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update st

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This commit is contained in:
Daryl Ronningen 2023-05-06 23:20:03 -07:00
parent 9973cc2bdd
commit 50a72324cd
Signed by: Daryl Ronningen
GPG key ID: FD23F0C934A5EC6B
7 changed files with 193 additions and 183 deletions
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84
hb.c
View file

@ -8,10 +8,10 @@
#include <hb-ft.h>
#include "st.h"
#include "hb.h"
#define FEATURE(c1,c2,c3,c4) { .tag = HB_TAG(c1,c2,c3,c4), .value = 1, .start = HB_FEATURE_GLOBAL_START, .end = HB_FEATURE_GLOBAL_END }
void hbtransformsegment(XftFont *xfont, const Glyph *string, hb_codepoint_t *codepoints, int start, int length);
hb_font_t *hbfindfont(XftFont *match);
typedef struct {
@ -27,7 +27,7 @@ static HbFontMatch *hbfontcache = NULL;
* e. g.
* FEATURE('c', 'a', 'l', 't'), FEATURE('d', 'l', 'i', 'g')
*/
hb_feature_t features[] = { };
hb_feature_t features[] = { 0 };
void
hbunloadfonts()
@ -66,70 +66,23 @@ hbfindfont(XftFont *match)
return font;
}
void
hbtransform(XftGlyphFontSpec *specs, const Glyph *glyphs, size_t len, int x, int y)
{
int start = 0, length = 1, gstart = 0;
hb_codepoint_t *codepoints = calloc((unsigned int)len, sizeof(hb_codepoint_t));
void hbtransform(HbTransformData *data, XftFont *xfont, const Glyph *glyphs, int start, int length) {
Rune rune;
ushort mode = USHRT_MAX;
unsigned int glyph_count;
int i, end = start + length;
for (int idx = 1, specidx = 1; idx < len; idx++) {
if (glyphs[idx].mode & ATTR_WDUMMY) {
length += 1;
continue;
}
if (specs[specidx].font != specs[start].font || ATTRCMP(glyphs[gstart], glyphs[idx]) || selected(x + idx, y) != selected(x + gstart, y)) {
hbtransformsegment(specs[start].font, glyphs, codepoints, gstart, length);
/* Reset the sequence. */
length = 1;
start = specidx;
gstart = idx;
} else {
length += 1;
}
specidx++;
}
/* EOL. */
hbtransformsegment(specs[start].font, glyphs, codepoints, gstart, length);
/* Apply the transformation to glyph specs. */
for (int i = 0, specidx = 0; i < len; i++) {
if (glyphs[i].mode & ATTR_WDUMMY)
continue;
if (glyphs[i].mode & ATTR_BOXDRAW) {
specidx++;
continue;
}
if (codepoints[i] != specs[specidx].glyph)
((Glyph *)glyphs)[i].mode |= ATTR_LIGA;
specs[specidx++].glyph = codepoints[i];
}
free(codepoints);
}
void
hbtransformsegment(XftFont *xfont, const Glyph *string, hb_codepoint_t *codepoints, int start, int length)
{
hb_font_t *font = hbfindfont(xfont);
if (font == NULL)
return;
Rune rune;
ushort mode = USHRT_MAX;
hb_buffer_t *buffer = hb_buffer_create();
hb_buffer_set_direction(buffer, HB_DIRECTION_LTR);
/* Fill buffer with codepoints. */
for (int i = start; i < (start+length); i++) {
rune = string[i].u;
mode = string[i].mode;
for (i = start; i < end; i++) {
rune = glyphs[i].u;
mode = glyphs[i].mode;
if (mode & ATTR_WDUMMY)
rune = 0x0020;
hb_buffer_add_codepoints(buffer, &rune, 1, 0, 1);
@ -139,14 +92,17 @@ hbtransformsegment(XftFont *xfont, const Glyph *string, hb_codepoint_t *codepoin
hb_shape(font, buffer, features, sizeof(features)/sizeof(hb_feature_t));
/* Get new glyph info. */
hb_glyph_info_t *info = hb_buffer_get_glyph_infos(buffer, NULL);
hb_glyph_info_t *info = hb_buffer_get_glyph_infos(buffer, &glyph_count);
hb_glyph_position_t *pos = hb_buffer_get_glyph_positions(buffer, &glyph_count);
/* Write new codepoints. */
for (int i = 0; i < length; i++) {
hb_codepoint_t gid = info[i].codepoint;
codepoints[start+i] = gid;
/** Fill the output. */
data->buffer = buffer;
data->glyphs = info;
data->positions = pos;
data->count = glyph_count;
}
/* Cleanup. */
hb_buffer_destroy(buffer);
void hbcleanup(HbTransformData *data) {
hb_buffer_destroy(data->buffer);
memset(data, 0, sizeof(HbTransformData));
}

