diff --git a/Makefile b/Makefile index 470ac86..adfa07a 100644 --- a/Makefile +++ b/Makefile @@ -4,7 +4,7 @@ include config.mk -SRC = st.c x.c +SRC = st.c x.c boxdraw.c hb.c OBJ = $(SRC:.c=.o) all: options st @@ -22,7 +22,9 @@ config.h: $(CC) $(STCFLAGS) -c $< st.o: config.h st.h win.h -x.o: arg.h config.h st.h win.h +x.o: arg.h config.h st.h win.h hb.h +boxdraw.o: config.h st.h boxdraw_data.h +hb.o: st.h $(OBJ): config.h config.mk diff --git a/boxdraw.c b/boxdraw.c new file mode 100644 index 0000000..28a92d0 --- /dev/null +++ b/boxdraw.c @@ -0,0 +1,194 @@ +/* + * Copyright 2018 Avi Halachmi (:avih) avihpit@yahoo.com https://github.com/avih + * MIT/X Consortium License + */ + +#include +#include "st.h" +#include "boxdraw_data.h" + +/* Rounded non-negative integers division of n / d */ +#define DIV(n, d) (((n) + (d) / 2) / (d)) + +static Display *xdpy; +static Colormap xcmap; +static XftDraw *xd; +static Visual *xvis; + +static void drawbox(int, int, int, int, XftColor *, XftColor *, ushort); +static void drawboxlines(int, int, int, int, XftColor *, ushort); + +/* public API */ + +void +boxdraw_xinit(Display *dpy, Colormap cmap, XftDraw *draw, Visual *vis) +{ + xdpy = dpy; xcmap = cmap; xd = draw, xvis = vis; +} + +int +isboxdraw(Rune u) +{ + Rune block = u & ~0xff; + return (boxdraw && block == 0x2500 && boxdata[(uint8_t)u]) || + (boxdraw_braille && block == 0x2800); +} + +/* the "index" is actually the entire shape data encoded as ushort */ +ushort +boxdrawindex(const Glyph *g) +{ + if (boxdraw_braille && (g->u & ~0xff) == 0x2800) + return BRL | (uint8_t)g->u; + if (boxdraw_bold && (g->mode & ATTR_BOLD)) + return BDB | boxdata[(uint8_t)g->u]; + return boxdata[(uint8_t)g->u]; +} + +void +drawboxes(int x, int y, int cw, int ch, XftColor *fg, XftColor *bg, + const XftGlyphFontSpec *specs, int len) +{ + for ( ; len-- > 0; x += cw, specs++) + drawbox(x, y, cw, ch, fg, bg, (ushort)specs->glyph); +} + +/* implementation */ + +void +drawbox(int x, int y, int w, int h, XftColor *fg, XftColor *bg, ushort bd) +{ + ushort cat = bd & ~(BDB | 0xff); /* mask out bold and data */ + if (bd & (BDL | BDA)) { + /* lines (light/double/heavy/arcs) */ + drawboxlines(x, y, w, h, fg, bd); + + } else if (cat == BBD) { + /* lower (8-X)/8 block */ + int d = DIV((uint8_t)bd * h, 8); + XftDrawRect(xd, fg, x, y + d, w, h - d); + + } else if (cat == BBU) { + /* upper X/8 block */ + XftDrawRect(xd, fg, x, y, w, DIV((uint8_t)bd * h, 8)); + + } else if (cat == BBL) { + /* left X/8 block */ + XftDrawRect(xd, fg, x, y, DIV((uint8_t)bd * w, 8), h); + + } else if (cat == BBR) { + /* right (8-X)/8 block */ + int d = DIV((uint8_t)bd * w, 8); + XftDrawRect(xd, fg, x + d, y, w - d, h); + + } else if (cat == BBQ) { + /* Quadrants */ + int w2 = DIV(w, 2), h2 = DIV(h, 2); + if (bd & TL) + XftDrawRect(xd, fg, x, y, w2, h2); + if (bd & TR) + XftDrawRect(xd, fg, x + w2, y, w - w2, h2); + if (bd & BL) + XftDrawRect(xd, fg, x, y + h2, w2, h - h2); + if (bd & BR) + XftDrawRect(xd, fg, x + w2, y + h2, w - w2, h - h2); + + } else if (bd & BBS) { + /* Shades - data is 1/2/3 for 25%/50%/75% alpha, respectively */ + int d = (uint8_t)bd; + XftColor