1 8ad51794 2004-03-25 devnull #include <u.h>
2 42c3794c 2004-10-17 devnull #include <signal.h>
3 8ad51794 2004-03-25 devnull #include <libc.h>
4 8ad51794 2004-03-25 devnull #include <ctype.h>
5 8ad51794 2004-03-25 devnull #include <draw.h>
6 8ad51794 2004-03-25 devnull #include <thread.h>
7 8ad51794 2004-03-25 devnull #include <mouse.h>
8 8ad51794 2004-03-25 devnull #include <cursor.h>
9 8ad51794 2004-03-25 devnull #include <keyboard.h>
10 8ad51794 2004-03-25 devnull #include <frame.h>
11 8ad51794 2004-03-25 devnull #include <plumb.h>
12 8ad51794 2004-03-25 devnull #include <complete.h>
13 8ad51794 2004-03-25 devnull #include "term.h"
17 42c3794c 2004-10-17 devnull STACK = 32768
20 b4a659b6 2004-04-19 devnull int noecho = 0;
22 42c3794c 2004-10-17 devnull void servedevtext(void);
23 60535a5f 2004-12-26 devnull void listenproc(void*);
24 42c3794c 2004-10-17 devnull void textthread(void*);
26 ba9ffa53 2004-03-21 devnull typedef struct Text Text;
27 ba9ffa53 2004-03-21 devnull typedef struct Readbuf Readbuf;
31 ba9ffa53 2004-03-21 devnull HiWater = 640000, /* max size of history */
32 8ad51794 2004-03-25 devnull LoWater = 400000, /* min size of history after max'ed */
33 8ad51794 2004-03-25 devnull MinWater = 20000,
36 ba9ffa53 2004-03-21 devnull /* various geometric paramters */
39 ba9ffa53 2004-03-21 devnull Scrollwid = 12, /* width of scroll bar */
40 ba9ffa53 2004-03-21 devnull Scrollgap = 4, /* gap right of scroll bar */
41 ba9ffa53 2004-03-21 devnull Maxtab = 4,
55 ba9ffa53 2004-03-21 devnull #define ESC 0x1B
56 8ad51794 2004-03-25 devnull #define CUT 0x18 /* ctrl-x */
57 8ad51794 2004-03-25 devnull #define COPY 0x03 /* crtl-c */
58 8ad51794 2004-03-25 devnull #define PASTE 0x16 /* crtl-v */
60 ba9ffa53 2004-03-21 devnull #define READBUFSIZE 8192
61 8ad51794 2004-03-25 devnull #define TRUE 1
62 8ad51794 2004-03-25 devnull #define FALSE 0
65 ba9ffa53 2004-03-21 devnull struct Text
67 ba9ffa53 2004-03-21 devnull Frame *f; /* frame ofr terminal */
69 ba9ffa53 2004-03-21 devnull uint nr; /* num of runes in term */
70 8ad51794 2004-03-25 devnull uint maxr; /* max num of runes in r */
71 ba9ffa53 2004-03-21 devnull Rune *r; /* runes for term */
72 ba9ffa53 2004-03-21 devnull uint nraw; /* num of runes in raw buffer */
73 ba9ffa53 2004-03-21 devnull Rune *raw; /* raw buffer */
74 ba9ffa53 2004-03-21 devnull uint org; /* first rune on the screen */
75 ba9ffa53 2004-03-21 devnull uint q0; /* start of selection region */
76 ba9ffa53 2004-03-21 devnull uint q1; /* end of selection region */
77 ba9ffa53 2004-03-21 devnull uint qh; /* unix point */
78 ba9ffa53 2004-03-21 devnull int npart; /* partial runes read from console */
79 ba9ffa53 2004-03-21 devnull char part[UTFmax];
80 ba9ffa53 2004-03-21 devnull int nsnarf; /* snarf buffer */
81 ba9ffa53 2004-03-21 devnull Rune *snarf;
84 ba9ffa53 2004-03-21 devnull struct Readbuf
86 ba9ffa53 2004-03-21 devnull short n; /* # bytes in buf */
87 ba9ffa53 2004-03-21 devnull uchar data[READBUFSIZE]; /* data bytes */
90 ba9ffa53 2004-03-21 devnull void mouse(void);
91 ba9ffa53 2004-03-21 devnull void domenu2(int);
92 ba9ffa53 2004-03-21 devnull void loop(void);
93 ba9ffa53 2004-03-21 devnull void geom(void);
94 ba9ffa53 2004-03-21 devnull void fill(void);
95 ba9ffa53 2004-03-21 devnull void tcheck(void);
96 ba9ffa53 2004-03-21 devnull void updatesel(void);
97 ba9ffa53 2004-03-21 devnull void doreshape(void);
98 ba9ffa53 2004-03-21 devnull void runewrite(Rune*, int);
99 ba9ffa53 2004-03-21 devnull void consread(void);
100 ba9ffa53 2004-03-21 devnull void conswrite(char*, int);
101 0e25d609 2004-04-20 devnull int bswidth(Rune c, uint start, int eatnl);
102 ba9ffa53 2004-03-21 devnull void cut(void);
103 ba9ffa53 2004-03-21 devnull void paste(Rune*, int, int);
104 ba9ffa53 2004-03-21 devnull void snarfupdate(void);
105 ba9ffa53 2004-03-21 devnull void snarf(void);
106 ba9ffa53 2004-03-21 devnull void show(uint);
107 ba9ffa53 2004-03-21 devnull void key(Rune);
108 ba9ffa53 2004-03-21 devnull void setorigin(uint org, int exact);
109 ba9ffa53 2004-03-21 devnull uint line2q(uint);
110 ba9ffa53 2004-03-21 devnull uint backnl(uint, uint);
111 ba9ffa53 2004-03-21 devnull int cansee(uint);
112 ba9ffa53 2004-03-21 devnull uint backnl(uint, uint);
113 ba9ffa53 2004-03-21 devnull void addraw(Rune*, int);
114 ba9ffa53 2004-03-21 devnull void mselect(void);
115 ba9ffa53 2004-03-21 devnull void doubleclick(uint *q0, uint *q1);
116 ba9ffa53 2004-03-21 devnull int clickmatch(int cl, int cr, int dir, uint *q);
117 ba9ffa53 2004-03-21 devnull Rune *strrune(Rune *s, Rune c);
118 ba9ffa53 2004-03-21 devnull int consready(void);
119 ba9ffa53 2004-03-21 devnull Rectangle scrpos(Rectangle r, ulong p0, ulong p1, ulong tot);
120 ba9ffa53 2004-03-21 devnull void scrdraw(void);
121 ba9ffa53 2004-03-21 devnull void scroll(int);
122 ba9ffa53 2004-03-21 devnull void hostproc(void *arg);
123 ba9ffa53 2004-03-21 devnull void hoststart(void);
124 ba9ffa53 2004-03-21 devnull void plumbstart(void);
125 ba9ffa53 2004-03-21 devnull void plumb(uint, uint);
126 ba9ffa53 2004-03-21 devnull void plumbclick(uint*, uint*);
127 8ad51794 2004-03-25 devnull uint insert(Rune*, int, uint, int);
128 3d991901 2004-06-09 devnull void scrolldown(int);
129 3d991901 2004-06-09 devnull void scrollup(int);
131 ba9ffa53 2004-03-21 devnull #define runemalloc(n) malloc((n)*sizeof(Rune))
132 ba9ffa53 2004-03-21 devnull #define runerealloc(a, n) realloc(a, (n)*sizeof(Rune))
133 ba9ffa53 2004-03-21 devnull #define runemove(a, b, n) memmove(a, b, (n)*sizeof(Rune))
134 cfabc3ed 2003-11-23 devnull Rectangle scrollr; /* scroll bar rectangle */
135 cfabc3ed 2003-11-23 devnull Rectangle lastsr; /* used for scroll bar */
136 cfabc3ed 2003-11-23 devnull int holdon; /* hold mode */
137 f476c92f 2004-04-18 devnull int rawon(void); /* raw mode */
138 f476c92f 2004-04-18 devnull int cooked; /* force cooked */
139 cfabc3ed 2003-11-23 devnull int scrolling; /* window scrolls */
140 cfabc3ed 2003-11-23 devnull int clickmsec; /* time of last click */
141 cfabc3ed 2003-11-23 devnull uint clickq0; /* point of last click */
142 8ad51794 2004-03-25 devnull int rcfd;
143 4dcd9af2 2004-04-15 devnull int sfd; /* slave fd, to get/set terminal mode */
144 cfabc3ed 2003-11-23 devnull int rcpid;
145 cfabc3ed 2003-11-23 devnull int maxtab;
146 ba9ffa53 2004-03-21 devnull int use9wm;
147 cfabc3ed 2003-11-23 devnull Mousectl* mc;
148 cfabc3ed 2003-11-23 devnull Keyboardctl* kc;
149 cfabc3ed 2003-11-23 devnull Channel* hostc;
150 cfabc3ed 2003-11-23 devnull Readbuf rcbuf[2];
151 cfabc3ed 2003-11-23 devnull int mainpid;
152 ba9ffa53 2004-03-21 devnull int acmecolors;
153 cfabc3ed 2003-11-23 devnull int plumbfd;
154 d3acba95 2003-12-04 devnull int button2exec;
155 cfabc3ed 2003-11-23 devnull int label(Rune*, int);
156 cfabc3ed 2003-11-23 devnull char wdir[1024];
157 21a17ff3 2003-11-25 devnull char childwdir[1024];
158 cfabc3ed 2003-11-23 devnull void hangupnote(void*, char*);
159 c3e73c01 2004-10-17 devnull char thesocket[100];
161 cfabc3ed 2003-11-23 devnull char *menu2str[] = {
163 cfabc3ed 2003-11-23 devnull "paste",
164 cfabc3ed 2003-11-23 devnull "snarf",
166 cfabc3ed 2003-11-23 devnull "plumb",
167 ba9ffa53 2004-03-21 devnull "scroll",
168 f476c92f 2004-04-18 devnull "cooked",
172 cfabc3ed 2003-11-23 devnull Image* cols[NCOL];
173 cfabc3ed 2003-11-23 devnull Image* hcols[NCOL];
174 4f30f3b4 2004-03-30 devnull Image* palegrey;
175 4f30f3b4 2004-03-30 devnull Image* paleblue;
176 4f30f3b4 2004-03-30 devnull Image* blue;
177 cfabc3ed 2003-11-23 devnull Image *plumbcolor;
178 d3acba95 2003-12-04 devnull Image *execcolor;
180 cfabc3ed 2003-11-23 devnull Menu menu2 =
182 cfabc3ed 2003-11-23 devnull menu2str
187 cfabc3ed 2003-11-23 devnull Cursor whitearrow = {
189 cfabc3ed 2003-11-23 devnull {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFE, 0xFF, 0xFC,
190 cfabc3ed 2003-11-23 devnull 0xFF, 0xF0, 0xFF, 0xF0, 0xFF, 0xF8, 0xFF, 0xFC,
191 cfabc3ed 2003-11-23 devnull 0xFF, 0xFE, 0xFF, 0xFF, 0xFF, 0xFE, 0xFF, 0xFC,
192 cfabc3ed 2003-11-23 devnull 0xF3, 0xF8, 0xF1, 0xF0, 0xE0, 0xE0, 0xC0, 0x40, },
193 cfabc3ed 2003-11-23 devnull {0xFF, 0xFF, 0xFF, 0xFF, 0xC0, 0x06, 0xC0, 0x1C,
194 cfabc3ed 2003-11-23 devnull 0xC0, 0x30, 0xC0, 0x30, 0xC0, 0x38, 0xC0, 0x1C,
195 cfabc3ed 2003-11-23 devnull 0xC0, 0x0E, 0xC0, 0x07, 0xCE, 0x0E, 0xDF, 0x1C,
196 cfabc3ed 2003-11-23 devnull 0xD3, 0xB8, 0xF1, 0xF0, 0xE0, 0xE0, 0xC0, 0x40, }
199 acc021b8 2005-01-02 devnull Cursor query = {
200 acc021b8 2005-01-02 devnull {-7,-7},
201 acc021b8 2005-01-02 devnull {0x0f, 0xf0, 0x1f, 0xf8, 0x3f, 0xfc, 0x7f, 0xfe,
202 acc021b8 2005-01-02 devnull 0x7c, 0x7e, 0x78, 0x7e, 0x00, 0xfc, 0x01, 0xf8,
203 acc021b8 2005-01-02 devnull 0x03, 0xf0, 0x07, 0xe0, 0x07, 0xc0, 0x07, 0xc0,
204 acc021b8 2005-01-02 devnull 0x07, 0xc0, 0x07, 0xc0, 0x07, 0xc0, 0x07, 0xc0, },
