X-Git-Url: https://jasonwoof.com/gitweb/?p=st.git;a=blobdiff_plain;f=st.c;h=4a505b528fb562e3487402bbd77675852062cbc2;hp=947373f7bcd4b5e876f3a5f945a4703b1ba75659;hb=d945d7093d1822bf249e2e38ce97e5b37f695fdb;hpb=33ad83d49213749f4fcec850327f57a33ca8b921 diff --git a/st.c b/st.c index 947373f..4a505b5 100644 --- a/st.c +++ b/st.c @@ -11,6 +11,7 @@ #include #include #include +#include #include #include #include @@ -26,7 +27,9 @@ #include #include #include +#include #include +#include #include "arg.h" @@ -34,10 +37,6 @@ char *argv0; #define Glyph Glyph_ #define Font Font_ -#define Draw XftDraw * -#define Colour XftColor -#define Colourmap Colormap -#define Rectangle XRectangle #if defined(__linux) #include @@ -53,6 +52,7 @@ char *argv0; #define XEMBED_FOCUS_OUT 5 /* Arbitrary sizes */ +#define UTF_INVALID 0xFFFD #define UTF_SIZ 4 #define ESC_BUF_SIZ (128*UTF_SIZ) #define ESC_ARG_SIZ 16 @@ -63,31 +63,43 @@ char *argv0; #define XK_NO_MOD 0 #define XK_SWITCH_MOD (1<<13) -#define REDRAW_TIMEOUT (80*1000) /* 80 ms */ - /* macros */ -#define SERRNO strerror(errno) #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 LEN(a) (sizeof(a) / sizeof(a)[0]) #define DEFAULT(a, b) (a) = (a) ? (a) : (b) #define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b)) +#define ISCONTROLC0(c) (BETWEEN(c, 0, 0x1f) || (c) == '\177') +#define ISCONTROLC1(c) (BETWEEN(c, 0x80, 0x9f)) +#define ISCONTROL(c) (ISCONTROLC0(c) || ISCONTROLC1(c)) #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 IS_SET(flag) ((term.mode & (flag)) != 0) -#define TIMEDIFF(t1, t2) ((t1.tv_sec-t2.tv_sec)*1000 + (t1.tv_usec-t2.tv_usec)/1000) +#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)) +#define TRUERED(x) (((x) & 0xff0000) >> 8) +#define TRUEGREEN(x) (((x) & 0xff00)) +#define TRUEBLUE(x) (((x) & 0xff) << 8) +#define TLINE(y) ((y) < term.scr ? term.hist[((y) + term.histi - term.scr \ + + histsize + 1) % histsize] : term.line[(y) - term.scr]) -#define VT102ID "\033[?6c" enum glyph_attribute { ATTR_NULL = 0, - ATTR_REVERSE = 1, - ATTR_UNDERLINE = 2, - ATTR_BOLD = 4, - ATTR_GFX = 8, - ATTR_ITALIC = 16, - ATTR_BLINK = 32, - ATTR_WRAP = 64, + 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, }; enum cursor_movement { @@ -102,33 +114,45 @@ enum cursor_state { }; enum term_mode { - MODE_WRAP = 1, - MODE_INSERT = 2, - MODE_APPKEYPAD = 4, - MODE_ALTSCREEN = 8, - MODE_CRLF = 16, - MODE_MOUSEBTN = 32, - MODE_MOUSEMOTION = 64, - MODE_REVERSE = 128, - MODE_KBDLOCK = 256, - MODE_HIDE = 512, - MODE_ECHO = 1024, - MODE_APPCURSOR = 2048, - MODE_MOUSESGR = 4096, - MODE_8BIT = 8192, - MODE_BLINK = 16384, - MODE_FBLINK = 32768, - MODE_FOCUS = 65536, - MODE_MOUSEX10 = 131072, - MODE_MOUSEMANY = 262144, + MODE_WRAP = 1 << 0, + MODE_INSERT = 1 << 1, + MODE_APPKEYPAD = 1 << 2, + MODE_ALTSCREEN = 1 << 3, + MODE_CRLF = 1 << 4, + MODE_MOUSEBTN = 1 << 5, + MODE_MOUSEMOTION = 1 << 6, + MODE_REVERSE = 1 << 7, + MODE_KBDLOCK = 1 << 8, + MODE_HIDE = 1 << 9, + MODE_ECHO = 1 << 10, + MODE_APPCURSOR = 1 << 11, + MODE_MOUSESGR = 1 << 12, + MODE_8BIT = 1 << 13, + MODE_BLINK = 1 << 14, + MODE_FBLINK = 1 << 15, + MODE_FOCUS = 1 << 16, + MODE_MOUSEX10 = 1 << 17, + MODE_MOUSEMANY = 1 << 18, + MODE_BRCKTPASTE = 1 << 19, + MODE_PRINT = 1 << 20, MODE_MOUSE = MODE_MOUSEBTN|MODE_MOUSEMOTION|MODE_MOUSEX10\ |MODE_MOUSEMANY, }; +enum charset { + CS_GRAPHIC0, + CS_GRAPHIC1, + CS_UK, + CS_USA, + CS_MULTI, + CS_GER, + CS_FIN +}; + enum escape_state { ESC_START = 1, ESC_CSI = 2, - ESC_STR = 4, /* DSC, OSC, PM, APC */ + ESC_STR = 4, /* DCS, OSC, PM, APC */ ESC_ALTCHARSET = 8, ESC_STR_END = 16, /* a final string was encountered */ ESC_TEST = 32, /* Enter in test mode */ @@ -155,11 +179,14 @@ typedef unsigned int uint; typedef unsigned long ulong; typedef unsigned short ushort; +typedef XftDraw *Draw; +typedef XftColor Color; + typedef struct { char c[UTF_SIZ]; /* character code */ - uchar mode; /* attribute flags */ - ushort fg; /* foreground */ - ushort bg; /* background */ + ushort mode; /* attribute flags */ + uint32_t fg; /* foreground */ + uint32_t bg; /* background */ } Glyph; typedef Glyph *Line; @@ -172,14 +199,14 @@ typedef struct { } TCursor; /* CSI Escape sequence structs */ -/* ESC '[' [[ [] [;]] ] */ +/* ESC '[' [[ [] [;]] []] */ typedef struct { char buf[ESC_BUF_SIZ]; /* raw string */ int len; /* raw string length */ char priv; int arg[ESC_ARG_SIZ]; int narg; /* nb of args */ - char mode; + char mode[2]; } CSIEscape; /* STR Escape sequence structs */ @@ -198,12 +225,18 @@ typedef struct { int col; /* nb col */ Line *line; /* screen */ Line *alt; /* alternate screen */ + Line *hist; /* history buffer */ + int histi; /* history index */ + int scr; /* scroll back */ bool *dirty; /* dirtyness of lines */ TCursor c; /* cursor */ int top; /* top scroll limit */ int bot; /* bottom scroll limit */ int mode; /* terminal mode flags */ int esc; /* escape state flags */ + char trantbl[4]; /* charset table translation */ + int charset; /* current charset */ + int icharset; /* selected charset for sequence */ bool numlock; /* lock numbers in keyboard */ bool *tabs; } Term; @@ -211,10 +244,10 @@ typedef struct { /* Purely graphic info */ typedef struct { Display *dpy; - Colourmap cmap; + Colormap cmap; Window win; Drawable buf; - Atom xembed, wmdeletewin; + Atom xembed, wmdeletewin, netwmname, netwmpid; XIM xim; XIC xic; Draw draw; @@ -222,24 +255,26 @@ typedef struct { XSetWindowAttributes attrs; int scr; bool isfixed; /* is fixed geometry? */ - int fx, fy, fw, fh; /* fixed geometry */ + int l, t; /* left and top offset */ + int gm; /* geometry mask */ int tw, th; /* tty width and height */ int w, h; /* window width and height */ int ch; /* char height */ int cw; /* char width */ char state; /* focus, redraw, visible */ + int cursor; /* cursor style */ } XWindow; typedef struct { - int b; + uint b; uint mask; - char s[ESC_BUF_SIZ]; + char *s; } Mousekey; typedef struct { KeySym k; uint mask; - char s[ESC_BUF_SIZ]; + char *s; /* three valued logic variables: 0 indifferent, 1 on, -1 off */ signed char appkey; /* application keypad */ signed char appcursor; /* application cursor */ @@ -261,32 +296,40 @@ typedef struct { int x, y; } nb, ne, ob, oe; - char *clip; + char *primary, *clipboard; Atom xtarget; bool alt; - struct timeval tclick1; - struct timeval tclick2; + struct timespec tclick1; + struct timespec tclick2; } Selection; typedef union { int i; - unsigned int ui; + uint ui; float f; const void *v; } Arg; typedef struct { - unsigned int mod; + uint mod; KeySym keysym; void (*func)(const Arg *); const Arg arg; } Shortcut; /* function definitions used in config.h */ +static void clipcopy(const Arg *); static void clippaste(const Arg *); +static void kscrolldown(const Arg *); +static void kscrollup(const Arg *); static void numlock(const Arg *); static void selpaste(const Arg *); static void xzoom(const Arg *); +static void xzoomabs(const Arg *); +static void xzoomreset(const Arg *); +static void printsel(const Arg *); +static void printscreen(const Arg *) ; +static void toggleprinter(const Arg *); /* Config.h for applying patches and the configuration. */ #include "config.h" @@ -306,14 +349,14 @@ typedef struct { /* Drawing Context */ typedef struct { - Colour col[LEN(colorname) < 256 ? 256 : LEN(colorname)]; + Color col[MAX(LEN(colorname), 256)]; Font font, bfont, ifont, ibfont; GC gc; } DC; static void die(const char *, ...); static void draw(void); -static void redraw(int); +static void redraw(void); static void drawregion(int, int, int, int); static void execsh(void); static void sigchld(int); @@ -323,29 +366,35 @@ static void csidump(void); static void csihandle(void); static void csiparse(void); static void csireset(void); +static int eschandle(uchar ascii); static void strdump(void); static void strhandle(void); static void strparse(void); static void strreset(void); static int tattrset(int); +static void tprinter(char *, size_t); +static void tdumpsel(void); +static void tdumpline(int); +static void tdump(void); static void tclearregion(int, int, int, int); static void tcursor(int); static void tdeletechar(int); static void tdeleteline(int); static void tinsertblank(int); static void tinsertblankline(int); +static int tlinelen(int); static void tmoveto(int, int); -static void tmoveato(int x, int y); +static void tmoveato(int, int); static void tnew(int, int); static void tnewline(int); -static void tputtab(bool); +static void tputtab(int); static void tputc(char *, int); static void treset(void); -static int tresize(int, int); -static void tscrollup(int, int); -static void tscrolldown(int, int); -static void tsetattr(int*, int); +static void tresize(int, int); +static void tscrollup(int, int, bool); +static void tscrolldown(int, int, bool); +static void tsetattr(int *, int); static void tsetchar(char *, Glyph *, int, int); static void tsetscroll(int, int); static void tswapscreen(void); @@ -354,12 +403,17 @@ static void tsetdirtattr(int); static void tsetmode(bool, bool, int *, int); static void tfulldirt(void); static void techo(char *, int); - +static void tcontrolcode(uchar ); +static void tdectest(char ); +static int32_t tdefcolor(int *, int *, int); +static void tdeftran(char); static inline bool match(uint, uint); static void ttynew(void); static void ttyread(void); static void ttyresize(void); +static void ttysend(char *, size_t); static void ttywrite(const char *, size_t); +static void tstrsequence(uchar c); static void xdraws(char *, Glyph, int, int, int, int); static void xhints(void); @@ -368,16 +422,17 @@ static void xdrawcursor(void); static void xinit(void); static void xloadcols(void); static int xsetcolorname(int, const char *); +static int xgeommasktogravity(int); static int xloadfont(Font *, FcPattern *); -static void xloadfonts(char *, int); +static void xloadfonts(char *, double); static int xloadfontset(Font *); static void xsettitle(char *); static void xresettitle(void); static void xsetpointermotion(int); static void xseturgency(int); -static void xsetsel(char*); +static void xsetsel(char *); static void xtermclear(int, int, int, int); -static void xunloadfont(Font *f); +static void xunloadfont(Font *); static void xunloadfonts(void); static void xresize(int, int); @@ -398,21 +453,28 @@ static void selclear(XEvent *); static void selrequest(XEvent *); static void selinit(void); -static void selsort(void); +static void selnormalize(void); static inline bool selected(int, int); +static char *getsel(void); static void selcopy(void); static void selscroll(int, int); static void selsnap(int, int *, int *, int); +static void getbuttoninfo(XEvent *); +static void mousereport(XEvent *); -static int utf8decode(char *, long *); -static int utf8encode(long *, char *); -static int utf8size(char *); -static int isfullutf8(char *, int); +static size_t utf8decode(char *, long *, size_t); +static long utf8decodebyte(char, size_t *); +static size_t utf8encode(long, char *, size_t); +static char utf8encodebyte(long, size_t); +static size_t utf8len(char *); +static size_t utf8validate(long *, size_t); -static ssize_t xwrite(int, char *, size_t); +static ssize_t xwrite(int, const char *, size_t); static void *xmalloc(size_t); static void *xrealloc(void *, size_t); -static void *xcalloc(size_t, size_t); +static char *xstrdup(char *); + +static void usage(void); static void (*handler[LASTEvent])(XEvent *) = { [KeyPress] = kpress, @@ -426,7 +488,11 @@ static void (*handler[LASTEvent])(XEvent *) = { [MotionNotify] = bmotion, [ButtonPress] = bpress, [ButtonRelease] = brelease, - [SelectionClear] = selclear, +/* + * Uncomment if you want the selection to disappear when you select something + * different in another window. + */ +/* [SelectionClear] = selclear, */ [SelectionNotify] = selnotify, [SelectionRequest] = selrequest, }; @@ -440,7 +506,7 @@ static STREscape strescseq; static int cmdfd; static pid_t pid; static Selection sel; -static int iofd = -1; +static int iofd = STDOUT_FILENO; static char **opt_cmd = NULL; static char *opt_io = NULL; static char *opt_title = NULL; @@ -450,7 +516,13 @@ static char *opt_font = NULL; static int oldbutton = 3; /* button event on startup: 3 = release */ static char *usedfont = NULL; -static int usedfontsize = 0; +static double usedfontsize = 0; +static double defaultfontsize = 0; + +static uchar utfbyte[UTF_SIZ + 1] = {0x80, 0, 0xC0, 0xE0, 0xF0}; +static uchar utfmask[UTF_SIZ + 1] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8}; +static long utfmin[UTF_SIZ + 1] = { 0, 0, 0x80, 0x800, 0x10000}; +static long utfmax[UTF_SIZ + 1] = {0x10FFFF, 0x7F, 0x7FF, 0xFFFF, 0x10FFFF}; /* Font Ring Cache */ enum { @@ -463,6 +535,7 @@ enum { typedef struct { XftFont *font; int flags; + long unicodep; } Fontcache; /* Fontcache is an array now. A new font will be appended to the array. */ @@ -470,7 +543,7 @@ static Fontcache frc[16]; static int frclen = 0; ssize_t -xwrite(int fd, char *s, size_t len) { +xwrite(int fd, const char *s, size_t len) { size_t aux = len; while(len > 0) { @@ -501,147 +574,88 @@ xrealloc(void *p, size_t len) { return p; } -void * -xcalloc(size_t nmemb, size_t size) { - void *p = calloc(nmemb, size); - - if(!p) +char * +xstrdup(char *s) { + if((s = strdup(s)) == NULL) die("Out of memory\n"); - return p; + return s; } -int -utf8decode(char *s, long *u) { - uchar c; - int i, n, rtn; - - rtn = 1; - c = *s; - if(~c & 0x80) { /* 0xxxxxxx */ - *u = c; - return rtn; - } else if((c & 0xE0) == 0xC0) { /* 110xxxxx */ - *u = c & 0x1F; - n = 1; - } else if((c & 0xF0) == 0xE0) { /* 1110xxxx */ - *u = c & 0x0F; - n = 2; - } else if((c & 0xF8) == 0xF0) { /* 11110xxx */ - *u = c & 0x07; - n = 3; - } else { - goto invalid; - } - - for(i = n, ++s; i > 0; --i, ++rtn, ++s) { - c = *s; - if((c & 0xC0) != 0x80) /* 10xxxxxx */ - goto invalid; - *u <<= 6; - *u |= c & 0x3F; - } - - if((n == 1 && *u < 0x80) || - (n == 2 && *u < 0x800) || - (n == 3 && *u < 0x10000) || - (*u >= 0xD800 && *u <= 0xDFFF)) { - goto invalid; - } - - return rtn; -invalid: - *u = 0xFFFD; - - return rtn; -} +size_t +utf8decode(char *c, long *u, size_t clen) { + size_t i, j, len, type; + long udecoded; -int -utf8encode(long *u, char *s) { - uchar *sp; - ulong uc; - int i, n; - - sp = (uchar *)s; - uc = *u; - if(uc < 0x80) { - *sp = uc; /* 0xxxxxxx */ + *u = UTF_INVALID; + if(!clen) + return 0; + udecoded = utf8decodebyte(c[0], &len); + if(!BETWEEN(len, 1, UTF_SIZ)) return 1; - } else if(*u < 0x800) { - *sp = (uc >> 6) | 0xC0; /* 110xxxxx */ - n = 1; - } else if(uc < 0x10000) { - *sp = (uc >> 12) | 0xE0; /* 1110xxxx */ - n = 2; - } else if(uc <= 0x10FFFF) { - *sp = (uc >> 18) | 0xF0; /* 11110xxx */ - n = 3; - } else { - goto invalid; + for(i = 1, j = 1; i < clen && j < len; ++i, ++j) { + udecoded = (udecoded << 6) | utf8decodebyte(c[i], &type); + if(type != 0) + return j; } + if(j < len) + return 0; + *u = udecoded; + utf8validate(u, len); + return len; +} - for(i=n,++sp; i>0; --i,++sp) - *sp = ((uc >> 6*(i-1)) & 0x3F) | 0x80; /* 10xxxxxx */ - - return n+1; -invalid: - /* U+FFFD */ - *s++ = '\xEF'; - *s++ = '\xBF'; - *s = '\xBD'; - - return 3; +long +utf8decodebyte(char c, size_t *i) { + for(*i = 0; *i < LEN(utfmask); ++(*i)) + if(((uchar)c & utfmask[*i]) == utfbyte[*i]) + return (uchar)c & ~utfmask[*i]; + return 0; } -/* use this if your buffer is less than UTF_SIZ, it returns 1 if you can decode - UTF-8 otherwise return 0 */ -int -isfullutf8(char *s, int b) { - uchar *c1, *c2, *c3; +size_t +utf8encode(long u, char *c, size_t clen) { + size_t len, i; - c1 = (uchar *)s; - c2 = (uchar *)++s; - c3 = (uchar *)++s; - if(b < 1) { - return 0; - } else if((*c1 & 0xE0) == 0xC0 && b == 1) { - return 0; - } else if((*c1 & 0xF0) == 0xE0 && - ((b == 1) || - ((b == 2) && (*c2 & 0xC0) == 0x80))) { + len = utf8validate(&u, 0); + if(clen < len) return 0; - } else if((*c1 & 0xF8) == 0xF0 && - ((b == 1) || - ((b == 2) && (*c2 & 0xC0) == 0x80) || - ((b == 3) && (*c2 & 0xC0) == 0x80 && (*c3 & 0xC0) == 0x80))) { - return 0; - } else { - return 1; + for(i = len - 1; i != 0; --i) { + c[i] = utf8encodebyte(u, 0); + u >>= 6; } + c[0] = utf8encodebyte(u, len); + return len; } -int -utf8size(char *s) { - uchar c = *s; +char +utf8encodebyte(long u, size_t i) { + return utfbyte[i] | (u & ~utfmask[i]); +} - if(~c & 0x80) { - return 1; - } else if((c & 0xE0) == 0xC0) { - return 2; - } else if((c & 0xF0) == 0xE0) { - return 3; - } else { - return 4; - } +size_t +utf8len(char *c) { + return utf8decode(c, &(long){0}, UTF_SIZ); +} + +size_t +utf8validate(long *u, size_t i) { + if(!BETWEEN(*u, utfmin[i], utfmax[i]) || BETWEEN(*u, 0xD800, 0xDFFF)) + *u = UTF_INVALID; + for(i = 1; *u > utfmax[i]; ++i) + ; + return i; } static void selinit(void) { - memset(&sel.tclick1, 0, sizeof(sel.tclick1)); - memset(&sel.tclick2, 0, sizeof(sel.tclick2)); + clock_gettime(CLOCK_MONOTONIC, &sel.tclick1); + clock_gettime(CLOCK_MONOTONIC, &sel.tclick2); sel.mode = 0; + sel.snap = 0; sel.ob.x = -1; - sel.clip = NULL; + sel.primary = NULL; + sel.clipboard = NULL; sel.xtarget = XInternAtom(xw.dpy, "UTF8_STRING", 0); if(sel.xtarget == None) sel.xtarget = XA_STRING; @@ -663,9 +677,23 @@ y2row(int y) { return LIMIT(y, 0, term.row-1); } +static int tlinelen(int y) { + int i = term.col; + + if(TLINE(y)[i - 1].mode & ATTR_WRAP) + return i; + + while(i > 0 && TLINE(y)[i - 1].c[0] == ' ') + --i; + + return i; +} + static void -selsort(void) { - if(sel.ob.y == sel.oe.y) { +selnormalize(void) { + int i; + + if(sel.ob.y == sel.oe.y || sel.type == SEL_RECTANGULAR) { sel.nb.x = MIN(sel.ob.x, sel.oe.x); sel.ne.x = MAX(sel.ob.x, sel.oe.x); } else { @@ -674,27 +702,36 @@ selsort(void) { } sel.nb.y = MIN(sel.ob.y, sel.oe.y); sel.ne.y = MAX(sel.ob.y, sel.oe.y); + + selsnap(sel.snap, &sel.nb.x, &sel.nb.y, -1); + selsnap(sel.snap, &sel.ne.x, &sel.ne.y, +1); + + /* expand selection over line breaks */ + if (sel.type == SEL_RECTANGULAR) + return; + i = tlinelen(sel.nb.y); + if (i < sel.nb.x) + sel.nb.x = i; + if (tlinelen(sel.ne.y) <= sel.ne.x) + sel.ne.x = term.col - 1; } static inline bool selected(int x, int y) { - if(sel.ne.y == y && sel.nb.y == y) - return BETWEEN(x, sel.nb.x, sel.ne.x); + if(sel.type == SEL_RECTANGULAR) + return BETWEEN(y, sel.nb.y, sel.ne.y) + && BETWEEN(x, sel.nb.x, sel.ne.x); - if(sel.type == SEL_RECTANGULAR) { - return ((sel.nb.y <= y && y <= sel.ne.y) - && (sel.nb.x <= x && x <= sel.ne.x)); - } - - return ((sel.nb.y < y && y < sel.ne.y) - || (y == sel.ne.y && x <= sel.ne.x)) - || (y == sel.nb.y && x >= sel.nb.x - && (x <= sel.ne.x || sel.nb.y != sel.ne.y)); + return BETWEEN(y, sel.nb.y, sel.ne.y) + && (y != sel.nb.y || x >= sel.nb.x) + && (y != sel.ne.y || x <= sel.ne.x); } void selsnap(int mode, int *x, int *y, int direction) { - int i; + int newx, newy, xt, yt; + bool delim, prevdelim; + Glyph *gp, *prevgp; switch(mode) { case SNAP_WORD: @@ -702,32 +739,38 @@ selsnap(int mode, int *x, int *y, int direction) { * Snap around if the word wraps around at the end or * beginning of a line. */ + prevgp = &TLINE(*y)[*x]; + prevdelim = strchr(worddelimiters, prevgp->c[0]) != NULL; for(;;) { - if(direction < 0 && *x <= 0) { - if(*y > 0 && term.line[*y - 1][term.col-1].mode - & ATTR_WRAP) { - *y -= 1; - *x = term.col-1; - } else { + newx = *x + direction; + newy = *y; + if(!BETWEEN(newx, 0, term.col - 1)) { + newy += direction; + newx = (newx + term.col) % term.col; + if (!BETWEEN(newy, 0, term.row - 1)) break; - } - } - if(direction > 0 && *x >= term.col-1) { - if(*y < term.row-1 && term.line[*y][*x].mode - & ATTR_WRAP) { - *y += 1; - *x = 0; - } else { + + if(direction > 0) + yt = *y, xt = *x; + else + yt = newy, xt = newx; + if(!(TLINE(yt)[xt].mode & ATTR_WRAP)) break; - } } - if(strchr(worddelimiters, - term.line[*y][*x + direction].c[0])) { + if (newx >= tlinelen(newy)) + break; + + gp = &TLINE(newy)[newx]; + delim = strchr(worddelimiters, gp->c[0]) != NULL; + if(!(gp->mode & ATTR_WDUMMY) && (delim != prevdelim + || (delim && gp->c[0] != prevgp->c[0]))) break; - } - *x += direction; + *x = newx; + *y = newy; + prevgp = gp; + prevdelim = delim; } break; case SNAP_LINE: @@ -739,54 +782,33 @@ selsnap(int mode, int *x, int *y, int direction) { *x = (direction < 0) ? 0 : term.col - 1; if(direction < 0 && *y > 0) { for(; *y > 0; *y += direction) { - if(!(term.line[*y-1][term.col-1].mode + if(!(TLINE(*y-1)[term.col-1].mode & ATTR_WRAP)) { break; } } } else if(direction > 0 && *y < term.row-1) { for(; *y < term.row; *y += direction) { - if(!(term.line[*y][term.col-1].mode + if(!(TLINE(*y)[term.col-1].mode & ATTR_WRAP)) { break; } } } break; - default: - /* - * Select the whole line when the end of line is reached. - */ - if(direction > 0) { - i = term.col; - while(--i > 0 && term.line[*y][i].c[0] == ' ') - /* nothing */; - if(i > 0 && i < *x) - *x = term.col - 1; - } - break; } } void getbuttoninfo(XEvent *e) { int type; - uint state = e->xbutton.state &~Button1Mask; + uint state = e->xbutton.state & ~(Button1Mask | forceselmod); sel.alt = IS_SET(MODE_ALTSCREEN); sel.oe.x = x2col(e->xbutton.x); sel.oe.y = y2row(e->xbutton.y); - - if(sel.ob.y < sel.oe.y - || (sel.ob.y == sel.oe.y && sel.ob.x < sel.oe.x)) { - selsnap(sel.snap, &sel.ob.x, &sel.ob.y, -1); - selsnap(sel.snap, &sel.oe.x, &sel.oe.y, +1); - } else { - selsnap(sel.snap, &sel.oe.x, &sel.oe.y, -1); - selsnap(sel.snap, &sel.ob.x, &sel.ob.y, +1); - } - selsort(); + selnormalize(); sel.type = SEL_REGULAR; for(type = 1; type < LEN(selmasks); ++type) { @@ -799,68 +821,75 @@ getbuttoninfo(XEvent *e) { void mousereport(XEvent *e) { - int x = x2col(e->xbutton.x), y = y2row(e->xbutton.y), - button = e->xbutton.button, state = e->xbutton.state, - len; - 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 == AnyButton)) { - button = 3; - } else { - button -= Button1; - if(button >= 3) - button += 64 - 3; - if(e->xbutton.type == ButtonPress) { - oldbutton = button; - ox = x; - oy = y; - } - } - - if(!IS_SET(MODE_MOUSEX10)) { - button += (state & ShiftMask ? 