From: Eli Zaretskii Date: Tue, 30 Mar 2010 09:02:07 +0000 (-0400) Subject: Removed src/ChangeLog.bidi from bzr. X-Git-Tag: emacs-pretest-24.0.90~104^2~275^2~438^2~635^2 X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=4d6ea387e7527aa73d7664e98bfd2e2c24b1628d;p=emacs.git Removed src/ChangeLog.bidi from bzr. --- diff --git a/src/ChangeLog.bidi b/src/ChangeLog.bidi deleted file mode 100644 index 33982c21450..00000000000 --- a/src/ChangeLog.bidi +++ /dev/null @@ -1,582 +0,0 @@ -2010-03-29 Eli Zaretskii - - * doc/emacs/mule.texi (International): Mention support of - bidirectional editing. - (Bidirectional Editing): New section. - -2010-03-28 Eli Zaretskii - - * etc/HELLO: Reorder Arabic and Hebrew into logical order, and - insert RLM before the opening paren, to make the display more - reasonable. Add setting for bidi-display-reordering in the local - variables section. - - * lisp/files.el: Make bidi-display-reordering safe variable for - boolean values. - - * xdisp (append_glyph): If the glyph row is reversed, prepend the - glyph rather than appending it. - - * makefile.w32-in (OBJ1): Add $(BLD)/bidi.$(O). - ($(BLD)/bidi.$(O)): New target. - - * bidi.c (bidi_get_next_char_visually): Improve commentary. - - * dispextern.h (PRODUCE_GLYPHS): Set the reversed_p flag in the - iterator's glyph_row here. - - * xdisp.c (handle_invisible_prop, set_iterator_to_next) - (next_element_from_buffer): Don't set the reversed_p flag in the - iterator's glyph_row here. - -2010-03-20 Eli Zaretskii - - * xdisp.c (set_cursor_from_row): Don't miss a candidate row whose - glyph->charpos is an exact match for point. - (try_cursor_movement): Don't give up if rows are bidi-reordered - and point moved backwards. Instead, back up to the row that is - not a continuation line. - -2010-03-13 Eli Zaretskii - - * xdisp.c (try_cursor_movement): Give up if rows are - bidi-reordered and point moved backwards. Examine all the - candidate rows that occlude point, to return the best match. - (row_containing_pos): With bidi-reordered rows, don't return the - first one that occludes point; rather, examine all candidates and - return the best match, with he glyph that's closest to point. - (display_line): When looking for min position, don't consider - negative values of glyph->charpos. (Fixes a crash with "C-x 3" at - ZV.) Record the position after EOL in it->eol_pos, and use it to - set end_pos of the last row produced for a continued line. Fix - the condition for passing candidate rows to set_cursor_from_row: - check ends_at_zv_p flag of the best candidate row, not of the - current row. - - * dispextern.h (struct it): New member eol_pos. - - * .gdbinit (prowlims): Display the ends_at_zv_p flag. - -2010-03-06 Eli Zaretskii - - * .gdbinit (prowlims, pmtxrows): New commands. - - * xdisp.c (display_line): Special-case the calculation of row->end - in rows that end at ZV, to avoid abort in CHAR_TO_BYTE. Handle - empty lines correctly when calculating row's max and min pos. - Display cursor at the first glyph row that has its ends_at_zv_p - flag set. - -2010-02-20 Eli Zaretskii - - * xdisp.c (set_cursor_from_row): Compare candidate cursor - positions only in rows whose buffer positions occlude point. - (display_line): Fix computation of row->start and row->end for - empty lines. - - * dispnew.c (row_equal_p): Compare the reversed_p attributes as - well. - -2010-02-13 Eli Zaretskii - - * xdisp.c (set_cursor_from_row): Don't overwrite cursor position - if it is not a better candidate than what we already have. - (display_line): Keep calling set_cursor_from_row for - bidi-reordered rows even if we already have a possible candidate - for cursor position. Undo the row_end setting throughout the - code, and instead do it after all the row's glyphs have been - produced, by looping over the glyphs. - -2010-02-06 Eli Zaretskii - - Start working on cursor movement in continuation lines. - * xdisp.c (move_it_in_display_line_to): New variables prev_method - and prev_pos. Compare for strict equality in - BUFFER_POS_REACHED_P. - -2010-01-30 Eli Zaretskii - - Fix fallout from changes to managing glyph row reversed_p flag. - * xdisp.c (init_iterator): Initialize it->glyph_row->reversed_p - flag. - -2010-01-25 Eli Zaretskii - - Clean up the mess with setting the glyph row reversed_p flag. - * dispnew.c (prepare_desired_row): Preserve the reversed_p flag. - - * bidi.c (bidi_cache_find): Use bidi_copy_it instead of copying - the whole struct (which includes uninitialized parts). - (bidi_init_it): Don't initialize bidi_it->paragraph_dir. - - * xdisp.c (display_line): Remove misplaced setting of - row->reversed_p flags. Copy the reversed_p flag to the next glyph - row. - (next_element_from_buffer): Check bidi_it.paragraph_dir rather - than level_stack[0].level. Reset the reversed_p flag for non-R2L - paragraphs. - - Fix display of invisible text. - * xdisp.c (handle_invisible_prop): If we are `reseat'ed, init the - paragraph direction and set the `reversed_p' flag in the IT's - glyph row. Fix exit conditions of the loop that skips invisible - text. Update IT->prev_stop after skipping invisible text. Check - for additional overlays at IT->stop_charpos, not at start_pos. - -2010-01-16 Eli Zaretskii - - * xdisp.c (handle_invisible_prop): Under bidi iteration, skip - invisible text using bidi_get_next_char_visually. - (handle_stop_backwards): Restore it->bidi_p, it->current and - it->position before calling handle_stop. - (next_element_from_buffer): Fix formatting. - -2010-01-09 Eli Zaretskii - - * xdisp.c (handle_stop_backwards): Add a prototype. - (reseat): call handle_stop_backwards to recompute prev_stop and - base_level_stop for the new position. Solves the crash when - scrolling backwards. - -2010-01-02 Eli Zaretskii - - * .gdbinit (pitx): Display some bidi information about the - iterator. - - * dispextern.h (BIDI_AT_BASE_LEVEL): Enclose definition in - parentheses. - - * xdisp.c (handle_stop_backwards): Save and restore it->current - and it->position, instead of expecting the caller to do that. - (next_element_from_buffer): When moving across stop_charpos, - record it in prev_stop. When IT_CHARPOS backs up, call - handle_stop_backwards only if above the base embedding level. - This solves the crash while displaying etc/HELLO in bidi mode. - -2009-12-26 Eli Zaretskii - - * xdisp.c (handle_stop_backwards): Call compute_stop_pos in the - loop, instead of calling handle_stop. Call handle_stop only once, - after the loop. - (next_element_from_buffer): Don't call handle_stop_backwards if at - stop position. If base_level_stop is zero, set it to 1. - - * term.c (append_glyph): Fill resolved_level and bidi_type slots - of struct glyph for unidirectional display. - - * xdisp.c (set_cursor_from_row): Handle zero-width characters. - - * bidi.c (bidi_mirror_char): More efficient code (suggested by - Ehud Karni ). Don't even try to mirror - non-ASCII characters. - -2009-12-19 Eli Zaretskii - - * buffer.c (Fbuffer_swap_text): Swap the values of - bidi_display_reordering and bidi_paragraph_direction. - - * bidi.c (bidi_resolve_weak): Fix nesting of conditions for Wn - processing. Move W3 after W1 and W2. Simplify W4 because it is - now always after W1. - - * .gdbinit (pbiditype): New command. - (pgx): Use it to display bidi level and type of the glyph. - -2009-12-12 Eli Zaretskii - - * dispextern.h (struct it): New members prev_stop and - base_level_stop. - - * xdisp.c (handle_stop_backwards): New function. - (next_element_from_buffer): Handle the situation where we - overstepped stop_charpos due to non-linearity of the bidi - iteration. Likewise for when we back up beyond the previous - stop_charpos. - (reseat_1, pop_it, push_it): Set prev_stop and base_level_stop. - - * dispextern.h (BIDI_AT_BASE_LEVEL): New macro. - - * bidi.c (bidi_copy_it): Fix compiler warning due to cast of a - pointer to `int'. Don't preserve the first_elt member, as it is - no longer copied, because its position in the structure was - changed, see below. - - * dispextern.h (struct bidi_it): Move first_elt, new_paragraph, - separator_limit, and paragraph_dir to after bidi_stack. Add a - note that anything beyond the level stack is not preserved when - the bidi iterator state is copied/saved. - -2009-11-21 Eli Zaretskii - - * xdisp.c (set_cursor_from_row): Fix cursor positioning on empty - lines when integer values of `cursor' property is used on display - strings. - -2009-11-14 Eli Zaretskii - - * xdisp.c (init_iterator, text_outside_line_unchanged_p) - (try_window_id): Rename paragraph_direction to - bidi_paragraph_direction. - (set_cursor_from_row): Handle integer values of `cursor' property - on display strings. - - * buffer.c (init_buffer_once, syms_of_buffer): Rename - paragraph_direction to bidi_paragraph_direction. - - * buffer.h (struct buffer): Rename paragraph_direction to - bidi_paragraph_direction. - -2009-11-07 Eli Zaretskii - - * bidi.c (bidi_paragraph_init): Don't overstep end of buffer. - Treat end of buffer as a NEUTRAL_B character. - (bidi_resolve_explicit): Don't special-case ZV when bidi_it->type - is NEUTRAL_B, since bidi_set_paragraph_end no longer sets the - new_paragraph flag. - -2009-10-31 Eli Zaretskii - - * xdisp.c (display_line): Always extend reversed_p rows to the end - of line. - (set_cursor_from_row): In R2L rows that don't display text, put - the cursor on the rightmost glyph. - -2009-10-24 Eli Zaretskii - - * xdisp.c (set_cursor_from_row): Fix off-by-one error when - skipping over non-character glyphs at end of a reversed row. - - * dispextern.h (struct glyph): The `resolved_level' member needs - only 5 bits, not 6. The `bidi_type' member needs only 3 bits. - (bidi_type_t): Rearrange so that types that can appear in the - resolved type are at the beginning and have values less than 8. - -2009-10-23 Eli Zaretskii - - * bidi.c: Include setjmp.h. - -2009-10-17 Eli Zaretskii - - * dispextern.h (struct glyph): New members resolved_level and - bidi_type. - - * xdisp.c (append_glyph, append_composite_glyph) - (produce_image_glyph, append_stretch_glyph): Set them. - - * term.c (append_glyph): Ditto. - - * xdisp.c (display_line, next_element_from_buffer): Set the glyph - row's reversed_p flag if the paragraph base direction is odd. - (extend_face_to_end_of_line): Don't reverse the glyphs here. - - * term.c (append_glyph): Reverse glyphs here. - - * bidi.c (bidi_get_next_char_visually): Don't exit early when at - ZV. - (bidi_paragraph_init): Don't step over a newline if at BEGV. - -2009-10-16 Eli Zaretskii - - * bidi.c (bidi_paragraph_init): Handle empty buffers. - -2009-10-10 Eli Zaretskii - - * xdisp.c (set_cursor_from_row): Skip over glyphs near end of row - with integer OBJECT even if their CHARPOS is zero. - - * bidi.c (bidi_cache_iterator_state): Don't cache NEW_PARAGRAPH. - Abort if someone tries to add a cached state whose position is not - the immediate successor to that of the last cached state. - (bidi_paragraph_init): Don't bail out too early after a reseat. - -2009-10-09 Eli Zaretskii - - * xdisp.c (text_outside_line_unchanged_p, try_window_id): Disable - optimizations if we are reordering bidirectional text and the - paragraph direction can be affected by the change. - -2009-10-08 Eli Zaretskii - - * xdisp.c (string_buffer_position_lim): New function. - (string_buffer_position): Most of code moved to - string_buffer_position_lim. Last argument and return value are - now EMACS_INT; all callers changed. - (set_cursor_from_row): Rewritten to support bidirectional text and - reversed glyph rows. - - dispextern.h : Update prototype. - -2009-10-07 Eli Zaretskii - - * bidi.c (bidi_paragraph_init): Fix initialization of POS. - - * dispextern.h (struct glyph_row): New member reversed_p. - -2009-10-06 Eli Zaretskii - - * buffer.c (syms_of_buffer): Remove DEFVAR_LISP_NOPRO for - default-direction-reversed, default-bidi-display-reordering, and - default-paragraph-direction. - -2009-10-05 Eli Zaretskii - - * buffer.h (struct buffer): New member paragraph_direction. - * buffer.c (init_buffer_once): Initialize it. - (syms_of_buffer): Declare Lisp variables - default-paragraph-direction and paragraph-direction. - - * dispextern.h (struct it): New member paragraph_embedding. - * xdisp.c (init_iterator): Initialize it from the buffer's value - of paragraph-direction. - : New variables. - (syms_of_xdisp): Initialize and staticpro them. - (set_iterator_to_next, next_element_from_buffer): Use