1 84b1cb73 2003-09-30 devnull #include <u.h>
  2 84b1cb73 2003-09-30 devnull #include <libc.h>
  3 84b1cb73 2003-09-30 devnull #include <draw.h>
  4 84b1cb73 2003-09-30 devnull #include <thread.h>
  5 84b1cb73 2003-09-30 devnull #include <mouse.h>
  6 84b1cb73 2003-09-30 devnull #include <cursor.h>
  7 84b1cb73 2003-09-30 devnull #include <keyboard.h>
  8 84b1cb73 2003-09-30 devnull #include <frame.h>
  9 84b1cb73 2003-09-30 devnull #include "flayer.h"
 10 84b1cb73 2003-09-30 devnull #include "samterm.h"
 11 84b1cb73 2003-09-30 devnull 
 12 84b1cb73 2003-09-30 devnull Text	cmd;
 13 84b1cb73 2003-09-30 devnull Rune	*scratch;
 14 84b1cb73 2003-09-30 devnull long	nscralloc;
 15 84b1cb73 2003-09-30 devnull Cursor	*cursor;
 16 84b1cb73 2003-09-30 devnull Flayer	*which = 0;
 17 84b1cb73 2003-09-30 devnull Flayer	*work = 0;
 18 84b1cb73 2003-09-30 devnull long	snarflen;
 19 84b1cb73 2003-09-30 devnull long	typestart = -1;
 20 84b1cb73 2003-09-30 devnull long	typeend = -1;
 21 84b1cb73 2003-09-30 devnull long	typeesc = -1;
 22 84b1cb73 2003-09-30 devnull long	modified = 0;		/* strange lookahead for menus */
 23 84b1cb73 2003-09-30 devnull char	hostlock = 1;
 24 84b1cb73 2003-09-30 devnull char	hasunlocked = 0;
 25 84b1cb73 2003-09-30 devnull int	maxtab = 8;
 26 17ab31aa 2005-01-27 devnull int	chord;
 27 17ab31aa 2005-01-27 devnull int	autoindent;
 28 84b1cb73 2003-09-30 devnull 
 29 6bc22c7d 2005-01-30 devnull #define chording 0	/* code here for reference but it causes deadlocks */
 30 6bc22c7d 2005-01-30 devnull 
 31 84b1cb73 2003-09-30 devnull void
 32 84b1cb73 2003-09-30 devnull threadmain(int argc, char *argv[])
 33 84b1cb73 2003-09-30 devnull {
 34 17ab31aa 2005-01-27 devnull 	int i, got, scr, w;
 35 84b1cb73 2003-09-30 devnull 	Text *t;
 36 84b1cb73 2003-09-30 devnull 	Rectangle r;
 37 84b1cb73 2003-09-30 devnull 	Flayer *nwhich;
 38 941c9f36 2003-10-11 devnull 
 39 941c9f36 2003-10-11 devnull 	/*
 40 941c9f36 2003-10-11 devnull 	 * sam is talking to us on fd 0 and 1.
 41 941c9f36 2003-10-11 devnull 	 * move these elsewhere so that if we accidentally
 42 941c9f36 2003-10-11 devnull 	 * use 0 and 1 in other code, nothing bad happens.
 43 941c9f36 2003-10-11 devnull 	 */
 44 941c9f36 2003-10-11 devnull 	dup(0, 3);
 45 941c9f36 2003-10-11 devnull 	dup(1, 4);
 46 941c9f36 2003-10-11 devnull 	hostfd[0] = 3;
 47 941c9f36 2003-10-11 devnull 	hostfd[1] = 4;
 48 941c9f36 2003-10-11 devnull 	close(0);
 49 941c9f36 2003-10-11 devnull 	close(1);
 50 941c9f36 2003-10-11 devnull 	open("/dev/null", OREAD);
 51 a19ff5b2 2005-01-07 devnull 	if(open("/dev/tty", OWRITE) < 0)
 52 a19ff5b2 2005-01-07 devnull 		open("/dev/null", OWRITE);
 53 a19ff5b2 2005-01-07 devnull dup(2, 1);
 54 84b1cb73 2003-09-30 devnull 
 55 a19ff5b2 2005-01-07 devnull 	if(protodebug) print("getscreen\n");
 56 84b1cb73 2003-09-30 devnull 	getscreen(argc, argv);
 57 a19ff5b2 2005-01-07 devnull 	if(protodebug) print("iconinit\n");
 58 84b1cb73 2003-09-30 devnull 	iconinit();
 59 a19ff5b2 2005-01-07 devnull 	if(protodebug) print("initio\n");
 60 84b1cb73 2003-09-30 devnull 	initio();
 61 a19ff5b2 2005-01-07 devnull 	if(protodebug) print("scratch\n");
 62 84b1cb73 2003-09-30 devnull 	scratch = alloc(100*RUNESIZE);
 63 84b1cb73 2003-09-30 devnull 	nscralloc = 100;
 64 84b1cb73 2003-09-30 devnull 	r = screen->r;
 65 84b1cb73 2003-09-30 devnull 	r.max.y = r.min.y+Dy(r)/5;
 66 a19ff5b2 2005-01-07 devnull 	if(protodebug) print("flstart\n");
 67 84b1cb73 2003-09-30 devnull 	flstart(screen->clipr);
 68 84b1cb73 2003-09-30 devnull 	rinit(&cmd.rasp);
 69 84b1cb73 2003-09-30 devnull 	flnew(&cmd.l[0], gettext, 1, &cmd);
 70 84b1cb73 2003-09-30 devnull 	flinit(&cmd.l[0], r, font, cmdcols);
 71 84b1cb73 2003-09-30 devnull 	cmd.nwin = 1;
 72 84b1cb73 2003-09-30 devnull 	which = &cmd.l[0];
 73 84b1cb73 2003-09-30 devnull 	cmd.tag = Untagged;
 74 84b1cb73 2003-09-30 devnull 	outTs(Tversion, VERSION);
 75 84b1cb73 2003-09-30 devnull 	startnewfile(Tstartcmdfile, &cmd);
 76 84b1cb73 2003-09-30 devnull 
 77 84b1cb73 2003-09-30 devnull 	got = 0;
 78 a19ff5b2 2005-01-07 devnull 	if(protodebug) print("loop\n");
 79 84b1cb73 2003-09-30 devnull 	for(;;got = waitforio()){
 80 84b1cb73 2003-09-30 devnull 		if(hasunlocked && RESIZED())
 81 84b1cb73 2003-09-30 devnull 			resize();
 82 84b1cb73 2003-09-30 devnull 		if(got&(1<<RHost))
 83 84b1cb73 2003-09-30 devnull 			rcv();
