Jonathan Hodgson
4 years ago
parent
ba17528c63
commit
325809d127
10 changed files with 164 additions and 2303 deletions
@ -0,0 +1,128 @@ |
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#include <stdlib.h> |
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#include <stdio.h> |
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#include <math.h> |
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#include <X11/Xft/Xft.h> |
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#include <hb.h> |
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#include <hb-ft.h> |
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#include "st.h" |
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|
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void hbtransformsegment(XftFont *xfont, const Glyph *string, hb_codepoint_t *codepoints, int start, int length); |
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hb_font_t *hbfindfont(XftFont *match); |
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typedef struct { |
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XftFont *match; |
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hb_font_t *font; |
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} HbFontMatch; |
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static int hbfontslen = 0; |
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static HbFontMatch *hbfontcache = NULL; |
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void hbunloadfonts() { |
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for (int i = 0; i < hbfontslen; i++) |
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hb_font_destroy(hbfontcache[i].font); |
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if (hbfontcache != NULL) { |
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free(hbfontcache); |
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hbfontcache = NULL; |
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} |
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hbfontslen = 0; |
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} |
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hb_font_t *hbfindfont(XftFont *match) { |
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for (int i = 0; i < hbfontslen; i++) { |
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if (hbfontcache[i].match == match) |
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return hbfontcache[i].font; |
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} |
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// Font not found in cache, caching it now.
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hbfontcache = realloc(hbfontcache, sizeof(HbFontMatch) * (hbfontslen + 1)); |
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FT_Face face = XftLockFace(match); |
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hb_font_t *font = hb_ft_font_create(face, NULL); |
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if (font == NULL) |
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die("Failed to load Harfbuzz font."); |
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XftUnlockFace(match); |
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|
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hbfontcache[hbfontslen].match = match; |
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hbfontcache[hbfontslen].font = font; |
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hbfontslen += 1; |
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return font; |
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} |
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void hbtransform(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x, int y) { |
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int start = 0, length = 1, gstart = 0; |
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hb_codepoint_t *codepoints = calloc(len, sizeof(hb_codepoint_t)); |
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for (int idx = 1, specidx = 1; idx < len; idx++) { |
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if (glyphs[idx].mode & ATTR_WDUMMY) { |
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length += 1; |
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continue; |
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} |
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if (specs[specidx].font != specs[start].font || ATTRCMP(glyphs[gstart], glyphs[idx]) || selected(x + idx, y) != selected(x + gstart, y)) { |
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hbtransformsegment(specs[start].font, glyphs, codepoints, gstart, length); |
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|
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// Reset the sequence.
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length = 1; |
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start = specidx; |
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gstart = idx; |
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} else { |
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length += 1; |
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} |
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specidx++; |
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} |
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// EOL.
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hbtransformsegment(specs[start].font, glyphs, codepoints, gstart, length); |
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|
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// Apply the transformation to glyph specs.
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for (int i = 0, specidx = 0; i < len; i++) { |
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if (glyphs[i].mode & ATTR_WDUMMY) |
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continue; |
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if (codepoints[i] != specs[specidx].glyph) |
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((Glyph *)glyphs)[i].mode |= ATTR_LIGA; |
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specs[specidx++].glyph = codepoints[i]; |
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} |
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free(codepoints); |
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} |
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void hbtransformsegment(XftFont *xfont, const Glyph *string, hb_codepoint_t *codepoints, int start, int length) { |
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hb_font_t *font = hbfindfont(xfont); |
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if (font == NULL) |
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return; |
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Rune rune; |
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ushort mode = USHRT_MAX; |
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hb_buffer_t *buffer = hb_buffer_create(); |
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hb_buffer_set_direction(buffer, HB_DIRECTION_LTR); |
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// Fill buffer with codepoints.
