1 8ad51794 2004-03-25 devnull #include <u.h>
2 8ad51794 2004-03-25 devnull #include <libc.h>
3 8ad51794 2004-03-25 devnull #include <ctype.h>
4 8ad51794 2004-03-25 devnull #include <draw.h>
5 8ad51794 2004-03-25 devnull #include <thread.h>
6 8ad51794 2004-03-25 devnull #include <mouse.h>
7 8ad51794 2004-03-25 devnull #include <cursor.h>
8 8ad51794 2004-03-25 devnull #include <keyboard.h>
9 8ad51794 2004-03-25 devnull #include <frame.h>
10 8ad51794 2004-03-25 devnull #include <plumb.h>
11 8ad51794 2004-03-25 devnull #include <complete.h>
12 8ad51794 2004-03-25 devnull #include "term.h"
14 b4a659b6 2004-04-19 devnull int noecho = 0;
16 ba9ffa53 2004-03-21 devnull typedef struct Text Text;
17 ba9ffa53 2004-03-21 devnull typedef struct Readbuf Readbuf;
21 ba9ffa53 2004-03-21 devnull HiWater = 640000, /* max size of history */
22 8ad51794 2004-03-25 devnull LoWater = 400000, /* min size of history after max'ed */
23 8ad51794 2004-03-25 devnull MinWater = 20000,
26 ba9ffa53 2004-03-21 devnull /* various geometric paramters */
29 ba9ffa53 2004-03-21 devnull Scrollwid = 12, /* width of scroll bar */
30 ba9ffa53 2004-03-21 devnull Scrollgap = 4, /* gap right of scroll bar */
31 ba9ffa53 2004-03-21 devnull Maxtab = 4,
45 ba9ffa53 2004-03-21 devnull #define ESC 0x1B
46 8ad51794 2004-03-25 devnull #define CUT 0x18 /* ctrl-x */
47 8ad51794 2004-03-25 devnull #define COPY 0x03 /* crtl-c */
48 8ad51794 2004-03-25 devnull #define PASTE 0x16 /* crtl-v */
50 ba9ffa53 2004-03-21 devnull #define READBUFSIZE 8192
51 8ad51794 2004-03-25 devnull #define TRUE 1
52 8ad51794 2004-03-25 devnull #define FALSE 0
55 ba9ffa53 2004-03-21 devnull struct Text
57 ba9ffa53 2004-03-21 devnull Frame *f; /* frame ofr terminal */
59 ba9ffa53 2004-03-21 devnull uint nr; /* num of runes in term */
60 8ad51794 2004-03-25 devnull uint maxr; /* max num of runes in r */
61 ba9ffa53 2004-03-21 devnull Rune *r; /* runes for term */
62 ba9ffa53 2004-03-21 devnull uint nraw; /* num of runes in raw buffer */
63 ba9ffa53 2004-03-21 devnull Rune *raw; /* raw buffer */
64 ba9ffa53 2004-03-21 devnull uint org; /* first rune on the screen */
65 ba9ffa53 2004-03-21 devnull uint q0; /* start of selection region */
66 ba9ffa53 2004-03-21 devnull uint q1; /* end of selection region */
67 ba9ffa53 2004-03-21 devnull uint qh; /* unix point */
68 ba9ffa53 2004-03-21 devnull int npart; /* partial runes read from console */
69 ba9ffa53 2004-03-21 devnull char part[UTFmax];
70 ba9ffa53 2004-03-21 devnull int nsnarf; /* snarf buffer */
71 ba9ffa53 2004-03-21 devnull Rune *snarf;
74 ba9ffa53 2004-03-21 devnull struct Readbuf
76 ba9ffa53 2004-03-21 devnull short n; /* # bytes in buf */
77 ba9ffa53 2004-03-21 devnull uchar data[READBUFSIZE]; /* data bytes */
80 ba9ffa53 2004-03-21 devnull void mouse(void);
81 ba9ffa53 2004-03-21 devnull void domenu2(int);
82 ba9ffa53 2004-03-21 devnull void loop(void);
83 ba9ffa53 2004-03-21 devnull void geom(void);
84 ba9ffa53 2004-03-21 devnull void fill(void);
85 ba9ffa53 2004-03-21 devnull void tcheck(void);
86 ba9ffa53 2004-03-21 devnull void updatesel(void);
87 ba9ffa53 2004-03-21 devnull void doreshape(void);
88 ba9ffa53 2004-03-21 devnull void runewrite(Rune*, int);
89 ba9ffa53 2004-03-21 devnull void consread(void);
90 ba9ffa53 2004-03-21 devnull void conswrite(char*, int);
91 0e25d609 2004-04-20 devnull int bswidth(Rune c, uint start, int eatnl);
92 ba9ffa53 2004-03-21 devnull void cut(void);
93 ba9ffa53 2004-03-21 devnull void paste(Rune*, int, int);
94 ba9ffa53 2004-03-21 devnull void snarfupdate(void);
95 ba9ffa53 2004-03-21 devnull void snarf(void);
96 ba9ffa53 2004-03-21 devnull void show(uint);
97 ba9ffa53 2004-03-21 devnull void key(Rune);
98 ba9ffa53 2004-03-21 devnull void setorigin(uint org, int exact);
99 ba9ffa53 2004-03-21 devnull uint line2q(uint);
100 ba9ffa53 2004-03-21 devnull uint backnl(uint, uint);
101 ba9ffa53 2004-03-21 devnull int cansee(uint);
102 ba9ffa53 2004-03-21 devnull uint backnl(uint, uint);
103 ba9ffa53 2004-03-21 devnull void addraw(Rune*, int);
104 ba9ffa53 2004-03-21 devnull void mselect(void);
105 ba9ffa53 2004-03-21 devnull void doubleclick(uint *q0, uint *q1);
106 ba9ffa53 2004-03-21 devnull int clickmatch(int cl, int cr, int dir, uint *q);
107 ba9ffa53 2004-03-21 devnull Rune *strrune(Rune *s, Rune c);
108 ba9ffa53 2004-03-21 devnull int consready(void);
109 ba9ffa53 2004-03-21 devnull Rectangle scrpos(Rectangle r, ulong p0, ulong p1, ulong tot);
110 ba9ffa53 2004-03-21 devnull void scrdraw(void);
111 ba9ffa53 2004-03-21 devnull void scroll(int);
112 ba9ffa53 2004-03-21 devnull void hostproc(void *arg);
113 ba9ffa53 2004-03-21 devnull void hoststart(void);
114 ba9ffa53 2004-03-21 devnull void plumbstart(void);
115 ba9ffa53 2004-03-21 devnull void plumb(uint, uint);
116 ba9ffa53 2004-03-21 devnull void plumbclick(uint*, uint*);
117 8ad51794 2004-03-25 devnull uint insert(Rune*, int, uint, int);
119 ba9ffa53 2004-03-21 devnull #define runemalloc(n) malloc((n)*sizeof(Rune))
120 ba9ffa53 2004-03-21 devnull #define runerealloc(a, n) realloc(a, (n)*sizeof(Rune))
121 ba9ffa53 2004-03-21 devnull #define runemove(a, b, n) memmove(a, b, (n)*sizeof(Rune))
122 cfabc3ed 2003-11-23 devnull Rectangle scrollr; /* scroll bar rectangle */
123 cfabc3ed 2003-11-23 devnull Rectangle lastsr; /* used for scroll bar */
124 cfabc3ed 2003-11-23 devnull int holdon; /* hold mode */
125 f476c92f 2004-04-18 devnull int rawon(void); /* raw mode */
126 f476c92f 2004-04-18 devnull int cooked; /* force cooked */
127 cfabc3ed 2003-11-23 devnull int scrolling; /* window scrolls */
128 cfabc3ed 2003-11-23 devnull int clickmsec; /* time of last click */
129 cfabc3ed 2003-11-23 devnull uint clickq0; /* point of last click */
130 8ad51794 2004-03-25 devnull int rcfd;
131 4dcd9af2 2004-04-15 devnull int sfd; /* slave fd, to get/set terminal mode */
132 cfabc3ed 2003-11-23 devnull int rcpid;
133 cfabc3ed 2003-11-23 devnull int maxtab;
134 ba9ffa53 2004-03-21 devnull int use9wm;
135 cfabc3ed 2003-11-23 devnull Mousectl* mc;
136 cfabc3ed 2003-11-23 devnull Keyboardctl* kc;
137 cfabc3ed 2003-11-23 devnull Channel* hostc;
138 cfabc3ed 2003-11-23 devnull Readbuf rcbuf[2];
139 cfabc3ed 2003-11-23 devnull int mainpid;
140 ba9ffa53 2004-03-21 devnull int acmecolors;
141 cfabc3ed 2003-11-23 devnull int plumbfd;
142 d3acba95 2003-12-04 devnull int button2exec;
143 cfabc3ed 2003-11-23 devnull int label(Rune*, int);
144 cfabc3ed 2003-11-23 devnull char wdir[1024];
145 21a17ff3 2003-11-25 devnull char childwdir[1024];
146 cfabc3ed 2003-11-23 devnull void hangupnote(void*, char*);
148 cfabc3ed 2003-11-23 devnull char *menu2str[] = {
150 cfabc3ed 2003-11-23 devnull "paste",
151 cfabc3ed 2003-11-23 devnull "snarf",
153 cfabc3ed 2003-11-23 devnull "plumb",
154 ba9ffa53 2004-03-21 devnull "scroll",
155 f476c92f 2004-04-18 devnull "cooked",
159 cfabc3ed 2003-11-23 devnull Image* cols[NCOL];
160 cfabc3ed 2003-11-23 devnull Image* hcols[NCOL];
161 4f30f3b4 2004-03-30 devnull Image* palegrey;
162 4f30f3b4 2004-03-30 devnull Image* paleblue;
163 4f30f3b4 2004-03-30 devnull Image* blue;
164 cfabc3ed 2003-11-23 devnull Image *plumbcolor;
165 d3acba95 2003-12-04 devnull Image *execcolor;
167 cfabc3ed 2003-11-23 devnull Menu menu2 =
169 cfabc3ed 2003-11-23 devnull menu2str
174 cfabc3ed 2003-11-23 devnull Cursor whitearrow = {
176 cfabc3ed 2003-11-23 devnull {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFE, 0xFF, 0xFC,
177 cfabc3ed 2003-11-23 devnull 0xFF, 0xF0, 0xFF, 0xF0, 0xFF, 0xF8, 0xFF, 0xFC,
178 cfabc3ed 2003-11-23 devnull 0xFF, 0xFE, 0xFF, 0xFF, 0xFF, 0xFE, 0xFF, 0xFC,
179 cfabc3ed 2003-11-23 devnull 0xF3, 0xF8, 0xF1, 0xF0, 0xE0, 0xE0, 0xC0, 0x40, },
180 cfabc3ed 2003-11-23 devnull {0xFF, 0xFF, 0xFF, 0xFF, 0xC0, 0x06, 0xC0, 0x1C,
181 cfabc3ed 2003-11-23 devnull 0xC0, 0x30, 0xC0, 0x30, 0xC0, 0x38, 0xC0, 0x1C,
182 cfabc3ed 2003-11-23 devnull 0xC0, 0x0E, 0xC0, 0x07, 0xCE, 0x0E, 0xDF, 0x1C,
