diff --git a/Makefile b/Makefile index c4207b2..6ab7f09 100644 --- a/Makefile +++ b/Makefile @@ -4,7 +4,7 @@ include config.mk -SRC = st.c x.c +SRC = st.c x.c hb.c OBJ = $(SRC:.c=.o) all: options st @@ -22,7 +22,8 @@ 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 +hb.o: st.h $(OBJ): config.h config.mk diff --git a/config.mk b/config.mk index 1d2f0e2..f101251 100644 --- a/config.mk +++ b/config.mk @@ -15,10 +15,12 @@ PKG_CONFIG = pkg-config # includes and libs INCS = -I$(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` \ - `$(PKG_CONFIG) --libs freetype2` + `$(PKG_CONFIG) --libs freetype2` \ + `$(PKG_CONFIG) --libs harfbuzz` # flags STCPPFLAGS = -DVERSION=\"$(VERSION)\" -D_XOPEN_SOURCE=600 diff --git a/hb.c b/hb.c new file mode 100644 index 0000000..fe7ab21 --- /dev/null +++ b/hb.c @@ -0,0 +1,128 @@ +#include +#include +#include +#include +#include +#include + +#include "st.h" + +void hbtransformsegment(XftFont *xfont, const Glyph *string, hb_codepoint_t *codepoints, int start, int length); +hb_font_t *hbfindfont(XftFont *match); + +typedef struct { + XftFont *match; + hb_font_t *font; +} HbFontMatch; + +static int hbfontslen = 0; +static HbFontMatch *hbfontcache = NULL; + +void hbunloadfonts() { + for (int i = 0; i < hbfontslen; i++) + hb_font_destroy(hbfontcache[i].font); + + if (hbfontcache != NULL) { + free(hbfontcache); + hbfontcache = NULL; + } + hbfontslen = 0; +} + +hb_font_t *hbfindfont(XftFont *match) { + for (int i = 0; i < hbfontslen; i++) { + if (hbfontcache[i].match == match) + return hbfontcache[i].font; + } + + // Font not found in cache, caching it now. + hbfontcache = realloc(hbfontcache, sizeof(HbFontMatch) * (hbfontslen + 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."); + XftUnlockFace(match); + + hbfontcache[hbfontslen].match = match; + hbfontcache[hbfontslen].font = font; + hbfontslen += 1; + + return font; +} + +void hbtransform(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x, int y) { + int start = 0, length = 1, gstart = 0; + hb_codepoint_t *codepoints = calloc(len, sizeof(hb_codepoint_t)); + + for (int idx = 1, specidx = 1; idx < len; idx++) { + if (glyphs[idx].mode & ATTR_WDUMMY) { + length += 1; + continue; + } + + if (specs[specidx].font != specs[start].font || ATTRCMP(glyphs[gstart], glyphs[idx]) || selected(x + idx, y) != selected(x + gstart, y)) { + hbtransformsegment(specs[start].font, glyphs, codepoints, gstart, length); + + // Reset the sequence. + length = 1; + start = specidx; + gstart = idx; + } else { + length += 1; + } + + specidx++; + } + + // EOL. + hbtransformsegment(specs[start].font, glyphs, codepoints, gstart, length); + + // Apply the transformation to glyph specs. + for (int i = 0, specidx = 0; i < len; i++) { + if (glyphs[i].mode & ATTR_WDUMMY) + continue; + + if (codepoints[i] != specs[specidx].glyph) + ((Glyph *)glyphs)[i].mode |= ATTR_LIGA; + + specs[specidx++].glyph = codepoints[i]; + } + + free(codepoints); +} + +void hbtransformsegment(XftFont *xfont, const Glyph *string, hb_codepoint_t *codepoints, int start, int length) { + hb_font_t *font = hbfindfont(xfont); + if (font == NULL) + return; + + Rune rune; + ushort mode = USHRT_MAX; + hb_buffer_t *buffer = hb_buffer_create(); + hb_buffer_set_direction(buffer, HB_DIRECTION_LTR); + + // Fill buffer with codepoints. + for (int i = start; i < (start+length); i++) { + rune = string[i].u; + mode = string[i].mode; + if (mode & ATTR_WDUMMY) + rune = 0x0020; + hb_buffer_add_codepoints(buffer, &rune, 1, 0, 1); + } + + // Shape the segment. + hb_shape(font, buffer, NULL, 0); + + // Get new glyph info. + unsigned int len = hb_buffer_get_length(buffer); + hb_glyph_info_t *info = hb_buffer_get_glyph_infos(buffer, NULL); + + // Write new codepoints. + for (int i = 0; i < length; i++) { + hb_codepoint_t gid = info[i].codepoint; + codepoints[start+i] = gid; + } + + // Cleanup. + hb_buffer_destroy(buffer); +} diff --git a/hb.h b/hb.h new file mode 100644 index 0000000..a209238 --- /dev/null +++ b/hb.h @@ -0,0 +1,7 @@ +#include +#include +#include + +void hbunloadfonts(); +void hbtransform(XftGlyphFontSpec *, const Glyph *, int, int, int); + diff --git a/st-alpha-0.8.2.diff b/st-alpha-0.8.2.diff deleted file mode 100644 index dad6615..0000000 --- a/st-alpha-0.8.2.diff +++ /dev/null @@ -1,163 +0,0 @@ -diff --git a/config.def.h b/config.def.h -index 0e01717..e116631 100644 ---- a/config.def.h -+++ b/config.def.h -@@ -82,6 +82,9 @@ char *termname = "st-256color"; - */ - unsigned int tabspaces = 8; - -+/* bg opacity */ -+float alpha = 0.8; -+ - /* Terminal colors (16 first used in escape sequence) */ - static const char *colorname[] = { - /* 8 normal colors */ -@@ -109,6 +112,7 @@ static const char *colorname[] = { - /* more colors can be added after 255 to use with DefaultXX */ - "#cccccc", - "#555555", -+ "black", - }; - - -@@ -117,7 +121,7 @@ static const char *colorname[] = { - * foreground, background, cursor, reverse cursor - */ - unsigned int defaultfg = 7; --unsigned int defaultbg = 0; -+unsigned int defaultbg = 258; - static unsigned int defaultcs = 256; - static unsigned int defaultrcs = 257; - -diff --git a/config.mk b/config.mk -index 0cbb002..1d2f0e2 100644 ---- a/config.mk -+++ b/config.mk -@@ -16,7 +16,7 @@ PKG_CONFIG = pkg-config - INCS = -I$(X11INC) \ - `$(PKG_CONFIG) --cflags fontconfig` \ - `$(PKG_CONFIG) --cflags freetype2` --LIBS = -L$(X11LIB) -lm -lrt -lX11 -lutil -lXft \ -+LIBS = -L$(X11LIB) -lm -lrt -lX11 -lutil -lXft -lXrender\ - `$(PKG_CONFIG) --libs fontconfig` \ - `$(PKG_CONFIG) --libs freetype2` - -diff --git a/st.h b/st.h -index 38c61c4..b7634ab 100644 ---- a/st.h -+++ b/st.h -@@ -120,3 +120,4 @@ extern char *termname; - extern unsigned int tabspaces; - extern unsigned int defaultfg; - extern unsigned int defaultbg; -+extern float alpha; -diff --git a/x.c b/x.c -index 0422421..588dec3 100644 ---- a/x.c -+++ b/x.c -@@ -98,6 +98,7 @@ typedef struct { - XSetWindowAttributes attrs; - int scr; - int isfixed; /* is fixed geometry? */ -+ int depth; /* bit depth */ - int l, t; /* left and top offset */ - int gm; /* geometry mask */ - } XWindow; -@@ -229,6 +230,7 @@ static char *usedfont = NULL; - static double usedfontsize = 0; - static double defaultfontsize = 0; - -+static char *opt_alpha = NULL; - static char *opt_class = NULL; - static char **opt_cmd = NULL; - static char *opt_embed = NULL; -@@ -688,7 +690,7 @@ xresize(int col, int row) - - XFreePixmap(xw.dpy, xw.buf); - xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h, -- DefaultDepth(xw.dpy, xw.scr)); -+ xw.depth); - XftDrawChange(xw.draw, xw.buf); - xclear(0, 0, win.w, win.h); - -@@ -748,6 +750,13 @@ xloadcols(void) - else - die("could not allocate color %d\n", i); - } -+ -+ /* set alpha value of bg color */ -+ if (opt_alpha) -+ alpha = strtof(opt_alpha, NULL); -+ dc.col[defaultbg].color.alpha = (unsigned short)(0xffff * alpha); -+ dc.col[defaultbg].pixel &= 0x00FFFFFF; -+ dc.col[defaultbg].pixel |= (unsigned char)(0xff * alpha) << 24; - loaded = 1; - } - -@@ -1004,11 +1013,23 @@ xinit(int cols, int rows) - Window parent; - pid_t thispid = getpid(); - XColor xmousefg, xmousebg; -+ XWindowAttributes attr; -+ XVisualInfo vis; - - if (!