1 b3994ec5 2003-12-11 devnull #include <u.h>
  2 b3994ec5 2003-12-11 devnull #include <libc.h>
  3 b3994ec5 2003-12-11 devnull #include <draw.h>
  4 b3994ec5 2003-12-11 devnull #include <thread.h>
  5 b3994ec5 2003-12-11 devnull #include <cursor.h>
  6 b3994ec5 2003-12-11 devnull #include <mouse.h>
  7 b3994ec5 2003-12-11 devnull #include <keyboard.h>
  8 b3994ec5 2003-12-11 devnull #include <frame.h>
  9 b3994ec5 2003-12-11 devnull #include <fcall.h>
 10 b3994ec5 2003-12-11 devnull #include <plumb.h>
 11 b3994ec5 2003-12-11 devnull #include "dat.h"
 12 b3994ec5 2003-12-11 devnull #include "fns.h"
 13 b3994ec5 2003-12-11 devnull 
 14 b3994ec5 2003-12-11 devnull int	winid;
 15 b3994ec5 2003-12-11 devnull 
 16 b3994ec5 2003-12-11 devnull void
 17 b3994ec5 2003-12-11 devnull wininit(Window *w, Window *clone, Rectangle r)
 18 b3994ec5 2003-12-11 devnull {
 19 b3994ec5 2003-12-11 devnull 	Rectangle r1, br;
 20 b3994ec5 2003-12-11 devnull 	File *f;
 21 b3994ec5 2003-12-11 devnull 	Reffont *rf;
 22 b3994ec5 2003-12-11 devnull 	Rune *rp;
 23 b3994ec5 2003-12-11 devnull 	int nc;
 24 b3994ec5 2003-12-11 devnull 
 25 b3994ec5 2003-12-11 devnull 	w->tag.w = w;
 26 33dc4226 2005-10-31 devnull 	w->taglines = 1;
 27 768d880d 2005-12-21 devnull 	w->tagexpand = TRUE;
 28 b3994ec5 2003-12-11 devnull 	w->body.w = w;
 29 b3994ec5 2003-12-11 devnull 	w->id = ++winid;
 30 b3994ec5 2003-12-11 devnull 	incref(&w->ref);
 31 5a8e63b2 2004-02-29 devnull 	if(globalincref)
 32 5a8e63b2 2004-02-29 devnull 		incref(&w->ref);
 33 b3994ec5 2003-12-11 devnull 	w->ctlfid = ~0;
 34 b3994ec5 2003-12-11 devnull 	w->utflastqid = -1;
 35 b3994ec5 2003-12-11 devnull 	r1 = r;
 36 d5233ccb 2005-10-31 devnull 
 37 33dc4226 2005-10-31 devnull 	w->tagtop = r;
 38 33dc4226 2005-10-31 devnull 	w->tagtop.max.y = r.min.y + font->height;
 39 33dc4226 2005-10-31 devnull 	r1.max.y = r1.min.y + w->taglines*font->height;
 40 a2db69c8 2008-03-07 rsc 
 41 b3994ec5 2003-12-11 devnull 	incref(&reffont.ref);
 42 b3994ec5 2003-12-11 devnull 	f = fileaddtext(nil, &w->tag);
 43 b3994ec5 2003-12-11 devnull 	textinit(&w->tag, f, r1, &reffont, tagcols);
 44 b3994ec5 2003-12-11 devnull 	w->tag.what = Tag;
 45 b3994ec5 2003-12-11 devnull 	/* tag is a copy of the contents, not a tracked image */
 46 b3994ec5 2003-12-11 devnull 	if(clone){
 47 b3994ec5 2003-12-11 devnull 		textdelete(&w->tag, 0, w->tag.file->b.nc, TRUE);
 48 b3994ec5 2003-12-11 devnull 		nc = clone->tag.file->b.nc;
 49 b3994ec5 2003-12-11 devnull 		rp = runemalloc(nc);
 50 b3994ec5 2003-12-11 devnull 		bufread(&clone->tag.file->b, 0, rp, nc);
 51 b3994ec5 2003-12-11 devnull 		textinsert(&w->tag, 0, rp, nc, TRUE);
 52 b3994ec5 2003-12-11 devnull 		free(rp);
 53 b3994ec5 2003-12-11 devnull 		filereset(w->tag.file);
 54 b3994ec5 2003-12-11 devnull 		textsetselect(&w->tag, nc, nc);
 55 b3994ec5 2003-12-11 devnull 	}
 56 b3994ec5 2003-12-11 devnull 	r1 = r;
 57 33dc4226 2005-10-31 devnull 	r1.min.y += w->taglines*font->height + 1;
 58 b3994ec5 2003-12-11 devnull 	if(r1.max.y < r1.min.y)
 59 b3994ec5 2003-12-11 devnull 		r1.max.y = r1.min.y;
 60 b3994ec5 2003-12-11 devnull 	f = nil;
 61 b3994ec5 2003-12-11 devnull 	if(clone){
 62 b3994ec5 2003-12-11 devnull 		f = clone->body.file;
 63 b3994ec5 2003-12-11 devnull 		w->body.org = clone->body.org;
 64 b3994ec5 2003-12-11 devnull 		w->isscratch = clone->isscratch;
 65 b3994ec5 2003-12-11 devnull 		rf = rfget(FALSE, FALSE, FALSE, clone->body.reffont->f->name);
 66 b3994ec5 2003-12-11 devnull 	}else
 67 b3994ec5 2003-12-11 devnull 		rf = rfget(FALSE, FALSE, FALSE, nil);
 68 b3994ec5 2003-12-11 devnull 	f = fileaddtext(f, &w->body);
 69 b3994ec5 2003-12-11 devnull 	w->body.what = Body;
 70 b3994ec5 2003-12-11 devnull 	textinit(&w->body, f, r1, rf, textcols);
 71 b3994ec5 2003-12-11 devnull 	r1.min.y -= 1;
 72 b3994ec5 2003-12-11 devnull 	r1.max.y = r1.min.y+1;
 73 b3994ec5 2003-12-11 devnull 	draw(screen, r1, tagcols[BORD], nil, ZP);
 74 b3994ec5 2003-12-11 devnull 	textscrdraw(&w->body);
 75 b3994ec5 2003-12-11 devnull 	w->r = r;
 76 b3994ec5 2003-12-11 devnull 	br.min = w->tag.scrollr.min;
 77 b3994ec5 2003-12-11 devnull 	br.max.x = br.min.x + Dx(button->r);
 78 b3994ec5 2003-12-11 devnull 	br.max.y = br.min.y + Dy(button->r);
 79 b3994ec5 2003-12-11 devnull 	draw(screen, br, button, nil, button->r.min);
 80 b3994ec5 2003-12-11 devnull 	w->filemenu = TRUE;
 81 b3994ec5 2003-12-11 devnull 	w->maxlines = w->body.fr.maxlines;
 82 53998c99 2004-09-28 devnull 	w->autoindent = globalautoindent;
 83 b3994ec5 2003-12-11 devnull 	if(clone){
 84 b3994ec5 2003-12-11 devnull 		w->dirty = clone->dirty;
 85 2a373ea4 2005-03-18 devnull 		w->autoindent = clone->autoindent;
 86 b3994ec5 2003-12-11 devnull 		textsetselect(&w->body, clone->body.q0, clone->body.q1);
 87 b3994ec5 2003-12-11 devnull 		winsettag(w);
 88 b3994ec5 2003-12-11 devnull 	}
 89 b3994ec5 2003-12-11 devnull }
 90 b3994ec5 2003-12-11 devnull 
 91 33dc4226 2005-10-31 devnull /*
 92 1bcfd909 2007-03-15 devnull  * Draw the appropriate button.