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for (int i = start; i < (start+length); i++) { |
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rune = string[i].u; |
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mode = string[i].mode; |
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if (mode & ATTR_WDUMMY) |
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rune = 0x0020; |
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hb_buffer_add_codepoints(buffer, &rune, 1, 0, 1); |
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} |
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|
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// Shape the segment.
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hb_shape(font, buffer, NULL, 0); |
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// Get new glyph info.
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unsigned int len = hb_buffer_get_length(buffer); |
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hb_glyph_info_t *info = hb_buffer_get_glyph_infos(buffer, NULL); |
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// Write new codepoints.
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for (int i = 0; i < length; i++) { |
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hb_codepoint_t gid = info[i].codepoint; |
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codepoints[start+i] = gid; |
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} |
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// Cleanup.
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hb_buffer_destroy(buffer); |
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} |
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@ -0,0 +1,7 @@ |
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#include <X11/Xft/Xft.h> |
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#include <hb.h> |
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#include <hb-ft.h> |
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void hbunloadfonts(); |
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void hbtransform(XftGlyphFontSpec *, const Glyph *, int, int, int); |
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@ -1,163 +0,0 @@ |
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diff --git a/config.def.h b/config.def.h
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index 0e01717..e116631 100644
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--- a/config.def.h
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+++ b/config.def.h
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@@ -82,6 +82,9 @@ char *termname = "st-256color";
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*/
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unsigned int tabspaces = 8;
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+/* bg opacity */
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+float alpha = 0.8;
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+
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/* Terminal colors (16 first used in escape sequence) */
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static const char *colorname[] = {
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/* 8 normal colors */
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@@ -109,6 +112,7 @@ static const char *colorname[] = {
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/* more colors can be added after 255 to use with DefaultXX */
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"#cccccc",
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"#555555",
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+ "black",
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};
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@@ -117,7 +121,7 @@ static const char *colorname[] = {
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* foreground, background, cursor, reverse cursor
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*/
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unsigned int defaultfg = 7;
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-unsigned int defaultbg = 0;
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+unsigned int defaultbg = 258;
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static unsigned int defaultcs = 256;
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static unsigned int defaultrcs = 257;
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diff --git a/config.mk b/config.mk
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index 0cbb002..1d2f0e2 100644
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--- a/config.mk
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+++ b/config.mk
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@@ -16,7 +16,7 @@ PKG_CONFIG = pkg-config
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INCS = -I$(X11INC) \
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`$(PKG_CONFIG) --cflags fontconfig` \
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`$(PKG_CONFIG) --cflags freetype2`
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-LIBS = -L$(X11LIB) -lm -lrt -lX11 -lutil -lXft \
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+LIBS = -L$(X11LIB) -lm -lrt -lX11 -lutil -lXft -lXrender\
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`$(PKG_CONFIG) --libs fontconfig` \
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`$(PKG_CONFIG) --libs freetype2`
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diff --git a/st.h b/st.h
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index 38c61c4..b7634ab 100644
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--- a/st.h
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+++ b/st.h
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@@ -120,3 +120,4 @@ extern char *termname;
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extern unsigned int tabspaces;
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extern unsigned int defaultfg;
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extern unsigned int defaultbg;
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+extern float alpha;
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diff --git a/x.c b/x.c
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index 0422421..588dec3 100644
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--- a/x.c
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+++ b/x.c
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@@ -98,6 +98,7 @@ typedef struct {
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XSetWindowAttributes attrs;
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int scr;
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int isfixed; /* is fixed geometry? */
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+ int depth; /* bit depth */
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int l, t; /* left and top offset */
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int gm; /* geometry mask */
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} XWindow;
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@@ -229,6 +230,7 @@ static char *usedfont = NULL;
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static double usedfontsize = 0;
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static double defaultfontsize = 0;
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+static char *opt_alpha = NULL;
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static char *opt_class = NULL;
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static char **opt_cmd = NULL;
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static char *opt_embed = NULL;