xfc; + XRenderColor xrc = { .alpha = 0xffff }; + + xrc.red = DIV(fg->color.red * d + bg->color.red * (4 - d), 4); + xrc.green = DIV(fg->color.green * d + bg->color.green * (4 - d), 4); + xrc.blue = DIV(fg->color.blue * d + bg->color.blue * (4 - d), 4); + + XftColorAllocValue(xdpy, xvis, xcmap, &xrc, &xfc); + XftDrawRect(xd, &xfc, x, y, w, h); + XftColorFree(xdpy, xvis, xcmap, &xfc); + + } else if (cat == BRL) { + /* braille, each data bit corresponds to one dot at 2x4 grid */ + int w1 = DIV(w, 2); + int h1 = DIV(h, 4), h2 = DIV(h, 2), h3 = DIV(3 * h, 4); + + if (bd & 1) XftDrawRect(xd, fg, x, y, w1, h1); + if (bd & 2) XftDrawRect(xd, fg, x, y + h1, w1, h2 - h1); + if (bd & 4) XftDrawRect(xd, fg, x, y + h2, w1, h3 - h2); + if (bd & 8) XftDrawRect(xd, fg, x + w1, y, w - w1, h1); + if (bd & 16) XftDrawRect(xd, fg, x + w1, y + h1, w - w1, h2 - h1); + if (bd & 32) XftDrawRect(xd, fg, x + w1, y + h2, w - w1, h3 - h2); + if (bd & 64) XftDrawRect(xd, fg, x, y + h3, w1, h - h3); + if (bd & 128) XftDrawRect(xd, fg, x + w1, y + h3, w - w1, h - h3); + + } +} + +void +drawboxlines(int x, int y, int w, int h, XftColor *fg, ushort bd) +{ + /* s: stem thickness. width/8 roughly matches underscore thickness. */ + /* We draw bold as 1.5 * normal-stem and at least 1px thicker. */ + /* doubles draw at least 3px, even when w or h < 3. bold needs 6px. */ + int mwh = MIN(w, h); + int base_s = MAX(1, DIV(mwh, 8)); + int bold = (bd & BDB) && mwh >= 6; /* possibly ignore boldness */ + int s = bold ? MAX(base_s + 1, DIV(3 * base_s, 2)) : base_s; + int w2 = DIV(w - s, 2), h2 = DIV(h - s, 2); + /* the s-by-s square (x + w2, y + h2, s, s) is the center texel. */ + /* The base length (per direction till edge) includes this square. */ + + int light = bd & (LL | LU | LR | LD); + int double_ = bd & (DL | DU | DR | DD); + + if (light) { + /* d: additional (negative) length to not-draw the center */ + /* texel - at arcs and avoid drawing inside (some) doubles */ + int arc = bd & BDA; + int multi_light = light & (light - 1); + int multi_double = double_ & (double_ - 1); + /* light crosses double only at DH+LV, DV+LH (ref. shapes) */ + int d = arc || (multi_double && !multi_light) ? -s : 0; + + if (bd & LL) + XftDrawRect(xd, fg, x, y + h2, w2 + s + d, s); + if (bd & LU) + XftDrawRect(xd, fg, x + w2, y, s, h2 + s + d); + if (bd & LR) + XftDrawRect(xd, fg, x + w2 - d, y + h2, w - w2 + d, s); + if (bd & LD) + XftDrawRect(xd, fg, x + w2, y + h2 - d, s, h - h2 + d); + } + + /* double lines - also align with light to form heavy when combined */ + if (double_) { + /* + * going clockwise, for each double-ray: p is additional length + * to the single-ray nearer to the previous direction, and n to + * the next. p and n adjust from the base length to lengths + * which consider other doubles - shorter to avoid intersections + * (p, n), or longer to draw the far-corner texel (n). + */ + int dl = bd & DL, du = bd & DU, dr = bd & DR, dd = bd & DD; + if (dl) { + int p = dd ? -s : 0, n = du ? -s : dd ? s : 0; + XftDrawRect(xd, fg, x, y + h2 + s, w2 + s + p, s); + XftDrawRect(xd, fg, x, y + h2 - s, w2 + s + n, s); + } + if (du) { + int p = dl ? -s : 0, n = dr ? -s : dl ? s : 0; + XftDrawRect(xd, fg, x + w2 - s, y, s, h2 + s + p); + XftDrawRect(xd, fg, x + w2 + s, y, s, h2 + s + n); + } + if (dr) { + int p = du ? -s : 0, n = dd ? -s : du ? s : 0; + XftDrawRect(xd, fg, x + w2 - p, y + h2 - s, w - w2 + p, s); + XftDrawRect(xd, fg, x + w2 - n, y + h2 + s, w - w2 + n, s); + } + if (dd) { + int p = dr ? -s : 0, n = dl ? -s : dr ? s : 0; + XftDrawRect(xd, fg, x + w2 + s, y + h2 - p, s, h - h2 + p); + XftDrawRect(xd, fg, x + w2 - s, y + h2 - n, s, h - h2 + n); + } + } +} diff --git a/boxdraw_data.h b/boxdraw_data.h new file mode 100644 index 0000000..7890500 --- /dev/null +++ b/boxdraw_data.h @@ -0,0 +1,214 @@ +/* + * Copyright 2018 Avi Halachmi (:avih) avihpit@yahoo.com https://github.com/avih + * MIT/X Consortium License + */ + +/* + * U+25XX codepoints data + * + * References: + * http://www.unicode.org/charts/PDF/U2500.pdf + * http://www.unicode.org/charts/PDF/U2580.pdf + * + * Test page: + * https://github.com/GNOME/vte/blob/master/doc/boxes.txt + */ + +/* Each shape is encoded as 16-bits. Higher bits are category, lower are data */ +/* Categories (mutually exclusive except BDB): */ +/* For convenience, BDL/BDA/BBS/BDB are 1 bit each, the rest are enums */ +#define BDL (1<<8) /* Box Draw Lines (light/double/heavy) */ +#define BDA (1<<9) /* Box Draw Arc (light) */ + +#define BBD (1<<10) /* Box Block Down (lower) X/8 */ +#define BBL (2<<10) /* Box Block Left X/8 */ +#define BBU (3<<10) /* Box Block Upper X/8 */ +#define BBR (4<<10) /* Box Block Right X/8 */ +#define BBQ (5<<10) /* Box Block Quadrants */ +#define BRL (6<<10) /* Box Braille (data is lower byte of U28XX) */ + +#define BBS (1<<14) /* Box Block Shades */ +#define BDB (1<<15) /* Box Draw is Bold */ + +/* (BDL/BDA) Light/Double/Heavy x Left/Up/Right/Down/Horizontal/Vertical */ +/* Heavy is light+double (literally drawing light+double align to form heavy) */ +#define LL (1<<0) +#define LU (1<<1) +#define LR (1<<2) +#define LD (1<<3) +#define LH (LL+LR) +#define LV (LU+LD) + +#define DL (1<<4) +#define DU (1<<5) +#define DR (1<<6) +#define DD (1<<7) +#define DH (DL+DR) +#define DV (DU+DD) + +#define HL (LL+DL) +#define HU (LU+DU) +#define HR (LR+DR) +#define HD (LD+DD) +#define HH (HL+HR) +#define HV (HU+HD) + +/* (BBQ) Quadrants Top/Bottom x Left/Right */ +#define TL (1<<0) +#define TR (1<<1) +#define BL (1<<2) +#define BR (1<<3) + +/* Data for U+2500 - U+259F except dashes/diagonals */ +static const unsigned short boxdata[256] = { + /* light lines */ + [0x00] = BDL + LH, /* light horizontal */ + [0x02] = BDL + LV, /* light vertical */ + [0x0c] = BDL + LD + LR, /* light down and right */ + [0x10] = BDL + LD + LL, /* light down and left */ + [0x14] = BDL + LU + LR, /* light up and right */ + [0x18] = BDL + LU + LL, /* light up and left */ + [0x1c] = BDL + LV + LR, /* light vertical and right */ + [0x24] = BDL + LV + LL, /* light vertical and left */ + [0x2c] = BDL + LH + LD, /* light horizontal and down */ + [0x34] = BDL + LH + LU, /* light horizontal and up */ + [0x3c] = BDL + LV + LH, /* light vertical and horizontal */ + [0x74] = BDL + LL, /* light left */ + [0x75] = BDL + LU, /* light up */ + [0x76] = BDL + LR, /* light right */ + [0x77] = BDL + LD, /* light down */ + + /* heavy [+light] lines */ + [0x01] = BDL + HH, + [0x03] = BDL + HV, + [0x0d] = BDL + HR + LD, + [0x0e] = BDL + HD + LR, + [0x0f] = BDL + HD + HR, + [0x11] = BDL + HL + LD, + [0x12] = BDL + HD + LL, + [0x13] = BDL + HD + HL, + [0x15] = BDL + HR + LU, + [0x16] = BDL + HU + LR, + [0x17] = BDL + HU + HR, + [0x19] = BDL + HL + LU, + [0x1a] = BDL + HU + LL, + [0x1b] = BDL + HU + HL, + [0x1d] = BDL + HR + LV, + [0x1e] = BDL + HU + LD + LR, + [0x1f] = BDL + HD + LR + LU, + [0x20] = BDL + HV + LR, + [0x21] = BDL + HU + HR + LD, + [0x22] = BDL + HD + HR + LU, + [0x23] = BDL + HV + HR, + [0x25] = BDL + HL + LV, + [0x26] = BDL + HU + LD + LL, + [0x27] = BDL + HD + LU + LL, + [0x28] = BDL + HV + LL, + [0x29] = BDL + HU + HL + LD, + [0x2a] = BDL + HD + HL + LU, + [0x2b] = BDL + HV + HL, + [0x2d] = BDL + HL + LD + LR, + [0x2e] = BDL + HR + LL + LD, + [0x2f] = BDL + HH + LD, + [0x30] = BDL + HD + LH, + [0x31] = BDL + HD + HL + LR, + [0x32] = BDL + HR + HD + LL, + [0x33] = BDL + HH + HD, + [0x35] = BDL + HL + LU + LR, + [0x36] = BDL + HR + LU + LL, + [0x37] = BDL + HH + LU, + [0x38] = BDL + HU + LH, + [0x39] = BDL + HU + HL + LR, + [0x3a] = BDL + HU + HR + LL, + [0x3b] = BDL + HH + HU, + [0x3d] = BDL + HL + LV + LR, + [0x3e] = BDL + HR + LV + LL, + [0x3f] = BDL + HH + LV, + [0x40] = BDL + HU + LH + LD, + [0x41] = BDL + HD + LH + LU, + [0x42] = BDL + HV + LH, + [0x43] = BDL + HU + HL + LD + LR, + [0x44] = BDL + HU + HR + LD + LL, + [0x45] = BDL + HD + HL + LU + LR, + [0x46] = BDL + HD + HR + LU + LL, + [0x47] = BDL + HH + HU + LD, + [0x48] = BDL + HH + HD + LU, + [0x49] = BDL + HV + HL + LR, + [0x4a] = BDL + HV + HR + LL, + [0x4b] = BDL + HV + HH, + [0x78] = BDL + HL, + [0x79] = BDL + HU, + [0x7a] = BDL + HR, + [0x7b] = BDL + HD, + [0x7c] = BDL + HR + LL, + [0x7d] = BDL + HD + LU, + [0x7e] = BDL + HL + LR, + [0x7f] = BDL + HU + LD, + + /* double [+light] lines */ + [0x50] = BDL + DH, + [0x51] = BDL + DV, + [0x52] = BDL + DR + LD, + [0x53] = BDL + DD + LR, + [0x54] = BDL + DR + DD, + [0x55] = BDL + DL + LD, + [0x56] = BDL + DD + LL, + [0x57] = BDL + DL + DD, + [0x58] = BDL + DR + LU, + [0x59] = BDL + DU + LR, + [0x5a] = BDL + DU + DR, + [0x5b] = BDL + DL + LU, + [0x5c] = BDL + DU + LL, + [0x5d] = BDL + DL + DU, + [0x5e] = BDL + DR + LV, + [0x5f] = BDL + DV + LR, + [0x60] = BDL + DV + DR, + [0x61] = BDL + DL + LV, + [0x62] = BDL + DV + LL, + [0x63] = BDL + DV + DL, + [0x64] = BDL + DH + LD, + [0x65] = BDL + DD + LH, + [0x66] = BDL + DD + DH, + [0x67] = BDL + DH + LU, + [0x68] = BDL + DU + LH, + [0x69] = BDL + DH + DU, + [0x6a] = BDL + DH + LV, + [0x6b] = BDL + DV + LH, + [0x6c] = BDL + DH + DV, + + /* (light) arcs */ + [0x6d] = BDA + LD + LR, + [0x6e] = BDA + LD + LL, + [0x6f] = BDA + LU + LL, + [0x70] = BDA + LU + LR, + + /* Lower (Down) X/8 block (data is 8 - X) */ + [0x81] = BBD + 7, [0x82] = BBD + 6, [0x83] = BBD + 5, [0x84] = BBD + 4, + [0x85] = BBD + 3, [0x86] = BBD + 2, [0x87] = BBD + 1, [0x88] = BBD + 0, + + /* Left X/8 block (data is X) */ + [0x89] = BBL + 7, [0x8a] = BBL + 6, [0x8b] = BBL + 