all repos — acme @ 27aa20a319d9b390ae5bc6ac230d84b509866dfc

fork of the acme editor from plan9port - keybinds, tweaks, config.h, etc

add config.h, fix tag pixel bug, tweak colors, add libframe with cursor fix
Iris Lightshard nilix@nilfm.cc
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commit

27aa20a319d9b390ae5bc6ac230d84b509866dfc

parent

fe2024f43eb460cf9d0f9a1129269ba1ca3e1235

M .gitignore.gitignore

@@ -1,3 +1,5 @@

+config.h **/*.o +**/*.a **/o.* acme
M acme.cacme.c

@@ -15,6 +15,9 @@ /* for generating syms in mkfile only: */

#include <bio.h> #include "edit.h" +/* configuration file */ +#include "config.h" + void mousethread(void*); void keyboardthread(void*); void waitthread(void*);

@@ -37,9 +40,7 @@ NSnarf = 1000 /* less than 1024, I/O buffer size */

}; Rune snarfrune[NSnarf + 1]; -char* fontnames[2] = { - "/lib/font/bit/lucsans/typeunicode.7.font", - "/lib/font/bit/lucm/unicode.9.font"}; +char* fontnames[2] = {PRIMARY_FONT, SECONDARY_FONT}; Command* command;

@@ -52,14 +53,15 @@ void derror(Display* d, char* errorstr) {

USED(d); error(errorstr); } + +// we need to share this btw mainthread and mousethread void threadmain(int argc, char* argv[]) { int i; char *p, *loadfile; + Display* d; + int ncol; Column* c; - int ncol; - Display* d; - rfork(RFENVG | RFNAMEG); ncol = -1;

@@ -71,10 +73,10 @@ extern int _threaddebuglevel;

_threaddebuglevel = ~0; } break; case 'a': - globalindent[AUTOINDENT] = TRUE; + globalindent[AUTOINDENT] = !AUTOINDENT_DEFAULT; break; case 'b': - bartflag = TRUE; + bartflag = !CLICKFOCUS_DEFAULT; break; case 'c': p = ARGF();

@@ -95,7 +97,7 @@ if (fontnames[1] == nil)

goto Usage; break; case 'i': - globalindent[SPACESINDENT] = TRUE; + globalindent[SPACESINDENT] = !TABSTOSPACES_DEFAULT; break; case 'l': loadfile = ARGF();

@@ -501,6 +503,7 @@ Mouse m;

char* act; enum { MResize, MMouse, MPlumb, MWarnings, NMALT }; static Alt alts[NMALT + 1]; + int click; USED(v); threadsetname("mousethread");

@@ -521,6 +524,7 @@ alts[MPlumb].op = CHANNOP;

alts[NMALT].op = CHANEND; for (;;) { + click = 0; qlock(&row.lk); flushwarnings(); qunlock(&row.lk);

@@ -532,7 +536,7 @@ error("attach to window");

draw( screen, screen->r, - allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, 0x222222FF), + allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, COLOR_EMPTY), nil, ZP); iconinit();

@@ -630,8 +634,10 @@ }

goto Continue; } if (m.buttons) { - if (w) + if (w) { + click = 1; winlock(w, 'M'); + } t->eq0 = ~0; if (w) wincommit(w, t);

@@ -647,6 +653,7 @@ if (t->col)

activecol = t->col; /* button 1 only */ if (t->w != nil && t == &t->w->body) activewin = t->w; + } else if (m.buttons & 2) { if (textselect2(t, &q0, &q1, &argt)) execute(t, q0, q1, FALSE, argt);

@@ -659,6 +666,10 @@ winunlock(w);

goto Continue; } Continue: + /*if (click && w) { + /* draw hilighted border around active window + windrawideco(w, w->col->row->col, w->col->row->ncol); + }*/ qunlock(&row.lk); break; }

@@ -968,34 +979,36 @@ 0x3F, 0xFF, 0xFF, 0xFC, 0x3F, 0xFF, 0xFF, 0xFC, 0x3F, 0xFF, 0xFF, 0xFC, 0x3F,

0xFF, 0xFF, 0xFC, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}; void iconinit(void) { - Rectangle r; + Rectangle r, r1; Image* tmp; if (tagcols[BACK] == nil) { /* Black */ tagcols[BACK] = - allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, DBlack); + allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, COLOR_TAG_BG); tagcols[HIGH] = - allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, 0x1F9B92FF); + allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, COLOR_TAG_HI); tagcols[BORD] = - allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, 0x797979FF); + allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, COLOR_TAG_BD); tagcols[TEXT] = - allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, 0x797979FF); - tagcols[HTEXT] = display->black; + allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, COLOR_TAG_TX); + tagcols[HTEXT] = + allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, COLOR_TAG_HT); /* Blue */ textcols[BACK] = - allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, 0x000F19FF); + allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, COLOR_BODY_BG); textcols[HIGH] = - allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, 0x1F9B92FF); + allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, COLOR_BODY_HI); textcols[BORD] = - allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, 0x93A1A1FF); + allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, COLOR_BODY_BD); textcols[TEXT] = - allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, 0x93A1A1FF); - textcols[HTEXT] = display->black; + allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, COLOR_BODY_TX); + textcols[HTEXT] = + allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, COLOR_BODY_HT); } - r = Rect(0, 0, Scrollwid + ButtonBorder, font->height + 1); + r = Rect(0, 0, Scrollwid, font->height + 1); if (button && eqrect(r, button->r)) return;

@@ -1007,24 +1020,22 @@ }

button = allocimage(display, r, screen->chan, 0, DNofill); draw(button, r, tagcols[BACK], nil, r.min); - r.max.x -= ButtonBorder; border(button, r, ButtonBorder, tagcols[BORD], ZP); r = button->r; modbutton = allocimage(display, r, screen->chan, 0, DNofill); draw(modbutton, r, tagcols[BACK], nil, r.min); - r.max.x -= ButtonBorder; border(modbutton, r, ButtonBorder, tagcols[BORD], ZP); r = insetrect(r, ButtonBorder); - tmp = allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, 0x09998DFF); + tmp = allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, COLOR_BTN_MD); draw(modbutton, r, tmp, nil, ZP); freeimage(tmp); r = button->r; - colbutton = allocimage(display, r, screen->chan, 0, 0x586E75FF); + colbutton = allocimage(display, r, screen->chan, 0, COLOR_BTN_CO); - but2col = allocimage(display, r, screen->chan, 1, 0x797979FF); - but3col = allocimage(display, r, screen->chan, 1, 0x36D3C6FF); + but2col = allocimage(display, r, screen->chan, 1, COLOR_B2_HI); + but3col = allocimage(display, r, screen->chan, 1, COLOR_B3_HI); } /*
M build.shbuild.sh

@@ -1,7 +1,12 @@

#!/bin/sh +if [ ! -e ./config.h ]; then + cp config.def.h config.h +fi + clang-format -i ./*.c clang-format -i ./mail/*.c +clang-format -i ./libframe/*.c mk clean mk
A config.def.h