 84 84b1cb73 2003-09-30 devnull 		if(got&(1<<RPlumb)){
 85 84b1cb73 2003-09-30 devnull 			for(i=0; cmd.l[i].textfn==0; i++)
 86 84b1cb73 2003-09-30 devnull 				;
 87 84b1cb73 2003-09-30 devnull 			current(&cmd.l[i]);
 88 84b1cb73 2003-09-30 devnull 			flsetselect(which, cmd.rasp.nrunes, cmd.rasp.nrunes);
 89 84b1cb73 2003-09-30 devnull 			type(which, RPlumb);
 90 84b1cb73 2003-09-30 devnull 		}
 91 84b1cb73 2003-09-30 devnull 		if(got&(1<<RKeyboard))
 92 84b1cb73 2003-09-30 devnull 			if(which)
 93 84b1cb73 2003-09-30 devnull 				type(which, RKeyboard);
 94 84b1cb73 2003-09-30 devnull 			else
 95 84b1cb73 2003-09-30 devnull 				kbdblock();
 96 84b1cb73 2003-09-30 devnull 		if(got&(1<<RMouse)){
 97 84b1cb73 2003-09-30 devnull 			if(hostlock==2 || !ptinrect(mousep->xy, screen->r)){
 98 84b1cb73 2003-09-30 devnull 				mouseunblock();
 99 84b1cb73 2003-09-30 devnull 				continue;
100 84b1cb73 2003-09-30 devnull 			}
101 84b1cb73 2003-09-30 devnull 			nwhich = flwhich(mousep->xy);
102 84b1cb73 2003-09-30 devnull 			scr = which && ptinrect(mousep->xy, which->scroll);
103 84b1cb73 2003-09-30 devnull 			if(mousep->buttons)
104 84b1cb73 2003-09-30 devnull 				flushtyping(1);
105 6bc22c7d 2005-01-30 devnull 			if(chording && chord==1 && !mousep->buttons)
106 17ab31aa 2005-01-27 devnull 				chord = 0;
107 6bc22c7d 2005-01-30 devnull 			if(chording && chord)
108 17ab31aa 2005-01-27 devnull 				chord |= mousep->buttons;
109 17ab31aa 2005-01-27 devnull 			else if(mousep->buttons&1){
110 84b1cb73 2003-09-30 devnull 				if(nwhich){
111 84b1cb73 2003-09-30 devnull 					if(nwhich!=which)
112 84b1cb73 2003-09-30 devnull 						current(nwhich);
113 84b1cb73 2003-09-30 devnull 					else if(scr)
114 84b1cb73 2003-09-30 devnull 						scroll(which, 1);
115 84b1cb73 2003-09-30 devnull 					else{
116 84b1cb73 2003-09-30 devnull 						t=(Text *)which->user1;
117 84b1cb73 2003-09-30 devnull 						if(flselect(which)){
118 84b1cb73 2003-09-30 devnull 							outTsl(Tdclick, t->tag, which->p0);
119 84b1cb73 2003-09-30 devnull 							t->lock++;
120 84b1cb73 2003-09-30 devnull 						}else if(t!=&cmd)
121 84b1cb73 2003-09-30 devnull 							outcmd();
122 17ab31aa 2005-01-27 devnull 						if(mousep->buttons&1)
123 17ab31aa 2005-01-27 devnull 							chord = mousep->buttons;
124 84b1cb73 2003-09-30 devnull 					}
125 84b1cb73 2003-09-30 devnull 				}
126 84b1cb73 2003-09-30 devnull 			}else if((mousep->buttons&2) && which){
127 84b1cb73 2003-09-30 devnull 				if(scr)
128 84b1cb73 2003-09-30 devnull 					scroll(which, 2);
129 84b1cb73 2003-09-30 devnull 				else
130 84b1cb73 2003-09-30 devnull 					menu2hit();
131 84b1cb73 2003-09-30 devnull 			}else if((mousep->buttons&4)){
132 84b1cb73 2003-09-30 devnull 				if(scr)
133 84b1cb73 2003-09-30 devnull 					scroll(which, 3);
134 84b1cb73 2003-09-30 devnull 				else
135 84b1cb73 2003-09-30 devnull 					menu3hit();
136 84b1cb73 2003-09-30 devnull 			}
137 84b1cb73 2003-09-30 devnull 			mouseunblock();
138 17ab31aa 2005-01-27 devnull 		}
139 6bc22c7d 2005-01-30 devnull 		if(chording && chord){
140 17ab31aa 2005-01-27 devnull 			t = (Text*)which->user1;
141 17ab31aa 2005-01-27 devnull 			if(!t->lock && !hostlock){
142 17ab31aa 2005-01-27 devnull 				w = which-t->l;
143 17ab31aa 2005-01-27 devnull 				if(chord&2){
144 17ab31aa 2005-01-27 devnull 					cut(t, w, 1, 1);
145 17ab31aa 2005-01-27 devnull 					chord &= ~2;
146 17ab31aa 2005-01-27 devnull 				}else if(chord&4){
147 17ab31aa 2005-01-27 devnull 					paste(t, w);
148 17ab31aa 2005-01-27 devnull 					chord &= ~4;
149 17ab31aa 2005-01-27 devnull 				}
150 17ab31aa 2005-01-27 devnull 			}
151 84b1cb73 2003-09-30 devnull 		}
152 84b1cb73 2003-09-30 devnull 	}
153 84b1cb73 2003-09-30 devnull }
154 84b1cb73 2003-09-30 devnull 
155 84b1cb73 2003-09-30 devnull void
156 84b1cb73 2003-09-30 devnull resize(void)
157 84b1cb73 2003-09-30 devnull {
158 84b1cb73 2003-09-30 devnull 	int i;
159 84b1cb73 2003-09-30 devnull 
160 84b1cb73 2003-09-30 devnull 	flresize(screen->clipr);
161 84b1cb73 2003-09-30 devnull 	for(i = 0; i<nname; i++)
162 84b1cb73 2003-09-30 devnull 		if(text[i])
163 84b1cb73 2003-09-30 devnull 			hcheck(text[i]->tag);
164 84b1cb73 2003-09-30 devnull }
165 84b1cb73 2003-09-30 devnull 
166 84b1cb73 2003-09-30 devnull void
167 84b1cb73 2003-09-30 devnull current(Flayer *nw)
168 84b1cb73 2003-09-30 devnull {
169 84b1cb73 2003-09-30 devnull 	Text *t;
170 84b1cb73 2003-09-30 devnull 