 93 1bcfd909 2007-03-15 devnull  */
 94 1bcfd909 2007-03-15 devnull void
 95 1bcfd909 2007-03-15 devnull windrawbutton(Window *w)
 96 1bcfd909 2007-03-15 devnull {
 97 1bcfd909 2007-03-15 devnull 	Image *b;
 98 1bcfd909 2007-03-15 devnull 	Rectangle br;
 99 1bcfd909 2007-03-15 devnull 	
100 1bcfd909 2007-03-15 devnull 	b = button;
101 1bcfd909 2007-03-15 devnull 	if(!w->isdir && !w->isscratch && (w->body.file->mod || w->body.ncache))
102 1bcfd909 2007-03-15 devnull 		b = modbutton;
103 1bcfd909 2007-03-15 devnull 	br.min = w->tag.scrollr.min;
104 1bcfd909 2007-03-15 devnull 	br.max.x = br.min.x + Dx(b->r);
105 1bcfd909 2007-03-15 devnull 	br.max.y = br.min.y + Dy(b->r);
106 1bcfd909 2007-03-15 devnull 	draw(screen, br, b, nil, b->r.min);
107 1bcfd909 2007-03-15 devnull }
108 1bcfd909 2007-03-15 devnull 
109 1bcfd909 2007-03-15 devnull /*
110 33dc4226 2005-10-31 devnull  * Compute number of tag lines required
111 33dc4226 2005-10-31 devnull  * to display entire tag text.
112 33dc4226 2005-10-31 devnull  */
113 b3994ec5 2003-12-11 devnull int
114 33dc4226 2005-10-31 devnull wintaglines(Window *w, Rectangle r)
115 b3994ec5 2003-12-11 devnull {
116 33dc4226 2005-10-31 devnull 	int n;
117 33dc4226 2005-10-31 devnull 	Rune rune;
118 33dc4226 2005-10-31 devnull 
119 33dc4226 2005-10-31 devnull 	if(!w->tagexpand)
120 33dc4226 2005-10-31 devnull 		return 1;
121 33dc4226 2005-10-31 devnull 	w->tag.fr.noredraw = 1;
122 33dc4226 2005-10-31 devnull 	textresize(&w->tag, r, TRUE);
123 33dc4226 2005-10-31 devnull 	w->tag.fr.noredraw = 0;
124 d76a49fb 2007-03-16 devnull 	w->tagsafe = FALSE;
125 f8dea3c1 2005-12-16 devnull 	
126 f8dea3c1 2005-12-16 devnull 	/* can't use more than we have */
127 33dc4226 2005-10-31 devnull 	if(w->tag.fr.nlines >= w->tag.fr.maxlines)
128 33dc4226 2005-10-31 devnull 		return w->tag.fr.maxlines;
129 f8dea3c1 2005-12-16 devnull 
130 f8dea3c1 2005-12-16 devnull 	/* if tag ends with \n, include empty line at end for typing */
131 33dc4226 2005-10-31 devnull 	n = w->tag.fr.nlines;
132 fdddf6f0 2008-03-07 rsc 	if(w->tag.file->b.nc > 0){
133 8b9a1d4c 2006-02-06 devnull 		bufread(&w->tag.file->b, w->tag.file->b.nc-1, &rune, 1);
134 fdddf6f0 2008-03-07 rsc 		if(rune == '\n')
135 fdddf6f0 2008-03-07 rsc 			n++;
136 fdddf6f0 2008-03-07 rsc 	}
137 8b9a1d4c 2006-02-06 devnull 	if(n == 0)
138 8b9a1d4c 2006-02-06 devnull 		n = 1;
139 33dc4226 2005-10-31 devnull 	return n;
140 33dc4226 2005-10-31 devnull }
141 33dc4226 2005-10-31 devnull 
142 33dc4226 2005-10-31 devnull int
143 33dc4226 2005-10-31 devnull winresize(Window *w, Rectangle r, int safe, int keepextra)
144 33dc4226 2005-10-31 devnull {
145 41636940 2008-03-07 rsc 	int oy, y, mouseintag, mouseinbody, tagresized;
146 ad80f870 2005-12-16 devnull 	Point p;
147 1bcfd909 2007-03-15 devnull 	Rectangle r1;
148 41636940 2008-03-07 rsc 
149 41636940 2008-03-07 rsc 	mouseintag = ptinrect(mouse->xy, w->tag.all);
150 41636940 2008-03-07 rsc 	mouseinbody = ptinrect(mouse->xy, w->body.all);
151 b3994ec5 2003-12-11 devnull 
152 a2db69c8 2008-03-07 rsc 	/* tagtop is first line of tag */
153 33dc4226 2005-10-31 devnull 	w->tagtop = r;
154 33dc4226 2005-10-31 devnull 	w->tagtop.max.y = r.min.y+font->height;
155 33dc4226 2005-10-31 devnull 
156 f8dea3c1 2005-12-16 devnull 	r1 = r;
157 f8dea3c1 2005-12-16 devnull 	r1.max.y = min(r.max.y, r1.min.y + w->taglines*font->height);
158 a2db69c8 2008-03-07 rsc 
159 a2db69c8 2008-03-07 rsc 	/* If needed, recompute number of lines in tag. */
160 a2db69c8 2008-03-07 rsc 	if(!safe || !w->tagsafe || !eqrect(w->tag.all, r1)){
161 f8dea3c1 2005-12-16 devnull 		w->taglines = wintaglines(w, r);
162 a2db69c8 2008-03-07 rsc 		r1.max.y = min(r.max.y, r1.min.y + w->taglines*font->height);
163 a2db69c8 2008-03-07 rsc 	}
164 f8dea3c1 2005-12-16 devnull 
165 a2db69c8 2008-03-07 rsc 	/* If needed, resize & redraw tag. */
166 b3994ec5 2003-12-11 devnull 	y = r1.max.y;
167 cd1d0ab0 2006-01-12 devnull 	tagresized = 0;