5, [0x8c] = BBL + 4, + [0x8d] = BBL + 3, [0x8e] = BBL + 2, [0x8f] = BBL + 1, + + /* upper 1/2 (4/8), 1/8 block (X), right 1/2, 1/8 block (8-X) */ + [0x80] = BBU + 4, [0x94] = BBU + 1, + [0x90] = BBR + 4, [0x95] = BBR + 7, + + /* Quadrants */ + [0x96] = BBQ + BL, + [0x97] = BBQ + BR, + [0x98] = BBQ + TL, + [0x99] = BBQ + TL + BL + BR, + [0x9a] = BBQ + TL + BR, + [0x9b] = BBQ + TL + TR + BL, + [0x9c] = BBQ + TL + TR + BR, + [0x9d] = BBQ + TR, + [0x9e] = BBQ + BL + TR, + [0x9f] = BBQ + BL + TR + BR, + + /* Shades, data is an alpha value in 25% units (1/4, 1/2, 3/4) */ + [0x91] = BBS + 1, [0x92] = BBS + 2, [0x93] = BBS + 3, + + /* U+2504 - U+250B, U+254C - U+254F: unsupported (dashes) */ + /* U+2571 - U+2573: unsupported (diagonals) */ +}; diff --git a/config.def.h b/config.def.h index dc9f202..17b7699 100644 --- a/config.def.h +++ b/config.def.h @@ -87,6 +87,18 @@ static unsigned int blinktimeout = 800; */ static unsigned int cursorthickness = 2; +/* + * 1: render most of the lines/blocks characters without using the font for + * perfect alignment between cells (U2500 - U259F except dashes/diagonals). + * Bold affects lines thickness if boxdraw_bold is not 0. Italic is ignored. + * 0: disable (render all U25XX glyphs normally from the font). + */ +const int boxdraw = 0; +const int boxdraw_bold = 0; + +/* braille (U28XX): 1: render as adjacent "pixels", 0: use font */ +const int boxdraw_braille = 0; + /* * bell volume. It must be a value between -100 and 100. Use 0 for disabling * it diff --git a/config.mk b/config.mk index 4e94370..128dfe3 100644 --- a/config.mk +++ b/config.mk @@ -15,7 +15,8 @@ PKG_CONFIG = pkg-config # includes and libs INCS = -I$(X11INC) \ `$(PKG_CONFIG) --cflags fontconfig` \ - `$(PKG_CONFIG) --cflags freetype2` + `$(PKG_CONFIG) --cflags freetype2` \ + `$(PKG_CONFIG) --cflags harfbuzz` LIBS = -L$(X11LIB) -lm -lrt -lX11 -lutil -lXft -lXrender\ `$(PKG_CONFIG) --libs fontconfig` \ `$(PKG_CONFIG) --libs freetype2` diff --git a/hb.c b/hb.c new file mode 100644 index 0000000..b42f357 --- /dev/null +++ b/hb.c @@ -0,0 +1,124 @@ +#include +#include +#include +#include +#include +#include +#include + +#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 } +#define BUFFER_STEP 256 + +hb_font_t *hbfindfont(XftFont *match); + +typedef struct { + XftFont *match; + hb_font_t *font; +} HbFontMatch; + +typedef struct { + size_t capacity; + HbFontMatch *fonts; +} HbFontCache; + +static HbFontCache hbfontcache = { 0, NULL }; + +typedef struct { + size_t capacity; + Rune *runes; +} RuneBuffer; + +static RuneBuffer hbrunebuffer = { 0, NULL }; + +/* + * Poplulate the array with a list of font features, wrapped in FEATURE macro, + * e. g. + * FEATURE('c', 'a', 'l', 't'), FEATURE('d', 'l', 'i', 'g') + */ +hb_feature_t features[] = { }; + +void +hbunloadfonts() +{ + for (int i = 0; i < hbfontcache.capacity; i++) { + hb_font_destroy(hbfontcache.fonts[i].font); + XftUnlockFace(hbfontcache.fonts[i].match); + } + + if (hbfontcache.fonts != NULL) { + free(hbfontcache.fonts); + hbfontcache.fonts = NULL; + } + hbfontcache.capacity = 0; +} + +hb_font_t * +hbfindfont(XftFont *match) +{ + for (int i = 0; i < hbfontcache.capacity; i++) { + if (hbfontcache.fonts[i].match == match) + return hbfontcache.fonts[i].font; + } + + /* Font not found in cache, caching it now. */ + hbfontcache.fonts = realloc(hbfontcache.fonts, sizeof(HbFontMatch) * (hbfontcache.capacity + 1)); + FT_Face face = XftLockFace(match); + hb_font_t *font = hb_ft_font_create(face, NULL); + if (font == NULL) + die("Failed to load Harfbuzz font."); + + hbfontcache.fonts[hbfontcache.capacity].match = match; + hbfontcache.fonts[hbfontcache.capacity].font = font; + hbfontcache.capacity += 1; + + return font; +} + +void hbtransform(HbTransformData *data, XftFont *xfont, const Glyph *glyphs, int start, int length) { + ushort mode = USHRT_MAX; + unsigned int glyph_count; + int rune_idx, glyph_idx, end = start + length; + + hb_font_t *font = hbfindfont(xfont); + if (font == NULL) + return; + + hb_buffer_t *buffer = hb_buffer_create(); + hb_buffer_set_direction(buffer, HB_DIRECTION_LTR); + + /* Resize the buffer if required length is larger. */ + if (hbrunebuffer.capacity < length) { + hbrunebuffer.capacity = (length / BUFFER_STEP + 1) * BUFFER_STEP; + hbrunebuffer.runes = realloc(hbrunebuffer.runes, hbrunebuffer.capacity * sizeof(Rune)); + } + + /* Fill buffer with codepoints. */ + for (rune_idx = 0, glyph_idx = start; glyph_idx < end; glyph_idx++, rune_idx++) { + hbrunebuffer.runes[rune_idx] = glyphs[glyph_idx].u; + mode = glyphs[glyph_idx].mode; + if (mode & ATTR_WDUMMY) + hbrunebuffer.runes[rune_idx] = 0x0020; + } + hb_buffer_add_codepoints(buffer, hbrunebuffer.runes, length, 0, length); + + /* Shape the segment. */ + 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, &glyph_count); + hb_glyph_position_t *pos = hb_buffer_get_glyph_positions(buffer, &glyph_count); + + /* Fill the output. */ + data->buffer = buffer; + data->glyphs = info; + data->positions = pos; + data->count = glyph_count; +} + +void hbcleanup(HbTransformData *data) { + hb_buffer_destroy(data->buffer); + memset(data, 0, sizeof(HbTransformData)); +} diff --git a/hb.h b/hb.h new file mode 100644 index 0000000..88de9bd --- /dev/null +++ b/hb.h @@ -0,0 +1,14 @@ +#include +#include +#include + +typedef struct { + hb_buffer_t *buffer; + hb_glyph_info_t *glyphs; + hb_glyph_position_t *positions; + unsigned int count; +} HbTransformData; + +void hbunloadfonts(); +void hbtransform(HbTransformData *, XftFont *, const Glyph *, int, int); +void hbcleanup(HbTransformData *); diff --git a/st.c b/st.c index dff6872..e4a6bfb 100644 --- a/st.c +++ b/st.c @@ -1274,6 +1274,9 @@ tsetchar(Rune u, const Glyph *attr, int x, int y) term.dirty[y] = 1; term.line[y][x] = *attr; term.line[y][x].u = u; + + if (isboxdraw(u)) + term.line[y][x].mode |= ATTR_BOXDRAW; } void @@ -2747,7 +2750,8 @@ draw(void) drawregion(0, 0, term.col, term.row); xdrawcursor(cx, term.c.y, term.line[term.c.y][cx], - term.ocx, term.ocy, term.line[term.ocy][term.ocx]); + term.ocx, term.ocy, term.line[term.ocy][term.ocx], + term.line[term.ocy], term.col); term.ocx = cx; term.ocy = term.c.y; xfinishdraw(); diff --git a/st.h b/st.h index ed3dc3f..d0c8b8b 100644 --- a/st.h +++ b/st.h @@ -11,7 +11,8 @@ #define