171 84b1cb73 2003-09-30 devnull 	if(which)
172 84b1cb73 2003-09-30 devnull 		flborder(which, 0);
173 84b1cb73 2003-09-30 devnull 	if(nw){
174 84b1cb73 2003-09-30 devnull 		flushtyping(1);
175 84b1cb73 2003-09-30 devnull 		flupfront(nw);
176 84b1cb73 2003-09-30 devnull 		flborder(nw, 1);
177 84b1cb73 2003-09-30 devnull 		buttons(Up);
178 84b1cb73 2003-09-30 devnull 		t = (Text *)nw->user1;
179 84b1cb73 2003-09-30 devnull 		t->front = nw-&t->l[0];
180 84b1cb73 2003-09-30 devnull 		if(t != &cmd)
181 84b1cb73 2003-09-30 devnull 			work = nw;
182 84b1cb73 2003-09-30 devnull 	}
183 84b1cb73 2003-09-30 devnull 	which = nw;
184 84b1cb73 2003-09-30 devnull }
185 84b1cb73 2003-09-30 devnull 
186 84b1cb73 2003-09-30 devnull void
187 84b1cb73 2003-09-30 devnull closeup(Flayer *l)
188 84b1cb73 2003-09-30 devnull {
189 84b1cb73 2003-09-30 devnull 	Text *t=(Text *)l->user1;
190 84b1cb73 2003-09-30 devnull 	int m;
191 84b1cb73 2003-09-30 devnull 
192 84b1cb73 2003-09-30 devnull 	m = whichmenu(t->tag);
193 84b1cb73 2003-09-30 devnull 	if(m < 0)
194 84b1cb73 2003-09-30 devnull 		return;
195 84b1cb73 2003-09-30 devnull 	flclose(l);
196 84b1cb73 2003-09-30 devnull 	if(l == which){
197 84b1cb73 2003-09-30 devnull 		which = 0;
198 84b1cb73 2003-09-30 devnull 		current(flwhich(Pt(0, 0)));
199 84b1cb73 2003-09-30 devnull 	}
200 84b1cb73 2003-09-30 devnull 	if(l == work)
201 84b1cb73 2003-09-30 devnull 		work = 0;
202 84b1cb73 2003-09-30 devnull 	if(--t->nwin == 0){
203 84b1cb73 2003-09-30 devnull 		rclear(&t->rasp);
204 84b1cb73 2003-09-30 devnull 		free((uchar *)t);
205 84b1cb73 2003-09-30 devnull 		text[m] = 0;
206 84b1cb73 2003-09-30 devnull 	}else if(l == &t->l[t->front]){
207 84b1cb73 2003-09-30 devnull 		for(m=0; m<NL; m++)	/* find one; any one will do */
208 84b1cb73 2003-09-30 devnull 			if(t->l[m].textfn){
209 84b1cb73 2003-09-30 devnull 				t->front = m;
210 84b1cb73 2003-09-30 devnull 				return;
211 84b1cb73 2003-09-30 devnull 			}
212 84b1cb73 2003-09-30 devnull 		panic("close");
213 84b1cb73 2003-09-30 devnull 	}
214 84b1cb73 2003-09-30 devnull }
215 84b1cb73 2003-09-30 devnull 
216 84b1cb73 2003-09-30 devnull Flayer *
217 84b1cb73 2003-09-30 devnull findl(Text *t)
218 84b1cb73 2003-09-30 devnull {
219 84b1cb73 2003-09-30 devnull 	int i;
220 84b1cb73 2003-09-30 devnull 	for(i = 0; i<NL; i++)
221 84b1cb73 2003-09-30 devnull 		if(t->l[i].textfn==0)
222 84b1cb73 2003-09-30 devnull 			return &t->l[i];
223 84b1cb73 2003-09-30 devnull 	return 0;
224 84b1cb73 2003-09-30 devnull }
225 84b1cb73 2003-09-30 devnull 
226 84b1cb73 2003-09-30 devnull void
227 84b1cb73 2003-09-30 devnull duplicate(Flayer *l, Rectangle r, Font *f, int close)
228 84b1cb73 2003-09-30 devnull {
229 84b1cb73 2003-09-30 devnull 	Text *t=(Text *)l->user1;
230 84b1cb73 2003-09-30 devnull 	Flayer *nl = findl(t);
231 84b1cb73 2003-09-30 devnull 	Rune *rp;
232 84b1cb73 2003-09-30 devnull 	ulong n;
233 84b1cb73 2003-09-30 devnull 
234 84b1cb73 2003-09-30 devnull 	if(nl){
235 84b1cb73 2003-09-30 devnull 		flnew(nl, gettext, l->user0, (char *)t);
236 84b1cb73 2003-09-30 devnull 		flinit(nl, r, f, l->f.cols);
237 84b1cb73 2003-09-30 devnull 		nl->origin = l->origin;
238 84b1cb73 2003-09-30 devnull 		rp = (*l->textfn)(l, l->f.nchars, &n);
239 84b1cb73 2003-09-30 devnull 		flinsert(nl, rp, rp+n, l->origin);
240 84b1cb73 2003-09-30 devnull 		flsetselect(nl, l->p0, l->p1);
241 84b1cb73 2003-09-30 devnull 		if(close){
242 84b1cb73 2003-09-30 devnull 			flclose(l);
243 84b1cb73 2003-09-30 devnull 			if(l==which)
244 84b1cb73 2003-09-30 devnull 				which = 0;
245 84b1cb73 2003-09-30 devnull 		}else
246 84b1cb73 2003-09-30 devnull 			t->nwin++;
247 84b1cb73 2003-09-30 devnull 		current(nl);
248 84b1cb73 2003-09-30 devnull 		hcheck(t->tag);
249 84b1cb73 2003-09-30 devnull 	}
250 84b1cb73 2003-09-30 devnull 	setcursor(mousectl, cursor);
251 84b1cb73 2003-09-30 devnull }
252 84b1cb73 2003-09-30 devnull 
253 84b1cb73 2003-09-30 devnull void
254 84b1cb73 2003-09-30 devnull buttons(int updown)
255 84b1cb73 2003-09-30 devnull {
256 84b1cb73 2003-09-30 devnull 	while(((mousep->buttons&7)!=0) != updown)
257 84b1cb73 2003-09-30 devnull 		getmouse();
258 84b1cb73 2003-09-30 devnull }
259 84b1cb73 2003-09-30 devnull 
260 84b1cb73 2003-09-30 devnull int
261 84b1cb73 2003-09-30 devnull getr(Rectangle *rp)
262 84b1cb73 2003-09-30 devnull {
263 84b1cb73 2003-09-30 devnull 	Point p;