205 acc021b8 2005-01-02 devnull {0x00, 0x00, 0x0f, 0xf0, 0x1f, 0xf8, 0x3c, 0x3c,
206 acc021b8 2005-01-02 devnull 0x38, 0x1c, 0x00, 0x3c, 0x00, 0x78, 0x00, 0xf0,
207 acc021b8 2005-01-02 devnull 0x01, 0xe0, 0x03, 0xc0, 0x03, 0x80, 0x03, 0x80,
208 acc021b8 2005-01-02 devnull 0x00, 0x00, 0x03, 0x80, 0x03, 0x80, 0x00, 0x00, }
212 d3acba95 2003-12-04 devnull usage(void)
214 be36ff68 2004-04-29 devnull fprint(2, "usage: 9term [-ars] [-W winsize] [cmd ...]\n");
215 d3acba95 2003-12-04 devnull threadexitsall("usage");
219 cfabc3ed 2003-11-23 devnull threadmain(int argc, char *argv[])
221 aa808685 2004-04-19 devnull char *p, *font;
222 2d930d45 2004-04-25 devnull char buf[32];
224 cfabc3ed 2003-11-23 devnull rfork(RFNOTEG);
225 aa808685 2004-04-19 devnull font = nil;
226 4f30f3b4 2004-03-30 devnull _wantfocuschanges = 1;
227 cfabc3ed 2003-11-23 devnull mainpid = getpid();
228 cfabc3ed 2003-11-23 devnull ARGBEGIN{
229 d3acba95 2003-12-04 devnull default:
230 d3acba95 2003-12-04 devnull usage();
231 d3acba95 2003-12-04 devnull case 'a': /* acme mode */
232 d3acba95 2003-12-04 devnull button2exec++;
234 aa808685 2004-04-19 devnull case 'f':
235 aa808685 2004-04-19 devnull font = EARGF(usage());
237 cfabc3ed 2003-11-23 devnull case 's':
238 cfabc3ed 2003-11-23 devnull scrolling++;
240 ba9ffa53 2004-03-21 devnull case 'w': /* started from "rio" window manager */
241 ba9ffa53 2004-03-21 devnull use9wm = 1;
243 be36ff68 2004-04-29 devnull case 'W':
244 be36ff68 2004-04-29 devnull winsize = EARGF(usage());
248 aa808685 2004-04-19 devnull if(font)
249 aa808685 2004-04-19 devnull putenv("font", font);
251 cfabc3ed 2003-11-23 devnull p = getenv("tabstop");
252 cfabc3ed 2003-11-23 devnull if(p == 0)
253 cfabc3ed 2003-11-23 devnull p = getenv("TABSTOP");
254 cfabc3ed 2003-11-23 devnull if(p != 0 && maxtab <= 0)
255 cfabc3ed 2003-11-23 devnull maxtab = strtoul(p, 0, 0);
256 cfabc3ed 2003-11-23 devnull if(maxtab <= 0)
257 2d930d45 2004-04-25 devnull maxtab = 4; /* be like rio */
259 2d930d45 2004-04-25 devnull snprint(buf, sizeof buf, "%d", maxtab);
260 304b47c1 2004-04-25 devnull putenv("tabstop", buf);
262 be22ae2d 2004-03-26 devnull initdraw(0, nil, "9term");
263 cfabc3ed 2003-11-23 devnull notify(hangupnote);
264 60535a5f 2004-12-26 devnull noteenable("sys: child");
265 42c3794c 2004-10-17 devnull servedevtext();
267 cfabc3ed 2003-11-23 devnull mc = initmouse(nil, screen);
268 cfabc3ed 2003-11-23 devnull kc = initkeyboard(nil);
269 4dcd9af2 2004-04-15 devnull rcpid = rcstart(argc, argv, &rcfd, &sfd);
270 cfabc3ed 2003-11-23 devnull hoststart();
271 cfabc3ed 2003-11-23 devnull plumbstart();
273 cfabc3ed 2003-11-23 devnull t.f = mallocz(sizeof(Frame), 1);
275 ba9ffa53 2004-03-21 devnull if(acmecolors){
276 ba9ffa53 2004-03-21 devnull cols[BACK] = allocimagemix(display, DPaleyellow, DWhite);
277 ba9ffa53 2004-03-21 devnull cols[HIGH] = allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, DDarkyellow);
278 ba9ffa53 2004-03-21 devnull cols[BORD] = allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, DYellowgreen);
280 ba9ffa53 2004-03-21 devnull cols[BACK] = allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, DWhite);
281 ba9ffa53 2004-03-21 devnull cols[HIGH] = allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, 0xCCCCCCFF);
282 ba9ffa53 2004-03-21 devnull cols[BORD] = allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, 0x999999FF);
284 cfabc3ed 2003-11-23 devnull cols[TEXT] = display->black;
285 cfabc3ed 2003-11-23 devnull cols[HTEXT] = display->black;
286 4f30f3b4 2004-03-30 devnull palegrey = allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, 0x666666FF);
288 cfabc3ed 2003-11-23 devnull hcols[BACK] = cols[BACK];
289 cfabc3ed 2003-11-23 devnull hcols[HIGH] = cols[HIGH];
290 4f30f3b4 2004-03-30 devnull blue = allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, DMedblue);
291 4f30f3b4 2004-03-30 devnull paleblue = allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, DGreyblue);
293 4f30f3b4 2004-03-30 devnull hcols[BORD] = blue;
294 cfabc3ed 2003-11-23 devnull hcols[TEXT] = hcols[BORD];
295 cfabc3ed 2003-11-23 devnull hcols[HTEXT] = hcols[TEXT];
297 cfabc3ed 2003-11-23 devnull plumbcolor = allocimage(display, Rect(0,0,1,1), screen->chan, 1, 0x006600FF);
298 d3acba95 2003-12-04 devnull execcolor = allocimage(display, Rect(0,0,1,1), screen->chan, 1, 0xAA0000FF);
300 4f30f3b4 2004-03-30 devnull if(!blue || !palegrey || !paleblue || !plumbcolor || !execcolor)
301 4f30f3b4 2004-03-30 devnull sysfatal("alloc colors: %r");
302 cfabc3ed 2003-11-23 devnull draw(screen, screen->r, cols[BACK], nil, ZP);
308 cfabc3ed 2003-11-23 devnull hangupnote(void *a, char *msg)
310 cfabc3ed 2003-11-23 devnull if(getpid() != mainpid)
311 cfabc3ed 2003-11-23 devnull noted(NDFLT);
312 cfabc3ed 2003-11-23 devnull if(strcmp(msg, "hangup") == 0 && rcpid != 0){
313 669250d1 2003-12-03 devnull postnote(PNGROUP, rcpid, "hangup");
314 cfabc3ed 2003-11-23 devnull noted(NDFLT);
316 4dcd9af2 2004-04-15 devnull if(strstr(msg, "child")){
317 e4508449 2005-01-07 devnull char buf[128];
320 e4508449 2005-01-07 devnull n = awaitnohang(buf, sizeof buf-1);
321 e4508449 2005-01-07 devnull if(n > 0){
322 e4508449 2005-01-07 devnull buf[n] = 0;
323 e4508449 2005-01-07 devnull if(atoi(buf) == rcpid)
324 e4508449 2005-01-07 devnull threadexitsall(0);
326 e4508449 2005-01-07 devnull noted(NCONT);
328 cfabc3ed 2003-11-23 devnull noted(NDFLT);
332 cfabc3ed 2003-11-23 devnull hostproc(void *arg)
334 cfabc3ed 2003-11-23 devnull Channel *c;
335 cfabc3ed 2003-11-23 devnull int i, n, which;
337 cfabc3ed 2003-11-23 devnull c = arg;
340 cfabc3ed 2003-11-23 devnull for(;;){
341 8ad51794 2004-03-25 devnull /* Let typing have a go -- maybe there's a rubout waiting. */
342 4dcd9af2 2004-04-15 devnull yield();
344 cfabc3ed 2003-11-23 devnull i = 1-i; /* toggle */
345 60535a5f 2004-12-26 devnull n = read(rcfd, rcbuf[i].data, sizeof rcbuf[i].data);
346 cfabc3ed 2003-11-23 devnull if(n <= 0){
347 cfabc3ed 2003-11-23 devnull if(n < 0)
348 cfabc3ed 2003-11-23 devnull fprint(2, "9term: host read error: %r\n");
349 cfabc3ed 2003-11-23 devnull threadexitsall("host");
351 cfabc3ed 2003-11-23 devnull rcbuf[i].n = n;
352 cfabc3ed 2003-11-23 devnull which = i;
353 cfabc3ed 2003-11-23 devnull send(c, &which);
358 cfabc3ed 2003-11-23 devnull hoststart(void)
360 cfabc3ed 2003-11-23 devnull hostc = chancreate(sizeof(int), 0);
361 60535a5f 2004-12-26 devnull proccreate(hostproc, hostc, 32*1024);
365 cfabc3ed 2003-11-23 devnull loop(void)
369 be22ae2d 2004-03-26 devnull Alt a[5];
371 be22ae2d 2004-03-26 devnull a[0].c = mc->c;
372 be22ae2d 2004-03-26 devnull a[0].v = &mc->m;
373 be22ae2d 2004-03-26 devnull a[0].op = CHANRCV;
375 be22ae2d 2004-03-26 devnull a[1].c = kc->c;
376 be22ae2d 2004-03-26 devnull a[1].v = &r;
377 be22ae2d 2004-03-26 devnull a[1].op = CHANRCV;
379 be22ae2d 2004-03-26 devnull a[2].c = hostc;
380 be22ae2d 2004-03-26 devnull a[2].v = &i;
381 be22ae2d 2004-03-26 devnull a[2].op = CHANRCV;
383 be22ae2d 2004-03-26 devnull a[3].c = mc->resizec;
384 be22ae2d 2004-03-26 devnull a[3].v = nil;
385 be22ae2d 2004-03-26 devnull a[3].op = CHANRCV;
387 be22ae2d 2004-03-26 devnull a[4].c = nil;
388 be22ae2d 2004-03-26 devnull a[4].v = nil;
389 be22ae2d 2004-03-26 devnull a[4].op = CHANEND;
391 cfabc3ed 2003-11-23 devnull for(;;) {
392 cfabc3ed 2003-11-23 devnull tcheck();
394 cfabc3ed 2003-11-23 devnull scrdraw();
395 cfabc3ed 2003-11-23 devnull flushimage(display, 1);
396 cfabc3ed 2003-11-23 devnull a[2].op = CHANRCV;
397 cfabc3ed 2003-11-23 devnull if(!scrolling && t.qh > t.org+t.f->nchars)
398 cfabc3ed 2003-11-23 devnull a[2].op = CHANNOP;;
399 cfabc3ed 2003-11-23 devnull switch(alt(a)) {
400 cfabc3ed 2003-11-23 devnull default:
401 8ad51794 2004-03-25 devnull sysfatal("impossible");
403 cfabc3ed 2003-11-23 devnull t.m = mc->m;
404 cfabc3ed 2003-11-23 devnull mouse();
410 be22ae2d 2004-03-26 devnull conswrite((char*)rcbuf[i].data, rcbuf[i].n);
413 cfabc3ed 2003-11-23 devnull doreshape();
420 cfabc3ed 2003-11-23 devnull doreshape(void)
422 cfabc3ed 2003-11-23 devnull if(getwindow(display, Refnone) < 0)
423 8ad51794 2004-03-25 devnull sysfatal("can't reattach to window");
424 cfabc3ed 2003-11-23 devnull draw(screen, screen->r, cols[BACK], nil, ZP);
426 cfabc3ed 2003-11-23 devnull scrdraw();
430 cfabc3ed 2003-11-23 devnull geom(void)
432 669250d1 2003-12-03 devnull Point p;
433 cfabc3ed 2003-11-23 devnull Rectangle r;
435 4f30f3b4 2004-03-30 devnull if(!acmecolors){
436 4f30f3b4 2004-03-30 devnull if(_windowhasfocus){
437 4f30f3b4 2004-03-30 devnull cols[TEXT] = cols[HTEXT] = display->black;
438 4f30f3b4 2004-03-30 devnull hcols[TEXT] = hcols[HTEXT] = blue;
440 4f30f3b4 2004-03-30 devnull cols[TEXT] = cols[HTEXT] = palegrey;