@@ -0,0 +1,59 @@

+/****************** + * acme9k1 config * + ******************/ + +/********** + * colors * + **********/ + +/* when column is empty */ +#define COLOR_EMPTY 0x222222FF + +/* tag & body colors: bg, hilight, border, text, hilighted text */ +#define COLOR_TAG_BG 0x000000FF +#define COLOR_TAG_HI 0x1F9b92FF +#define COLOR_TAG_BD 0x797979FF +#define COLOR_TAG_TX 0xC9C9C9FF +#define COLOR_TAG_HT 0x000000FF + +#define COLOR_BODY_BG 0x000F19FF +#define COLOR_BODY_HI 0x1F9B92FF +#define COLOR_BODY_BD 0x797979FF +#define COLOR_BODY_TX 0x93A1A1FF +#define COLOR_BODY_HT 0x000000FF + +/* button colors: dirty file (mod) indicator and column handles */ + +#define COLOR_BTN_MD 0x1F9B92FF +#define COLOR_BTN_CO 0x586E75FF + +/* button 2 and 3 selection colors */ + +#define COLOR_B2_HI 0x797979FF +#define COLOR_B3_HI 0x002B36FF + +/********* + * fonts * + *********/ + +/* can use either x fonts via fontsrv or p9p fonts */ + +#define PRIMARY_FONT "/mnt/font/SauceCodeProNerdFontComplete-Regular/9a/font" +#define SECONDARY_FONT "/lib/font/bit/lucm/unicode.9.font" + + +/******** + * misc * + ********/ + +/* 0 = focus follows mouse, 1 = click to focus; -b flag will invert this */ + +#define CLICKFOCUS_DEFAULT 0 + +/* 0 = literal tabs, 1 = tabs to spaces; -i flag will invert this */ + +#define TABSTOSPACES_DEFAULT 0 + +/* 0 = no auto indent, 1 = autoindent; -a flag will invert this */ + +#define AUTOINDENT_DEFAULT 0
M dat.hdat.h

@@ -215,7 +215,7 @@ void textinit(Text*, File*, Rectangle, Reffont*, Image**);

void textinsert(Text*, uint, Rune*, uint, int); int textload(Text*, uint, char*, int); Rune textreadc(Text*, uint); -void textredraw(Text*, Rectangle, Font*, Image*, int); +void textredraw(Text*, Rectangle, Font*, Image*, int, int); void textreset(Text*); int textresize(Text*, Rectangle, int); void textscrdraw(Text*);

@@ -304,6 +304,7 @@ void winmousebut(Window*);

void winaddincl(Window*, Rune*, int); void wincleartag(Window*); char *winctlprint(Window*, char*, int); +void windrawideco(Window*, Column**, int); struct Column {
A libframe/frbox.c

@@ -0,0 +1,143 @@

+#include <u.h> +#include <libc.h> +#include <draw.h> +#include <mouse.h> +#include <frame.h> + +#define SLOP 25 + +void _fraddbox(Frame* f, int bn, int n) /* add n boxes after bn, shift the rest + * up, box[bn+n]==box[bn] */ +{ + int i; + + if (bn > f->nbox) + drawerror(f->display, "_fraddbox"); + if (f->nbox + n > f->nalloc) + _frgrowbox(f, n + SLOP); + for (i = f->nbox; --i >= bn;) + f->box[i + n] = f->box[i]; + f->nbox += n; +} + +void _frclosebox(Frame* f, int n0, int n1) /* inclusive */ +{ + int i; + + if (n0 >= f->nbox || n1 >= f->nbox || n1 < n0) + drawerror(f->display, "_frclosebox"); + n1++; + for (i = n1; i < f->nbox; i++) + f->box[i - (n1 - n0)] = f->box[i]; + f->nbox -= n1 - n0; +} + +void _frdelbox(Frame* f, int n0, int n1) /* inclusive */ +{ + if (n0 >= f->nbox || n1 >= f->nbox || n1 < n0) + drawerror(f->display, "_frdelbox"); + _frfreebox(f, n0, n1); + _frclosebox(f, n0, n1); +} + +void _frfreebox(Frame* f, int n0, int n1) /* inclusive */ +{ + int i; + + if (n1 < n0) + return; + if (n0 >= f->nbox || n1 >= f->nbox) + drawerror(f->display, "_frfreebox"); + n1++; + for (i = n0; i < n1; i++) + if (f->box[i].nrune >= 0) + free(f->box[i].ptr); +} + +void _frgrowbox(Frame* f, int delta) { + f->nalloc += delta; + f->box = realloc(f->box, f->nalloc * sizeof(Frbox)); + if (f->box == 0) + drawerror(f->display, "_frgrowbox"); +} + +static void dupbox(Frame* f, int bn) { + uchar* p; + + if (f->box[bn].nrune < 0) + drawerror(f->display, "dupbox"); + _fraddbox(f, bn, 1); + if (f->box[bn].nrune >= 0) { + p = _frallocstr(f, NBYTE(&f->box[bn]) + 1); + strcpy((char*)p, (char*)f->box[bn].ptr); + f->box[bn + 1].ptr = p; + } +} + +static uchar* runeindex(uchar* p, int n) { + int i, w; + Rune rune; + + for (i = 0; i < n; i++, p += w) + if (*p < Runeself) + w = 1; + else { + w = chartorune(&rune, (char*)p); + USED(rune); + } + return p; +} + +static void truncatebox( + Frame* f, Frbox* b, int n) /* drop last n chars; no allocation done */ +{ + if (b->nrune < 0 || b->nrune < n) + drawerror(f->display, "truncatebox"); + b->nrune -= n; + runeindex(b->ptr, b->nrune)[0] = 0; + b->wid = stringwidth(f->font, (char*)b->ptr); +} + +static void chopbox( + Frame* f, Frbox* b, int n) /* drop first n chars; no allocation done */ +{ + char* p; + + if (b->nrune < 0 || b->nrune < n) + drawerror(f->display, "chopbox"); + p = (char*)runeindex(b->ptr, n); + memmove((char*)b->ptr, p, strlen(p) + 1); + b->nrune -= n; + b->wid = stringwidth(f->font, (char*)b->ptr); +} + +void _frsplitbox(Frame* f, int bn, int n) { + dupbox(f, bn); + truncatebox(f, &f->box[bn], f->box[bn].nrune - n); + chopbox(f, &f->box[bn + 1], n); +} + +void _frmergebox(Frame* f, int bn) /* merge bn and bn+1 */ +{ + Frbox* b; + + b = &f->box[bn]; + _frinsure(f, bn, NBYTE(&b[0]) + NBYTE(&b[1]) + 1); + strcpy((char*)runeindex(b[0].ptr, b[0].nrune), (char*)b[1].ptr); + b[0].wid += b[1].wid; + b[0].nrune += b[1].nrune; + _frdelbox(f, bn + 1, bn + 1); +} + +int _frfindbox( + Frame* f, int bn, ulong p, + ulong q) /* find box containing q and put q on a box boundary */ +{ + Frbox* b; + + for (b = &f->box[bn]; bn < f->nbox && p + NRUNE(b) <= q; bn++, b++) + p += NRUNE(b); + if (p != q) + _frsplitbox(f, bn++, (int)(q - p)); + return bn; +}
A libframe/frdelete.c