264 84b1cb73 2003-09-30 devnull 	Rectangle r;
265 84b1cb73 2003-09-30 devnull 
266 84b1cb73 2003-09-30 devnull 	*rp = getrect(3, mousectl);
267 84b1cb73 2003-09-30 devnull 	if(rp->max.x && rp->max.x-rp->min.x<=5 && rp->max.y-rp->min.y<=5){
268 84b1cb73 2003-09-30 devnull 		p = rp->min;
269 84b1cb73 2003-09-30 devnull 		r = cmd.l[cmd.front].entire;
270 84b1cb73 2003-09-30 devnull 		*rp = screen->r;
271 84b1cb73 2003-09-30 devnull 		if(cmd.nwin==1){
272 84b1cb73 2003-09-30 devnull 			if (p.y <= r.min.y)
273 84b1cb73 2003-09-30 devnull 				rp->max.y = r.min.y;
274 84b1cb73 2003-09-30 devnull 			else if (p.y >= r.max.y)
275 84b1cb73 2003-09-30 devnull 				rp->min.y = r.max.y;
276 84b1cb73 2003-09-30 devnull 			if (p.x <= r.min.x)
277 84b1cb73 2003-09-30 devnull 				rp->max.x = r.min.x;
278 84b1cb73 2003-09-30 devnull 			else if (p.x >= r.max.x)
279 84b1cb73 2003-09-30 devnull 				rp->min.x = r.max.x;
280 84b1cb73 2003-09-30 devnull 		}
281 84b1cb73 2003-09-30 devnull 	}
282 84b1cb73 2003-09-30 devnull 	return rectclip(rp, screen->r) &&
283 84b1cb73 2003-09-30 devnull 	   rp->max.x-rp->min.x>100 && rp->max.y-rp->min.y>40;
284 84b1cb73 2003-09-30 devnull }
285 84b1cb73 2003-09-30 devnull 
286 84b1cb73 2003-09-30 devnull void
287 84b1cb73 2003-09-30 devnull snarf(Text *t, int w)
288 84b1cb73 2003-09-30 devnull {
289 84b1cb73 2003-09-30 devnull 	Flayer *l = &t->l[w];
290 84b1cb73 2003-09-30 devnull 
291 84b1cb73 2003-09-30 devnull 	if(l->p1>l->p0){
292 84b1cb73 2003-09-30 devnull 		snarflen = l->p1-l->p0;
293 84b1cb73 2003-09-30 devnull 		outTsll(Tsnarf, t->tag, l->p0, l->p1);
294 84b1cb73 2003-09-30 devnull 	}
295 84b1cb73 2003-09-30 devnull }
296 84b1cb73 2003-09-30 devnull 
297 84b1cb73 2003-09-30 devnull void
298 84b1cb73 2003-09-30 devnull cut(Text *t, int w, int save, int check)
299 84b1cb73 2003-09-30 devnull {
300 84b1cb73 2003-09-30 devnull 	long p0, p1;
301 84b1cb73 2003-09-30 devnull 	Flayer *l;
302 84b1cb73 2003-09-30 devnull 
303 84b1cb73 2003-09-30 devnull 	l = &t->l[w];
304 84b1cb73 2003-09-30 devnull 	p0 = l->p0;
305 84b1cb73 2003-09-30 devnull 	p1 = l->p1;
306 84b1cb73 2003-09-30 devnull 	if(p0 == p1)
307 84b1cb73 2003-09-30 devnull 		return;
308 84b1cb73 2003-09-30 devnull 	if(p0 < 0)
309 84b1cb73 2003-09-30 devnull 		panic("cut");
310 84b1cb73 2003-09-30 devnull 	if(save)
311 84b1cb73 2003-09-30 devnull 		snarf(t, w);
312 84b1cb73 2003-09-30 devnull 	outTsll(Tcut, t->tag, p0, p1);
313 84b1cb73 2003-09-30 devnull 	flsetselect(l, p0, p0);
314 84b1cb73 2003-09-30 devnull 	t->lock++;
315 84b1cb73 2003-09-30 devnull 	hcut(t->tag, p0, p1-p0);
316 84b1cb73 2003-09-30 devnull 	if(check)
317 84b1cb73 2003-09-30 devnull 		hcheck(t->tag);
318 84b1cb73 2003-09-30 devnull }
319 84b1cb73 2003-09-30 devnull 
320 84b1cb73 2003-09-30 devnull void
321 84b1cb73 2003-09-30 devnull paste(Text *t, int w)
322 84b1cb73 2003-09-30 devnull {
323 84b1cb73 2003-09-30 devnull 	if(snarflen){
324 84b1cb73 2003-09-30 devnull 		cut(t, w, 0, 0);
325 84b1cb73 2003-09-30 devnull 		t->lock++;
326 84b1cb73 2003-09-30 devnull 		outTsl(Tpaste, t->tag, t->l[w].p0);
327 84b1cb73 2003-09-30 devnull 	}
328 84b1cb73 2003-09-30 devnull }
329 84b1cb73 2003-09-30 devnull 
330 84b1cb73 2003-09-30 devnull void
331 84b1cb73 2003-09-30 devnull scrorigin(Flayer *l, int but, long p0)
332 84b1cb73 2003-09-30 devnull {
333 84b1cb73 2003-09-30 devnull 	Text *t=(Text *)l->user1;
334 84b1cb73 2003-09-30 devnull 
335 84b1cb73 2003-09-30 devnull 	switch(but){
336 84b1cb73 2003-09-30 devnull 	case 1:
337 84b1cb73 2003-09-30 devnull 		outTsll(Torigin, t->tag, l->origin, p0);
338 84b1cb73 2003-09-30 devnull 		break;
339 84b1cb73 2003-09-30 devnull 	case 2:
340 84b1cb73 2003-09-30 devnull 		outTsll(Torigin, t->tag, p0, 1L);
341 84b1cb73 2003-09-30 devnull 		break;
342 84b1cb73 2003-09-30 devnull 	case 3:
343 84b1cb73 2003-09-30 devnull 		horigin(t->tag,p0);
344 84b1cb73 2003-09-30 devnull 	}
345 84b1cb73 2003-09-30 devnull }
346 84b1cb73 2003-09-30 devnull 
347 84b1cb73 2003-09-30 devnull int
348 84b1cb73 2003-09-30 devnull alnum(int c)
349 84b1cb73 2003-09-30 devnull {
350 84b1cb73 2003-09-30 devnull 	/*
351 84b1cb73 2003-09-30 devnull 	 * Hard to get absolutely right.  Use what we know about ASCII
352 84b1cb73 2003-09-30 devnull 	 * and assume anything above the Latin control characters is
353 84b1cb73 2003-09-30 devnull 	 * potentially an alphanumeric.