(xw.dpy = XOpenDisplay(NULL))) - die("can't open display\n"); - xw.scr = XDefaultScreen(xw.dpy); -- xw.vis = XDefaultVisual(xw.dpy, xw.scr); -+ -+ if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0)))) { -+ parent = XRootWindow(xw.dpy, xw.scr); -+ xw.depth = 32; -+ } else { -+ XGetWindowAttributes(xw.dpy, parent, &attr); -+ xw.depth = attr.depth; -+ } -+ -+ XMatchVisualInfo(xw.dpy, xw.scr, xw.depth, TrueColor, &vis); -+ xw.vis = vis.visual; - - /* font */ - if (!FcInit()) -@@ -1018,7 +1039,7 @@ xinit(int cols, int rows) - xloadfonts(usedfont, 0); - - /* colors */ -- xw.cmap = XDefaultColormap(xw.dpy, xw.scr); -+ xw.cmap = XCreateColormap(xw.dpy, parent, xw.vis, None); - xloadcols(); - - /* adjust fixed window geometry */ -@@ -1038,19 +1059,15 @@ xinit(int cols, int rows) - | ButtonMotionMask | ButtonPressMask | ButtonReleaseMask; - xw.attrs.colormap = xw.cmap; - -- if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0)))) -- parent = XRootWindow(xw.dpy, xw.scr); - xw.win = XCreateWindow(xw.dpy, parent, xw.l, xw.t, -- win.w, win.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput, -+ win.w, win.h, 0, xw.depth, InputOutput, - xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity - | CWEventMask | CWColormap, &xw.attrs); - - memset(&gcvalues, 0, sizeof(gcvalues)); - gcvalues.graphics_exposures = False; -- dc.gc = XCreateGC(xw.dpy, parent, GCGraphicsExposures, -- &gcvalues); -- xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h, -- DefaultDepth(xw.dpy, xw.scr)); -+ xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h, xw.depth); -+ dc.gc = XCreateGC(xw.dpy, xw.buf, GCGraphicsExposures, &gcvalues); - XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel); - XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, win.w, win.h); - -@@ -1894,6 +1911,9 @@ main(int argc, char *argv[]) - case 'a': - allowaltscreen = 0; - break; -+ case 'A': -+ opt_alpha = EARGF(usage()); -+ break; - case 'c': - opt_class = EARGF(usage()); - break; diff --git a/st.c b/st.c index 4f08d62..447ba5e 100644 --- a/st.c +++ b/st.c @@ -2705,9 +2705,17 @@ draw(void) cx--; drawregion(0, 0, term.col, term.row); - if (term.scr == 0) - xdrawcursor(cx, term.c.y, term.line[term.c.y][cx], - term.ocx, term.ocy, term.line[term.ocy][term.ocx]); + if (term.scr == 0) { + // Draw current line to format ligatures properly. + xdrawline(term.line[term.c.y], 0, term.c.y, term.col); + + xdrawcursor(cx, term.c.y, term.line[term.c.y][cx], + term.ocx, term.ocy, term.line[term.ocy][term.ocx]); + + // If cursor was on a transformed glyph, we need to redraw the previous line + if (term.ocy != term.c.y && (term.line[term.ocy][term.ocx].mode & ATTR_LIGA)) + xdrawline(term.line[term.ocy], 0, term.ocy, term.col); + } term.ocx = cx, term.ocy = term.c.y; xfinishdraw(); xximspot(term.ocx, term.ocy); diff --git a/st.h b/st.h index 6aa16b5..8588778 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) & (~ATTR_LIGA)) != ((b).mode & (~ATTR_WRAP) & (~ATTR_LIGA)) || \ + (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) @@ -33,6 +34,7 @@ enum glyph_attribute { ATTR_WRAP = 1 << 8, ATTR_WIDE = 1 << 9, ATTR_WDUMMY = 1 << 10, + ATTR_LIGA = 1 << 11, ATTR_BOLD_FAINT = ATTR_BOLD | ATTR_FAINT, }; diff --git a/st.h.orig b/st.h.orig deleted file mode 100644 index a1928ca..0000000 --- a/st.h.orig +++ /dev/null @@ -1,123 +0,0 @@ -/* See LICENSE for license details. */ - -#include -#include - -/* macros */ -#define MIN(a, b) ((a) < (b) ? (a) : (b)) -#define MAX(a, b) ((a) < (b) ? (b) : (a)) -#define LEN(a) (sizeof(a) / sizeof(a)[0]) -#define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b)) -#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 || \ - (a).bg != (b).bg) -#define TIMEDIFF(t1, t2) ((t1.tv_sec-t2.tv_sec)*1000 + \ - (t1.tv_nsec-t2.tv_nsec)/1E6) -#define MODBIT(x, set, bit) ((set) ? ((x) |= (bit)) : ((x) &= ~(bit))) - -#define TRUECOLOR(r,g,b) (1 << 24 | (r) << 16 | (g) << 8 | (b)) -#define IS_TRUECOL(x) (1 << 24 & (x)) - -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_BOLD_FAINT = ATTR_BOLD | ATTR_FAINT, -}; - -enum selection_mode { - SEL_IDLE = 0, - SEL_EMPTY = 1, - SEL_READY = 2 -}; - -enum selection_type { - SEL_REGULAR = 1, - SEL_RECTANGULAR = 2 -}; - -enum selection_snap { - SNAP_WORD = 1, - SNAP_LINE = 2 -}; - -typedef unsigned char uchar; -typedef unsigned int uint; -typedef unsigned long ulong; -typedef unsigned short ushort; - -typedef uint_least32_t Rune; - -#define Glyph Glyph_ -typedef struct { - Rune u; /* character code */ - ushort mode; /* attribute flags */ - uint32_t fg; /* foreground */ - uint32_t bg; /* background */ -} Glyph; - -typedef Glyph *Line; - -typedef union { - int i; - uint ui; - float f; - const void *v; - const char *s; -} Arg; - -void die(const char *, ...); -void redraw(void); -void draw(void); - -void printscreen(const Arg *); -void printsel(const Arg *); -void sendbreak(const Arg *); -void toggleprinter(const Arg *); - -int tattrset(int); -void tnew(int, int); -void tresize(int, int); -void tsetdirtattr(int); -void ttyhangup(void); -int ttynew(char *, char *, char *, char **); -size_t ttyread(void); -void ttyresize(int, int); -void ttywrite(const char *, size_t, int); - -void resettitle(void); - -void selclear(void); -void selinit(void); -void selstart(int, int, int); -void selextend(int, int, int, int); -int selected(int, int); -char *getsel(void); - -size_t utf8encode(Rune, char *); - -void *xmalloc(size_t); -void *xrealloc(void *, size_t); -char *xstrdup(char *); - -/* config.h globals */ -extern char *utmp; -extern char *stty_args; -extern char *vtiden; -extern wchar_t *worddelimiters; -extern int allowaltscreen; -extern char *termname; -extern unsigned int tabspaces; -extern unsigned int defaultfg; -extern unsigned int defaultbg; diff --git a/x.c b/x.c index fd5078b..ddf053c 100644 --- a/x.c +++ b/x.c @@ -19,6 +19,7 @@ static char *argv0; #include "arg.h" #include "st.h" #include "win.h" +#include "hb.h" /* types used in config.h */ typedef struct { @@ -1021,6 +1022,9 @@ 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); @@ -1207,7 +1211,7 @@ xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x mode = glyphs[i].mode; /* Skip dummy wide-character spacing. */ - if (mode == ATTR_WDUMMY) + if (mode & ATTR_WDUMMY) continue; /* Determine font for glyph if different from previous glyph. */ @@ -1314,6 +1318,9 @@ xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x numspecs++; } + // Harfbuzz transformation for ligatures. + hbtransform(specs, glyphs, len, x, y); + return numspecs; } diff --git a/x.c.orig b/x.c.orig deleted file mode 100644 index bc3ad5a..0000000 --- a/x.c.orig +++ /dev/null @@ -1,2008 +0,0 @@ -/* See LICENSE for license details. */ -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -static char *argv0; -#include "arg.h" -#include "st.h" -#include "win.h" - -/* types used in config.h */ -typedef struct { - uint mod; - KeySym