13 static Flayer **llist; /* front to back */
16 static Rectangle lDrect;
18 Vis visibility(Flayer *);
19 void newvisibilities(int);
20 void llinsert(Flayer*);
21 void lldelete(Flayer*);
23 Image *maincols[NCOL];
31 /* Main text is yellowish */
32 maincols[BACK] = allocimagemix(display, DPaleyellow, DWhite);
33 maincols[HIGH] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DDarkyellow);
34 maincols[BORD] = allocimage(display, Rect(0,0,2,2), screen->chan, 1, DYellowgreen);
35 maincols[TEXT] = display->black;
36 maincols[HTEXT] = display->black;
38 /* Command text is blueish */
39 cmdcols[BACK] = allocimagemix(display, DPalebluegreen, DWhite);
40 cmdcols[HIGH] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DPalegreygreen);
41 cmdcols[BORD] = allocimage(display, Rect(0,0,2,2), screen->chan, 1, DPurpleblue);
42 cmdcols[TEXT] = display->black;
43 cmdcols[HTEXT] = display->black;
47 flnew(Flayer *l, Rune *(*fn)(Flayer*, long, ulong*), int u0, void *u1)
49 if(nllist == nlalloc){
51 llist = realloc(llist, nlalloc*sizeof(Flayer**));
63 flrect(Flayer *l, Rectangle r)
67 l->scroll = insetrect(r, FLMARGIN);
69 l->scroll.max.x = r.min.x+FLMARGIN+FLSCROLLWID+(FLGAP-FLMARGIN);
74 flinit(Flayer *l, Rectangle r, Font *ft, Image **cols)
79 l->origin = l->p0 = l->p1 = 0;
80 frinit(&l->f, insetrect(flrect(l, r), FLMARGIN), ft, screen, cols);
81 l->f.maxtab = maxtab*stringwidth(ft, "0");
83 draw(screen, l->entire, l->f.cols[BACK], nil, ZP);
92 draw(screen, l->entire, display->white, nil, ZP);
93 else if(l->visible == Some){
95 l->f.b = allocimage(display, l->entire, screen->chan, 0, DNofill);
97 draw(l->f.b, l->entire, display->white, nil, ZP);
98 flrefresh(l, l->entire, 0);
103 if(l->f.b && l->visible!=All)
110 flborder(Flayer *l, int wide)
113 border(l->f.b, l->entire, FLMARGIN, l->f.cols[BACK], ZP);
114 border(l->f.b, l->entire, wide? FLMARGIN : 1, l->f.cols[BORD], ZP);
116 flrefresh(l, l->entire, 0);
126 return nllist? llist[0] : 0;
127 for(i=0; i<nllist; i++)
128 if(ptinrect(p, llist[i]->entire))
145 newvisibilities(int redraw)
146 /* if redraw false, we know it's a flupfront, and needn't
147 * redraw anyone becoming partially covered */
153 for(i = 0; i<nllist; i++){
155 l->lastsr = ZR; /* make sure scroll bar gets redrawn */
157 l->visible = visibility(l);
158 #define V(a, b) (((a)<<2)|((b)))
159 switch(V(ov, l->visible)){
170 if(l->f.b==0 && redraw)
173 if(l->f.b && redraw){
174 flrefresh(l, l->entire, 0);
185 draw(screen, l->entire, l->f.b, nil, l->entire.min);
194 if(ov==None && l->visible!=None)
203 for(i=nllist; i>0; --i)
214 for(i=0; i<nllist; i++)
218 llist[i] = llist[i+1];
225 flinsert(Flayer *l, Rune *sp, Rune *ep, long p0)
228 frinsert(&l->f, sp, ep, p0-l->origin);
229 scrdraw(l, scrtotal(l));
231 flrefresh(l, l->entire, 0);
236 fldelete(Flayer *l, long p0, long p1)
245 frdelete(&l->f, p0, p1);
246 scrdraw(l, scrtotal(l));
248 flrefresh(l, l->entire, 0);
258 if(mousep->msec-l->click<Clicktime && l->f.p0+l->origin==l->p0 &&
259 l->f.p0==frcharofpt(&l->f, mousep->xy)){
263 l->click = mousep->msec;
264 frselect(&l->f, mousectl);
265 l->p0 = l->f.p0+l->origin, l->p1 = l->f.p1+l->origin;
270 flsetselect(Flayer *l, long p0, long p1)
275 if(l->visible==None || !flprepare(l)){
276 l->p0 = p0, l->p1 = p1;
279 l->p0 = p0, l->p1 = p1;