4 : 0) - + (state & Mod4Mask ? 8 : 0) - + (state & ControlMask ? 16 : 0); - } - - len = 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", - IS_SET(MODE_MOUSEX10)? button-1 : 32+button, - 32+x+1, 32+y+1); - } else { - return; - } - - ttywrite(buf, len); + return; // jason +// int x = x2col(e->xbutton.x), y = y2row(e->xbutton.y), +// button = e->xbutton.button, state = e->xbutton.state, +// len; +// 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); +// } +// +// len = 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); } void bpress(XEvent *e) { - struct timeval now; + struct timespec now; Mousekey *mk; - if(IS_SET(MODE_MOUSE)) { + if(IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) { mousereport(e); return; } @@ -868,15 +897,13 @@ bpress(XEvent *e) { for(mk = mshortcuts; mk < mshortcuts + LEN(mshortcuts); mk++) { if(e->xbutton.button == mk->b && match(mk->mask, e->xbutton.state)) { - ttywrite(mk->s, strlen(mk->s)); - if(IS_SET(MODE_ECHO)) - techo(mk->s, strlen(mk->s)); + ttysend(mk->s, strlen(mk->s)); return; } } if(e->xbutton.button == Button1) { - gettimeofday(&now, NULL); + clock_gettime(CLOCK_MONOTONIC, &now); /* Clear previous selection, logically and visually. */ selclear(NULL); @@ -896,9 +923,7 @@ bpress(XEvent *e) { } else { sel.snap = 0; } - selsnap(sel.snap, &sel.ob.x, &sel.ob.y, -1); - selsnap(sel.snap, &sel.oe.x, &sel.oe.y, +1); - selsort(); + selnormalize(); /* * Draw selection, unless it's regular and we don't want to @@ -913,66 +938,61 @@ bpress(XEvent *e) { } } -void -selcopy(void) { +char * +getsel(void) { char *str, *ptr; - int x, y, bufsize, size, i, ex; + int y, bufsize, size, lastx, linelen; Glyph *gp, *last; - if(sel.ob.x == -1) { - str = NULL; - } else { - bufsize = (term.col+1) * (sel.ne.y-sel.nb.y+1) * UTF_SIZ; - ptr = str = xmalloc(bufsize); - - /* append every set & selected glyph to the selection */ - for(y = sel.nb.y; y < sel.ne.y + 1; y++) { - gp = &term.line[y][0]; - last = gp + term.col; + if(sel.ob.x == -1) + return NULL; - while(--last >= gp && !(selected(last - gp, y) && \ - strcmp(last->c, " ") != 0)) - /* nothing */; + bufsize = (term.col+1) * (sel.ne.y-sel.nb.y+1) * UTF_SIZ; + ptr = str = xmalloc(bufsize); - for(x = 0; gp <= last; x++, ++gp) { - if(!selected(x, y)) - continue; + /* append every set & selected glyph to the selection */ + for(y = sel.nb.y; y < sel.ne.y + 1; y++) { + linelen = tlinelen(y); - size = utf8size(gp->c); - memcpy(ptr, gp->c, size); - ptr += size; - } + if(sel.type == SEL_RECTANGULAR) { + gp = &TLINE(y)[sel.nb.x]; + lastx = sel.ne.x; + } else { + gp = &TLINE(y)[sel.nb.y == y ? sel.nb.x : 0]; + lastx = (sel.ne.y == y) ? sel.ne.x : term.col-1; + } + last = &TLINE(y)[MIN(lastx, linelen-1)]; + while(last >= gp && last->c[0] == ' ') + --last; - /* - * Copy and pasting of line endings is inconsistent - * in the inconsistent terminal and GUI world. - * The best solution seems like to produce '\n' when - * something is copied from st and convert '\n' to - * '\r', when something to be pasted is received by - * st. - * FIXME: Fix the computer world. - */ - if(y < sel.ne.y && !((gp-1)->mode & ATTR_WRAP)) - *ptr++ = '\n'; + for( ; gp <= last; ++gp) { + if(gp->mode & ATTR_WDUMMY) + continue; - /* - * If the last selected line expands in the selection - * after the visible text '\n' is appended. - */ - if(y == sel.ne.y) { - i = term.col; - while(--i > 0 && term.line[y][i].c[0] == ' ') - /* nothing */; - ex = sel.ne.x; - if(sel.nb.y == sel.ne.y && sel.ne.x < sel.nb.x) - ex = sel.nb.x; - if(i < ex) - *ptr++ = '\n'; - } + size = utf8len(gp->c); + memcpy(ptr, gp->c, size); + ptr += size; } - *ptr = 0; + + /* + * Copy and pasting of line endings is inconsistent + * in the inconsistent terminal and GUI world. + * The best solution seems like to produce '\n' when + * something is copied from st and convert '\n' to + * '\r', when something to be pasted is received by + * st. + * FIXME: Fix the computer world. + */ + if((y < sel.ne.y || lastx >= linelen) && !(last->mode & ATTR_WRAP)) + *ptr++ = '\n'; } - xsetsel(str); + *ptr = 0; + return str; +} + +void +selcopy(void) { + xsetsel(getsel()); } void @@ -981,18 +1001,23 @@ selnotify(XEvent *e) { int format; uchar *data, *last, *repl; Atom type; + XSelectionEvent *xsev; ofs = 0; + xsev = (XSelectionEvent *)e; + if (xsev->property == None) + return; do { - if(XGetWindowProperty(xw.dpy, xw.win, XA_PRIMARY, ofs, BUFSIZ/4, - False, AnyPropertyType, &type, &format, - &nitems, &rem, &data)) { + if(XGetWindowProperty(xw.dpy, xw.win, xsev->property, ofs, + BUFSIZ/4, False, AnyPropertyType, + &type, &format, &nitems, &rem, + &data)) { fprintf(stderr, "Clipboard allocation failed\n"); return; } /* - * As seen in selcopy: + * 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'. @@ -1004,7 +1029,11 @@ selnotify(XEvent *e) { *repl++ = '\r'; } - ttywrite((const char *)data, nitems * format / 8); + if(IS_SET(MODE_BRCKTPASTE)) + ttywrite("\033[200~", 6); + ttysend((char *)data, nitems * format / 8); + if(IS_SET(MODE_BRCKTPASTE)) + ttywrite("\033[201~", 6); XFree(data); /* number of 32-bit chunks returned */ ofs += nitems * format / 32; @@ -1018,11 +1047,25 @@ selpaste(const Arg *dummy) { } void +clipcopy(const Arg *dummy) { + Atom clipboard; + + if(sel.clipboard != NULL) + free(sel.clipboard); + + if(sel.primary != NULL) { + sel.clipboard = xstrdup(sel.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, sel.xtarget, XA_PRIMARY, + XConvertSelection(xw.dpy, clipboard, sel.xtarget, clipboard, xw.win, CurrentTime); } @@ -1038,7 +1081,8 @@ void selrequest(XEvent *e) { XSelectionRequestEvent *xsre; XSelectionEvent xev; - Atom xa_targets, string; + Atom xa_targets, string, clipboard; + char *seltext; xsre = (XSelectionRequestEvent *) e; xev.type = SelectionNotify; @@ -1057,11 +1101,29 @@ selrequest(XEvent *e) { XA_ATOM, 32, PropModeReplace, (uchar *) &string, 1); xev.property = xsre->property; - } else if(xsre->target == sel.xtarget && sel.clip != NULL) { - XChangeProperty(xsre->display, xsre->requestor, xsre->property, - xsre->target, 8, PropModeReplace, - (uchar *) sel.clip, strlen(sel.clip)); - xev.property = xsre->property; + } else if(xsre->target == sel.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 = sel.primary; + } else if(xsre->selection == clipboard) { + seltext = sel.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 */ @@ -1071,21 +1133,15 @@ selrequest(XEvent *e) { void xsetsel(char *str) { - /* register the selection for both the clipboard and the primary */ - Atom clipboard; - - free(sel.clip); - sel.clip = str; + free(sel.primary); + sel.primary = str; XSetSelectionOwner(xw.dpy, XA_PRIMARY, xw.win, CurrentTime); - - clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0); - XSetSelectionOwner(xw.dpy, clipboard, xw.win, CurrentTime); } void brelease(XEvent *e) { - if(IS_SET(MODE_MOUSE)) { + if(IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) { mousereport(e); return; } @@ -1108,7 +1164,7 @@ void bmotion(XEvent *e) { int oldey, oldex, oldsby, oldsey; - if(IS_SET(MODE_MOUSE)) { + if(IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) { mousereport(e); return; } @@ -1139,23 +1195,40 @@ die(const char *errstr, ...) { void execsh(void) { - char **args; - char *envshell = getenv("SHELL"); - const struct passwd *pass = getpwuid(getuid()); + char **args, *sh, *prog; + const struct passwd *pw; char buf[sizeof(long) * 8 + 1]; - unsetenv("COLUMNS"); - unsetenv("LINES"); - unsetenv("TERMCAP"); + errno = 0; + if((pw = getpwuid(getuid())) == NULL) { + if(errno) + die("getpwuid:%s\n", strerror(errno)); + else + die("who are you?\n"); + } - if(pass) { - setenv("LOGNAME", pass->pw_name, 1); - setenv("USER", pass->pw_name, 1); - setenv("SHELL", pass->pw_shell, 0); - setenv("HOME", pass->pw_dir, 0); + if (!(sh = getenv("SHELL"))) { + sh = (pw->pw_shell[0]) ? pw->pw_shell : shell; } + if(opt_cmd) + prog = opt_cmd[0]; + else if(utmp) + prog = utmp; + else + prog = sh; + args = (opt_cmd) ? opt_cmd : (char *[]) {prog, NULL}; + snprintf(buf, sizeof(buf), "%lu", xw.win); + + unsetenv("COLUMNS"); + unsetenv("LINES"); + unsetenv("TERMCAP"); + setenv("LOGNAME", pw->pw_name, 1); + setenv("USER", pw->pw_name, 1); + setenv("SHELL", sh, 1); + setenv("HOME", pw->pw_dir, 1); + setenv("TERM", termname, 1); setenv("WINDOWID", buf, 1); signal(SIGCHLD, SIG_DFL); @@ -1165,25 +1238,21 @@ execsh(void) { signal(SIGTERM, SIG_DFL); signal(SIGALRM, SIG_DFL); - DEFAULT(envshell, shell); - setenv("TERM", termname, 1); - args = opt_cmd ? opt_cmd : (char *[]){envshell, "-i", NULL}; - execvp(args[0], args); - exit(EXIT_FAILURE); + execvp(prog, args); + _exit(EXIT_FAILURE); } void sigchld(int a) { - int stat = 0; + int stat, ret; if(waitpid(pid, &stat, 0) < 0) - die("Waiting for pid %hd failed: %s\n", pid, SERRNO); + die("Waiting for pid %hd failed: %s\n", pid, strerror(errno)); - if(WIFEXITED(stat)) { - exit(WEXITSTATUS(stat)); - } else { - exit(EXIT_FAILURE); - } + ret = WIFEXITED(stat) ? WEXITSTATUS(stat) : EXIT_FAILURE; + if (ret != EXIT_SUCCESS) + die("child finished with error '%d'\n", stat); + exit(EXIT_SUCCESS); } void @@ -1193,7 +1262,7 @@ ttynew(void) { /* seems to work fine on linux, openbsd and freebsd */ if(openpty(&m, &s, NULL, NULL, &w) < 0) - die("openpty failed: %s\n", SERRNO); + die("openpty failed: %s\n", strerror(errno)); switch(pid = fork()) { case -1: @@ -1205,7 +1274,7 @@ ttynew(void) { dup2(s, STDOUT_FILENO); dup2(s, STDERR_FILENO); if(ioctl(s, TIOCSCTTY, NULL) < 0) - die("ioctl TIOCSCTTY failed: %s\n", SERRNO); + die("ioctl TIOCSCTTY failed: %s\n", strerror(errno)); close(s); close(m); execsh(); @@ -1215,6 +1284,7 @@ ttynew(void) { cmdfd = m; signal(SIGCHLD, sigchld); if(opt_io) { + term.mode |= MODE_PRINT; iofd = (!strcmp(opt_io, "-")) ? STDOUT_FILENO : open(opt_io, O_WRONLY | O_CREAT, 0666); @@ -1223,38 +1293,29 @@ ttynew(void) { opt_io, strerror(errno)); } } + break; } } void -dump(char c) { - static int col; - - fprintf(stderr, " %02x '%c' ", c, isprint(c)?c:'.'); - if(++col % 10 == 0) - fprintf(stderr, "\n"); -} - -void ttyread(void) { static char buf[BUFSIZ]; static int buflen = 0; char *ptr; char s[UTF_SIZ]; int charsize; /* size of utf8 char in bytes */ - long utf8c; + long unicodep; int ret; /* append read bytes to unprocessed bytes */ if((ret = read(cmdfd, buf+buflen, LEN(buf)-buflen)) < 0) - die("Couldn't read from shell: %s\n", SERRNO); + die("Couldn't read from shell: %s\n", strerror(errno)); /* process