Mercurial > hg > xemacs-beta
annotate src/extents.h @ 5684:0eb4e96fd261
#'delete-trailing-whitespace needs to work when the region is inactive, too
lisp/ChangeLog addition:
Update its interactive spec to work correctly in XEmacs.
author | Aidan Kehoe <kehoea@parhasard.net> |
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date | Sat, 08 Sep 2012 16:33:48 +0100 |
parents | 308d34e9f07d |
children | a1808d52a34a |
rev | line source |
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428 | 1 /* Copyright (c) 1994, 1995 Free Software Foundation. |
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2 Copyright (c) 1995, 1996, 2002, 2010 Ben Wing. |
428 | 3 |
4 This file is part of XEmacs. | |
5 | |
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6 XEmacs is free software: you can redistribute it and/or modify it |
428 | 7 under the terms of the GNU General Public License as published by the |
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8 Free Software Foundation, either version 3 of the License, or (at your |
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9 option) any later version. |
428 | 10 |
11 XEmacs is distributed in the hope that it will be useful, but WITHOUT | |
12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
14 for more details. | |
15 | |
16 You should have received a copy of the GNU General Public License | |
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17 along with XEmacs. If not, see <http://www.gnu.org/licenses/>. */ |
428 | 18 |
19 /* Synched up with: Not in FSF. */ | |
20 | |
440 | 21 #ifndef INCLUDED_extents_h_ |
22 #define INCLUDED_extents_h_ | |
428 | 23 |
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24 DECLARE_LISP_OBJECT (extent, struct extent); |
428 | 25 #define XEXTENT(x) XRECORD (x, extent, struct extent) |
617 | 26 #define wrap_extent(p) wrap_record (p, extent) |
428 | 27 #define EXTENTP(x) RECORDP (x, extent) |
28 #define CHECK_EXTENT(x) CHECK_RECORD (x, extent) | |
29 #define CONCHECK_EXTENT(x) CONCHECK_RECORD (x, extent) | |
30 | |
872 | 31 struct extent_auxiliary; |
428 | 32 |
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33 DECLARE_LISP_OBJECT (extent_auxiliary, struct extent_auxiliary); |
428 | 34 #define XEXTENT_AUXILIARY(x) \ |
35 XRECORD (x, extent_auxiliary, struct extent_auxiliary) | |
617 | 36 #define wrap_extent_auxiliary(p) wrap_record (p, extent_auxiliary) |
428 | 37 #define EXTENT_AUXILIARYP(x) RECORDP (x, extent_auxiliary) |
38 #define CHECK_EXTENT_AUXILIARY(x) CHECK_RECORD (x, extent_auxiliary) | |
39 #define CONCHECK_EXTENT_AUXILIARY(x) CONCHECK_RECORD (x, extent_auxiliary) | |
40 | |
872 | 41 struct extent_info; |
428 | 42 |
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43 DECLARE_LISP_OBJECT (extent_info, struct extent_info); |
428 | 44 #define XEXTENT_INFO(x) XRECORD (x, extent_info, struct extent_info) |
617 | 45 #define wrap_extent_info(p) wrap_record (p, extent_info) |
428 | 46 #define EXTENT_INFOP(x) RECORDP (x, extent_info) |
47 #define CHECK_EXTENT_INFO(x) CHECK_RECORD (x, extent_info) | |
48 #define CONCHECK_EXTENT_INFO(x) CONCHECK_RECORD (x, extent_info) | |
49 | |
3092 | 50 #ifdef NEW_GC |
51 struct extent_list_marker; | |
52 | |
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53 DECLARE_LISP_OBJECT (extent_list_marker, struct extent_list_marker); |
3092 | 54 #define XEXTENT_LIST_MARKER(x) \ |
55 XRECORD (x, extent_list_marker, struct extent_list_marker) | |
56 #define wrap_extent_list_marker(p) wrap_record (p, extent_list_marker) | |
57 #define EXTENT_LIST_MARKERP(x) RECORDP (x, extent_list_marker) | |