keysym; - void (*func)(const Arg *); - const Arg arg; -} Shortcut; - -typedef struct { - uint mod; - uint button; - void (*func)(const Arg *); - const Arg arg; - uint release; -} MouseShortcut; - -typedef struct { - KeySym k; - uint mask; - char *s; - /* three-valued logic variables: 0 indifferent, 1 on, -1 off */ - signed char appkey; /* application keypad */ - signed char appcursor; /* application cursor */ -} Key; - -/* X modifiers */ -#define XK_ANY_MOD UINT_MAX -#define XK_NO_MOD 0 -#define XK_SWITCH_MOD (1<<13) - -/* function definitions used in config.h */ -static void clipcopy(const Arg *); -static void clippaste(const Arg *); -static void numlock(const Arg *); -static void selpaste(const Arg *); -static void zoom(const Arg *); -static void zoomabs(const Arg *); -static void zoomreset(const Arg *); -static void ttysend(const Arg *); - -/* config.h for applying patches and the configuration. */ -#include "config.h" - -/* XEMBED messages */ -#define XEMBED_FOCUS_IN 4 -#define XEMBED_FOCUS_OUT 5 - -/* macros */ -#define IS_SET(flag) ((win.mode & (flag)) != 0) -#define TRUERED(x) (((x) & 0xff0000) >> 8) -#define TRUEGREEN(x) (((x) & 0xff00)) -#define TRUEBLUE(x) (((x) & 0xff) << 8) - -typedef XftDraw *Draw; -typedef XftColor Color; -typedef XftGlyphFontSpec GlyphFontSpec; - -/* Purely graphic info */ -typedef struct { - int tw, th; /* tty width and height */ - int w, h; /* window width and height */ - int ch; /* char height */ - int cw; /* char width */ - int mode; /* window state/mode flags */ - int cursor; /* cursor style */ -} TermWindow; - -typedef struct { - Display *dpy; - Colormap cmap; - Window win; - Drawable buf; - GlyphFontSpec *specbuf; /* font spec buffer used for rendering */ - Atom xembed, wmdeletewin, netwmname, netwmpid; - XIM xim; - XIC xic; - Draw draw; - Visual *vis; - XSetWindowAttributes attrs; - int scr; - int isfixed; /* is fixed geometry? */ - int l, t; /* left and top offset */ - int gm; /* geometry mask */ -} XWindow; - -typedef struct { - Atom xtarget; - char *primary, *clipboard; - struct timespec tclick1; - struct timespec tclick2; -} XSelection; - -/* Font structure */ -#define Font Font_ -typedef struct { - int height; - int width; - int ascent; - int descent; - int badslant; - int badweight; - short lbearing; - short rbearing; - XftFont *match; - FcFontSet *set; - FcPattern *pattern; -} Font; - -/* Drawing Context */ -typedef struct { - Color *col; - size_t collen; - Font font, bfont, ifont, ibfont; - GC gc; -} DC; - -static inline ushort sixd_to_16bit(int); -static int xmakeglyphfontspecs(XftGlyphFontSpec *, const Glyph *, int, int, int); -static void xdrawglyphfontspecs(const XftGlyphFontSpec *, Glyph, int, int, int); -static void xdrawglyph(Glyph, int, int); -static void xclear(int, int, int, int); -static int xgeommasktogravity(int); -static void ximopen(Display *); -static void ximinstantiate(Display *, XPointer, XPointer); -static void ximdestroy(XIM, XPointer, XPointer); -static void xinit(int, int); -static void cresize(int, int); -static void xresize(int, int); -static void xhints(void); -static int xloadcolor(int, const char *, Color *); -static int xloadfont(Font *, FcPattern *); -static void xloadfonts(char *, double); -static void xunloadfont(Font *); -static void xunloadfonts(void); -static void xsetenv(void); -static void xseturgency(int); -static int evcol(XEvent *); -static int evrow(XEvent *); - -static void expose(XEvent *); -static void visibility(XEvent *); -static void unmap(XEvent *); -static void kpress(XEvent *); -static void cmessage(XEvent *); -static void resize(XEvent *); -static void focus(XEvent *); -static int mouseaction(XEvent *, uint); -static void brelease(XEvent *); -static void bpress(XEvent *); -static void bmotion(XEvent *); -static void propnotify(XEvent *); -static void selnotify(XEvent *); -static void selclear_(XEvent *); -static void selrequest(XEvent *); -static void setsel(char *, Time); -static void mousesel(XEvent *, int); -static void mousereport(XEvent *); -static char *kmap(KeySym, uint); -static int match(uint, uint); - -static void run(void); -static void usage(void); - -static void (*handler[LASTEvent])(XEvent *) = { - [KeyPress] = kpress, - [ClientMessage] = cmessage, - [ConfigureNotify] = resize, - [VisibilityNotify] = visibility, - [UnmapNotify] = unmap, - [Expose] = expose, - [FocusIn] = focus, - [FocusOut] = focus, - [MotionNotify] = bmotion, - [ButtonPress] = bpress, - [ButtonRelease] = brelease, -/* - * Uncomment if you want the selection to disappear when you select something - * different in another window. - */ -/* [SelectionClear] = selclear_, */ - [SelectionNotify] = selnotify, -/* - * PropertyNotify is only turned on when there is some INCR transfer happening - * for the selection retrieval. - */ - [PropertyNotify] = propnotify, - [SelectionRequest] = selrequest, -}; - -/* Globals */ -static DC dc; -static XWindow xw; -static XSelection xsel; -static TermWindow win; - -/* Font Ring Cache */ -enum { - FRC_NORMAL, - FRC_ITALIC, - FRC_BOLD, - FRC_ITALICBOLD -}; - -typedef struct { - XftFont *font; - int flags; - Rune unicodep; -} Fontcache; - -/* Fontcache is an array now. A new font will be appended to the array. */ -static Fontcache *frc = NULL; -static int frclen = 0; -static int frccap = 0; -static char *usedfont = NULL; -static double usedfontsize = 0; -static double defaultfontsize = 0; - -static char *opt_class = NULL; -static char **opt_cmd = NULL; -static char *opt_embed = NULL; -static char *opt_font = NULL; -static char *opt_io = NULL; -static char *opt_line = NULL; -static char *opt_name = NULL; -static char *opt_title = NULL; - -static int oldbutton = 3; /* button event on startup: 3 = release */ - -void -clipcopy(const Arg *dummy) -{ - Atom clipboard; - - free(xsel.clipboard); - xsel.clipboard = NULL; - - if (xsel.primary != NULL) { - xsel.clipboard = xstrdup(xsel.primary); - clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0); - XSetSelectionOwner(xw.dpy, clipboard, xw.win, CurrentTime); - } -} - -void -clippaste(const Arg *dummy) -{ - Atom clipboard; - - clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0); - XConvertSelection(xw.dpy, clipboard, xsel.xtarget, clipboard, - xw.win, CurrentTime); -} - -void -selpaste(const Arg *dummy) -{ - XConvertSelection(xw.dpy, XA_PRIMARY, xsel.xtarget, XA_PRIMARY, - xw.win, CurrentTime); -} - -void -numlock(const Arg *dummy) -{ - win.mode ^= MODE_NUMLOCK; -} - -void -zoom(const Arg *arg) -{ - Arg larg; - - larg.f = usedfontsize + arg->f; - zoomabs(&larg); -} - -void -zoomabs(const Arg *arg) -{ - xunloadfonts(); - xloadfonts(usedfont, arg->f); - cresize(0, 0); - redraw(); - xhints(); -} - -void -zoomreset(const Arg *arg) -{ - Arg larg; - - if (defaultfontsize > 0) { - larg.f = defaultfontsize; - zoomabs(&larg); - } -} - -void -ttysend(const Arg *arg) -{ - ttywrite(arg->s, strlen(arg->s), 1); -} - -int -evcol(XEvent *e) -{ - int x = e->xbutton.x - borderpx; - LIMIT(x, 0, win.tw - 1); - return x / win.cw; -} - -int -evrow(XEvent *e) -{ - int y = e->xbutton.y - borderpx; - LIMIT(y, 0, win.th - 1); - return y / win.ch; -} - -void -mousesel(XEvent *e, int done) -{ - int type, seltype = SEL_REGULAR; - uint state = e->xbutton.state & ~(Button1Mask | forcemousemod); - - for (type = 1; type < LEN(selmasks); ++type) { - if (match(selmasks[type], state)) { - seltype = type; - break; - } - } - selextend(evcol(e), evrow(e), seltype, done); - if (done) - setsel(getsel(), e->xbutton.time); -} - -void -mousereport(XEvent *e) -{ - int len, x = evcol(e), y = evrow(e), - button = e->xbutton.button, state = e->xbutton.state; - char buf[40]; - static int ox, oy; - - /* from urxvt */ - if (e->xbutton.type == MotionNotify) { - if (x == ox && y == oy) - return; - if (!IS_SET(MODE_MOUSEMOTION) && !IS_SET(MODE_MOUSEMANY)) - return; - /* MOUSE_MOTION: no reporting if no button is pressed */ - if (IS_SET(MODE_MOUSEMOTION) && oldbutton == 3) - return; - - button = oldbutton + 32; - ox = x; - oy = y; - } else { - if (!IS_SET(MODE_MOUSESGR) && e->xbutton.type == ButtonRelease) { - button = 3; - } else { - button -= Button1; - if (button >= 3) - button += 64 - 3; - } - if (e->xbutton.type == ButtonPress) { - oldbutton = button; - ox = x; - oy = y; - } else if (e->xbutton.type == ButtonRelease) { - oldbutton = 3; - /* MODE_MOUSEX10: no button release reporting */ - if (IS_SET(MODE_MOUSEX10)) - return; - if (button == 64 || button == 65) - return; - } - } - - if (!IS_SET(MODE_MOUSEX10)) { - button += ((state & ShiftMask ) ? 4 : 0) - + ((state & Mod4Mask ) ? 8 : 0) - + ((state & ControlMask) ? 16 : 0); - } - - if (IS_SET(MODE_MOUSESGR)) { - len = snprintf(buf, sizeof(buf), "\033[<%d;%d;%d%c", - button, x+1, y+1, - e->xbutton.type == ButtonRelease ? 'm' : 'M'); - } else if (x < 223 && y < 223) { - len = snprintf(buf, sizeof(buf), "\033[M%c%c%c", - 32+button, 32+x+1, 32+y+1); - } else { - return; - } - - ttywrite(buf, len, 0); -} - -int -mouseaction(XEvent *e, uint release) -{ - MouseShortcut *ms; - - for (ms = mshortcuts; ms < mshortcuts + LEN(mshortcuts); ms++) { - if (ms->release == release && - ms->button == e->xbutton.button && - (match(ms->mod, e->xbutton.state) || /* exact or forced */ - match(ms->mod, e->xbutton.state & ~forcemousemod))) { - ms->func(&(ms->arg)); - return 1; - } - } - - return 0; -} - -void -bpress(XEvent *e) -{ - struct timespec now; - int snap; - - if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forcemousemod)) { - mousereport(e); - return; - } - - if (mouseaction(e, 0)) - return; - - if (e->xbutton.button == Button1) { - /* - * If the user clicks below predefined timeouts specific - * snapping behaviour is exposed. - */ - clock_gettime(CLOCK_MONOTONIC, &now); - if (TIMEDIFF(now, xsel.tclick2) <= tripleclicktimeout) { - snap = SNAP_LINE; - } else if (TIMEDIFF(now, xsel.tclick1) <= doubleclicktimeout) { - snap = SNAP_WORD; - } else { - snap = 0; - } - xsel.tclick2 = xsel.tclick1; - xsel.tclick1 = now; - - selstart(evcol(e), evrow(e), snap); - } -} - -void -propnotify(XEvent *e) -{ - XPropertyEvent *xpev; - Atom clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0); - - xpev = &e->xproperty; - if (xpev->state == PropertyNewValue && - (xpev->atom == XA_PRIMARY || - xpev->atom == clipboard)) { - selnotify(e); - } -} - -void -selnotify(XEvent *e) -{ - ulong nitems, ofs, rem; - int format; - uchar *data, *last, *repl; - Atom type, incratom, property = None; - - incratom = XInternAtom(xw.dpy, "INCR", 0); - - ofs = 0; - if (e->type == SelectionNotify) - property = e->xselection.property; - else if (e->type == PropertyNotify) - property = e->xproperty.atom; - - if (property == None) - return; - - do { - if (XGetWindowProperty(xw.dpy, xw.win, property, ofs, - BUFSIZ/4, False, AnyPropertyType, - &type, &format, &nitems, &rem, - &data)) { - fprintf(stderr, "Clipboard allocation failed\n"); - return; - } - - if (e->type == PropertyNotify && nitems == 0 && rem == 0) { - /* - * If there is some PropertyNotify with no data, then - * this is the signal of the selection owner that all - * data has been transferred. We won't need to receive - * PropertyNotify events anymore. - */ - MODBIT(xw.attrs.event_mask, 0, PropertyChangeMask); - XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, - &xw.attrs); - } - - if (type == incratom) { - /* - * Activate the PropertyNotify events so we receive - * when the selection owner does send us the next - * chunk of data. - */ - MODBIT(xw.attrs.event_mask, 1, PropertyChangeMask); - XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, - &xw.attrs); - - /* - * Deleting the property is the transfer start signal. - */ - XDeleteProperty(xw.dpy, xw.win, (int)property); - continue; - } - - /* - * As seen in getsel: - * Line endings are inconsistent in the terminal and GUI world - * copy and pasting. When receiving some selection data, - * replace all '\n' with '\r'. - * FIXME: Fix the computer world. - */ - repl = data; - last = data + nitems * format / 8; - while ((repl = memchr(repl, '\n', last - repl))) { - *repl++ = '\r'; - } - - if (IS_SET(MODE_BRCKTPASTE) && ofs == 0) - ttywrite("\033[200~", 6, 0); - ttywrite((char *)data, nitems * format / 8, 1); - if (IS_SET(MODE_BRCKTPASTE) && rem == 0) - ttywrite("\033[201~", 6, 0); - XFree(data); - /* number of 32-bit chunks returned */ - ofs += nitems * format / 32; - } while (rem > 0); - - /* - * Deleting the property again tells the selection owner to send the - * next data chunk in the property. - */ - XDeleteProperty(xw.dpy, xw.win, (int)property); -} - -void -xclipcopy(void) -{ - clipcopy(NULL); -} - -void -selclear_(XEvent *e) -{ - selclear(); -} - -void -selrequest(XEvent *e) -{ - XSelectionRequestEvent *xsre; - XSelectionEvent xev; - Atom xa_targets, string, clipboard; - char *seltext; - - xsre = (XSelectionRequestEvent *) e; - xev.type = SelectionNotify; - xev.requestor = xsre->requestor; - xev.selection = xsre->selection; - xev.target = xsre->target; - xev.time = xsre->time; - if (xsre->property == None) - xsre->property = xsre->target; - - /* reject */ - xev.property = None; - - xa_targets = XInternAtom(xw.dpy, "TARGETS", 0); - if (xsre->target == xa_targets) { - /* respond with the supported type */ - string = xsel.xtarget; - XChangeProperty(xsre->display, xsre->requestor, xsre->property, - XA_ATOM, 32, PropModeReplace, - (uchar *) &string, 1); - xev.property = xsre->property; - } else if (xsre->target == xsel.xtarget || xsre->target == XA_STRING) { - /* - * xith XA_STRING non ascii characters may be incorrect in the - * requestor. It is not our problem, use utf8. - */ - clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0); - if (xsre->selection == XA_PRIMARY) { - seltext = xsel.primary; - } else if (xsre->selection == clipboard) { - seltext = xsel.clipboard; - } else { - fprintf(stderr, - "Unhandled clipboard selection 0x%lx\n", - xsre->selection); - return; - } - if (seltext != NULL) { - XChangeProperty(xsre->display, xsre->requestor, - xsre->property, xsre->target, - 8, PropModeReplace, - (uchar *)seltext, strlen(seltext)); - xev.property = xsre->property; - } - } - - /* all done, send a notification to the listener */ - if (!XSendEvent(xsre->display, xsre->requestor, 1, 0, (XEvent *) &xev)) - fprintf(stderr, "Error sending SelectionNotify event\n"); -} - -void -setsel(char *str, Time t) -{ - if (!str) - return; - - free(xsel.primary); - xsel.primary = str; - - XSetSelectionOwner(xw.dpy, XA_PRIMARY, xw.win, t); - if (XGetSelectionOwner(xw.dpy, XA_PRIMARY) != xw.win) - selclear(); -} - -void -xsetsel(char *str) -{ - setsel(str, CurrentTime); -} - -void -brelease(XEvent *e) -{ - if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forcemousemod)) { - mousereport(e); - return; - } - - if (mouseaction(e, 1)) - return; - if (e->xbutton.button == Button1) - mousesel(e, 1); -} - -void -bmotion(XEvent *e) -{ - if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forcemousemod)) { - mousereport(e); - return; - } - - mousesel(e, 0); -} - -void -cresize(int width, int height) -{ - int col, row; - - if (width != 0) - win.w = width; - if (height != 0) - win.h = height; - - col = (win.w - 2 * borderpx) / win.cw; - row = (win.h - 2 * borderpx) / win.ch; - col = MAX(1, col); - row = MAX(1, row); - - tresize(col, row); - xresize(col, row); - ttyresize(win.tw, win.th); -} - -void -xresize(int col, int row) -{ - win.tw = col * win.cw; - win.th = row * win.ch; - - XFreePixmap(xw.dpy, xw.buf); - xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h, - DefaultDepth(xw.dpy, xw.scr)); - XftDrawChange(xw.draw, xw.buf); - xclear(0, 0, win.w, win.h); - - /* resize to new width */ - xw.specbuf = xrealloc(xw.specbuf, col * sizeof(GlyphFontSpec)); -} - -ushort -sixd_to_16bit(int x) -{ - return x == 0 ? 0 : 0x3737 + 0x2828 * x; -} - -int -xloadcolor(int i, const char *name, Color *ncolor) -{ - XRenderColor color = { .alpha = 0xffff }; - - if (!name) { - if (BETWEEN(i, 16, 255)) { /* 256 color */ - if (i < 6*6*6+16) { /* same colors as xterm */ - color.red = sixd_to_16bit( ((i-16)/36)%6 ); - color.green = sixd_to_16bit( ((i-16)/6) %6 ); - color.blue = sixd_to_16bit( ((i-16)/1) %6 ); - } else { /* greyscale */ - color.red = 0x0808 + 0x0a0a * (i - (6*6*6+16)); - color.green = color.blue = color.red; - } - return XftColorAllocValue(xw.dpy, xw.vis, - xw.cmap, &color, ncolor); - } else - name = colorname[i]; - } - - return XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, ncolor); -} - -void -xloadcols(void) -{ - int i; - static int loaded; - Color *cp; - - if (loaded) { - for (cp = dc.col; cp < &dc.col[dc.collen]; ++cp) - XftColorFree(xw.dpy, xw.vis, xw.cmap, cp); - } else { - dc.collen = MAX(LEN(colorname), 256); - dc.col = xmalloc(dc.collen * sizeof(Color)); - } - - for (i = 0; i < dc.collen; i++) - if (!xloadcolor(i, NULL, &dc.col[i])) { - if (colorname[i]) - die("could not allocate color '%s'\n", colorname[i]); - else - die("could not allocate color %d\n", i); - } - loaded = 1; -} - -int -xsetcolorname(int x, const char *name) -{ - Color ncolor; - - if (!BETWEEN(x, 0, dc.collen)) - return 1; - - if (!xloadcolor(x, name, &ncolor)) - return 1; - - XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]); - dc.col[x] = ncolor; - - return 0; -} - -/* - * Absolute coordinates. - */ -void -xclear(int x1, int y1, int x2, int y2) -{ - XftDrawRect(xw.draw, - &dc.col[IS_SET(MODE_REVERSE)? defaultfg : defaultbg], - x1, y1, x2-x1, y2-y1); -} - -void -xhints(void) -{ - XClassHint class = {opt_name ? opt_name : termname, - opt_class ? opt_class : termname}; - XWMHints wm = {.flags = InputHint, .input = 1}; - XSizeHints *sizeh; - - sizeh = XAllocSizeHints(); - - sizeh->flags = PSize | PResizeInc | PBaseSize | PMinSize; - sizeh->height = win.h; - sizeh->width = win.w; - sizeh->height_inc = win.ch; - sizeh->width_inc = win.cw; - sizeh->base_height = 2 * borderpx; - sizeh->base_width = 2 * borderpx; - sizeh->min_height = win.ch + 2 * borderpx; - sizeh->min_width = win.cw + 2 * borderpx; - if (xw.isfixed) { - sizeh->flags |= PMaxSize; - sizeh->min_width = sizeh->max_width = win.w; - sizeh->min_height = sizeh->max_height = win.h; - } - if (xw.gm & (XValue|YValue)) { - sizeh->flags |= USPosition | PWinGravity; - sizeh->x = xw.l; - sizeh->y = xw.t; - sizeh->win_gravity = xgeommasktogravity(xw.gm); - } - - XSetWMProperties(xw.dpy, xw.win, NULL, NULL, NULL, 0, sizeh, &wm, - &class); - XFree(sizeh); -} - -int -xgeommasktogravity(int mask) -{ - switch (mask & (XNegative|YNegative)) { - case 0: - return NorthWestGravity; - case XNegative: - return NorthEastGravity; - case YNegative: - return SouthWestGravity; - } - - return SouthEastGravity; -} - -int -xloadfont(Font *f, FcPattern *pattern) -{ - FcPattern *configured; - FcPattern *match; - FcResult result; - XGlyphInfo extents; - int wantattr, haveattr; - - /* - * Manually configure instead of calling XftMatchFont - * so that we can use the configured pattern for - * "missing glyph" lookups. - */ - configured = FcPatternDuplicate(pattern); - if (!configured) - return 1; - - FcConfigSubstitute(NULL, configured, FcMatchPattern); - XftDefaultSubstitute(xw.dpy, xw.scr, configured); - - match = FcFontMatch(NULL, configured, &result); - if (!match) { - FcPatternDestroy(configured); - return 1; - } - - if (!(f->match = XftFontOpenPattern(xw.dpy, match))) { - FcPatternDestroy(configured); - FcPatternDestroy(match); - return 1; - } - - if ((XftPatternGetInteger(pattern, "slant", 0, &wantattr) == - XftResultMatch)) { - /* - * Check if xft was unable to find a font with the appropriate - * slant but gave us one anyway. Try to mitigate. - */ - if ((XftPatternGetInteger(f->match->pattern, "slant", 0, - &haveattr) != XftResultMatch) || haveattr < wantattr) { - f->badslant = 1; - fputs("font slant does not match\n", stderr); - } - } - - if ((XftPatternGetInteger(pattern, "weight", 0, &wantattr) == - XftResultMatch)) { - if ((XftPatternGetInteger(f->match->pattern, "weight", 0, - &haveattr) != XftResultMatch) || haveattr != wantattr) { - f->badweight = 1; - fputs("font weight does not match\n", stderr); - } - } - - XftTextExtentsUtf8(xw.dpy, f->match, - (const FcChar8 *) ascii_printable, - strlen(ascii_printable), &extents); - - f->set = NULL; - f->pattern = configured; - - f->ascent = f->match->ascent; - f->descent = f->match->descent; - f->lbearing = 0; - f->rbearing = f->match->max_advance_width; - - f->height = f->ascent + f->descent; - f->width = DIVCEIL(extents.xOff, strlen(ascii_printable)); - - return 0; -} - -void -xloadfonts(char *fontstr, double fontsize) -{ - FcPattern *pattern; - double fontval; - - if (fontstr[0] == '-') - pattern = XftXlfdParse(fontstr, False, False); - else - pattern = FcNameParse((FcChar8 *)fontstr); - - if (!pattern) - die("can't open font %s\n", fontstr); - - if (fontsize > 1) { - FcPatternDel(pattern, FC_PIXEL_SIZE); - FcPatternDel(pattern, FC_SIZE); - FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)fontsize); - usedfontsize = fontsize; - } else { - if (FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval) == - FcResultMatch) { - usedfontsize = fontval; - } else if (FcPatternGetDouble(pattern, FC_SIZE, 0, &fontval) == - FcResultMatch) { - usedfontsize = -1; - } else { - /* - * Default font size is 12, if none given. This is to - * have a known usedfontsize value. - */ - FcPatternAddDouble(pattern, FC_PIXEL_SIZE, 12); - usedfontsize = 12; - } - defaultfontsize = usedfontsize; - } - - if (xloadfont(&dc.font, pattern)) - die("can't open font %s\n", fontstr); - - if (usedfontsize < 0) { - FcPatternGetDouble(dc.font.match->pattern, - FC_PIXEL_SIZE, 0, &fontval); - usedfontsize = fontval; - if (fontsize == 0) - defaultfontsize = fontval; - } - - /* Setting character width and height. */ - win.cw = ceilf(dc.font.width * cwscale); - win.ch = ceilf(dc.font.height * chscale); - - FcPatternDel(pattern, FC_SLANT); - FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC); - if (xloadfont(&dc.ifont, pattern)) - die("can't open font %s\n", fontstr); - - FcPatternDel(pattern, FC_WEIGHT); - FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD); - if (xloadfont(&dc.ibfont, pattern)) - die("can't open font %s\n", fontstr); - - FcPatternDel(pattern, FC_SLANT); - FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN); - if (xloadfont(&dc.bfont, pattern)) - die("can't open font %s\n", fontstr); - - FcPatternDestroy(pattern); -} - -void -xunloadfont(Font *f) -{ - XftFontClose(xw.dpy, f->match); - FcPatternDestroy(f->pattern); - if (f->set) - FcFontSetDestroy(f->set); -} - -void -xunloadfonts(void) -{ - /* Free the loaded fonts in the font cache. */ - while (frclen > 0) - XftFontClose(xw.dpy, frc[--frclen].font); - - xunloadfont(&dc.font); - xunloadfont(&dc.bfont); - xunloadfont(&dc.ifont); - xunloadfont(&dc.ibfont); -} - -void -ximopen(Display *dpy) -{ - XIMCallback destroy = { .client_data = NULL, .callback = ximdestroy }; - - if ((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) { - XSetLocaleModifiers("@im=local"); - if ((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) { - XSetLocaleModifiers("@im="); - if ((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) - die("XOpenIM failed. Could not open input device.\n"); - } - } - if (XSetIMValues(xw.xim, XNDestroyCallback, &destroy, NULL) != NULL) - die("XSetIMValues failed. Could not set input method value.\n"); - xw.xic = XCreateIC(xw.xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing, - XNClientWindow, xw.win, XNFocusWindow, xw.win, NULL); - if (xw.xic == NULL) - die("XCreateIC failed. Could not obtain input method.\n"); -} - -void -ximinstantiate(Display *dpy, XPointer client, XPointer call) -{ - ximopen(dpy); - XUnregisterIMInstantiateCallback(xw.dpy, NULL, NULL, NULL, - ximinstantiate, NULL); -} - -void -ximdestroy(XIM xim, XPointer client, XPointer call) -{ - xw.xim = NULL; - XRegisterIMInstantiateCallback(xw.dpy, NULL, NULL, NULL, - ximinstantiate, NULL); -} - -void -xinit(int cols, int rows) -{ - XGCValues gcvalues; - Cursor cursor; - Window parent; - pid_t thispid = getpid(); - XColor xmousefg, xmousebg; - - if (!(xw.dpy = XOpenDisplay(NULL))) - die("can't open display\n"); - xw.scr = XDefaultScreen(xw.dpy); - xw.vis = XDefaultVisual(xw.dpy, xw.scr); - - /* font */ - if (!FcInit()) - die("could not init fontconfig.\n"); - - usedfont = (opt_font == NULL)? font : opt_font; - xloadfonts(usedfont, 0); - - /* colors */ - xw.cmap = XDefaultColormap(xw.dpy, xw.scr); - xloadcols(); - - /* adjust fixed window geometry */ - win.w = 2 * borderpx + cols * win.cw; - win.h = 2 * borderpx + rows * win.ch; - if (xw.gm & XNegative) - xw.l += DisplayWidth(xw.dpy, xw.scr) - win.w - 2; - if (xw.gm & YNegative) - xw.t += DisplayHeight(xw.dpy, xw.scr) - win.h - 2; - - /* Events */ - xw.attrs.background_pixel = dc.col[defaultbg].pixel; - xw.attrs.border_pixel = dc.col[defaultbg].pixel; - xw.attrs.bit_gravity = NorthWestGravity; - xw.attrs.event_mask = FocusChangeMask | KeyPressMask | KeyReleaseMask - | ExposureMask | VisibilityChangeMask | StructureNotifyMask - | ButtonMotionMask | ButtonPressMask | ButtonReleaseMask; - xw.attrs.colormap = xw.cmap; - - if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0)))) - parent = XRootWindow(xw.dpy, xw.scr); - xw.win = XCreateWindow(xw.dpy, parent, xw.l, xw.t, - win.w, win.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput, - xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity - | CWEventMask | CWColormap, &xw.attrs); - - memset(&gcvalues, 0, sizeof(gcvalues)); - gcvalues.graphics_exposures = False; - dc.gc = XCreateGC(xw.dpy, parent, GCGraphicsExposures, - &gcvalues); - xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h, - DefaultDepth(xw.dpy, xw.scr)); - XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel); - XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, win.w, win.h); - - /* font spec buffer */ - xw.specbuf = xmalloc(cols * sizeof(GlyphFontSpec)); - - /* Xft rendering context */ - xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap); - - /* input methods */ - ximopen(xw.dpy); - - /* white cursor, black outline */ - cursor = XCreateFontCursor(xw.dpy, mouseshape); - XDefineCursor(xw.dpy, xw.win, cursor); - - if (XParseColor(xw.dpy, xw.cmap, colorname[mousefg], &xmousefg) == 0) { - xmousefg.red = 0xffff; - xmousefg.green = 0xffff; - xmousefg.blue = 0xffff; - } - - if (XParseColor(xw.dpy, xw.cmap, colorname[mousebg], &xmousebg) == 0) { - xmousebg.red = 0x0000; - xmousebg.green = 0x0000; - xmousebg.blue = 0x0000; - } - - XRecolorCursor(xw.dpy, cursor, &xmousefg, &xmousebg); - - xw.xembed = XInternAtom(xw.dpy, "_XEMBED", False); - xw.wmdeletewin = XInternAtom(xw.dpy, "WM_DELETE_WINDOW", False); - xw.netwmname = XInternAtom(xw.dpy, "_NET_WM_NAME", False); - XSetWMProtocols(xw.dpy, xw.win, &xw.wmdeletewin, 1); - - xw.netwmpid = XInternAtom(xw.dpy, "_NET_WM_PID", False); - XChangeProperty(xw.dpy, xw.win, xw.netwmpid, XA_CARDINAL, 32, - PropModeReplace, (uchar *)&thispid, 1); - - win.mode = MODE_NUMLOCK; - resettitle(); - xhints(); - XMapWindow(xw.dpy, xw.win); - XSync(xw.dpy, False); - - clock_gettime(CLOCK_MONOTONIC, &xsel.tclick1); - clock_gettime(CLOCK_MONOTONIC, &xsel.tclick2); - xsel.primary = NULL; - xsel.clipboard = NULL; - xsel.xtarget = XInternAtom(xw.dpy, "UTF8_STRING", 0); - if (xsel.xtarget == None) - xsel.xtarget = XA_STRING; -} - -int -xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x, int y) -{ - float winx = borderpx + x * win.cw, winy = borderpx + y * win.ch, xp, yp; - ushort mode, prevmode = USHRT_MAX; - Font *font = &dc.font; - int frcflags = FRC_NORMAL; - float runewidth = win.cw; - Rune rune; - FT_UInt glyphidx; - FcResult fcres; - FcPattern *fcpattern, *fontpattern; - FcFontSet *fcsets[] = { NULL }; - FcCharSet *fccharset; - int i, f, numspecs = 0; - - 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) - 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)); - } - - 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; - xp += runewidth; - numspecs++; - } - - return numspecs; -} - -void -xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, int y) -{ - int charlen = len * ((base.mode & ATTR_WIDE) ? 