every complete utf8 char */ buflen += ret; ptr = buf; - while(buflen >= UTF_SIZ || isfullutf8(ptr,buflen)) { - charsize = utf8decode(ptr, &utf8c); - utf8encode(&utf8c, s); + while((charsize = utf8decode(ptr, &unicodep, buflen))) { + utf8encode(unicodep, s, UTF_SIZ); tputc(s, charsize); ptr += charsize; buflen -= charsize; @@ -1262,12 +1323,24 @@ ttyread(void) { /* keep any uncomplete utf8 char for the next call */ memmove(buf, ptr, buflen); + if(term.scr > 0 && term.scr < histsize-1) term.scr++; } void ttywrite(const char *s, size_t n) { - if(write(cmdfd, s, n) == -1) - die("write error on tty: %s\n", SERRNO); + Arg arg = (Arg){ .i = term.scr }; + + kscrolldown(&arg); + + if(xwrite(cmdfd, s, n) == -1) + die("write error on tty: %s\n", strerror(errno)); +} + +void +ttysend(char *s, size_t n) { + ttywrite(s, n); + if(IS_SET(MODE_ECHO)) + techo(s, n); } void @@ -1279,7 +1352,7 @@ ttyresize(void) { w.ws_xpixel = xw.tw; w.ws_ypixel = xw.th; if(ioctl(cmdfd, TIOCSWINSZ, &w) < 0) - fprintf(stderr, "Couldn't set window size: %s\n", SERRNO); + fprintf(stderr, "Couldn't set window size: %s\n", strerror(errno)); } int @@ -1328,13 +1401,14 @@ tfulldirt(void) { void tcursor(int mode) { - static TCursor c; + static TCursor c[2]; + bool alt = IS_SET(MODE_ALTSCREEN); if(mode == CURSOR_SAVE) { - c = term.c; + c[alt] = term.c; } else if(mode == CURSOR_LOAD) { - term.c = c; - tmoveto(c.x, c.y); + term.c = c[alt]; + tmoveto(c[alt].x, c[alt].y); } } @@ -1354,15 +1428,20 @@ treset(void) { term.top = 0; term.bot = term.row - 1; term.mode = MODE_WRAP; + memset(term.trantbl, sizeof(term.trantbl), CS_USA); + term.charset = 0; - tclearregion(0, 0, term.col-1, term.row-1); - tmoveto(0, 0); - tcursor(CURSOR_SAVE); + for(i = 0; i < 2; i++) { + tmoveto(0, 0); + tcursor(CURSOR_SAVE); + tclearregion(0, 0, term.col-1, term.row-1); + tswapscreen(); + } } void tnew(int col, int row) { - memset(&term, 0, sizeof(Term)); + term = (Term){ .c = { .attr = { .fg = defaultfg, .bg = defaultbg } } }; tresize(col, row); term.numlock = 1; @@ -1380,41 +1459,83 @@ tswapscreen(void) { } void -tscrolldown(int orig, int n) { +kscrolldown(const Arg* a) { + int n = a->i; + + if(n < 0) + n = term.row + n; + + if(n > term.scr) + n = term.scr; + + if(term.scr > 0) { + term.scr -= n; + selscroll(0, -n); + tfulldirt(); + } +} + +void +kscrollup(const Arg* a) { + int n = a->i; + + if(n < 0) + n = term.row + n; + + if(term.scr <= histsize - n) { + term.scr += n; + selscroll(0, n); + tfulldirt(); + } +} + +void +tscrolldown(int orig, int n, bool copyhist) { int i; Line temp; LIMIT(n, 0, term.bot-orig+1); + tsetdirt(orig, term.bot-n); + if(copyhist) { + term.histi = (term.histi - 1 + histsize) % histsize; + temp = term.hist[term.histi]; + term.hist[term.histi] = term.line[term.bot]; + term.line[term.bot] = temp; + } + tclearregion(0, term.bot-n+1, term.col-1, term.bot); for(i = term.bot; i >= orig+n; i--) { temp = term.line[i]; term.line[i] = term.line[i-n]; term.line[i-n] = temp; - - term.dirty[i] = 1; - term.dirty[i-n] = 1; } selscroll(orig, n); } void -tscrollup(int orig, int n) { +tscrollup(int orig, int n, bool copyhist) { int i; Line temp; + LIMIT(n, 0, term.bot-orig+1); + if(copyhist) { + term.histi = (term.histi + 1) % histsize; + temp = term.hist[term.histi]; + term.hist[term.histi] = term.line[orig]; + term.line[orig] = temp; + } + tclearregion(0, orig, term.col-1, orig+n-1); + tsetdirt(orig+n, term.bot); for(i = orig; i <= term.bot-n; i++) { - temp = term.line[i]; - term.line[i] = term.line[i+n]; - term.line[i+n] = temp; - - term.dirty[i] = 1; - term.dirty[i+n] = 1; + temp = term.line[i]; + term.line[i] = term.line[i+n]; + term.line[i+n] = temp; } selscroll(orig, -n); @@ -1445,7 +1566,7 @@ selscroll(int orig, int n) { sel.oe.x = term.col; } } - selsort(); + selnormalize(); } } @@ -1454,7 +1575,7 @@ tnewline(int first_col) { int y = term.c.y; if(y == term.bot) { - tscrollup(term.top, 1); + tscrollup(term.top, 1, true); } else { y++; } @@ -1486,7 +1607,8 @@ csiparse(void) { break; p++; } - csiescseq.mode = *p; + csiescseq.mode[0] = *p++; + csiescseq.mode[1] = (p < csiescseq.buf+csiescseq.len) ? *p : '\0'; } /* for absolute user moves, when decom is set */ @@ -1529,13 +1651,22 @@ tsetchar(char *c, Glyph *attr, int x, int y) { /* * The table is proudly stolen from rxvt. */ - if(attr->mode & ATTR_GFX) { - if(c[0] >= 0x41 && c[0] <= 0x7e - && vt100_0[c[0] - 0x41]) { + if(term.trantbl[term.charset] == CS_GRAPHIC0) { + if(BETWEEN(c[0], 0x41, 0x7e) && vt100_0[c[0] - 0x41]) { c = vt100_0[c[0] - 0x41]; } } + if(term.line[y][x].mode & ATTR_WIDE) { + if(x+1 < term.col) { + term.line[y][x+1].c[0] = ' '; + term.line[y][x+1].mode &= ~ATTR_WDUMMY; + } + } else if(term.line[y][x].mode & ATTR_WDUMMY) { + term.line[y][x-1].c[0] = ' '; + term.line[y][x-1].mode &= ~ATTR_WIDE; + } + term.dirty[y] = 1; term.line[y][x] = *attr; memcpy(term.line[y][x].c, c, UTF_SIZ); @@ -1544,6 +1675,7 @@ tsetchar(char *c, Glyph *attr, int x, int y) { void tclearregion(int x1, int y1, int x2, int y2) { int x, y, temp; + Glyph *gp; if(x1 > x2) temp = x1, x1 = x2, x2 = temp; @@ -1558,82 +1690,136 @@ tclearregion(int x1, int y1, int x2, int y2) { for(y = y1; y <= y2; y++) { term.dirty[y] = 1; for(x = x1; x <= x2; x++) { + gp = &term.line[y][x]; if(selected(x, y)) selclear(NULL); - term.line[y][x] = term.c.attr; - memcpy(term.line[y][x].c, " ", 2); + gp->fg = term.c.attr.fg; + gp->bg = term.c.attr.bg; + gp->mode = 0; + memcpy(gp->c, " ", 2); } } } void tdeletechar(int n) { - int src = term.c.x + n; - int dst = term.c.x; - int size = term.col - src; + int dst, src, size; + Glyph *line; - term.dirty[term.c.y] = 1; + LIMIT(n, 0, term.col - term.c.x); - if(src >= term.col) { - tclearregion(term.c.x, term.c.y, term.col-1, term.c.y); - return; - } + dst = term.c.x; + src = term.c.x + n; + size = term.col - src; + line = term.line[term.c.y]; - memmove(&term.line[term.c.y][dst], &term.line[term.c.y][src], - size * sizeof(Glyph)); + memmove(&line[dst], &line[src], size * sizeof(Glyph)); tclearregion(term.col-n, term.c.y, term.col-1, term.c.y); } void tinsertblank(int n) { - int src = term.c.x; - int dst = src + n; - int size = term.col - dst; + int dst, src, size; + Glyph *line; - term.dirty[term.c.y] = 1; + LIMIT(n, 0, term.col - term.c.x); - if(dst >= term.col) { - tclearregion(term.c.x, term.c.y, term.col-1, term.c.y); - return; - } + dst = term.c.x + n; + src = term.c.x; + size = term.col - dst; + line = term.line[term.c.y]; - memmove(&term.line[term.c.y][dst], &term.line[term.c.y][src], - size * sizeof(Glyph)); + memmove(&line[dst], &line[src], size * sizeof(Glyph)); tclearregion(src, term.c.y, dst - 1, term.c.y); } void tinsertblankline(int n) { - if(term.c.y < term.top || term.c.y > term.bot) - return; - - tscrolldown(term.c.y, n); + if(BETWEEN(term.c.y, term.top, term.bot)) + tscrolldown(term.c.y, n, false); } void tdeleteline(int n) { - if(term.c.y < term.top || term.c.y > term.bot) - return; + if(BETWEEN(term.c.y, term.top, term.bot)) + tscrollup(term.c.y, n, false); +} - tscrollup(term.c.y, n); +int32_t +tdefcolor(int *attr, int *npar, int l) { + int32_t idx = -1; + uint r, g, b; + + switch (attr[*npar + 1]) { + case 2: /* direct color in RGB space */ + if (*npar + 4 >= l) { + fprintf(stderr, + "erresc(38): Incorrect number of parameters (%d)\n", + *npar); + break; + } + r = attr[*npar + 2]; + g = attr[*npar + 3]; + b = attr[*npar + 4]; + *npar += 4; + if(!BETWEEN(r, 0, 255) || !BETWEEN(g, 0, 255) || !BETWEEN(b, 0, 255)) + fprintf(stderr, "erresc: bad rgb color (%d,%d,%d)\n", + r, g, b); + else + idx = TRUECOLOR(r, g, b); + break; + case 5: /* indexed color */ + if (*npar + 2 >= l) { + fprintf(stderr, + "erresc(38): Incorrect number of parameters (%d)\n", + *npar); + break; + } + *npar += 2; + if(!BETWEEN(attr[*npar], 0, 255)) + fprintf(stderr, "erresc: bad fgcolor %d\n", attr[*npar]); + else + idx = attr[*npar]; + break; + case 0: /* implemented defined (only foreground) */ + case 1: /* transparent */ + case 3: /* direct color in CMY space */ + case 4: /* direct color in CMYK space */ + default: + fprintf(stderr, + "erresc(38): gfx attr %d unknown\n", attr[*npar]); + break; + } + + return idx; } void tsetattr(int *attr, int l) { int i; + int32_t idx; for(i = 0; i < l; i++) { switch(attr[i]) { case 0: - term.c.attr.mode &= ~(ATTR_REVERSE | ATTR_UNDERLINE \ - | ATTR_BOLD | ATTR_ITALIC \ - | ATTR_BLINK); + term.c.attr.mode &= ~( + ATTR_BOLD | + ATTR_FAINT | + ATTR_ITALIC | + ATTR_UNDERLINE | + ATTR_BLINK | + ATTR_REVERSE | + ATTR_INVISIBLE | + ATTR_STRUCK ); term.c.attr.fg = defaultfg; term.c.attr.bg = defaultbg; break; case 1: term.c.attr.mode |= ATTR_BOLD; break; + case 2: + term.c.attr.mode |= ATTR_FAINT; + break; case 3: term.c.attr.mode |= ATTR_ITALIC; break; @@ -1641,15 +1827,21 @@ tsetattr(int *attr, int l) { term.c.attr.mode |= ATTR_UNDERLINE; break; case 5: /* slow blink */ + /* FALLTHROUGH */ case 6: /* rapid blink */ term.c.attr.mode |= ATTR_BLINK; break; case 7: term.c.attr.mode |= ATTR_REVERSE; break; - case 21: + case 8: + term.c.attr.mode |= ATTR_INVISIBLE; + break; + case 9: + term.c.attr.mode |= ATTR_STRUCK; + break; case 22: - term.c.attr.mode &= ~ATTR_BOLD; + term.c.attr.mode &= ~(ATTR_BOLD | ATTR_FAINT); break; case 23: term.c.attr.mode &= ~ATTR_ITALIC; @@ -1658,46 +1850,27 @@ tsetattr(int *attr, int l) { term.c.attr.mode &= ~ATTR_UNDERLINE; break; case 25: - case 26: term.c.attr.mode &= ~ATTR_BLINK; break; case 27: term.c.attr.mode &= ~ATTR_REVERSE; break; + case 28: + term.c.attr.mode &= ~ATTR_INVISIBLE; + break; + case 29: + term.c.attr.mode &= ~ATTR_STRUCK; + break; case 38: - if(i + 2 < l && attr[i + 1] == 5) { - i += 2; - if(BETWEEN(attr[i], 0, 255)) { - term.c.attr.fg = attr[i]; - } else { - fprintf(stderr, - "erresc: bad fgcolor %d\n", - attr[i]); - } - } else { - fprintf(stderr, - "erresc(38): gfx attr %d unknown\n", - attr[i]); - } + if ((idx = tdefcolor(attr, &i, l)) >= 0) + term.c.attr.fg = idx; break; case 39: term.c.attr.fg = defaultfg; break; case 48: - if(i + 2 < l && attr[i + 1] == 5) { - i += 2; - if(BETWEEN(attr[i], 0, 255)) { - term.c.attr.bg = attr[i]; - } else { - fprintf(stderr, - "erresc: bad bgcolor %d\n", - attr[i]); - } - } else { - fprintf(stderr, - "erresc(48): gfx attr %d unknown\n", - attr[i]); - } + if ((idx = tdefcolor(attr, &i, l)) >= 0) + term.c.attr.bg = idx; break; case 49: term.c.attr.bg = defaultbg; @@ -1736,8 +1909,6 @@ tsetscroll(int t, int b) { term.bot = b; } -#define MODBIT(x, set, bit) ((set) ? ((x) |= (bit)) : ((x) &= ~(bit))) - void tsetmode(bool priv, bool set, int *args, int narg) { int *lim, mode; @@ -1746,7 +1917,6 @@ tsetmode(bool priv, bool set, int *args, int narg) { for(lim = args + narg; args < lim; ++args) { if(priv) { switch(*args) { - break; case 1: /* DECCKM -- Cursor