the value of - paragraph_embedding to determine the paragraph direction. - - * bidi.c (bidi_line_init): Fix second argument to - bidi_set_sor_type. - (bidi_init_it): Initialize paragraph_dir to NEUTRAL_DIR. - (bidi_get_next_char_visually): Record the last character of the - separator in separator_limit, not the character after that. - (bidi_find_paragraph_start): Accept character and byte positions - instead of the whole iterator stricture. All callers changed. - -2009-10-04 Eli Zaretskii - - * bidi.c (bidi_at_paragraph_end): Check for paragraph-start if - paragraph-separate failed to match. Return the length of the - matched separator. - (bidi_line_init): New function. - (bidi_paragraph_init): Use bidi_line_init. Do nothing if in the - middle of a paragraph-separate sequence. Don't override existing - paragraph direction if no strong characters found in this - paragraph. Set separator_limit according to what - bidi_at_paragraph_end returns. Reset new_paragraph flag when a - new paragraph is found. - (bidi_init_it): Reset separator_limit. - - * dispextern.h (struct bidi_it): New member separator_limit. - - * bidi.c (bidi_find_paragraph_start): Return the byte position of - the paragraph beginning. - - * xdisp.c (set_iterator_to_next): Call bidi_paragraph_init if the - new_paragraph flag is set in the bidi iterator. - - * bidi.c (bidi_at_paragraph_end, bidi_find_paragraph_start): Use - the buffer-local value of paragraph-start and paragraph-separate. - -2009-10-03 Eli Zaretskii - - * bidi.c (bidi_set_paragraph_end): Don't set the new_paragraph - flag in the iterator. - (bidi_init_it): Set the new_paragraph flag. - (bidi_at_paragraph_end): Arguments are now character and byte - position of the next character. All callers changed. - (bidi_resolve_explicit): Don't call bidi_at_paragraph_end, and - don't behave as if at paragraph end if it returns true. - (bidi_get_next_char_visually): Don't call bidi_paragraph_init if - new_paragraph flags is set. Set new_paragraph flag when at end of - a paragraph. - : New - variables. - : New variables. - (bidi_initialize): Initialize and staticpro them. - - * dispextern.h : New element paragraph_dir. Make - positional elements EMACS_INT. - - * bidi.c : Delete. - -2009-09-28 Eli Zaretskii - - * bidi.c (bidi_init_it): Initialize charpos, bytepos, and - first_elt before calling bidi_set_paragraph_end. - (bidi_resolve_explicit): Don't call bidi_set_paragraph_end at - EOB. - (bidi_at_paragraph_end): Don't set new_paragraph flag at EOB. - (bidi_get_type): Accept an additional argument OVERRIDE, per UAX#9 - "Explicit Overrides". All callers changed. - -2009-09-27 Eli Zaretskii - - * xdisp.c (next_element_from_buffer): If called not at line - beginning, start bidi iteration from line beginning. - - * bidi.c (bidi_paragraph_init): Use - bidi_overriding_paragraph_direction instead of a literal zero. - (bidi_initialize): Fix some character types, per Unicode 5.x. - (bidi_get_type): Abort if called with invalid character code. - - * dispextern.h: Add prototype of bidi_mirror_char. - - * xdisp.c (get_next_display_element): Mirror characters whose - resolved type is STRONG_R. - -2009-09-26 Eli Zaretskii - - * bidi.c (bidi_paragraph_init): Don't set bidi_it->ch_len. Abort - if called not at beginning of a new paragraph. - (bidi_get_next_char_visually): Prepare and use a sentinel iterator - state when first_elt flag is set. - - * dispextern.h (struct bidi_it): New struct member first_elt. - - * bidi.c (bidi_init_it): Initialize bidi_it->first_elt. - (bidi_copy_it): Don't copy the first_elt flag. - - * xdisp.c (reseat_1): Initialize bidi_it.first_elt. Move bidi - scan start code from here... - (next_element_from_buffer): ...to here. Use bidi_it.first_elt - flag. - -2009-09-20 Eli Zaretskii - - * xdisp.c (reseat_1): Handle position < BEGV. - - * bidi.c (bidi_paragraph_init): Set bidi_it->ch_len. Handle ZV. - (bidi_init_it): Don't initialize bidi_it->ch_len. - (bidi_resolve_explicit_1): Abort if bidi_it->ch_len was not - initialized. - (bidi_at_paragraph_end, bidi_resolve_explicit_1) - (bidi_resolve_weak, bidi_level_of_next_char): Handle bytepos at - ZV_BYTE. - (bidi_resolve_explicit_1): Handle position < BEGV. - -2009-09-19 Eli Zaretskii - - * xdisp.c (init_iterator): Call bidi_init_it. Set - bidi_it->bytepos if buffer position specified. - (reseat_1): Don't call bidi_init_it. Call bidi_paragraph_init - instead. Move back to preceding character before the call to - bidi_get_next_char_visually. - - * bidi.c: Remove all STANDALONE parts. - (bidi_init_it): Init bidi_it->charpos and bidi_it->bytepos to -1. - Don't call bidi_paragraph_init. Change arguments. - (bidi_paragraph_init): Remove code for negative pos. - - * dispextern.h : Rename orig_type to type_after_w1 and - pristine_type to orig_type. - -2009-09-12 Eli Zaretskii - - * dispnew.c (direct_output_for_insert): Give up if we are - reordering bidirectional text. - - * dispextern.h (IT_STACK_SIZE): Enlarge to 5. - - * xdisp.c (display_line): Set row->end and it->start for the next - row to the next character in logical order. If we are reordering - bidi text, push and pop the iterator before and after momentarily - iterating in logical order. - -2009-09-11 Eli Zaretskii - - Note: The following changes were undone on 2009-09-12. - - * xdisp.c (set_iterator_to_next, reseat, reseat_1) - (reseat_at_next_visible_line_start): Accept additional argument - force_logical_p; all callers changed. If force_logical_p is - non-zero, force iteration in buffer's logical order even in bidi - buffers. - - * dispnew.c (direct_output_for_insert): Call set_iterator_to_next - with additional argument zero. - - * dispextern.h (set_iterator_to_next): Now accepts an additional - argument. - -2009-08-29 Eli Zaretskii - - * xdisp.c (set_cursor_from_row): Don't assume glyph->charpos - increments linearly. - (try_window_reusing_current_matrix): Don't assume glyph->charpos - increments linearly. - -2009-08-28 Eli Zaretskii - - * bidi.c : Default to L2R, - for now. - -2009-08-22 Eli Zaretskii - - * bidi.c (bidi_initialize): staticpro bidi_char_table. - (bidi_check_type): New function. - (bidi_cache_iterator_state, bidi_remember_char) - (bidi_resolve_explicit_1, bidi_resolve_explicit) - (bidi_resolve_weak, bidi_resolve_neutral) - (bidi_level_of_next_char): Use it to validate the bidi type - assigned to the iterator. - -2009-08-15 Eli Zaretskii - - * bidi.c (bidi_initialize): Fix initialization of bidi_type_table. - - * xdisp.c (set_iterator_to_next): Fix position setting after call - to bidi_get_next_char_visually. - -2005-12-03 Eli Zaretskii - - * bidi.c: Include stdio.h unconditionally. Fix and elaborate - commentary. Add Copyright blurb. - -2004-03-08 Kenichi Handa - - * xdisp.c (reseat_1): Call bidi_init_it with a previous position. - - * bidi.c (bidi_init_it): Set bidi_it->ch_len even if POS > 0. - -2004-03-04 Kenichi Handa - - The following changes are to support bidirectional text display. - - * Makefile.in (obj): Include bidi.o. - (bidi.o): New target. - - * bidi.c: New file. - - * buffer.h (struct buffer): New member bidi_display_reordering. - - * buffer.c (init_buffer_once): Initialize bidi_display_reordering. - (syms_of_buffer): Declarations of Lisp variables - default-bidi-display-reordering and bidi-display-reordering. - - * dispextern.h (BIDI_MAXLEVEL): New macro. - (bidi_type_t, bidi_dir_t): New types. - (bidi_saved_info, bidi_stack, bidi_it): New structs. - (struct it): New members bidi_p and bidi_it. - (bidi_init_it): Extern it. - (bidi_get_next_char_visually): Extern it. - - * dispnew.c (direct_output_forward_char): Give up if we need bidi - processing or buffer's direction is right-to-left. - - * xdisp.c (init_iterator): Initialize it->bidi_p. - (reseat_1): Cal bidi_init_it and bidi_get_next_char_visually if - necessary. - (set_iterator_to_next): Cal bidi_get_next_char_visually if - necessary. - - -;; Local Variables: -;; coding: utf-8 -;; add-log-time-zone-rule: t -;; End: - - Copyright (C) 2007, 2008, 2009 Free Software Foundation, Inc. - - This file is part of GNU Emacs. - - GNU Emacs 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 3 of the License, or - (at your option) any later version. - - GNU Emacs 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 GNU Emacs. If not, see .