2 : 1); - int winx = borderpx + x * win.cw, winy = borderpx + y * win.ch, - width = charlen * win.cw; - Color *fg, *bg, *temp, revfg, revbg, truefg, truebg; - XRenderColor colfg, colbg; - XRectangle r; - - /* Fallback on color display for attributes not supported by the font */ - if (base.mode & ATTR_ITALIC && base.mode & ATTR_BOLD) { - if (dc.ibfont.badslant || dc.ibfont.badweight) - base.fg = defaultattr; - } else if ((base.mode & ATTR_ITALIC && dc.ifont.badslant) || - (base.mode & ATTR_BOLD && dc.bfont.badweight)) { - base.fg = defaultattr; - } - - if (IS_TRUECOL(base.fg)) { - colfg.alpha = 0xffff; - colfg.red = TRUERED(base.fg); - colfg.green = TRUEGREEN(base.fg); - colfg.blue = TRUEBLUE(base.fg); - XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &truefg); - fg = &truefg; - } else { - fg = &dc.col[base.fg]; - } - - if (IS_TRUECOL(base.bg)) { - colbg.alpha = 0xffff; - colbg.green = TRUEGREEN(base.bg); - colbg.red = TRUERED(base.bg); - colbg.blue = TRUEBLUE(base.bg); - XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, &truebg); - bg = &truebg; - } else { - bg = &dc.col[base.bg]; - } - - /* Change basic system colors [0-7] to bright system colors [8-15] */ - if ((base.mode & ATTR_BOLD_FAINT) == ATTR_BOLD && BETWEEN(base.fg, 0, 7)) - fg = &dc.col[base.fg + 8]; - - if (IS_SET(MODE_REVERSE)) { - if (fg == &dc.col[defaultfg]) { - fg = &dc.col[defaultbg]; - } else { - colfg.red = ~fg->color.red; - colfg.green = ~fg->color.green; - colfg.blue = ~fg->color.blue; - colfg.alpha = fg->color.alpha; - XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, - &revfg); - fg = &revfg; - } - - if (bg == &dc.col[defaultbg]) { - bg = &dc.col[defaultfg]; - } else { - colbg.red = ~bg->color.red; - colbg.green = ~bg->color.green; - colbg.blue = ~bg->color.blue; - colbg.alpha = bg->color.alpha; - XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, - &revbg); - bg = &revbg; - } - } - - if ((base.mode & ATTR_BOLD_FAINT) == ATTR_FAINT) { - colfg.red = fg->color.red / 2; - colfg.green = fg->color.green / 2; - colfg.blue = fg->color.blue / 2; - colfg.alpha = fg->color.alpha; - XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &revfg); - fg = &revfg; - } - - if (base.mode & ATTR_REVERSE) { - temp = fg; - fg = bg; - bg = temp; - } - - if (base.mode & ATTR_BLINK && win.mode & MODE_BLINK) - fg = bg; - - if (base.mode & ATTR_INVISIBLE) - fg = 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); - - /* Clean up the region we want to draw to. */ - XftDrawRect(xw.draw, bg, winx, winy, width, win.ch); - - /* Set the clip region because Xft is sometimes dirty. */ - r.x = 0; - r.y = 0; - r.height = win.ch; - r.width = width; - XftDrawSetClipRectangles(xw.draw, winx, winy, &r, 1); - - /* Render the glyphs. */ - XftDrawGlyphFontSpec(xw.draw, fg, specs, len); - - /* Render underline and strikethrough. */ - if (base.mode & ATTR_UNDERLINE) { - XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent + 1, - width, 1); - } - - if (base.mode & ATTR_STRUCK) { - XftDrawRect(xw.draw, fg, winx, winy + 2 * dc.font.ascent / 3, - width, 1); - } - - /* Reset clip to none. */ - XftDrawSetClip(xw.draw, 0); -} - -void -xdrawglyph(Glyph g, int x, int y) -{ - int numspecs; - XftGlyphFontSpec spec; - - numspecs = xmakeglyphfontspecs(&spec, &g, 1, x, y); - xdrawglyphfontspecs(&spec, g, numspecs, x, y); -} - -void -xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, Glyph og) -{ - Color drawcol; - - /* remove the old cursor */ - if (selected(ox, oy)) - og.mode ^= ATTR_REVERSE; - xdrawglyph(og, ox, oy); - - if (IS_SET(MODE_HIDE)) - return; - - /* - * Select the right color for the right mode. - */ - g.mode &= ATTR_BOLD|ATTR_ITALIC|ATTR_UNDERLINE|ATTR_STRUCK|ATTR_WIDE; - - if (IS_SET(MODE_REVERSE)) { - g.mode |= ATTR_REVERSE; - g.bg = defaultfg; - if (selected(cx, cy)) { - drawcol = dc.col[defaultcs]; - g.fg = defaultrcs; - } else { - drawcol = dc.col[defaultrcs]; - g.fg = defaultcs; - } - } else { - if (selected(cx, cy)) { - g.fg = defaultfg; - g.bg = defaultrcs; - } else { - g.fg = defaultbg; - g.bg = defaultcs; - } - drawcol = dc.col[g.bg]; - } - - /* draw the new one */ - if (IS_SET(MODE_FOCUSED)) { - switch (win.cursor) { - case 7: /* st extension: snowman (U+2603) */ - g.u = 0x2603; - case 0: /* Blinking Block */ - case 1: /* Blinking Block (Default) */ - case 2: /* Steady Block */ - xdrawglyph(g, cx, cy); - break; - case 3: /* Blinking Underline */ - case 4: /* Steady Underline */ - XftDrawRect(xw.draw, &drawcol, - borderpx + cx * win.cw, - borderpx + (cy + 1) * win.ch - \ - cursorthickness, - win.cw, cursorthickness); - break; - case 5: /* Blinking bar */ - case 6: /* Steady bar */ - XftDrawRect(xw.draw, &drawcol, - borderpx + cx * win.cw, - borderpx + cy * win.ch, - cursorthickness, win.ch); - break; - } - } else { - XftDrawRect(xw.draw, &drawcol, - borderpx + cx * win.cw, - borderpx + cy * win.ch, - win.cw - 1, 1); - XftDrawRect(xw.draw, &drawcol, - borderpx + cx * win.cw, - borderpx + cy * win.ch, - 1, win.ch - 1); - XftDrawRect(xw.draw, &drawcol, - borderpx + (cx + 1) * win.cw - 1, - borderpx + cy * win.ch, - 1, win.ch - 1); - XftDrawRect(xw.draw, &drawcol, - borderpx + cx * win.cw, - borderpx + (cy + 1) * win.ch - 1, - win.cw, 1); - } -} - -void -xsetenv(void) -{ - char buf[sizeof(long) * 8 + 1]; - - snprintf(buf, sizeof(buf), "%lu", xw.win); - setenv("WINDOWID", buf, 1); -} - -void -xsettitle(char *p) -{ - XTextProperty prop; - DEFAULT(p, opt_title); - - Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle, - &prop); - XSetWMName(xw.dpy, xw.win, &prop); - XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmname); - XFree(prop.value); -} - -int -xstartdraw(void) -{ - return IS_SET(MODE_VISIBLE); -} - -void -xdrawline(Line line, int x1, int y1, int x2) -{ - int i, x, ox, numspecs; - 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++) { - 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; - i = 0; - } - if (i == 0) { - ox = x; - base = new; - } - i++; - } - if (i > 0) - xdrawglyphfontspecs(specs, base, i, ox, y1); -} - -void -xfinishdraw(void) -{ - XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, 0, 0, win.w, - win.h, 0, 0); - XSetForeground(xw.dpy, dc.gc, - dc.col[IS_SET(MODE_REVERSE)? - defaultfg : defaultbg].pixel); -} - -void -xximspot(int x, int y) -{ - XPoint spot = { borderpx + x * win.cw, borderpx + (y + 1) * win.ch }; - XVaNestedList attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL); - - XSetICValues(xw.xic, XNPreeditAttributes, attr, NULL); - XFree(attr); -} - -void -expose(XEvent *ev) -{ - redraw(); -} - -void -visibility(XEvent *ev) -{ - XVisibilityEvent *e = &ev->xvisibility; - - MODBIT(win.mode, e->state != VisibilityFullyObscured, MODE_VISIBLE); -} - -void -unmap(XEvent *ev) -{ - win.mode &= ~MODE_VISIBLE; -} - -void -xsetpointermotion(int set) -{ - MODBIT(xw.attrs.event_mask, set, PointerMotionMask); - XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, &xw.attrs); -} - -void -xsetmode(int set, unsigned int flags) -{ - int mode = win.mode; - MODBIT(win.mode, set, flags); - if ((win.mode & MODE_REVERSE) != (mode & MODE_REVERSE)) - redraw(); -} - -int -xsetcursor(int cursor) -{ - DEFAULT(cursor, 1); - if (!BETWEEN(cursor, 0, 6)) - return 1; - win.cursor = cursor; - return 0; -} - -void -xseturgency(int add) -{ - XWMHints *h = XGetWMHints(xw.dpy, xw.win); - - MODBIT(h->flags, add, XUrgencyHint); - XSetWMHints(xw.dpy, xw.win, h); - XFree(h); -} - -void -xbell(void) -{ - if (!