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Merge branch 'feat/scrollback' into custom

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This commit is contained in:
syrell 2023-06-27 23:58:06 +02:00
commit 0fb63d30a3
Signed by: syrell
GPG Key ID: BC9570E849334AF9
4 changed files with 873 additions and 379 deletions
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2
config.def.h
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@ -265,6 +265,8 @@ static Shortcut shortcuts[] = {
{ TERMMOD, XK_Y, selpaste, {.i = 0} },
{ ShiftMask, XK_Insert, selpaste, {.i = 0} },
{ TERMMOD, XK_Num_Lock, numlock, {.i = 0} },
{ ShiftMask, XK_Page_Up, kscrollup, {.i = -1} },
{ ShiftMask, XK_Page_Down, kscrolldown, {.i = -1} },
};
/*

946
st.c
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File diff suppressed because it is too large Load Diff

27
st.h
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@ -23,18 +23,20 @@
enum glyph_attribute {
ATTR_NULL = 0,
ATTR_BOLD = 1 << 0,
ATTR_FAINT = 1 << 1,
ATTR_ITALIC = 1 << 2,
ATTR_UNDERLINE = 1 << 3,
ATTR_BLINK = 1 << 4,
ATTR_REVERSE = 1 << 5,
ATTR_INVISIBLE = 1 << 6,
ATTR_STRUCK = 1 << 7,
ATTR_WRAP = 1 << 8,
ATTR_WIDE = 1 << 9,
ATTR_WDUMMY = 1 << 10,
ATTR_SET = 1 << 0,
ATTR_BOLD = 1 << 1,
ATTR_FAINT = 1 << 2,
ATTR_ITALIC = 1 << 3,
ATTR_UNDERLINE = 1 << 4,
ATTR_BLINK = 1 << 5,
ATTR_REVERSE = 1 << 6,
ATTR_INVISIBLE = 1 << 7,
ATTR_STRUCK = 1 << 8,
ATTR_WRAP = 1 << 9,
ATTR_WIDE = 1 << 10,
ATTR_WDUMMY = 1 << 11,
ATTR_BOXDRAW = 1 << 11,
ATTR_SELECTED = 1 << 12,
ATTR_BOLD_FAINT = ATTR_BOLD | ATTR_FAINT,
ATTR_DIRTYUNDERLINE = 1 << 15,
};
@ -92,6 +94,8 @@ void die(const char *, ...);
void redraw(void);
void draw(void);
void kscrolldown(const Arg *);
void kscrollup(const Arg *);
void printscreen(const Arg *);
void printsel(const Arg *);
void sendbreak(const Arg *);
@ -99,6 +103,7 @@ void toggleprinter(const Arg *);
int tattrset(int);
void tnew(int, int);
int tisaltscreen(void);
void tresize(int, int);
void tsetdirtattr(int);
void ttyhangup(void);

277
x.c
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@ -20,6 +20,7 @@ char *argv0;
#include "arg.h"
#include "st.h"
#include "win.h"
#include "hb.h"
/* types used in config.h */
typedef struct {
@ -167,6 +168,7 @@ typedef struct {
} DC;
static inline ushort sixd_to_16bit(int);
static void xresetfontsettings(ushort mode, Font **font, int *frcflags);
static int xmakeglyphfontspecs(XftGlyphFontSpec *, const Glyph *, int, int, int);
static void xdrawglyphfontspecs(const XftGlyphFontSpec *, Glyph, int, int, int);
static void xdrawglyph(Glyph, int, int);
@ -796,7 +798,7 @@ xresize(int col, int row)
xclear(0, 0, win.w, win.h);
/* resize to new width */
xw.specbuf = xrealloc(xw.specbuf, col * sizeof(GlyphFontSpec));
xw.specbuf = xrealloc(xw.specbuf, col * sizeof(GlyphFontSpec) * 4);
}
ushort
@ -1108,6 +1110,9 @@ xunloadfont(Font *f)
void
xunloadfonts(void)
{
/* Clear Harfbuzz font cache. */
hbunloadfonts();
/* Free the loaded fonts in the font cache. */
while (frclen > 0)
XftFontClose(xw.dpy, frc[--frclen].font);
@ -1239,7 +1244,7 @@ xinit(int cols, int rows)
XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, win.w, win.h);
/* font spec buffer */
xw.specbuf = xmalloc(cols * sizeof(GlyphFontSpec));
xw.specbuf = xmalloc(cols * sizeof(GlyphFontSpec) * 4);
/* Xft rendering context */
xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap);
@ -1293,6 +1298,22 @@ xinit(int cols, int rows)
xsel.xtarget = XA_STRING;
}
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)
{
@ -1307,119 +1328,148 @@ xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x
FcPattern *fcpattern, *fontpattern;
FcFontSet *fcsets[] = { NULL };
FcCharSet *fccharset;
int i, f, numspecs = 0;
int i, f, length = 0, start = 0, numspecs = 0;