10
hb.h
View file

@ -2,5 +2,13 @@
#include <hb.h>
#include <hb-ft.h>
typedef struct {
hb_buffer_t *buffer;
hb_glyph_info_t *glyphs;
hb_glyph_position_t *positions;
unsigned int count;
} HbTransformData;
void hbunloadfonts();
void hbtransform(XftGlyphFontSpec *, const Glyph *, size_t, int, int);
void hbtransform(HbTransformData *, XftFont *, const Glyph *, int, int);
void hbcleanup(HbTransformData *);

2
patch/fixkeyboardinput.c
View file

@ -32,7 +32,6 @@ static KeySym mappedkeys[] = {
XK_X,
XK_Y,
XK_Z,
XK_Z,
XK_0,
XK_1,
XK_2,
@ -600,7 +599,6 @@ static Key key[] = {
{ XK_X, ControlMask|ShiftMask, "\033[88;6u", 0, 0},
{ XK_Y, ControlMask|ShiftMask, "\033[89;6u", 0, 0},
{ XK_Z, ControlMask|ShiftMask, "\033[90;6u", 0, 0},
{ XK_Z, ControlMask|ShiftMask, "\033[90;6u", 0, 0},
{ XK_0, Mod1Mask|ControlMask, "\033[48;7u", 0, 0},
{ XK_1, ControlMask, "\033[49;5u", 0, 0},
{ XK_1, Mod1Mask|ControlMask, "\033[49;7u", 0, 0},

5
patch/universcroll.c
View file

@ -1,5 +0,0 @@
int
tisaltscr(void)
{
return IS_SET(MODE_ALTSCREEN);
}

1
patch/universcroll.h
View file

@ -1 +0,0 @@
int tisaltscr(void);

19
st.c
View file

@ -676,6 +676,7 @@ execsh(char *cmd, char **args)
setenv("SHELL", sh, 1);
setenv("HOME", pw->pw_dir, 1);
setenv("TERM", termname, 1);
setenv("COLORTERM", "truecolor", 1);
signal(SIGCHLD, SIG_DFL);
signal(SIGHUP, SIG_DFL);
@ -1859,11 +1860,18 @@ csihandle(void)
case 'm': /* SGR -- Terminal attribute (color) */
tsetattr(csiescseq.arg, csiescseq.narg);
break;
case 'n': /* DSR – Device Status Report (cursor position) */
if (csiescseq.arg[0] == 6) {
case 'n': /* DSR -- Device Status Report */
switch (csiescseq.arg[0]) {
case 5: /* Status Report "OK" `0n` */
ttywrite("\033[0n", sizeof("\033[0n") - 1, 0);
break;
case 6: /* Report Cursor Position (CPR) "<row>;<column>R" */
len = snprintf(buffer, sizeof(buffer), "\033[%i;%iR",
term.c.y+1, term.c.x+1);
ttywrite(buffer, len, 0);
break;
default:
goto unknown;
}
break;
case 'r': /* DECSTBM -- Set Scrolling Region */
@ -2084,8 +2092,10 @@ strhandle(void)
if (p && !strcmp(p, "?"))
osc4_color_response(j);
else if (xsetcolorname(j, p)) {
if (par == 104 && narg <= 1)
if (par == 104 && narg <= 1) {
xloadcols();
return; /* color reset without parameter */
}
fprintf(stderr, "erresc: invalid color j=%d, p=%s\n",
j, p ? p : "(null)");
} else {
@ -2567,6 +2577,9 @@ check_control_code:
* they must not cause conflicts with sequences.
*/
if (control) {
/* in UTF-8 mode ignore handling C1 control characters */
if (IS_SET(MODE_UTF8) && ISCONTROLC1(u))
return;
tcontrolcode(u);
/*
* control codes are not shown ever