key */ MODBIT(term.mode, set, MODE_APPCURSOR); break; @@ -1754,7 +1924,7 @@ tsetmode(bool priv, bool set, int *args, int narg) { mode = term.mode; MODBIT(term.mode, set, MODE_REVERSE); if(mode != term.mode) - redraw(REDRAW_TIMEOUT); + redraw(); break; case 6: /* DECOM -- Origin */ MODBIT(term.c.state, set, CURSOR_ORIGIN); @@ -1805,12 +1975,15 @@ tsetmode(bool priv, bool set, int *args, int narg) { case 1034: MODBIT(term.mode, set, MODE_8BIT); break; - case 1049: /* = 1047 and 1048 */ - case 47: + case 1049: /* swap screen & set/restore cursor as xterm */ + if (!allowaltscreen) + break; + tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD); + /* FALLTHROUGH */ + case 47: /* swap screen */ case 1047: if (!allowaltscreen) break; - alt = IS_SET(MODE_ALTSCREEN); if(alt) { tclearregion(0, 0, term.col-1, @@ -1820,10 +1993,13 @@ tsetmode(bool priv, bool set, int *args, int narg) { tswapscreen(); if(*args != 1049) break; - /* FALLTRU */ + /* FALLTHROUGH */ case 1048: tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD); break; + case 2004: /* 2004: bracketed paste mode */ + MODBIT(term.mode, set, MODE_BRCKTPASTE); + break; /* Not implemented mouse modes. See comments there. */ case 1001: /* mouse highlight mode; can hang the terminal by design when implemented. */ @@ -1867,7 +2043,10 @@ tsetmode(bool priv, bool set, int *args, int narg) { void csihandle(void) { - switch(csiescseq.mode) { + char buf[40]; + int len; + + switch(csiescseq.mode[0]) { default: unknown: fprintf(stderr, "erresc: unknown csi "); @@ -1887,9 +2066,28 @@ csihandle(void) { DEFAULT(csiescseq.arg[0], 1); tmoveto(term.c.x, term.c.y+csiescseq.arg[0]); break; + case 'i': /* MC -- Media Copy */ + switch(csiescseq.arg[0]) { + case 0: + tdump(); + break; + case 1: + tdumpline(term.c.y); + break; + case 2: + tdumpsel(); + break; + case 4: + term.mode &= ~MODE_PRINT; + break; + case 5: + term.mode |= MODE_PRINT; + break; + } + break; case 'c': /* DA -- Device Attributes */ if(csiescseq.arg[0] == 0) - ttywrite(VT102ID, sizeof(VT102ID) - 1); + ttywrite(vtiden, sizeof(vtiden) - 1); break; case 'C': /* CUF -- Cursor Forward */ case 'a': /* HPR -- Cursor Forward */ @@ -1933,8 +2131,7 @@ csihandle(void) { break; case 'I': /* CHT -- Cursor Forward Tabulation tab stops */ DEFAULT(csiescseq.arg[0], 1); - while(csiescseq.arg[0]--) - tputtab(1); + tputtab(csiescseq.arg[0]); break; case 'J': /* ED -- Clear screen */ selclear(NULL); @@ -1974,11 +2171,11 @@ csihandle(void) { break; case 'S': /* SU -- Scroll line up */ DEFAULT(csiescseq.arg[0], 1); - tscrollup(term.top, csiescseq.arg[0]); + tscrollup(term.top, csiescseq.arg[0], false); break; case 'T': /* SD -- Scroll line down */ DEFAULT(csiescseq.arg[0], 1); - tscrolldown(term.top, csiescseq.arg[0]); + tscrolldown(term.top, csiescseq.arg[0], false); break; case 'L': /* IL -- Insert blank lines */ DEFAULT(csiescseq.arg[0], 1); @@ -2002,8 +2199,7 @@ csihandle(void) { break; case 'Z': /* CBT -- Cursor Backward Tabulation tab stops */ DEFAULT(csiescseq.arg[0], 1); - while(csiescseq.arg[0]--) - tputtab(0); + tputtab(-csiescseq.arg[0]); break; case 'd': /* VPA -- Move to */ DEFAULT(csiescseq.arg[0], 1); @@ -2015,6 +2211,13 @@ csihandle(void) { case 'm': /* SGR -- Terminal attribute (color) */ tsetattr(csiescseq.arg, csiescseq.narg); break; + case 'n': /* DSR – Device Status Report (cursor position) */ + if (csiescseq.arg[0] == 6) { + len = snprintf(buf, sizeof(buf),"\033[%i;%iR", + term.c.y+1, term.c.x+1); + ttywrite(buf, len); + } + break; case 'r': /* DECSTBM -- Set Scrolling Region */ if(csiescseq.priv) { goto unknown; @@ -2031,6 +2234,19 @@ csihandle(void) { case 'u': /* DECRC -- Restore cursor position (ANSI.SYS) */ tcursor(CURSOR_LOAD); break; + case ' ': + switch (csiescseq.mode[1]) { + case 'q': /* DECSCUSR -- Set Cursor Style */ + DEFAULT(csiescseq.arg[0], 1); + if (!BETWEEN(csiescseq.arg[0], 0, 6)) { + goto unknown; + } + xw.cursor = csiescseq.arg[0]; + break; + default: + goto unknown; + } + break; } } @@ -2065,65 +2281,73 @@ csireset(void) { void strhandle(void) { char *p = NULL; - int i, j, narg; + int j, narg, par; + term.esc &= ~(ESC_STR_END|ESC_STR); strparse(); narg = strescseq.narg; + par = atoi(strescseq.args[0]); switch(strescseq.type) { case ']': /* OSC -- Operating System Command */ - switch(i = atoi(strescseq.args[0])) { + switch(par) { case 0: case 1: case 2: if(narg > 1) xsettitle(strescseq.args[1]); - break; + return; case 4: /* color set */ if(narg < 3) break; p = strescseq.args[2]; - /* fall through */ + /* FALLTHROUGH */ case 104: /* color reset, here p = NULL */ j = (narg > 1) ? atoi(strescseq.args[1]) : -1; - if (!xsetcolorname(j, p)) { + if(xsetcolorname(j, p)) { fprintf(stderr, "erresc: invalid color %s\n", p); } else { /* * TODO if defaultbg color is changed, borders * are dirty */ - redraw(0); + redraw(); } - break; - default: - fprintf(stderr, "erresc: unknown str "); - strdump(); - break; + return; } break; case 'k': /* old title set compatibility */ xsettitle(strescseq.args[0]); - break; - case 'P': /* DSC -- Device Control String */ + return; + case 'P': /* DCS -- Device Control String */ case '_': /* APC -- Application Program Command */ case '^': /* PM -- Privacy Message */ - default: - fprintf(stderr, "erresc: unknown str "); - strdump(); - /* die(""); */ - break; + return; } + + fprintf(stderr, "erresc: unknown str "); + strdump(); } void strparse(void) { + int c; char *p = strescseq.buf; strescseq.narg = 0; strescseq.buf[strescseq.len] = '\0'; - while(p && strescseq.narg < STR_ARG_SIZ) - strescseq.args[strescseq.narg++] = strsep(&p, ";"); + + if(*p == '\0') + return; + + while(strescseq.narg < STR_ARG_SIZ) { + strescseq.args[strescseq.narg++] = p; + while((c = *p) != ';' && c != '\0') + ++p; + if(c == '\0') + return; + *p++ = '\0'; + } } void @@ -2157,19 +2381,73 @@ strreset(void) { } void -tputtab(bool forward) { +tprinter(char *s, size_t len) { + if(iofd != -1 && xwrite(iofd, s, len) < 0) { + fprintf(stderr, "Error writing in %s:%s\n", + opt_io, strerror(errno)); + close(iofd); + iofd = -1; + } +} + +void +toggleprinter(const Arg *arg) { + term.mode ^= MODE_PRINT; +} + +void +printscreen(const Arg *arg) { + tdump(); +} + +void +printsel(const Arg *arg) { + tdumpsel(); +} + +void +tdumpsel(void) { + char *ptr; + + if((ptr = getsel())) { + tprinter(ptr, strlen(ptr)); + free(ptr); + } +} + +void +tdumpline(int n) { + Glyph *bp, *end; + + bp = &term.line[n][0]; + end = &bp[MIN(tlinelen(n), term.col) - 1]; + if(bp != end || bp->c[0] != ' ') { + for( ;bp <= end; ++bp) + tprinter(bp->c, utf8len(bp->c)); + } + tprinter("\n", 1); +} + +void +tdump(void) { + int i; + + for(i = 0; i < term.row; ++i) + tdumpline(i); +} + +void +tputtab(int n) { uint x = term.c.x; - if(forward) { - if(x == term.col) - return; - for(++x; x < term.col && !term.tabs[x]; ++x) - /* nothing */ ; - } else { - if(x == 0) - return; - for(--x; x > 0 && !term.tabs[x]; --x) - /* nothing */ ; + if(n > 0) { + while(x < term.col && n--) + for(++x; x < term.col && !term.tabs[x]; ++x) + /* nothing */ ; + } else if(n < 0) { + while(x > 0 && n++) + for(--x; x > 0 && !term.tabs[x]; --x) + /* nothing */ ; } tmoveto(x, term.c.y); } @@ -2179,12 +2457,13 @@ techo(char *buf, int len) { for(; len > 0; buf++, len--) { char c = *buf; - if(c == '\033') { /* escape */ - tputc("^", 1); - tputc("[", 1); - } else if(c < '\x20') { /* control code */ - if(c != '\n' && c != '\r' && c != '\t') { - c |= '\x40'; + if(ISCONTROL((uchar) c)) { /* control code */ + if(c & 0x80) { + c &= 0x7f; + tputc("^", 1); + tputc("[", 1); + } else if(c != '\n' && c != '\r' && c != '\t') { + c ^= 0x40; tputc("^", 1); } tputc(&c, 1); @@ -2197,53 +2476,278 @@ techo(char *buf, int len) { } void +tdeftran(char ascii) { + static char cs[] = "0B"; + static int vcs[] = {CS_GRAPHIC0, CS_USA}; + char *p; + + if((p = strchr(cs, ascii)) == NULL) { + fprintf(stderr, "esc unhandled charset: ESC ( %c\n", ascii); + } else { + term.trantbl[term.icharset] = vcs[p - cs]; + } +} + +void +tdectest(char c) { + static char E[UTF_SIZ] = "E"; + int x, y; + + if(c == '8') { /* DEC screen alignment test. */ + for(x = 0; x < term.col; ++x) { + for(y = 0; y < term.row; ++y) + tsetchar(E, &term.c.attr, x, y); + } + } +} + +void +tstrsequence(uchar c) { + if (c & 0x80) { + switch (c) { + case 0x90: /* DCS -- Device Control String */ + c = 'P'; + break; + case 0x9f: /* APC -- Application Program Command */ + c = '_'; + break; + case 0x9e: /* PM -- Privacy Message */ + c = '^'; + break; + case 0x9d: /* OSC -- Operating System Command */ + c = ']'; + break; + } + } + strreset(); + strescseq.type = c; + term.esc |= ESC_STR; + return; +} + +void +tcontrolcode(uchar ascii) { + static char question[UTF_SIZ] = "?"; + + switch(ascii) { + case '\t': /* HT */ + tputtab(1); + return; + case '\b': /* BS */ + tmoveto(term.c.x-1, term.c.y); + return; + case '\r': /* CR */ + tmoveto(0, term.c.y); + return; + case '\f': /* LF */ + case '\v': /* VT */ + case '\n': /* LF */ + /* go to first col if the mode is set */ + tnewline(IS_SET(MODE_CRLF)); + return; + case '\a': /* BEL */ + if(term.esc & ESC_STR_END) { + /* backwards compatibility to xterm */ + strhandle(); + } else { + if(!