Commit | Line | Data |
---|---|---|
fe3db729 | 1 | #ifndef lint |
03e75950 | 2 | static char *sccsid = "@(#)wwwrite.c 3.9 83/08/26"; |
fe3db729 EW |
3 | #endif |
4 | ||
5 | #include "ww.h" | |
6 | ||
fe3db729 EW |
7 | wwwrite(w, p, n) |
8 | register struct ww *w; | |
9 | register char *p; | |
2b269ee7 | 10 | int n; |
fe3db729 | 11 | { |
2b269ee7 | 12 | char c; |
73218728 | 13 | char hascursor = 0; |
fe3db729 | 14 | |
39b49130 EW |
15 | wwnwrite++; |
16 | wwnwritec += n; | |
73218728 EW |
17 | if (hascursor = w->ww_hascursor) |
18 | wwcursor(w, 0); | |
bb05dfb5 | 19 | while (--n >= 0) { |
fe3db729 EW |
20 | c = *p++ & 0x7f; |
21 | switch (w->ww_wstate) { | |
22 | case 0: | |
2b269ee7 EW |
23 | if (!ISCTRL(c)) { |
24 | int i, j; | |
25 | register union ww_char *bp; | |
26 | union ww_char *bq; | |
27 | register union ww_char *ns; | |
28 | register char *smap; | |
29 | register char *win; | |
30 | char *touched; | |
bb05dfb5 | 31 | |
2b269ee7 | 32 | if (w->ww_insert) { |
30647f51 | 33 | wwinschar(w, w->ww_scroll + w->ww_cur.r, |
703c37ce EW |
34 | w->ww_cur.c, |
35 | c | w->ww_modes << WWC_MSHIFT); | |
2b269ee7 EW |
36 | goto right; |
37 | } | |
38 | i = w->ww_w.nc - w->ww_cur.c - 1; | |
39 | bp = bq = &w->ww_buf[w->ww_scroll+w->ww_cur.r] | |
40 | [w->ww_cur.c]; | |
703c37ce | 41 | bp++->c_w = c | w->ww_modes << WWC_MSHIFT; |
2b269ee7 EW |
42 | while (n > 0 && --i >= 0 && !ISCTRL(*p)) { |
43 | n--; | |
7d77e730 EW |
44 | bp++->c_w = *p++ & 0x7f |
45 | | w->ww_modes << WWC_MSHIFT; | |
2b269ee7 EW |
46 | } |
47 | win = &w->ww_win[w->ww_cur.r][w->ww_cur.c]; | |
48 | i = wwcurrow(w); | |
49 | j = wwcurcol(w); | |
50 | smap = &wwsmap[i][j]; | |
51 | ns = &wwns[i][j]; | |
52 | touched = &wwtouched[i]; | |
53 | j = i = bp - bq; | |
54 | bp = bq; | |
55 | while (--i >= 0) { | |
56 | if (*smap++ == w->ww_index) { | |
57 | *touched = 1; | |
58 | ns++->c_w = bp++->c_w | |
59 | ^ *win++ << WWC_MSHIFT; | |
60 | } else { | |
61 | ns++; | |
62 | bp++; | |
63 | win++; | |
30647f51 | 64 | } |
bb05dfb5 | 65 | } |
2b269ee7 | 66 | if ((w->ww_cur.c += j) >= w->ww_w.nc) { |
bb05dfb5 EW |
67 | w->ww_cur.c = 0; |
68 | goto lf; | |
69 | } | |
fe3db729 EW |
70 | break; |
71 | } | |
72 | switch (c) { | |
73 | case '\n': | |
bb05dfb5 EW |
74 | if (w->ww_mapnl) |
75 | w->ww_cur.c = 0; | |
76 | lf: | |
77 | if (++w->ww_cur.r >= w->ww_w.nr) { | |
78 | w->ww_cur.r = w->ww_w.nr - 1; | |
b0d4d9e2 EW |
79 | if (w->ww_scroll + w->ww_w.nr |
80 | < w->ww_nline) | |
81 | wwscroll(w, 1); | |
82 | else | |
83 | wwdelline(w, 0); | |
bb05dfb5 | 84 | } |
fe3db729 EW |
85 | break; |
86 | case '\t': | |
bb05dfb5 | 87 | w->ww_cur.c |= 7; |
2b269ee7 EW |
88 | right: |
89 | if (++w->ww_cur.c >= w->ww_w.nc) { | |
90 | w->ww_cur.c = 0; | |
91 | goto lf; | |
92 | } | |