168 d76a49fb 2007-03-16 devnull 	if(!safe || !w->tagsafe || !eqrect(w->tag.all, r1)){
169 cd1d0ab0 2006-01-12 devnull 		tagresized = 1;
170 d5233ccb 2005-10-31 devnull 		textresize(&w->tag, r1, TRUE);
171 d5233ccb 2005-10-31 devnull 		y = w->tag.fr.r.max.y;
172 1bcfd909 2007-03-15 devnull 		windrawbutton(w);
173 d76a49fb 2007-03-16 devnull 		w->tagsafe = TRUE;
174 a2db69c8 2008-03-07 rsc 
175 fdddf6f0 2008-03-07 rsc 		/* If mouse is in tag, pull up as tag closes. */
176 ad80f870 2005-12-16 devnull 		if(mouseintag && !ptinrect(mouse->xy, w->tag.all)){
177 ad80f870 2005-12-16 devnull 			p = mouse->xy;
178 ad80f870 2005-12-16 devnull 			p.y = w->tag.all.max.y-3;
179 fdddf6f0 2008-03-07 rsc 			moveto(mousectl, p);
180 fdddf6f0 2008-03-07 rsc 		}
181 a2db69c8 2008-03-07 rsc 
182 fdddf6f0 2008-03-07 rsc 		/* If mouse is in body, push down as tag expands. */
183 41636940 2008-03-07 rsc 		if(mouseinbody && ptinrect(mouse->xy, w->tag.all)){
184 fdddf6f0 2008-03-07 rsc 			p = mouse->xy;
185 fdddf6f0 2008-03-07 rsc 			p.y = w->tag.all.max.y+3;
186 ad80f870 2005-12-16 devnull 			moveto(mousectl, p);
187 ad80f870 2005-12-16 devnull 		}
188 b3994ec5 2003-12-11 devnull 	}
189 33dc4226 2005-10-31 devnull 	
190 a2db69c8 2008-03-07 rsc 	/* If needed, resize & redraw body. */
191 33dc4226 2005-10-31 devnull 	r1 = r;
192 33dc4226 2005-10-31 devnull 	r1.min.y = y;
193 cb92a1b4 2009-07-15 rsc 	if(!safe || !eqrect(w->body.all, r1)){
194 cd1d0ab0 2006-01-12 devnull 		oy = y;
195 33dc4226 2005-10-31 devnull 		if(y+1+w->body.fr.font->height <= r.max.y){	/* room for one line */
196 b3994ec5 2003-12-11 devnull 			r1.min.y = y;
197 33dc4226 2005-10-31 devnull 			r1.max.y = y+1;
198 33dc4226 2005-10-31 devnull 			draw(screen, r1, tagcols[BORD], nil, ZP);
199 33dc4226 2005-10-31 devnull 			y++;
200 33dc4226 2005-10-31 devnull 			r1.min.y = min(y, r.max.y);
201 33dc4226 2005-10-31 devnull 			r1.max.y = r.max.y;
202 33dc4226 2005-10-31 devnull 		}else{
203 33dc4226 2005-10-31 devnull 			r1.min.y = y;
204 33dc4226 2005-10-31 devnull 			r1.max.y = y;
205 33dc4226 2005-10-31 devnull 		}
206 a2db69c8 2008-03-07 rsc 		y = textresize(&w->body, r1, keepextra);
207 b3994ec5 2003-12-11 devnull 		w->r = r;
208 a2db69c8 2008-03-07 rsc 		w->r.max.y = y;
209 b3994ec5 2003-12-11 devnull 		textscrdraw(&w->body);
210 cd1d0ab0 2006-01-12 devnull 		w->body.all.min.y = oy;
211 b3994ec5 2003-12-11 devnull 	}
212 b3994ec5 2003-12-11 devnull 	w->maxlines = min(w->body.fr.nlines, max(w->maxlines, w->body.fr.maxlines));
213 b3994ec5 2003-12-11 devnull 	return w->r.max.y;
214 b3994ec5 2003-12-11 devnull }
215 b3994ec5 2003-12-11 devnull 
216 b3994ec5 2003-12-11 devnull void
217 b3994ec5 2003-12-11 devnull winlock1(Window *w, int owner)
218 b3994ec5 2003-12-11 devnull {
219 b3994ec5 2003-12-11 devnull 	incref(&w->ref);
220 b3994ec5 2003-12-11 devnull 	qlock(&w->lk);
221 b3994ec5 2003-12-11 devnull 	w->owner = owner;
222 b3994ec5 2003-12-11 devnull }
223 b3994ec5 2003-12-11 devnull 
224 b3994ec5 2003-12-11 devnull void
225 b3994ec5 2003-12-11 devnull winlock(Window *w, int owner)
226 b3994ec5 2003-12-11 devnull {
227 b3994ec5 2003-12-11 devnull 	int i;
228 b3994ec5 2003-12-11 devnull 	File *f;
229 b3994ec5 2003-12-11 devnull 
230 b3994ec5 2003-12-11 devnull 	f = w->body.file;
231 b3994ec5 2003-12-11 devnull 	for(i=0; i<f->ntext; i++)
232 b3994ec5 2003-12-11 devnull 		winlock1(f->text[i]->w, owner);
233 b3994ec5 2003-12-11 devnull }
234 b3994ec5 2003-12-11 devnull 
235 b3994ec5 2003-12-11 devnull void
236 b3994ec5 2003-12-11 devnull winunlock(Window *w)
237 b3994ec5 2003-12-11 devnull {
238 b3994ec5 2003-12-11 devnull 	int i;
239 b3994ec5 2003-12-11 devnull 	File *f;
240 b3994ec5 2003-12-11 devnull 
241 725d9fd7 2005-07-28 devnull 	/*
242 725d9fd7 2005-07-28 devnull 	 * subtle: loop runs backwards to avoid tripping over
243 725d9fd7 2005-07-28 devnull 	 * winclose indirectly editing f->text and freeing f
244 725d9fd7 2005-07-28 devnull 	 * on the last iteration of the loop.