(xw.state & WIN_FOCUSED)) + xseturgency(1); + if (bellvolume) + XkbBell(xw.dpy, xw.win, bellvolume, (Atom)NULL); + } + break; + case '\033': /* ESC */ + csireset(); + term.esc &= ~(ESC_CSI|ESC_ALTCHARSET|ESC_TEST); + term.esc |= ESC_START; + return; + case '\016': /* SO (LS1 -- Locking shift 1) */ + case '\017': /* SI (LS0 -- Locking shift 0) */ + term.charset = 1 - (ascii - '\016'); + return; + case '\032': /* SUB */ + tsetchar(question, &term.c.attr, term.c.x, term.c.y); + case '\030': /* CAN */ + csireset(); + break; + case '\005': /* ENQ (IGNORED) */ + case '\000': /* NUL (IGNORED) */ + case '\021': /* XON (IGNORED) */ + case '\023': /* XOFF (IGNORED) */ + case 0177: /* DEL (IGNORED) */ + return; + case 0x84: /* TODO: IND */ + break; + case 0x85: /* NEL -- Next line */ + tnewline(1); /* always go to first col */ + break; + case 0x88: /* HTS -- Horizontal tab stop */ + term.tabs[term.c.x] = 1; + break; + case 0x8d: /* TODO: RI */ + case 0x8e: /* TODO: SS2 */ + case 0x8f: /* TODO: SS3 */ + case 0x98: /* TODO: SOS */ + break; + case 0x9a: /* DECID -- Identify Terminal */ + ttywrite(vtiden, sizeof(vtiden) - 1); + break; + case 0x9b: /* TODO: CSI */ + case 0x9c: /* TODO: ST */ + break; + case 0x90: /* DCS -- Device Control String */ + case 0x9f: /* APC -- Application Program Command */ + case 0x9e: /* PM -- Privacy Message */ + case 0x9d: /* OSC -- Operating System Command */ + tstrsequence(ascii); + return; + } + /* only CAN, SUB, \a and C1 chars interrupt a sequence */ + term.esc &= ~(ESC_STR_END|ESC_STR); + return; +} + +/* + * returns 1 when the sequence is finished and it hasn't to read + * more characters for this sequence, otherwise 0 + */ +int +eschandle(uchar ascii) { + switch(ascii) { + case '[': + term.esc |= ESC_CSI; + return 0; + case '#': + term.esc |= ESC_TEST; + return 0; + case 'P': /* DCS -- Device Control String */ + case '_': /* APC -- Application Program Command */ + case '^': /* PM -- Privacy Message */ + case ']': /* OSC -- Operating System Command */ + case 'k': /* old title set compatibility */ + tstrsequence(ascii); + return 0; + case 'n': /* LS2 -- Locking shift 2 */ + case 'o': /* LS3 -- Locking shift 3 */ + term.charset = 2 + (ascii - 'n'); + break; + case '(': /* GZD4 -- set primary charset G0 */ + case ')': /* G1D4 -- set secondary charset G1 */ + case '*': /* G2D4 -- set tertiary charset G2 */ + case '+': /* G3D4 -- set quaternary charset G3 */ + term.icharset = ascii - '('; + term.esc |= ESC_ALTCHARSET; + return 0; + case 'D': /* IND -- Linefeed */ + if(term.c.y == term.bot) { + tscrollup(term.top, 1, true); + } else { + tmoveto(term.c.x, term.c.y+1); + } + break; + case 'E': /* NEL -- Next line */ + tnewline(1); /* always go to first col */ + break; + case 'H': /* HTS -- Horizontal tab stop */ + term.tabs[term.c.x] = 1; + break; + case 'M': /* RI -- Reverse index */ + if(term.c.y == term.top) { + tscrolldown(term.top, 1, true); + } else { + tmoveto(term.c.x, term.c.y-1); + } + break; + case 'Z': /* DECID -- Identify Terminal */ + ttywrite(vtiden, sizeof(vtiden) - 1); + break; + case 'c': /* RIS -- Reset to inital state */ + treset(); + xresettitle(); + xloadcols(); + break; + case '=': /* DECPAM -- Application keypad */ + term.mode |= MODE_APPKEYPAD; + break; + case '>': /* DECPNM -- Normal keypad */ + term.mode &= ~MODE_APPKEYPAD; + break; + case '7': /* DECSC -- Save Cursor */ + tcursor(CURSOR_SAVE); + break; + case '8': /* DECRC -- Restore Cursor */ + tcursor(CURSOR_LOAD); + break; + case '\\': /* ST -- String Terminator */ + if(term.esc & ESC_STR_END) + strhandle(); + break; + default: + fprintf(stderr, "erresc: unknown sequence ESC 0x%02X '%c'\n", + (uchar) ascii, isprint(ascii)? ascii:'.'); + break; + } + return 1; +} + +void tputc(char *c, int len) { - uchar ascii = *c; - bool control = ascii < '\x20' || ascii == 0177; + uchar ascii; + bool control; + long unicodep; + int width; + Glyph *gp; - if(iofd != -1) { - if(xwrite(iofd, c, len) < 0) { - fprintf(stderr, "Error writing in %s:%s\n", - opt_io, strerror(errno)); - close(iofd); - iofd = -1; + if(len == 1) { + width = 1; + unicodep = ascii = *c; + } else { + utf8decode(c, &unicodep, UTF_SIZ); + if ((width = wcwidth(unicodep)) == -1) { + c = "\357\277\275"; /* UTF_INVALID */ + width = 1; } + control = ISCONTROLC1(unicodep); + ascii = unicodep; } + if(IS_SET(MODE_PRINT)) + tprinter(c, len); + control = ISCONTROL(unicodep); + /* - * STR sequences must be checked before anything else - * because it can use some control codes as part of the sequence. + * STR sequence must be checked before anything else + * because it uses all following characters until it + * receives a ESC, a SUB, a ST or any other C1 control + * character. */ if(term.esc & ESC_STR) { - switch(ascii) { - case '\033': - term.esc = ESC_START | ESC_STR_END; - break; - case '\a': /* backwards compatibility to xterm */ - term.esc = 0; - strhandle(); - break; - default: - if(strescseq.len + len < sizeof(strescseq.buf) - 1) { - memmove(&strescseq.buf[strescseq.len], c, len); - strescseq.len += len; - } else { - /* - * Here is a bug in terminals. If the user never sends - * some code to stop the str or esc command, then st - * will stop responding. But this is better than - * silently failing with unknown characters. At least - * then users will report back. - * - * In the case users ever get fixed, here is the code: - */ - /* - * term.esc = 0; - * strhandle(); - */ - } + if(width == 1 && + (ascii == '\a' || ascii == 030 || + ascii == 032 || ascii == 033 || + ISCONTROLC1(unicodep))) { + term.esc &= ~(ESC_START|ESC_STR); + term.esc |= ESC_STR_END; + } else if(strescseq.len + len < sizeof(strescseq.buf) - 1) { + memmove(&strescseq.buf[strescseq.len], c, len); + strescseq.len += len; + return; + } else { + /* + * Here is a bug in terminals. If the user never sends + * some code to stop the str or esc command, then st + * will stop responding. But this is better than + * silently failing with unknown characters. At least + * then users will report back. + * + * In the case users ever get fixed, here is the code: + */ + /* + * term.esc = 0; + * strhandle(); + */ + return; } - return; } /* @@ -2252,50 +2756,11 @@ tputc(char *c, int len) { * they must not cause conflicts with sequences. */ if(control) { - switch(ascii) { - case '\t': /* HT */ - tputtab(1); - return; - case '\b': /* BS */ - tmoveto(term.c.x-1, term.c.y); - return; - case '\r': /* CR */ - tmoveto(0, term.c.y); - return; - case '\f': /* LF */ - case '\v': /* VT */ - case '\n': /* LF */ - /* go to first col if the mode is set */ - tnewline(IS_SET(MODE_CRLF)); - return; - case '\a': /* BEL */ - if(!(xw.state & WIN_FOCUSED)) - xseturgency(1); - return; - case '\033': /* ESC */ - csireset(); - term.esc = ESC_START; - return; - case '\016': /* SO */ - case '\017': /* SI */ - /* - * Different charsets are hard to handle. Applications - * should use the right alt charset escapes for the - * only reason they still exist: line drawing. The - * rest is incompatible history st should not support. - */ - return; - case '\032': /* SUB */ - case '\030': /* CAN */ - csireset(); - return; - case '\005': /* ENQ (IGNORED) */ - case '\000': /* NUL (IGNORED) */ - case '\021': /* XON (IGNORED) */ - case '\023': /* XOFF (IGNORED) */ - case 0177: /* DEL (IGNORED) */ - return; - } + tcontrolcode(ascii); + /* + * control codes are not shown ever + */ + return; } else if(term.esc & ESC_START) { if(term.esc & ESC_CSI) { csiescseq.buf[csiescseq.len++] = ascii; @@ -2306,165 +2771,71 @@ tputc(char *c, int len) { csiparse(); csihandle(); } - } else if(term.esc & ESC_STR_END) { - term.esc = 0; - if(ascii == '\\') - strhandle(); + return; } else if(term.esc & ESC_ALTCHARSET) { - switch(ascii) { - case '0': /* Line drawing set */ - term.c.attr.mode |= ATTR_GFX; - break; - case 'B': /* USASCII */ - term.c.attr.mode &= ~ATTR_GFX; - break; - case 'A': /* UK (IGNORED) */ - case '<': /* multinational charset (IGNORED) */ - case '5': /* Finnish (IGNORED) */ - case 'C': /* Finnish (IGNORED) */ - case 'K': /* German (IGNORED) */ - break; - default: - fprintf(stderr, "esc unhandled charset: ESC ( %c\n", ascii); - } - term.esc = 0; + tdeftran(ascii); } else if(term.esc & ESC_TEST) { - if(ascii == '8') { /* DEC screen alignment test. */ - char E[UTF_SIZ] = "E"; - int x, y; - - for(x = 0; x < term.col; ++x) { - for(y = 0; y < term.row; ++y) - tsetchar(E, &term.c.attr, x, y); - } - } - term.esc = 0; + tdectest(ascii); } else { - switch(ascii) { - case '[': - term.esc |= ESC_CSI; - break; - case '#': - term.esc |= ESC_TEST; - break; - case 'P': /* DCS -- Device Control String */ - case '_': /* APC -- Application Program Command */ - case '^': /* PM -- Privacy Message */ - case ']': /* OSC -- Operating System Command */ - case 'k': /* old title set compatibility */ - strreset(); - strescseq.type = ascii; - term.esc |= ESC_STR; - break; - case '(': /* set primary charset G0 */ - term.esc |= ESC_ALTCHARSET; - break; - case ')': /* set secondary charset G1 (IGNORED) */ - case '*': /* set tertiary charset G2 (IGNORED) */ - case '+': /* set quaternary charset G3 (IGNORED) */ - term.esc = 0; - break; - case 'D': /* IND -- Linefeed */ - if(term.c.y == term.bot) { - tscrollup(term.top, 1); - } else { - tmoveto(term.c.x, term.c.y+1); - } - term.esc = 0; - break; - case 'E': /* NEL -- Next line */ - tnewline(1); /* always go to first col */ - term.esc = 0; - break; - case 'H': /* HTS -- Horizontal tab stop */ - term.tabs[term.c.x] = 1; - term.esc = 0; - break; - case 'M': /* RI -- Reverse index */ - if(term.c.y == term.top) { - tscrolldown(term.top, 1); - } else { - tmoveto(term.c.x, term.c.y-1); - } - term.esc = 0; - break; - case 'Z': /* DECID -- Identify Terminal */ - ttywrite(VT102ID, sizeof(VT102ID) - 1); - term.esc = 0; - break; - case 'c': /* RIS -- Reset to inital state */ - treset(); - term.esc = 0; - xresettitle(); - break; - case '=': /* DECPAM -- Application keypad */ - term.mode |= MODE_APPKEYPAD; - term.esc = 0; - break; - case '>': /* DECPNM -- Normal keypad */ - term.mode &= ~MODE_APPKEYPAD; - term.esc = 0; - break; - case '7': /* DECSC -- Save Cursor */ - tcursor(CURSOR_SAVE); - term.esc = 0; - break; - case '8': /* DECRC -- Restore Cursor */ - tcursor(CURSOR_LOAD); - term.esc = 0; - break; - case '\\': /* ST -- Stop */ - term.esc = 0; - break; - default: - fprintf(stderr, "erresc: unknown sequence ESC 0x%02X '%c'\n", - (uchar) ascii, isprint(ascii)? ascii:'.'); - term.esc = 0; - } + if (!eschandle(ascii)) + return; + /* sequence already finished */ } + term.esc = 0; /* * All characters which form part of a sequence are not * printed */ return; } - /* - * Display control codes only if we are in graphic mode - */ - if(control && !(term.c.attr.mode & ATTR_GFX)) - return; if(sel.ob.x != -1 && BETWEEN(term.c.y, sel.ob.y, sel.oe.y)) selclear(NULL); + + gp = &term.line[term.c.y][term.c.x]; if(IS_SET(MODE_WRAP) && (term.c.state & CURSOR_WRAPNEXT)) { - term.line[term.c.y][term.c.x].mode |= ATTR_WRAP; + gp->mode |= ATTR_WRAP; tnewline(1); + gp = &term.line[term.c.y][term.c.x]; } - if(IS_SET(MODE_INSERT) && term.c.x+1 < term.col) { - memmove(&term.line[term.c.y][term.c.x+1], - &term.line[term.c.y][term.c.x], - (term.col - term.c.x - 1) * sizeof(Glyph)); + if(IS_SET(MODE_INSERT) && term.c.x+width < term.col) + memmove(gp+width, gp, (term.col - term.c.x - width) * sizeof(Glyph)); + + if(term.c.x+width > term.col) { + tnewline(1); + gp = &term.line[term.c.y][term.c.x]; } tsetchar(c, &term.c.attr, term.c.x, term.c.y); - if(term.c.x+1 < term.col) { - tmoveto(term.c.x+1, term.c.y); + + if(width == 2) { + gp->mode |= ATTR_WIDE; + if(term.c.x+1 < term.col) { + gp[1].c[0] = '\0'; + gp[1].mode = ATTR_WDUMMY; + } + } + if(term.c.x+width < term.col) { + tmoveto(term.c.x+width, term.c.y); } else { term.c.state |= CURSOR_WRAPNEXT; } } -int +void tresize(int col, int row) { - int i; + int i, j; int minrow = MIN(row, term.row); int mincol = MIN(col, term.col); int slide = term.c.y - row + 1; bool *bp; - Line *orig; + TCursor c; - if(col < 1 || row < 1) - return 0; + if(col < 1 || row < 1) { + fprintf(stderr, + "tresize: error resizing to %dx%d\n", col, row); + return; + } /* free unneeded rows */ i = 0; @@ -2489,21 +2860,28 @@ tresize(int col, int row) { /* resize to new height */ term.line = xrealloc(term.line, row * sizeof(Line)); term.alt = xrealloc(term.alt, row * sizeof(Line)); + term.hist = xrealloc(term.hist, histsize * sizeof(Line)); term.dirty = xrealloc(term.dirty, row * sizeof(*term.dirty)); term.tabs = xrealloc(term.tabs, col * sizeof(*term.tabs)); + for(i = 0; i < histsize; i++) { + term.hist[i] = xrealloc(term.hist[i], col * sizeof(Glyph)); + for(j = mincol; j < col; j++) { + term.hist[i][j] = term.c.attr; + memcpy(term.hist[i][j].c, " ", 2); + } + } + /* resize each row to new width, zero-pad if needed */ for(i = 0; i < minrow; i++) { - term.dirty[i] = 1; term.line[i] = xrealloc(term.line[i], col * sizeof(Glyph)); term.alt[i] = xrealloc(term.alt[i], col * sizeof(Glyph)); } /* allocate any new rows */ for(/* i == minrow */; i < row; i++) { - term.dirty[i] = 1; - term.line[i] = xcalloc(col, sizeof(Glyph)); - term.alt [i] = xcalloc(col, sizeof(Glyph)); + term.line[i] = xmalloc(col * sizeof(Glyph)); + term.alt[i] = xmalloc(col * sizeof(Glyph)); } if(col > term.col) { bp = term.tabs + term.col; @@ -2521,9 +2899,9 @@ tresize(int col, int row) { tsetscroll(0, row-1); /* make use of the LIMIT in tmoveto */ tmoveto(term.c.x, term.c.y); - /* Clearing both screens */ - orig = term.line; - do { + /* Clearing both screens (it makes dirty all lines) */ + c = term.c; + for(i = 0; i < 2; i++) { if(mincol < col && 0 < minrow) { tclearregion(mincol, 0, col - 1, minrow - 1); } @@ -2531,9 +2909,9 @@ tresize(int col, int row) { tclearregion(0, minrow, col - 1, row - 1); } tswapscreen(); - } while(orig != term.line); - - return (slide > 0); + tcursor(CURSOR_LOAD); + } + term.c = c; } void @@ -2555,10 +2933,17 @@ sixd_to_16bit(int x) { void xloadcols(void) { - int i, r, g, b; + int i; XRenderColor color = { .alpha = 0xffff }; + static bool loaded; + Color *cp; + + if(loaded) { + for (cp = dc.col; cp < dc.col + LEN(dc.col); ++cp) + XftColorFree(xw.dpy, xw.vis, xw.cmap, cp); + } - /* load colors [0-15] colors and [256-LEN(colorname)[ (config.h) */ + /* load colors [0-15] and [256-LEN(colorname)] (config.h) */ for(i = 0; i < LEN(colorname); i++) { if(!colorname[i]) continue; @@ -2567,60 +2952,66 @@ xloadcols(void) { } } - /* load colors [16-255] ; same colors as xterm */ - for(i = 16, r = 0; r < 6; r++) { - for(g = 0; g < 6; g++) { - for(b = 0; b < 6; b++) { - color.red = sixd_to_16bit(r); - color.green = sixd_to_16bit(g); - color.blue = sixd_to_16bit(b); - if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &dc.col[i])) { - die("Could not allocate color %d\n", i); - } - i++; - } - } + /* load colors [16-231] ; same colors as xterm */ + for(i = 16; i < 6*6*6+16; i++) { + 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 ); + if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &dc.col[i])) + die("Could not allocate color %d\n", i); } - for(r = 0; r < 24; r++, i++) { - color.red = color.green = color.blue = 0x0808 + 0x0a0a * r; - if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, - &dc.col[i])) { + /* load colors [232-255] ; grayscale */ + for(; i < 256; i++) { + color.red = color.green = color.blue = 0x0808 + 0x0a0a * (i-(6*6*6+16)); + if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &dc.col[i])) die("Could not allocate color %d\n", i); - } } + loaded = true; } int xsetcolorname(int x, const char *name) { XRenderColor color = { .alpha = 0xffff }; - Colour colour; - if (x < 0 || x > LEN(colorname)) - return -1; + Color ncolor; + + if(!BETWEEN(x, 0, LEN(colorname))) + return 1; + if(!name) { - if(16 <= x && x < 16 + 216) { - int r = (x - 16) / 36, g = ((x - 16) % 36) / 6, b = (x - 16) % 6; - color.red = sixd_to_16bit(r); - color.green = sixd_to_16bit(g); - color.blue = sixd_to_16bit(b); - if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &colour)) - return 0; /* something went wrong */ - dc.col[x] = colour; - return 1; - } else if (16 + 216 <= x && x < 256) { - color.red = color.green = color.blue = 0x0808 + 0x0a0a * (x - (16 + 216)); - if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &colour)) - return 0; /* something went wrong */ - dc.col[x] = colour; - return 1; - } else { + if(BETWEEN(x, 16, 16 + 215)) { /* 256 color */ + color.red = sixd_to_16bit( ((x-16)/36)%6 ); + color.green = sixd_to_16bit( ((x-16)/6) %6 ); + color.blue = sixd_to_16bit( ((x-16)/1) %6 ); + if(!XftColorAllocValue(xw.dpy, xw.vis, + xw.cmap, &color, &ncolor)) { + return 1; + } + + XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]); + dc.col[x] = ncolor; + return 0; + } else if(BETWEEN(x, 16 + 216, 255)) { /* greyscale */ + color.red = color.green = color.blue = \ + 0x0808 + 0x0a0a * (x - (16 + 216)); + if(!XftColorAllocValue(xw.dpy, xw.vis, + xw.cmap, &color, &ncolor)) { + return 1; + } + + XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]); + dc.col[x] = ncolor; + return 0; + } else { /* system colors */ name = colorname[x]; } } - if(!XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, &colour)) - return 0; - dc.col[x] = colour; - return 1; + if(!XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, &ncolor)) + return 1; + + XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]); + dc.col[x] = ncolor; + return 0; } void @@ -2650,25 +3041,45 @@ xhints(void) { XSizeHints *sizeh = NULL; sizeh = XAllocSizeHints(); - if(xw.isfixed == False) { - sizeh->flags = PSize | PResizeInc | PBaseSize; - sizeh->height = xw.h; - sizeh->width = xw.w; - sizeh->height_inc = xw.ch; - sizeh->width_inc = xw.cw; - sizeh->base_height = 2 * borderpx; - sizeh->base_width = 2 * borderpx; - } else { - sizeh->flags = PMaxSize | PMinSize; - sizeh->min_width = sizeh->max_width = xw.fw; - sizeh->min_height = sizeh->max_height = xw.fh; + + sizeh->flags = PSize | PResizeInc | PBaseSize; + sizeh->height = xw.h; + sizeh->width = xw.w; + sizeh->height_inc = xw.ch; + sizeh->width_inc = xw.cw; + sizeh->base_height = 2 * borderpx; + sizeh->base_width = 2 * borderpx; + if(xw.isfixed == True) { + sizeh->flags |= PMaxSize | PMinSize; + sizeh->min_width = sizeh->max_width = xw.w; + sizeh->min_height = sizeh->max_height = xw.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); + 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 *match; FcResult result; @@ -2697,10 +3108,11 @@ xloadfont(Font *f, FcPattern *pattern) { } void -xloadfonts(char *fontstr, int fontsize) { +xloadfonts(char *fontstr, double fontsize) { FcPattern *pattern; - FcResult result; + FcResult r_sz, r_psz; double fontval; + float ceilf(float); if(fontstr[0] == '-') { pattern = XftXlfdParse(fontstr, False, False); @@ -2711,14 +3123,18 @@ xloadfonts(char *fontstr, int fontsize) { if(!pattern) die("st: can't open font %s\n", fontstr); - if(fontsize > 0) { + if(fontsize > 1) { FcPatternDel(pattern, FC_PIXEL_SIZE); + FcPatternDel(pattern, FC_SIZE); FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)fontsize); usedfontsize = fontsize; } else { - result = FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval); - if(result == FcResultMatch) { - usedfontsize = (int)fontval; + r_psz = FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval); + r_sz = FcPatternGetDouble(pattern, FC_SIZE, 0, &fontval); + if(r_psz == FcResultMatch) { + usedfontsize = fontval; + } else if(r_sz == FcResultMatch) { + usedfontsize = -1; } else { /* * Default font size is 12, if none given. This is to @@ -2727,6 +3143,7 @@ xloadfonts(char *fontstr, int fontsize) { FcPatternAddDouble(pattern, FC_PIXEL_SIZE, 12); usedfontsize = 12; } + defaultfontsize = usedfontsize; } FcConfigSubstitute(0, pattern, FcMatchPattern); @@ -2735,9 +3152,17 @@ xloadfonts(char *fontstr, int fontsize) { if(xloadfont(&dc.font, pattern)) die("st: 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. */ - xw.cw = dc.font.width; - xw.ch = dc.font.height; + xw.cw = ceilf(dc.font.width * cwscale); + xw.ch = ceilf(dc.font.height * chscale); FcPatternDel(pattern, FC_SLANT); FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC); @@ -2776,13 +3201,9 @@ xunloadfont(Font *f) { void xunloadfonts(void) { - int i; - /* Free the loaded fonts in the font cache. */ - for(i = 0; i < frclen; i++) { - XftFontClose(xw.dpy, frc[i].font); - } - frclen = 0; + while(frclen > 0) + XftFontClose(xw.dpy, frc[--frclen].font); xunloadfont(&dc.font); xunloadfont(&dc.bfont); @@ -2792,10 +3213,29 @@ xunloadfonts(void) { void xzoom(const Arg *arg) { + Arg larg; + + larg.i = usedfontsize + arg->i; + xzoomabs(&larg); +} + +void +xzoomabs(const Arg *arg) { xunloadfonts(); - xloadfonts(usedfont, usedfontsize + arg->i); + xloadfonts(usedfont, arg->i); cresize(0, 0); - redraw(0); + redraw(); + xhints(); +} + +void +xzoomreset(const Arg *arg) { + Arg larg; + + if(defaultfontsize > 0) { + larg.i = defaultfontsize; + xzoomabs(&larg); + } } void @@ -2803,7 +3243,7 @@ xinit(void) { XGCValues gcvalues; Cursor cursor; Window parent; - int sw, sh; + pid_t thispid = getpid(); if(!(xw.dpy = XOpenDisplay(NULL))) die("Can't open display\n"); @@ -2822,23 +3262,12 @@ xinit(void) { xloadcols(); /* adjust fixed window geometry */ - if(xw.isfixed) { - sw = DisplayWidth(xw.dpy, xw.scr); - sh = DisplayHeight(xw.dpy, xw.scr); - if(xw.fx < 0) - xw.fx = sw + xw.fx - xw.fw - 1; - if(xw.fy < 0) - xw.fy = sh + xw.fy - xw.fh - 1; - - xw.h = xw.fh; - xw.w = xw.fw; - } else { - /* window - default size */ - xw.h = 2 * borderpx + term.row * xw.ch; - xw.w = 2 * borderpx + term.col * xw.cw; - xw.fx = 0; - xw.fy = 0; - } + xw.w = 2 * borderpx + term.col * xw.cw; + xw.h = 2 * borderpx + term.row * xw.ch; + if(xw.gm & XNegative) + xw.l += DisplayWidth(xw.dpy, xw.scr) - xw.w - 2; + if(xw.gm & YNegative) + xw.t += DisplayWidth(xw.dpy, xw.scr) - xw.h - 2; /* Events */ xw.attrs.background_pixel = dc.col[defaultbg].pixel; @@ -2849,9 +3278,9 @@ xinit(void) { | ButtonMotionMask | ButtonPressMask | ButtonReleaseMask; xw.attrs.colormap = xw.cmap; - parent = opt_embed ? strtol(opt_embed, NULL, 0) : \ - XRootWindow(xw.dpy, xw.scr); - xw.win = XCreateWindow(xw.dpy, parent, xw.fx, xw.fy, + 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, xw.w, xw.