Commit | Line | Data |
---|---|---|
fe3db729 | 1 | #ifndef lint |
73218728 | 2 | static char *sccsid = "@(#)wwwrite.c 3.6 83/08/19"; |
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; |
bb05dfb5 | 13 | int oldn = n; |
73218728 | 14 | char hascursor = 0; |
fe3db729 | 15 | |
bb05dfb5 | 16 | if (w == 0) |
fe3db729 | 17 | return -1; |
39b49130 EW |
18 | wwnwrite++; |
19 | wwnwritec += n; | |
73218728 EW |
20 | if (hascursor = w->ww_hascursor) |
21 | wwcursor(w, 0); | |
bb05dfb5 | 22 | while (--n >= 0) { |
fe3db729 EW |
23 | c = *p++ & 0x7f; |
24 | switch (w->ww_wstate) { | |
25 | case 0: | |
2b269ee7 EW |
26 | if (!ISCTRL(c)) { |
27 | int i, j; | |
28 | register union ww_char *bp; | |
29 | union ww_char *bq; | |
30 | register union ww_char *ns; | |
31 | register char *smap; | |
32 | register char *win; | |
33 | char *touched; | |
bb05dfb5 | 34 | |
2b269ee7 | 35 | if (w->ww_insert) { |
30647f51 EW |
36 | wwinschar(w, w->ww_scroll + w->ww_cur.r, |
37 | w->ww_cur.c, c); | |
2b269ee7 EW |
38 | goto right; |
39 | } | |
40 | i = w->ww_w.nc - w->ww_cur.c - 1; | |
41 | bp = bq = &w->ww_buf[w->ww_scroll+w->ww_cur.r] | |
42 | [w->ww_cur.c]; | |
7d77e730 | 43 | bp++->c_w = c | w->ww_modes << WWC_MSHIFT; |
2b269ee7 EW |
44 | while (n > 0 && --i >= 0 && !ISCTRL(*p)) { |
45 | n--; | |
7d77e730 EW |
46 | bp++->c_w = *p++ & 0x7f |
47 | | w->ww_modes << WWC_MSHIFT; | |
2b269ee7 EW |
48 | } |
49 | win = &w->ww_win[w->ww_cur.r][w->ww_cur.c]; | |
50 | i = wwcurrow(w); | |
51 | j = wwcurcol(w); | |
52 | smap = &wwsmap[i][j]; | |
53 | ns = &wwns[i][j]; | |
54 | touched = &wwtouched[i]; | |
55 | j = i = bp - bq; | |
56 | bp = bq; | |
57 | while (--i >= 0) { | |
58 | if (*smap++ == w->ww_index) { | |
59 | *touched = 1; | |
60 | ns++->c_w = bp++->c_w | |
61 | ^ *win++ << WWC_MSHIFT; | |
62 | } else { | |
63 | ns++; | |
64 | bp++; | |
65 | win++; | |
30647f51 | 66 | } |
bb05dfb5 | 67 | } |
2b269ee7 | 68 | if ((w->ww_cur.c += j) >= w->ww_w.nc) { |
bb05dfb5 EW |
69 | w->ww_cur.c = 0; |
70 | goto lf; | |
71 | } | |
fe3db729 EW |
72 | break; |
73 | } | |
74 | switch (c) { | |
75 | case '\n': | |
bb05dfb5 EW |
76 | if (w->ww_mapnl) |
77 | w->ww_cur.c = 0; | |
78 | lf: | |
79 | if (++w->ww_cur.r >= w->ww_w.nr) { | |
80 | w->ww_cur.r = w->ww_w.nr - 1; | |
b0d4d9e2 EW |
81 | if (w->ww_scroll + w->ww_w.nr |
82 | < w->ww_nline) | |
83 | wwscroll(w, 1); | |
84 | else | |
85 | wwdelline(w, 0); | |
bb05dfb5 | 86 | } |
fe3db729 EW |
87 | break; |
88 | case '\t': | |
bb05dfb5 | 89 | w->ww_cur.c |= 7; |
2b269ee7 EW |
90 | right: |
91 | if (++w->ww_cur.c >= w->ww_w.nc) { | |
92 | w->ww_cur.c = 0; | |
93 | goto lf; | |
94 | } | |
bb05dfb5 | 95 | break; |
fe3db729 | 96 | case '\b': |
b0d4d9e2 EW |