245 725d9fd7 2005-07-28 devnull 	 */
246 b3994ec5 2003-12-11 devnull 	f = w->body.file;
247 725d9fd7 2005-07-28 devnull 	for(i=f->ntext-1; i>=0; i--){
248 b3994ec5 2003-12-11 devnull 		w = f->text[i]->w;
249 b3994ec5 2003-12-11 devnull 		w->owner = 0;
250 b3994ec5 2003-12-11 devnull 		qunlock(&w->lk);
251 b3994ec5 2003-12-11 devnull 		winclose(w);
252 b3994ec5 2003-12-11 devnull 	}
253 b3994ec5 2003-12-11 devnull }
254 b3994ec5 2003-12-11 devnull 
255 b3994ec5 2003-12-11 devnull void
256 b3994ec5 2003-12-11 devnull winmousebut(Window *w)
257 b3994ec5 2003-12-11 devnull {
258 33dc4226 2005-10-31 devnull 	moveto(mousectl, addpt(w->tag.scrollr.min, 
259 33dc4226 2005-10-31 devnull 		divpt(Pt(Dx(w->tag.scrollr), font->height), 2)));
260 b3994ec5 2003-12-11 devnull }
261 b3994ec5 2003-12-11 devnull 
262 b3994ec5 2003-12-11 devnull void
263 b3994ec5 2003-12-11 devnull windirfree(Window *w)
264 b3994ec5 2003-12-11 devnull {
265 b3994ec5 2003-12-11 devnull 	int i;
266 b3994ec5 2003-12-11 devnull 	Dirlist *dl;
267 b3994ec5 2003-12-11 devnull 
268 b3994ec5 2003-12-11 devnull 	if(w->isdir){
269 b3994ec5 2003-12-11 devnull 		for(i=0; i<w->ndl; i++){
270 b3994ec5 2003-12-11 devnull 			dl = w->dlp[i];
271 b3994ec5 2003-12-11 devnull 			free(dl->r);
272 b3994ec5 2003-12-11 devnull 			free(dl);
273 b3994ec5 2003-12-11 devnull 		}
274 b3994ec5 2003-12-11 devnull 		free(w->dlp);
275 b3994ec5 2003-12-11 devnull 	}
276 b3994ec5 2003-12-11 devnull 	w->dlp = nil;
277 b3994ec5 2003-12-11 devnull 	w->ndl = 0;
278 b3994ec5 2003-12-11 devnull }
279 b3994ec5 2003-12-11 devnull 
280 b3994ec5 2003-12-11 devnull void
281 b3994ec5 2003-12-11 devnull winclose(Window *w)
282 b3994ec5 2003-12-11 devnull {
283 b3994ec5 2003-12-11 devnull 	int i;
284 b3994ec5 2003-12-11 devnull 
285 b3994ec5 2003-12-11 devnull 	if(decref(&w->ref) == 0){
286 b3994ec5 2003-12-11 devnull 		windirfree(w);
287 b3994ec5 2003-12-11 devnull 		textclose(&w->tag);
288 b3994ec5 2003-12-11 devnull 		textclose(&w->body);
289 b3994ec5 2003-12-11 devnull 		if(activewin == w)
290 b3994ec5 2003-12-11 devnull 			activewin = nil;
291 b3994ec5 2003-12-11 devnull 		for(i=0; i<w->nincl; i++)
292 b3994ec5 2003-12-11 devnull 			free(w->incl[i]);
293 b3994ec5 2003-12-11 devnull 		free(w->incl);
294 b3994ec5 2003-12-11 devnull 		free(w->events);
295 b3994ec5 2003-12-11 devnull 		free(w);
296 b3994ec5 2003-12-11 devnull 	}
297 b3994ec5 2003-12-11 devnull }
298 b3994ec5 2003-12-11 devnull 
299 b3994ec5 2003-12-11 devnull void
300 b3994ec5 2003-12-11 devnull windelete(Window *w)
301 b3994ec5 2003-12-11 devnull {
302 b3994ec5 2003-12-11 devnull 	Xfid *x;
303 b3994ec5 2003-12-11 devnull 
304 b3994ec5 2003-12-11 devnull 	x = w->eventx;
305 b3994ec5 2003-12-11 devnull 	if(x){
306 b3994ec5 2003-12-11 devnull 		w->nevents = 0;
307 b3994ec5 2003-12-11 devnull 		free(w->events);
308 b3994ec5 2003-12-11 devnull 		w->events = nil;
309 b3994ec5 2003-12-11 devnull 		w->eventx = nil;
310 b3994ec5 2003-12-11 devnull 		sendp(x->c, nil);	/* wake him up */
311 b3994ec5 2003-12-11 devnull 	}
312 b3994ec5 2003-12-11 devnull }
313 b3994ec5 2003-12-11 devnull 
314 b3994ec5 2003-12-11 devnull void
315 b3994ec5 2003-12-11 devnull winundo(Window *w, int isundo)
316 b3994ec5 2003-12-11 devnull {
317 b3994ec5 2003-12-11 devnull 	Text *body;
318 b3994ec5 2003-12-11 devnull 	int i;
319 b3994ec5 2003-12-11 devnull 	File *f;
320 b3994ec5 2003-12-11 devnull 	Window *v;
321 b3994ec5 2003-12-11 devnull 
322 b3994ec5 2003-12-11 devnull 	w->utflastqid = -1;
323 b3994ec5 2003-12-11 devnull 	body = &w->body;
324 b3994ec5 2003-12-11 devnull 	fileundo(body->file, isundo, &body->q0, &body->q1);
325 b3994ec5 2003-12-11 devnull 	textshow(body, body->q0, body->q1, 1);
326 b3994ec5 2003-12-11 devnull 	f = body->file;
327 b3994ec5 2003-12-11 devnull 	for(i=0; i<f->ntext; i++){
328 b3994ec5 2003-12-11 devnull 		v = f->text[i]->w;
329 b3994ec5 2003-12-11 devnull 		v->dirty = (f->seq != v->putseq);
330 b3994ec5 2003-12-11 devnull 		if(v != w){
331 b3994ec5 2003-12-11 devnull 			v->body.q0 = v->body.fr.p0+v->body.org;
332 b3994ec5 2003-12-11 devnull 			v->body.q1 = v->body.fr.p1+v->body.org;
333 b3994ec5 2003-12-11 devnull 		}
334 b3994ec5 2003-12-11 devnull 	}
335 b3994ec5 2003-12-11 devnull 	winsettag(w);
336 b3994ec5 2003-12-11 devnull }
337 b3994ec5 2003-12-11 devnull 
338 b3994ec5 2003-12-11 devnull void
339 b3994ec5 2003-12-11 devnull winsetname(Window *w, Rune *name, int n)