DIVCEIL(n, d) (((n) + ((d) - 1)) / (d)) #define DEFAULT(a, b) (a) = (a) ? (a) : (b) #define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x) -#define ATTRCMP(a, b) ((a).mode != (b).mode || (a).fg != (b).fg || \ +#define ATTRCMP(a, b) (((a).mode & (~ATTR_WRAP)) != ((b).mode & (~ATTR_WRAP)) || \ + (a).fg != (b).fg || \ (a).bg != (b).bg) #define TIMEDIFF(t1, t2) ((t1.tv_sec-t2.tv_sec)*1000 + \ (t1.tv_nsec-t2.tv_nsec)/1E6) @@ -33,10 +34,17 @@ enum glyph_attribute { ATTR_WRAP = 1 << 8, ATTR_WIDE = 1 << 9, ATTR_WDUMMY = 1 << 10, + ATTR_BOXDRAW = 1 << 11, ATTR_BOLD_FAINT = ATTR_BOLD | ATTR_FAINT, ATTR_DIRTYUNDERLINE = 1 << 15, }; +enum drawing_mode { + DRAW_NONE = 0, + DRAW_BG = 1 << 0, + DRAW_FG = 1 << 1, +}; + enum selection_mode { SEL_IDLE = 0, SEL_EMPTY = 1, @@ -114,6 +122,14 @@ void *xmalloc(size_t); void *xrealloc(void *, size_t); char *xstrdup(const char *); +int isboxdraw(Rune); +ushort boxdrawindex(const Glyph *); +#ifdef XFT_VERSION +/* only exposed to x.c, otherwise we'll need Xft.h for the types */ +void boxdraw_xinit(Display *, Colormap, XftDraw *, Visual *); +void drawboxes(int, int, int, int, XftColor *, XftColor *, const XftGlyphFontSpec *, int); +#endif + /* config.h globals */ extern char *utmp; extern char *scroll; @@ -127,4 +143,5 @@ extern unsigned int tabspaces; extern unsigned int defaultfg; extern unsigned int defaultbg; extern unsigned int defaultcs; +extern const int boxdraw, boxdraw_bold, boxdraw_braille; extern float alpha; diff --git a/win.h b/win.h index 6de960d..94679e4 100644 --- a/win.h +++ b/win.h @@ -25,7 +25,7 @@ enum win_mode { void xbell(void); void xclipcopy(void); -void xdrawcursor(int, int, Glyph, int, int, Glyph); +void xdrawcursor(int, int, Glyph, int, int, Glyph, Line, int); void xdrawline(Line, int, int, int); void xfinishdraw(void); void xloadcols(void); diff --git a/x.c b/x.c index c26430c..eb2f135 100644 --- a/x.c +++ b/x.c @@ -14,7 +14,6 @@ #include #include #include -#include #include char *argv0; @@ -47,19 +46,15 @@ typedef struct { signed char appcursor; /* application cursor */ } Key; -/* Xresources preferences */ -enum resource_type { - STRING = 0, - INTEGER = 1, - FLOAT = 2 +<<<<<<< HEAD +/* Undercurl slope types */ +enum undercurl_slope_type { + UNDERCURL_SLOPE_ASCENDING = 0, + UNDERCURL_SLOPE_TOP_CAP = 1, + UNDERCURL_SLOPE_DESCENDING = 2, + UNDERCURL_SLOPE_BOTTOM_CAP = 3 }; - -typedef struct { - char *name; - enum resource_type type; - void *dst; -} ResourcePref; - +======= typedef struct { const char *name; float defaultfontsize; @@ -72,14 +67,7 @@ typedef struct { } MonitorInfo; static void refreshxrandr(const Arg *dummy); - -/* Undercurl slope types */ -enum undercurl_slope_type { - UNDERCURL_SLOPE_ASCENDING = 0, - UNDERCURL_SLOPE_TOP_CAP = 1, - UNDERCURL_SLOPE_DESCENDING = 2, - UNDERCURL_SLOPE_BOTTOM_CAP = 3 -}; +>>>>>>> feat/xrandrfontsize /* X modifiers */ #define XK_ANY_MOD UINT_MAX @@ -917,8 +905,8 @@ xclear(int x1, int y1, int x2, int y2) void xhints(void) { - XClassHint class = {opt_name ? opt_name : "st", - opt_class ? opt_class : "St"}; + XClassHint class = {opt_name ? opt_name : termname, + opt_class ? opt_class : termname}; XWMHints wm = {.flags = InputHint, .input = 1}; XSizeHints *sizeh; @@ -1195,6 +1183,8 @@ xinit(int cols, int rows) XWindowAttributes attr; XVisualInfo vis; + if (!