ref: 608e406ec0d81e33bb6965c0ab6d25d5d12753cf
dir: /index.c/
#include <u.h> #include <libc.h> #include <draw.h> #include <mouse.h> #include <keyboard.h> #include <thread.h> #include <plumb.h> #include "theme.h" #include "a.h" enum { Padding = 4, Scrollwidth = 12, Scrollgap = 2, Scrollminh = 5, Collapsedlines = 10, }; enum { BACK, TEXT, HIGH, SCRL, NCOLS, }; enum { Mplumb, Mdelete, }; char *menustr[] = { "plumb", "delete", nil }; Menu menu = { menustr }; Mousectl *mctl; Channel *showc; Channel *selc; Mailbox *mbox; static Image *cols[NCOLS]; static Rectangle viewr; static Rectangle listr; static Rectangle scrollr; static int nlines; static int offset; static int sel; static int lineh; Message* messageat(int index) { index = mbox->count - index - 1; return mbox->list->elts[index]; } void indexadded(int index) { index = mbox->count - index - 1; if(sel <= index) ++sel; } void indexremoved(int index) { index = mbox->count - index - 1; if(sel >= index){ --sel; if(sel < 0) sel = 0; sendp(selc, messageat(sel)); } } void indexswitch(Mailbox *mb) { sel = 0; offset = 0; mbox = mb; } void ensureselvisible(void) { int n; if(sel > offset && sel < offset + nlines) return; offset = nlines*(sel/nlines); n = mbox->list->nelts; if(offset + n%nlines >= n) offset = n - n%nlines; } Rectangle messagerect(int index) { Point p, q; int n; n = index - offset; p = addpt(listr.min, Pt(Padding, n*lineh + Padding)); q = Pt(listr.max.x, p.y + lineh); return Rpt(p, q); } void drawmessage(int index, int selected) { const Rune *ellipsis = L"…"; Message *m; Image *fg, *bg; char *s, buf[9], n, r; Tm t; Rune rn; int i, w; Rectangle lr; Point p, pe; lr = messagerect(index); bg = selected ? cols[HIGH] : cols[BACK]; fg = cols[TEXT]; draw(screen, rectsubpt(lr, Pt(0, Padding/2)), bg, nil, ZP); m = messageat(index); n = m->flags&Fseen?' ':'N'; r = m->flags&Fanswered ? 'R':' '; snprint(buf, sizeof buf, "[%c%c] ", n, r); p = lr.min; p = string(screen, p, fg, ZP, font, buf); tmtime(&t, m->time, nil); snprint(buf, sizeof buf, "%τ", tmfmt(&t, "DD/MM/YY")); p = string(screen, p, fg, ZP, font, buf); p = string(screen, p, fg, ZP, font, " "); s = m->sender; pe = addpt(p, Pt(20*stringwidth(font, " "), 0)); for(i = 0; i < 20; i++){ if(*s == '@') s = ""; if(*s && i == 19){ p = runestringn(screen, p, fg, ZP, font, ellipsis, 1); break; }else if(*s){ s += chartorune(&rn, s); p = runestringn(screen, p, fg, ZP, font, &rn, 1); }else p = stringn(screen, p, fg, ZP, font, " ", 1); } p = string(screen, pe, fg, ZP, font, " "); s = m->subject; while(s && *s){ s += chartorune(&rn, s); w = runestringnwidth(font, &rn, 1); if(p.x + w + 2*Padding > viewr.max.x){ runestringn(screen, p, fg, ZP, font, ellipsis, 1); break; } p = runestringn(screen, p, fg, ZP, font, &rn, 1); } } void indexdraw(void) { Rectangle scrposr; int i, h, y; draw(screen, viewr, cols[BACK], nil, ZP); draw(screen, scrollr, cols[SCRL], nil, ZP); h = ((double)nlines/mbox->count) * Dy(scrollr); y = ((double)offset/mbox->count) * Dy(scrollr); if(h < Scrollminh) h = Scrollminh; scrposr = Rpt(addpt(scrollr.min, Pt(0,y)), addpt(scrollr.min, Pt(Dx(scrollr)-1, y+h))); draw(screen, scrposr, cols[BACK], nil, ZP); for(i = offset; i < offset + nlines; i++){ if(i >= mbox->list->nelts) break; drawmessage(i, i == sel); } } void indexdrawsync(void) { indexdraw(); flushimage(display, 1); } Rectangle indexresize(Rectangle