Adding wide glyphs patch

This commit is contained in:
bakkeby 2020-11-14 16:24:07 +01:00
parent ef994f3e6d
commit a23971fff1
4 changed files with 82 additions and 1 deletions

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@ -15,6 +15,8 @@ Refer to [https://st.suckless.org/](https://st.suckless.org/) for details on the
### Changelog: ### Changelog:
2020-11-14 - Added the wide glyphs patch
2020-10-23 - Added the monochrome patch 2020-10-23 - Added the monochrome patch
2020-08-08 - Re-added the visualbell patch 2020-08-08 - Re-added the visualbell patch
@ -151,6 +153,9 @@ Refer to [https://st.suckless.org/](https://st.suckless.org/) for details on the
- [w3m](https://st.suckless.org/patches/w3m/) - [w3m](https://st.suckless.org/patches/w3m/)
- adds support for w3m images - adds support for w3m images
- [wide-glyphs](https://www.reddit.com/r/suckless/comments/jt90ai/update_support_for_proper_glyph_rendering_in_st/)
- adds proper support for wide glyphs, as opposed to rendering smaller or cut glyphs
- [workingdir](https://st.suckless.org/patches/workingdir/) - [workingdir](https://st.suckless.org/patches/workingdir/)
- allows user to specify the initial path st should use as the working directory - allows user to specify the initial path st should use as the working directory

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@ -235,6 +235,13 @@
*/ */
#define W3M_PATCH 0 #define W3M_PATCH 0
/* Adds proper glyphs rendering in st allowing wide glyphs to be drawn as-is as opposed to
* smaller or cut glyphs being rendered.
* https://github.com/Dreomite/st/commit/e3b821dcb3511d60341dec35ee05a4a0abfef7f2
* https://www.reddit.com/r/suckless/comments/jt90ai/update_support_for_proper_glyph_rendering_in_st/
*/
#define WIDE_GLYPHS_PATCH 0
/* This patch allows user to specify the initial path st should use as the working directory. /* This patch allows user to specify the initial path st should use as the working directory.
* https://st.suckless.org/patches/workingdir/ * https://st.suckless.org/patches/workingdir/
*/ */

8
st.h
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@ -51,6 +51,14 @@ enum glyph_attribute {
ATTR_BOLD_FAINT = ATTR_BOLD | ATTR_FAINT, ATTR_BOLD_FAINT = ATTR_BOLD | ATTR_FAINT,
}; };
#if WIDE_GLYPHS_PATCH
enum drawing_mode {
DRAW_NONE = 0,
DRAW_BG = 1 << 0,
DRAW_FG = 1 << 1,
};
#endif // WIDE_GLYPHS_PATCH
enum selection_mode { enum selection_mode {
SEL_IDLE = 0, SEL_IDLE = 0,
SEL_EMPTY = 1, SEL_EMPTY = 1,