58 #define CHECK_EXTENT_LIST_MARKER(x) CHECK_RECORD (x, extent_list_marker) | |
59 #define CONCHECK_EXTENT_LIST_MARKER(x) CONCHECK_RECORD (x, extent_list_marker) | |
60 | |
61 struct extent_list; | |
62 | |
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63 DECLARE_LISP_OBJECT (extent_list, struct extent_list); |
3092 | 64 #define XEXTENT_LIST(x) XRECORD (x, extent_list, struct extent_list) |
65 #define wrap_extent_list(p) wrap_record (p, extent_list) | |
66 #define EXTENT_LISTP(x) RECORDP (x, extent_list) | |
67 #define CHECK_EXTENT_LIST(x) CHECK_RECORD (x, extent_list) | |
68 #define CONCHECK_EXTENT_LIST(x) CONCHECK_RECORD (x, extent_list) | |
69 | |
70 struct stack_of_extents; | |
71 | |
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72 DECLARE_LISP_OBJECT (stack_of_extents, struct stack_of_extents); |
3092 | 73 #define XSTACK_OF_EXTENTS(x) \ |
74 XRECORD (x, stack_of_extents, struct stack_of_extents) | |
75 #define wrap_stack_of_extents(p) wrap_record (p, stack_of_extents) | |
76 #define STACK_OF_EXTENTSP(x) RECORDP (x, stack_of_extents) | |
77 #define CHECK_STACK_OF_EXTENTS(x) CHECK_RECORD (x, stack_of_extents) | |
78 #define CONCHECK_STACK_OF_EXTENTS(x) CONCHECK_RECORD (x, stack_of_extents) | |
79 #endif /* NEW_GC */ | |
80 | |
872 | 81 /* the layouts for glyphs (extent->flags.glyph_layout). Must fit in 2 bits. */ |
82 typedef enum glyph_layout | |
826 | 83 { |
872 | 84 GL_TEXT, |
85 GL_OUTSIDE_MARGIN, | |
86 GL_INSIDE_MARGIN, | |
87 GL_WHITESPACE | |
88 } glyph_layout; | |
428 | 89 |
872 | 90 struct extent; |
428 | 91 |
872 | 92 void set_extent_endpoints (EXTENT extent, Bytexpos s, Bytexpos e, |
93 Lisp_Object object); | |
428 | 94 |
872 | 95 |
96 void flush_cached_extent_info (Lisp_Object extent_info); | |
647 | 97 |
826 | 98 void set_extent_glyph (EXTENT extent, Lisp_Object glyph, int endp, |
99 glyph_layout layout); | |
100 | |
428 | 101 |
102 /* flags for map_extents() and friends */ | |
103 #define ME_END_CLOSED (1 << 0) | |
104 #define ME_START_OPEN (1 << 1) | |
105 #define ME_ALL_EXTENTS_CLOSED (1 << 2) | |
106 #define ME_ALL_EXTENTS_OPEN (2 << 2) | |
107 #define ME_ALL_EXTENTS_CLOSED_OPEN (3 << 2) | |
108 #define ME_ALL_EXTENTS_OPEN_CLOSED (4 << 2) | |
109 #define ME_ALL_EXTENTS_MASK (7 << 2) | |
110 #define ME_START_IN_REGION (1 << 5) | |
111 #define ME_END_IN_REGION (2 << 5) | |
112 #define ME_START_AND_END_IN_REGION (3 << 5) | |
113 #define ME_START_OR_END_IN_REGION (4 << 5) | |
114 #define ME_IN_REGION_MASK (7 << 5) | |
115 #define ME_NEGATE_IN_REGION (1 << 8) | |
116 /* the following flags are internal-only */ | |
117 #define ME_INCLUDE_INTERNAL (1 << 9) | |
118 #define ME_MIGHT_THROW (1 << 10) | |
119 #define ME_MIGHT_MODIFY_TEXT (1 << 11) | |
120 #define ME_MIGHT_MODIFY_EXTENTS (1 << 12) | |
121 #define ME_MIGHT_MOVE_SOE (1 << 13) | |
122 #define ME_MIGHT_CALL_ELISP (ME_MIGHT_THROW | ME_MIGHT_MODIFY_TEXT | \ | |
123 ME_MIGHT_MODIFY_EXTENTS | ME_MIGHT_MOVE_SOE) | |
124 | |
125 | |
126 extern int inside_undo; | |
442 | 127 extern int in_modeline_generation; |
428 | 128 |
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129 extern Fixnum mouse_highlight_priority; |
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130 |
872 | 131 EXFUN (Fextent_at, 5); |
132 EXFUN (Fextent_property, 3); | |
133 EXFUN (Fput_text_property, 5); | |
134 | |
135 EXFUN (Fdetach_extent, 1); | |
136 EXFUN (Fextent_end_position, 1); | |
137 EXFUN (Fextent_object, 1); | |
138 EXFUN (Fextent_properties, 1); | |
139 EXFUN (Fextent_start_position, 1); | |
140 EXFUN (Fget_char_property, 4); | |
141 EXFUN (Fmake_extent, 3); | |
142 EXFUN (Fnext_extent_change, 2); | |