441 4f30f3b4 2004-03-30 devnull hcols[TEXT] = hcols[HTEXT] = paleblue;
445 cfabc3ed 2003-11-23 devnull r = screen->r;
446 8ad51794 2004-03-25 devnull r.min.y++;
447 8ad51794 2004-03-25 devnull r.max.y--;
449 8ad51794 2004-03-25 devnull scrollr = r;
450 cfabc3ed 2003-11-23 devnull scrollr.max.x = r.min.x+Scrollwid;
451 cfabc3ed 2003-11-23 devnull lastsr = Rect(0,0,0,0);
453 cfabc3ed 2003-11-23 devnull r.min.x += Scrollwid+Scrollgap;
455 cfabc3ed 2003-11-23 devnull frclear(t.f, 0);
456 cfabc3ed 2003-11-23 devnull frinit(t.f, r, font, screen, holdon ? hcols : cols);
457 cfabc3ed 2003-11-23 devnull t.f->maxtab = maxtab*stringwidth(font, "0");
459 cfabc3ed 2003-11-23 devnull updatesel();
461 669250d1 2003-12-03 devnull p = stringsize(font, "0");
462 669250d1 2003-12-03 devnull if(p.x == 0 || p.y == 0)
465 8ad51794 2004-03-25 devnull updatewinsize(Dy(r)/p.y, Dx(r)/p.x, Dx(r), Dy(r));
469 cfabc3ed 2003-11-23 devnull drawhold(int holdon)
471 cfabc3ed 2003-11-23 devnull if(holdon)
472 cfabc3ed 2003-11-23 devnull setcursor(mc, &whitearrow);
474 cfabc3ed 2003-11-23 devnull setcursor(mc, nil);
476 cfabc3ed 2003-11-23 devnull draw(screen, screen->r, cols[BACK], nil, ZP);
478 cfabc3ed 2003-11-23 devnull scrdraw();
482 d3acba95 2003-12-04 devnull wordclick(uint *q0, uint *q1)
484 d3acba95 2003-12-04 devnull while(*q1<t.nr && !isspace(t.r[*q1]))
485 d3acba95 2003-12-04 devnull (*q1)++;
486 d3acba95 2003-12-04 devnull while(*q0>0 && !isspace(t.r[*q0-1]))
487 d3acba95 2003-12-04 devnull (*q0)--;
491 d3acba95 2003-12-04 devnull aselect(uint *q0, uint *q1, Image *color)
493 d3acba95 2003-12-04 devnull int cancel;
494 d3acba95 2003-12-04 devnull uint oldq0, oldq1, newq0, newq1;
496 d3acba95 2003-12-04 devnull /* save old selection */
497 d3acba95 2003-12-04 devnull oldq0 = t.q0;
498 d3acba95 2003-12-04 devnull oldq1 = t.q1;
500 d3acba95 2003-12-04 devnull /* sweep out area and record it */
501 d3acba95 2003-12-04 devnull t.f->cols[HIGH] = color;
502 d3acba95 2003-12-04 devnull t.f->cols[HTEXT] = display->white;
503 d3acba95 2003-12-04 devnull mselect();
504 d3acba95 2003-12-04 devnull newq0 = t.q0;
505 d3acba95 2003-12-04 devnull newq1 = t.q1;
507 d3acba95 2003-12-04 devnull cancel = 0;
508 d3acba95 2003-12-04 devnull if(t.m.buttons != 0){
509 d3acba95 2003-12-04 devnull while(t.m.buttons){
510 d3acba95 2003-12-04 devnull readmouse(mc);
511 d3acba95 2003-12-04 devnull t.m = mc->m;
513 d3acba95 2003-12-04 devnull cancel = 1;
516 d3acba95 2003-12-04 devnull /* restore old selection */
517 d3acba95 2003-12-04 devnull t.f->cols[HIGH] = cols[HIGH];
518 d3acba95 2003-12-04 devnull t.f->cols[HTEXT] = cols[HTEXT];
519 d3acba95 2003-12-04 devnull t.q0 = oldq0;
520 d3acba95 2003-12-04 devnull t.q1 = oldq1;
521 d3acba95 2003-12-04 devnull updatesel();
523 d3acba95 2003-12-04 devnull if(cancel)
524 d3acba95 2003-12-04 devnull return -1;
526 d3acba95 2003-12-04 devnull /* selected a region */
527 d3acba95 2003-12-04 devnull if(newq0 < newq1){
528 d3acba95 2003-12-04 devnull *q0 = newq0;
529 d3acba95 2003-12-04 devnull *q1 = newq1;
530 d3acba95 2003-12-04 devnull return 0;
533 d3acba95 2003-12-04 devnull /* clicked inside previous selection */
534 e97ceade 2003-12-06 devnull /* the "<=" in newq0 <= oldq1 allows us to click the right edge */
535 e97ceade 2003-12-06 devnull if(oldq0 <= newq0 && newq0 <= oldq1){
536 d3acba95 2003-12-04 devnull *q0 = oldq0;
537 d3acba95 2003-12-04 devnull *q1 = oldq1;
538 d3acba95 2003-12-04 devnull return 0;
541 d3acba95 2003-12-04 devnull /* just a click */
542 d3acba95 2003-12-04 devnull *q0 = newq0;
543 d3acba95 2003-12-04 devnull *q1 = newq1;
544 d3acba95 2003-12-04 devnull return 0;
547 d3acba95 2003-12-04 devnull static Rune Lnl[1] = { '\n' };
550 cfabc3ed 2003-11-23 devnull mouse(void)
552 d3acba95 2003-12-04 devnull int but;
553 d3acba95 2003-12-04 devnull uint q0, q1;
555 cfabc3ed 2003-11-23 devnull but = t.m.buttons;
557 3d991901 2004-06-09 devnull if(but != 1 && but != 2 && but != 4 && but != 8 && but != 16)
560 cfabc3ed 2003-11-23 devnull if (ptinrect(t.m.xy, scrollr)) {
561 cfabc3ed 2003-11-23 devnull scroll(but);
562 cfabc3ed 2003-11-23 devnull if(t.qh<=t.org+t.f->nchars)
563 3fd755b7 2003-12-04 devnull consread();
567 cfabc3ed 2003-11-23 devnull switch(but) {
569 cfabc3ed 2003-11-23 devnull mselect();
572 d3acba95 2003-12-04 devnull if(button2exec){
573 d3acba95 2003-12-04 devnull if(aselect(&q0, &q1, execcolor) >= 0){
574 d3acba95 2003-12-04 devnull if(q0 == q1)
575 d3acba95 2003-12-04 devnull wordclick(&q0, &q1);
576 d3acba95 2003-12-04 devnull if(q0 == q1)
578 dff7e273 2003-12-04 devnull t.q0 = t.q1 = t.nr;
579 dff7e273 2003-12-04 devnull updatesel();
580 d3acba95 2003-12-04 devnull paste(t.r+q0, q1-q0, 1);
581 d3acba95 2003-12-04 devnull if(t.r[q1-1] != '\n')
582 d3acba95 2003-12-04 devnull paste(Lnl, 1, 1);
586 cfabc3ed 2003-11-23 devnull domenu2(2);
589 78802e69 2004-04-24 devnull bouncemouse(&t.m);
592 d3acba95 2003-12-04 devnull if(aselect(&q0, &q1, plumbcolor) >= 0)
593 d3acba95 2003-12-04 devnull plumb(q0, q1);
597 d7037d62 2004-06-11 devnull scrollup(mousescrollsize(t.f->maxlines));
599 3d991901 2004-06-09 devnull case 16:
600 d7037d62 2004-06-11 devnull scrolldown(mousescrollsize(t.f->maxlines));
606 cfabc3ed 2003-11-23 devnull mselect(void)
608 cfabc3ed 2003-11-23 devnull int b, x, y;
609 cfabc3ed 2003-11-23 devnull uint q0;
611 cfabc3ed 2003-11-23 devnull b = t.m.buttons;
612 cfabc3ed 2003-11-23 devnull q0 = frcharofpt(t.f, t.m.xy) + t.org;
613 dff7e273 2003-12-04 devnull if(t.m.msec-clickmsec<500 && clickq0==q0 && t.q0==t.q1 && b==1){
614 cfabc3ed 2003-11-23 devnull doubleclick(&t.q0, &t.q1);
615 cfabc3ed 2003-11-23 devnull updatesel();
616 cfabc3ed 2003-11-23 devnull /* t.t.i->flush(); */
617 cfabc3ed 2003-11-23 devnull x = t.m.xy.x;
618 cfabc3ed 2003-11-23 devnull y = t.m.xy.y;
619 cfabc3ed 2003-11-23 devnull /* stay here until something interesting happens */
621 cfabc3ed 2003-11-23 devnull readmouse(mc);
622 cfabc3ed 2003-11-23 devnull t.m = mc->m;
623 cfabc3ed 2003-11-23 devnull } while(t.m.buttons==b && abs(t.m.xy.x-x)<4 && abs(t.m.xy.y-y)<4);
624 cfabc3ed 2003-11-23 devnull t.m.xy.x = x; /* in case we're calling frselect */
625 cfabc3ed 2003-11-23 devnull t.m.xy.y = y;
626 cfabc3ed 2003-11-23 devnull clickmsec = 0;
629 cfabc3ed 2003-11-23 devnull if(t.m.buttons == b) {
630 cfabc3ed 2003-11-23 devnull frselect(t.f, mc);
631 cfabc3ed 2003-11-23 devnull t.m = mc->m;
632 cfabc3ed 2003-11-23 devnull t.q0 = t.f->p0 + t.org;
633 cfabc3ed 2003-11-23 devnull t.q1 = t.f->p1 + t.org;
634 cfabc3ed 2003-11-23 devnull clickmsec = t.m.msec;
635 cfabc3ed 2003-11-23 devnull clickq0 = t.q0;
637 dff7e273 2003-12-04 devnull if((t.m.buttons != b) &&(b&1)){
638 dff7e273 2003-12-04 devnull enum{Cancut = 1, Canpaste = 2} state = Cancut | Canpaste;
639 cfabc3ed 2003-11-23 devnull while(t.m.buttons){
640 dff7e273 2003-12-04 devnull if(t.m.buttons&2){
641 dff7e273 2003-12-04 devnull if(state&Cancut){
642 cfabc3ed 2003-11-23 devnull snarf();
644 cfabc3ed 2003-11-23 devnull state = Canpaste;
646 dff7e273 2003-12-04 devnull }else if(t.m.buttons&4){
647 dff7e273 2003-12-04 devnull if(state&Canpaste){
648 cfabc3ed 2003-11-23 devnull snarfupdate();
649 dff7e273 2003-12-04 devnull if(t.nsnarf){
650 cfabc3ed 2003-11-23 devnull paste(t.snarf, t.nsnarf, 0);
652 23084133 2004-03-26 devnull state = Cancut;
655 cfabc3ed 2003-11-23 devnull readmouse(mc);
656 cfabc3ed 2003-11-23 devnull t.m = mc->m;
661 cfabc3ed 2003-11-23 devnull Rune newline[] = { '\n', 0 };
664 cfabc3ed 2003-11-23 devnull domenu2(int but)
666 cfabc3ed 2003-11-23 devnull if(scrolling)
667 f80f53a9 2004-04-21 devnull menu2str[Scroll] = "+ scroll";
669 f80f53a9 2004-04-21 devnull menu2str[Scroll] = "- scroll";
670 f80f53a9 2004-04-21 devnull if(cooked)
671 f80f53a9 2004-04-21 devnull menu2str[Cooked] = "+ mustecho";
673 f80f53a9 2004-04-21 devnull menu2str[Cooked] = "- mustecho";
675 cfabc3ed 2003-11-23 devnull switch(menuhit(but, mc, &menu2, nil)){
676 cfabc3ed 2003-11-23 devnull case -1:
678 cfabc3ed 2003-11-23 devnull case Cut:
679 cfabc3ed 2003-11-23 devnull snarf();
681 cfabc3ed 2003-11-23 devnull if(scrolling)
682 cfabc3ed 2003-11-23 devnull show(t.q0);
684 cfabc3ed 2003-11-23 devnull case Paste:
685 cfabc3ed 2003-11-23 devnull snarfupdate();
686 cfabc3ed 2003-11-23 devnull paste(t.snarf, t.nsnarf, 0);
687 cfabc3ed 2003-11-23 devnull if(scrolling)
688 cfabc3ed 2003-11-23 devnull show(t.q0);
690 cfabc3ed 2003-11-23 devnull case Snarf:
691 cfabc3ed 2003-11-23 devnull snarf();
692 cfabc3ed 2003-11-23 devnull if(scrolling)
693 cfabc3ed 2003-11-23 devnull show(t.q0);
695 cfabc3ed 2003-11-23 devnull case Send:
696 8ad51794 2004-03-25 devnull if(t.q0 != t.q1)
697 8ad51794 2004-03-25 devnull snarf();
699 8ad51794 2004-03-25 devnull snarfupdate();
700 cfabc3ed 2003-11-23 devnull t.q0 = t.q1 = t.nr;