354 84b1cb73 2003-09-30 devnull 	 */
355 84b1cb73 2003-09-30 devnull 	if(c<=' ')
356 84b1cb73 2003-09-30 devnull 		return 0;
357 84b1cb73 2003-09-30 devnull 	if(0x7F<=c && c<=0xA0)
358 84b1cb73 2003-09-30 devnull 		return 0;
359 84b1cb73 2003-09-30 devnull 	if(utfrune("!\"#$%&'()*+,-./:;<=>?@[\\]^`{|}~", c))
360 84b1cb73 2003-09-30 devnull 		return 0;
361 84b1cb73 2003-09-30 devnull 	return 1;
362 84b1cb73 2003-09-30 devnull }
363 84b1cb73 2003-09-30 devnull 
364 84b1cb73 2003-09-30 devnull int
365 84b1cb73 2003-09-30 devnull raspc(Rasp *r, long p)
366 84b1cb73 2003-09-30 devnull {
367 84b1cb73 2003-09-30 devnull 	ulong n;
368 84b1cb73 2003-09-30 devnull 	rload(r, p, p+1, &n);
369 84b1cb73 2003-09-30 devnull 	if(n)
370 84b1cb73 2003-09-30 devnull 		return scratch[0];
371 84b1cb73 2003-09-30 devnull 	return 0;
372 84b1cb73 2003-09-30 devnull }
373 84b1cb73 2003-09-30 devnull 
374 84b1cb73 2003-09-30 devnull long
375 84b1cb73 2003-09-30 devnull ctlw(Rasp *r, long o, long p)
376 84b1cb73 2003-09-30 devnull {
377 84b1cb73 2003-09-30 devnull 	int c;
378 84b1cb73 2003-09-30 devnull 
379 84b1cb73 2003-09-30 devnull 	if(--p < o)
380 84b1cb73 2003-09-30 devnull 		return o;
381 84b1cb73 2003-09-30 devnull 	if(raspc(r, p)=='\n')
382 84b1cb73 2003-09-30 devnull 		return p;
383 84b1cb73 2003-09-30 devnull 	for(; p>=o && !alnum(c=raspc(r, p)); --p)
384 84b1cb73 2003-09-30 devnull 		if(c=='\n')
385 84b1cb73 2003-09-30 devnull 			return p+1;
386 84b1cb73 2003-09-30 devnull 	for(; p>o && alnum(raspc(r, p-1)); --p)
387 84b1cb73 2003-09-30 devnull 		;
388 84b1cb73 2003-09-30 devnull 	return p>=o? p : o;
389 84b1cb73 2003-09-30 devnull }
390 84b1cb73 2003-09-30 devnull 
391 84b1cb73 2003-09-30 devnull long
392 84b1cb73 2003-09-30 devnull ctlu(Rasp *r, long o, long p)
393 84b1cb73 2003-09-30 devnull {
394 17f13194 2003-11-23 devnull 	if(--p < o)
395 17f13194 2003-11-23 devnull 		return o;
396 17f13194 2003-11-23 devnull 	if(raspc(r, p)=='\n')
397 17f13194 2003-11-23 devnull 		return p;
398 84b1cb73 2003-09-30 devnull 	for(; p-1>=o && raspc(r, p-1)!='\n'; --p)
399 84b1cb73 2003-09-30 devnull 		;
400 84b1cb73 2003-09-30 devnull 	return p>=o? p : o;
401 84b1cb73 2003-09-30 devnull }
402 84b1cb73 2003-09-30 devnull 
403 84b1cb73 2003-09-30 devnull int
404 84b1cb73 2003-09-30 devnull center(Flayer *l, long a)
405 84b1cb73 2003-09-30 devnull {
406 84b1cb73 2003-09-30 devnull 	Text *t;
407 84b1cb73 2003-09-30 devnull 
408 84b1cb73 2003-09-30 devnull 	t = l->user1;
409 84b1cb73 2003-09-30 devnull 	if(!t->lock && (a<l->origin || l->origin+l->f.nchars<a)){
410 84b1cb73 2003-09-30 devnull 		if(a > t->rasp.nrunes)
411 84b1cb73 2003-09-30 devnull 			a = t->rasp.nrunes;
412 84b1cb73 2003-09-30 devnull 		outTsll(Torigin, t->tag, a, 2L);
413 84b1cb73 2003-09-30 devnull 		return 1;
414 84b1cb73 2003-09-30 devnull 	}
415 84b1cb73 2003-09-30 devnull 	return 0;
416 84b1cb73 2003-09-30 devnull }
417 84b1cb73 2003-09-30 devnull 
418 84b1cb73 2003-09-30 devnull int
419 17ab31aa 2005-01-27 devnull thirds(Flayer *l, long a, int n)
420 84b1cb73 2003-09-30 devnull {
421 84b1cb73 2003-09-30 devnull 	Text *t;
422 84b1cb73 2003-09-30 devnull 	Rectangle s;
423 84b1cb73 2003-09-30 devnull 	long lines;
424 84b1cb73 2003-09-30 devnull 
425 84b1cb73 2003-09-30 devnull 	t = l->user1;
426 84b1cb73 2003-09-30 devnull 	if(!t->lock && (a<l->origin || l->origin+l->f.nchars<a)){
427 84b1cb73 2003-09-30 devnull 		if(a > t->rasp.nrunes)
428 84b1cb73 2003-09-30 devnull 			a = t->rasp.nrunes;
429 84b1cb73 2003-09-30 devnull 		s = insetrect(l->scroll, 1);
430 17ab31aa 2005-01-27 devnull 		lines = (n*(s.max.y-s.min.y)/l->f.font->height+1)/3;
431 84b1cb73 2003-09-30 devnull 		if (lines < 2)
432 84b1cb73 2003-09-30 devnull 			lines = 2;
433 84b1cb73 2003-09-30 devnull 		outTsll(Torigin, t->tag, a, lines);
434 84b1cb73 2003-09-30 devnull 		return 1;
435 84b1cb73 2003-09-30 devnull 	}
436 84b1cb73 2003-09-30 devnull 	return 0;
437 84b1cb73 2003-09-30 devnull }
438 84b1cb73 2003-09-30 devnull 
439 17ab31aa 2005-01-27 devnull int
440 17ab31aa 2005-01-27 devnull onethird(Flayer *l, long a)
441 17ab31aa 2005-01-27 devnull {
442 17ab31aa 2005-01-27 devnull 	return thirds(l, a, 1);
443 17ab31aa 2005-01-27 devnull }
444 17ab31aa 2005-01-27 devnull 
445 17ab31aa 2005-01-27 devnull int
446 17ab31aa 2005-01-27 devnull twothirds(Flayer *l, long a)
447 17ab31aa 2005-01-27 devnull {
448 17ab31aa 2005-01-27 devnull 	return thirds(l, a, 2);
449 17ab31aa 2005-01-27 devnull }