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@@ -688,7 +690,7 @@ xresize(int col, int row)
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XFreePixmap(xw.dpy, xw.buf);
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xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h,
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- DefaultDepth(xw.dpy, xw.scr));
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+ xw.depth);
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XftDrawChange(xw.draw, xw.buf);
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xclear(0, 0, win.w, win.h);
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@@ -748,6 +750,13 @@ xloadcols(void)
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else
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die("could not allocate color %d\n", i);
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}
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+
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+ /* set alpha value of bg color */
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+ if (opt_alpha)
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+ alpha = strtof(opt_alpha, NULL);
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+ dc.col[defaultbg].color.alpha = (unsigned short)(0xffff * alpha);
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+ dc.col[defaultbg].pixel &= 0x00FFFFFF;
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+ dc.col[defaultbg].pixel |= (unsigned char)(0xff * alpha) << 24;
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loaded = 1;
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}
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@@ -1004,11 +1013,23 @@ xinit(int cols, int rows)
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Window parent;
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pid_t thispid = getpid();
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XColor xmousefg, xmousebg;
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+ XWindowAttributes attr;
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+ XVisualInfo vis;
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if (!(xw.dpy = XOpenDisplay(NULL)))
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die("can't open display\n");
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xw.scr = XDefaultScreen(xw.dpy);
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- xw.vis = XDefaultVisual(xw.dpy, xw.scr);
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+
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+ if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0)))) {
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+ parent = XRootWindow(xw.dpy, xw.scr);
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+ xw.depth = 32;
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+ } else {
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+ XGetWindowAttributes(xw.dpy, parent, &attr);
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+ xw.depth = attr.depth;
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+ }
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+
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+ XMatchVisualInfo(xw.dpy, xw.scr, xw.depth, TrueColor, &vis);
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+ xw.vis = vis.visual;
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/* font */
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if (!FcInit())
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@@ -1018,7 +1039,7 @@ xinit(int cols, int rows)
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xloadfonts(usedfont, 0);
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/* colors */
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- xw.cmap = XDefaultColormap(xw.dpy, xw.scr);
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+ xw.cmap = XCreateColormap(xw.dpy, parent, xw.vis, None);
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xloadcols();
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/* adjust fixed window geometry */
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@@ -1038,19 +1059,15 @@ xinit(int cols, int rows)
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| ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
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xw.attrs.colormap = xw.cmap;
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- if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0))))
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- parent = XRootWindow(xw.dpy, xw.scr);
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xw.win = XCreateWindow(xw.dpy, parent, xw.l, xw.t,
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- win.w, win.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
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+ win.w, win.h, 0, xw.depth, InputOutput,
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xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity
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| CWEventMask | CWColormap, &xw.attrs);
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memset(&gcvalues, 0, sizeof(gcvalues));
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gcvalues.graphics_exposures = False;
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- dc.gc = XCreateGC(xw.dpy, parent, GCGraphicsExposures,
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- &gcvalues);
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- xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h,
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- DefaultDepth(xw.dpy, xw.scr));
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+ xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h, xw.depth);
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+ dc.gc = XCreateGC(xw.dpy, xw.buf, GCGraphicsExposures, &gcvalues);
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XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel);
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XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, win.w, win.h);
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@@ -1894,6 +1911,9 @@ main(int argc, char *argv[])
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case 'a':
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allowaltscreen = 0;
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break;
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+ case 'A':
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+ opt_alpha = EARGF(usage());
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+ break;
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case 'c':
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opt_class = EARGF(usage());
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break;
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@ -1,123 +0,0 @@ |
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/* See LICENSE for license details. */ |
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#include <stdint.h> |
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#include <sys/types.h> |
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/* macros */ |
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#define MIN(a, b) ((a) < (b) ? (a) : (b)) |
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#define MAX(a, b) ((a) < (b) ? (b) : (a)) |
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#define LEN(a) (sizeof(a) / sizeof(a)[0]) |
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#define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b)) |
