Mercurial > hg > xemacs-beta
annotate src/cm.h @ 5848:e2efee0f7703
hst confused
| author | Henry Thompson <ht@markup.co.uk> |
|---|---|
| date | Fri, 27 Feb 2015 17:43:50 +0000 |
| parents | 308d34e9f07d |
| children |
| rev | line source |
|---|---|
| 428 | 1 /* Cursor motion calculation definitions for XEmacs |
| 2 Copyright (C) 1985, 1989, 1992, 1993 Free Software Foundation, Inc. | |
| 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: FSF 19.30. */ | |
| 20 | |
| 21 /* #### Chuck -- This file should be deleted. I'm not deleting it yet | |
| 22 because there might be something you want out of it. */ | |
| 23 | |
| 440 | 24 #ifndef INCLUDED_cm_h_ |
| 25 #define INCLUDED_cm_h_ | |
| 428 | 26 |
| 27 /* Holds the minimum and maximum costs for the parametrized capabilities. */ | |
| 28 struct parmcap | |
| 29 { | |
| 30 int mincost, maxcost; | |
| 31 }; | |
| 32 | |
| 33 /* This structure holds everything needed to do cursor motion except the pad | |
| 34 character (PC) and the output speed of the terminal (ospeed), which | |
| 35 termcap wants in global variables. */ | |
| 36 | |
| 37 struct cm | |
| 38 { | |
| 39 #if 0 | |
| 40 /* Cursor position. -1 in *both* variables means the cursor | |
| 41 position is unknown, in order to force absolute cursor motion. */ | |
| 42 | |
| 43 int cm_curY; /* Current row */ | |
| 44 int cm_curX; /* Current column */ | |
| 45 | |
| 46 /* Capabilities from termcap */ | |
| 442 | 47 const char *cm_up; /* up (up) */ |
| 48 const char *cm_down; /* down (do) */ | |
| 49 const char *cm_left; /* left (le) */ | |
| 50 const char *cm_right; /* right (nd) */ | |
| 51 const char *cm_home; /* home (ho) */ | |
| 52 const char *cm_cr; /* carriage return (cr) */ | |
| 53 const char *cm_ll; /* last line (ll) */ | |
| 428 | 54 #endif /* 0 */ |
| 442 | 55 const char *cm_tab; /* tab (ta) */ |
| 56 const char *cm_backtab; /* backtab (bt) */ | |
| 428 | 57 #if 0 |
| 442 | 58 const char *cm_abs; /* absolute (cm) */ |
| 59 const char *cm_habs; /* horizontal absolute (ch) */ | |
| 60 const char *cm_vabs; /* vertical absolute (cv) */ | |
| 61 const char *cm_ds; /* "don't send" string (ds) */ | |
| 62 const char *cm_multiup; /* multiple up (UP) */ | |
| 63 const char *cm_multidown; /* multiple down (DO) */ | |
| 64 const char *cm_multileft; /* multiple left (LE) */ | |
| 65 const char *cm_multiright; /* multiple right (RI) */ | |
| 428 | 66 int cm_cols; /* number of cols on frame (co) */ |
| 67 int cm_rows; /* number of rows on frame (li) */ | |
| 68 int cm_tabwidth; /* tab width (it) */ | |
| 69 unsigned int cm_autowrap:1; /* autowrap flag (am) */ | |
| 70 unsigned int cm_magicwrap:1; /* VT-100: cursor stays in last col but | |
| 71 will cm_wrap if next char is | |
| 72 printing (xn) */ | |
| 73 unsigned int cm_usetabs:1; /* if set, use tabs */ | |
| 74 unsigned int cm_losewrap:1; /* if reach right margin, forget cursor | |
| 75 location */ | |
| 76 unsigned int cm_autolf:1; /* \r performs a \r\n (rn) */ | |
| 77 #endif | |
| 78 | |
| 79 /* Parametrized capabilities. This needs to be a struct since | |
| 80 the costs are accessed through pointers. */ | |
| 81 | |
| 82 #if 0 | |
| 83 struct parmcap cc_abs; /* absolute (cm) */ | |
| 84 struct parmcap cc_habs; /* horizontal absolute (ch) */ | |
| 85 struct parmcap cc_vabs; /* vertical absolute (cv) */ | |