@@ -0,0 +1,139 @@

+#include <u.h> +#include <libc.h> +#include <draw.h> +#include <mouse.h> +#include <frame.h> + +int frdelete(Frame* f, ulong p0, ulong p1) { + Point pt0, pt1, ppt0; + Frbox* b; + int n0, n1, n, w0; + ulong cn1; + Rectangle r; + int nn0; + Image* col; + + if (p0 >= f->nchars || p0 == p1 || f->b == nil) + return 0; + if (p1 > f->nchars) + p1 = f->nchars; + n0 = _frfindbox(f, 0, 0, p0); + if (n0 == f->nbox) + drawerror(f->display, "off end in frdelete"); + n1 = _frfindbox(f, n0, p0, p1); + pt0 = _frptofcharnb(f, p0, n0); + pt1 = frptofchar(f, p1); + if (f->p0 == f->p1) + frtick(f, frptofchar(f, f->p0), 0); + nn0 = n0; + ppt0 = pt0; + _frfreebox(f, n0, n1 - 1); + f->modified = 1; + + /* + * Invariants: + * - pt0 points to beginning, pt1 points to end + * - n0 is box containing beginning of stuff being deleted + * - n1, b are box containing beginning of stuff to be kept after deletion + * - cn1 is char position of n1 + * - f->p0 and f->p1 are not adjusted until after all deletion is done + */ + b = &f->box[n1]; + cn1 = p1; + while (pt1.x != pt0.x && n1 < f->nbox) { + _frcklinewrap0(f, &pt0, b); + _frcklinewrap(f, &pt1, b); + n = _frcanfit(f, pt0, b); + if (n == 0) + drawerror(f->display, "_frcanfit==0"); + r.min = pt0; + r.max = pt0; + r.max.y += f->font->height; + if (b->nrune > 0) { + w0 = b->wid; + if (n != b->nrune) { + _frsplitbox(f, n1, n); + b = &f->box[n1]; + } + r.max.x += b->wid; + draw(f->b, r, f->b, nil, pt1); + cn1 += b->nrune; + + /* blank remainder of line */ + r.min.x = r.max.x; + r.max.x += w0 - b->wid; + if (r.max.x > f->r.max.x) + r.max.x = f->r.max.x; + draw(f->b, r, f->cols[BACK], nil, r.min); + } else { + r.max.x += _frnewwid0(f, pt0, b); + if (r.max.x > f->r.max.x) + r.max.x = f->r.max.x; + col = f->cols[BACK]; + if (f->p0 <= cn1 && cn1 < f->p1) + col = f->cols[HIGH]; + draw(f->b, r, col, nil, pt0); + cn1++; + } + _fradvance(f, &pt1, b); + pt0.x += _frnewwid(f, pt0, b); + f->box[n0++] = f->box[n1++]; + b++; + } + if (n1 == f->nbox && pt0.x != pt1.x) /* deleting last thing in window; must + clean up */ + frselectpaint(f, pt0, pt1, f->cols[BACK]); + if (pt1.y != pt0.y) { + Point pt2; + + pt2 = _frptofcharptb(f, 32767, pt1, n1); + if (pt2.y > f->r.max.y) + drawerror(f->display, "frptofchar in frdelete"); + if (n1 < f->nbox) { + int q0, q1, q2; + + q0 = pt0.y + f->font->height; + q1 = pt1.y + f->font->height; + q2 = pt2.y + f->font->height; + if (q2 > f->r.max.y) + q2 = f->r.max.y; + draw( + f->b, + Rect(pt0.x, pt0.y, pt0.x + (f->r.max.x - pt1.x), q0), + f->b, + nil, + pt1); + draw( + f->b, + Rect(f->r.min.x, q0, f->r.max.x, q0 + (q2 - q1)), + f->b, + nil, + Pt(f->r.min.x, q1)); + frselectpaint(f, Pt(pt2.x, pt2.y - (pt1.y - pt0.y)), pt2, f->cols[BACK]); + } else + frselectpaint(f, pt0, pt2, f->cols[BACK]); + } + _frclosebox(f, n0, n1 - 1); + if ( + nn0 > 0 && f->box[nn0 - 1].nrune >= 0 && + ppt0.x - f->box[nn0 - 1].wid >= (int)f->r.min.x) { + --nn0; + ppt0.x -= f->box[nn0].wid; + } + _frclean(f, ppt0, nn0, n0 < f->nbox - 1 ? n0 + 1 : n0); + if (f->p1 > p1) + f->p1 -= p1 - p0; + else if (f->p1 > p0) + f->p1 = p0; + if (f->p0 > p1) + f->p0 -= p1 - p0; + else if (f->p0 > p0) + f->p0 = p0; + f->nchars -= p1 - p0; + if (f->p0 == f->p1) + frtick(f, frptofchar(f, f->p0), 1); + pt0 = frptofchar(f, f->nchars); + n = f->nlines; + f->nlines = (pt0.y - f->r.min.y) / f->font->height + (pt0.x > f->r.min.x); + return n - f->nlines; +}
A libframe/frdraw.c