701 cfabc3ed 2003-11-23 devnull updatesel();
702 cfabc3ed 2003-11-23 devnull paste(t.snarf, t.nsnarf, 1);
703 cfabc3ed 2003-11-23 devnull if(t.nsnarf == 0 || t.snarf[t.nsnarf-1] != '\n')
704 cfabc3ed 2003-11-23 devnull paste(newline, 1, 1);
705 cfabc3ed 2003-11-23 devnull show(t.nr);
706 cfabc3ed 2003-11-23 devnull consread();
708 cfabc3ed 2003-11-23 devnull case Scroll:
709 cfabc3ed 2003-11-23 devnull scrolling = !scrolling;
710 cfabc3ed 2003-11-23 devnull if (scrolling) {
711 cfabc3ed 2003-11-23 devnull show(t.nr);
712 cfabc3ed 2003-11-23 devnull consread();
715 cfabc3ed 2003-11-23 devnull case Plumb:
716 cfabc3ed 2003-11-23 devnull plumb(t.q0, t.q1);
718 f476c92f 2004-04-18 devnull case Cooked:
719 f476c92f 2004-04-18 devnull cooked = !cooked;
721 cfabc3ed 2003-11-23 devnull default:
722 8ad51794 2004-03-25 devnull sysfatal("bad menu item");
727 8ad51794 2004-03-25 devnull windfilewidth(uint q0, int oneelement)
733 8ad51794 2004-03-25 devnull while(q > 0){
734 8ad51794 2004-03-25 devnull r = t.r[q-1];
735 8ad51794 2004-03-25 devnull if(r<=' ')
737 8ad51794 2004-03-25 devnull if(oneelement && r=='/')
741 8ad51794 2004-03-25 devnull return q0-q;
745 8ad51794 2004-03-25 devnull showcandidates(Completion *c)
749 8ad51794 2004-03-25 devnull Rune *rp;
750 8ad51794 2004-03-25 devnull uint nr, qline, q0;
751 8ad51794 2004-03-25 devnull char *s;
753 8ad51794 2004-03-25 devnull runefmtstrinit(&f);
754 8ad51794 2004-03-25 devnull if (c->nmatch == 0)
755 8ad51794 2004-03-25 devnull s = "[no matches in ";
757 8ad51794 2004-03-25 devnull s = "[";
758 8ad51794 2004-03-25 devnull if(c->nfile > 32)
759 8ad51794 2004-03-25 devnull fmtprint(&f, "%s%d files]\n", s, c->nfile);
761 8ad51794 2004-03-25 devnull fmtprint(&f, "%s", s);
762 8ad51794 2004-03-25 devnull for(i=0; i<c->nfile; i++){
763 8ad51794 2004-03-25 devnull if(i > 0)
764 8ad51794 2004-03-25 devnull fmtprint(&f, " ");
765 8ad51794 2004-03-25 devnull fmtprint(&f, "%s", c->filename[i]);
767 8ad51794 2004-03-25 devnull fmtprint(&f, "]\n");
769 8ad51794 2004-03-25 devnull /* place text at beginning of line before host point */
770 8ad51794 2004-03-25 devnull qline = t.qh;
771 8ad51794 2004-03-25 devnull while(qline>0 && t.r[qline-1] != '\n')
772 8ad51794 2004-03-25 devnull qline--;
774 8ad51794 2004-03-25 devnull rp = runefmtstrflush(&f);
775 8ad51794 2004-03-25 devnull nr = runestrlen(rp);
777 8ad51794 2004-03-25 devnull q0 = t.q0;
778 8ad51794 2004-03-25 devnull q0 += insert(rp, nr, qline, 0) - qline;
779 8ad51794 2004-03-25 devnull free(rp);
780 8ad51794 2004-03-25 devnull t.q0 = q0+nr;
781 8ad51794 2004-03-25 devnull t.q1 = q0+nr;
782 8ad51794 2004-03-25 devnull updatesel();
786 8ad51794 2004-03-25 devnull namecomplete(void)
788 8ad51794 2004-03-25 devnull int nstr, npath;
789 8ad51794 2004-03-25 devnull Rune *rp, *path, *str;
790 8ad51794 2004-03-25 devnull Completion *c;
791 8ad51794 2004-03-25 devnull char *s, *dir, *root;
793 8ad51794 2004-03-25 devnull /* control-f: filename completion; works back to white space or / */
794 8ad51794 2004-03-25 devnull if(t.q0<t.nr && t.r[t.q0]>' ') /* must be at end of word */
795 8ad51794 2004-03-25 devnull return nil;
796 8ad51794 2004-03-25 devnull nstr = windfilewidth(t.q0, TRUE);
797 8ad51794 2004-03-25 devnull str = runemalloc(nstr);
798 8ad51794 2004-03-25 devnull runemove(str, t.r+(t.q0-nstr), nstr);
799 8ad51794 2004-03-25 devnull npath = windfilewidth(t.q0-nstr, FALSE);
800 8ad51794 2004-03-25 devnull path = runemalloc(npath);
801 8ad51794 2004-03-25 devnull runemove(path, t.r+(t.q0-nstr-npath), npath);
802 8ad51794 2004-03-25 devnull rp = nil;
804 8ad51794 2004-03-25 devnull /* is path rooted? if not, we need to make it relative to window path */
805 8ad51794 2004-03-25 devnull if(npath>0 && path[0]=='/'){
806 8ad51794 2004-03-25 devnull dir = malloc(UTFmax*npath+1);
807 8ad51794 2004-03-25 devnull sprint(dir, "%.*S", npath, path);
809 8ad51794 2004-03-25 devnull if(strcmp(wdir, "") == 0)
810 8ad51794 2004-03-25 devnull root = ".";
812 8ad51794 2004-03-25 devnull root = wdir;
813 8ad51794 2004-03-25 devnull dir = malloc(strlen(root)+1+UTFmax*npath+1);
814 8ad51794 2004-03-25 devnull sprint(dir, "%s/%.*S", root, npath, path);
816 8ad51794 2004-03-25 devnull dir = cleanname(dir);
818 8ad51794 2004-03-25 devnull s = smprint("%.*S", nstr, str);
819 8ad51794 2004-03-25 devnull c = complete(dir, s);
820 8ad51794 2004-03-25 devnull free(s);
821 8ad51794 2004-03-25 devnull if(c == nil)
822 8ad51794 2004-03-25 devnull goto Return;
824 8ad51794 2004-03-25 devnull if(!c->advance)
825 8ad51794 2004-03-25 devnull showcandidates(c);
827 8ad51794 2004-03-25 devnull if(c->advance)
828 8ad51794 2004-03-25 devnull rp = runesmprint("%s", c->string);
831 8ad51794 2004-03-25 devnull freecompletion(c);
832 8ad51794 2004-03-25 devnull free(dir);
833 8ad51794 2004-03-25 devnull free(path);
834 8ad51794 2004-03-25 devnull free(str);
835 8ad51794 2004-03-25 devnull return rp;
839 3d991901 2004-06-09 devnull scrollup(int n)
841 3d991901 2004-06-09 devnull setorigin(backnl(t.org, n), 1);
845 3d991901 2004-06-09 devnull scrolldown(int n)
847 3d991901 2004-06-09 devnull setorigin(line2q(n), 1);
848 3d991901 2004-06-09 devnull if(t.qh<=t.org+t.f->nchars)
849 3d991901 2004-06-09 devnull consread();
853 cfabc3ed 2003-11-23 devnull key(Rune r)
855 8ad51794 2004-03-25 devnull Rune *rp;
858 cfabc3ed 2003-11-23 devnull if(r == 0)
860 8ad51794 2004-03-25 devnull switch(r){
861 8ad51794 2004-03-25 devnull case Kpgup:
862 3d991901 2004-06-09 devnull scrollup(t.f->maxlines*2/3);
864 8ad51794 2004-03-25 devnull case Kpgdown:
865 3d991901 2004-06-09 devnull scrolldown(t.f->maxlines*2/3);
867 8ad51794 2004-03-25 devnull case Kup:
868 3d991901 2004-06-09 devnull scrollup(t.f->maxlines/3);
870 8ad51794 2004-03-25 devnull case Kdown:
871 3d991901 2004-06-09 devnull scrolldown(t.f->maxlines/3);
873 8ad51794 2004-03-25 devnull case Kleft:
874 8ad51794 2004-03-25 devnull if(t.q0 > 0){
876 8ad51794 2004-03-25 devnull t.q1 = t.q0;
877 8ad51794 2004-03-25 devnull updatesel();
878 8ad51794 2004-03-25 devnull show(t.q0);
881 8ad51794 2004-03-25 devnull case Kright:
882 8ad51794 2004-03-25 devnull if(t.q1 < t.nr){
884 8ad51794 2004-03-25 devnull t.q0 = t.q1;
885 8ad51794 2004-03-25 devnull updatesel();
886 8ad51794 2004-03-25 devnull show(t.q1);
889 8ad51794 2004-03-25 devnull case Khome:
890 8ad51794 2004-03-25 devnull show(0);
892 8ad51794 2004-03-25 devnull case Kend:
893 8ad51794 2004-03-25 devnull case 0x05:
894 8ad51794 2004-03-25 devnull show(t.nr);
898 42c3794c 2004-10-17 devnull * Non-standard extensions.
900 8ad51794 2004-03-25 devnull case CUT:
901 cfabc3ed 2003-11-23 devnull snarf();
903 cfabc3ed 2003-11-23 devnull if(scrolling)
904 cfabc3ed 2003-11-23 devnull show(t.q0);
906 8ad51794 2004-03-25 devnull case COPY:
907 cfabc3ed 2003-11-23 devnull snarf();
908 cfabc3ed 2003-11-23 devnull if(scrolling)
909 cfabc3ed 2003-11-23 devnull show(t.q0);
911 8ad51794 2004-03-25 devnull case PASTE:
912 cfabc3ed 2003-11-23 devnull snarfupdate();
913 cfabc3ed 2003-11-23 devnull paste(t.snarf, t.nsnarf, 0);
914 cfabc3ed 2003-11-23 devnull if(scrolling)
915 cfabc3ed 2003-11-23 devnull show(t.q0);
919 e5c26b01 2004-09-20 devnull switch(r) {
920 42c3794c 2004-10-17 devnull /* case 0x03: can't do this because ^C is COPY */
921 e5c26b01 2004-09-20 devnull case 0x7F: /* DEL: send interrupt */
922 42c3794c 2004-10-17 devnull paste(&r, 1, 1);
923 e5c26b01 2004-09-20 devnull t.qh = t.q0 = t.q1 = t.nr;
924 e5c26b01 2004-09-20 devnull show(t.q0);
925 048610b7 2004-10-22 devnull /* must write the interrupt character in case app is in raw mode (e.g., ssh) */
926 048610b7 2004-10-22 devnull write(rcfd, "\x7F", 1);
927 048610b7 2004-10-22 devnull // postnote(PNGROUP, rcpid, "interrupt");
931 f476c92f 2004-04-18 devnull if(rawon() && t.q0==t.nr){
932 cfabc3ed 2003-11-23 devnull addraw(&r, 1);
933 3fd755b7 2003-12-04 devnull consread();
937 cfabc3ed 2003-11-23 devnull if(r==ESC || (holdon && r==0x7F)){ /* toggle hold */
938 cfabc3ed 2003-11-23 devnull holdon = !holdon;
939 cfabc3ed 2003-11-23 devnull drawhold(holdon);
940 4dcd9af2 2004-04-15 devnull // replaceintegerproperty("_9WM_HOLD_MODE", 1, 32, holdon);
941 cfabc3ed 2003-11-23 devnull if(!holdon)
942 cfabc3ed 2003-11-23 devnull consread();
943 ba9ffa53 2004-03-21 devnull if(r==ESC)
947 cfabc3ed 2003-11-23 devnull snarf();
949 cfabc3ed 2003-11-23 devnull switch(r) {
950 8ad51794 2004-03-25 devnull case 0x06: /* ^F: file name completion */
951 8ad51794 2004-03-25 devnull case Kins: /* Insert: file name completion */
952 8ad51794 2004-03-25 devnull rp = namecomplete();
953 8ad51794 2004-03-25 devnull if(rp == nil)
955 8ad51794 2004-03-25 devnull nr = runestrlen(rp);
956 8ad51794 2004-03-25 devnull paste(rp, nr, 1);
