annotate src/gutter.h @ 5602:c9e5612f5424

Support the MP library on recent FreeBSD, have it pass relevant tests. src/ChangeLog addition: 2011-11-26 Aidan Kehoe <kehoea@parhasard.net> * number-mp.c (bignum_to_string): Don't overwrite the accumulator we've just set up for this function. * number-mp.c (BIGNUM_TO_TYPE): mp_itom() doesn't necessarily do what this code used to think with negative numbers, it can treat them as unsigned ints. Subtract numbers from bignum_zero instead of multiplying them by -1 to convert them to their negative equivalents. * number-mp.c (bignum_to_int): * number-mp.c (bignum_to_uint): * number-mp.c (bignum_to_long): * number-mp.c (bignum_to_ulong): * number-mp.c (bignum_to_double): Use the changed BIGNUM_TO_TYPE() in these functions. * number-mp.c (bignum_ceil): * number-mp.c (bignum_floor): In these functions, be more careful about rounding to positive and negative infinity, respectively. Don't use the sign of QUOTIENT when working out out whether to add or subtract one, rather use the sign QUOTIENT would have if arbitrary-precision division were done. * number-mp.h: * number-mp.h (MP_GCD): Wrap #include <mp.h> in BEGIN_C_DECLS/END_C_DECLS. * number.c (Fbigfloat_get_precision): * number.c (Fbigfloat_set_precision): Don't attempt to call XBIGFLOAT_GET_PREC if this build doesn't support big floats.
author Aidan Kehoe <kehoea@parhasard.net>
date Sat, 26 Nov 2011 17:59:14 +0000
parents 56144c8593a8
children 77d7b77909c2
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1 /* Define general gutter support.
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2 Copyright (C) 1999 Andy Piper.
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3 Copyright (C) 2010 Ben Wing.
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4
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5 This file is part of XEmacs.
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6
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7 XEmacs is free software: you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation, either version 3 of the License, or (at your
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10 option) any later version.
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12 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with XEmacs. If not, see <http://www.gnu.org/licenses/>. */
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19
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20 /* Synched up with: Not in FSF. */
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21
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22 #ifndef INCLUDED_gutter_h_
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23 #define INCLUDED_gutter_h_
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25 #include "specifier.h"
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26
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27 #define DEVICE_SUPPORTS_GUTTERS_P(d) HAS_DEVMETH_P (d, output_frame_gutters)
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28
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29 DECLARE_SPECIFIER_TYPE (gutter);
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30 #define XGUTTER_SPECIFIER(x) XSPECIFIER_TYPE (x, gutter)
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31 #define GUTTER_SPECIFIERP(x) SPECIFIER_TYPEP (x, gutter)
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32 #define CHECK_GUTTER_SPECIFIER(x) CHECK_SPECIFIER_TYPE (x, gutter)
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33 #define CONCHECK_GUTTER_SPECIFIER(x) CONCHECK_SPECIFIER_TYPE (x, gutter)
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34
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35 #define DEFAULT_GUTTER_WIDTH 40
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36 #define DEFAULT_GUTTER_BORDER_WIDTH 2
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37
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38 extern Lisp_Object Qgutter;
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39
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40 extern Lisp_Object Vgutter_size[4];
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41 extern Lisp_Object Vgutter_border_width[4];
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42 void update_frame_gutters (struct frame *f);
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43 void update_frame_gutter_geometry (struct frame *f);
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44 void mark_gutters (struct frame* f);
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45 void init_frame_gutters (struct frame *f);
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46 void init_device_gutters (struct device *d);
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47 void init_global_gutters (struct device *d);
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48 void free_frame_gutters (struct frame *f);
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49 void redraw_exposed_gutters (struct frame *f, int x, int y, int width,
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50 int height);
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51 void reset_gutter_display_lines (struct frame* f);
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52 void gutter_extent_signal_changed_region_maybe (Lisp_Object obj,
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53 Charbpos start, Charbpos end);
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54 int display_boxes_in_gutter_p (struct frame *f, struct display_box* db,
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55 struct display_glyph_area* dga);