@@ -0,0 +1,200 @@

+#include <u.h> +#include <libc.h> +#include <draw.h> +#include <mouse.h> +#include <frame.h> + +void _frdrawtext(Frame* f, Point pt, Image* text, Image* back) { + Frbox* b; + int nb; + + for (nb = 0, b = f->box; nb < f->nbox; nb++, b++) { + _frcklinewrap(f, &pt, b); + if (!f->noredraw && b->nrune >= 0) + stringbg(f->b, pt, text, ZP, f->font, (char*)b->ptr, back, ZP); + pt.x += b->wid; + } +} + +static int nbytes(char* s0, int nr) { + char* s; + Rune r; + + s = s0; + while (--nr >= 0) + s += chartorune(&r, s); + return s - s0; +} + +void frdrawsel(Frame* f, Point pt, ulong p0, ulong p1, int issel) { + Image *back, *text; + + if (f->ticked) + frtick(f, frptofchar(f, f->p0), 0); + + if (p0 == p1) { + frtick(f, pt, issel); + return; + } + + if (issel) { + back = f->cols[HIGH]; + text = f->cols[HTEXT]; + } else { + back = f->cols[BACK]; + text = f->cols[TEXT]; + } + + frdrawsel0(f, pt, p0, p1, back, text); +} + +Point frdrawsel0( + Frame* f, Point pt, ulong p0, ulong p1, Image* back, Image* text) { + Frbox* b; + int nb, nr, w, x, trim; + Point qt; + uint p; + char* ptr; + + if (p0 > p1) + sysfatal("libframe: frdrawsel0 p0=%lud > p1=%lud", p0, p1); + + p = 0; + b = f->box; + trim = 0; + for (nb = 0; nb < f->nbox && p < p1; nb++) { + nr = b->nrune; + if (nr < 0) + nr = 1; + if (p + nr <= p0) + goto Continue; + if (p >= p0) { + qt = pt; + _frcklinewrap(f, &pt, b); + /* fill in the end of a wrapped line */ + if (pt.y > qt.y) + draw(f->b, Rect(qt.x, qt.y, f->r.max.x, pt.y), back, nil, qt); + } + ptr = (char*)b->ptr; + if (p < p0) { /* beginning of region: advance into box */ + ptr += nbytes(ptr, p0 - p); + nr -= (p0 - p); + p = p0; + } + trim = 0; + if (p + nr > p1) { /* end of region: trim box */ + nr -= (p + nr) - p1; + trim = 1; + } + if (b->nrune < 0 || nr == b->nrune) + w = b->wid; + else + w = stringnwidth(f->font, ptr, nr); + x = pt.x + w; + if (x > f->r.max.x) + x = f->r.max.x; + draw(f->b, Rect(pt.x, pt.y, x, pt.y + f->font->height), back, nil, pt); + if (b->nrune >= 0) + stringnbg(f->b, pt, text, ZP, f->font, ptr, nr, back, ZP); + pt.x += w; + Continue: + b++; + p += nr; + } + /* if this is end of last plain text box on wrapped line, fill to end of line + */ + if ( + p1 > p0 && b > f->box && b < f->box + f->nbox && b[-1].nrune > 0 && !trim) { + qt = pt; + _frcklinewrap(f, &pt, b); + if (pt.y > qt.y) + draw(f->b, Rect(qt.x, qt.y, f->r.max.x, pt.y), back, nil, qt); + } + return pt; +} + +void frredraw(Frame* f) { + int ticked; + Point pt; + + if (f->p0 == f->p1) { + ticked = f->ticked; + if (ticked) + frtick(f, frptofchar(f, f->p0), 0); + frdrawsel0(f, frptofchar(f, 0), 0, f->nchars, f->cols[BACK], f->cols[TEXT]); + if (ticked) + frtick(f, frptofchar(f, f->p0), 1); + return; + } + + pt = frptofchar(f, 0); + pt = frdrawsel0(f, pt, 0, f->p0, f->cols[BACK], f->cols[TEXT]); + pt = frdrawsel0(f, pt, f->p0, f->p1, f->cols[HIGH], f->cols[HTEXT]); + pt = frdrawsel0(f, pt, f->p1, f->nchars, f->cols[BACK], f->cols[TEXT]); +} + +static void _frtick(Frame* f, Point pt, int ticked) { + Rectangle r; + + if (f->ticked == ticked || f->tick == 0 || !ptinrect(pt, f->r)) + return; + pt.x -= f->tickscale; /* looks best just left of where requested */ + r = Rect(pt.x, pt.y, pt.x + FRTICKW * f->tickscale, pt.y + f->font->height); + /* can go into left border but not right */ + if (r.max.x > f->r.max.x) + r.max.x = f->r.max.x; + if (ticked) { + draw(f->tickback, f->tickback->r, f->b, nil, pt); + draw(f->b, r, f->tick, nil, ZP); + } else + draw(f->b, r, f->tickback, nil, ZP); + f->ticked = ticked; +} + +void frtick(Frame* f, Point pt, int ticked) { + if (f->tickscale != scalesize(f->display, 1)) { + if (f->ticked) + _frtick(f, pt, 0); + frinittick(f); + } + _frtick(f, pt, ticked); +} + +Point _frdraw(Frame* f, Point pt) { + Frbox* b; + int nb, n; + + for (b = f->box, nb = 0; nb < f->nbox; nb++, b++) { + _frcklinewrap0(f, &pt, b); + if (pt.y == f->r.max.y) { + f->nchars -= _frstrlen(f, nb); + _frdelbox(f, nb, f->nbox - 1); + break; + } + if (b->nrune > 0) { + n = _frcanfit(f, pt, b); + if (n == 0) + break; + if (n != b->nrune) { + _frsplitbox(f, nb, n); + b = &f->box[nb]; + } + pt.x += b->wid; + } else { + if (b->bc == '\n') { + pt.x = f->r.min.x; + pt.y += f->font->height; + } else + pt.x += _frnewwid(f, pt, b); + } + } + return pt; +} + +int _frstrlen(Frame* f, int nb) { + int n; + + for (n = 0; nb < f->nbox; nb++) + n += NRUNE(&f->box[nb]); + return n; +}
A libframe/frinit.c

@@ -0,0 +1,106 @@

+#include <u.h> +#include <libc.h> +#include <draw.h> +#include <mouse.h> +#include <frame.h> + +void frinit(Frame* f, Rectangle r, Font* ft, Image* b, Image* cols[NCOL]) { + f->font = ft; + f->display = b->display; + f->maxtab = 8 * stringwidth(ft, "0"); + f->nbox = 0; + f->nalloc = 0; + f->nchars = 0; + f->nlines = 0; + f->p0 = 0; + f->p1 = 0; + f->box = 0; + f->lastlinefull = 0; + if (cols != 0) + memmove(f->cols, cols, sizeof f->cols); + frsetrects(f, r, b); + if (f->tick == nil && f->cols[BACK] != 0) + frinittick(f); +} + +void frinittick(Frame* f) { + Image* b; + Font* ft; + + if (f->cols[BACK] == nil || f->display == nil) + return; + f->tickscale = scalesize(f->display, 1); + b = f->display->screenimage; + ft = f->font; + if (f->tick) + freeimage(f->tick); + f->tick = allocimage( + f->display, + Rect(0, 0, f->tickscale * FRTICKW, ft->height), + b->chan, + 0, + DWhite); + if (f->tick == nil) + return; + if (f->tickback) + freeimage(f->tickback); + f->tickback = allocimage(f->display, f->tick->r, b->chan, 0, DWhite); + if (f->tickback == 0) { + freeimage(f->tick); + f->tick = 0; + return; + } + /* background color */ + draw(f->tick, f->tick->r, f->cols[BACK], nil, ZP); + /* vertical line */ + draw( + f->tick, + Rect( + f->tickscale * (FRTICKW / 2), + 0, + f->tickscale * (FRTICKW / 2 + 1), + ft->height), + f->cols[TEXT], + nil, + ZP); + /* box on each end */ + draw( + f->tick, + Rect(0, 0, f->tickscale * FRTICKW, f->tickscale * FRTICKW), + f->cols[TEXT], + nil, + ZP); + draw( + f->tick, + Rect( + 0, + ft->height - f->tickscale * FRTICKW, + f->tickscale * FRTICKW, + ft->height), + f->cols[TEXT], + nil, + ZP); +} + +void frsetrects(Frame* f, Rectangle r, Image* b) { + f->b = b; + f->entire = r; + f->r = r; + f->r.max.y -= (r.max.y - r.min.y) % f->font->height; + f->maxlines = (r.max.y - r.min.y) / f->font->height; +} + +void frclear(Frame* f, int freeall) { + if (f->nbox) + _frdelbox(f, 0, f->nbox - 1); + if (f->box) + free(f->box); + if (freeall) { + freeimage(f->tick); + freeimage(f->tickback); + f->tick = 0; + f->tickback = 0; + } + f->box = 0; + f->ticked = 0; +}
A libframe/frinsert.c