957 8ad51794 2004-03-25 devnull free(rp);
959 cfabc3ed 2003-11-23 devnull case 0x08: /* ^H: erase character */
960 cfabc3ed 2003-11-23 devnull case 0x15: /* ^U: erase line */
961 cfabc3ed 2003-11-23 devnull case 0x17: /* ^W: erase word */
962 cfabc3ed 2003-11-23 devnull if (t.q0 != 0 && t.q0 != t.qh)
963 0e25d609 2004-04-20 devnull t.q0 -= bswidth(r, t.q0, 1);
966 cfabc3ed 2003-11-23 devnull default:
967 cfabc3ed 2003-11-23 devnull paste(&r, 1, 1);
970 cfabc3ed 2003-11-23 devnull if(scrolling)
971 cfabc3ed 2003-11-23 devnull show(t.q0);
975 0e25d609 2004-04-20 devnull bswidth(Rune c, uint start, int eatnl)
977 cfabc3ed 2003-11-23 devnull uint q, eq, stop;
979 cfabc3ed 2003-11-23 devnull int skipping;
981 cfabc3ed 2003-11-23 devnull /* there is known to be at least one character to erase */
982 cfabc3ed 2003-11-23 devnull if(c == 0x08) /* ^H: erase character */
983 cfabc3ed 2003-11-23 devnull return 1;
984 0e25d609 2004-04-20 devnull q = start;
985 cfabc3ed 2003-11-23 devnull stop = 0;
986 cfabc3ed 2003-11-23 devnull if(q > t.qh)
987 cfabc3ed 2003-11-23 devnull stop = t.qh;
988 cfabc3ed 2003-11-23 devnull skipping = 1;
989 cfabc3ed 2003-11-23 devnull while(q > stop){
990 cfabc3ed 2003-11-23 devnull r = t.r[q-1];
991 cfabc3ed 2003-11-23 devnull if(r == '\n'){ /* eat at most one more character */
992 0e25d609 2004-04-20 devnull if(q == start && eatnl) /* eat the newline */
996 cfabc3ed 2003-11-23 devnull if(c == 0x17){
997 cfabc3ed 2003-11-23 devnull eq = isalnum(r);
998 cfabc3ed 2003-11-23 devnull if(eq && skipping) /* found one; stop skipping */
999 cfabc3ed 2003-11-23 devnull skipping = 0;
1000 cfabc3ed 2003-11-23 devnull else if(!eq && !skipping)
1005 0e25d609 2004-04-20 devnull return start-q;
1009 cfabc3ed 2003-11-23 devnull consready(void)
1011 cfabc3ed 2003-11-23 devnull int i, c;
1013 cfabc3ed 2003-11-23 devnull if(holdon)
1014 cfabc3ed 2003-11-23 devnull return 0;
1016 f476c92f 2004-04-18 devnull if(rawon())
1017 cfabc3ed 2003-11-23 devnull return t.nraw != 0;
1019 cfabc3ed 2003-11-23 devnull /* look to see if there is a complete line */
1020 cfabc3ed 2003-11-23 devnull for(i=t.qh; i<t.nr; i++){
1021 cfabc3ed 2003-11-23 devnull c = t.r[i];
1022 ba9ffa53 2004-03-21 devnull if(c=='\n' || c=='\004' || c=='\x7F')
1023 cfabc3ed 2003-11-23 devnull return 1;
1025 cfabc3ed 2003-11-23 devnull return 0;
1030 cfabc3ed 2003-11-23 devnull consread(void)
1032 cfabc3ed 2003-11-23 devnull char buf[8000], *p;
1033 cfabc3ed 2003-11-23 devnull int c, width, n;
1034 f476c92f 2004-04-18 devnull int s, raw;
1036 f476c92f 2004-04-18 devnull raw = rawon();
1037 cfabc3ed 2003-11-23 devnull for(;;) {
1038 cfabc3ed 2003-11-23 devnull if(!consready())
1039 cfabc3ed 2003-11-23 devnull return;
1040 cfabc3ed 2003-11-23 devnull n = sizeof(buf);
1041 cfabc3ed 2003-11-23 devnull p = buf;
1043 cfabc3ed 2003-11-23 devnull while(n >= UTFmax && (t.qh<t.nr || t.nraw > 0)) {
1044 cfabc3ed 2003-11-23 devnull if(t.qh == t.nr){
1045 cfabc3ed 2003-11-23 devnull width = runetochar(p, &t.raw[0]);
1046 cfabc3ed 2003-11-23 devnull t.nraw--;
1047 cfabc3ed 2003-11-23 devnull runemove(t.raw, t.raw+1, t.nraw);
1049 cfabc3ed 2003-11-23 devnull width = runetochar(p, &t.r[t.qh++]);
1050 cfabc3ed 2003-11-23 devnull c = *p;
1051 cfabc3ed 2003-11-23 devnull p += width;
1052 cfabc3ed 2003-11-23 devnull n -= width;
1053 f476c92f 2004-04-18 devnull if(!raw && (c == '\n' || c == '\004' || c == '\x7F'))
1056 669250d1 2003-12-03 devnull n = p-buf;
1059 0fa6e0cf 2004-08-06 devnull * If we've been echoing, make sure the terminal isn't
1060 a2705f20 2004-04-16 devnull * while we do the write. This screws up if someone
1061 0fa6e0cf 2004-08-06 devnull * else tries to turn off echo at the same time we do
1062 0fa6e0cf 2004-08-06 devnull * (we'll turn it on again after the write), but that's not
1063 0fa6e0cf 2004-08-06 devnull * too likely.
1065 a2705f20 2004-04-16 devnull s = setecho(sfd, 0);
1066 8ad51794 2004-03-25 devnull if(write(rcfd, buf, n) < 0)
1067 cfabc3ed 2003-11-23 devnull exits(0);
1069 8773b4b2 2004-08-02 devnull setecho(sfd, s);
1074 cfabc3ed 2003-11-23 devnull conswrite(char *p, int n)
1076 cfabc3ed 2003-11-23 devnull int n2, i;
1077 cfabc3ed 2003-11-23 devnull Rune buf2[1000], *q;
1079 cfabc3ed 2003-11-23 devnull /* convert to runes */
1080 cfabc3ed 2003-11-23 devnull i = t.npart;
1081 cfabc3ed 2003-11-23 devnull if(i > 0){
1082 cfabc3ed 2003-11-23 devnull /* handle partial runes */
1083 cfabc3ed 2003-11-23 devnull while(i < UTFmax && n>0) {
1084 cfabc3ed 2003-11-23 devnull t.part[i] = *p;
1088 cfabc3ed 2003-11-23 devnull if(fullrune(t.part, i)) {
1089 cfabc3ed 2003-11-23 devnull t.npart = 0;
1090 cfabc3ed 2003-11-23 devnull chartorune(buf2, t.part);
1091 cfabc3ed 2003-11-23 devnull runewrite(buf2, 1);
1095 cfabc3ed 2003-11-23 devnull /* there is a little extra room in a message buf */
1098 cfabc3ed 2003-11-23 devnull while(n >= UTFmax || fullrune(p, n)) {
1099 cfabc3ed 2003-11-23 devnull n2 = nelem(buf2);
1100 cfabc3ed 2003-11-23 devnull q = buf2;
1102 cfabc3ed 2003-11-23 devnull while(n2) {
1103 cfabc3ed 2003-11-23 devnull if(n < UTFmax && !fullrune(p, n))
1105 cfabc3ed 2003-11-23 devnull i = chartorune(q, p);
1106 cfabc3ed 2003-11-23 devnull p += i;
1107 cfabc3ed 2003-11-23 devnull n -= i;
1111 cfabc3ed 2003-11-23 devnull runewrite(buf2, q-buf2);
1114 cfabc3ed 2003-11-23 devnull if(n != 0) {
1115 cfabc3ed 2003-11-23 devnull assert(n+t.npart < UTFmax);
1116 cfabc3ed 2003-11-23 devnull memcpy(t.part+t.npart, p, n);
1117 cfabc3ed 2003-11-23 devnull t.npart += n;
1120 cfabc3ed 2003-11-23 devnull if(scrolling)
1121 cfabc3ed 2003-11-23 devnull show(t.qh);
1125 cfabc3ed 2003-11-23 devnull runewrite(Rune *r, int n)
1128 cfabc3ed 2003-11-23 devnull uint initial;
1129 cfabc3ed 2003-11-23 devnull uint q0, q1;
1130 cfabc3ed 2003-11-23 devnull uint p0, p1;
1131 cfabc3ed 2003-11-23 devnull Rune *p, *q;
1133 cfabc3ed 2003-11-23 devnull n = label(r, n);
1134 cfabc3ed 2003-11-23 devnull if(n == 0)
1135 cfabc3ed 2003-11-23 devnull return;
1137 d2a414f2 2003-12-04 devnull /* get rid of backspaces */
1138 cfabc3ed 2003-11-23 devnull initial = 0;
1139 cfabc3ed 2003-11-23 devnull p = q = r;
1140 cfabc3ed 2003-11-23 devnull for(i=0; i<n; i++) {
1141 cfabc3ed 2003-11-23 devnull if(*p == '\b') {
1142 cfabc3ed 2003-11-23 devnull if(q == r)
1143 cfabc3ed 2003-11-23 devnull initial++;
1146 0e25d609 2004-04-20 devnull } else if(*p == '\r') { /* treat like ^U */
1147 0e25d609 2004-04-20 devnull /* convert CR without NL into erased line */
1148 0e25d609 2004-04-20 devnull /* i feel really sleazy about this but it helps */
1149 304b47c1 2004-04-25 devnull while(i<n-1 && *(p+1) == '\r'){
1153 0e25d609 2004-04-20 devnull if(i<n-1 && *(p+1) != '\n'){
1154 0e25d609 2004-04-20 devnull while(q > r && *(q-1) != '\n')
1156 0e25d609 2004-04-20 devnull if(q==r)
1157 0e25d609 2004-04-20 devnull initial = bswidth(0x15, t.qh, 0);
1159 cfabc3ed 2003-11-23 devnull } else if(*p)
1160 cfabc3ed 2003-11-23 devnull *q++ = *p;
1163 cfabc3ed 2003-11-23 devnull n = q-r;
1165 cfabc3ed 2003-11-23 devnull if(initial){
1166 cfabc3ed 2003-11-23 devnull /* write turned into a delete */
1168 cfabc3ed 2003-11-23 devnull if(initial > t.qh)
1169 cfabc3ed 2003-11-23 devnull initial = t.qh;
1170 cfabc3ed 2003-11-23 devnull q0 = t.qh-initial;
1171 cfabc3ed 2003-11-23 devnull q1 = t.qh;
1173 cfabc3ed 2003-11-23 devnull runemove(t.r+q0, t.r+q1, t.nr-q1);
1174 cfabc3ed 2003-11-23 devnull t.nr -= initial;
1175 cfabc3ed 2003-11-23 devnull t.qh -= initial;
1176 cfabc3ed 2003-11-23 devnull if(t.q0 > q1)
1177 cfabc3ed 2003-11-23 devnull t.q0 -= initial;
1178 cfabc3ed 2003-11-23 devnull else if(t.q0 > q0)
1179 cfabc3ed 2003-11-23 devnull t.q0 = q0;
1180 cfabc3ed 2003-11-23 devnull if(t.q1 > q1)
1181 cfabc3ed 2003-11-23 devnull t.q1 -= initial;
1182 cfabc3ed 2003-11-23 devnull else if(t.q1 > q0)
1183 cfabc3ed 2003-11-23 devnull t.q1 = q0;
1184 cfabc3ed 2003-11-23 devnull if(t.org > q1)
1185 cfabc3ed 2003-11-23 devnull t.org -= initial;
1186 cfabc3ed 2003-11-23 devnull else if(q0 < t.org+t.f->nchars){
1187 cfabc3ed 2003-11-23 devnull if(t.org < q0)
1188 cfabc3ed 2003-11-23 devnull p0 = q0 - t.org;
1190 cfabc3ed 2003-11-23 devnull t.org = q0;
1191 cfabc3ed 2003-11-23 devnull p0 = 0;
1193 cfabc3ed 2003-11-23 devnull p1 = q1 - t.org;
1194 cfabc3ed 2003-11-23 devnull if(p1 > t.f->nchars)
1195 cfabc3ed 2003-11-23 devnull p1 = t.f->nchars;
1196 cfabc3ed 2003-11-23 devnull frdelete(t.f, p0, p1);
1197 cfabc3ed 2003-11-23 devnull fill();
1199 cfabc3ed 2003-11-23 devnull updatesel();
1202 8ad51794 2004-03-25 devnull insert(r, n, t.qh, 1);
1207 cfabc3ed 2003-11-23 devnull cut(void)
1209 cfabc3ed 2003-11-23 devnull uint n, p0, p1;
1210 cfabc3ed 2003-11-23 devnull uint q0, q1;
1212 cfabc3ed 2003-11-23 devnull q0 = t.q0;
1213 cfabc3ed 2003-11-23 devnull q1 = t.q1;