bb05dfb5 | 93 | break; |
fe3db729 | 94 | case '\b': |
b0d4d9e2 EW |
95 | if (--w->ww_cur.c < 0) { |
96 | w->ww_cur.c = w->ww_w.nc - 1; | |
97 | goto up; | |
98 | } | |
bb05dfb5 | 99 | break; |
fe3db729 | 100 | case '\r': |
bb05dfb5 EW |
101 | w->ww_cur.c = 0; |
102 | break; | |
fe3db729 | 103 | case CTRL(g): |
bb05dfb5 | 104 | wwbell(); |
fe3db729 EW |
105 | break; |
106 | case CTRL([): | |
107 | w->ww_wstate = 1; | |
108 | break; | |
109 | } | |
110 | break; | |
111 | case 1: | |
112 | w->ww_wstate = 0; | |
113 | switch (c) { | |
114 | case '@': | |
115 | w->ww_insert = 1; | |
116 | break; | |
117 | case 'A': | |
b0d4d9e2 EW |
118 | up: |
119 | if (--w->ww_cur.r < 0) { | |
bb05dfb5 | 120 | w->ww_cur.r = 0; |
b0d4d9e2 EW |
121 | if (w->ww_scroll > 0) |
122 | wwscroll(w, -1); | |
123 | else | |
124 | wwinsline(w, 0); | |
125 | } | |
fe3db729 EW |
126 | break; |
127 | case 'B': | |
bb05dfb5 | 128 | goto lf; |
fe3db729 | 129 | case 'C': |
bb05dfb5 | 130 | goto right; |
fe3db729 | 131 | case 'E': |
30647f51 | 132 | w->ww_scroll = 0; |
bb05dfb5 | 133 | w->ww_cur.c = w->ww_cur.r = 0; |
30647f51 | 134 | wwclreos(w, 0, 0); |
fe3db729 EW |
135 | break; |
136 | case 'H': | |
bb05dfb5 | 137 | w->ww_cur.c = w->ww_cur.r = 0; |
fe3db729 EW |
138 | break; |
139 | case 'J': | |
30647f51 EW |
140 | wwclreos(w, w->ww_scroll + w->ww_cur.r, |
141 | w->ww_cur.c); | |
fe3db729 EW |
142 | break; |
143 | case 'K': | |
bb05dfb5 | 144 | wwclreol(w, w->ww_scroll + w->ww_cur.r, |
30647f51 | 145 | w->ww_cur.c); |
fe3db729 EW |
146 | break; |
147 | case 'L': | |
30647f51 | 148 | wwinsline(w, w->ww_scroll + w->ww_cur.r); |
fe3db729 EW |
149 | break; |
150 | case 'M': | |
bb05dfb5 | 151 | wwdelline(w, w->ww_scroll + w->ww_cur.r); |
fe3db729 EW |
152 | break; |
153 | case 'N': | |
30647f51 EW |
154 | wwdelchar(w, w->ww_scroll + w->ww_cur.r, |
155 | w->ww_cur.c); | |
fe3db729 EW |
156 | break; |
157 | case 'O': | |
158 | w->ww_insert = 0; | |
159 | break; | |
160 | case 'Y': | |
161 | w->ww_wstate = 2; | |
162 | break; | |
7d77e730 EW |
163 | case 'p': |
164 | w->ww_modes |= WWM_REV; | |
165 | break; | |
166 | case 'q': | |
167 | w->ww_modes &= ~WWM_REV; | |
168 | break; | |
169 | case 'r': | |
170 | w->ww_modes |= WWM_UL; | |
171 | break; | |
172 | case 's': | |
173 | w->ww_modes &= ~WWM_UL; | |
174 | break; | |
fe3db729 EW |
175 | } |
176 | break; | |
177 | case 2: | |
bb05dfb5 | 178 | w->ww_cur.r = (c - ' ') % w->ww_w.nr; |
fe3db729 EW |
179 | w->ww_wstate++; |
180 | break; | |
181 | case 3: | |
bb05dfb5 | 182 | w->ww_cur.c = (c - ' ') % w->ww_w.nc; |
fe3db729 EW |
183 | w->ww_wstate = 0; |
184 | break; | |
185 | } | |
186 | } | |
73218728 EW |
187 | if (hascursor) |
188 | wwcursor(w, 1); | |
03e75950 | 189 | return 0; |
fe3db729 | 190 | } |