340 b3994ec5 2003-12-11 devnull {
341 b3994ec5 2003-12-11 devnull 	Text *t;
342 b3994ec5 2003-12-11 devnull 	Window *v;
343 b3994ec5 2003-12-11 devnull 	int i;
344 b3994ec5 2003-12-11 devnull 	static Rune Lslashguide[] = { '/', 'g', 'u', 'i', 'd', 'e', 0 };
345 b3994ec5 2003-12-11 devnull 	static Rune Lpluserrors[] = { '+', 'E', 'r', 'r', 'o', 'r', 's', 0 };
346 a2db69c8 2008-03-07 rsc 
347 b3994ec5 2003-12-11 devnull 	t = &w->body;
348 b3994ec5 2003-12-11 devnull 	if(runeeq(t->file->name, t->file->nname, name, n) == TRUE)
349 b3994ec5 2003-12-11 devnull 		return;
350 b3994ec5 2003-12-11 devnull 	w->isscratch = FALSE;
351 b3994ec5 2003-12-11 devnull 	if(n>=6 && runeeq(Lslashguide, 6, name+(n-6), 6))
352 b3994ec5 2003-12-11 devnull 		w->isscratch = TRUE;
353 b3994ec5 2003-12-11 devnull 	else if(n>=7 && runeeq(Lpluserrors, 7, name+(n-7), 7))
354 b3994ec5 2003-12-11 devnull 		w->isscratch = TRUE;
355 b3994ec5 2003-12-11 devnull 	filesetname(t->file, name, n);
356 b3994ec5 2003-12-11 devnull 	for(i=0; i<t->file->ntext; i++){
357 b3994ec5 2003-12-11 devnull 		v = t->file->text[i]->w;
358 b3994ec5 2003-12-11 devnull 		winsettag(v);
359 b3994ec5 2003-12-11 devnull 		v->isscratch = w->isscratch;
360 b3994ec5 2003-12-11 devnull 	}
361 b3994ec5 2003-12-11 devnull }
362 b3994ec5 2003-12-11 devnull 
363 b3994ec5 2003-12-11 devnull void
364 b3994ec5 2003-12-11 devnull wintype(Window *w, Text *t, Rune r)
365 b3994ec5 2003-12-11 devnull {
366 b3994ec5 2003-12-11 devnull 	int i;
367 b3994ec5 2003-12-11 devnull 
368 b3994ec5 2003-12-11 devnull 	texttype(t, r);
369 b3994ec5 2003-12-11 devnull 	if(t->what == Body)
370 b3994ec5 2003-12-11 devnull 		for(i=0; i<t->file->ntext; i++)
371 b3994ec5 2003-12-11 devnull 			textscrdraw(t->file->text[i]);
372 b3994ec5 2003-12-11 devnull 	winsettag(w);
373 b3994ec5 2003-12-11 devnull }
374 b3994ec5 2003-12-11 devnull 
375 b3994ec5 2003-12-11 devnull void
376 b3994ec5 2003-12-11 devnull wincleartag(Window *w)
377 b3994ec5 2003-12-11 devnull {
378 b3994ec5 2003-12-11 devnull 	int i, n;
379 b3994ec5 2003-12-11 devnull 	Rune *r;
380 b3994ec5 2003-12-11 devnull 
381 b3994ec5 2003-12-11 devnull 	/* w must be committed */
382 b3994ec5 2003-12-11 devnull 	n = w->tag.file->b.nc;
383 b3994ec5 2003-12-11 devnull 	r = runemalloc(n);
384 b3994ec5 2003-12-11 devnull 	bufread(&w->tag.file->b, 0, r, n);
385 b3994ec5 2003-12-11 devnull 	for(i=0; i<n; i++)
386 b3994ec5 2003-12-11 devnull 		if(r[i]==' ' || r[i]=='\t')
387 b3994ec5 2003-12-11 devnull 			break;
388 b3994ec5 2003-12-11 devnull 	for(; i<n; i++)
389 b3994ec5 2003-12-11 devnull 		if(r[i] == '|')
390 b3994ec5 2003-12-11 devnull 			break;
391 b3994ec5 2003-12-11 devnull 	if(i == n)
392 b3994ec5 2003-12-11 devnull 		return;
393 b3994ec5 2003-12-11 devnull 	i++;
394 b3994ec5 2003-12-11 devnull 	textdelete(&w->tag, i, n, TRUE);
395 b3994ec5 2003-12-11 devnull 	free(r);
396 b3994ec5 2003-12-11 devnull 	w->tag.file->mod = FALSE;
397 b3994ec5 2003-12-11 devnull 	if(w->tag.q0 > i)
398 b3994ec5 2003-12-11 devnull 		w->tag.q0 = i;
399 b3994ec5 2003-12-11 devnull 	if(w->tag.q1 > i)
400 b3994ec5 2003-12-11 devnull 		w->tag.q1 = i;
401 b3994ec5 2003-12-11 devnull 	textsetselect(&w->tag, w->tag.q0, w->tag.q1);
402 b3994ec5 2003-12-11 devnull }
403 b3994ec5 2003-12-11 devnull 
404 b3994ec5 2003-12-11 devnull void
405 b3994ec5 2003-12-11 devnull winsettag1(Window *w)
406 b3994ec5 2003-12-11 devnull {
407 734a96bd 2008-03-07 rsc 	int i, j, k, n, bar, dirty, resize;
408 734a96bd 2008-03-07 rsc 	Rune *new, *old, *r;
409 b3994ec5 2003-12-11 devnull 	uint q0, q1;
410 b3994ec5 2003-12-11 devnull 	static Rune Ldelsnarf[] = { ' ', 'D', 'e', 'l', ' ',
411 b3994ec5 2003-12-11 devnull 		'S', 'n', 'a', 'r', 'f', 0 };
412 b3994ec5 2003-12-11 devnull 	static Rune Lundo[] = { ' ', 'U', 'n', 'd', 'o', 0 };
413 b3994ec5 2003-12-11 devnull 	static Rune Lredo[] = { ' ', 'R', 'e', 'd', 'o', 0 };
414 b3994ec5 2003-12-11 devnull 	static Rune Lget[] = { ' ', 'G', 'e', 't', 0 };
415 b3994ec5 2003-12-11 devnull 	static Rune Lput[] = { ' ', 'P', 'u', 't', 0 };
416 b3994ec5 2003-12-11 devnull 	static Rune Llook[] = { ' ', 'L', 'o', 'o', 'k', ' ', 0 };
417 b3994ec5 2003-12-11 devnull 	static Rune Lpipe[] = { ' ', '|', 0 };
418 734a96bd 2008-03-07 rsc 
419 b3994ec5 2003-12-11 devnull 	/* there are races that get us here with stuff in the tag cache, so we take extra care to sync it */