1215 cfabc3ed 2003-11-23 devnull if (q0 < t.org && q1 >= t.org)
1216 cfabc3ed 2003-11-23 devnull show(q0);
1218 cfabc3ed 2003-11-23 devnull n = q1-q0;
1219 cfabc3ed 2003-11-23 devnull if(n == 0)
1220 cfabc3ed 2003-11-23 devnull return;
1221 cfabc3ed 2003-11-23 devnull runemove(t.r+q0, t.r+q1, t.nr-q1);
1222 cfabc3ed 2003-11-23 devnull t.nr -= n;
1223 cfabc3ed 2003-11-23 devnull t.q0 = t.q1 = q0;
1224 cfabc3ed 2003-11-23 devnull if(q1 < t.qh)
1225 cfabc3ed 2003-11-23 devnull t.qh -= n;
1226 cfabc3ed 2003-11-23 devnull else if(q0 < t.qh)
1227 cfabc3ed 2003-11-23 devnull t.qh = q0;
1228 cfabc3ed 2003-11-23 devnull if(q1 < t.org)
1229 cfabc3ed 2003-11-23 devnull t.org -= n;
1230 cfabc3ed 2003-11-23 devnull else if(q0 < t.org+t.f->nchars){
1231 cfabc3ed 2003-11-23 devnull assert(q0 >= t.org);
1232 cfabc3ed 2003-11-23 devnull p0 = q0 - t.org;
1233 cfabc3ed 2003-11-23 devnull p1 = q1 - t.org;
1234 cfabc3ed 2003-11-23 devnull if(p1 > t.f->nchars)
1235 cfabc3ed 2003-11-23 devnull p1 = t.f->nchars;
1236 cfabc3ed 2003-11-23 devnull frdelete(t.f, p0, p1);
1237 cfabc3ed 2003-11-23 devnull fill();
1239 cfabc3ed 2003-11-23 devnull updatesel();
1243 cfabc3ed 2003-11-23 devnull snarfupdate(void)
1245 cfabc3ed 2003-11-23 devnull char *pp;
1246 cfabc3ed 2003-11-23 devnull int n, i;
1247 cfabc3ed 2003-11-23 devnull Rune *p;
1249 cfabc3ed 2003-11-23 devnull pp = getsnarf();
1250 d3acba95 2003-12-04 devnull if(pp == nil)
1251 d3acba95 2003-12-04 devnull return;
1252 cfabc3ed 2003-11-23 devnull n = strlen(pp);
1253 cfabc3ed 2003-11-23 devnull if(n <= 0) {
1254 cfabc3ed 2003-11-23 devnull /*t.nsnarf = 0;*/
1255 cfabc3ed 2003-11-23 devnull return;
1257 cfabc3ed 2003-11-23 devnull t.snarf = runerealloc(t.snarf, n);
1258 cfabc3ed 2003-11-23 devnull for(i=0,p=t.snarf; i<n; p++)
1259 cfabc3ed 2003-11-23 devnull i += chartorune(p, pp+i);
1260 cfabc3ed 2003-11-23 devnull t.nsnarf = p-t.snarf;
1264 dff7e273 2003-12-04 devnull char sbuf[SnarfSize];
1266 cfabc3ed 2003-11-23 devnull snarf(void)
1268 dff7e273 2003-12-04 devnull char *p;
1269 cfabc3ed 2003-11-23 devnull int i, n;
1270 cfabc3ed 2003-11-23 devnull Rune *rp;
1272 cfabc3ed 2003-11-23 devnull if(t.q1 == t.q0)
1273 cfabc3ed 2003-11-23 devnull return;
1274 cfabc3ed 2003-11-23 devnull n = t.q1-t.q0;
1275 dff7e273 2003-12-04 devnull t.snarf = runerealloc(t.snarf, n);
1276 dff7e273 2003-12-04 devnull for(i=0,p=sbuf,rp=t.snarf; i<n && p < sbuf+SnarfSize-UTFmax; i++){
1277 cfabc3ed 2003-11-23 devnull *rp++ = *(t.r+t.q0+i);
1278 cfabc3ed 2003-11-23 devnull p += runetochar(p, t.r+t.q0+i);
1280 cfabc3ed 2003-11-23 devnull t.nsnarf = rp-t.snarf;
1281 cfabc3ed 2003-11-23 devnull *p = '\0';
1282 dff7e273 2003-12-04 devnull putsnarf(sbuf);
1286 8ad51794 2004-03-25 devnull min(uint x, uint y)
1288 8ad51794 2004-03-25 devnull if(x < y)
1289 8ad51794 2004-03-25 devnull return x;
1290 8ad51794 2004-03-25 devnull return y;
1294 8ad51794 2004-03-25 devnull max(uint x, uint y)
1296 8ad51794 2004-03-25 devnull if(x > y)
1297 8ad51794 2004-03-25 devnull return x;
1298 8ad51794 2004-03-25 devnull return y;
1302 8ad51794 2004-03-25 devnull insert(Rune *r, int n, uint q0, int hostwrite)
1304 8ad51794 2004-03-25 devnull uint m;
1306 8ad51794 2004-03-25 devnull if(n == 0)
1307 8ad51794 2004-03-25 devnull return q0;
1308 8ad51794 2004-03-25 devnull if(t.nr+n>HiWater && q0>=t.org && q0>=t.qh){
1309 8ad51794 2004-03-25 devnull m = min(HiWater-LoWater, min(t.org, t.qh));
1310 8ad51794 2004-03-25 devnull t.org -= m;
1311 8ad51794 2004-03-25 devnull t.qh -= m;
1312 8ad51794 2004-03-25 devnull if(t.q0 > m)
1313 8ad51794 2004-03-25 devnull t.q0 -= m;
1315 8ad51794 2004-03-25 devnull t.q0 = 0;
1316 8ad51794 2004-03-25 devnull if(t.q1 > m)
1317 8ad51794 2004-03-25 devnull t.q1 -= m;
1319 8ad51794 2004-03-25 devnull t.q1 = 0;
1320 8ad51794 2004-03-25 devnull t.nr -= m;
1321 8ad51794 2004-03-25 devnull runemove(t.r, t.r+m, t.nr);
1322 8ad51794 2004-03-25 devnull q0 -= m;
1324 8ad51794 2004-03-25 devnull if(t.nr+n > t.maxr){
1326 8ad51794 2004-03-25 devnull * Minimize realloc breakage:
1327 8ad51794 2004-03-25 devnull * Allocate at least MinWater
1328 8ad51794 2004-03-25 devnull * Double allocation size each time
1329 8ad51794 2004-03-25 devnull * But don't go much above HiWater
1331 8ad51794 2004-03-25 devnull m = max(min(2*(t.nr+n), HiWater), t.nr+n)+MinWater;
1332 8ad51794 2004-03-25 devnull if(m > HiWater)
1333 8ad51794 2004-03-25 devnull m = max(HiWater+MinWater, t.nr+n);
1334 8ad51794 2004-03-25 devnull if(m > t.maxr){
1335 8ad51794 2004-03-25 devnull t.r = runerealloc(t.r, m);
1336 8ad51794 2004-03-25 devnull t.maxr = m;
1339 8ad51794 2004-03-25 devnull runemove(t.r+q0+n, t.r+q0, t.nr-q0);
1340 8ad51794 2004-03-25 devnull runemove(t.r+q0, r, n);
1341 8ad51794 2004-03-25 devnull t.nr += n;
1342 8ad51794 2004-03-25 devnull /* if output touches, advance selection, not qh; works best for keyboard and output */
1343 8ad51794 2004-03-25 devnull if(q0 <= t.q1)
1344 8ad51794 2004-03-25 devnull t.q1 += n;
1345 8ad51794 2004-03-25 devnull if(q0 <= t.q0)
1346 8ad51794 2004-03-25 devnull t.q0 += n;
1347 8ad51794 2004-03-25 devnull if(q0 < t.qh || (q0==t.qh && hostwrite))
1348 8ad51794 2004-03-25 devnull t.qh += n;
1350 8ad51794 2004-03-25 devnull consread();
1351 8ad51794 2004-03-25 devnull if(q0 < t.org)
1352 8ad51794 2004-03-25 devnull t.org += n;
1353 8ad51794 2004-03-25 devnull else if(q0 <= t.org+t.f->nchars)
1354 8ad51794 2004-03-25 devnull frinsert(t.f, r, r+n, q0-t.org);
1355 8ad51794 2004-03-25 devnull return q0;
1359 cfabc3ed 2003-11-23 devnull paste(Rune *r, int n, int advance)
1361 dff7e273 2003-12-04 devnull Rune *rbuf;
1363 f476c92f 2004-04-18 devnull if(rawon() && t.q0==t.nr){
1364 cfabc3ed 2003-11-23 devnull addraw(r, n);
1365 cfabc3ed 2003-11-23 devnull return;
1369 cfabc3ed 2003-11-23 devnull if(n == 0)
1370 cfabc3ed 2003-11-23 devnull return;
1373 ba9ffa53 2004-03-21 devnull * if this is a button2 execute then we might have been passed
1374 ba9ffa53 2004-03-21 devnull * runes inside the buffer. must save them before realloc.
1376 ba9ffa53 2004-03-21 devnull rbuf = nil;
1377 ba9ffa53 2004-03-21 devnull if(t.r <= r && r < t.r+n){
1378 ba9ffa53 2004-03-21 devnull rbuf = runemalloc(n);
1379 ba9ffa53 2004-03-21 devnull runemove(rbuf, r, n);
1380 ba9ffa53 2004-03-21 devnull r = rbuf;
1383 8ad51794 2004-03-25 devnull insert(r, n, t.q0, 0);
1384 cfabc3ed 2003-11-23 devnull updatesel();
1385 dff7e273 2003-12-04 devnull free(rbuf);
1389 cfabc3ed 2003-11-23 devnull fill(void)
1391 cfabc3ed 2003-11-23 devnull if (t.f->nlines >= t.f->maxlines)
1392 cfabc3ed 2003-11-23 devnull return;
1393 cfabc3ed 2003-11-23 devnull frinsert(t.f, t.r + t.org + t.f->nchars, t.r + t.nr, t.f->nchars);
1397 cfabc3ed 2003-11-23 devnull updatesel(void)
1399 cfabc3ed 2003-11-23 devnull Frame *f;
1400 cfabc3ed 2003-11-23 devnull uint n;
1402 cfabc3ed 2003-11-23 devnull f = t.f;
1403 cfabc3ed 2003-11-23 devnull if(t.org+f->p0 == t.q0 && t.org+f->p1 == t.q1)
1404 cfabc3ed 2003-11-23 devnull return;
1406 cfabc3ed 2003-11-23 devnull n = t.f->nchars;
1408 cfabc3ed 2003-11-23 devnull frdrawsel(f, frptofchar(f, f->p0), f->p0, f->p1, 0);
1409 cfabc3ed 2003-11-23 devnull if (t.q0 >= t.org)
1410 cfabc3ed 2003-11-23 devnull f->p0 = t.q0-t.org;
1412 cfabc3ed 2003-11-23 devnull f->p0 = 0;
1413 cfabc3ed 2003-11-23 devnull if(f->p0 > n)
1414 cfabc3ed 2003-11-23 devnull f->p0 = n;
1415 cfabc3ed 2003-11-23 devnull if (t.q1 >= t.org)
1416 cfabc3ed 2003-11-23 devnull f->p1 = t.q1-t.org;
1418 cfabc3ed 2003-11-23 devnull f->p1 = 0;
1419 cfabc3ed 2003-11-23 devnull if(f->p1 > n)
1420 cfabc3ed 2003-11-23 devnull f->p1 = n;
1421 cfabc3ed 2003-11-23 devnull frdrawsel(f, frptofchar(f, f->p0), f->p0, f->p1, 1);
1424 cfabc3ed 2003-11-23 devnull if(t.qh<=t.org+t.f.nchars && t.cwqueue != 0)
1425 cfabc3ed 2003-11-23 devnull t.cwqueue->wakeup <-= 0;
1428 cfabc3ed 2003-11-23 devnull tcheck();
1432 cfabc3ed 2003-11-23 devnull show(uint q0)
1434 cfabc3ed 2003-11-23 devnull int nl;
1435 cfabc3ed 2003-11-23 devnull uint q, oq;
1437 cfabc3ed 2003-11-23 devnull if(cansee(q0))
1438 cfabc3ed 2003-11-23 devnull return;
1440 cfabc3ed 2003-11-23 devnull if (q0<t.org)
1441 cfabc3ed 2003-11-23 devnull nl = t.f->maxlines/5;
1443 cfabc3ed 2003-11-23 devnull nl = 4*t.f->maxlines/5;
1444 cfabc3ed 2003-11-23 devnull q = backnl(q0, nl);
1445 cfabc3ed 2003-11-23 devnull /* avoid going in the wrong direction */
1446 cfabc3ed 2003-11-23 devnull if (q0>t.org && q<t.org)
1447 cfabc3ed 2003-11-23 devnull q = t.org;
1448 cfabc3ed 2003-11-23 devnull setorigin(q, 0);
1449 cfabc3ed 2003-11-23 devnull /* keep trying until q0 is on the screen */
1450 cfabc3ed 2003-11-23 devnull while(!cansee(q0)) {
1451 cfabc3ed 2003-11-23 devnull assert(q0 >= t.org);
1452 cfabc3ed 2003-11-23 devnull oq = q;
1453 cfabc3ed 2003-11-23 devnull q = line2q(t.f->maxlines-nl);