143 EXFUN (Fprevious_extent_change, 2); | |
2506 | 144 EXFUN (Fprevious_single_char_property_change, 4); |
872 | 145 EXFUN (Fset_extent_endpoints, 4); |
146 EXFUN (Fset_extent_parent, 2); | |
147 EXFUN (Fset_extent_property, 3); | |
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148 EXFUN (Fset_extent_priority, 2); |
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149 EXFUN (Fset_extent_face, 2); |
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150 EXFUN (Fmap_extents, 8); |
872 | 151 |
152 enum extent_at_flag | |
153 { | |
154 EXTENT_AT_DEFAULT = 0, | |
155 EXTENT_AT_AFTER = 0, | |
156 EXTENT_AT_BEFORE, | |
157 EXTENT_AT_AT | |
158 }; | |
159 | |
160 Bytexpos extent_endpoint_byte (EXTENT extent, int endp); | |
161 Charxpos extent_endpoint_char (EXTENT extent, int endp); | |
2506 | 162 Bytexpos next_previous_single_property_change (Bytexpos pos, Lisp_Object prop, |
163 Lisp_Object object, | |
164 Bytexpos limit, | |
165 Boolint next, | |
166 Boolint text_props_only); | |
872 | 167 Lisp_Object get_char_property (Bytexpos position, Lisp_Object prop, |
168 Lisp_Object object, enum extent_at_flag fl, | |
169 int text_props_only); | |
170 void adjust_extents (Lisp_Object object, Memxpos from, | |
171 Memxpos to, int amount); | |
172 void adjust_extents_for_deletion (Lisp_Object object, Bytexpos from, | |
173 Bytexpos to, int gapsize, | |
174 int numdel, int movegapsize); | |
175 void verify_extent_modification (Lisp_Object object, Bytexpos from, | |
176 Bytexpos to, | |
177 Lisp_Object inhibit_read_only_value); | |
178 void process_extents_for_insertion (Lisp_Object object, | |
179 Bytexpos opoint, Bytecount length); | |
180 void process_extents_for_deletion (Lisp_Object object, Bytexpos from, | |
181 Bytexpos to, int destroy_them); | |
182 /* Note the following function is in Charbpos's */ | |
183 void report_extent_modification (Lisp_Object buffer, Charbpos start, | |
184 Charbpos end, int afterp); | |
185 void add_string_extents (Lisp_Object string, struct buffer *buf, | |
186 Bytexpos opoint, Bytecount length); | |
187 void splice_in_string_extents (Lisp_Object string, struct buffer *buf, | |
188 Bytexpos opoint, Bytecount length, | |
189 Bytecount pos); | |
190 void copy_string_extents (Lisp_Object new_string, | |
191 Lisp_Object old_string, | |
192 Bytecount new_pos, Bytecount old_pos, | |
193 Bytecount length); | |
194 void detach_all_extents (Lisp_Object object); | |
195 Lisp_Object extent_at (Bytexpos position, Lisp_Object object, | |
196 Lisp_Object property, EXTENT before, | |
197 enum extent_at_flag at_flag, int all_extents); | |
198 | |
199 | |
428 | 200 struct extent_fragment *extent_fragment_new (Lisp_Object buffer_or_string, |
201 struct frame *frm); | |
202 face_index extent_fragment_update (struct window *w, | |
203 struct extent_fragment *ef, | |
826 | 204 Bytexpos pos, Lisp_Object last_glyph); |
428 | 205 void extent_fragment_delete (struct extent_fragment *ef); |
206 | |
207 /* from alloc.c */ | |
208 struct extent *allocate_extent (void); | |
209 | |
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210 void attach_extent_auxiliary (EXTENT ext); |
428 | 211 void init_buffer_extents (struct buffer *b); |
212 void uninit_buffer_extents (struct buffer *b); | |
213 | |
214 #ifdef ERROR_CHECK_EXTENTS | |
215 void sledgehammer_extent_check (Lisp_Object obj); | |
216 #endif | |
217 | |
218 #ifdef MEMORY_USAGE_STATS | |
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219 Bytecount compute_buffer_extent_usage (struct buffer *b); |
428 | 220 #endif |
221 | |
440 | 222 #endif /* INCLUDED_extents_h_ */ |