183 cfabc3ed 2003-11-23 devnull 0xD3, 0xB8, 0xF1, 0xF0, 0xE0, 0xE0, 0xC0, 0x40, }
187 d3acba95 2003-12-04 devnull usage(void)
189 3fd755b7 2003-12-04 devnull fprint(2, "usage: 9term [-ars] [cmd ...]\n");
190 d3acba95 2003-12-04 devnull threadexitsall("usage");
194 cfabc3ed 2003-11-23 devnull threadmain(int argc, char *argv[])
196 aa808685 2004-04-19 devnull char *p, *font;
198 cfabc3ed 2003-11-23 devnull rfork(RFNOTEG);
199 aa808685 2004-04-19 devnull font = nil;
200 4f30f3b4 2004-03-30 devnull _wantfocuschanges = 1;
201 cfabc3ed 2003-11-23 devnull mainpid = getpid();
202 cfabc3ed 2003-11-23 devnull ARGBEGIN{
203 d3acba95 2003-12-04 devnull default:
204 d3acba95 2003-12-04 devnull usage();
205 d3acba95 2003-12-04 devnull case 'a': /* acme mode */
206 d3acba95 2003-12-04 devnull button2exec++;
208 aa808685 2004-04-19 devnull case 'f':
209 aa808685 2004-04-19 devnull font = EARGF(usage());
211 cfabc3ed 2003-11-23 devnull case 's':
212 cfabc3ed 2003-11-23 devnull scrolling++;
214 ba9ffa53 2004-03-21 devnull case 'w': /* started from "rio" window manager */
215 ba9ffa53 2004-03-21 devnull use9wm = 1;
219 aa808685 2004-04-19 devnull if(font)
220 aa808685 2004-04-19 devnull putenv("font", font);
222 cfabc3ed 2003-11-23 devnull p = getenv("tabstop");
223 cfabc3ed 2003-11-23 devnull if(p == 0)
224 cfabc3ed 2003-11-23 devnull p = getenv("TABSTOP");
225 cfabc3ed 2003-11-23 devnull if(p != 0 && maxtab <= 0)
226 cfabc3ed 2003-11-23 devnull maxtab = strtoul(p, 0, 0);
227 cfabc3ed 2003-11-23 devnull if(maxtab <= 0)
228 cfabc3ed 2003-11-23 devnull maxtab = 8;
230 be22ae2d 2004-03-26 devnull initdraw(0, nil, "9term");
231 cfabc3ed 2003-11-23 devnull notify(hangupnote);
233 cfabc3ed 2003-11-23 devnull mc = initmouse(nil, screen);
234 cfabc3ed 2003-11-23 devnull kc = initkeyboard(nil);
235 4dcd9af2 2004-04-15 devnull rcpid = rcstart(argc, argv, &rcfd, &sfd);
236 cfabc3ed 2003-11-23 devnull hoststart();
237 cfabc3ed 2003-11-23 devnull plumbstart();
239 cfabc3ed 2003-11-23 devnull t.f = mallocz(sizeof(Frame), 1);
241 ba9ffa53 2004-03-21 devnull if(acmecolors){
242 ba9ffa53 2004-03-21 devnull cols[BACK] = allocimagemix(display, DPaleyellow, DWhite);
243 ba9ffa53 2004-03-21 devnull cols[HIGH] = allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, DDarkyellow);
244 ba9ffa53 2004-03-21 devnull cols[BORD] = allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, DYellowgreen);
246 ba9ffa53 2004-03-21 devnull cols[BACK] = allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, DWhite);
247 ba9ffa53 2004-03-21 devnull cols[HIGH] = allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, 0xCCCCCCFF);
248 ba9ffa53 2004-03-21 devnull cols[BORD] = allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, 0x999999FF);
250 cfabc3ed 2003-11-23 devnull cols[TEXT] = display->black;
251 cfabc3ed 2003-11-23 devnull cols[HTEXT] = display->black;
252 4f30f3b4 2004-03-30 devnull palegrey = allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, 0x666666FF);
254 cfabc3ed 2003-11-23 devnull hcols[BACK] = cols[BACK];
255 cfabc3ed 2003-11-23 devnull hcols[HIGH] = cols[HIGH];
256 4f30f3b4 2004-03-30 devnull blue = allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, DMedblue);
257 4f30f3b4 2004-03-30 devnull paleblue = allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, DGreyblue);
259 4f30f3b4 2004-03-30 devnull hcols[BORD] = blue;
260 cfabc3ed 2003-11-23 devnull hcols[TEXT] = hcols[BORD];
261 cfabc3ed 2003-11-23 devnull hcols[HTEXT] = hcols[TEXT];
263 cfabc3ed 2003-11-23 devnull plumbcolor = allocimage(display, Rect(0,0,1,1), screen->chan, 1, 0x006600FF);
264 d3acba95 2003-12-04 devnull execcolor = allocimage(display, Rect(0,0,1,1), screen->chan, 1, 0xAA0000FF);
266 4f30f3b4 2004-03-30 devnull if(!blue || !palegrey || !paleblue || !plumbcolor || !execcolor)
267 4f30f3b4 2004-03-30 devnull sysfatal("alloc colors: %r");
268 cfabc3ed 2003-11-23 devnull draw(screen, screen->r, cols[BACK], nil, ZP);
274 cfabc3ed 2003-11-23 devnull hangupnote(void *a, char *msg)
276 cfabc3ed 2003-11-23 devnull if(getpid() != mainpid)
277 cfabc3ed 2003-11-23 devnull noted(NDFLT);
278 cfabc3ed 2003-11-23 devnull if(strcmp(msg, "hangup") == 0 && rcpid != 0){
279 669250d1 2003-12-03 devnull postnote(PNGROUP, rcpid, "hangup");
280 cfabc3ed 2003-11-23 devnull noted(NDFLT);
282 4dcd9af2 2004-04-15 devnull if(strstr(msg, "child")){
283 4dcd9af2 2004-04-15 devnull /* bug: do better */
284 4dcd9af2 2004-04-15 devnull exits(0);
286 cfabc3ed 2003-11-23 devnull noted(NDFLT);
290 cfabc3ed 2003-11-23 devnull hostproc(void *arg)
292 cfabc3ed 2003-11-23 devnull Channel *c;
293 cfabc3ed 2003-11-23 devnull int i, n, which;
295 cfabc3ed 2003-11-23 devnull c = arg;
298 cfabc3ed 2003-11-23 devnull for(;;){
299 8ad51794 2004-03-25 devnull /* Let typing have a go -- maybe there's a rubout waiting. */
300 4dcd9af2 2004-04-15 devnull yield();
302 cfabc3ed 2003-11-23 devnull i = 1-i; /* toggle */
303 8ad51794 2004-03-25 devnull n = threadread(rcfd, rcbuf[i].data, sizeof rcbuf[i].data);
304 cfabc3ed 2003-11-23 devnull if(n <= 0){
305 cfabc3ed 2003-11-23 devnull if(n < 0)
306 cfabc3ed 2003-11-23 devnull fprint(2, "9term: host read error: %r\n");
307 cfabc3ed 2003-11-23 devnull threadexitsall("host");
309 cfabc3ed 2003-11-23 devnull rcbuf[i].n = n;
310 cfabc3ed 2003-11-23 devnull which = i;
311 cfabc3ed 2003-11-23 devnull send(c, &which);
316 cfabc3ed 2003-11-23 devnull hoststart(void)
318 cfabc3ed 2003-11-23 devnull hostc = chancreate(sizeof(int), 0);
319 af78a4cd 2004-03-02 devnull threadcreate(hostproc, hostc, 32*1024);
323 cfabc3ed 2003-11-23 devnull loop(void)
327 be22ae2d 2004-03-26 devnull Alt a[5];
329 be22ae2d 2004-03-26 devnull a[0].c = mc->c;
330 be22ae2d 2004-03-26 devnull a[0].v = &mc->m;
331 be22ae2d 2004-03-26 devnull a[0].op = CHANRCV;
333 be22ae2d 2004-03-26 devnull a[1].c = kc->c;
334 be22ae2d 2004-03-26 devnull a[1].v = &r;
335 be22ae2d 2004-03-26 devnull a[1].op = CHANRCV;
337 be22ae2d 2004-03-26 devnull a[2].c = hostc;
338 be22ae2d 2004-03-26 devnull a[2].v = &i;
339 be22ae2d 2004-03-26 devnull a[2].op = CHANRCV;
341 be22ae2d 2004-03-26 devnull a[3].c = mc->resizec;
342 be22ae2d 2004-03-26 devnull a[3].v = nil;
343 be22ae2d 2004-03-26 devnull a[3].op = CHANRCV;
345 be22ae2d 2004-03-26 devnull a[4].c = nil;
346 be22ae2d 2004-03-26 devnull a[4].v = nil;
347 be22ae2d 2004-03-26 devnull a[4].op = CHANEND;
349 cfabc3ed 2003-11-23 devnull for(;;) {
350 cfabc3ed 2003-11-23 devnull tcheck();
352 cfabc3ed 2003-11-23 devnull scrdraw();
353 cfabc3ed 2003-11-23 devnull flushimage(display, 1);
354 cfabc3ed 2003-11-23 devnull a[2].op = CHANRCV;
355 cfabc3ed 2003-11-23 devnull if(!scrolling && t.qh > t.org+t.f->nchars)
356 cfabc3ed 2003-11-23 devnull a[2].op = CHANNOP;;
357 cfabc3ed 2003-11-23 devnull switch(alt(a)) {
358 cfabc3ed 2003-11-23 devnull default:
359 8ad51794 2004-03-25 devnull sysfatal("impossible");
361 cfabc3ed 2003-11-23 devnull t.m = mc->m;
362 cfabc3ed 2003-11-23 devnull mouse();
368 be22ae2d 2004-03-26 devnull conswrite((char*)rcbuf[i].data, rcbuf[i].n);
371 cfabc3ed 2003-11-23 devnull doreshape();
378 cfabc3ed 2003-11-23 devnull doreshape(void)
380 cfabc3ed 2003-11-23 devnull if(getwindow(display, Refnone) < 0)
381 8ad51794 2004-03-25 devnull sysfatal("can't reattach to window");
382 cfabc3ed 2003-11-23 devnull draw(screen, screen->r, cols[BACK], nil, ZP);
384 cfabc3ed 2003-11-23 devnull scrdraw();
388 cfabc3ed 2003-11-23 devnull geom(void)
390 669250d1 2003-12-03 devnull Point p;
391 cfabc3ed 2003-11-23 devnull Rectangle r;
393 4f30f3b4 2004-03-30 devnull if(!acmecolors){
394 4f30f3b4 2004-03-30 devnull if(_windowhasfocus){
395 4f30f3b4 2004-03-30 devnull cols[TEXT] = cols[HTEXT] = display->black;
396 4f30f3b4 2004-03-30 devnull hcols[TEXT] = hcols[HTEXT] = blue;
398 4f30f3b4 2004-03-30 devnull cols[TEXT] = cols[HTEXT] = palegrey;