127
x.c
View file

@ -68,6 +68,7 @@ static void zoomreset(const Arg *);
static inline ushort sixd_to_16bit(int);
static int xmakeglyphfontspecs(XftGlyphFontSpec *, const Glyph *, int, int, int);
static void xdrawglyphfontspecs(const XftGlyphFontSpec *, Glyph, int, int, int, int);
static void xresetfontsettings(ushort mode, Font **font, int *frcflags);
static void xdrawglyph(Glyph, int, int);
static void xclear(int, int, int, int);
static int xgeommasktogravity(int);
@ -1211,6 +1212,7 @@ xinit(int cols, int rows)
XChangeProperty(xw.dpy, xw.win, xw.netwmpid, XA_CARDINAL, 32,
PropModeReplace, (uchar *)&thispid, 1);
win.mode = MODE_NUMLOCK;
resettitle();
xhints();
@ -1228,6 +1230,22 @@ xinit(int cols, int rows)
boxdraw_xinit(xw.dpy, xw.cmap, xw.draw, xw.vis);
}
void
xresetfontsettings(ushort mode, Font **font, int *frcflags)
{
*font = &dc.font;
if ((mode & ATTR_ITALIC) && (mode & ATTR_BOLD)) {
*font = &dc.ibfont;
*frcflags = FRC_ITALICBOLD;
} else if (mode & ATTR_ITALIC) {
*font = &dc.ifont;
*frcflags = FRC_ITALIC;
} else if (mode & ATTR_BOLD) {
*font = &dc.bfont;
*frcflags = FRC_BOLD;
}
}
int
xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x, int y)
{
@ -1243,54 +1261,64 @@ xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x
FcFontSet *fcsets[] = { NULL };
FcCharSet *fccharset;
int i, f, numspecs = 0;
int length = 0, start = 0;
HbTransformData shaped = { 0 };
/* Initial values. */
mode = prevmode = glyphs[0].mode;
xresetfontsettings(mode, &font, &frcflags);
for (i = 0, xp = winx, yp = winy + font->ascent + win.cyo; i < len; ++i)
{
/* Fetch rune and mode for current glyph. */
rune = glyphs[i].u;
mode = glyphs[i].mode;
/* Skip dummy wide-character spacing. */
if (mode & ATTR_WDUMMY)
continue;
/* Determine font for glyph if different from previous glyph. */
if (prevmode != mode) {
prevmode = mode;
font = &dc.font;
frcflags = FRC_NORMAL;
runewidth = win.cw * ((mode & ATTR_WIDE) ? 2.0f : 1.0f);
if ((mode & ATTR_ITALIC) && (mode & ATTR_BOLD)) {
font = &dc.ibfont;
frcflags = FRC_ITALICBOLD;
} else if (mode & ATTR_ITALIC) {
font = &dc.ifont;
frcflags = FRC_ITALIC;
} else if (mode & ATTR_BOLD) {
font = &dc.bfont;
frcflags = FRC_BOLD;
}
yp = winy + font->ascent + win.cyo;
if (
prevmode != mode
|| ATTRCMP(glyphs[start], glyphs[i])
|| selected(x + i, y) != selected(x + start, y)
|| i == (len - 1)
) {
/* Handle 1-character wide segments and end of line */
length = i - start;
if (i == start) {
length = 1;
} else if (i == (len - 1)) {
length = (i - start + 1);
}
if (mode & ATTR_BOXDRAW) {
/* Shape the segment. */
hbtransform(&shaped, font->match, glyphs, start, length);
for (int code_idx = 0; code_idx < shaped.count; code_idx++) {
rune = glyphs[start + code_idx].u;
runewidth = win.cw * ((glyphs[start + code_idx].mode & ATTR_WIDE) ? 2.0f : 1.0f);
if (glyphs[start + code_idx].mode & ATTR_WDUMMY)
continue;
if (glyphs[start + code_idx].mode & ATTR_BOXDRAW) {
/* minor shoehorning: boxdraw uses only this ushort */
glyphidx = boxdrawindex(&glyphs[i]);
} else {
/* Lookup character index with default font. */