97 | if (--w->ww_cur.c < 0) { |
98 | w->ww_cur.c = w->ww_w.nc - 1; | |
99 | goto up; | |
100 | } | |
bb05dfb5 | 101 | break; |
fe3db729 | 102 | case '\r': |
bb05dfb5 EW |
103 | w->ww_cur.c = 0; |
104 | break; | |
fe3db729 | 105 | case CTRL(g): |
bb05dfb5 | 106 | wwbell(); |
fe3db729 EW |
107 | break; |
108 | case CTRL([): | |
109 | w->ww_wstate = 1; | |
110 | break; | |
111 | } | |
112 | break; | |
113 | case 1: | |
114 | w->ww_wstate = 0; | |
115 | switch (c) { | |
116 | case '@': | |
117 | w->ww_insert = 1; | |
118 | break; | |
119 | case 'A': | |
b0d4d9e2 EW |
120 | up: |
121 | if (--w->ww_cur.r < 0) { | |
bb05dfb5 | 122 | w->ww_cur.r = 0; |
b0d4d9e2 EW |
123 | if (w->ww_scroll > 0) |
124 | wwscroll(w, -1); | |
125 | else | |
126 | wwinsline(w, 0); | |
127 | } | |
fe3db729 EW |
128 | break; |
129 | case 'B': | |
bb05dfb5 | 130 | goto lf; |
fe3db729 | 131 | case 'C': |
bb05dfb5 | 132 | goto right; |
fe3db729 | 133 | case 'E': |
30647f51 | 134 | w->ww_scroll = 0; |
bb05dfb5 | 135 | w->ww_cur.c = w->ww_cur.r = 0; |
30647f51 | 136 | wwclreos(w, 0, 0); |
fe3db729 EW |
137 | break; |
138 | case 'H': | |
bb05dfb5 | 139 | w->ww_cur.c = w->ww_cur.r = 0; |
fe3db729 EW |
140 | break; |
141 | case 'J': | |
30647f51 EW |
142 | wwclreos(w, w->ww_scroll + w->ww_cur.r, |
143 | w->ww_cur.c); | |
fe3db729 EW |
144 | break; |
145 | case 'K': | |
bb05dfb5 | 146 | wwclreol(w, w->ww_scroll + w->ww_cur.r, |
30647f51 | 147 | w->ww_cur.c); |
fe3db729 EW |
148 | break; |
149 | case 'L': | |
30647f51 | 150 | wwinsline(w, w->ww_scroll + w->ww_cur.r); |
fe3db729 EW |
151 | break; |
152 | case 'M': | |
bb05dfb5 | 153 | wwdelline(w, w->ww_scroll + w->ww_cur.r); |
fe3db729 EW |
154 | break; |
155 | case 'N': | |
30647f51 EW |
156 | wwdelchar(w, w->ww_scroll + w->ww_cur.r, |
157 | w->ww_cur.c); | |
fe3db729 EW |
158 | break; |
159 | case 'O': | |
160 | w->ww_insert = 0; | |
161 | break; | |
162 | case 'Y': | |
163 | w->ww_wstate = 2; | |
164 | break; | |
7d77e730 EW |
165 | case 'p': |
166 | w->ww_modes |= WWM_REV; | |
167 | break; | |
168 | case 'q': | |
169 | w->ww_modes &= ~WWM_REV; | |
170 | break; | |
171 | case 'r': | |
172 | w->ww_modes |= WWM_UL; | |
173 | break; | |
174 | case 's': | |
175 | w->ww_modes &= ~WWM_UL; | |
176 | break; | |
fe3db729 EW |
177 | } |
178 | break; | |
179 | case 2: | |
bb05dfb5 | 180 | w->ww_cur.r = (c - ' ') % w->ww_w.nr; |
fe3db729 EW |
181 | w->ww_wstate++; |
182 | break; | |
183 | case 3: | |
bb05dfb5 | 184 | w->ww_cur.c = (c - ' ') % w->ww_w.nc; |
fe3db729 EW |
185 | w->ww_wstate = 0; |
186 | break; | |
187 | } | |
188 | } | |
73218728 EW |
189 | if (hascursor) |
190 | wwcursor(w, 1); | |
bb05dfb5 | 191 | return oldn - n; |
fe3db729 | 192 | } |