399 4f30f3b4 2004-03-30 devnull hcols[TEXT] = hcols[HTEXT] = paleblue;
403 cfabc3ed 2003-11-23 devnull r = screen->r;
404 8ad51794 2004-03-25 devnull r.min.y++;
405 8ad51794 2004-03-25 devnull r.max.y--;
407 8ad51794 2004-03-25 devnull scrollr = r;
408 cfabc3ed 2003-11-23 devnull scrollr.max.x = r.min.x+Scrollwid;
409 cfabc3ed 2003-11-23 devnull lastsr = Rect(0,0,0,0);
411 cfabc3ed 2003-11-23 devnull r.min.x += Scrollwid+Scrollgap;
413 cfabc3ed 2003-11-23 devnull frclear(t.f, 0);
414 cfabc3ed 2003-11-23 devnull frinit(t.f, r, font, screen, holdon ? hcols : cols);
415 cfabc3ed 2003-11-23 devnull t.f->maxtab = maxtab*stringwidth(font, "0");
417 cfabc3ed 2003-11-23 devnull updatesel();
419 669250d1 2003-12-03 devnull p = stringsize(font, "0");
420 669250d1 2003-12-03 devnull if(p.x == 0 || p.y == 0)
423 8ad51794 2004-03-25 devnull updatewinsize(Dy(r)/p.y, Dx(r)/p.x, Dx(r), Dy(r));
427 cfabc3ed 2003-11-23 devnull drawhold(int holdon)
429 cfabc3ed 2003-11-23 devnull if(holdon)
430 cfabc3ed 2003-11-23 devnull setcursor(mc, &whitearrow);
432 cfabc3ed 2003-11-23 devnull setcursor(mc, nil);
434 cfabc3ed 2003-11-23 devnull draw(screen, screen->r, cols[BACK], nil, ZP);
436 cfabc3ed 2003-11-23 devnull scrdraw();
440 d3acba95 2003-12-04 devnull wordclick(uint *q0, uint *q1)
442 d3acba95 2003-12-04 devnull while(*q1<t.nr && !isspace(t.r[*q1]))
443 d3acba95 2003-12-04 devnull (*q1)++;
444 d3acba95 2003-12-04 devnull while(*q0>0 && !isspace(t.r[*q0-1]))
445 d3acba95 2003-12-04 devnull (*q0)--;
449 d3acba95 2003-12-04 devnull aselect(uint *q0, uint *q1, Image *color)
451 d3acba95 2003-12-04 devnull int cancel;
452 d3acba95 2003-12-04 devnull uint oldq0, oldq1, newq0, newq1;
454 d3acba95 2003-12-04 devnull /* save old selection */
455 d3acba95 2003-12-04 devnull oldq0 = t.q0;
456 d3acba95 2003-12-04 devnull oldq1 = t.q1;
458 d3acba95 2003-12-04 devnull /* sweep out area and record it */
459 d3acba95 2003-12-04 devnull t.f->cols[HIGH] = color;
460 d3acba95 2003-12-04 devnull t.f->cols[HTEXT] = display->white;
461 d3acba95 2003-12-04 devnull mselect();
462 d3acba95 2003-12-04 devnull newq0 = t.q0;
463 d3acba95 2003-12-04 devnull newq1 = t.q1;
465 d3acba95 2003-12-04 devnull cancel = 0;
466 d3acba95 2003-12-04 devnull if(t.m.buttons != 0){
467 d3acba95 2003-12-04 devnull while(t.m.buttons){
468 d3acba95 2003-12-04 devnull readmouse(mc);
469 d3acba95 2003-12-04 devnull t.m = mc->m;
471 d3acba95 2003-12-04 devnull cancel = 1;
474 d3acba95 2003-12-04 devnull /* restore old selection */
475 d3acba95 2003-12-04 devnull t.f->cols[HIGH] = cols[HIGH];
476 d3acba95 2003-12-04 devnull t.f->cols[HTEXT] = cols[HTEXT];
477 d3acba95 2003-12-04 devnull t.q0 = oldq0;
478 d3acba95 2003-12-04 devnull t.q1 = oldq1;
479 d3acba95 2003-12-04 devnull updatesel();
481 d3acba95 2003-12-04 devnull if(cancel)
482 d3acba95 2003-12-04 devnull return -1;
484 d3acba95 2003-12-04 devnull /* selected a region */
485 d3acba95 2003-12-04 devnull if(newq0 < newq1){
486 d3acba95 2003-12-04 devnull *q0 = newq0;
487 d3acba95 2003-12-04 devnull *q1 = newq1;
488 d3acba95 2003-12-04 devnull return 0;
491 d3acba95 2003-12-04 devnull /* clicked inside previous selection */
492 e97ceade 2003-12-06 devnull /* the "<=" in newq0 <= oldq1 allows us to click the right edge */
493 e97ceade 2003-12-06 devnull if(oldq0 <= newq0 && newq0 <= oldq1){
494 d3acba95 2003-12-04 devnull *q0 = oldq0;
495 d3acba95 2003-12-04 devnull *q1 = oldq1;
496 d3acba95 2003-12-04 devnull return 0;
499 d3acba95 2003-12-04 devnull /* just a click */
500 d3acba95 2003-12-04 devnull *q0 = newq0;
501 d3acba95 2003-12-04 devnull *q1 = newq1;
502 d3acba95 2003-12-04 devnull return 0;
505 d3acba95 2003-12-04 devnull static Rune Lnl[1] = { '\n' };
508 cfabc3ed 2003-11-23 devnull mouse(void)
510 d3acba95 2003-12-04 devnull int but;
511 d3acba95 2003-12-04 devnull uint q0, q1;
513 cfabc3ed 2003-11-23 devnull but = t.m.buttons;
515 cfabc3ed 2003-11-23 devnull if(but != 1 && but != 2 && but != 4)
518 cfabc3ed 2003-11-23 devnull if (ptinrect(t.m.xy, scrollr)) {
519 cfabc3ed 2003-11-23 devnull scroll(but);
520 cfabc3ed 2003-11-23 devnull if(t.qh<=t.org+t.f->nchars)
521 3fd755b7 2003-12-04 devnull consread();
525 cfabc3ed 2003-11-23 devnull switch(but) {
527 cfabc3ed 2003-11-23 devnull mselect();
530 d3acba95 2003-12-04 devnull if(button2exec){
531 d3acba95 2003-12-04 devnull if(aselect(&q0, &q1, execcolor) >= 0){
532 d3acba95 2003-12-04 devnull if(q0 == q1)
533 d3acba95 2003-12-04 devnull wordclick(&q0, &q1);
534 d3acba95 2003-12-04 devnull if(q0 == q1)
536 dff7e273 2003-12-04 devnull t.q0 = t.q1 = t.nr;
537 dff7e273 2003-12-04 devnull updatesel();
538 d3acba95 2003-12-04 devnull paste(t.r+q0, q1-q0, 1);
539 d3acba95 2003-12-04 devnull if(t.r[q1-1] != '\n')
540 d3acba95 2003-12-04 devnull paste(Lnl, 1, 1);
544 cfabc3ed 2003-11-23 devnull domenu2(2);
547 d3acba95 2003-12-04 devnull if(aselect(&q0, &q1, plumbcolor) >= 0)
548 d3acba95 2003-12-04 devnull plumb(q0, q1);
554 cfabc3ed 2003-11-23 devnull mselect(void)
556 cfabc3ed 2003-11-23 devnull int b, x, y;
557 cfabc3ed 2003-11-23 devnull uint q0;
559 cfabc3ed 2003-11-23 devnull b = t.m.buttons;
560 cfabc3ed 2003-11-23 devnull q0 = frcharofpt(t.f, t.m.xy) + t.org;
561 dff7e273 2003-12-04 devnull if(t.m.msec-clickmsec<500 && clickq0==q0 && t.q0==t.q1 && b==1){
562 cfabc3ed 2003-11-23 devnull doubleclick(&t.q0, &t.q1);
563 cfabc3ed 2003-11-23 devnull updatesel();
564 cfabc3ed 2003-11-23 devnull /* t.t.i->flush(); */
565 cfabc3ed 2003-11-23 devnull x = t.m.xy.x;
566 cfabc3ed 2003-11-23 devnull y = t.m.xy.y;
567 cfabc3ed 2003-11-23 devnull /* stay here until something interesting happens */
569 cfabc3ed 2003-11-23 devnull readmouse(mc);
570 cfabc3ed 2003-11-23 devnull t.m = mc->m;
571 cfabc3ed 2003-11-23 devnull } while(t.m.buttons==b && abs(t.m.xy.x-x)<4 && abs(t.m.xy.y-y)<4);
572 cfabc3ed 2003-11-23 devnull t.m.xy.x = x; /* in case we're calling frselect */
573 cfabc3ed 2003-11-23 devnull t.m.xy.y = y;
574 cfabc3ed 2003-11-23 devnull clickmsec = 0;
577 cfabc3ed 2003-11-23 devnull if(t.m.buttons == b) {
578 cfabc3ed 2003-11-23 devnull frselect(t.f, mc);
579 cfabc3ed 2003-11-23 devnull t.m = mc->m;
580 cfabc3ed 2003-11-23 devnull t.q0 = t.f->p0 + t.org;
581 cfabc3ed 2003-11-23 devnull t.q1 = t.f->p1 + t.org;
582 cfabc3ed 2003-11-23 devnull clickmsec = t.m.msec;
583 cfabc3ed 2003-11-23 devnull clickq0 = t.q0;
585 dff7e273 2003-12-04 devnull if((t.m.buttons != b) &&(b&1)){
586 dff7e273 2003-12-04 devnull enum{Cancut = 1, Canpaste = 2} state = Cancut | Canpaste;
587 cfabc3ed 2003-11-23 devnull while(t.m.buttons){
588 dff7e273 2003-12-04 devnull if(t.m.buttons&2){
589 dff7e273 2003-12-04 devnull if(state&Cancut){
590 cfabc3ed 2003-11-23 devnull snarf();
592 cfabc3ed 2003-11-23 devnull state = Canpaste;
594 dff7e273 2003-12-04 devnull }else if(t.m.buttons&4){
595 dff7e273 2003-12-04 devnull if(state&Canpaste){
596 cfabc3ed 2003-11-23 devnull snarfupdate();
597 dff7e273 2003-12-04 devnull if(t.nsnarf){
598 cfabc3ed 2003-11-23 devnull paste(t.snarf, t.nsnarf, 0);
600 23084133 2004-03-26 devnull state = Cancut;
603 cfabc3ed 2003-11-23 devnull readmouse(mc);
604 cfabc3ed 2003-11-23 devnull t.m = mc->m;
609 cfabc3ed 2003-11-23 devnull Rune newline[] = { '\n', 0 };
612 cfabc3ed 2003-11-23 devnull domenu2(int but)
614 cfabc3ed 2003-11-23 devnull if(scrolling)
615 f476c92f 2004-04-18 devnull menu2str[Scroll] = "☑ scroll";
617 f476c92f 2004-04-18 devnull menu2str[Scroll] = "☐ scroll";
618 f476c92f 2004-04-18 devnull if(cooked)
619 aa808685 2004-04-19 devnull menu2str[Cooked] = "☑ mustecho";
621 aa808685 2004-04-19 devnull menu2str[Cooked] = "☐ mustecho";
623 cfabc3ed 2003-11-23 devnull switch(menuhit(but, mc, &menu2, nil)){
624 cfabc3ed 2003-11-23 devnull case -1:
626 cfabc3ed 2003-11-23 devnull case Cut:
627 cfabc3ed 2003-11-23 devnull snarf();
629 cfabc3ed 2003-11-23 devnull if(scrolling)
630 cfabc3ed 2003-11-23 devnull show(t.q0);