420 b3994ec5 2003-12-11 devnull 	if(w->tag.ncache!=0 || w->tag.file->mod)
421 b3994ec5 2003-12-11 devnull 		wincommit(w, &w->tag);	/* check file name; also guarantees we can modify tag contents */
422 b3994ec5 2003-12-11 devnull 	old = runemalloc(w->tag.file->b.nc+1);
423 b3994ec5 2003-12-11 devnull 	bufread(&w->tag.file->b, 0, old, w->tag.file->b.nc);
424 b3994ec5 2003-12-11 devnull 	old[w->tag.file->b.nc] = '\0';
425 b3994ec5 2003-12-11 devnull 	for(i=0; i<w->tag.file->b.nc; i++)
426 b3994ec5 2003-12-11 devnull 		if(old[i]==' ' || old[i]=='\t')
427 b3994ec5 2003-12-11 devnull 			break;
428 734a96bd 2008-03-07 rsc 	if(runeeq(old, i, w->body.file->name, w->body.file->nname) == FALSE){
429 b3994ec5 2003-12-11 devnull 		textdelete(&w->tag, 0, i, TRUE);
430 734a96bd 2008-03-07 rsc 		textinsert(&w->tag, 0, w->body.file->name, w->body.file->nname, TRUE);
431 b3994ec5 2003-12-11 devnull 		free(old);
432 b3994ec5 2003-12-11 devnull 		old = runemalloc(w->tag.file->b.nc+1);
433 b3994ec5 2003-12-11 devnull 		bufread(&w->tag.file->b, 0, old, w->tag.file->b.nc);
434 b3994ec5 2003-12-11 devnull 		old[w->tag.file->b.nc] = '\0';
435 b3994ec5 2003-12-11 devnull 	}
436 734a96bd 2008-03-07 rsc 
437 d96da29b 2005-03-14 devnull 	/* compute the text for the whole tag, replacing current only if it differs */
438 734a96bd 2008-03-07 rsc 	new = runemalloc(w->body.file->nname+100);
439 b3994ec5 2003-12-11 devnull 	i = 0;
440 734a96bd 2008-03-07 rsc 	runemove(new+i, w->body.file->name, w->body.file->nname);
441 734a96bd 2008-03-07 rsc 	i += w->body.file->nname;
442 b3994ec5 2003-12-11 devnull 	runemove(new+i, Ldelsnarf, 10);
443 b3994ec5 2003-12-11 devnull 	i += 10;
444 b3994ec5 2003-12-11 devnull 	if(w->filemenu){
445 cd1d0ab0 2006-01-12 devnull 		if(w->body.needundo || w->body.file->delta.nc>0 || w->body.ncache){
446 b3994ec5 2003-12-11 devnull 			runemove(new+i, Lundo, 5);
447 b3994ec5 2003-12-11 devnull 			i += 5;
448 b3994ec5 2003-12-11 devnull 		}
449 b3994ec5 2003-12-11 devnull 		if(w->body.file->epsilon.nc > 0){
450 b3994ec5 2003-12-11 devnull 			runemove(new+i, Lredo, 5);
451 b3994ec5 2003-12-11 devnull 			i += 5;
452 b3994ec5 2003-12-11 devnull 		}
453 b3994ec5 2003-12-11 devnull 		dirty = w->body.file->nname && (w->body.ncache || w->body.file->seq!=w->putseq);
454 b3994ec5 2003-12-11 devnull 		if(!w->isdir && dirty){
455 b3994ec5 2003-12-11 devnull 			runemove(new+i, Lput, 4);
456 b3994ec5 2003-12-11 devnull 			i += 4;
457 b3994ec5 2003-12-11 devnull 		}
458 b3994ec5 2003-12-11 devnull 	}
459 b3994ec5 2003-12-11 devnull 	if(w->isdir){
460 b3994ec5 2003-12-11 devnull 		runemove(new+i, Lget, 4);
461 b3994ec5 2003-12-11 devnull 		i += 4;
462 b3994ec5 2003-12-11 devnull 	}
463 b3994ec5 2003-12-11 devnull 	runemove(new+i, Lpipe, 2);
464 b3994ec5 2003-12-11 devnull 	i += 2;
465 b3994ec5 2003-12-11 devnull 	r = runestrchr(old, '|');
466 b3994ec5 2003-12-11 devnull 	if(r)
467 b3994ec5 2003-12-11 devnull 		k = r-old+1;
468 b3994ec5 2003-12-11 devnull 	else{
469 b3994ec5 2003-12-11 devnull 		k = w->tag.file->b.nc;
470 b3994ec5 2003-12-11 devnull 		if(w->body.file->seq == 0){
471 b3994ec5 2003-12-11 devnull 			runemove(new+i, Llook, 6);
472 b3994ec5 2003-12-11 devnull 			i += 6;
473 b3994ec5 2003-12-11 devnull 		}
474 b3994ec5 2003-12-11 devnull 	}
475 b3994ec5 2003-12-11 devnull 	new[i] = 0;
476 734a96bd 2008-03-07 rsc 
477 d96da29b 2005-03-14 devnull 	/* replace tag if the new one is different */
478 77c5c852 2006-01-12 devnull 	resize = 0;
479 b3994ec5 2003-12-11 devnull 	if(runeeq(new, i, old, k) == FALSE){
480 77c5c852 2006-01-12 devnull 		resize = 1;
481 b3994ec5 2003-12-11 devnull 		n = k;
482 b3994ec5 2003-12-11 devnull 		if(n > i)
483 b3994ec5 2003-12-11 devnull 			n = i;
484 b3994ec5 2003-12-11 devnull 		for(j=0; j<n; j++)
485 b3994ec5 2003-12-11 devnull 			if(old[j] != new[j])
486 b3994ec5 2003-12-11 devnull 				break;
487 b3994ec5 2003-12-11 devnull 		q0 = w->tag.q0;
488 b3994ec5 2003-12-11 devnull 		q1 = w->tag.q1;
489 b3994ec5 2003-12-11 devnull 		textdelete(&w->tag, j, k, TRUE);
490 b3994ec5 2003-12-11 devnull 		textinsert(&w->tag, j, new+j, i-j, TRUE);
491 b3994ec5 2003-12-11 devnull 		/* try to preserve user selection */
492 b3994ec5 2003-12-11 devnull 		r = runestrchr(old, '|');
493 b3994ec5 2003-12-11 devnull 		if(r){
494 b3994ec5 2003-12-11 devnull 			bar = r-old;
495 b3994ec5 2003-12-11 devnull 			if(q0 > bar){
496 b3994ec5 2003-12-11 devnull 				bar = (runestrchr(new, '|')-new)-bar;