450 17ab31aa 2005-01-27 devnull 
451 84b1cb73 2003-09-30 devnull void
452 84b1cb73 2003-09-30 devnull flushtyping(int clearesc)
453 84b1cb73 2003-09-30 devnull {
454 84b1cb73 2003-09-30 devnull 	Text *t;
455 84b1cb73 2003-09-30 devnull 	ulong n;
456 84b1cb73 2003-09-30 devnull 
457 84b1cb73 2003-09-30 devnull 	if(clearesc)
458 84b1cb73 2003-09-30 devnull 		typeesc = -1;	
459 84b1cb73 2003-09-30 devnull 	if(typestart == typeend) {
460 84b1cb73 2003-09-30 devnull 		modified = 0;
461 84b1cb73 2003-09-30 devnull 		return;
462 84b1cb73 2003-09-30 devnull 	}
463 84b1cb73 2003-09-30 devnull 	t = which->user1;
464 84b1cb73 2003-09-30 devnull 	if(t != &cmd)
465 84b1cb73 2003-09-30 devnull 		modified = 1;
466 84b1cb73 2003-09-30 devnull 	rload(&t->rasp, typestart, typeend, &n);
467 84b1cb73 2003-09-30 devnull 	scratch[n] = 0;
468 84b1cb73 2003-09-30 devnull 	if(t==&cmd && typeend==t->rasp.nrunes && scratch[typeend-typestart-1]=='\n'){
469 84b1cb73 2003-09-30 devnull 		setlock();
470 84b1cb73 2003-09-30 devnull 		outcmd();
471 84b1cb73 2003-09-30 devnull 	}
472 84b1cb73 2003-09-30 devnull 	outTslS(Ttype, t->tag, typestart, scratch);
473 84b1cb73 2003-09-30 devnull 	typestart = -1;
474 84b1cb73 2003-09-30 devnull 	typeend = -1;
475 84b1cb73 2003-09-30 devnull }
476 84b1cb73 2003-09-30 devnull 
477 84b1cb73 2003-09-30 devnull #define	BACKSCROLLKEY	Kup
478 6b6159b3 2005-03-18 devnull #define	ENDKEY	Kend
479 84b1cb73 2003-09-30 devnull #define	ESC		0x1B
480 09a5f197 2004-06-09 devnull #define	HOMEKEY	Khome
481 6b6159b3 2005-03-18 devnull #define	LEFTARROW	Kleft
482 6b6159b3 2005-03-18 devnull #define	LINEEND	0x05
483 6b6159b3 2005-03-18 devnull #define	LINESTART	0x01
484 09a5f197 2004-06-09 devnull #define	PAGEDOWN	Kpgdown
485 6b6159b3 2005-03-18 devnull #define	PAGEUP	Kpgup
486 6b6159b3 2005-03-18 devnull #define	RIGHTARROW	Kright
487 6b6159b3 2005-03-18 devnull #define	SCROLLKEY	Kdown
488 84b1cb73 2003-09-30 devnull 
489 09a5f197 2004-06-09 devnull int
490 8414847a 2004-06-25 devnull nontypingkey(int c)
491 09a5f197 2004-06-09 devnull {
492 6b6159b3 2005-03-18 devnull 	switch(c){
493 6b6159b3 2005-03-18 devnull 	case BACKSCROLLKEY:
494 6b6159b3 2005-03-18 devnull 	case ENDKEY:
495 6b6159b3 2005-03-18 devnull 	case HOMEKEY:
496 6b6159b3 2005-03-18 devnull 	case LEFTARROW:
497 6b6159b3 2005-03-18 devnull 	case LINEEND:
498 6b6159b3 2005-03-18 devnull 	case LINESTART:
499 6b6159b3 2005-03-18 devnull 	case PAGEDOWN:
500 6b6159b3 2005-03-18 devnull 	case PAGEUP:
501 6b6159b3 2005-03-18 devnull 	case RIGHTARROW:
502 6b6159b3 2005-03-18 devnull 	case SCROLLKEY:
503 6b6159b3 2005-03-18 devnull 		return 1;
504 6b6159b3 2005-03-18 devnull 	}
505 6b6159b3 2005-03-18 devnull 	return 0;
506 09a5f197 2004-06-09 devnull }
507 09a5f197 2004-06-09 devnull 
508 84b1cb73 2003-09-30 devnull void
509 84b1cb73 2003-09-30 devnull type(Flayer *l, int res)	/* what a bloody mess this is */
510 84b1cb73 2003-09-30 devnull {
511 84b1cb73 2003-09-30 devnull 	Text *t = (Text *)l->user1;
512 84b1cb73 2003-09-30 devnull 	Rune buf[100];
513 84b1cb73 2003-09-30 devnull 	Rune *p = buf;
514 84b1cb73 2003-09-30 devnull 	int c, backspacing;
515 84b1cb73 2003-09-30 devnull 	long a, a0;
516 84b1cb73 2003-09-30 devnull 	int scrollkey;
517 84b1cb73 2003-09-30 devnull 
518 84b1cb73 2003-09-30 devnull 	scrollkey = 0;
519 84b1cb73 2003-09-30 devnull 	if(res == RKeyboard)
520 09a5f197 2004-06-09 devnull 		scrollkey = nontypingkey(qpeekc());	/* ICK */
521 84b1cb73 2003-09-30 devnull 
522 84b1cb73 2003-09-30 devnull 	if(hostlock || t->lock){
523 84b1cb73 2003-09-30 devnull 		kbdblock();
524 84b1cb73 2003-09-30 devnull 		return;
525 84b1cb73 2003-09-30 devnull 	}
526 84b1cb73 2003-09-30 devnull 	a = l->p0;
527 84b1cb73 2003-09-30 devnull 	if(a!=l->p1 && !scrollkey){
528 84b1cb73 2003-09-30 devnull 		flushtyping(1);
529 84b1cb73 2003-09-30 devnull 		cut(t, t->front, 1, 1);
530 84b1cb73 2003-09-30 devnull 		return;	/* it may now be locked */
531 84b1cb73 2003-09-30 devnull 	}
532 84b1cb73 2003-09-30 devnull 	backspacing = 0;
533 84b1cb73 2003-09-30 devnull 	while((c = kbdchar())>0){
534 84b1cb73 2003-09-30 devnull 		if(res == RKeyboard){
535 09a5f197 2004-06-09 devnull 			if(nontypingkey(c) || c==ESC)
536 84b1cb73 2003-09-30 devnull 				break;
537 84b1cb73 2003-09-30 devnull 			/* backspace, ctrl-u, ctrl-w, del */
538 84b1cb73 2003-09-30 devnull 			if(c=='\b' || c==0x15 || c==0x17 || c==0x7F){
539 84b1cb73 2003-09-30 devnull 				backspacing = 1;
540 84b1cb73 2003-09-30 devnull 				break;