280 flfp0p1(l, &fp0, &fp1);
281 if(fp0==l->f.p0 && fp1==l->f.p1)
284 if(fp1<=l->f.p0 || fp0>=l->f.p1 || l->f.p0==l->f.p1 || fp0==fp1){
285 /* no overlap or trivial repainting */
286 frdrawsel(&l->f, frptofchar(&l->f, l->f.p0), l->f.p0, l->f.p1, 0);
287 frdrawsel(&l->f, frptofchar(&l->f, fp0), fp0, fp1, 1);
290 /* the current selection and the desired selection overlap and are both non-empty */
292 /* extend selection backwards */
293 frdrawsel(&l->f, frptofchar(&l->f, fp0), fp0, l->f.p0, 1);
294 }else if(fp0 > l->f.p0){
295 /* trim first part of selection */
296 frdrawsel(&l->f, frptofchar(&l->f, l->f.p0), l->f.p0, fp0, 0);
299 /* extend selection forwards */
300 frdrawsel(&l->f, frptofchar(&l->f, l->f.p1), l->f.p1, fp1, 1);
301 }else if(fp1 < l->f.p1){
302 /* trim last part of selection */
303 frdrawsel(&l->f, frptofchar(&l->f, fp1), fp1, l->f.p1, 0);
310 flrefresh(l, l->entire, 0);
314 flfp0p1(Flayer *l, ulong *pp0, ulong *pp1)
316 long p0 = l->p0-l->origin, p1 = l->p1-l->origin;
331 rscale(Rectangle r, Point old, Point new)
333 r.min.x = r.min.x*new.x/old.x;
334 r.min.y = r.min.y*new.y/old.y;
335 r.max.x = r.max.x*new.x/old.x;
336 r.max.y = r.max.y*new.y/old.y;
341 flresize(Rectangle dr)
346 Rectangle r, olDrect;
352 /* no moving on rio; must repaint */
353 if(0 && Dx(dr)==Dx(olDrect) && Dy(dr)==Dy(olDrect))
356 draw(screen, lDrect, display->white, nil, ZP);
357 for(i=0; i<nllist; i++){
362 r = rectaddpt(rectsubpt(l->entire, olDrect.min), dr.min);
364 r = rectaddpt(rscale(rectsubpt(l->entire, olDrect.min),
365 subpt(olDrect.max, olDrect.min),
366 subpt(dr.max, dr.min)), dr.min);
367 if(l->visible==Some && f->b){
375 if(!rectclip(&r, dr))
377 if(r.max.x-r.min.x<100)
379 if(r.max.x-r.min.x<100)
381 if(r.max.y-r.min.y<2*FLMARGIN+f->font->height)
383 if(r.max.y-r.min.y<2*FLMARGIN+f->font->height)
387 frsetrects(f, insetrect(flrect(l, r), FLMARGIN), f->b);
389 scrdraw(l, scrtotal(l));
401 if(l->visible == None)
405 if(l->visible == All)
407 else if((f->b = allocimage(display, l->entire, screen->chan, 0, 0))==0)
409 draw(f->b, l->entire, f->cols[BACK], nil, ZP);
410 border(f->b, l->entire, l==llist[0]? FLMARGIN : 1, f->cols[BORD], ZP);
412 frinit(f, f->entire, f->font, f->b, 0);
413 f->maxtab = maxtab*stringwidth(f->font, "0");
414 r = (*l->textfn)(l, n, &n);
415 frinsert(f, r, r+n, (ulong)0);
416 frdrawsel(f, frptofchar(f, f->p0), f->p0, f->p1, 0);
417 flfp0p1(l, &f->p0, &f->p1);
418 frdrawsel(f, frptofchar(f, f->p0), f->p0, f->p1, 1);
420 scrdraw(l, scrtotal(l));
425 static int somevis, someinvis, justvis;
428 visibility(Flayer *l)
430 somevis = someinvis = 0;
432 flrefresh(l, l->entire, 0);
442 flrefresh(Flayer *l, Rectangle r, int i)
448 if((t=llist[i++]) == l){
450 draw(screen, r, l->f.b, nil, r.min);
453 if(!rectXrect(t->entire, r))
454 goto Top; /* avoid stacking unnecessarily */
455 if(t->entire.min.x>r.min.x){
457 s.max.x = t->entire.min.x;
459 r.min.x = t->entire.min.x;
461 if(t->entire.min.y>r.min.y){
463 s.max.y = t->entire.min.y;
465 r.min.y = t->entire.min.y;
467 if(t->entire.max.x<r.max.x){
469 s.min.x = t->entire.max.x;
471 r.max.x = t->entire.max.x;
473 if(t->entire.max.y<r.max.y){
475 s.min.y = t->entire.max.y;
477 r.max.y = t->entire.max.y;
479 /* remaining piece of r is blocked by t; forget about it */