| 86 struct parmcap cc_multiup; /* multiple up (UP) */ | |
| 87 struct parmcap cc_multidown; /* multiple down (DO) */ | |
| 88 struct parmcap cc_multileft; /* multiple left (LE) */ | |
| 89 struct parmcap cc_multiright; /* multiple right (RI) */ | |
| 90 #endif | |
| 91 | |
| 92 #if 0 | |
| 93 /* Costs for the non-parametrized capabilities */ | |
| 94 int cc_up; /* cost for up */ | |
| 95 int cc_down; /* etc. */ | |
| 96 int cc_left; | |
| 97 int cc_right; | |
| 98 int cc_home; | |
| 99 int cc_cr; | |
| 100 int cc_ll; | |
| 101 int cc_tab; | |
| 102 int cc_backtab; | |
| 103 /* These are temporary, until the code is installed to use the | |
| 104 struct parmcap fields above. */ | |
| 105 int cc_abs; | |
| 106 int cc_habs; | |
| 107 int cc_vabs; | |
| 108 #endif | |
| 109 }; | |
| 110 | |
| 111 #if 0 | |
| 112 extern struct cm Wcm; /* Terminal capabilities */ | |
| 113 extern char PC; /* Pad character */ | |
| 114 | |
| 115 /* Shorthand */ | |
| 116 #ifndef NoCMShortHand | |
| 117 #define curY Wcm.cm_curY | |
| 118 #define curX Wcm.cm_curX | |
| 119 #define Up Wcm.cm_up | |
| 120 #define Down Wcm.cm_down | |
| 121 #define Left Wcm.cm_left | |
| 122 #define Right Wcm.cm_right | |
| 123 #define Tab Wcm.cm_tab | |
| 124 #define BackTab Wcm.cm_backtab | |
| 125 #define TabWidth Wcm.cm_tabwidth | |
| 126 #define CR Wcm.cm_cr | |
| 127 #define Home Wcm.cm_home | |
| 128 #define LastLine Wcm.cm_ll | |
| 129 #define AbsPosition Wcm.cm_abs | |
| 130 #define ColPosition Wcm.cm_habs | |
| 131 #define RowPosition Wcm.cm_vabs | |
| 132 #define MultiUp Wcm.cm_multiup | |
| 133 #define MultiDown Wcm.cm_multidown | |
| 134 #define MultiLeft Wcm.cm_multileft | |
| 135 #define MultiRight Wcm.cm_multiright | |
| 136 #define AutoWrap Wcm.cm_autowrap | |
| 137 #define MagicWrap Wcm.cm_magicwrap | |
| 138 #define UseTabs Wcm.cm_usetabs | |
| 139 #define FrameRows Wcm.cm_rows | |
| 140 #define FrameCols Wcm.cm_cols | |
| 141 | |
| 142 #define UpCost Wcm.cc_up | |
| 143 #define DownCost Wcm.cc_down | |
| 144 #define LeftCost Wcm.cc_left | |
| 145 #define RightCost Wcm.cc_right | |
| 146 #define HomeCost Wcm.cc_home | |
| 147 #define CRCost Wcm.cc_cr | |
| 148 #define LastLineCost Wcm.cc_ll | |
| 149 #define TabCost Wcm.cc_tab | |
| 150 #define BackTabCost Wcm.cc_backtab | |
| 151 #define AbsPositionCost Wcm.cc_abs | |
| 152 #define ColPositionCost Wcm.cc_habs | |
| 153 #define RowPositionCost Wcm.cc_vabs | |
| 154 #define MultiUpCost Wcm.cc_multiup | |
| 155 #define MultiDownCost Wcm.cc_multidown | |
| 156 #define MultiLeftCost Wcm.cc_multileft | |
| 157 #define MultiRightCost Wcm.cc_multiright | |
| 158 #endif | |
| 159 #endif /* 0 */ | |
| 160 | |
| 161 #define cmat(row,col) (curY = (row), curX = (col)) | |
| 162 #define cmplus(n) \ | |
| 163 { \ | |
| 164 if ((curX += (n)) >= FrameCols && !MagicWrap) \ | |
| 165 { \ | |
| 166 if (Wcm.cm_losewrap) losecursor (); \ | |
| 167 else if (AutoWrap) curX = 0, curY++; \ | |
| 168 else curX--; \ | |
| 169 } \ | |
| 170 } | |
| 171 | |
| 172 #define losecursor() (curX = -1, curY = -1) | |
| 173 | |
| 174 extern int cost; | |
| 175 void cmputc (int c); | |
| 176 void cmcheckmagic (void); | |
| 177 void cm_cost_init (struct console *c); | |
| 178 void cmgoto (int, int); | |
| 179 void Wcm_clear (void); | |
| 180 int Wcm_init (void); | |
| 181 | |
| 440 | 182 #endif /* INCLUDED_cm_h_ */ |