541 84b1cb73 2003-09-30 devnull 			}
542 84b1cb73 2003-09-30 devnull 		}
543 84b1cb73 2003-09-30 devnull 		*p++ = c;
544 17ab31aa 2005-01-27 devnull 		if(autoindent)
545 17ab31aa 2005-01-27 devnull 		if(c == '\n'){
546 17ab31aa 2005-01-27 devnull 			/* autoindent */
547 17ab31aa 2005-01-27 devnull 			int cursor, ch;
548 17ab31aa 2005-01-27 devnull 			cursor = ctlu(&t->rasp, 0, a+(p-buf)-1);
549 17ab31aa 2005-01-27 devnull 			while(p < buf+nelem(buf)){
550 17ab31aa 2005-01-27 devnull 				ch = raspc(&t->rasp, cursor++);
551 17ab31aa 2005-01-27 devnull 				if(ch == ' ' || ch == '\t')
552 17ab31aa 2005-01-27 devnull 					*p++ = ch;
553 17ab31aa 2005-01-27 devnull 				else
554 17ab31aa 2005-01-27 devnull 					break;
555 17ab31aa 2005-01-27 devnull 			}
556 17ab31aa 2005-01-27 devnull 		}
557 17ab31aa 2005-01-27 devnull 		if(c == '\n' || p >= buf+nelem(buf))
558 84b1cb73 2003-09-30 devnull 			break;
559 84b1cb73 2003-09-30 devnull 	}
560 84b1cb73 2003-09-30 devnull 	if(p > buf){
561 84b1cb73 2003-09-30 devnull 		if(typestart < 0)
562 84b1cb73 2003-09-30 devnull 			typestart = a;
563 84b1cb73 2003-09-30 devnull 		if(typeesc < 0)
564 84b1cb73 2003-09-30 devnull 			typeesc = a;
565 84b1cb73 2003-09-30 devnull 		hgrow(t->tag, a, p-buf, 0);
566 84b1cb73 2003-09-30 devnull 		t->lock++;	/* pretend we Trequest'ed for hdatarune*/
567 84b1cb73 2003-09-30 devnull 		hdatarune(t->tag, a, buf, p-buf);
568 84b1cb73 2003-09-30 devnull 		a += p-buf;
569 84b1cb73 2003-09-30 devnull 		l->p0 = a;
570 84b1cb73 2003-09-30 devnull 		l->p1 = a;
571 84b1cb73 2003-09-30 devnull 		typeend = a;
572 84b1cb73 2003-09-30 devnull 		if(c=='\n' || typeend-typestart>100)
573 84b1cb73 2003-09-30 devnull 			flushtyping(0);
574 84b1cb73 2003-09-30 devnull 		onethird(l, a);
575 84b1cb73 2003-09-30 devnull 	}
576 09a5f197 2004-06-09 devnull 	if(c==SCROLLKEY || c==PAGEDOWN){
577 84b1cb73 2003-09-30 devnull 		flushtyping(0);
578 84b1cb73 2003-09-30 devnull 		center(l, l->origin+l->f.nchars+1);
579 09a5f197 2004-06-09 devnull 	}else if(c==BACKSCROLLKEY || c==PAGEUP){
580 84b1cb73 2003-09-30 devnull 		flushtyping(0);
581 84b1cb73 2003-09-30 devnull 		a0 = l->origin-l->f.nchars;
582 84b1cb73 2003-09-30 devnull 		if(a0 < 0)
583 84b1cb73 2003-09-30 devnull 			a0 = 0;
584 84b1cb73 2003-09-30 devnull 		center(l, a0);
585 09a5f197 2004-06-09 devnull 	}else if(c == RIGHTARROW){
586 09a5f197 2004-06-09 devnull 		flushtyping(0);
587 09a5f197 2004-06-09 devnull 		a0 = l->p0;
588 09a5f197 2004-06-09 devnull 		if(a0 < t->rasp.nrunes)
589 09a5f197 2004-06-09 devnull 			a0++;
590 09a5f197 2004-06-09 devnull 		flsetselect(l, a0, a0);
591 09a5f197 2004-06-09 devnull 		center(l, a0);
592 09a5f197 2004-06-09 devnull 	}else if(c == LEFTARROW){
593 09a5f197 2004-06-09 devnull 		flushtyping(0);
594 09a5f197 2004-06-09 devnull 		a0 = l->p0;
595 09a5f197 2004-06-09 devnull 		if(a0 > 0)
596 09a5f197 2004-06-09 devnull 			a0--;
597 09a5f197 2004-06-09 devnull 		flsetselect(l, a0, a0);
598 09a5f197 2004-06-09 devnull 		center(l, a0);
599 09a5f197 2004-06-09 devnull 	}else if(c == HOMEKEY){
600 09a5f197 2004-06-09 devnull 		flushtyping(0);
601 09a5f197 2004-06-09 devnull 		center(l, 0);
602 09a5f197 2004-06-09 devnull 	}else if(c == ENDKEY){
603 09a5f197 2004-06-09 devnull 		flushtyping(0);
604 09a5f197 2004-06-09 devnull 		center(l, t->rasp.nrunes);
605 6b6159b3 2005-03-18 devnull 	}else if(c == LINESTART || c == LINEEND){
606 6b6159b3 2005-03-18 devnull 		flushtyping(1);
607 6b6159b3 2005-03-18 devnull 		if(c == LINESTART)
608 6b6159b3 2005-03-18 devnull 			while(a > 0 && raspc(&t->rasp, a-1)!='\n')
609 6b6159b3 2005-03-18 devnull 				a--;
610 6b6159b3 2005-03-18 devnull 		else
611 6b6159b3 2005-03-18 devnull 			while(a < t->rasp.nrunes && raspc(&t->rasp, a)!='\n')
612 6b6159b3 2005-03-18 devnull 				a++;
613 6b6159b3 2005-03-18 devnull 		l->p0 = l->p1 = a;
614 6b6159b3 2005-03-18 devnull 		for(l=t->l; l<&t->l[NL]; l++)
615 6b6159b3 2005-03-18 devnull 			if(l->textfn)
616 6b6159b3 2005-03-18 devnull 				flsetselect(l, l->p0, l->p1);
617 84b1cb73 2003-09-30 devnull 	}else if(backspacing && !hostlock){
618 ac9d504d 2004-06-17 devnull 		/* backspacing immediately after outcmd(): sorry */
619 84b1cb73 2003-09-30 devnull 		if(l->f.p0>0 && a>0){
620 84b1cb73 2003-09-30 devnull 			switch(c){
621 84b1cb73 2003-09-30 devnull 			case '\b':
622 84b1cb73 2003-09-30 devnull 			case 0x7F:	/* del */
623 84b1cb73 2003-09-30 devnull 				l->p0 = a-1;
624 84b1cb73 2003-09-30 devnull 				break;
