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428
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1 /* Define general gutter support.
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2 Copyright (C) 1999 Andy Piper.
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3
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4 This file is part of XEmacs.
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5
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6 XEmacs is free software; you can redistribute it and/or modify it
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7 under the terms of the GNU General Public License as published by the
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8 Free Software Foundation; either version 2, or (at your option) any
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9 later version.
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10
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11 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with XEmacs; see the file COPYING. If not, write to
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18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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19 Boston, MA 02111-1307, USA. */
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20
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21 /* Synched up with: Not in FSF. */
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22
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23 #ifndef _XEMACS_GUTTER_H_
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24 #define _XEMACS_GUTTER_H_
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25
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26 #include "specifier.h"
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27
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28 #define DEVICE_SUPPORTS_GUTTERS_P(d) \
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29 (HAS_DEVMETH_P ((d), output_frame_gutters))
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30
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31 DECLARE_SPECIFIER_TYPE (gutter);
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32 #define XGUTTER_SPECIFIER(x) XSPECIFIER_TYPE (x, gutter)
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33 #define XSETGUTTER_SPECIFIER(x, p) XSETSPECIFIER_TYPE (x, p, gutter)
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34 #define GUTTER_SPECIFIERP(x) SPECIFIER_TYPEP (x, gutter)
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35 #define CHECK_GUTTER_SPECIFIER(x) CHECK_SPECIFIER_TYPE (x, gutter)
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36 #define CONCHECK_GUTTER_SPECIFIER(x) CONCHECK_SPECIFIER_TYPE (x, gutter)
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37
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38 #define DEFAULT_GUTTER_WIDTH 40
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39 #define DEFAULT_GUTTER_BORDER_WIDTH 2
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40
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41 enum gutter_pos
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42 {
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43 TOP_GUTTER = 0,
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44 BOTTOM_GUTTER = 1,
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45 LEFT_GUTTER = 2,
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46 RIGHT_GUTTER = 3
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47 };
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48
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49 /* Iterate over all possible gutter positions */
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50 #define GUTTER_POS_LOOP(var) \
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51 for (var = (enum gutter_pos) 0; var < 4; var = (enum gutter_pos) (var + 1))
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52
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53 extern Lisp_Object Qgutter;
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54
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55 extern Lisp_Object Vgutter_size[4];
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56 extern Lisp_Object Vgutter_border_width[4];
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57 void update_frame_gutters (struct frame *f);
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58 void init_frame_gutters (struct frame *f);
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59 void init_device_gutters (struct device *d);
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60 void init_global_gutters (struct device *d);
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61 void free_frame_gutters (struct frame *f);
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62 void redraw_exposed_gutters (struct frame *f, int x, int y, int width,
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63 int height);
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64 void reset_gutter_display_lines (struct frame* f);
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65
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66 #define WINDOW_GUTTER_BORDER_WIDTH(w, pos) \
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67 (NILP ((w)->gutter_border_width[pos]) ? 0 : XINT ((w)->gutter_border_width[pos]))
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68 #define WINDOW_GUTTER_SIZE(w, pos) \
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69 (NILP ((w)->gutter_size[pos]) ? 0 : XINT ((w)->gutter_size[pos]))
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70 #define WINDOW_GUTTER_SIZE_INTERNAL(w, pos) \