632 cfabc3ed 2003-11-23 devnull case Paste:
633 cfabc3ed 2003-11-23 devnull snarfupdate();
634 cfabc3ed 2003-11-23 devnull paste(t.snarf, t.nsnarf, 0);
635 cfabc3ed 2003-11-23 devnull if(scrolling)
636 cfabc3ed 2003-11-23 devnull show(t.q0);
638 cfabc3ed 2003-11-23 devnull case Snarf:
639 cfabc3ed 2003-11-23 devnull snarf();
640 cfabc3ed 2003-11-23 devnull if(scrolling)
641 cfabc3ed 2003-11-23 devnull show(t.q0);
643 cfabc3ed 2003-11-23 devnull case Send:
644 8ad51794 2004-03-25 devnull if(t.q0 != t.q1)
645 8ad51794 2004-03-25 devnull snarf();
647 8ad51794 2004-03-25 devnull snarfupdate();
648 cfabc3ed 2003-11-23 devnull t.q0 = t.q1 = t.nr;
649 cfabc3ed 2003-11-23 devnull updatesel();
650 cfabc3ed 2003-11-23 devnull paste(t.snarf, t.nsnarf, 1);
651 cfabc3ed 2003-11-23 devnull if(t.nsnarf == 0 || t.snarf[t.nsnarf-1] != '\n')
652 cfabc3ed 2003-11-23 devnull paste(newline, 1, 1);
653 cfabc3ed 2003-11-23 devnull show(t.nr);
654 cfabc3ed 2003-11-23 devnull consread();
656 cfabc3ed 2003-11-23 devnull case Scroll:
657 cfabc3ed 2003-11-23 devnull scrolling = !scrolling;
658 cfabc3ed 2003-11-23 devnull if (scrolling) {
659 cfabc3ed 2003-11-23 devnull show(t.nr);
660 cfabc3ed 2003-11-23 devnull consread();
663 cfabc3ed 2003-11-23 devnull case Plumb:
664 cfabc3ed 2003-11-23 devnull plumb(t.q0, t.q1);
666 f476c92f 2004-04-18 devnull case Cooked:
667 f476c92f 2004-04-18 devnull cooked = !cooked;
669 cfabc3ed 2003-11-23 devnull default:
670 8ad51794 2004-03-25 devnull sysfatal("bad menu item");
675 8ad51794 2004-03-25 devnull windfilewidth(uint q0, int oneelement)
681 8ad51794 2004-03-25 devnull while(q > 0){
682 8ad51794 2004-03-25 devnull r = t.r[q-1];
683 8ad51794 2004-03-25 devnull if(r<=' ')
685 8ad51794 2004-03-25 devnull if(oneelement && r=='/')
689 8ad51794 2004-03-25 devnull return q0-q;
693 8ad51794 2004-03-25 devnull showcandidates(Completion *c)
697 8ad51794 2004-03-25 devnull Rune *rp;
698 8ad51794 2004-03-25 devnull uint nr, qline, q0;
699 8ad51794 2004-03-25 devnull char *s;
701 8ad51794 2004-03-25 devnull runefmtstrinit(&f);
702 8ad51794 2004-03-25 devnull if (c->nmatch == 0)
703 8ad51794 2004-03-25 devnull s = "[no matches in ";
705 8ad51794 2004-03-25 devnull s = "[";
706 8ad51794 2004-03-25 devnull if(c->nfile > 32)
707 8ad51794 2004-03-25 devnull fmtprint(&f, "%s%d files]\n", s, c->nfile);
709 8ad51794 2004-03-25 devnull fmtprint(&f, "%s", s);
710 8ad51794 2004-03-25 devnull for(i=0; i<c->nfile; i++){
711 8ad51794 2004-03-25 devnull if(i > 0)
712 8ad51794 2004-03-25 devnull fmtprint(&f, " ");
713 8ad51794 2004-03-25 devnull fmtprint(&f, "%s", c->filename[i]);
715 8ad51794 2004-03-25 devnull fmtprint(&f, "]\n");
717 8ad51794 2004-03-25 devnull /* place text at beginning of line before host point */
718 8ad51794 2004-03-25 devnull qline = t.qh;
719 8ad51794 2004-03-25 devnull while(qline>0 && t.r[qline-1] != '\n')
720 8ad51794 2004-03-25 devnull qline--;
722 8ad51794 2004-03-25 devnull rp = runefmtstrflush(&f);
723 8ad51794 2004-03-25 devnull nr = runestrlen(rp);
725 8ad51794 2004-03-25 devnull q0 = t.q0;
726 8ad51794 2004-03-25 devnull q0 += insert(rp, nr, qline, 0) - qline;
727 8ad51794 2004-03-25 devnull free(rp);
728 8ad51794 2004-03-25 devnull t.q0 = q0+nr;
729 8ad51794 2004-03-25 devnull t.q1 = q0+nr;
730 8ad51794 2004-03-25 devnull updatesel();
734 8ad51794 2004-03-25 devnull namecomplete(void)
736 8ad51794 2004-03-25 devnull int nstr, npath;
737 8ad51794 2004-03-25 devnull Rune *rp, *path, *str;
738 8ad51794 2004-03-25 devnull Completion *c;
739 8ad51794 2004-03-25 devnull char *s, *dir, *root;
741 8ad51794 2004-03-25 devnull /* control-f: filename completion; works back to white space or / */
742 8ad51794 2004-03-25 devnull if(t.q0<t.nr && t.r[t.q0]>' ') /* must be at end of word */
743 8ad51794 2004-03-25 devnull return nil;
744 8ad51794 2004-03-25 devnull nstr = windfilewidth(t.q0, TRUE);
745 8ad51794 2004-03-25 devnull str = runemalloc(nstr);
746 8ad51794 2004-03-25 devnull runemove(str, t.r+(t.q0-nstr), nstr);
747 8ad51794 2004-03-25 devnull npath = windfilewidth(t.q0-nstr, FALSE);
748 8ad51794 2004-03-25 devnull path = runemalloc(npath);
749 8ad51794 2004-03-25 devnull runemove(path, t.r+(t.q0-nstr-npath), npath);
750 8ad51794 2004-03-25 devnull rp = nil;
752 8ad51794 2004-03-25 devnull /* is path rooted? if not, we need to make it relative to window path */
753 8ad51794 2004-03-25 devnull if(npath>0 && path[0]=='/'){
754 8ad51794 2004-03-25 devnull dir = malloc(UTFmax*npath+1);
755 8ad51794 2004-03-25 devnull sprint(dir, "%.*S", npath, path);
757 8ad51794 2004-03-25 devnull if(strcmp(wdir, "") == 0)
758 8ad51794 2004-03-25 devnull root = ".";
760 8ad51794 2004-03-25 devnull root = wdir;
761 8ad51794 2004-03-25 devnull dir = malloc(strlen(root)+1+UTFmax*npath+1);
762 8ad51794 2004-03-25 devnull sprint(dir, "%s/%.*S", root, npath, path);
764 8ad51794 2004-03-25 devnull dir = cleanname(dir);
766 8ad51794 2004-03-25 devnull s = smprint("%.*S", nstr, str);
767 8ad51794 2004-03-25 devnull c = complete(dir, s);
768 8ad51794 2004-03-25 devnull free(s);
769 8ad51794 2004-03-25 devnull if(c == nil)
770 8ad51794 2004-03-25 devnull goto Return;
772 8ad51794 2004-03-25 devnull if(!c->advance)
773 8ad51794 2004-03-25 devnull showcandidates(c);
775 8ad51794 2004-03-25 devnull if(c->advance)
776 8ad51794 2004-03-25 devnull rp = runesmprint("%s", c->string);
779 8ad51794 2004-03-25 devnull freecompletion(c);
780 8ad51794 2004-03-25 devnull free(dir);
781 8ad51794 2004-03-25 devnull free(path);
782 8ad51794 2004-03-25 devnull free(str);
783 8ad51794 2004-03-25 devnull return rp;
787 cfabc3ed 2003-11-23 devnull key(Rune r)
789 8ad51794 2004-03-25 devnull Rune *rp;
792 cfabc3ed 2003-11-23 devnull if(r == 0)
794 8ad51794 2004-03-25 devnull switch(r){
795 8ad51794 2004-03-25 devnull case Kpgup:
796 8ad51794 2004-03-25 devnull setorigin(backnl(t.org, t.f->maxlines*2/3), 1);
798 8ad51794 2004-03-25 devnull case Kpgdown:
799 cfabc3ed 2003-11-23 devnull setorigin(line2q(t.f->maxlines*2/3), 1);
800 cfabc3ed 2003-11-23 devnull if(t.qh<=t.org+t.f->nchars)
801 cfabc3ed 2003-11-23 devnull consread();
803 8ad51794 2004-03-25 devnull case Kup:
804 8ad51794 2004-03-25 devnull setorigin(backnl(t.org, t.f->maxlines/3), 1);
806 8ad51794 2004-03-25 devnull case Kdown:
807 8ad51794 2004-03-25 devnull setorigin(line2q(t.f->maxlines/3), 1);
808 8ad51794 2004-03-25 devnull if(t.qh<=t.org+t.f->nchars)
809 8ad51794 2004-03-25 devnull consread();
811 8ad51794 2004-03-25 devnull case Kleft:
812 8ad51794 2004-03-25 devnull if(t.q0 > 0){
814 8ad51794 2004-03-25 devnull t.q1 = t.q0;
815 8ad51794 2004-03-25 devnull updatesel();
816 8ad51794 2004-03-25 devnull show(t.q0);
819 8ad51794 2004-03-25 devnull case Kright:
820 8ad51794 2004-03-25 devnull if(t.q1 < t.nr){
822 8ad51794 2004-03-25 devnull t.q0 = t.q1;
823 8ad51794 2004-03-25 devnull updatesel();
824 8ad51794 2004-03-25 devnull show(t.q1);
827 8ad51794 2004-03-25 devnull case Khome:
828 8ad51794 2004-03-25 devnull show(0);
830 8ad51794 2004-03-25 devnull case Kend:
831 8ad51794 2004-03-25 devnull case 0x05:
832 8ad51794 2004-03-25 devnull show(t.nr);
834 8ad51794 2004-03-25 devnull case CUT:
835 cfabc3ed 2003-11-23 devnull snarf();
837 cfabc3ed 2003-11-23 devnull if(scrolling)
838 cfabc3ed 2003-11-23 devnull show(t.q0);
840 8ad51794 2004-03-25 devnull case COPY:
841 cfabc3ed 2003-11-23 devnull snarf();
842 cfabc3ed 2003-11-23 devnull if(scrolling)
843 cfabc3ed 2003-11-23 devnull show(t.q0);
845 8ad51794 2004-03-25 devnull case PASTE:
846 cfabc3ed 2003-11-23 devnull snarfupdate();
847 cfabc3ed 2003-11-23 devnull paste(t.snarf, t.nsnarf, 0);
848 cfabc3ed 2003-11-23 devnull if(scrolling)
849 cfabc3ed 2003-11-23 devnull show(t.q0);
853 f476c92f 2004-04-18 devnull if(rawon() && t.q0==t.nr){
854 cfabc3ed 2003-11-23 devnull addraw(&r, 1);
855 3fd755b7 2003-12-04 devnull consread();