625 84b1cb73 2003-09-30 devnull 			case 0x15:	/* ctrl-u */
626 84b1cb73 2003-09-30 devnull 				l->p0 = ctlu(&t->rasp, l->origin, a);
627 84b1cb73 2003-09-30 devnull 				break;
628 84b1cb73 2003-09-30 devnull 			case 0x17:	/* ctrl-w */
629 84b1cb73 2003-09-30 devnull 				l->p0 = ctlw(&t->rasp, l->origin, a);
630 84b1cb73 2003-09-30 devnull 				break;
631 84b1cb73 2003-09-30 devnull 			}
632 84b1cb73 2003-09-30 devnull 			l->p1 = a;
633 84b1cb73 2003-09-30 devnull 			if(l->p1 != l->p0){
634 84b1cb73 2003-09-30 devnull 				/* cut locally if possible */
635 84b1cb73 2003-09-30 devnull 				if(typestart<=l->p0 && l->p1<=typeend){
636 84b1cb73 2003-09-30 devnull 					t->lock++;	/* to call hcut */
637 84b1cb73 2003-09-30 devnull 					hcut(t->tag, l->p0, l->p1-l->p0);
638 84b1cb73 2003-09-30 devnull 					/* hcheck is local because we know rasp is contiguous */
639 84b1cb73 2003-09-30 devnull 					hcheck(t->tag);
640 84b1cb73 2003-09-30 devnull 				}else{
641 84b1cb73 2003-09-30 devnull 					flushtyping(0);
642 84b1cb73 2003-09-30 devnull 					cut(t, t->front, 0, 1);
643 84b1cb73 2003-09-30 devnull 				}
644 84b1cb73 2003-09-30 devnull 			}
645 84b1cb73 2003-09-30 devnull 			if(typeesc >= l->p0)
646 84b1cb73 2003-09-30 devnull 				typeesc = l->p0;
647 84b1cb73 2003-09-30 devnull 			if(typestart >= 0){
648 84b1cb73 2003-09-30 devnull 				if(typestart >= l->p0)
649 84b1cb73 2003-09-30 devnull 					typestart = l->p0;
650 84b1cb73 2003-09-30 devnull 				typeend = l->p0;
651 84b1cb73 2003-09-30 devnull 				if(typestart == typeend){
652 84b1cb73 2003-09-30 devnull 					typestart = -1;
653 84b1cb73 2003-09-30 devnull 					typeend = -1;
654 84b1cb73 2003-09-30 devnull 					modified = 0;
655 84b1cb73 2003-09-30 devnull 				}
656 84b1cb73 2003-09-30 devnull 			}
657 84b1cb73 2003-09-30 devnull 		}
658 84b1cb73 2003-09-30 devnull 	}else{
659 84b1cb73 2003-09-30 devnull 		if(c==ESC && typeesc>=0){
660 84b1cb73 2003-09-30 devnull 			l->p0 = typeesc;
661 84b1cb73 2003-09-30 devnull 			l->p1 = a;
662 84b1cb73 2003-09-30 devnull 			flushtyping(1);
663 84b1cb73 2003-09-30 devnull 		}
664 84b1cb73 2003-09-30 devnull 		for(l=t->l; l<&t->l[NL]; l++)
665 84b1cb73 2003-09-30 devnull 			if(l->textfn)
666 84b1cb73 2003-09-30 devnull 				flsetselect(l, l->p0, l->p1);
667 84b1cb73 2003-09-30 devnull 	}
668 84b1cb73 2003-09-30 devnull }
669 84b1cb73 2003-09-30 devnull 
670 84b1cb73 2003-09-30 devnull 
671 84b1cb73 2003-09-30 devnull void
672 84b1cb73 2003-09-30 devnull outcmd(void){
673 84b1cb73 2003-09-30 devnull 	if(work)
674 84b1cb73 2003-09-30 devnull 		outTsll(Tworkfile, ((Text *)work->user1)->tag, work->p0, work->p1);
675 84b1cb73 2003-09-30 devnull }
676 84b1cb73 2003-09-30 devnull 
677 84b1cb73 2003-09-30 devnull void
678 84b1cb73 2003-09-30 devnull panic(char *s)
679 84b1cb73 2003-09-30 devnull {
680 84b1cb73 2003-09-30 devnull 	panic1(display, s);
681 84b1cb73 2003-09-30 devnull }
682 84b1cb73 2003-09-30 devnull 
683 84b1cb73 2003-09-30 devnull void
684 84b1cb73 2003-09-30 devnull panic1(Display *d, char *s)
685 84b1cb73 2003-09-30 devnull {
686 84b1cb73 2003-09-30 devnull 	fprint(2, "samterm:panic: ");
687 84b1cb73 2003-09-30 devnull 	perror(s);
688 84b1cb73 2003-09-30 devnull 	abort();
689 84b1cb73 2003-09-30 devnull }
690 84b1cb73 2003-09-30 devnull 
691 84b1cb73 2003-09-30 devnull Rune*
692 84b1cb73 2003-09-30 devnull gettext(Flayer *l, long n, ulong *np)
693 84b1cb73 2003-09-30 devnull {
694 84b1cb73 2003-09-30 devnull 	Text *t;
695 84b1cb73 2003-09-30 devnull 
696 84b1cb73 2003-09-30 devnull 	t = l->user1;
697 84b1cb73 2003-09-30 devnull 	rload(&t->rasp, l->origin, l->origin+n, np);
698 84b1cb73 2003-09-30 devnull 	return scratch;
699 84b1cb73 2003-09-30 devnull }
700 84b1cb73 2003-09-30 devnull 
701 84b1cb73 2003-09-30 devnull long
702 84b1cb73 2003-09-30 devnull scrtotal(Flayer *l)
703 84b1cb73 2003-09-30 devnull {
704 84b1cb73 2003-09-30 devnull 	return ((Text *)l->user1)->rasp.nrunes;
705 84b1cb73 2003-09-30 devnull }
706 84b1cb73 2003-09-30 devnull 
707 84b1cb73 2003-09-30 devnull void*
708 84b1cb73 2003-09-30 devnull alloc(ulong n)
709 84b1cb73 2003-09-30 devnull {
710 84b1cb73 2003-09-30 devnull 	void *p;
711 84b1cb73 2003-09-30 devnull 
712 84b1cb73 2003-09-30 devnull 	p = malloc(n);
713 84b1cb73 2003-09-30 devnull 	if(p == 0)
714 84b1cb73 2003-09-30 devnull 		panic("alloc");
715 84b1cb73 2003-09-30 devnull 	memset(p, 0, n);
716 84b1cb73 2003-09-30 devnull 	return p;
717 84b1cb73 2003-09-30 devnull }