float cluster_xp = xp, cluster_yp = yp;
HbTransformData shaped = { 0 };
/* Initial values. */
mode = prevmode = glyphs[0].mode;
xresetfontsettings(mode, &font, &frcflags);
for (i = 0, xp = winx, yp = winy + font->ascent; 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)
if (mode & ATTR_WDUMMY && i < (len - 1))
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;
}
/* 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;
xp += runewidth;
numspecs++;
continue;
}
/* Fallback on font cache, search the font cache for match. */
for (f = 0; f < frclen; f++) {
glyphidx = XftCharIndex(xw.dpy, frc[f].font, rune);
/* Everything correct. */
if (glyphidx && frc[f].flags == frcflags)
break;
/* We got a default font for a not found glyph. */
if (!glyphidx && frc[f].flags == frcflags
&& frc[f].unicodep == rune) {
break;
}
}
/* Nothing was found. Use fontconfig to find matching font. */
if (f >= frclen) {
if (!font->set)
font->set = FcFontSort(0, font->pattern,
1, 0, &fcres);
fcsets[0] = font->set;
/*
* Nothing was found in the cache. Now use
* some dozen of Fontconfig calls to get the
* font for one single character.
*
* Xft and fontconfig are design failures.
*/
fcpattern = FcPatternDuplicate(font->pattern);
fccharset = FcCharSetCreate();
FcCharSetAddChar(fccharset, rune);
FcPatternAddCharSet(fcpattern, FC_CHARSET,
fccharset);
FcPatternAddBool(fcpattern, FC_SCALABLE, 1);
FcConfigSubstitute(0, fcpattern,
FcMatchPattern);
FcDefaultSubstitute(fcpattern);
fontpattern = FcFontSetMatch(0, fcsets, 1,
fcpattern, &fcres);
/* Allocate memory for the new cache entry. */
if (frclen >= frccap) {
frccap += 16;
frc = xrealloc(frc, frccap * sizeof(Fontcache));
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);
}
frc[frclen].font = XftFontOpenPattern(xw.dpy,
fontpattern);
if (!frc[frclen].font)
die("XftFontOpenPattern failed seeking fallback font: %s\n",
strerror(errno));
frc[frclen].flags = frcflags;
frc[frclen].unicodep = rune;
/* Shape the segment. */
hbtransform(&shaped, font->match, glyphs, start, length);
runewidth = win.cw * ((glyphs[start].mode & ATTR_WIDE) ? 2.0f : 1.0f);
cluster_xp = xp; cluster_yp = yp;
for (int code_idx = 0; code_idx < shaped.count; code_idx++) {
int idx = shaped.glyphs[code_idx].cluster;
glyphidx = XftCharIndex(xw.dpy, frc[frclen].font, rune);
if (glyphs[start + idx].mode & ATTR_WDUMMY)
continue;
f = frclen;
frclen++;
/* Advance the drawing cursor if we've moved to a new cluster */
if (code_idx > 0 && idx != shaped.glyphs[code_idx - 1].cluster) {
xp += runewidth;
cluster_xp = xp;
cluster_yp = yp;
runewidth = win.cw * ((glyphs[start + idx].mode & ATTR_WIDE) ? 2.0f : 1.0f);
}
FcPatternDestroy(fcpattern);
FcCharSetDestroy(fccharset);
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 = cluster_xp + (short)(shaped.positions[code_idx].x_offset / 64.);
specs[numspecs].y = cluster_yp - (short)(shaped.positions[code_idx].y_offset / 64.);
cluster_xp += shaped.positions[code_idx].x_advance / 64.;
cluster_yp += shaped.positions[code_idx].y_advance / 64.;
numspecs++;
} else {
/* If it's not found, try to fetch it through the font cache. */
rune = glyphs[start + idx].u;
for (f = 0; f < frclen; f++) {
glyphidx = XftCharIndex(xw.dpy, frc[f].font, rune);
/* Everything correct. */
if (glyphidx && frc[f].flags == frcflags)
break;
/* We got a default font for a not found glyph. */
if (!glyphidx && frc[f].flags == frcflags
&& frc[f].unicodep == rune) {
break;
}
}
/* Nothing was found. Use fontconfig to find matching font. */
if (f >= frclen) {
if (!font->set)
font->set = FcFontSort(0, font->pattern,
1, 0, &fcres);
fcsets[0] = font->set;
/*
* Nothing was found in the cache. Now use
* some dozen of Fontconfig calls to get the
* font for one single character.