@@ -0,0 +1,285 @@

+#include <u.h> +#include <libc.h> +#include <draw.h> +#include <mouse.h> +#include <frame.h> + +#define DELTA 25 +#define TMPSIZE 256 +static Frame frame; + +static Point bxscan(Frame* f, Rune* sp, Rune* ep, Point* ppt) { + int w, c, nb, delta, nl, nr, rw; + Frbox* b; + char *s, tmp[TMPSIZE + 3]; /* +3 for rune overflow */ + uchar* p; + + frame.r = f->r; + frame.b = f->b; + frame.font = f->font; + frame.maxtab = f->maxtab; + frame.nbox = 0; + frame.nchars = 0; + memmove(frame.cols, f->cols, sizeof frame.cols); + delta = DELTA; + nl = 0; + for (nb = 0; sp < ep && nl <= f->maxlines; nb++, frame.nbox++) { + if (nb == frame.nalloc) { + _frgrowbox(&frame, delta); + if (delta < 10000) + delta *= 2; + } + b = &frame.box[nb]; + c = *sp; + if (c == '\t' || c == '\n') { + b->bc = c; + b->wid = 5000; + b->minwid = (c == '\n') ? 0 : stringwidth(frame.font, " "); + b->nrune = -1; + if (c == '\n') + nl++; + frame.nchars++; + sp++; + } else { + s = tmp; + nr = 0; + w = 0; + while (sp < ep) { + c = *sp; + if (c == '\t' || c == '\n') + break; + rw = runetochar(s, sp); + if (s + rw >= tmp + TMPSIZE) + break; + w += runestringnwidth(frame.font, sp, 1); + sp++; + s += rw; + nr++; + } + *s++ = 0; + p = _frallocstr(f, s - tmp); + b = &frame.box[nb]; + b->ptr = p; + memmove(p, tmp, s - tmp); + b->wid = w; + b->nrune = nr; + frame.nchars += nr; + } + } + _frcklinewrap0(f, ppt, &frame.box[0]); + return _frdraw(&frame, *ppt); +} + +static void chopframe(Frame* f, Point pt, ulong p, int bn) { + Frbox* b; + + for (b = &f->box[bn];; b++) { + if (b >= &f->box[f->nbox]) + drawerror(f->display, "endofframe"); + _frcklinewrap(f, &pt, b); + if (pt.y >= f->r.max.y) + break; + p += NRUNE(b); + _fradvance(f, &pt, b); + } + f->nchars = p; + f->nlines = f->maxlines; + if (b < &f->box[f->nbox]) /* BUG */ + _frdelbox(f, (int)(b - f->box), f->nbox - 1); +} + +void frinsert(Frame* f, Rune* sp, Rune* ep, ulong p0) { + Point pt0, pt1, opt0, ppt0, ppt1, pt; + Frbox* b; + int n, n0, nn0, y; + ulong cn0; + Image *col, *tcol; + Rectangle r; + static struct { Point pt0, pt1; } * pts; + static int nalloc = 0; + int npts; + + if (p0 > f->nchars || sp == ep || f->b == nil) + return; + n0 = _frfindbox(f, 0, 0, p0); + cn0 = p0; + nn0 = n0; + pt0 = _frptofcharnb(f, p0, n0); + ppt0 = pt0; + opt0 = pt0; + pt1 = bxscan(f, sp, ep, &ppt0); + ppt1 = pt1; + if (n0 < f->nbox) { + _frcklinewrap(f, &pt0, b = &f->box[n0]); /* for frdrawsel() */ + _frcklinewrap0(f, &ppt1, b); + } + f->modified = 1; + /* + * ppt0 and ppt1 are start and end of insertion as they will appear when + * insertion is complete. pt0 is current location of insertion position + * (p0); pt1 is terminal point (without line wrap) of insertion. + */ + if (f->p0 == f->p1) + frtick(f, frptofchar(f, f->p0), 0); + + /* + * Find point where old and new x's line up + * Invariants: + * pt0 is where the next box (b, n0) is now + * pt1 is where it will be after the insertion + * If pt1 goes off the rectangle, we can toss everything from there on + */ + for (b = &f->box[n0], npts = 0; + pt1.x != pt0.x && pt1.y != f->r.max.y && n0 < f->nbox; + b++, n0++, npts++) { + _frcklinewrap(f, &pt0, b); + _frcklinewrap0(f, &pt1, b); + if (b->nrune > 0) { + n = _frcanfit(f, pt1, b); + if (n == 0) + drawerror(f->display, "_frcanfit==0"); + if (n != b->nrune) { + _frsplitbox(f, n0, n); + b = &f->box[n0]; + } + } + if (npts == nalloc) { + pts = realloc(pts, (npts + DELTA) * sizeof(pts[0])); + nalloc += DELTA; + b = &f->box[n0]; + } + pts[npts].pt0 = pt0; + pts[npts].pt1 = pt1; + /* has a text box overflowed off the frame? */ + if (pt1.y == f->r.max.y) + break; + _fradvance(f, &pt0, b); + pt1.x += _frnewwid(f, pt1, b); + cn0 += NRUNE(b); + } + if (pt1.y > f->r.max.y) + drawerror(f->display, "frinsert pt1 too far"); + if (pt1.y == f->r.max.y && n0 < f->nbox) { + f->nchars -= _frstrlen(f, n0); + _frdelbox(f, n0, f->nbox - 1); + } + if (n0 == f->nbox) + f->nlines = (pt1.y - f->r.min.y) / f->font->height + (pt1.x > f->r.min.x); + else if (pt1.y != pt0.y) { + int q0, q1; + + y = f->r.max.y; + q0 = pt0.y + f->font->height; + q1 = pt1.y + f->font->height; + f->nlines += (q1 - q0) / f->font->height; + if (f->nlines > f->maxlines) + chopframe(f, ppt1, p0, nn0); + if (pt1.y < y) { + r = f->r; + r.min.y = q1; + r.max.y = y; + if (q1 < y) + draw(f->b, r, f->b, nil, Pt(f->r.min.x, q0)); + r.min = pt1; + r.max.x = pt1.x + (f->r.max.x - pt0.x); + r.max.y = q1; + draw(f->b, r, f->b, nil, pt0); + } + } + /* + * Move the old stuff down to make room. The loop will move the stuff + * between the insertion and the point where the x's lined up. + * The draw()s above moved everything down after the point they lined up. + */ + for ((y = pt1.y == f->r.max.y ? pt1.y : 0), b = &f->box[n0 - 1]; --npts >= 0; + --b) { + pt = pts[npts].pt1; + if (b->nrune > 0) { + r.min = pt; + r.max = r.min; + r.max.x += b->wid; + r.max.y += f->font->height; + draw(f->b, r, f->b, nil, pts[npts].pt0); + /* clear bit hanging off right */ + if (npts == 0 && pt.y > pt0.y) { + /* + * first new char is bigger than first char we're + * displacing, causing line wrap. ugly special case. + */ + r.min = opt0; + r.max = opt0; + r.max.x = f->r.max.x; + r.max.y += f->font->height; + if (f->p0 <= cn0 && cn0 < f->p1) /* b+1 is inside selection */ + col = f->cols[HIGH]; + else + col = f->cols[BACK]; + draw(f->b, r, col, nil, r.min); + } else if (pt.y < y) { + r.min = pt; + r.max = pt; + r.min.x += b->wid; + r.max.x = f->r.max.x; + r.max.y += f->font->height; + if (f->p0 <= cn0 && cn0 < f->p1) /* b+1 is inside selection */ + col = f->cols[HIGH]; + else + col = f->cols[BACK]; + draw(f->b, r, col, nil, r.min); + } + y = pt.y; + cn0 -= b->nrune; + } else { + r.min = pt; + r.max = pt; + r.max.x += b->wid; + r.max.y += f->font->height; + if (r.max.x >= f->r.max.x) + r.max.x = f->r.max.x; + cn0--; + if (f->p0 <= cn0 && cn0 < f->p1) { /* b is inside selection */ + col = f->cols[HIGH]; + tcol = f->cols[HTEXT]; + } else { + col = f->cols[BACK]; + tcol = f->cols[TEXT]; + } + draw(f->b, r, col, nil, r.min); + y = 0; + if (pt.x == f->r.min.x) + y = pt.y; + } + } + /* insertion can extend the selection, so the condition here is different */ + if (f->p0 < p0 && p0 <= f->p1) { + col = f->cols[HIGH]; + tcol = f->cols[HTEXT]; + } else { + col = f->cols[BACK]; + tcol = f->cols[TEXT]; + } + frselectpaint(f, ppt0, ppt1, col); + _frdrawtext(&frame, ppt0, tcol, col); + _fraddbox(f, nn0, frame.nbox); + for (n = 0; n < frame.nbox; n++) + f->box[nn0 + n] = frame.box[n]; + if ( + nn0 > 0 && f->box[nn0 - 1].nrune >= 0 && + ppt0.x - f->box[nn0 - 1].wid >= f->r.min.x) { + --nn0; + ppt0.x -= f->box[nn0].wid; + } + n0 += frame.nbox; + _frclean(f, ppt0, nn0, n0 < f->nbox - 1 ? n0 + 1 : n0); + f->nchars += frame.nchars; + if (f->p0 >= p0) + f->p0 += frame.nchars; + if (f->p0 > f->nchars) + f->p0 = f->nchars; + if (f->p1 >= p0) + f->p1 += frame.nchars; + if (f->p1 > f->nchars) + f->p1 = f->nchars; + if (f->p0 == f->p1) + frtick(f, frptofchar(f, f->p0), 1); +}
A libframe/frptofchar.c

