTHTAB. We use this to decide when to
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invalidate the buffer's column_cache. */
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bool disptab_matches_widthtab (struct Lisp_Char_Table *disptab,
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struct Lisp_Vector *widthtab);
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/* Recompute BUF's width table, using the display table DISPTAB. */
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void recompute_width_table (struct buffer *buf,
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struct Lisp_Char_Table *disptab);
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