859 cfabc3ed 2003-11-23 devnull if(r==ESC || (holdon && r==0x7F)){ /* toggle hold */
860 cfabc3ed 2003-11-23 devnull holdon = !holdon;
861 cfabc3ed 2003-11-23 devnull drawhold(holdon);
862 4dcd9af2 2004-04-15 devnull // replaceintegerproperty("_9WM_HOLD_MODE", 1, 32, holdon);
863 cfabc3ed 2003-11-23 devnull if(!holdon)
864 cfabc3ed 2003-11-23 devnull consread();
865 ba9ffa53 2004-03-21 devnull if(r==ESC)
869 cfabc3ed 2003-11-23 devnull snarf();
871 cfabc3ed 2003-11-23 devnull switch(r) {
872 8ad51794 2004-03-25 devnull case 0x03: /* ^C: send interrupt */
873 cfabc3ed 2003-11-23 devnull case 0x7F: /* DEL: send interrupt */
874 cfabc3ed 2003-11-23 devnull t.qh = t.q0 = t.q1 = t.nr;
875 cfabc3ed 2003-11-23 devnull show(t.q0);
876 8ad51794 2004-03-25 devnull write(rcfd, "\x7F", 1);
878 8ad51794 2004-03-25 devnull case 0x06: /* ^F: file name completion */
879 8ad51794 2004-03-25 devnull case Kins: /* Insert: file name completion */
880 8ad51794 2004-03-25 devnull rp = namecomplete();
881 8ad51794 2004-03-25 devnull if(rp == nil)
883 8ad51794 2004-03-25 devnull nr = runestrlen(rp);
884 8ad51794 2004-03-25 devnull paste(rp, nr, 1);
885 8ad51794 2004-03-25 devnull free(rp);
887 cfabc3ed 2003-11-23 devnull case 0x08: /* ^H: erase character */
888 cfabc3ed 2003-11-23 devnull case 0x15: /* ^U: erase line */
889 cfabc3ed 2003-11-23 devnull case 0x17: /* ^W: erase word */
890 cfabc3ed 2003-11-23 devnull if (t.q0 != 0 && t.q0 != t.qh)
891 0e25d609 2004-04-20 devnull t.q0 -= bswidth(r, t.q0, 1);
894 cfabc3ed 2003-11-23 devnull default:
895 cfabc3ed 2003-11-23 devnull paste(&r, 1, 1);
898 cfabc3ed 2003-11-23 devnull if(scrolling)
899 cfabc3ed 2003-11-23 devnull show(t.q0);
903 0e25d609 2004-04-20 devnull bswidth(Rune c, uint start, int eatnl)
905 cfabc3ed 2003-11-23 devnull uint q, eq, stop;
907 cfabc3ed 2003-11-23 devnull int skipping;
909 cfabc3ed 2003-11-23 devnull /* there is known to be at least one character to erase */
910 cfabc3ed 2003-11-23 devnull if(c == 0x08) /* ^H: erase character */
911 cfabc3ed 2003-11-23 devnull return 1;
912 0e25d609 2004-04-20 devnull q = start;
913 cfabc3ed 2003-11-23 devnull stop = 0;
914 cfabc3ed 2003-11-23 devnull if(q > t.qh)
915 cfabc3ed 2003-11-23 devnull stop = t.qh;
916 cfabc3ed 2003-11-23 devnull skipping = 1;
917 cfabc3ed 2003-11-23 devnull while(q > stop){
918 cfabc3ed 2003-11-23 devnull r = t.r[q-1];
919 cfabc3ed 2003-11-23 devnull if(r == '\n'){ /* eat at most one more character */
920 0e25d609 2004-04-20 devnull if(q == start && eatnl) /* eat the newline */
924 cfabc3ed 2003-11-23 devnull if(c == 0x17){
925 cfabc3ed 2003-11-23 devnull eq = isalnum(r);
926 cfabc3ed 2003-11-23 devnull if(eq && skipping) /* found one; stop skipping */
927 cfabc3ed 2003-11-23 devnull skipping = 0;
928 cfabc3ed 2003-11-23 devnull else if(!eq && !skipping)
933 0e25d609 2004-04-20 devnull return start-q;
937 cfabc3ed 2003-11-23 devnull consready(void)
939 cfabc3ed 2003-11-23 devnull int i, c;
941 cfabc3ed 2003-11-23 devnull if(holdon)
942 cfabc3ed 2003-11-23 devnull return 0;
944 f476c92f 2004-04-18 devnull if(rawon())
945 cfabc3ed 2003-11-23 devnull return t.nraw != 0;
947 cfabc3ed 2003-11-23 devnull /* look to see if there is a complete line */
948 cfabc3ed 2003-11-23 devnull for(i=t.qh; i<t.nr; i++){
949 cfabc3ed 2003-11-23 devnull c = t.r[i];
950 ba9ffa53 2004-03-21 devnull if(c=='\n' || c=='\004' || c=='\x7F')
951 cfabc3ed 2003-11-23 devnull return 1;
953 cfabc3ed 2003-11-23 devnull return 0;
958 cfabc3ed 2003-11-23 devnull consread(void)
960 cfabc3ed 2003-11-23 devnull char buf[8000], *p;
961 cfabc3ed 2003-11-23 devnull int c, width, n;
962 f476c92f 2004-04-18 devnull int s, raw;
964 f476c92f 2004-04-18 devnull raw = rawon();
965 cfabc3ed 2003-11-23 devnull for(;;) {
966 cfabc3ed 2003-11-23 devnull if(!consready())
968 cfabc3ed 2003-11-23 devnull n = sizeof(buf);
969 cfabc3ed 2003-11-23 devnull p = buf;
971 cfabc3ed 2003-11-23 devnull while(n >= UTFmax && (t.qh<t.nr || t.nraw > 0)) {
972 cfabc3ed 2003-11-23 devnull if(t.qh == t.nr){
973 cfabc3ed 2003-11-23 devnull width = runetochar(p, &t.raw[0]);
974 cfabc3ed 2003-11-23 devnull t.nraw--;
975 cfabc3ed 2003-11-23 devnull runemove(t.raw, t.raw+1, t.nraw);
977 cfabc3ed 2003-11-23 devnull width = runetochar(p, &t.r[t.qh++]);
979 cfabc3ed 2003-11-23 devnull p += width;
980 cfabc3ed 2003-11-23 devnull n -= width;
981 f476c92f 2004-04-18 devnull if(!raw && (c == '\n' || c == '\004' || c == '\x7F'))
984 669250d1 2003-12-03 devnull n = p-buf;
987 a2705f20 2004-04-16 devnull * We've been echoing, so make sure the terminal isn't
988 a2705f20 2004-04-16 devnull * while we do the write. This screws up if someone
989 a2705f20 2004-04-16 devnull * else tries to turn on echo at the same time (we'll turn it
990 a2705f20 2004-04-16 devnull * off again after the write), but that's not too likely.
992 a2705f20 2004-04-16 devnull s = setecho(sfd, 0);
993 8ad51794 2004-03-25 devnull if(write(rcfd, buf, n) < 0)
994 cfabc3ed 2003-11-23 devnull exits(0);
995 a2705f20 2004-04-16 devnull setecho(sfd, s);
1000 cfabc3ed 2003-11-23 devnull conswrite(char *p, int n)
1002 cfabc3ed 2003-11-23 devnull int n2, i;
1003 cfabc3ed 2003-11-23 devnull Rune buf2[1000], *q;
1005 cfabc3ed 2003-11-23 devnull /* convert to runes */
1006 cfabc3ed 2003-11-23 devnull i = t.npart;
1007 cfabc3ed 2003-11-23 devnull if(i > 0){
1008 cfabc3ed 2003-11-23 devnull /* handle partial runes */
1009 cfabc3ed 2003-11-23 devnull while(i < UTFmax && n>0) {
1010 cfabc3ed 2003-11-23 devnull t.part[i] = *p;
1014 cfabc3ed 2003-11-23 devnull if(fullrune(t.part, i)) {
1015 cfabc3ed 2003-11-23 devnull t.npart = 0;
1016 cfabc3ed 2003-11-23 devnull chartorune(buf2, t.part);
1017 cfabc3ed 2003-11-23 devnull runewrite(buf2, 1);
1021 cfabc3ed 2003-11-23 devnull /* there is a little extra room in a message buf */
1024 cfabc3ed 2003-11-23 devnull while(n >= UTFmax || fullrune(p, n)) {
1025 cfabc3ed 2003-11-23 devnull n2 = nelem(buf2);
1026 cfabc3ed 2003-11-23 devnull q = buf2;
1028 cfabc3ed 2003-11-23 devnull while(n2) {
1029 cfabc3ed 2003-11-23 devnull if(n < UTFmax && !fullrune(p, n))
1031 cfabc3ed 2003-11-23 devnull i = chartorune(q, p);
1032 cfabc3ed 2003-11-23 devnull p += i;
1033 cfabc3ed 2003-11-23 devnull n -= i;
1037 cfabc3ed 2003-11-23 devnull runewrite(buf2, q-buf2);
1040 cfabc3ed 2003-11-23 devnull if(n != 0) {
1041 cfabc3ed 2003-11-23 devnull assert(n+t.npart < UTFmax);
1042 cfabc3ed 2003-11-23 devnull memcpy(t.part+t.npart, p, n);
1043 cfabc3ed 2003-11-23 devnull t.npart += n;
1046 cfabc3ed 2003-11-23 devnull if(scrolling)
1047 cfabc3ed 2003-11-23 devnull show(t.qh);
1051 cfabc3ed 2003-11-23 devnull runewrite(Rune *r, int n)
1054 cfabc3ed 2003-11-23 devnull uint initial;
1055 cfabc3ed 2003-11-23 devnull uint q0, q1;
1056 cfabc3ed 2003-11-23 devnull uint p0, p1;
1057 cfabc3ed 2003-11-23 devnull Rune *p, *q;
1059 cfabc3ed 2003-11-23 devnull n = label(r, n);
1060 cfabc3ed 2003-11-23 devnull if(n == 0)
1061 cfabc3ed 2003-11-23 devnull return;
1063 d2a414f2 2003-12-04 devnull /* get rid of backspaces */
1064 cfabc3ed 2003-11-23 devnull initial = 0;
1065 cfabc3ed 2003-11-23 devnull p = q = r;
1066 cfabc3ed 2003-11-23 devnull for(i=0; i<n; i++) {
1067 cfabc3ed 2003-11-23 devnull if(*p == '\b') {
1068 cfabc3ed 2003-11-23 devnull if(q == r)
1069 cfabc3ed 2003-11-23 devnull initial++;
1072 0e25d609 2004-04-20 devnull } else if(*p == '\r') { /* treat like ^U */
1073 0e25d609 2004-04-20 devnull /* convert CR without NL into erased line */
1074 0e25d609 2004-04-20 devnull /* i feel really sleazy about this but it helps */
1075 0e25d609 2004-04-20 devnull if(i<n-1 && *(p+1) != '\n'){
1076 0e25d609 2004-04-20 devnull while(q > r && *(q-1) != '\n')
1078 0e25d609 2004-04-20 devnull if(q==r)
1079 0e25d609 2004-04-20 devnull initial = bswidth(0x15, t.qh, 0);
1081 cfabc3ed 2003-11-23 devnull } else if(*p)
1082 cfabc3ed 2003-11-23 devnull *q++ = *p;