@@ -0,0 +1,106 @@

+#include <u.h> +#include <libc.h> +#include <draw.h> +#include <mouse.h> +#include <frame.h> + +Point _frptofcharptb(Frame* f, ulong p, Point pt, int bn) { + uchar* s; + Frbox* b; + int w, l; + Rune r; + + for (b = &f->box[bn]; bn < f->nbox; bn++, b++) { + _frcklinewrap(f, &pt, b); + if (p < (l = NRUNE(b))) { + if (b->nrune > 0) + for (s = b->ptr; p > 0; s += w, p--) { + if ((r = *s) < Runeself) + w = 1; + else + w = chartorune(&r, (char*)s); + pt.x += stringnwidth(f->font, (char*)s, 1); + if (r == 0 || pt.x > f->r.max.x) + drawerror(f->display, "frptofchar"); + } + break; + } + p -= l; + _fradvance(f, &pt, b); + } + return pt; +} + +Point frptofchar(Frame* f, ulong p) { + return _frptofcharptb(f, p, f->r.min, 0); +} + +Point _frptofcharnb( + Frame* f, ulong p, int nb) /* doesn't do final _fradvance to next line */ +{ + Point pt; + int nbox; + + nbox = f->nbox; + f->nbox = nb; + pt = _frptofcharptb(f, p, f->r.min, 0); + f->nbox = nbox; + return pt; +} + +static Point _frgrid(Frame* f, Point p) { + p.y -= f->r.min.y; + p.y -= p.y % f->font->height; + p.y += f->r.min.y; + if (p.x > f->r.max.x) + p.x = f->r.max.x; + return p; +} + +ulong frcharofpt(Frame* f, Point pt) { + Point qt; + int w, bn; + uchar* s; + Frbox* b; + ulong p; + Rune r; + + pt = _frgrid(f, pt); + qt = f->r.min; + for (b = f->box, bn = 0, p = 0; bn < f->nbox && qt.y < pt.y; bn++, b++) { + _frcklinewrap(f, &qt, b); + if (qt.y >= pt.y) + break; + _fradvance(f, &qt, b); + p += NRUNE(b); + } + for (; bn < f->nbox && qt.x <= pt.x; bn++, b++) { + _frcklinewrap(f, &qt, b); + if (qt.y > pt.y) + break; + if (qt.x + b->wid > pt.x) { + if (b->nrune < 0) + _fradvance(f, &qt, b); + else { + s = b->ptr; + for (;;) { + if ((r = *s) < Runeself) + w = 1; + else + w = chartorune(&r, (char*)s); + if (r == 0) + drawerror(f->display, "end of string in frcharofpt"); + qt.x += stringnwidth(f->font, (char*)s, 1); + s += w; + if (qt.x > pt.x) + break; + p++; + } + } + } else { + p += NRUNE(b); + _fradvance(f, &qt, b); + } + } + return p; +}
A libframe/frselect.c