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56
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57 #define WINDOW_GUTTER_BORDER_WIDTH(w, pos) \
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58 (FIXNUMP ((w)->gutter_border_width[pos]) ? XFIXNUM ((w)->gutter_border_width[pos]) : 0)
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59 #define WINDOW_GUTTER_SIZE(w, pos) \
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60 (FIXNUMP ((w)->gutter_size[pos]) ? XFIXNUM ((w)->gutter_size[pos]) : 0)
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61 #define WINDOW_GUTTER_SIZE_INTERNAL(w, pos) \
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62 (FIXNUMP ((w)->real_gutter_size[pos]) ? XFIXNUM ((w)->real_gutter_size[pos]) : 0)
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63 #define WINDOW_GUTTER_VISIBLE(w, pos) \
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64 ((w)->gutter_visible_p[pos])
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65 #define WINDOW_GUTTER(w, pos) \
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66 ((w)->real_gutter[pos])
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67 #define RAW_WINDOW_GUTTER(w, pos) \
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68 ((w)->gutter[pos])
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70 #define WINDOW_REAL_GUTTER_SIZE(w, pos) \
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71 (!NILP (WINDOW_GUTTER_VISIBLE (w, pos)) \
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72 ? WINDOW_GUTTER_SIZE_INTERNAL (w, pos) \
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73 : 0)
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74 #define WINDOW_REAL_GUTTER_VISIBLE(f, pos) \
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75 (WINDOW_REAL_GUTTER_SIZE (f, pos) > 0)
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76 #define WINDOW_REAL_GUTTER_BORDER_WIDTH(f, pos) \
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77 ((!NILP (WINDOW_GUTTER_VISIBLE (f, pos)) \
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78 && WINDOW_GUTTER_SIZE_INTERNAL (f,pos) > 0) \
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79 ? WINDOW_GUTTER_BORDER_WIDTH (f, pos) \
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80 : 0)
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81 #define WINDOW_REAL_GUTTER_BOUNDS(f, pos) \
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82 (WINDOW_REAL_GUTTER_SIZE (f,pos) + \
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83 2 * WINDOW_REAL_GUTTER_BORDER_WIDTH (f,pos))
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84
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85 /* these macros predicate size on position and type of window */
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86 #define WINDOW_REAL_TOP_GUTTER_BOUNDS(w) \
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87 WINDOW_REAL_GUTTER_BOUNDS (w, TOP_EDGE)
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88 #define WINDOW_REAL_BOTTOM_GUTTER_BOUNDS(w) \
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89 WINDOW_REAL_GUTTER_BOUNDS (w, BOTTOM_EDGE)
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90 #define WINDOW_REAL_LEFT_GUTTER_BOUNDS(w) \
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91 WINDOW_REAL_GUTTER_BOUNDS (w, LEFT_EDGE)
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92 #define WINDOW_REAL_RIGHT_GUTTER_BOUNDS(w) \
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93 WINDOW_REAL_GUTTER_BOUNDS (w, RIGHT_EDGE)
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94
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95 #define FRAME_GUTTER_VISIBLE(f, pos) \
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96 WINDOW_REAL_GUTTER_VISIBLE (XWINDOW (FRAME_LAST_NONMINIBUF_WINDOW (f)), pos)
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97 #define FRAME_GUTTER_SIZE(f, pos) \
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98 WINDOW_REAL_GUTTER_SIZE (XWINDOW (FRAME_LAST_NONMINIBUF_WINDOW (f)), pos)
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99 #define FRAME_GUTTER_BOUNDS(f, pos) \
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100 WINDOW_REAL_GUTTER_BOUNDS (XWINDOW (FRAME_LAST_NONMINIBUF_WINDOW (f)), pos)
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101 #define FRAME_GUTTER_BORDER_WIDTH(f, pos) \
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102 WINDOW_REAL_GUTTER_BORDER_WIDTH (XWINDOW (FRAME_LAST_NONMINIBUF_WINDOW (f)), pos)
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103
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104 #define FRAME_GUTTER(f, pos) \
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105 WINDOW_GUTTER (XWINDOW (FRAME_LAST_NONMINIBUF_WINDOW (f)), pos)
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106
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107 /* these macros predicate size on position and type of window */
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108 #define FRAME_TOP_GUTTER_BOUNDS(f) FRAME_GUTTER_BOUNDS (f, TOP_EDGE)
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109 #define FRAME_BOTTOM_GUTTER_BOUNDS(f) FRAME_GUTTER_BOUNDS (f, BOTTOM_EDGE)
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110 #define FRAME_LEFT_GUTTER_BOUNDS(f) FRAME_GUTTER_BOUNDS (f, LEFT_EDGE)
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111 #define FRAME_RIGHT_GUTTER_BOUNDS(f) FRAME_GUTTER_BOUNDS (f, RIGHT_EDGE)
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112
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113 #endif /* INCLUDED_gutter_h_ */