1085 cfabc3ed 2003-11-23 devnull n = q-r;
1087 cfabc3ed 2003-11-23 devnull if(initial){
1088 cfabc3ed 2003-11-23 devnull /* write turned into a delete */
1090 cfabc3ed 2003-11-23 devnull if(initial > t.qh)
1091 cfabc3ed 2003-11-23 devnull initial = t.qh;
1092 cfabc3ed 2003-11-23 devnull q0 = t.qh-initial;
1093 cfabc3ed 2003-11-23 devnull q1 = t.qh;
1095 cfabc3ed 2003-11-23 devnull runemove(t.r+q0, t.r+q1, t.nr-q1);
1096 cfabc3ed 2003-11-23 devnull t.nr -= initial;
1097 cfabc3ed 2003-11-23 devnull t.qh -= initial;
1098 cfabc3ed 2003-11-23 devnull if(t.q0 > q1)
1099 cfabc3ed 2003-11-23 devnull t.q0 -= initial;
1100 cfabc3ed 2003-11-23 devnull else if(t.q0 > q0)
1101 cfabc3ed 2003-11-23 devnull t.q0 = q0;
1102 cfabc3ed 2003-11-23 devnull if(t.q1 > q1)
1103 cfabc3ed 2003-11-23 devnull t.q1 -= initial;
1104 cfabc3ed 2003-11-23 devnull else if(t.q1 > q0)
1105 cfabc3ed 2003-11-23 devnull t.q1 = q0;
1106 cfabc3ed 2003-11-23 devnull if(t.org > q1)
1107 cfabc3ed 2003-11-23 devnull t.org -= initial;
1108 cfabc3ed 2003-11-23 devnull else if(q0 < t.org+t.f->nchars){
1109 cfabc3ed 2003-11-23 devnull if(t.org < q0)
1110 cfabc3ed 2003-11-23 devnull p0 = q0 - t.org;
1112 cfabc3ed 2003-11-23 devnull t.org = q0;
1113 cfabc3ed 2003-11-23 devnull p0 = 0;
1115 cfabc3ed 2003-11-23 devnull p1 = q1 - t.org;
1116 cfabc3ed 2003-11-23 devnull if(p1 > t.f->nchars)
1117 cfabc3ed 2003-11-23 devnull p1 = t.f->nchars;
1118 cfabc3ed 2003-11-23 devnull frdelete(t.f, p0, p1);
1119 cfabc3ed 2003-11-23 devnull fill();
1121 cfabc3ed 2003-11-23 devnull updatesel();
1124 8ad51794 2004-03-25 devnull insert(r, n, t.qh, 1);
1129 cfabc3ed 2003-11-23 devnull cut(void)
1131 cfabc3ed 2003-11-23 devnull uint n, p0, p1;
1132 cfabc3ed 2003-11-23 devnull uint q0, q1;
1134 cfabc3ed 2003-11-23 devnull q0 = t.q0;
1135 cfabc3ed 2003-11-23 devnull q1 = t.q1;
1137 cfabc3ed 2003-11-23 devnull if (q0 < t.org && q1 >= t.org)
1138 cfabc3ed 2003-11-23 devnull show(q0);
1140 cfabc3ed 2003-11-23 devnull n = q1-q0;
1141 cfabc3ed 2003-11-23 devnull if(n == 0)
1142 cfabc3ed 2003-11-23 devnull return;
1143 cfabc3ed 2003-11-23 devnull runemove(t.r+q0, t.r+q1, t.nr-q1);
1144 cfabc3ed 2003-11-23 devnull t.nr -= n;
1145 cfabc3ed 2003-11-23 devnull t.q0 = t.q1 = q0;
1146 cfabc3ed 2003-11-23 devnull if(q1 < t.qh)
1147 cfabc3ed 2003-11-23 devnull t.qh -= n;
1148 cfabc3ed 2003-11-23 devnull else if(q0 < t.qh)
1149 cfabc3ed 2003-11-23 devnull t.qh = q0;
1150 cfabc3ed 2003-11-23 devnull if(q1 < t.org)
1151 cfabc3ed 2003-11-23 devnull t.org -= n;
1152 cfabc3ed 2003-11-23 devnull else if(q0 < t.org+t.f->nchars){
1153 cfabc3ed 2003-11-23 devnull assert(q0 >= t.org);
1154 cfabc3ed 2003-11-23 devnull p0 = q0 - t.org;
1155 cfabc3ed 2003-11-23 devnull p1 = q1 - t.org;
1156 cfabc3ed 2003-11-23 devnull if(p1 > t.f->nchars)
1157 cfabc3ed 2003-11-23 devnull p1 = t.f->nchars;
1158 cfabc3ed 2003-11-23 devnull frdelete(t.f, p0, p1);
1159 cfabc3ed 2003-11-23 devnull fill();
1161 cfabc3ed 2003-11-23 devnull updatesel();
1165 cfabc3ed 2003-11-23 devnull snarfupdate(void)
1167 cfabc3ed 2003-11-23 devnull char *pp;
1168 cfabc3ed 2003-11-23 devnull int n, i;
1169 cfabc3ed 2003-11-23 devnull Rune *p;
1171 cfabc3ed 2003-11-23 devnull pp = getsnarf();
1172 d3acba95 2003-12-04 devnull if(pp == nil)
1173 d3acba95 2003-12-04 devnull return;
1174 cfabc3ed 2003-11-23 devnull n = strlen(pp);
1175 cfabc3ed 2003-11-23 devnull if(n <= 0) {
1176 cfabc3ed 2003-11-23 devnull /*t.nsnarf = 0;*/
1177 cfabc3ed 2003-11-23 devnull return;
1179 cfabc3ed 2003-11-23 devnull t.snarf = runerealloc(t.snarf, n);
1180 cfabc3ed 2003-11-23 devnull for(i=0,p=t.snarf; i<n; p++)
1181 cfabc3ed 2003-11-23 devnull i += chartorune(p, pp+i);
1182 cfabc3ed 2003-11-23 devnull t.nsnarf = p-t.snarf;
1186 dff7e273 2003-12-04 devnull char sbuf[SnarfSize];
1188 cfabc3ed 2003-11-23 devnull snarf(void)
1190 dff7e273 2003-12-04 devnull char *p;
1191 cfabc3ed 2003-11-23 devnull int i, n;
1192 cfabc3ed 2003-11-23 devnull Rune *rp;
1194 cfabc3ed 2003-11-23 devnull if(t.q1 == t.q0)
1195 cfabc3ed 2003-11-23 devnull return;
1196 cfabc3ed 2003-11-23 devnull n = t.q1-t.q0;
1197 dff7e273 2003-12-04 devnull t.snarf = runerealloc(t.snarf, n);
1198 dff7e273 2003-12-04 devnull for(i=0,p=sbuf,rp=t.snarf; i<n && p < sbuf+SnarfSize-UTFmax; i++){
1199 cfabc3ed 2003-11-23 devnull *rp++ = *(t.r+t.q0+i);
1200 cfabc3ed 2003-11-23 devnull p += runetochar(p, t.r+t.q0+i);
1202 cfabc3ed 2003-11-23 devnull t.nsnarf = rp-t.snarf;
1203 cfabc3ed 2003-11-23 devnull *p = '\0';
1204 dff7e273 2003-12-04 devnull putsnarf(sbuf);
1208 8ad51794 2004-03-25 devnull min(uint x, uint y)
1210 8ad51794 2004-03-25 devnull if(x < y)
1211 8ad51794 2004-03-25 devnull return x;
1212 8ad51794 2004-03-25 devnull return y;
1216 8ad51794 2004-03-25 devnull max(uint x, uint y)
1218 8ad51794 2004-03-25 devnull if(x > y)
1219 8ad51794 2004-03-25 devnull return x;
1220 8ad51794 2004-03-25 devnull return y;
1224 8ad51794 2004-03-25 devnull insert(Rune *r, int n, uint q0, int hostwrite)
1226 8ad51794 2004-03-25 devnull uint m;
1228 8ad51794 2004-03-25 devnull if(n == 0)
1229 8ad51794 2004-03-25 devnull return q0;
1230 8ad51794 2004-03-25 devnull if(t.nr+n>HiWater && q0>=t.org && q0>=t.qh){
1231 8ad51794 2004-03-25 devnull m = min(HiWater-LoWater, min(t.org, t.qh));
1232 8ad51794 2004-03-25 devnull t.org -= m;
1233 8ad51794 2004-03-25 devnull t.qh -= m;
1234 8ad51794 2004-03-25 devnull if(t.q0 > m)
1235 8ad51794 2004-03-25 devnull t.q0 -= m;
1237 8ad51794 2004-03-25 devnull t.q0 = 0;
1238 8ad51794 2004-03-25 devnull if(t.q1 > m)
1239 8ad51794 2004-03-25 devnull t.q1 -= m;
1241 8ad51794 2004-03-25 devnull t.q1 = 0;
1242 8ad51794 2004-03-25 devnull t.nr -= m;
1243 8ad51794 2004-03-25 devnull runemove(t.r, t.r+m, t.nr);
1244 8ad51794 2004-03-25 devnull q0 -= m;
1246 8ad51794 2004-03-25 devnull if(t.nr+n > t.maxr){
1248 8ad51794 2004-03-25 devnull * Minimize realloc breakage:
1249 8ad51794 2004-03-25 devnull * Allocate at least MinWater
1250 8ad51794 2004-03-25 devnull * Double allocation size each time
1251 8ad51794 2004-03-25 devnull * But don't go much above HiWater
1253 8ad51794 2004-03-25 devnull m = max(min(2*(t.nr+n), HiWater), t.nr+n)+MinWater;
1254 8ad51794 2004-03-25 devnull if(m > HiWater)
1255 8ad51794 2004-03-25 devnull m = max(HiWater+MinWater, t.nr+n);
1256 8ad51794 2004-03-25 devnull if(m > t.maxr){
1257 8ad51794 2004-03-25 devnull t.r = runerealloc(t.r, m);
1258 8ad51794 2004-03-25 devnull t.maxr = m;
1261 8ad51794 2004-03-25 devnull runemove(t.r+q0+n, t.r+q0, t.nr-q0);
1262 8ad51794 2004-03-25 devnull runemove(t.r+q0, r, n);
1263 8ad51794 2004-03-25 devnull t.nr += n;
1264 8ad51794 2004-03-25 devnull /* if output touches, advance selection, not qh; works best for keyboard and output */
1265 8ad51794 2004-03-25 devnull if(q0 <= t.q1)
1266 8ad51794 2004-03-25 devnull t.q1 += n;
1267 8ad51794 2004-03-25 devnull if(q0 <= t.q0)
1268 8ad51794 2004-03-25 devnull t.q0 += n;
1269 8ad51794 2004-03-25 devnull if(q0 < t.qh || (q0==t.qh && hostwrite))
1270 8ad51794 2004-03-25 devnull t.qh += n;
1272 8ad51794 2004-03-25 devnull consread();
1273 8ad51794 2004-03-25 devnull if(q0 < t.org)
1274 8ad51794 2004-03-25 devnull t.org += n;
1275 8ad51794 2004-03-25 devnull else if(q0 <= t.org+t.f->nchars)
1276 8ad51794 2004-03-25 devnull frinsert(t.f, r, r+n, q0-t.org);
1277 8ad51794 2004-03-25 devnull return q0;
1281 cfabc3ed 2003-11-23 devnull paste(Rune *r, int n, int advance)
1283 dff7e273 2003-12-04 devnull Rune *rbuf;
1285 f476c92f 2004-04-18 devnull if(rawon() && t.q0==t.nr){
1286 cfabc3ed 2003-11-23 devnull addraw(r, n);
1287 cfabc3ed 2003-11-23 devnull return;
1291 cfabc3ed 2003-11-23 devnull if(n == 0)
1292 cfabc3ed 2003-11-23 devnull return;
1295 ba9ffa53 2004-03-21 devnull * if this is a button2 execute then we might have been passed
1296 ba9ffa53 2004-03-21 devnull * runes inside the buffer. must save them before realloc.