@@ -0,0 +1,123 @@

+#include <u.h> +#include <libc.h> +#include <draw.h> +#include <mouse.h> +#include <frame.h> + +static int region(int a, int b) { + if (a < b) + return -1; + if (a == b) + return 0; + return 1; +} + +void frselect(Frame* f, Mousectl* mc) /* when called, button 1 is down */ +{ + ulong p0, p1, q; + Point mp, pt0, pt1, qt; + int reg, b, scrled; + + mp = mc->m.xy; + b = mc->m.buttons; + + f->modified = 0; + frdrawsel(f, frptofchar(f, f->p0), f->p0, f->p1, 0); + p0 = p1 = frcharofpt(f, mp); + f->p0 = p0; + f->p1 = p1; + pt0 = frptofchar(f, p0); + pt1 = frptofchar(f, p1); + frdrawsel(f, pt0, p0, p1, 1); + reg = 0; + do { + scrled = 0; + if (f->scroll) { + if (mp.y < f->r.min.y) { + (*f->scroll)(f, -(f->r.min.y - mp.y) / (int)f->font->height - 1); + p0 = f->p1; + p1 = f->p0; + scrled = 1; + } else if (mp.y > f->r.max.y) { + (*f->scroll)(f, (mp.y - f->r.max.y) / (int)f->font->height + 1); + p0 = f->p0; + p1 = f->p1; + scrled = 1; + } + if (scrled) { + if (reg != region(p1, p0)) + q = p0, p0 = p1, p1 = q; /* undo the swap that will happen below */ + pt0 = frptofchar(f, p0); + pt1 = frptofchar(f, p1); + reg = region(p1, p0); + } + } + q = frcharofpt(f, mp); + if (p1 != q) { + if (reg != region(q, p0)) { /* crossed starting point; reset */ + if (reg > 0) + frdrawsel(f, pt0, p0, p1, 0); + else if (reg < 0) + frdrawsel(f, pt1, p1, p0, 0); + p1 = p0; + pt1 = pt0; + reg = region(q, p0); + if (reg == 0) + frdrawsel(f, pt0, p0, p1, 1); + } + qt = frptofchar(f, q); + if (reg > 0) { + if (q > p1) + frdrawsel(f, pt1, p1, q, 1); + else if (q < p1) + frdrawsel(f, qt, q, p1, 0); + } else if (reg < 0) { + if (q > p1) + frdrawsel(f, pt1, p1, q, 0); + else + frdrawsel(f, qt, q, p1, 1); + } + p1 = q; + pt1 = qt; + } + f->modified = 0; + if (p0 < p1) { + f->p0 = p0; + f->p1 = p1; + } else { + f->p0 = p1; + f->p1 = p0; + } + if (scrled) + (*f->scroll)(f, 0); + flushimage(f->display, 1); + if (!scrled) + readmouse(mc); + mp = mc->m.xy; + } while (mc->m.buttons == b); +} + +void frselectpaint(Frame* f, Point p0, Point p1, Image* col) { + int n; + Point q0, q1; + + q0 = p0; + q1 = p1; + q0.y += f->font->height; + q1.y += f->font->height; + n = (p1.y - p0.y) / f->font->height; + if (f->b == nil) + drawerror(f->display, "frselectpaint b==0"); + if (p0.y == f->r.max.y) + return; + if (n == 0) + draw(f->b, Rpt(p0, q1), col, nil, ZP); + else { + if (p0.x >= f->r.max.x) + p0.x = f->r.max.x - 1; + draw(f->b, Rect(p0.x, p0.y, f->r.max.x, q0.y), col, nil, ZP); + if (n > 1) + draw(f->b, Rect(f->r.min.x, q0.y, f->r.max.x, p1.y), col, nil, ZP); + draw(f->b, Rect(f->r.min.x, p1.y, q1.x, q1.y), col, nil, ZP); + } +}
A libframe/frstr.c

@@ -0,0 +1,33 @@

+#include <u.h> +#include <libc.h> +#include <draw.h> +#include <mouse.h> +#include <frame.h> + +#define CHUNK 16 +#define ROUNDUP(n) ((n + CHUNK) & ~(CHUNK - 1)) + +uchar* _frallocstr(Frame* f, unsigned n) { + uchar* p; + + p = malloc(ROUNDUP(n)); + if (p == 0) + drawerror(f->display, "out of memory"); + return p; +} + +void _frinsure(Frame* f, int bn, unsigned n) { + Frbox* b; + uchar* p; + + b = &f->box[bn]; + if (b->nrune < 0) + drawerror(f->display, "_frinsure"); + if (ROUNDUP(b->nrune) > n) /* > guarantees room for terminal NUL */ + return; + p = _frallocstr(f, n); + b = &f->box[bn]; + memmove(p, b->ptr, NBYTE(b) + 1); + free(b->ptr); + b->ptr = p; +}
A libframe/frutil.c

@@ -0,0 +1,99 @@

+#include <u.h> +#include <libc.h> +#include <draw.h> +#include <mouse.h> +#include <frame.h> + +int _frcanfit(Frame* f, Point pt, Frbox* b) { + int left, w, nr; + uchar* p; + Rune r; + + left = f->r.max.x - pt.x; + if (b->nrune < 0) + return b->minwid <= left; + if (left >= b->wid) + return b->nrune; + for (nr = 0, p = b->ptr; *p; p += w, nr++) { + r = *p; + if (r < Runeself) + w = 1; + else + w = chartorune(&r, (char*)p); + left -= stringnwidth(f->font, (char*)p, 1); + if (left < 0) + return nr; + } + drawerror(f->display, "_frcanfit can't"); + return 0; +} + +void _frcklinewrap(Frame* f, Point* p, Frbox* b) { + if ((b->nrune < 0 ? b->minwid : b->wid) > f->r.max.x - p->x) { + p->x = f->r.min.x; + p->y += f->font->height; + } +} + +void _frcklinewrap0(Frame* f, Point* p, Frbox* b) { + if (_frcanfit(f, *p, b) == 0) { + p->x = f->r.min.x; + p->y += f->font->height; + } +} + +void _fradvance(Frame* f, Point* p, Frbox* b) { + if (b->nrune < 0 && b->bc == '\n') { + p->x = f->r.min.x; + p->y += f->font->height; + } else + p->x += b->wid; +} + +int _frnewwid(Frame* f, Point pt, Frbox* b) { + b->wid = _frnewwid0(f, pt, b); + return b->wid; +} + +int _frnewwid0(Frame* f, Point pt, Frbox* b) { + int c, x; + + c = f->r.max.x; + x = pt.x; + if (b->nrune >= 0 || b->bc != '\t') + return b->wid; + if (x + b->minwid > c) + x = pt.x = f->r.min.x; + x += f->maxtab; + x -= (x - f->r.min.x) % f->maxtab; + if (x - pt.x < b->minwid || x > c) + x = pt.x + b->minwid; + return x - pt.x; +} + +void _frclean(Frame* f, Point pt, int n0, int n1) /* look for mergeable boxes */ +{ + Frbox* b; + int nb, c; + + c = f->r.max.x; + for (nb = n0; nb < n1 - 1; nb++) { + b = &f->box[nb]; + _frcklinewrap(f, &pt, b); + while (b[0].nrune >= 0 && nb < n1 - 1 && b[1].nrune >= 0 && + pt.x + b[0].wid + b[1].wid < c) { + _frmergebox(f, nb); + n1--; + b = &f->box[nb]; + } + _fradvance(f, &pt, &f->box[nb]); + } + for (; nb < f->nbox; nb++) { + b = &f->box[nb]; + _frcklinewrap(f, &pt, b); + _fradvance(f, &pt, &f->box[nb]); + } + f->lastlinefull = 0; + if (pt.y >= f->r.max.y) + f->lastlinefull = 1; +}
A libframe/mkfile