1454 cfabc3ed 2003-11-23 devnull assert(q > oq);
1455 cfabc3ed 2003-11-23 devnull setorigin(q, 1);
1460 cfabc3ed 2003-11-23 devnull cansee(uint q0)
1462 cfabc3ed 2003-11-23 devnull uint qe;
1464 cfabc3ed 2003-11-23 devnull qe = t.org+t.f->nchars;
1466 cfabc3ed 2003-11-23 devnull if(q0>=t.org && q0 < qe)
1467 cfabc3ed 2003-11-23 devnull return 1;
1468 cfabc3ed 2003-11-23 devnull if (q0 != qe)
1469 cfabc3ed 2003-11-23 devnull return 0;
1470 cfabc3ed 2003-11-23 devnull if (t.f->nlines < t.f->maxlines)
1471 cfabc3ed 2003-11-23 devnull return 1;
1472 cfabc3ed 2003-11-23 devnull if (q0 > 0 && t.r[t.nr-1] == '\n')
1473 cfabc3ed 2003-11-23 devnull return 0;
1474 cfabc3ed 2003-11-23 devnull return 1;
1479 cfabc3ed 2003-11-23 devnull setorigin(uint org, int exact)
1481 cfabc3ed 2003-11-23 devnull int i, a;
1482 cfabc3ed 2003-11-23 devnull uint n;
1484 cfabc3ed 2003-11-23 devnull if(org>0 && !exact){
1485 cfabc3ed 2003-11-23 devnull /* try and start after a newline */
1486 cfabc3ed 2003-11-23 devnull /* don't try harder than 256 chars */
1487 cfabc3ed 2003-11-23 devnull for(i=0; i<256 && org<t.nr; i++){
1488 cfabc3ed 2003-11-23 devnull if(t.r[org-1] == '\n')
1493 cfabc3ed 2003-11-23 devnull a = org-t.org;
1495 cfabc3ed 2003-11-23 devnull if(a>=0 && a<t.f->nchars)
1496 cfabc3ed 2003-11-23 devnull frdelete(t.f, 0, a);
1497 cfabc3ed 2003-11-23 devnull else if(a<0 && -a<100*t.f->maxlines){
1498 cfabc3ed 2003-11-23 devnull n = t.org - org;
1499 cfabc3ed 2003-11-23 devnull frinsert(t.f, t.r+org, t.r+org+n, 0);
1501 cfabc3ed 2003-11-23 devnull frdelete(t.f, 0, t.f->nchars);
1502 cfabc3ed 2003-11-23 devnull t.org = org;
1503 cfabc3ed 2003-11-23 devnull fill();
1504 cfabc3ed 2003-11-23 devnull updatesel();
1509 cfabc3ed 2003-11-23 devnull line2q(uint n)
1511 cfabc3ed 2003-11-23 devnull Frame *f;
1513 cfabc3ed 2003-11-23 devnull f = t.f;
1514 cfabc3ed 2003-11-23 devnull return frcharofpt(f, Pt(f->r.min.x, f->r.min.y + n*font->height))+t.org;
1518 cfabc3ed 2003-11-23 devnull backnl(uint p, uint n)
1520 cfabc3ed 2003-11-23 devnull int i, j;
1522 cfabc3ed 2003-11-23 devnull for (i = n;; i--) {
1523 cfabc3ed 2003-11-23 devnull /* at 256 chars, call it a line anyway */
1524 cfabc3ed 2003-11-23 devnull for(j=256; --j>0 && p>0; p--)
1525 cfabc3ed 2003-11-23 devnull if(t.r[p-1]=='\n')
1527 cfabc3ed 2003-11-23 devnull if (p == 0 || i == 0)
1528 cfabc3ed 2003-11-23 devnull return p;
1534 cfabc3ed 2003-11-23 devnull addraw(Rune *r, int nr)
1536 cfabc3ed 2003-11-23 devnull t.raw = runerealloc(t.raw, t.nraw+nr);
1537 cfabc3ed 2003-11-23 devnull runemove(t.raw+t.nraw, r, nr);
1538 cfabc3ed 2003-11-23 devnull t.nraw += nr;
1540 cfabc3ed 2003-11-23 devnull if(t.crqueue != nil)
1541 cfabc3ed 2003-11-23 devnull t.crqueue->wakeup <-= 0;
1546 cfabc3ed 2003-11-23 devnull Rune left1[] = { '{', '[', '(', '<', 0xab, 0 };
1547 cfabc3ed 2003-11-23 devnull Rune right1[] = { '}', ']', ')', '>', 0xbb, 0 };
1548 cfabc3ed 2003-11-23 devnull Rune left2[] = { '\n', 0 };
1549 cfabc3ed 2003-11-23 devnull Rune left3[] = { '\'', '"', '`', 0 };
1551 cfabc3ed 2003-11-23 devnull Rune *left[] = {
1558 cfabc3ed 2003-11-23 devnull Rune *right[] = {
1559 cfabc3ed 2003-11-23 devnull right1,
1566 cfabc3ed 2003-11-23 devnull doubleclick(uint *q0, uint *q1)
1568 cfabc3ed 2003-11-23 devnull int c, i;
1569 cfabc3ed 2003-11-23 devnull Rune *r, *l, *p;
1570 cfabc3ed 2003-11-23 devnull uint q;
1572 cfabc3ed 2003-11-23 devnull for(i=0; left[i]!=0; i++){
1573 cfabc3ed 2003-11-23 devnull q = *q0;
1574 cfabc3ed 2003-11-23 devnull l = left[i];
1575 cfabc3ed 2003-11-23 devnull r = right[i];
1576 cfabc3ed 2003-11-23 devnull /* try matching character to left, looking right */
1577 cfabc3ed 2003-11-23 devnull if(q == 0)
1578 cfabc3ed 2003-11-23 devnull c = '\n';
1580 cfabc3ed 2003-11-23 devnull c = t.r[q-1];
1581 cfabc3ed 2003-11-23 devnull p = strrune(l, c);
1582 cfabc3ed 2003-11-23 devnull if(p != 0){
1583 cfabc3ed 2003-11-23 devnull if(clickmatch(c, r[p-l], 1, &q))
1584 cfabc3ed 2003-11-23 devnull *q1 = q-(c!='\n');
1585 cfabc3ed 2003-11-23 devnull return;
1587 cfabc3ed 2003-11-23 devnull /* try matching character to right, looking left */
1588 cfabc3ed 2003-11-23 devnull if(q == t.nr)
1589 cfabc3ed 2003-11-23 devnull c = '\n';
1591 cfabc3ed 2003-11-23 devnull c = t.r[q];
1592 cfabc3ed 2003-11-23 devnull p = strrune(r, c);
1593 cfabc3ed 2003-11-23 devnull if(p != 0){
1594 cfabc3ed 2003-11-23 devnull if(clickmatch(c, l[p-r], -1, &q)){
1595 cfabc3ed 2003-11-23 devnull *q1 = *q0+(*q0<t.nr && c=='\n');
1596 cfabc3ed 2003-11-23 devnull *q0 = q;
1597 cfabc3ed 2003-11-23 devnull if(c!='\n' || q!=0 || t.r[0]=='\n')
1598 cfabc3ed 2003-11-23 devnull (*q0)++;
1600 cfabc3ed 2003-11-23 devnull return;
1603 cfabc3ed 2003-11-23 devnull /* try filling out word to right */
1604 cfabc3ed 2003-11-23 devnull while(*q1<t.nr && isalnum(t.r[*q1]))
1605 cfabc3ed 2003-11-23 devnull (*q1)++;
1606 cfabc3ed 2003-11-23 devnull /* try filling out word to left */
1607 cfabc3ed 2003-11-23 devnull while(*q0>0 && isalnum(t.r[*q0-1]))
1608 cfabc3ed 2003-11-23 devnull (*q0)--;
1612 cfabc3ed 2003-11-23 devnull clickmatch(int cl, int cr, int dir, uint *q)
1614 cfabc3ed 2003-11-23 devnull Rune c;
1615 cfabc3ed 2003-11-23 devnull int nest;
1617 cfabc3ed 2003-11-23 devnull nest = 1;
1618 cfabc3ed 2003-11-23 devnull for(;;){
1619 cfabc3ed 2003-11-23 devnull if(dir > 0){
1620 cfabc3ed 2003-11-23 devnull if(*q == t.nr)
1622 cfabc3ed 2003-11-23 devnull c = t.r[*q];
1623 cfabc3ed 2003-11-23 devnull (*q)++;
1625 cfabc3ed 2003-11-23 devnull if(*q == 0)
1627 cfabc3ed 2003-11-23 devnull (*q)--;
1628 cfabc3ed 2003-11-23 devnull c = t.r[*q];
1630 cfabc3ed 2003-11-23 devnull if(c == cr){
1631 cfabc3ed 2003-11-23 devnull if(--nest==0)
1632 cfabc3ed 2003-11-23 devnull return 1;
1633 cfabc3ed 2003-11-23 devnull }else if(c == cl)
1634 cfabc3ed 2003-11-23 devnull nest++;
1636 cfabc3ed 2003-11-23 devnull return cl=='\n' && nest==1;
1640 cfabc3ed 2003-11-23 devnull tcheck(void)
1642 cfabc3ed 2003-11-23 devnull Frame *f;
1644 cfabc3ed 2003-11-23 devnull f = t.f;
1646 cfabc3ed 2003-11-23 devnull assert(t.q0 <= t.q1 && t.q1 <= t.nr);
1647 cfabc3ed 2003-11-23 devnull assert(t.org <= t.nr && t.qh <= t.nr);
1648 cfabc3ed 2003-11-23 devnull assert(f->p0 <= f->p1 && f->p1 <= f->nchars);
1649 cfabc3ed 2003-11-23 devnull assert(t.org + f->nchars <= t.nr);
1650 cfabc3ed 2003-11-23 devnull assert(t.org+f->nchars==t.nr || (f->nlines >= f->maxlines));
1654 cfabc3ed 2003-11-23 devnull strrune(Rune *s, Rune c)
1656 cfabc3ed 2003-11-23 devnull Rune c1;
1658 cfabc3ed 2003-11-23 devnull if(c == 0) {
1659 cfabc3ed 2003-11-23 devnull while(*s++)
1661 cfabc3ed 2003-11-23 devnull return s-1;
1664 cfabc3ed 2003-11-23 devnull while(c1 = *s++)
1665 cfabc3ed 2003-11-23 devnull if(c1 == c)
1666 cfabc3ed 2003-11-23 devnull return s-1;
1667 cfabc3ed 2003-11-23 devnull return 0;
1671 cfabc3ed 2003-11-23 devnull scrdraw(void)
1673 cfabc3ed 2003-11-23 devnull Rectangle r, r1, r2;
1674 cfabc3ed 2003-11-23 devnull static Image *scrx;
1676 cfabc3ed 2003-11-23 devnull r = scrollr;
1677 cfabc3ed 2003-11-23 devnull r.min.x += 1; /* border between margin and bar */
1678 cfabc3ed 2003-11-23 devnull r1 = r;
1679 cfabc3ed 2003-11-23 devnull if(scrx==0 || scrx->r.max.y < r.max.y){
1680 cfabc3ed 2003-11-23 devnull if(scrx)
1681 cfabc3ed 2003-11-23 devnull freeimage(scrx);
1682 cfabc3ed 2003-11-23 devnull scrx = allocimage(display, Rect(0, 0, 32, r.max.y), screen->chan, 1, DPaleyellow);
1683 cfabc3ed 2003-11-23 devnull if(scrx == 0)
1684 8ad51794 2004-03-25 devnull sysfatal("scroll balloc");
1686 cfabc3ed 2003-11-23 devnull r1.min.x = 0;
1687 cfabc3ed 2003-11-23 devnull r1.max.x = Dx(r);
1688 cfabc3ed 2003-11-23 devnull r2 = scrpos(r1, t.org, t.org+t.f->nchars, t.nr);
1689 cfabc3ed 2003-11-23 devnull if(!eqrect(r2, lastsr)){
1690 cfabc3ed 2003-11-23 devnull lastsr = r2;
1691 cfabc3ed 2003-11-23 devnull draw(scrx, r1, cols[BORD], nil, ZP);
1692 cfabc3ed 2003-11-23 devnull draw(scrx, r2, cols[BACK], nil, r2.min);
1693 cfabc3ed 2003-11-23 devnull // r2 = r1;
1694 cfabc3ed 2003-11-23 devnull // r2.min.x = r2.max.x-1;
1695 cfabc3ed 2003-11-23 devnull // draw(scrx, r2, cols[BORD], nil, ZP);
1696 cfabc3ed 2003-11-23 devnull draw(screen, r, scrx, nil, r1.min);
1700 cfabc3ed 2003-11-23 devnull Rectangle
1701 cfabc3ed 2003-11-23 devnull scrpos(Rectangle r, ulong p0, ulong p1, ulong tot)
1703 cfabc3ed 2003-11-23 devnull long h;
1704 cfabc3ed 2003-11-23 devnull Rectangle q;
1706 cfabc3ed 2003-11-23 devnull q = insetrect(r, 1);
1707 cfabc3ed 2003-11-23 devnull h = q.max.y-q.min.y;
1708 cfabc3ed 2003-11-23 devnull if(tot == 0)
1709 cfabc3ed 2003-11-23 devnull return q;
1710 cfabc3ed 2003-11-23 devnull if(tot > 1024L*1024L)
1711 cfabc3ed 2003-11-23 devnull tot >>= 10, p0 >>= 10, p1 >>= 10;
