st-nihal

My personal build of st
git clone git://nihaljere.xyz/st-nihal
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commit 462a966ee2c0f49f432bedaf8e6ebdff995262a9
parent 56c551e4f4b5678ba770106bf8a679c044bcf57e
Author: Christoph Lohmann <20h@r-36.net>
Date:   Wed,  5 Sep 2012 21:48:26 +0200

Implement italic font support.

Diffstat:
MTODO | 1-
Mconfig.def.h | 10++++++----
Mst.c | 30++++++++++++++++++++----------
Mst.info | 10++++++----
4 files changed, 32 insertions(+), 19 deletions(-)

diff --git a/TODO b/TODO @@ -4,7 +4,6 @@ vt emulation * implement BCE right * color definition in CSI * implement CSI parsing -* implement real italic * make the keypad keys really work * kf0 .. kf44 * kend, kel, kent, kfnd, ked, kext diff --git a/config.def.h b/config.def.h @@ -1,6 +1,8 @@ #define FONT "-*-*-medium-r-*-*-*-120-75-75-*-60-*-*" #define BOLDFONT "-*-*-bold-r-*-*-*-120-75-75-*-60-*-*" +/* If italic is not availbel, fall back to bold. */ +#define ITALICFONT "-*-*-medium-o-*-*-*-120-75-75-*-60-*-*," BOLDFONT /* Space in pixels around the terminal buffer */ #define BORDER 2 @@ -29,9 +31,9 @@ static const char *colorname[] = { "magenta", "cyan", "white", - + [255] = 0, - + /* more colors can be added after 255 to use with DefaultXX */ "#cccccc", "#333333", @@ -50,11 +52,11 @@ static const char *colorname[] = { Mask value: * Use XK_ANY_MOD to match the key no matter modifiers state * Use XK_NO_MOD to match the key alone (no modifiers) - + key, mask, output */ static Key key[] = { { XK_BackSpace, XK_NO_MOD, "\177" }, - { XK_Insert, XK_NO_MOD, "\033[2~" }, + { XK_Insert, XK_NO_MOD, "\033[2~" }, { XK_Delete, XK_NO_MOD, "\033[3~" }, { XK_Home, XK_NO_MOD, "\033[1~" }, { XK_End, XK_NO_MOD, "\033[4~" }, diff --git a/st.c b/st.c @@ -76,6 +76,7 @@ enum glyph_attribute { ATTR_UNDERLINE = 2, ATTR_BOLD = 4, ATTR_GFX = 8, + ATTR_ITALIC = 16, }; enum cursor_movement { @@ -238,7 +239,7 @@ typedef struct { short lbearing; short rbearing; XFontSet set; - } font, bfont; + } font, bfont, ifont; } DC; static void die(const char*, ...); @@ -1122,8 +1123,8 @@ tsetattr(int *attr, int l) { case 1: term.c.attr.mode |= ATTR_BOLD; break; - case 3: /* enter standout (highlight) mode TODO: make it italic */ - term.c.attr.mode |= ATTR_REVERSE; + case 3: /* enter standout (highlight) */ + term.c.attr.mode |= ATTR_ITALIC; break; case 4: term.c.attr.mode |= ATTR_UNDERLINE; @@ -1134,8 +1135,8 @@ tsetattr(int *attr, int l) { case 22: term.c.attr.mode &= ~ATTR_BOLD; break; - case 23: /* leave standout (highlight) mode TODO: make it italic */ - term.c.attr.mode &= ~ATTR_REVERSE; + case 23: /* leave standout (highlight) mode */ + term.c.attr.mode &= ~ATTR_ITALIC; break; case 24: term.c.attr.mode &= ~ATTR_UNDERLINE; @@ -1886,14 +1887,20 @@ xgetfontinfo(XFontSet set, int *ascent, int *descent, short *lbearing, short *rb } void -initfonts(char *fontstr, char *bfontstr) { - if((dc.font.set = xinitfont(fontstr)) == NULL || - (dc.bfont.set = xinitfont(bfontstr)) == NULL) - die("Can't load font %s\n", dc.font.set ? BOLDFONT : FONT); +initfonts(char *fontstr, char *bfontstr, char *ifontstr) { + if((dc.font.set = xinitfont(fontstr)) == NULL) + die("Can't load font %s\n", fontstr); + if((dc.bfont.set = xinitfont(bfontstr)) == NULL) + die("Can't load bfont %s\n", bfontstr); + if((dc.ifont.set = xinitfont(ifontstr)) == NULL) + die("Can't load ifont %s\n", ifontstr); + xgetfontinfo(dc.font.set, &dc.font.ascent, &dc.font.descent, &dc.font.lbearing, &dc.font.rbearing); xgetfontinfo(dc.bfont.set, &dc.bfont.ascent, &dc.bfont.descent, &dc.bfont.lbearing, &dc.bfont.rbearing); + xgetfontinfo(dc.ifont.set, &dc.ifont.ascent, &dc.ifont.descent, + &dc.ifont.lbearing, &dc.ifont.rbearing); } void @@ -1927,7 +1934,7 @@ xinit(void) { } /* font */ - initfonts(FONT, BOLDFONT); + initfonts(FONT, BOLDFONT, ITALICFONT); /* XXX: Assuming same size for bold font */ xw.cw = dc.font.rbearing - dc.font.lbearing; @@ -2002,6 +2009,9 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) { fontset = dc.bfont.set; } + if(base.mode & ATTR_ITALIC) + fontset = dc.ifont.set; + XSetBackground(xw.dpy, dc.gc, dc.col[bg]); XSetForeground(xw.dpy, dc.gc, dc.col[fg]); diff --git a/st.info b/st.info @@ -83,15 +83,16 @@ st| simpleterm, op=\E[39;49m, pairs#64, rc=\E8, - rs1=\Ec, - rs2=\E[4l\E>, rev=\E[7m, ri=\EM, + ritm=\E[23m, rmacs=\E(B, rmcup=\E[?1049l, - rmkx=\E>, +# rmkx=\E>, rmso=\E[23m, rmul=\E[m, + rs1=\Ec, + rs2=\E[4l\E>, sc=\E7, setab=\E[4%p1%dm, setaf=\E[3%p1%dm, @@ -99,9 +100,10 @@ st| simpleterm, setf=\E[3%?%p1%{1}%=%t4%e%p1%{3}%=%t6%e%p1%{4}%=%t1%e%p1%{6}%=%t3%e%p1%d%;m, sgr0=\E[0m, sgr=%?%p9%t\E(0%e\E(B%;\E[0%?%p6%t;1%;%?%p2%t;4%;%?%p1%p3%|%t;7%;%?%p4%t;5%;%?%p7%t;8%;m, + sitm=\E[3m, smacs=\E(0, smcup=\E[?1049h, - smkx=\E=, +# smkx=\E=, smso=\E[3m, smul=\E[4m, tbc=\E[3g,