497 b3994ec5 2003-12-11 devnull 				w->tag.q0 = q0+bar;
498 b3994ec5 2003-12-11 devnull 				w->tag.q1 = q1+bar;
499 b3994ec5 2003-12-11 devnull 			}
500 b3994ec5 2003-12-11 devnull 		}
501 b3994ec5 2003-12-11 devnull 	}
502 b3994ec5 2003-12-11 devnull 	free(old);
503 b3994ec5 2003-12-11 devnull 	free(new);
504 b3994ec5 2003-12-11 devnull 	w->tag.file->mod = FALSE;
505 b3994ec5 2003-12-11 devnull 	n = w->tag.file->b.nc+w->tag.ncache;
506 b3994ec5 2003-12-11 devnull 	if(w->tag.q0 > n)
507 b3994ec5 2003-12-11 devnull 		w->tag.q0 = n;
508 b3994ec5 2003-12-11 devnull 	if(w->tag.q1 > n)
509 b3994ec5 2003-12-11 devnull 		w->tag.q1 = n;
510 b3994ec5 2003-12-11 devnull 	textsetselect(&w->tag, w->tag.q0, w->tag.q1);
511 1bcfd909 2007-03-15 devnull 	windrawbutton(w);
512 cd1d0ab0 2006-01-12 devnull 	if(resize){
513 cd1d0ab0 2006-01-12 devnull 		w->tagsafe = 0;
514 77c5c852 2006-01-12 devnull 		winresize(w, w->r, TRUE, TRUE);
515 cd1d0ab0 2006-01-12 devnull 	}
516 b3994ec5 2003-12-11 devnull }
517 b3994ec5 2003-12-11 devnull 
518 b3994ec5 2003-12-11 devnull void
519 b3994ec5 2003-12-11 devnull winsettag(Window *w)
520 b3994ec5 2003-12-11 devnull {
521 b3994ec5 2003-12-11 devnull 	int i;
522 b3994ec5 2003-12-11 devnull 	File *f;
523 b3994ec5 2003-12-11 devnull 	Window *v;
524 b3994ec5 2003-12-11 devnull 
525 b3994ec5 2003-12-11 devnull 	f = w->body.file;
526 b3994ec5 2003-12-11 devnull 	for(i=0; i<f->ntext; i++){
527 b3994ec5 2003-12-11 devnull 		v = f->text[i]->w;
528 b3994ec5 2003-12-11 devnull 		if(v->col->safe || v->body.fr.maxlines>0)
529 b3994ec5 2003-12-11 devnull 			winsettag1(v);
530 b3994ec5 2003-12-11 devnull 	}
531 b3994ec5 2003-12-11 devnull }
532 b3994ec5 2003-12-11 devnull 
533 b3994ec5 2003-12-11 devnull void
534 b3994ec5 2003-12-11 devnull wincommit(Window *w, Text *t)
535 b3994ec5 2003-12-11 devnull {
536 b3994ec5 2003-12-11 devnull 	Rune *r;
537 b3994ec5 2003-12-11 devnull 	int i;
538 b3994ec5 2003-12-11 devnull 	File *f;
539 b3994ec5 2003-12-11 devnull 
540 b3994ec5 2003-12-11 devnull 	textcommit(t, TRUE);
541 b3994ec5 2003-12-11 devnull 	f = t->file;
542 b3994ec5 2003-12-11 devnull 	if(f->ntext > 1)
543 b3994ec5 2003-12-11 devnull 		for(i=0; i<f->ntext; i++)
544 b3994ec5 2003-12-11 devnull 			textcommit(f->text[i], FALSE);	/* no-op for t */
545 b3994ec5 2003-12-11 devnull 	if(t->what == Body)
546 b3994ec5 2003-12-11 devnull 		return;
547 b3994ec5 2003-12-11 devnull 	r = runemalloc(w->tag.file->b.nc);
548 b3994ec5 2003-12-11 devnull 	bufread(&w->tag.file->b, 0, r, w->tag.file->b.nc);
549 b3994ec5 2003-12-11 devnull 	for(i=0; i<w->tag.file->b.nc; i++)
550 b3994ec5 2003-12-11 devnull 		if(r[i]==' ' || r[i]=='\t')
551 b3994ec5 2003-12-11 devnull 			break;
552 b3994ec5 2003-12-11 devnull 	if(runeeq(r, i, w->body.file->name, w->body.file->nname) == FALSE){
553 b3994ec5 2003-12-11 devnull 		seq++;
554 b3994ec5 2003-12-11 devnull 		filemark(w->body.file);
555 b3994ec5 2003-12-11 devnull 		w->body.file->mod = TRUE;
556 b3994ec5 2003-12-11 devnull 		w->dirty = TRUE;
557 b3994ec5 2003-12-11 devnull 		winsetname(w, r, i);
558 b3994ec5 2003-12-11 devnull 		winsettag(w);
559 b3994ec5 2003-12-11 devnull 	}
560 b3994ec5 2003-12-11 devnull 	free(r);
561 b3994ec5 2003-12-11 devnull }
562 b3994ec5 2003-12-11 devnull 
563 b3994ec5 2003-12-11 devnull void
564 b3994ec5 2003-12-11 devnull winaddincl(Window *w, Rune *r, int n)
565 b3994ec5 2003-12-11 devnull {
566 b3994ec5 2003-12-11 devnull 	char *a;
567 b3994ec5 2003-12-11 devnull 	Dir *d;
568 b3994ec5 2003-12-11 devnull 	Runestr rs;
569 b3994ec5 2003-12-11 devnull 
570 b3994ec5 2003-12-11 devnull 	a = runetobyte(r, n);
571 b3994ec5 2003-12-11 devnull 	d = dirstat(a);
572 b3994ec5 2003-12-11 devnull 	if(d == nil){
573 b3994ec5 2003-12-11 devnull 		if(a[0] == '/')
574 b3994ec5 2003-12-11 devnull 			goto Rescue;
575 b3994ec5 2003-12-11 devnull 		rs = dirname(&w->body, r, n);
576 b3994ec5 2003-12-11 devnull 		r = rs.r;
577 b3994ec5 2003-12-11 devnull 		n = rs.nr;
578 b3994ec5 2003-12-11 devnull 		free(a);
579 b3994ec5 2003-12-11 devnull 		a = runetobyte(r, n);
580 b3994ec5 2003-12-11 devnull 		d = dirstat(a);
581 b3994ec5 2003-12-11 devnull 		if(d == nil)
582 b3994ec5 2003-12-11 devnull 			goto Rescue;
583 b3994ec5 2003-12-11 devnull 		r = runerealloc(r, n+1);
584 b3994ec5 2003-12-11 devnull 		r[n] = 0;
585 b3994ec5 2003-12-11 devnull 	}
586 b3994ec5 2003-12-11 devnull 	free(a);