1298 ba9ffa53 2004-03-21 devnull rbuf = nil;
1299 ba9ffa53 2004-03-21 devnull if(t.r <= r && r < t.r+n){
1300 ba9ffa53 2004-03-21 devnull rbuf = runemalloc(n);
1301 ba9ffa53 2004-03-21 devnull runemove(rbuf, r, n);
1302 ba9ffa53 2004-03-21 devnull r = rbuf;
1305 8ad51794 2004-03-25 devnull insert(r, n, t.q0, 0);
1306 cfabc3ed 2003-11-23 devnull updatesel();
1307 dff7e273 2003-12-04 devnull free(rbuf);
1311 cfabc3ed 2003-11-23 devnull fill(void)
1313 cfabc3ed 2003-11-23 devnull if (t.f->nlines >= t.f->maxlines)
1314 cfabc3ed 2003-11-23 devnull return;
1315 cfabc3ed 2003-11-23 devnull frinsert(t.f, t.r + t.org + t.f->nchars, t.r + t.nr, t.f->nchars);
1319 cfabc3ed 2003-11-23 devnull updatesel(void)
1321 cfabc3ed 2003-11-23 devnull Frame *f;
1322 cfabc3ed 2003-11-23 devnull uint n;
1324 cfabc3ed 2003-11-23 devnull f = t.f;
1325 cfabc3ed 2003-11-23 devnull if(t.org+f->p0 == t.q0 && t.org+f->p1 == t.q1)
1326 cfabc3ed 2003-11-23 devnull return;
1328 cfabc3ed 2003-11-23 devnull n = t.f->nchars;
1330 cfabc3ed 2003-11-23 devnull frdrawsel(f, frptofchar(f, f->p0), f->p0, f->p1, 0);
1331 cfabc3ed 2003-11-23 devnull if (t.q0 >= t.org)
1332 cfabc3ed 2003-11-23 devnull f->p0 = t.q0-t.org;
1334 cfabc3ed 2003-11-23 devnull f->p0 = 0;
1335 cfabc3ed 2003-11-23 devnull if(f->p0 > n)
1336 cfabc3ed 2003-11-23 devnull f->p0 = n;
1337 cfabc3ed 2003-11-23 devnull if (t.q1 >= t.org)
1338 cfabc3ed 2003-11-23 devnull f->p1 = t.q1-t.org;
1340 cfabc3ed 2003-11-23 devnull f->p1 = 0;
1341 cfabc3ed 2003-11-23 devnull if(f->p1 > n)
1342 cfabc3ed 2003-11-23 devnull f->p1 = n;
1343 cfabc3ed 2003-11-23 devnull frdrawsel(f, frptofchar(f, f->p0), f->p0, f->p1, 1);
1346 cfabc3ed 2003-11-23 devnull if(t.qh<=t.org+t.f.nchars && t.cwqueue != 0)
1347 cfabc3ed 2003-11-23 devnull t.cwqueue->wakeup <-= 0;
1350 cfabc3ed 2003-11-23 devnull tcheck();
1354 cfabc3ed 2003-11-23 devnull show(uint q0)
1356 cfabc3ed 2003-11-23 devnull int nl;
1357 cfabc3ed 2003-11-23 devnull uint q, oq;
1359 cfabc3ed 2003-11-23 devnull if(cansee(q0))
1360 cfabc3ed 2003-11-23 devnull return;
1362 cfabc3ed 2003-11-23 devnull if (q0<t.org)
1363 cfabc3ed 2003-11-23 devnull nl = t.f->maxlines/5;
1365 cfabc3ed 2003-11-23 devnull nl = 4*t.f->maxlines/5;
1366 cfabc3ed 2003-11-23 devnull q = backnl(q0, nl);
1367 cfabc3ed 2003-11-23 devnull /* avoid going in the wrong direction */
1368 cfabc3ed 2003-11-23 devnull if (q0>t.org && q<t.org)
1369 cfabc3ed 2003-11-23 devnull q = t.org;
1370 cfabc3ed 2003-11-23 devnull setorigin(q, 0);
1371 cfabc3ed 2003-11-23 devnull /* keep trying until q0 is on the screen */
1372 cfabc3ed 2003-11-23 devnull while(!cansee(q0)) {
1373 cfabc3ed 2003-11-23 devnull assert(q0 >= t.org);
1374 cfabc3ed 2003-11-23 devnull oq = q;
1375 cfabc3ed 2003-11-23 devnull q = line2q(t.f->maxlines-nl);
1376 cfabc3ed 2003-11-23 devnull assert(q > oq);
1377 cfabc3ed 2003-11-23 devnull setorigin(q, 1);
1382 cfabc3ed 2003-11-23 devnull cansee(uint q0)
1384 cfabc3ed 2003-11-23 devnull uint qe;
1386 cfabc3ed 2003-11-23 devnull qe = t.org+t.f->nchars;
1388 cfabc3ed 2003-11-23 devnull if(q0>=t.org && q0 < qe)
1389 cfabc3ed 2003-11-23 devnull return 1;
1390 cfabc3ed 2003-11-23 devnull if (q0 != qe)
1391 cfabc3ed 2003-11-23 devnull return 0;
1392 cfabc3ed 2003-11-23 devnull if (t.f->nlines < t.f->maxlines)
1393 cfabc3ed 2003-11-23 devnull return 1;
1394 cfabc3ed 2003-11-23 devnull if (q0 > 0 && t.r[t.nr-1] == '\n')
1395 cfabc3ed 2003-11-23 devnull return 0;
1396 cfabc3ed 2003-11-23 devnull return 1;
1401 cfabc3ed 2003-11-23 devnull setorigin(uint org, int exact)
1403 cfabc3ed 2003-11-23 devnull int i, a;
1404 cfabc3ed 2003-11-23 devnull uint n;
1406 cfabc3ed 2003-11-23 devnull if(org>0 && !exact){
1407 cfabc3ed 2003-11-23 devnull /* try and start after a newline */
1408 cfabc3ed 2003-11-23 devnull /* don't try harder than 256 chars */
1409 cfabc3ed 2003-11-23 devnull for(i=0; i<256 && org<t.nr; i++){
1410 cfabc3ed 2003-11-23 devnull if(t.r[org-1] == '\n')
1415 cfabc3ed 2003-11-23 devnull a = org-t.org;
1417 cfabc3ed 2003-11-23 devnull if(a>=0 && a<t.f->nchars)
1418 cfabc3ed 2003-11-23 devnull frdelete(t.f, 0, a);
1419 cfabc3ed 2003-11-23 devnull else if(a<0 && -a<100*t.f->maxlines){
1420 cfabc3ed 2003-11-23 devnull n = t.org - org;
1421 cfabc3ed 2003-11-23 devnull frinsert(t.f, t.r+org, t.r+org+n, 0);
1423 cfabc3ed 2003-11-23 devnull frdelete(t.f, 0, t.f->nchars);
1424 cfabc3ed 2003-11-23 devnull t.org = org;
1425 cfabc3ed 2003-11-23 devnull fill();
1426 cfabc3ed 2003-11-23 devnull updatesel();
1431 cfabc3ed 2003-11-23 devnull line2q(uint n)
1433 cfabc3ed 2003-11-23 devnull Frame *f;
1435 cfabc3ed 2003-11-23 devnull f = t.f;
1436 cfabc3ed 2003-11-23 devnull return frcharofpt(f, Pt(f->r.min.x, f->r.min.y + n*font->height))+t.org;
1440 cfabc3ed 2003-11-23 devnull backnl(uint p, uint n)
1442 cfabc3ed 2003-11-23 devnull int i, j;
1444 cfabc3ed 2003-11-23 devnull for (i = n;; i--) {
1445 cfabc3ed 2003-11-23 devnull /* at 256 chars, call it a line anyway */
1446 cfabc3ed 2003-11-23 devnull for(j=256; --j>0 && p>0; p--)
1447 cfabc3ed 2003-11-23 devnull if(t.r[p-1]=='\n')
1449 cfabc3ed 2003-11-23 devnull if (p == 0 || i == 0)
1450 cfabc3ed 2003-11-23 devnull return p;
1453 cfabc3ed 2003-11-23 devnull return 0; /* alef bug */
1457 cfabc3ed 2003-11-23 devnull addraw(Rune *r, int nr)
1459 cfabc3ed 2003-11-23 devnull t.raw = runerealloc(t.raw, t.nraw+nr);
1460 cfabc3ed 2003-11-23 devnull runemove(t.raw+t.nraw, r, nr);
1461 cfabc3ed 2003-11-23 devnull t.nraw += nr;
1463 cfabc3ed 2003-11-23 devnull if(t.crqueue != nil)
1464 cfabc3ed 2003-11-23 devnull t.crqueue->wakeup <-= 0;
1469 cfabc3ed 2003-11-23 devnull Rune left1[] = { '{', '[', '(', '<', 0xab, 0 };
1470 cfabc3ed 2003-11-23 devnull Rune right1[] = { '}', ']', ')', '>', 0xbb, 0 };
1471 cfabc3ed 2003-11-23 devnull Rune left2[] = { '\n', 0 };
1472 cfabc3ed 2003-11-23 devnull Rune left3[] = { '\'', '"', '`', 0 };
1474 cfabc3ed 2003-11-23 devnull Rune *left[] = {
1481 cfabc3ed 2003-11-23 devnull Rune *right[] = {
1482 cfabc3ed 2003-11-23 devnull right1,
1489 cfabc3ed 2003-11-23 devnull doubleclick(uint *q0, uint *q1)
1491 cfabc3ed 2003-11-23 devnull int c, i;
1492 cfabc3ed 2003-11-23 devnull Rune *r, *l, *p;
1493 cfabc3ed 2003-11-23 devnull uint q;
1495 cfabc3ed 2003-11-23 devnull for(i=0; left[i]!=0; i++){
1496 cfabc3ed 2003-11-23 devnull q = *q0;
1497 cfabc3ed 2003-11-23 devnull l = left[i];
1498 cfabc3ed 2003-11-23 devnull r = right[i];
1499 cfabc3ed 2003-11-23 devnull /* try matching character to left, looking right */
1500 cfabc3ed 2003-11-23 devnull if(q == 0)
1501 cfabc3ed 2003-11-23 devnull c = '\n';
1503 cfabc3ed 2003-11-23 devnull c = t.r[q-1];
1504 cfabc3ed 2003-11-23 devnull p = strrune(l, c);
1505 cfabc3ed 2003-11-23 devnull if(p != 0){
1506 cfabc3ed 2003-11-23 devnull if(clickmatch(c, r[p-l], 1, &q))
1507 cfabc3ed 2003-11-23 devnull *q1 = q-(c!='\n');
1508 cfabc3ed 2003-11-23 devnull return;
1510 cfabc3ed 2003-11-23 devnull /* try matching character to right, looking left */
1511 cfabc3ed 2003-11-23 devnull if(q == t.nr)
1512 cfabc3ed 2003-11-23 devnull c = '\n';
1514 cfabc3ed 2003-11-23 devnull c = t.r[q];
1515 cfabc3ed 2003-11-23 devnull p = strrune(r, c);
1516 cfabc3ed 2003-11-23 devnull if(p != 0){
1517 cfabc3ed 2003-11-23 devnull if(clickmatch(c, l[p-r], -1, &q)){
1518 cfabc3ed 2003-11-23 devnull *q1 = *q0+(*q0<t.nr && c=='\n');
1519 cfabc3ed 2003-11-23 devnull *q0 = q;
1520 cfabc3ed 2003-11-23 devnull if(c!='\n' || q!=0 || t.r[0]=='\n')
1521 cfabc3ed 2003-11-23 devnull (*q0)++;
1523 cfabc3ed 2003-11-23 devnull return;
1526 cfabc3ed 2003-11-23 devnull /* try filling out word to right */
1527 cfabc3ed 2003-11-23 devnull while(*q1<t.nr && isalnum(t.r[*q1]))
1528 cfabc3ed 2003-11-23 devnull (*q1)++;
1529 cfabc3ed 2003-11-23 devnull /* try filling out word to left */
1530 cfabc3ed 2003-11-23 devnull while(*q0>0 && isalnum(t.r[*q0-1]))
1531 cfabc3ed 2003-11-23 devnull (*q0)--;
1535 cfabc3ed 2003-11-23 devnull clickmatch(int cl, int cr, int dir, uint *q)
1537 cfabc3ed 2003-11-23 devnull Rune c;
1538 cfabc3ed 2003-11-23 devnull int nest;
1540 cfabc3ed 2003-11-23 devnull nest = 1;
1541 cfabc3ed 2003-11-23 devnull for(;;){
1542 cfabc3ed 2003-11-23 devnull if(dir > 0){
1543 cfabc3ed 2003-11-23 devnull if(*q == t.nr)
1545 cfabc3ed 2003-11-23 devnull c = t.r[*q];
1546 cfabc3ed 2003-11-23 devnull (*q)++;
1548 cfabc3ed 2003-11-23 devnull if(*q == 0)
1550 cfabc3ed 2003-11-23 devnull (*q)--;
1551 cfabc3ed 2003-11-23 devnull c = t.r[*q];
1553 cfabc3ed 2003-11-23 devnull if(c == cr){
1554 cfabc3ed 2003-11-23 devnull if(--nest==0)
1555 cfabc3ed 2003-11-23 devnull return 1;
1556 cfabc3ed 2003-11-23 devnull }else if(c == cl)
1557 cfabc3ed 2003-11-23 devnull nest++;