(xw.dpy = XOpenDisplay(NULL))) + die("can't open display\n"); xw.scr = XDefaultScreen(xw.dpy); if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0)))) { @@ -1568,23 +1558,24 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i if (base.mode & ATTR_INVISIBLE) fg = bg; - /* Intelligent cleaning up of the borders. */ - if (x == 0) { - xclear(0, (y == 0)? 0 : winy, win.hborderpx, - winy + win.ch + - ((winy + win.ch >= win.vborderpx + win.th)? win.h : 0)); - } - if (winx + width >= win.hborderpx + win.tw) { - xclear(winx + width, (y == 0)? 0 : winy, win.w, - ((winy + win.ch >= win.vborderpx + win.th)? win.h : (winy + win.ch))); - } - if (y == 0) - xclear(winx, 0, winx + width, win.vborderpx); - if (winy + win.ch >= win.vborderpx + win.th) - xclear(winx, winy + win.ch, winx + width, win.h); - - /* Clean up the region we want to draw to. */ - XftDrawRect(xw.draw, bg, winx, winy, width, win.ch); + if (dmode & DRAW_BG) { + /* Intelligent cleaning up of the borders. */ + if (x == 0) { + xclear(0, (y == 0)? 0 : winy, borderpx, + winy + win.ch + + ((winy + win.ch >= borderpx + win.th)? win.h : 0)); + } + if (winx + width >= borderpx + win.tw) { + xclear(winx + width, (y == 0)? 0 : winy, win.w, + ((winy + win.ch >= borderpx + win.th)? win.h : (winy + win.ch))); + } + if (y == 0) + xclear(winx, 0, winx + width, borderpx); + if (winy + win.ch >= borderpx + win.th) + xclear(winx, winy + win.ch, winx + width, win.h); + /* Fill the background */ + XftDrawRect(xw.draw, bg, winx, winy, width, win.ch); + } /* Set the clip region because Xft is sometimes dirty. */ r.x = 0; @@ -2669,59 +2660,6 @@ run(void) } } -int -resource_load(XrmDatabase db, char *name, enum resource_type rtype, void *dst) -{ - char **sdst = dst; - int *idst = dst; - float *fdst = dst; - - char fullname[256]; - char fullclass[256]; - char *type; - XrmValue ret; - - snprintf(fullname, sizeof(fullname), "%s.%s", - opt_name ? opt_name : "st", name); - snprintf(fullclass, sizeof(fullclass), "%s.%s", - opt_class ? opt_class : "St", name); - fullname[sizeof(fullname) - 1] = fullclass[sizeof(fullclass) - 1] = '\0'; - - XrmGetResource(db, fullname, fullclass, &type, &ret); - if (ret.addr == NULL || strncmp("String", type, 64)) - return 1; - - switch (rtype) { - case STRING: - *sdst = ret.addr; - break; - case INTEGER: - *idst = strtoul(ret.addr, NULL, 10); - break; - case FLOAT: - *fdst = strtof(ret.addr, NULL); - break; - } - return 0; -} - -void -config_init(void) -{ - char *resm; - XrmDatabase db; - ResourcePref *p; - - XrmInitialize(); - resm = XResourceManagerString(xw.dpy); - if (!resm) - return; - - db = XrmGetStringDatabase(resm); - for (p = resources; p < resources + LEN(resources); p++) - resource_load(db, p->name, p->type, p->dst); -} - void usage(void) { @@ -2798,11 +2736,6 @@ run: setlocale(LC_CTYPE, ""); XSetLocaleModifiers(""); - - if(!(xw.dpy = XOpenDisplay(NULL))) - die("Can't open display\n"); - - config_init(); cols = MAX(cols, 1); rows = MAX(rows, 1); tnew(cols, rows);