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#define DIVCEIL(n, d) (((n) + ((d) - 1)) / (d)) |
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#define DEFAULT(a, b) (a) = (a) ? (a) : (b) |
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#define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x) |
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#define ATTRCMP(a, b) ((a).mode != (b).mode || (a).fg != (b).fg || \ |
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(a).bg != (b).bg) |
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#define TIMEDIFF(t1, t2) ((t1.tv_sec-t2.tv_sec)*1000 + \ |
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(t1.tv_nsec-t2.tv_nsec)/1E6) |
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#define MODBIT(x, set, bit) ((set) ? ((x) |= (bit)) : ((x) &= ~(bit))) |
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#define TRUECOLOR(r,g,b) (1 << 24 | (r) << 16 | (g) << 8 | (b)) |
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#define IS_TRUECOL(x) (1 << 24 & (x)) |
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enum glyph_attribute { |
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ATTR_NULL = 0, |
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ATTR_BOLD = 1 << 0, |
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ATTR_FAINT = 1 << 1, |
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ATTR_ITALIC = 1 << 2, |
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ATTR_UNDERLINE = 1 << 3, |
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ATTR_BLINK = 1 << 4, |
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ATTR_REVERSE = 1 << 5, |
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ATTR_INVISIBLE = 1 << 6, |
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ATTR_STRUCK = 1 << 7, |
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ATTR_WRAP = 1 << 8, |
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ATTR_WIDE = 1 << 9, |
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ATTR_WDUMMY = 1 << 10, |
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ATTR_BOLD_FAINT = ATTR_BOLD | ATTR_FAINT, |
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}; |
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enum selection_mode { |
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SEL_IDLE = 0, |
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SEL_EMPTY = 1, |
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SEL_READY = 2 |
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}; |
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enum selection_type { |
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SEL_REGULAR = 1, |
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SEL_RECTANGULAR = 2 |
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}; |
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enum selection_snap { |
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SNAP_WORD = 1, |
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SNAP_LINE = 2 |
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}; |
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typedef unsigned char uchar; |
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typedef unsigned int uint; |
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typedef unsigned long ulong; |
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typedef unsigned short ushort; |
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typedef uint_least32_t Rune; |
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#define Glyph Glyph_ |
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typedef struct { |
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Rune u; /* character code */ |
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ushort mode; /* attribute flags */ |
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uint32_t fg; /* foreground */ |
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uint32_t bg; /* background */ |
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} Glyph; |
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typedef Glyph *Line; |
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typedef union { |
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int i; |
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uint ui; |
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float f; |
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const void *v; |
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const char *s; |
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} Arg; |
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void die(const char *, ...); |
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void redraw(void); |
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void draw(void); |
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void printscreen(const Arg *); |
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void printsel(const Arg *); |
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void sendbreak(const Arg *); |
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void toggleprinter(const Arg *); |
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int tattrset(int); |
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void tnew(int, int); |
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void tresize(int, int); |
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void tsetdirtattr(int); |
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void ttyhangup(void); |
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int ttynew(char *, char *, char *, char **); |
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size_t ttyread(void); |
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void ttyresize(int, int); |
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void ttywrite(const char *, size_t, int); |
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void resettitle(void); |
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void selclear(void); |
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void selinit(void); |
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void selstart(int, int, int); |
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void selextend(int, int, int, int); |
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int selected(int, int); |
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char *getsel(void); |
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size_t utf8encode(Rune, char *); |
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void *xmalloc(size_t); |
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void *xrealloc(void *, size_t); |
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char *xstrdup(char *); |
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/* config.h globals */ |
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extern char *utmp; |
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extern char *stty_args; |
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extern char *vtiden; |
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extern wchar_t *worddelimiters; |
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extern int allowaltscreen; |
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extern char *termname; |
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extern unsigned int tabspaces; |
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extern unsigned int defaultfg; |
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extern unsigned int defaultbg; |
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