@@ -0,0 +1,37 @@

+<$PLAN9/src/mkhdr + +LIB=libframe.a + +OFILES=\ + frbox.$O\ + frdelete.$O\ + frdraw.$O\ + frinit.$O\ + frinsert.$O\ + frptofchar.$O\ + frselect.$O\ + frstr.$O\ + frutil.$O\ + +HFILES=\ + $PLAN9/include/frame.h\ + $PLAN9/include/draw.h\ + +default:V: ./$LIB + +# ./$LIB: $OFILES +# $AR rsc ./$LIB $newprereq + +./$LIB(%):N: % +./$LIB: ${OFILES:%=./$LIB(%)} + $AR rsc ./$LIB $newmember + +&:n: &.$O + $AR rsc ./$LIB $stem.$O + +all install:V: ./$LIB + +NUKEFILES=$NUKEFILES ./$LIB + +<$PLAN9/src/mkcommon +
A libframe/portdate

@@ -0,0 +1,9 @@

+frbox.c 2004/1225 +frdelete.c 2004/1225 +frdraw.c 2004/1225 +frinit.c 2004/1225 +frinsert.c 2004/1225 +frptofchar.c 2004/1225 +frselect.c 2004/1225 +frstr.c 2004/1225 +frutil.c 2004/1225
M mkfilemkfile

@@ -1,9 +1,10 @@

<$PLAN9/src/mkhdr TARG=acme -DIRS=mail +DIRS=mail libframe OFILES=\ + libframe/frinit.$O\ acme.$O\ addr.$O\ buff.$O\

@@ -34,6 +35,8 @@ <$PLAN9/src/mkone

<$PLAN9/src/mkdirs edit.$O ecmd.$O elog.$O: edit.h + +LDFLAGS=-L./libframe -lframe $LDFLAGS likeplan9:V: mkdir -p likeplan9
M regx.cregx.c

@@ -60,22 +60,22 @@ *

* 0x10000xx are operators, value == precedence * 0x20000xx are tokens, i.e. operands for operators */ -#define OPERATOR 0x1000000 /* Bit set in all operators */ +#define OPERATOR 0x1000000 /* Bit set in all operators */ #define START (OPERATOR + 0) /* Start, used for marker on stack */ -#define RBRA (OPERATOR + 1) /* Right bracket, ) */ -#define LBRA (OPERATOR + 2) /* Left bracket, ( */ -#define OR (OPERATOR + 3) /* Alternation, | */ -#define CAT (OPERATOR + 4) /* Concatentation, implicit operator */ -#define STAR (OPERATOR + 5) /* Closure, * */ -#define PLUS (OPERATOR + 6) /* a+ == aa* */ +#define RBRA (OPERATOR + 1) /* Right bracket, ) */ +#define LBRA (OPERATOR + 2) /* Left bracket, ( */ +#define OR (OPERATOR + 3) /* Alternation, | */ +#define CAT (OPERATOR + 4) /* Concatentation, implicit operator */ +#define STAR (OPERATOR + 5) /* Closure, * */ +#define PLUS (OPERATOR + 6) /* a+ == aa* */ #define QUEST (OPERATOR + 7) /* a? == a|nothing, i.e. 0 or 1 a's */ -#define ANY 0x2000000 /* Any character but newline, . */ -#define NOP (ANY + 1) /* No operation, internal use only */ -#define BOL (ANY + 2) /* Beginning of line, ^ */ -#define EOL (ANY + 3) /* End of line, $ */ -#define CCLASS (ANY + 4) /* Character class, [] */ -#define NCCLASS (ANY + 5) /* Negated character class, [^] */ -#define END (ANY + 0x77) /* Terminate: match found */ +#define ANY 0x2000000 /* Any character but newline, . */ +#define NOP (ANY + 1) /* No operation, internal use only */ +#define BOL (ANY + 2) /* Beginning of line, ^ */ +#define EOL (ANY + 3) /* End of line, $ */ +#define CCLASS (ANY + 4) /* Character class, [] */ +#define NCCLASS (ANY + 5) /* Negated character class, [^] */ +#define END (ANY + 0x77) /* Terminate: match found */ #define ISATOR OPERATOR #define ISAND ANY

@@ -104,8 +104,8 @@ int backwards;

int nbra; Rune* exprp; /* pointer to next character in source expression */ #define DCLASS 10 /* allocation increment */ -int nclass; /* number active */ -int Nclass; /* high water mark */ +int nclass; /* number active */ +int Nclass; /* high water mark */ Rune** class; int negateclass;
M text.ctext.c

@@ -33,10 +33,23 @@ t->ncache = 0;

t->reffont = rf; t->tabstop = maxtab; memmove(t->fr.cols, cols, sizeof t->fr.cols); - textredraw(t, r, rf->f, screen, -1); + textredraw(t, r, rf->f, screen, -1, 0); } -void textredraw(Text* t, Rectangle r, Font* f, Image* b, int odx) { +void textdrawactive(Text* t, int active) { + Image* b; + Rectangle br; + + b = t->fr.cols[BACK]; + if (active) + b = t->fr.cols[HIGH]; + br.min = t->scrollr.max; + br.max.x = br.min.x + 1; + br.max.y = br.min.y + Dy(t->all); + draw(screen, br, b, nil, b->r.min); +} + +void textredraw(Text* t, Rectangle r, Font* f, Image* b, int odx, int active) { int maxt; Rectangle rr;

@@ -64,6 +77,7 @@ } else {

textfill(t); textsetselect(t, t->q0, t->q1); } + /*textdrawactive(t, active);*/ } int textresize(Text* t, Rectangle r, int keepextra) {

@@ -80,7 +94,7 @@ t->scrollr.max.x = r.min.x + Scrollwid;

t->lastsr = nullrect; r.min.x += Scrollwid + Scrollgap; frclear(&t->fr, 0); - textredraw(t, r, t->fr.font, t->fr.b, odx); + textredraw(t, r, t->fr.font, t->fr.b, odx, 0); if (keepextra && t->fr.r.max.y < t->all.max.y && !t->fr.noredraw) { /* draw background in bottom fringe of window */ r.min.x -= Scrollgap;
M wind.cwind.c

@@ -89,6 +89,35 @@ winsettag(w);

} } +void windrawideco(Window* active, Column** allcols, int ncol) { + Window* wptr; + Column* cptr; + int wcnt, ccnt; + + for (ccnt = 0; ccnt < ncol; ccnt++) { + cptr = allcols[ccnt]; + for (wcnt = 0; wcnt < cptr->nw; wcnt++) { + wptr = cptr->w[wcnt]; + winlock(wptr, 'M'); + textredraw( + &wptr->tag, + wptr->tag.scrollr, + wptr->tag.fr.font, + screen, + -1, + wptr->id == active->id); + textredraw( + &wptr->body, + wptr->body.scrollr, + wptr->body.fr.font, + screen, + -1, + wptr->id == active->id); + winunlock(wptr); + } + } +} + /* * Draw the appropriate button. */

@@ -573,8 +602,10 @@ f = t->file;

if (f->ntext > 1) for (i = 0; i < f->ntext; i++) textcommit(f->text[i], FALSE); /* no-op for t */ - if (t->what == Body) + if (t->what == Body) { + winresize(w, w->r, TRUE, TRUE); return; + } r = parsetag(w, 0, &i); if (runeeq(r, i, w->body.file->name, w->body.file->nname) == FALSE) { seq++;