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71 (NILP ((w)->real_gutter_size[pos]) ? 0 : XINT ((w)->real_gutter_size[pos]))
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72 #define WINDOW_GUTTER_VISIBLE(w, pos) \
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73 ((w)->gutter_visible_p[pos])
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74 #define WINDOW_GUTTER(w, pos) \
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75 ((w)->gutter[pos])
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76
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77 #define WINDOW_REAL_GUTTER_SIZE(w, pos) \
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78 (!NILP (WINDOW_GUTTER_VISIBLE (w, pos)) \
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79 ? WINDOW_GUTTER_SIZE_INTERNAL (w, pos) \
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80 : 0)
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81 #define WINDOW_REAL_GUTTER_VISIBLE(f, pos) \
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82 (WINDOW_REAL_GUTTER_SIZE (f, pos) > 0)
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83 #define WINDOW_REAL_GUTTER_BORDER_WIDTH(f, pos) \
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84 ((!NILP (WINDOW_GUTTER_VISIBLE (f, pos)) \
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85 && WINDOW_GUTTER_SIZE_INTERNAL (f,pos) > 0) \
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86 ? WINDOW_GUTTER_BORDER_WIDTH (f, pos) \
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87 : 0)
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88 #define WINDOW_REAL_GUTTER_BOUNDS(f, pos) \
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89 (WINDOW_REAL_GUTTER_SIZE (f,pos) + \
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90 2 * WINDOW_REAL_GUTTER_BORDER_WIDTH (f,pos))
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91
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92 /* these macros predicate size on position and type of window */
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93 #define WINDOW_REAL_TOP_GUTTER_BOUNDS(w) \
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94 ((!MINI_WINDOW_P (w) && window_is_highest (w)) ? \
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95 WINDOW_REAL_GUTTER_BOUNDS (w,TOP_GUTTER) : 0)
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96 #define WINDOW_REAL_BOTTOM_GUTTER_BOUNDS(w) \
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97 ((!MINI_WINDOW_P (w) && window_is_lowest (w)) ? \
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98 WINDOW_REAL_GUTTER_BOUNDS (w,BOTTOM_GUTTER) : 0)
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99 #define WINDOW_REAL_LEFT_GUTTER_BOUNDS(w) \
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100 ((!MINI_WINDOW_P (w) && window_is_leftmost (w)) ? \
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101 WINDOW_REAL_GUTTER_BOUNDS (w,LEFT_GUTTER) : 0)
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102 #define WINDOW_REAL_RIGHT_GUTTER_BOUNDS(w) \
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103 ((!MINI_WINDOW_P (w) && window_is_rightmost (w)) ? \
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104 WINDOW_REAL_GUTTER_BOUNDS (w,RIGHT_GUTTER) : 0)
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105
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106 #define FRAME_GUTTER_VISIBLE(f, pos) \
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107 WINDOW_REAL_GUTTER_VISIBLE (XWINDOW (FRAME_LAST_NONMINIBUF_WINDOW (f)), pos)
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108 #define FRAME_GUTTER_SIZE(f, pos) \
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109 WINDOW_REAL_GUTTER_SIZE (XWINDOW (FRAME_LAST_NONMINIBUF_WINDOW (f)), pos)
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110 #define FRAME_GUTTER_BOUNDS(f, pos) \
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111 WINDOW_REAL_GUTTER_BOUNDS (XWINDOW (FRAME_LAST_NONMINIBUF_WINDOW (f)), pos)
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112 #define FRAME_GUTTER_BORDER_WIDTH(f, pos) \
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113 WINDOW_REAL_GUTTER_BORDER_WIDTH (XWINDOW (FRAME_LAST_NONMINIBUF_WINDOW (f)), pos)
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114
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115 #define FRAME_GUTTER(f, pos) \
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116 WINDOW_GUTTER (XWINDOW (FRAME_LAST_NONMINIBUF_WINDOW (f)), pos)
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117
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118 /* these macros predicate size on position and type of window */
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119 #define FRAME_TOP_GUTTER_BOUNDS(f) \
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120 WINDOW_REAL_GUTTER_BOUNDS (XWINDOW (FRAME_LAST_NONMINIBUF_WINDOW (f)), TOP_GUTTER)
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121 #define FRAME_BOTTOM_GUTTER_BOUNDS(f) \
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122 WINDOW_REAL_GUTTER_BOUNDS (XWINDOW (FRAME_LAST_NONMINIBUF_WINDOW (f)), BOTTOM_GUTTER)
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123 #define FRAME_LEFT_GUTTER_BOUNDS(f) \
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124 WINDOW_REAL_GUTTER_BOUNDS (XWINDOW (FRAME_LAST_NONMINIBUF_WINDOW (f)), LEFT_GUTTER)
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125 #define FRAME_RIGHT_GUTTER_BOUNDS(f) \
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126 WINDOW_REAL_GUTTER_BOUNDS (XWINDOW (FRAME_LAST_NONMINIBUF_WINDOW (f)), RIGHT_GUTTER)
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127
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128 #endif /* _XEMACS_GUTTER_H_ */
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