*
* Xft and fontconfig are design failures.
*/
fcpattern = FcPatternDuplicate(font->pattern);
fccharset = FcCharSetCreate();
FcCharSetAddChar(fccharset, rune);
FcPatternAddCharSet(fcpattern, FC_CHARSET,
fccharset);
FcPatternAddBool(fcpattern, FC_SCALABLE, 1);
FcConfigSubstitute(0, fcpattern,
FcMatchPattern);
FcDefaultSubstitute(fcpattern);
fontpattern = FcFontSetMatch(0, fcsets, 1,
fcpattern, &fcres);
/* Allocate memory for the new cache entry. */
if (frclen >= frccap) {
frccap += 16;
frc = xrealloc(frc, frccap * sizeof(Fontcache));
}
frc[frclen].font = XftFontOpenPattern(xw.dpy,
fontpattern);
if (!frc[frclen].font)
die("XftFontOpenPattern failed seeking fallback font: %s\n",
strerror(errno));
frc[frclen].flags = frcflags;
frc[frclen].unicodep = rune;
glyphidx = XftCharIndex(xw.dpy, frc[frclen].font, rune);
f = frclen;
frclen++;
FcPatternDestroy(fcpattern);
FcCharSetDestroy(fccharset);
}
specs[numspecs].font = frc[f].font;
specs[numspecs].glyph = glyphidx;
specs[numspecs].x = (short)xp;
specs[numspecs].y = (short)yp;
numspecs++;
}
}
/* 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;
}
}
specs[numspecs].font = frc[f].font;
specs[numspecs].glyph = glyphidx;
specs[numspecs].x = (short)xp;
specs[numspecs].y = (short)yp;
xp += runewidth;
numspecs++;
}
return numspecs;
@ -1962,7 +2012,7 @@ xdrawglyph(Glyph g, int x, int y)
}
void
xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, Glyph og)
xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, Glyph og, Line line, int len)
{
Color drawcol;
XRenderColor colbg;
@ -1970,7 +2020,10 @@ xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, Glyph og)
/* remove the old cursor */
if (selected(ox, oy))
og.mode ^= ATTR_REVERSE;
xdrawglyph(og, ox, oy);
/* Redraw the line where cursor was previously.
* It will restore the ligatures broken by the cursor. */
xdrawline(line, 0, oy, len);
if (IS_SET(MODE_HIDE))
return;
@ -2110,18 +2163,16 @@ xdrawline(Line line, int x1, int y1, int x2)
Glyph base, new;
XftGlyphFontSpec *specs = xw.specbuf;
numspecs = xmakeglyphfontspecs(specs, &line[x1], x2 - x1, x1, y1);
i = ox = 0;
for (x = x1; x < x2 && i < numspecs; x++) {
for (x = x1; x < x2; x++) {
new = line[x];
if (new.mode == ATTR_WDUMMY)
continue;
if (selected(x, y1))
new.mode ^= ATTR_REVERSE;
if (i > 0 && ATTRCMP(base, new)) {
xdrawglyphfontspecs(specs, base, i, ox, y1);
specs += i;
numspecs -= i;
if ((i > 0) && ATTRCMP(base, new)) {
numspecs = xmakeglyphfontspecs(specs, &line[ox], x - ox, ox, y1);
xdrawglyphfontspecs(specs, base, numspecs, ox, y1);
i = 0;
}
if (i == 0) {
@ -2130,8 +2181,10 @@ xdrawline(Line line, int x1, int y1, int x2)
}
i++;
}
if (i > 0)
xdrawglyphfontspecs(specs, base, i, ox, y1);
if (i > 0) {
numspecs = xmakeglyphfontspecs(specs, &line[ox], x2 - ox, ox, y1);
xdrawglyphfontspecs(specs, base, numspecs, ox, y1);
}
}
void