63
x.c
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@ -168,7 +168,11 @@ typedef struct {
static inline ushort sixd_to_16bit(int); static inline ushort sixd_to_16bit(int);
static int xmakeglyphfontspecs(XftGlyphFontSpec *, const Glyph *, int, int, int); static int xmakeglyphfontspecs(XftGlyphFontSpec *, const Glyph *, int, int, int);
#if WIDE_GLYPHS_PATCH
static void xdrawglyphfontspecs(const XftGlyphFontSpec *, Glyph, int, int, int, int);
#else
static void xdrawglyphfontspecs(const XftGlyphFontSpec *, Glyph, int, int, int); static void xdrawglyphfontspecs(const XftGlyphFontSpec *, Glyph, int, int, int);
#endif // WIDE_GLYPHS_PATCH
static void xdrawglyph(Glyph, int, int); static void xdrawglyph(Glyph, int, int);
static void xclear(int, int, int, int); static void xclear(int, int, int, int);
static int xgeommasktogravity(int); static int xgeommasktogravity(int);
@ -1604,7 +1608,11 @@ xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x
} }
void void
#if WIDE_GLYPHS_PATCH
xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, int y, int dmode)
#else
xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, int y) xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, int y)
#endif // WIDE_GLYPHS_PATCH
{ {
int charlen = len * ((base.mode & ATTR_WIDE) ? 2 : 1); int charlen = len * ((base.mode & ATTR_WIDE) ? 2 : 1);
#if ANYSIZE_PATCH #if ANYSIZE_PATCH
@ -1721,6 +1729,9 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i
} }
#endif // INVERT_PATCH #endif // INVERT_PATCH
#if WIDE_GLYPHS_PATCH
if (dmode & DRAW_BG) {
#endif // WIDE_GLYPHS_PATCH
/* Intelligent cleaning up of the borders. */ /* Intelligent cleaning up of the borders. */
#if ANYSIZE_PATCH #if ANYSIZE_PATCH
if (x == 0) { if (x == 0) {
@ -1752,8 +1763,11 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i
xclear(winx, winy + win.ch, winx + width, win.h); xclear(winx, winy + win.ch, winx + width, win.h);
#endif // ANYSIZE_PATCH #endif // ANYSIZE_PATCH
// /* Clean up the region we want to draw to. */ /* Clean up the region we want to draw to. */
XftDrawRect(xw.draw, bg, winx, winy, width, win.ch); XftDrawRect(xw.draw, bg, winx, winy, width, win.ch);
#if WIDE_GLYPHS_PATCH
}
#endif // WIDE_GLYPHS_PATCH
/* Set the clip region because Xft is sometimes dirty. */ /* Set the clip region because Xft is sometimes dirty. */
r.x = 0; r.x = 0;
@ -1762,6 +1776,9 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i
r.width = width; r.width = width;
XftDrawSetClipRectangles(xw.draw, winx, winy, &r, 1); XftDrawSetClipRectangles(xw.draw, winx, winy, &r, 1);
#if WIDE_GLYPHS_PATCH
if (dmode & DRAW_FG) {
#endif // WIDE_GLYPHS_PATCH
#if BOXDRAW_PATCH #if BOXDRAW_PATCH
if (base.mode & ATTR_BOXDRAW) { if (base.mode & ATTR_BOXDRAW) {
drawboxes(winx, winy, width / len, win.ch, fg, bg, specs, len); drawboxes(winx, winy, width / len, win.ch, fg, bg, specs, len);
@ -1794,6 +1811,9 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i
width, 1); width, 1);
#endif // VERTCENTER_PATCH #endif // VERTCENTER_PATCH
} }
#if WIDE_GLYPHS_PATCH
}
#endif // WIDE_GLYPHS_PATCH
/* Reset clip to none. */ /* Reset clip to none. */
XftDrawSetClip(xw.draw, 0); XftDrawSetClip(xw.draw, 0);
@ -1806,7 +1826,11 @@ xdrawglyph(Glyph g, int x, int y)
XftGlyphFontSpec spec; XftGlyphFontSpec spec;
numspecs = xmakeglyphfontspecs(&spec, &g, 1, x, y); numspecs = xmakeglyphfontspecs(&spec, &g, 1, x, y);
#if WIDE_GLYPHS_PATCH
xdrawglyphfontspecs(&spec, g, numspecs, x, y, DRAW_BG | DRAW_FG);
#else
xdrawglyphfontspecs(&spec, g, numspecs, x, y); xdrawglyphfontspecs(&spec, g, numspecs, x, y);
#endif // WIDE_GLYPHS_PATCH
} }
void void
@ -1978,7 +2002,43 @@ void
xdrawline(Line line, int x1, int y1, int x2) xdrawline(Line line, int x1, int y1, int x2)
{ {
int i, x, ox, numspecs; int i, x, ox, numspecs;
#if WIDE_GLYPHS_PATCH
int numspecs_cached;
#endif // WIDE_GLYPHS_PATCH
Glyph base, new; Glyph base, new;
#if WIDE_GLYPHS_PATCH
XftGlyphFontSpec *specs;
numspecs_cached = xmakeglyphfontspecs(xw.specbuf, &line[x1], x2 - x1, x1, y1);
/* Draw line in 2 passes: background and foreground. This way wide glyphs
won't get truncated (#223) */
for (int dmode = DRAW_BG; dmode <= DRAW_FG; dmode <<= 1) {
specs = xw.specbuf;
numspecs = numspecs_cached;
i = ox = 0;
for (x = x1; x < x2 && i < numspecs; 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, dmode);
specs += i;
numspecs -= i;
i = 0;
}
if (i == 0) {
ox = x;
base = new;
}
i++;
}
if (i > 0)
xdrawglyphfontspecs(specs, base, i, ox, y1, dmode);
}
#else
XftGlyphFontSpec *specs = xw.specbuf; XftGlyphFontSpec *specs = xw.specbuf;
numspecs = xmakeglyphfontspecs(specs, &line[x1], x2 - x1, x1, y1); numspecs = xmakeglyphfontspecs(specs, &line[x1], x2 - x1, x1, y1);
@ -2003,6 +2063,7 @@ xdrawline(Line line, int x1, int y1, int x2)
} }
if (i > 0) if (i > 0)
xdrawglyphfontspecs(specs, base, i, ox, y1); xdrawglyphfontspecs(specs, base, i, ox, y1);
#endif // WIDE_GLYPHS_PATCH
} }
void void