glyphidx = XftCharIndex(xw.dpy, font->match, rune);
}
if (glyphidx) {
specs[numspecs].font = font->match;
specs[numspecs].glyph = glyphidx;
specs[numspecs].x = (short)xp;
specs[numspecs].y = (short)yp;
specs[numspecs].glyph = boxdrawindex(&glyphs[start + code_idx]);
specs[numspecs].x = xp;
specs[numspecs].y = yp;
xp += runewidth;
numspecs++;
continue;
}
/* Fallback on font cache, search the font cache for match. */
} else
if (shaped.glyphs[code_idx].codepoint != 0) {
/* If symbol is found, put it into the specs. */
specs[numspecs].font = font->match;
specs[numspecs].glyph = shaped.glyphs[code_idx].codepoint;
specs[numspecs].x = xp + (short)shaped.positions[code_idx].x_offset;
specs[numspecs].y = yp + (short)shaped.positions[code_idx].y_offset;
xp += runewidth;
numspecs++;
} else {
/* If it's not found, try to fetch it through the font cache. */
for (f = 0; f < frclen; f++) {
glyphidx = XftCharIndex(xw.dpy, frc[f].font, rune);
/* Everything correct. */
@ -1306,8 +1334,7 @@ xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x
/* Nothing was found. Use fontconfig to find matching font. */
if (f >= frclen) {
if (!font->set)
font->set = FcFontSort(0, font->pattern,
1, 0, &fcres);
font->set = FcFontSort(0, font->pattern, 1, 0, &fcres);
fcsets[0] = font->set;
/*
@ -1321,10 +1348,11 @@ xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x
fccharset = FcCharSetCreate();
FcCharSetAddChar(fccharset, rune);
FcPatternAddCharSet(fcpattern, FC_CHARSET,
fccharset);
FcPatternAddCharSet(fcpattern, FC_CHARSET, fccharset);
FcPatternAddBool(fcpattern, FC_SCALABLE, 1);
FcConfigSubstitute(0, fcpattern, FcMatchPattern);
FcDefaultSubstitute(fcpattern);
fontpattern = FcFontSetMatch(0, fcsets, 1, fcpattern, &fcres);
@ -1334,8 +1362,7 @@ xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x
frc = xrealloc(frc, frccap * sizeof(Fontcache));
}
frc[frclen].font = XftFontOpenPattern(xw.dpy,
fontpattern);
frc[frclen].font = XftFontOpenPattern(xw.dpy, fontpattern);
if (!frc[frclen].font)
die("XftFontOpenPattern failed seeking fallback font: %s\n",
strerror(errno));
@ -1358,9 +1385,20 @@ xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x
xp += runewidth;
numspecs++;
}
}
/* Harfbuzz transformation for ligatures. */
hbtransform(specs, glyphs, len, x, y);
/* Cleanup and get ready for next segment. */
hbcleanup(&shaped);
start = i;
/* Determine font for glyph if different from previous glyph. */
if (prevmode != mode) {
prevmode = mode;
xresetfontsettings(mode, &font, &frcflags);
yp = winy + font->ascent;
}
}
}
return numspecs;
}
@ -2330,7 +2368,7 @@ void
kpress(XEvent *ev)
{
XKeyEvent *e = &ev->xkey;
KeySym ksym;
KeySym ksym = NoSymbol;
char buf[64], *customkey;
int len, screen;
Rune c;
@ -2352,10 +2390,13 @@ kpress(XEvent *ev)
if (IS_SET(MODE_KBDLOCK))
return;
if (xw.ime.xic)
if (xw.ime.xic) {
len = XmbLookupString(xw.ime.xic, e, buf, sizeof buf, &ksym, &status);
else
if (status == XBufferOverflow)
return;
} else {
len = XLookupString(e, buf, sizeof buf, &ksym, NULL);
}
screen = tisaltscr() ? S_ALT : S_PRI;