587 b3994ec5 2003-12-11 devnull 	if((d->qid.type&QTDIR) == 0){
588 b3994ec5 2003-12-11 devnull 		free(d);
589 b3994ec5 2003-12-11 devnull 		warning(nil, "%s: not a directory\n", a);
590 b3994ec5 2003-12-11 devnull 		free(r);
591 b3994ec5 2003-12-11 devnull 		return;
592 b3994ec5 2003-12-11 devnull 	}
593 b3994ec5 2003-12-11 devnull 	free(d);
594 b3994ec5 2003-12-11 devnull 	w->nincl++;
595 b3994ec5 2003-12-11 devnull 	w->incl = realloc(w->incl, w->nincl*sizeof(Rune*));
596 b3994ec5 2003-12-11 devnull 	memmove(w->incl+1, w->incl, (w->nincl-1)*sizeof(Rune*));
597 b3994ec5 2003-12-11 devnull 	w->incl[0] = runemalloc(n+1);
598 b3994ec5 2003-12-11 devnull 	runemove(w->incl[0], r, n);
599 b3994ec5 2003-12-11 devnull 	free(r);
600 b3994ec5 2003-12-11 devnull 	return;
601 b3994ec5 2003-12-11 devnull 
602 b3994ec5 2003-12-11 devnull Rescue:
603 b3994ec5 2003-12-11 devnull 	warning(nil, "%s: %r\n", a);
604 b3994ec5 2003-12-11 devnull 	free(r);
605 b3994ec5 2003-12-11 devnull 	free(a);
606 b3994ec5 2003-12-11 devnull 	return;
607 b3994ec5 2003-12-11 devnull }
608 b3994ec5 2003-12-11 devnull 
609 b3994ec5 2003-12-11 devnull int
610 b3994ec5 2003-12-11 devnull winclean(Window *w, int conservative)	/* as it stands, conservative is always TRUE */
611 b3994ec5 2003-12-11 devnull {
612 b3994ec5 2003-12-11 devnull 	if(w->isscratch || w->isdir)	/* don't whine if it's a guide file, error window, etc. */
613 b3994ec5 2003-12-11 devnull 		return TRUE;
614 b3994ec5 2003-12-11 devnull 	if(!conservative && w->nopen[QWevent]>0)
615 b3994ec5 2003-12-11 devnull 		return TRUE;
616 b3994ec5 2003-12-11 devnull 	if(w->dirty){
617 b3994ec5 2003-12-11 devnull 		if(w->body.file->nname)
618 b3994ec5 2003-12-11 devnull 			warning(nil, "%.*S modified\n", w->body.file->nname, w->body.file->name);
619 b3994ec5 2003-12-11 devnull 		else{
620 b3994ec5 2003-12-11 devnull 			if(w->body.file->b.nc < 100)	/* don't whine if it's too small */
621 b3994ec5 2003-12-11 devnull 				return TRUE;
622 b3994ec5 2003-12-11 devnull 			warning(nil, "unnamed file modified\n");
623 b3994ec5 2003-12-11 devnull 		}
624 b3994ec5 2003-12-11 devnull 		w->dirty = FALSE;
625 b3994ec5 2003-12-11 devnull 		return FALSE;
626 b3994ec5 2003-12-11 devnull 	}
627 b3994ec5 2003-12-11 devnull 	return TRUE;
628 b3994ec5 2003-12-11 devnull }
629 b3994ec5 2003-12-11 devnull 
630 627bae9c 2005-01-04 devnull char*
631 b3994ec5 2003-12-11 devnull winctlprint(Window *w, char *buf, int fonts)
632 b3994ec5 2003-12-11 devnull {
633 627bae9c 2005-01-04 devnull 	sprint(buf, "%11d %11d %11d %11d %11d ", w->id, w->tag.file->b.nc,
634 b3994ec5 2003-12-11 devnull 		w->body.file->b.nc, w->isdir, w->dirty);
635 b3994ec5 2003-12-11 devnull 	if(fonts)
636 627bae9c 2005-01-04 devnull 		return smprint("%s%11d %q %11d ", buf, Dx(w->body.fr.r), 
637 627bae9c 2005-01-04 devnull 			w->body.reffont->f->name, w->body.fr.maxtab);
638 627bae9c 2005-01-04 devnull 	return buf;
639 b3994ec5 2003-12-11 devnull }
640 b3994ec5 2003-12-11 devnull 
641 b3994ec5 2003-12-11 devnull void
642 b3994ec5 2003-12-11 devnull winevent(Window *w, char *fmt, ...)
643 b3994ec5 2003-12-11 devnull {
644 b3994ec5 2003-12-11 devnull 	int n;
645 b3994ec5 2003-12-11 devnull 	char *b;
646 b3994ec5 2003-12-11 devnull 	Xfid *x;
647 b3994ec5 2003-12-11 devnull 	va_list arg;
648 b3994ec5 2003-12-11 devnull 
649 b3994ec5 2003-12-11 devnull 	if(w->nopen[QWevent] == 0)
650 b3994ec5 2003-12-11 devnull 		return;
651 b3994ec5 2003-12-11 devnull 	if(w->owner == 0)
652 b3994ec5 2003-12-11 devnull 		error("no window owner");
653 b3994ec5 2003-12-11 devnull 	va_start(arg, fmt);
654 b3994ec5 2003-12-11 devnull 	b = vsmprint(fmt, arg);
655 b3994ec5 2003-12-11 devnull 	va_end(arg);
656 b3994ec5 2003-12-11 devnull 	if(b == nil)
657 b3994ec5 2003-12-11 devnull 		error("vsmprint failed");
658 b3994ec5 2003-12-11 devnull 	n = strlen(b);
659 95409400 2006-02-21 devnull 	w->events = erealloc(w->events, w->nevents+1+n);
660 b3994ec5 2003-12-11 devnull 	w->events[w->nevents++] = w->owner;
661 b3994ec5 2003-12-11 devnull 	memmove(w->events+w->nevents, b, n);
662 b3994ec5 2003-12-11 devnull 	free(b);
663 b3994ec5 2003-12-11 devnull 	w->nevents += n;
664 b3994ec5 2003-12-11 devnull 	x = w->eventx;
665 b3994ec5 2003-12-11 devnull 	if(x){
666 b3994ec5 2003-12-11 devnull 		w->eventx = nil;
667 b3994ec5 2003-12-11 devnull 		sendp(x->c, nil);
668 d96da29b 2005-03-14 devnull 	}
669 d96da29b 2005-03-14 devnull }