r, int collapsed) { lineh = font->height + Padding; viewr = r; if(collapsed) viewr.max.y = viewr.min.y + Collapsedlines * lineh + Padding; scrollr = viewr; scrollr.max.x = scrollr.min.x + Scrollwidth + Scrollgap; scrollr = insetrect(scrollr, 1); listr = viewr; listr.min.x += Scrollwidth + Scrollgap; listr.max.x -= Padding; nlines = Dy(viewr) / lineh; ensureselvisible(); return viewr; } void indexinit(Mousectl *mc, Channel *c0, Channel *c1, Theme *theme) { Rectangle r; sel = 0; offset = 0; mctl = mc; showc = c0; selc = c1; if(theme != nil){ cols[BACK] = theme->back; cols[TEXT] = theme->text; cols[HIGH] = theme->border; cols[SCRL] = theme->border; }else{ r = Rect(0, 0, 1, 1); cols[BACK] = display->white; cols[TEXT] = display->black; cols[HIGH] = allocimage(display, r, screen->chan, 1, 0xCCCCCCFF); cols[SCRL] = allocimage(display, r, screen->chan, 1, 0x999999FF); /* cols[BACK] = allocimage(display, r, screen->chan, 1, 0x282828FF); cols[TEXT] = allocimage(display, r, screen->chan, 1, 0xA89984FF); cols[HIGH] = allocimage(display, r, screen->chan, 1, 0x3C3836FF); cols[SCRL] = allocimage(display, r, screen->chan, 1, 0x504945FF); */ } } void scroll(int Δ) { int nelts; nelts = mbox->list->nelts; if(nelts <= nlines) return; if(Δ < 0 && offset == 0) return; if(Δ > 0 && offset + nlines >= nelts) return; offset += Δ; if(offset < 0) offset = 0; if(offset + nelts%nlines >= nelts) offset = nelts - nelts%nlines; indexdrawsync(); } void select(int newsel, Channel *c) { if(newsel < 0) newsel = 0; if(newsel >= mbox->count) newsel = mbox->count - 1; if(newsel == sel) return; if(newsel < offset || newsel >= offset + nlines){ sel = newsel; ensureselvisible(); indexdraw(); }else{ drawmessage(sel, 0); drawmessage(newsel, 1); sel = newsel; } flushimage(display, 1); sendp(c, messageat(sel)); } static int indexat(Point p) { return offset + (p.y-listr.min.y)/lineh; } static void plumbmsg(Message *m) { int fd; fd = plumbopen("send", OWRITE|OCEXEC); if(fd<0) return; plumbsendtext(fd, "mongrel", nil, nil, m->path); close(fd); } static void menu2hit(Mouse m) { int n; n = menuhit(2, mctl, &menu, nil); switch(n){ case Mplumb: select(indexat(m.xy), selc); plumbmsg(messageat(sel)); break; case Mdelete: select(indexat(m.xy), selc); mesgdel(mbox, messageat(sel)); break; } } void indexmouse(Mouse m) { int n; if(!ptinrect(m.xy, viewr)) return; if(ptinrect(m.xy, listr)){ if(m.buttons & 1){ select(indexat(m.xy), selc); }else if(m.buttons & 2){ menu2hit(m); }else if(m.buttons & 4){ n = indexat(m.xy); if(n != sel) select(indexat(m.xy), showc); else sendp(showc, messageat(sel)); }else if(m.buttons & 8){ n = mousescrollsize(nlines); scroll(-n); }else if(m.buttons & 16){ n = mousescrollsize(nlines); scroll(n); } }else if(ptinrect(m.xy, scrollr)){ if(m.buttons & 1){ n = (m.xy.y - scrollr.min.y) / lineh; scroll(-n); }else if(m.buttons & 2){ offset = (m.xy.y - scrollr.min.y) * mbox->list->nelts / Dy(scrollr); indexdrawsync(); }else if(m.buttons & 4){ n = (m.xy.y - scrollr.min.y) / lineh; scroll(n); } } } void indexkey(Rune k) { switch(k){ case Kup: select(sel - 1, selc); break; case Kdown: select(sel + 1, selc); break; case Kpgup: select(sel - nlines, selc); break; case Kpgdown: select(sel + nlines, selc); break; case Khome: select(0, selc); break; case Kend: select(mbox->count - 1, selc); break; case '\n': sendp(showc, messageat(sel)); break; } }