1559 cfabc3ed 2003-11-23 devnull return cl=='\n' && nest==1;
1563 cfabc3ed 2003-11-23 devnull tcheck(void)
1565 cfabc3ed 2003-11-23 devnull Frame *f;
1567 cfabc3ed 2003-11-23 devnull f = t.f;
1569 cfabc3ed 2003-11-23 devnull assert(t.q0 <= t.q1 && t.q1 <= t.nr);
1570 cfabc3ed 2003-11-23 devnull assert(t.org <= t.nr && t.qh <= t.nr);
1571 cfabc3ed 2003-11-23 devnull assert(f->p0 <= f->p1 && f->p1 <= f->nchars);
1572 cfabc3ed 2003-11-23 devnull assert(t.org + f->nchars <= t.nr);
1573 cfabc3ed 2003-11-23 devnull assert(t.org+f->nchars==t.nr || (f->nlines >= f->maxlines));
1577 cfabc3ed 2003-11-23 devnull strrune(Rune *s, Rune c)
1579 cfabc3ed 2003-11-23 devnull Rune c1;
1581 cfabc3ed 2003-11-23 devnull if(c == 0) {
1582 cfabc3ed 2003-11-23 devnull while(*s++)
1584 cfabc3ed 2003-11-23 devnull return s-1;
1587 cfabc3ed 2003-11-23 devnull while(c1 = *s++)
1588 cfabc3ed 2003-11-23 devnull if(c1 == c)
1589 cfabc3ed 2003-11-23 devnull return s-1;
1590 cfabc3ed 2003-11-23 devnull return 0;
1594 cfabc3ed 2003-11-23 devnull scrdraw(void)
1596 cfabc3ed 2003-11-23 devnull Rectangle r, r1, r2;
1597 cfabc3ed 2003-11-23 devnull static Image *scrx;
1599 cfabc3ed 2003-11-23 devnull r = scrollr;
1600 cfabc3ed 2003-11-23 devnull r.min.x += 1; /* border between margin and bar */
1601 cfabc3ed 2003-11-23 devnull r1 = r;
1602 cfabc3ed 2003-11-23 devnull if(scrx==0 || scrx->r.max.y < r.max.y){
1603 cfabc3ed 2003-11-23 devnull if(scrx)
1604 cfabc3ed 2003-11-23 devnull freeimage(scrx);
1605 cfabc3ed 2003-11-23 devnull scrx = allocimage(display, Rect(0, 0, 32, r.max.y), screen->chan, 1, DPaleyellow);
1606 cfabc3ed 2003-11-23 devnull if(scrx == 0)
1607 8ad51794 2004-03-25 devnull sysfatal("scroll balloc");
1609 cfabc3ed 2003-11-23 devnull r1.min.x = 0;
1610 cfabc3ed 2003-11-23 devnull r1.max.x = Dx(r);
1611 cfabc3ed 2003-11-23 devnull r2 = scrpos(r1, t.org, t.org+t.f->nchars, t.nr);
1612 cfabc3ed 2003-11-23 devnull if(!eqrect(r2, lastsr)){
1613 cfabc3ed 2003-11-23 devnull lastsr = r2;
1614 cfabc3ed 2003-11-23 devnull draw(scrx, r1, cols[BORD], nil, ZP);
1615 cfabc3ed 2003-11-23 devnull draw(scrx, r2, cols[BACK], nil, r2.min);
1616 cfabc3ed 2003-11-23 devnull // r2 = r1;
1617 cfabc3ed 2003-11-23 devnull // r2.min.x = r2.max.x-1;
1618 cfabc3ed 2003-11-23 devnull // draw(scrx, r2, cols[BORD], nil, ZP);
1619 cfabc3ed 2003-11-23 devnull draw(screen, r, scrx, nil, r1.min);
1623 cfabc3ed 2003-11-23 devnull Rectangle
1624 cfabc3ed 2003-11-23 devnull scrpos(Rectangle r, ulong p0, ulong p1, ulong tot)
1626 cfabc3ed 2003-11-23 devnull long h;
1627 cfabc3ed 2003-11-23 devnull Rectangle q;
1629 cfabc3ed 2003-11-23 devnull q = insetrect(r, 1);
1630 cfabc3ed 2003-11-23 devnull h = q.max.y-q.min.y;
1631 cfabc3ed 2003-11-23 devnull if(tot == 0)
1632 cfabc3ed 2003-11-23 devnull return q;
1633 cfabc3ed 2003-11-23 devnull if(tot > 1024L*1024L)
1634 cfabc3ed 2003-11-23 devnull tot >>= 10, p0 >>= 10, p1 >>= 10;
1635 cfabc3ed 2003-11-23 devnull if(p0 > 0)
1636 cfabc3ed 2003-11-23 devnull q.min.y += h*p0/tot;
1637 cfabc3ed 2003-11-23 devnull if(p1 < tot)
1638 cfabc3ed 2003-11-23 devnull q.max.y -= h*(tot-p1)/tot;
1639 cfabc3ed 2003-11-23 devnull if(q.max.y < q.min.y+2){
1640 cfabc3ed 2003-11-23 devnull if(q.min.y+2 <= r.max.y)
1641 cfabc3ed 2003-11-23 devnull q.max.y = q.min.y+2;
1643 cfabc3ed 2003-11-23 devnull q.min.y = q.max.y-2;
1645 cfabc3ed 2003-11-23 devnull return q;
1649 cfabc3ed 2003-11-23 devnull scroll(int but)
1651 cfabc3ed 2003-11-23 devnull uint p0, oldp0;
1652 cfabc3ed 2003-11-23 devnull Rectangle s;
1653 cfabc3ed 2003-11-23 devnull int x, y, my, h, first, exact;
1655 cfabc3ed 2003-11-23 devnull s = insetrect(scrollr, 1);
1656 cfabc3ed 2003-11-23 devnull h = s.max.y-s.min.y;
1657 cfabc3ed 2003-11-23 devnull x = (s.min.x+s.max.x)/2;
1658 cfabc3ed 2003-11-23 devnull oldp0 = ~0;
1659 cfabc3ed 2003-11-23 devnull first = 1;
1661 cfabc3ed 2003-11-23 devnull if(t.m.xy.x<s.min.x || s.max.x<=t.m.xy.x){
1662 cfabc3ed 2003-11-23 devnull readmouse(mc);
1663 cfabc3ed 2003-11-23 devnull t.m = mc->m;
1665 cfabc3ed 2003-11-23 devnull my = t.m.xy.y;
1666 cfabc3ed 2003-11-23 devnull if(my < s.min.y)
1667 cfabc3ed 2003-11-23 devnull my = s.min.y;
1668 cfabc3ed 2003-11-23 devnull if(my >= s.max.y)
1669 cfabc3ed 2003-11-23 devnull my = s.max.y;
1670 cfabc3ed 2003-11-23 devnull // if(!eqpt(t.m.xy, Pt(x, my)))
1671 cfabc3ed 2003-11-23 devnull // cursorset(Pt(x, my));
1672 cfabc3ed 2003-11-23 devnull exact = 1;
1673 cfabc3ed 2003-11-23 devnull if(but == 2){
1674 cfabc3ed 2003-11-23 devnull y = my;
1675 cfabc3ed 2003-11-23 devnull if(y > s.max.y-2)
1676 cfabc3ed 2003-11-23 devnull y = s.max.y-2;
1677 cfabc3ed 2003-11-23 devnull if(t.nr > 1024*1024)
1678 cfabc3ed 2003-11-23 devnull p0 = ((t.nr>>10)*(y-s.min.y)/h)<<10;
1680 cfabc3ed 2003-11-23 devnull p0 = t.nr*(y-s.min.y)/h;
1681 cfabc3ed 2003-11-23 devnull exact = 0;
1682 cfabc3ed 2003-11-23 devnull } else if(but == 1)
1683 cfabc3ed 2003-11-23 devnull p0 = backnl(t.org, (my-s.min.y)/font->height);
1685 cfabc3ed 2003-11-23 devnull p0 = t.org+frcharofpt(t.f, Pt(s.max.x, my));
1687 cfabc3ed 2003-11-23 devnull if(oldp0 != p0)
1688 cfabc3ed 2003-11-23 devnull setorigin(p0, exact);
1689 cfabc3ed 2003-11-23 devnull oldp0 = p0;
1690 cfabc3ed 2003-11-23 devnull scrdraw();
1691 cfabc3ed 2003-11-23 devnull readmouse(mc);
1692 cfabc3ed 2003-11-23 devnull t.m = mc->m;
1694 cfabc3ed 2003-11-23 devnull }while(t.m.buttons & (1<<(but-1)));
1698 cfabc3ed 2003-11-23 devnull plumbstart(void)
1700 32f69c36 2003-12-11 devnull if((plumbfd = plumbopen("send", OWRITE)) < 0)
1701 304278e5 2004-03-21 devnull fprint(2, "9term: plumbopen: %r\n");
1705 cfabc3ed 2003-11-23 devnull plumb(uint q0, uint q1)
1707 cfabc3ed 2003-11-23 devnull Plumbmsg *pm;
1708 cfabc3ed 2003-11-23 devnull char *p;
1709 cfabc3ed 2003-11-23 devnull int i, p0, n;
1710 cfabc3ed 2003-11-23 devnull char cbuf[100];
1712 cfabc3ed 2003-11-23 devnull pm = malloc(sizeof(Plumbmsg));
1713 cfabc3ed 2003-11-23 devnull pm->src = strdup("9term");
1714 cfabc3ed 2003-11-23 devnull pm->dst = 0;
1715 8ad51794 2004-03-25 devnull pm->wdir = strdup(wdir);
1716 cfabc3ed 2003-11-23 devnull pm->type = strdup("text");
1717 64044a07 2004-03-21 devnull pm->data = nil;
1718 cfabc3ed 2003-11-23 devnull if(q1 > q0)
1719 cfabc3ed 2003-11-23 devnull pm->attr = nil;
1721 cfabc3ed 2003-11-23 devnull p0 = q0;
1722 d3acba95 2003-12-04 devnull wordclick(&q0, &q1);
1723 cfabc3ed 2003-11-23 devnull sprint(cbuf, "click=%d", p0-q0);
1724 cfabc3ed 2003-11-23 devnull pm->attr = plumbunpackattr(cbuf);
1726 cfabc3ed 2003-11-23 devnull if(q0==q1){
1727 cfabc3ed 2003-11-23 devnull plumbfree(pm);
1728 cfabc3ed 2003-11-23 devnull return;
1730 cfabc3ed 2003-11-23 devnull pm->data = malloc(SnarfSize);
1731 cfabc3ed 2003-11-23 devnull n = q1 - q0;
1732 cfabc3ed 2003-11-23 devnull for(i=0,p=pm->data; i<n && p < pm->data + SnarfSize-UTFmax; i++)
1733 cfabc3ed 2003-11-23 devnull p += runetochar(p, t.r+q0+i);
1734 cfabc3ed 2003-11-23 devnull *p = '\0';
1735 cfabc3ed 2003-11-23 devnull pm->ndata = strlen(pm->data);
1736 cfabc3ed 2003-11-23 devnull plumbsend(plumbfd, pm);
1737 cfabc3ed 2003-11-23 devnull plumbfree(pm);
1741 cfabc3ed 2003-11-23 devnull * Process in-band messages about window title changes.
1742 cfabc3ed 2003-11-23 devnull * The messages are of the form:
1744 cfabc3ed 2003-11-23 devnull * \033];xxx\007
1746 cfabc3ed 2003-11-23 devnull * where xxx is the new directory. This format was chosen
1747 cfabc3ed 2003-11-23 devnull * because it changes the label on xterm windows.
1750 cfabc3ed 2003-11-23 devnull label(Rune *sr, int n)
1752 cfabc3ed 2003-11-23 devnull Rune *sl, *el, *er, *r;
1754 cfabc3ed 2003-11-23 devnull er = sr+n;
1755 cfabc3ed 2003-11-23 devnull for(r=er-1; r>=sr; r--)
1756 cfabc3ed 2003-11-23 devnull if(*r == '\007')
1758 cfabc3ed 2003-11-23 devnull if(r < sr)
1759 cfabc3ed 2003-11-23 devnull return n;
1761 cfabc3ed 2003-11-23 devnull el = r+1;
1762 cfabc3ed 2003-11-23 devnull if(el-sr > sizeof wdir)
1763 cfabc3ed 2003-11-23 devnull sr = el - sizeof wdir;
1764 cfabc3ed 2003-11-23 devnull for(sl=el-3; sl>=sr; sl--)
1765 cfabc3ed 2003-11-23 devnull if(sl[0]=='\033' && sl[1]==']' && sl[2]==';')
1767 cfabc3ed 2003-11-23 devnull if(sl < sr)
1768 cfabc3ed 2003-11-23 devnull return n;
1770 cfabc3ed 2003-11-23 devnull snprint(wdir, sizeof wdir, "%.*S", (el-1)-(sl+3), sl+3);
1771 cfabc3ed 2003-11-23 devnull drawsetlabel(display, wdir);
1773 cfabc3ed 2003-11-23 devnull runemove(sl, el, er-el);
1774 cfabc3ed 2003-11-23 devnull n -= (el-sl);
1775 cfabc3ed 2003-11-23 devnull return n;
1779 f476c92f 2004-04-18 devnull rawon(void)
1781 f476c92f 2004-04-18 devnull return !cooked && !isecho(sfd);