(IS_SET(MODE_FOCUSED))) - xseturgency(1); - if (bellvolume) - XkbBell(xw.dpy, xw.win, bellvolume, (Atom)NULL); -} - -void -focus(XEvent *ev) -{ - XFocusChangeEvent *e = &ev->xfocus; - - if (e->mode == NotifyGrab) - return; - - if (ev->type == FocusIn) { - XSetICFocus(xw.xic); - win.mode |= MODE_FOCUSED; - xseturgency(0); - if (IS_SET(MODE_FOCUS)) - ttywrite("\033[I", 3, 0); - } else { - XUnsetICFocus(xw.xic); - win.mode &= ~MODE_FOCUSED; - if (IS_SET(MODE_FOCUS)) - ttywrite("\033[O", 3, 0); - } -} - -int -match(uint mask, uint state) -{ - return mask == XK_ANY_MOD || mask == (state & ~ignoremod); -} - -char* -kmap(KeySym k, uint state) -{ - Key *kp; - int i; - - /* Check for mapped keys out of X11 function keys. */ - for (i = 0; i < LEN(mappedkeys); i++) { - if (mappedkeys[i] == k) - break; - } - if (i == LEN(mappedkeys)) { - if ((k & 0xFFFF) < 0xFD00) - return NULL; - } - - for (kp = key; kp < key + LEN(key); kp++) { - if (kp->k != k) - continue; - - if (!match(kp->mask, state)) - continue; - - if (IS_SET(MODE_APPKEYPAD) ? kp->appkey < 0 : kp->appkey > 0) - continue; - if (IS_SET(MODE_NUMLOCK) && kp->appkey == 2) - continue; - - if (IS_SET(MODE_APPCURSOR) ? kp->appcursor < 0 : kp->appcursor > 0) - continue; - - return kp->s; - } - - return NULL; -} - -void -kpress(XEvent *ev) -{ - XKeyEvent *e = &ev->xkey; - KeySym ksym; - char buf[32], *customkey; - int len; - Rune c; - Status status; - Shortcut *bp; - - if (IS_SET(MODE_KBDLOCK)) - return; - - len = XmbLookupString(xw.xic, e, buf, sizeof buf, &ksym, &status); - /* 1. shortcuts */ - for (bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) { - if (ksym == bp->keysym && match(bp->mod, e->state)) { - bp->func(&(bp->arg)); - return; - } - } - - /* 2. custom keys from config.h */ - if ((customkey = kmap(ksym, e->state))) { - ttywrite(customkey, strlen(customkey), 1); - return; - } - - /* 3. composed string from input method */ - if (len == 0) - return; - if (len == 1 && e->state & Mod1Mask) { - if (IS_SET(MODE_8BIT)) { - if (*buf < 0177) { - c = *buf | 0x80; - len = utf8encode(c, buf); - } - } else { - buf[1] = buf[0]; - buf[0] = '\033'; - len = 2; - } - } - ttywrite(buf, len, 1); -} - -void -cmessage(XEvent *e) -{ - /* - * See xembed specs - * http://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html - */ - if (e->xclient.message_type == xw.xembed && e->xclient.format == 32) { - if (e->xclient.data.l[1] == XEMBED_FOCUS_IN) { - win.mode |= MODE_FOCUSED; - xseturgency(0); - } else if (e->xclient.data.l[1] == XEMBED_FOCUS_OUT) { - win.mode &= ~MODE_FOCUSED; - } - } else if (e->xclient.data.l[0] == xw.wmdeletewin) { - ttyhangup(); - exit(0); - } -} - -void -resize(XEvent *e) -{ - if (e->xconfigure.width == win.w && e->xconfigure.height == win.h) - return; - - cresize(e->xconfigure.width, e->xconfigure.height); -} - -void -run(void) -{ - XEvent ev; - int w = win.w, h = win.h; - fd_set rfd; - int xfd = XConnectionNumber(xw.dpy), xev, blinkset = 0, dodraw = 0; - int ttyfd; - struct timespec drawtimeout, *tv = NULL, now, last, lastblink; - long deltatime; - - /* Waiting for window mapping */ - do { - XNextEvent(xw.dpy, &ev); - /* - * This XFilterEvent call is required because of XOpenIM. It - * does filter out the key event and some client message for - * the input method too. - */ - if (XFilterEvent(&ev, None)) - continue; - if (ev.type == ConfigureNotify) { - w = ev.xconfigure.width; - h = ev.xconfigure.height; - } - } while (ev.type != MapNotify); - - ttyfd = ttynew(opt_line, shell, opt_io, opt_cmd); - cresize(w, h); - - clock_gettime(CLOCK_MONOTONIC, &last); - lastblink = last; - - for (xev = actionfps;;) { - FD_ZERO(&rfd); - FD_SET(ttyfd, &rfd); - FD_SET(xfd, &rfd); - - if (pselect(MAX(xfd, ttyfd)+1, &rfd, NULL, NULL, tv, NULL) < 0) { - if (errno == EINTR) - continue; - die("select failed: %s\n", strerror(errno)); - } - if (FD_ISSET(ttyfd, &rfd)) { - ttyread(); - if (blinktimeout) { - blinkset = tattrset(ATTR_BLINK); - if (!blinkset) - MODBIT(win.mode, 0, MODE_BLINK); - } - } - - if (FD_ISSET(xfd, &rfd)) - xev = actionfps; - - clock_gettime(CLOCK_MONOTONIC, &now); - drawtimeout.tv_sec = 0; - drawtimeout.tv_nsec = (1000 * 1E6)/ xfps; - tv = &drawtimeout; - - dodraw = 0; - if (blinktimeout && TIMEDIFF(now, lastblink) > blinktimeout) { - tsetdirtattr(ATTR_BLINK); - win.mode ^= MODE_BLINK; - lastblink = now; - dodraw = 1; - } - deltatime = TIMEDIFF(now, last); - if (deltatime > 1000 / (xev ? xfps : actionfps)) { - dodraw = 1; - last = now; - } - - if (dodraw) { - while (XPending(xw.dpy)) { - XNextEvent(xw.dpy, &ev); - if (XFilterEvent(&ev, None)) - continue; - if (handler[ev.type]) - (handler[ev.type])(&ev); - } - - draw(); - XFlush(xw.dpy); - - if (xev && !FD_ISSET(xfd, &rfd)) - xev--; - if (!FD_ISSET(ttyfd, &rfd) && !FD_ISSET(xfd, &rfd)) { - if (blinkset) { - if (TIMEDIFF(now, lastblink) \ - > blinktimeout) { - drawtimeout.tv_nsec = 1000; - } else { - drawtimeout.tv_nsec = (1E6 * \ - (blinktimeout - \ - TIMEDIFF(now, - lastblink))); - } - drawtimeout.tv_sec = \ - drawtimeout.tv_nsec / 1E9; - drawtimeout.tv_nsec %= (long)1E9; - } else { - tv = NULL; - } - } - } - } -} - -void -usage(void) -{ - die("usage: %s [-aiv] [-c class] [-f font] [-g geometry]" - " [-n name] [-o file]\n" - " [-T title] [-t title] [-w windowid]" - " [[-e] command [args ...]]\n" - " %s [-aiv] [-c class] [-f font] [-g geometry]" - " [-n name] [-o file]\n" - " [-T title] [-t title] [-w windowid] -l line" - " [stty_args ...]\n", argv0, argv0); -} - -int -main(int argc, char *argv[]) -{ - xw.l = xw.t = 0; - xw.isfixed = False; - win.cursor = cursorshape; - - ARGBEGIN { - case 'a': - allowaltscreen = 0; - break; - case 'c': - opt_class = EARGF(usage()); - break; - case 'e': - if (argc > 0) - --argc, ++argv; - goto run; - case 'f': - opt_font = EARGF(usage()); - break; - case 'g': - xw.gm = XParseGeometry(EARGF(usage()), - &xw.l, &xw.t, &cols, &rows); - break; - case 'i': - xw.isfixed = 1; - break; - case 'o': - opt_io = EARGF(usage()); - break; - case 'l': - opt_line = EARGF(usage()); - break; - case 'n': - opt_name = EARGF(usage()); - break; - case 't': - case 'T': - opt_title = EARGF(usage()); - break; - case 'w': - opt_embed = EARGF(usage()); - break; - case 'v': - die("%s " VERSION "\n", argv0); - break; - default: - usage(); - } ARGEND; - -run: - if (argc > 0) /* eat all remaining arguments */ - opt_cmd = argv; - - if (!opt_title) - opt_title = (opt_line || !opt_cmd) ? "st" : opt_cmd[0]; - - setlocale(LC_CTYPE, ""); - XSetLocaleModifiers(""); - cols = MAX(cols, 1); - rows = MAX(rows, 1); - tnew(cols, rows); - xinit(cols, rows); - xsetenv(); - selinit(); - run(); - - return 0; -}