1712 cfabc3ed 2003-11-23 devnull if(p0 > 0)
1713 cfabc3ed 2003-11-23 devnull q.min.y += h*p0/tot;
1714 cfabc3ed 2003-11-23 devnull if(p1 < tot)
1715 cfabc3ed 2003-11-23 devnull q.max.y -= h*(tot-p1)/tot;
1716 cfabc3ed 2003-11-23 devnull if(q.max.y < q.min.y+2){
1717 cfabc3ed 2003-11-23 devnull if(q.min.y+2 <= r.max.y)
1718 cfabc3ed 2003-11-23 devnull q.max.y = q.min.y+2;
1720 cfabc3ed 2003-11-23 devnull q.min.y = q.max.y-2;
1722 cfabc3ed 2003-11-23 devnull return q;
1726 cfabc3ed 2003-11-23 devnull scroll(int but)
1728 cfabc3ed 2003-11-23 devnull uint p0, oldp0;
1729 cfabc3ed 2003-11-23 devnull Rectangle s;
1730 cfabc3ed 2003-11-23 devnull int x, y, my, h, first, exact;
1732 cfabc3ed 2003-11-23 devnull s = insetrect(scrollr, 1);
1733 cfabc3ed 2003-11-23 devnull h = s.max.y-s.min.y;
1734 cfabc3ed 2003-11-23 devnull x = (s.min.x+s.max.x)/2;
1735 cfabc3ed 2003-11-23 devnull oldp0 = ~0;
1736 cfabc3ed 2003-11-23 devnull first = 1;
1738 cfabc3ed 2003-11-23 devnull if(t.m.xy.x<s.min.x || s.max.x<=t.m.xy.x){
1739 cfabc3ed 2003-11-23 devnull readmouse(mc);
1740 cfabc3ed 2003-11-23 devnull t.m = mc->m;
1742 cfabc3ed 2003-11-23 devnull my = t.m.xy.y;
1743 cfabc3ed 2003-11-23 devnull if(my < s.min.y)
1744 cfabc3ed 2003-11-23 devnull my = s.min.y;
1745 cfabc3ed 2003-11-23 devnull if(my >= s.max.y)
1746 cfabc3ed 2003-11-23 devnull my = s.max.y;
1747 cfabc3ed 2003-11-23 devnull // if(!eqpt(t.m.xy, Pt(x, my)))
1748 cfabc3ed 2003-11-23 devnull // cursorset(Pt(x, my));
1749 cfabc3ed 2003-11-23 devnull exact = 1;
1750 cfabc3ed 2003-11-23 devnull if(but == 2){
1751 cfabc3ed 2003-11-23 devnull y = my;
1752 cfabc3ed 2003-11-23 devnull if(y > s.max.y-2)
1753 cfabc3ed 2003-11-23 devnull y = s.max.y-2;
1754 cfabc3ed 2003-11-23 devnull if(t.nr > 1024*1024)
1755 cfabc3ed 2003-11-23 devnull p0 = ((t.nr>>10)*(y-s.min.y)/h)<<10;
1757 cfabc3ed 2003-11-23 devnull p0 = t.nr*(y-s.min.y)/h;
1758 cfabc3ed 2003-11-23 devnull exact = 0;
1759 cfabc3ed 2003-11-23 devnull } else if(but == 1)
1760 cfabc3ed 2003-11-23 devnull p0 = backnl(t.org, (my-s.min.y)/font->height);
1762 cfabc3ed 2003-11-23 devnull p0 = t.org+frcharofpt(t.f, Pt(s.max.x, my));
1764 cfabc3ed 2003-11-23 devnull if(oldp0 != p0)
1765 cfabc3ed 2003-11-23 devnull setorigin(p0, exact);
1766 cfabc3ed 2003-11-23 devnull oldp0 = p0;
1767 cfabc3ed 2003-11-23 devnull scrdraw();
1768 cfabc3ed 2003-11-23 devnull readmouse(mc);
1769 cfabc3ed 2003-11-23 devnull t.m = mc->m;
1771 cfabc3ed 2003-11-23 devnull }while(t.m.buttons & (1<<(but-1)));
1775 cfabc3ed 2003-11-23 devnull plumbstart(void)
1777 32f69c36 2003-12-11 devnull if((plumbfd = plumbopen("send", OWRITE)) < 0)
1778 304278e5 2004-03-21 devnull fprint(2, "9term: plumbopen: %r\n");
1782 cfabc3ed 2003-11-23 devnull plumb(uint q0, uint q1)
1784 cfabc3ed 2003-11-23 devnull Plumbmsg *pm;
1785 cfabc3ed 2003-11-23 devnull char *p;
1786 cfabc3ed 2003-11-23 devnull int i, p0, n;
1787 cfabc3ed 2003-11-23 devnull char cbuf[100];
1789 cfabc3ed 2003-11-23 devnull pm = malloc(sizeof(Plumbmsg));
1790 cfabc3ed 2003-11-23 devnull pm->src = strdup("9term");
1791 cfabc3ed 2003-11-23 devnull pm->dst = 0;
1792 8ad51794 2004-03-25 devnull pm->wdir = strdup(wdir);
1793 cfabc3ed 2003-11-23 devnull pm->type = strdup("text");
1794 64044a07 2004-03-21 devnull pm->data = nil;
1795 cfabc3ed 2003-11-23 devnull if(q1 > q0)
1796 cfabc3ed 2003-11-23 devnull pm->attr = nil;
1798 cfabc3ed 2003-11-23 devnull p0 = q0;
1799 d3acba95 2003-12-04 devnull wordclick(&q0, &q1);
1800 cfabc3ed 2003-11-23 devnull sprint(cbuf, "click=%d", p0-q0);
1801 cfabc3ed 2003-11-23 devnull pm->attr = plumbunpackattr(cbuf);
1803 cfabc3ed 2003-11-23 devnull if(q0==q1){
1804 cfabc3ed 2003-11-23 devnull plumbfree(pm);
1805 cfabc3ed 2003-11-23 devnull return;
1807 cfabc3ed 2003-11-23 devnull pm->data = malloc(SnarfSize);
1808 cfabc3ed 2003-11-23 devnull n = q1 - q0;
1809 cfabc3ed 2003-11-23 devnull for(i=0,p=pm->data; i<n && p < pm->data + SnarfSize-UTFmax; i++)
1810 cfabc3ed 2003-11-23 devnull p += runetochar(p, t.r+q0+i);
1811 cfabc3ed 2003-11-23 devnull *p = '\0';
1812 cfabc3ed 2003-11-23 devnull pm->ndata = strlen(pm->data);
1813 acc021b8 2005-01-02 devnull if(plumbsend(plumbfd, pm) < 0){
1814 acc021b8 2005-01-02 devnull setcursor(mc, &query);
1815 acc021b8 2005-01-02 devnull sleep(500);
1816 acc021b8 2005-01-02 devnull if(holdon)
1817 acc021b8 2005-01-02 devnull setcursor(mc, &whitearrow);
1819 acc021b8 2005-01-02 devnull setcursor(mc, nil);
1821 cfabc3ed 2003-11-23 devnull plumbfree(pm);
1825 cfabc3ed 2003-11-23 devnull * Process in-band messages about window title changes.
1826 cfabc3ed 2003-11-23 devnull * The messages are of the form:
1828 cfabc3ed 2003-11-23 devnull * \033];xxx\007
1830 cfabc3ed 2003-11-23 devnull * where xxx is the new directory. This format was chosen
1831 cfabc3ed 2003-11-23 devnull * because it changes the label on xterm windows.
1834 cfabc3ed 2003-11-23 devnull label(Rune *sr, int n)
1836 cfabc3ed 2003-11-23 devnull Rune *sl, *el, *er, *r;
1838 cfabc3ed 2003-11-23 devnull er = sr+n;
1839 cfabc3ed 2003-11-23 devnull for(r=er-1; r>=sr; r--)
1840 cfabc3ed 2003-11-23 devnull if(*r == '\007')
1842 cfabc3ed 2003-11-23 devnull if(r < sr)
1843 cfabc3ed 2003-11-23 devnull return n;
1845 cfabc3ed 2003-11-23 devnull el = r+1;
1846 cfabc3ed 2003-11-23 devnull if(el-sr > sizeof wdir)
1847 cfabc3ed 2003-11-23 devnull sr = el - sizeof wdir;
1848 cfabc3ed 2003-11-23 devnull for(sl=el-3; sl>=sr; sl--)
1849 cfabc3ed 2003-11-23 devnull if(sl[0]=='\033' && sl[1]==']' && sl[2]==';')
1851 cfabc3ed 2003-11-23 devnull if(sl < sr)
1852 cfabc3ed 2003-11-23 devnull return n;
1854 cfabc3ed 2003-11-23 devnull snprint(wdir, sizeof wdir, "%.*S", (el-1)-(sl+3), sl+3);
1855 100d5668 2005-01-04 devnull drawsetlabel(wdir);
1857 cfabc3ed 2003-11-23 devnull runemove(sl, el, er-el);
1858 cfabc3ed 2003-11-23 devnull n -= (el-sl);
1859 cfabc3ed 2003-11-23 devnull return n;
1863 f476c92f 2004-04-18 devnull rawon(void)
1865 f476c92f 2004-04-18 devnull return !cooked && !isecho(sfd);
1869 42c3794c 2004-10-17 devnull * Clumsy hack to make " and "" work.
1870 42c3794c 2004-10-17 devnull * Then again, what's not a clumsy hack here in Unix land?
1873 42c3794c 2004-10-17 devnull char adir[100];
1874 42c3794c 2004-10-17 devnull int afd;
1877 c3e73c01 2004-10-17 devnull removethesocket(void)
1879 c3e73c01 2004-10-17 devnull if(thesocket[0])
1880 c3e73c01 2004-10-17 devnull if(remove(thesocket) < 0)
1881 c3e73c01 2004-10-17 devnull fprint(2, "remove %s: %r\n", thesocket);
1885 42c3794c 2004-10-17 devnull servedevtext(void)
1887 42c3794c 2004-10-17 devnull char buf[100];
1889 42c3794c 2004-10-17 devnull snprint(buf, sizeof buf, "unix!/tmp/9term-text.%d", getpid());
1891 42c3794c 2004-10-17 devnull if((afd = announce(buf, adir)) < 0){
1892 42c3794c 2004-10-17 devnull putenv("text9term", "");
1893 42c3794c 2004-10-17 devnull return;
1896 42c3794c 2004-10-17 devnull putenv("text9term", buf);
1897 60535a5f 2004-12-26 devnull proccreate(listenproc, nil, STACK);
1898 c3e73c01 2004-10-17 devnull strcpy(thesocket, buf+5);
1899 c3e73c01 2004-10-17 devnull atexit(removethesocket);
1903 60535a5f 2004-12-26 devnull listenproc(void *arg)
1905 42c3794c 2004-10-17 devnull int fd;
1906 42c3794c 2004-10-17 devnull char dir[100];
1908 42c3794c 2004-10-17 devnull USED(arg);
1909 42c3794c 2004-10-17 devnull for(;;){
1910 60535a5f 2004-12-26 devnull fd = listen(adir, dir);
1911 42c3794c 2004-10-17 devnull if(fd < 0){
1912 42c3794c 2004-10-17 devnull close(afd);
1913 42c3794c 2004-10-17 devnull return;
1915 60535a5f 2004-12-26 devnull proccreate(textthread, (void*)fd, STACK);
1920 42c3794c 2004-10-17 devnull textthread(void *arg)
1922 42c3794c 2004-10-17 devnull int fd, i, x, n, end;
1923 42c3794c 2004-10-17 devnull Rune r;
1924 42c3794c 2004-10-17 devnull char buf[4096], *p, *ep;
1926 42c3794c 2004-10-17 devnull fd = (int)arg;
1927 42c3794c 2004-10-17 devnull p = buf;
1928 42c3794c 2004-10-17 devnull ep = buf+sizeof buf;
1929 42c3794c 2004-10-17 devnull end = t.org+t.nr; /* avoid possible output loop */
1930 42c3794c 2004-10-17 devnull for(i=t.org;; i++){
1931 42c3794c 2004-10-17 devnull if(i >= end || ep-p < UTFmax){
1932 42c3794c 2004-10-17 devnull for(x=0; x<p-buf; x+=n)
1933 42c3794c 2004-10-17 devnull if((n = write(fd, buf+x, (p-x)-buf)) <= 0)
1934 42c3794c 2004-10-17 devnull goto break2;
1936 42c3794c 2004-10-17 devnull if(i >= end)
1938 42c3794c 2004-10-17 devnull p = buf;
1940 42c3794c 2004-10-17 devnull if(i < t.org)
1941 42c3794c 2004-10-17 devnull i = t.org;
1942 42c3794c 2004-10-17 devnull r = t.r[i-t.org];
1943 42c3794c 2004-10-17 devnull if(r < Runeself)
1944 42c3794c 2004-10-17 devnull *p++ = r;
1946 42c3794c 2004-10-17 devnull p += runetochar(p, &r);
1948 42c3794c 2004-10-17 devnull break2:
1949 42c3794c 2004-10-17 devnull close(fd);