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput, xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity | CWEventMask | CWColormap, &xw.attrs); @@ -2895,30 +3324,36 @@ xinit(void) { 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); + xresettitle(); XMapWindow(xw.dpy, xw.win); xhints(); - XSync(xw.dpy, 0); + XSync(xw.dpy, False); } void xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) { int winx = borderpx + x * xw.cw, winy = borderpx + y * xw.ch, width = charlen * xw.cw, xp, i; - int frcflags; + int frcflags, charexists; int u8fl, u8fblen, u8cblen, doesexist; char *u8c, *u8fs; - long u8char; + long unicodep; Font *font = &dc.font; FcResult fcres; FcPattern *fcpattern, *fontpattern; FcFontSet *fcsets[] = { NULL }; FcCharSet *fccharset; - Colour *fg, *bg, *temp, revfg, revbg; + Color *fg, *bg, *temp, revfg, revbg, truefg, truebg; XRenderColor colfg, colbg; - Rectangle r; + XRectangle r; + int oneatatime; frcflags = FRC_NORMAL; @@ -2936,28 +3371,44 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) { if(base.fg == defaultfg) base.fg = defaultunderline; } - fg = &dc.col[base.fg]; - bg = &dc.col[base.bg]; + + 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]; + } if(base.mode & ATTR_BOLD) { - if(BETWEEN(base.fg, 0, 7)) { - /* basic system colors */ - fg = &dc.col[base.fg + 8]; - } else if(BETWEEN(base.fg, 16, 195)) { - /* 256 colors */ - fg = &dc.col[base.fg + 36]; - } else if(BETWEEN(base.fg, 232, 251)) { - /* greyscale */ - fg = &dc.col[base.fg + 4]; - } /* - * Those ranges will not be brightened: - * 8 - 15 – bright system colors - * 196 - 231 – highest 256 color cube - * 252 - 255 – brightest colors in greyscale + * change basic system colors [0-7] + * to bright system colors [8-15] */ - font = &dc.bfont; - frcflags = FRC_BOLD; + if(BETWEEN(base.fg, 0, 7) && !(base.mode & ATTR_FAINT)) + fg = &dc.col[base.fg + 8]; + + if(base.mode & ATTR_ITALIC) { + font = &dc.ibfont; + frcflags = FRC_ITALICBOLD; + } else { + font = &dc.bfont; + frcflags = FRC_BOLD; + } } if(IS_SET(MODE_REVERSE)) { @@ -2968,7 +3419,8 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) { colfg.green = ~fg->color.green; colfg.blue = ~fg->color.blue; colfg.alpha = fg->color.alpha; - XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &revfg); + XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, + &revfg); fg = &revfg; } @@ -2979,7 +3431,8 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) { colbg.green = ~bg->color.green; colbg.blue = ~bg->color.blue; colbg.alpha = bg->color.alpha; - XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, &revbg); + XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, + &revbg); bg = &revbg; } } @@ -2990,9 +3443,20 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) { bg = temp; } + if(base.mode & ATTR_FAINT && !(base.mode & ATTR_BOLD)) { + colfg.red = fg->color.red / 2; + colfg.green = fg->color.green / 2; + colfg.blue = fg->color.blue / 2; + XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &revfg); + fg = &revfg; + } + if(base.mode & ATTR_BLINK && term.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, @@ -3027,43 +3491,46 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) { u8fs = s; u8fblen = 0; u8fl = 0; + oneatatime = font->width != xw.cw; for(;;) { u8c = s; - u8cblen = utf8decode(s, &u8char); + u8cblen = utf8decode(s, &unicodep, UTF_SIZ); s += u8cblen; bytelen -= u8cblen; - doesexist = XftCharExists(xw.dpy, font->match, u8char); - if(!doesexist || bytelen <= 0) { - if(bytelen <= 0) { - if(doesexist) { - u8fl++; - u8fblen += u8cblen; - } - } - - if(u8fl > 0) { - XftDrawStringUtf8(xw.draw, fg, - font->match, xp, - winy + font->ascent, - (FcChar8 *)u8fs, - u8fblen); - xp += font->width * u8fl; - - } - break; + doesexist = XftCharExists(xw.dpy, font->match, unicodep); + if(doesexist) { + u8fl++; + u8fblen += u8cblen; + if(!oneatatime && bytelen > 0) + continue; } - u8fl++; - u8fblen += u8cblen; + if(u8fl > 0) { + XftDrawStringUtf8(xw.draw, fg, + font->match, xp, + winy + font->ascent, + (FcChar8 *)u8fs, + u8fblen); + xp += xw.cw * u8fl; + } + break; } - if(doesexist) + if(doesexist) { + if(oneatatime) + continue; break; + } /* Search the font cache. */ for(i = 0; i < frclen; i++) { - if(XftCharExists(xw.dpy, frc[i].font, u8char) - && frc[i].flags == frcflags) { + charexists = XftCharExists(xw.dpy, frc[i].font, unicodep); + /* Everything correct. */ + if(charexists && frc[i].flags == frcflags) + break; + /* We got a default font for a not found glyph. */ + if(!charexists && frc[i].flags == frcflags \ + && frc[i].unicodep == unicodep) { break; } } @@ -3078,11 +3545,13 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) { * 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, u8char); + FcCharSetAddChar(fccharset, unicodep); FcPatternAddCharSet(fcpattern, FC_CHARSET, fccharset); FcPatternAddBool(fcpattern, FC_SCALABLE, @@ -3092,8 +3561,8 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) { FcMatchPattern); FcDefaultSubstitute(fcpattern); - fontpattern = FcFontSetMatch(0, fcsets, - FcTrue, fcpattern, &fcres); + fontpattern = FcFontSetMatch(0, fcsets, 1, + fcpattern, &fcres); /* * Overwrite or create the new cache entry. @@ -3101,11 +3570,13 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) { if(frclen >= LEN(frc)) { frclen = LEN(frc) - 1; XftFontClose(xw.dpy, frc[frclen].font); + frc[frclen].unicodep = 0; } frc[frclen].font = XftFontOpenPattern(xw.dpy, fontpattern); frc[frclen].flags = frcflags; + frc[frclen].unicodep = unicodep; i = frclen; frclen++; @@ -3118,10 +3589,16 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) { xp, winy + frc[i].font->ascent, (FcChar8 *)u8c, u8cblen); - xp += font->width; + xp += xw.cw * wcwidth(unicodep); } /* + * This is how the loop above actually should be. Why does the + * application have to care about font details? + * + * I have to repeat: Xft and Fontconfig are design failures. + */ + /* XftDrawStringUtf8(xw.draw, fg, font->set, winx, winy + font->ascent, (FcChar8 *)s, bytelen); */ @@ -3131,6 +3608,11 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) { width, 1); } + if(base.mode & ATTR_STRUCK) { + XftDrawRect(xw.draw, fg, winx, winy + 2 * font->ascent / 3, + width, 1); + } + /* Reset clip to none. */ XftDrawSetClip(xw.draw, 0); } @@ -3138,50 +3620,82 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) { void xdrawcursor(void) { static int oldx = 0, oldy = 0; - int sl; + int sl, width, curx; Glyph g = {{' '}, ATTR_NULL, defaultbg, defaultcs}; LIMIT(oldx, 0, term.col-1); LIMIT(oldy, 0, term.row-1); + curx = term.c.x; + + /* adjust position if in dummy */ + if(term.line[oldy][oldx].mode & ATTR_WDUMMY) + oldx--; + if(term.line[term.c.y][curx].mode & ATTR_WDUMMY) + curx--; + memcpy(g.c, term.line[term.c.y][term.c.x].c, UTF_SIZ); /* remove the old cursor */ - sl = utf8size(term.line[oldy][oldx].c); + sl = utf8len(term.line[oldy][oldx].c); + width = (term.line[oldy][oldx].mode & ATTR_WIDE)? 2 : 1; xdraws(term.line[oldy][oldx].c, term.line[oldy][oldx], oldx, - oldy, 1, sl); + oldy, width, sl); + + if(IS_SET(MODE_HIDE)) + return; /* draw the new one */ - if(!(IS_SET(MODE_HIDE))) { - if(xw.state & WIN_FOCUSED) { - if(IS_SET(MODE_REVERSE)) { - g.mode |= ATTR_REVERSE; - g.fg = defaultcs; - g.bg = defaultfg; - } + if(xw.state & WIN_FOCUSED) { + switch (xw.cursor) { + case 0: /* Blinking Block */ + case 1: /* Blinking Block (Default) */ + case 2: /* Steady Block */ + if(IS_SET(MODE_REVERSE)) { + g.mode |= ATTR_REVERSE; + g.fg = defaultcs; + g.bg = defaultfg; + } - sl = utf8size(g.c); - xdraws(g.c, g, term.c.x, term.c.y, 1, sl); - } else { - XftDrawRect(xw.draw, &dc.col[defaultcs], - borderpx + term.c.x * xw.cw, - borderpx + term.c.y * xw.ch, - xw.cw - 1, 1); - XftDrawRect(xw.draw, &dc.col[defaultcs], - borderpx + term.c.x * xw.cw, - borderpx + term.c.y * xw.ch, - 1, xw.ch - 1); - XftDrawRect(xw.draw, &dc.col[defaultcs], - borderpx + (term.c.x + 1) * xw.cw - 1, - borderpx + term.c.y * xw.ch, - 1, xw.ch - 1); - XftDrawRect(xw.draw, &dc.col[defaultcs], - borderpx + term.c.x * xw.cw, - borderpx + (term.c.y + 1) * xw.ch - 1, - xw.cw, 1); + sl = utf8len(g.c); + width = (term.line[term.c.y][curx].mode & ATTR_WIDE)\ + ? 2 : 1; + xdraws(g.c, g, term.c.x, term.c.y, width, sl); + break; + case 3: /* Blinking Underline */ + case 4: /* Steady Underline */ + XftDrawRect(xw.draw, &dc.col[defaultcs], + borderpx + curx * xw.cw, + borderpx + (term.c.y + 1) * xw.ch - 1, + xw.cw, 1); + break; + case 5: /* Blinking bar */ + case 6: /* Steady bar */ + XftDrawRect(xw.draw, &dc.col[defaultcs], + borderpx + curx * xw.cw, + borderpx + term.c.y * xw.ch, + 1, xw.ch); + break; } - oldx = term.c.x, oldy = term.c.y; + } else { + XftDrawRect(xw.draw, &dc.col[defaultcs], + borderpx + curx * xw.cw, + borderpx + term.c.y * xw.ch, + xw.cw - 1, 1); + XftDrawRect(xw.draw, &dc.col[defaultcs], + borderpx + curx * xw.cw, + borderpx + term.c.y * xw.ch, + 1, xw.ch - 1); + XftDrawRect(xw.draw, &dc.col[defaultcs], + borderpx + (curx + 1) * xw.cw - 1, + borderpx + term.c.y * xw.ch, + 1, xw.ch - 1); + XftDrawRect(xw.draw, &dc.col[defaultcs], + borderpx + curx * xw.cw, + borderpx + (term.c.y + 1) * xw.ch - 1, + xw.cw, 1); } + oldx = curx, oldy = term.c.y; } @@ -3192,6 +3706,8 @@ xsettitle(char *p) { Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle, &prop); XSetWMName(xw.dpy, xw.win, &prop); + XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmname); + XFree(prop.value); } void @@ -3200,16 +3716,9 @@ xresettitle(void) { } void -redraw(int timeout) { - struct timespec tv = {0, timeout * 1000}; - +redraw(void) { tfulldirt(); draw(); - - if(timeout > 0) { - nanosleep(&tv, NULL); - XSync(xw.dpy, False); /* necessary for a good tput flash */ - } } void @@ -3227,10 +3736,8 @@ drawregion(int x1, int y1, int x2, int y2) { int ic, ib, x, y, ox, sl; Glyph base, new; char buf[DRAW_BUF_SIZ]; - bool ena_sel = sel.ob.x != -1; - - if(sel.alt ^ IS_SET(MODE_ALTSCREEN)) - ena_sel = 0; + bool ena_sel = sel.ob.x != -1 && sel.alt == IS_SET(MODE_ALTSCREEN); + long unicodep; if(!(xw.state & WIN_VISIBLE)) return; @@ -3241,10 +3748,12 @@ drawregion(int x1, int y1, int x2, int y2) { xtermclear(0, y, term.col, y); term.dirty[y] = 0; - base = term.line[y][0]; + base = TLINE(y)[0]; ic = ib = ox = 0; for(x = x1; x < x2; x++) { - new = term.line[y][x]; + new = TLINE(y)[x]; + if(new.mode == ATTR_WDUMMY) + continue; if(ena_sel && selected(x, y)) new.mode ^= ATTR_REVERSE; if(ib > 0 && (ATTRCMP(base, new) @@ -3257,15 +3766,16 @@ drawregion(int x1, int y1, int x2, int y2) { base = new; } - sl = utf8size(new.c); + sl = utf8decode(new.c, &unicodep, UTF_SIZ); memcpy(buf+ib, new.c, sl); ib += sl; - ++ic; + ic += (new.mode & ATTR_WIDE)? 2 : 1; } if(ib > 0) xdraws(buf, base, ox, y, ic, ib); } - xdrawcursor(); + if(term.scr == 0) + xdrawcursor(); } void @@ -3276,7 +3786,7 @@ expose(XEvent *ev) { if(!e->count) xw.state &= ~WIN_REDRAW; } - redraw(0); + redraw(); } void @@ -3306,7 +3816,7 @@ void xseturgency(int add) { XWMHints *h = XGetWMHints(xw.dpy, xw.win); - h->flags = add ? (h->flags | XUrgencyHint) : (h->flags & ~XUrgencyHint); + MODBIT(h->flags, add, XUrgencyHint); XSetWMHints(xw.dpy, xw.win, h); XFree(h); } @@ -3334,15 +3844,7 @@ focus(XEvent *ev) { static inline bool match(uint mask, uint state) { - state &= ~ignoremod; - - if(mask == XK_NO_MOD && state) - return false; - if(mask != XK_ANY_MOD && mask != XK_NO_MOD && !state) - return false; - if(mask == XK_ANY_MOD) - return true; - return state == mask; + return mask == XK_ANY_MOD || mask == (state & ~ignoremod); } void @@ -3372,25 +3874,16 @@ kmap(KeySym k, uint state) { if(!match(kp->mask, state)) continue; - if(kp->appkey > 0) { - if(!IS_SET(MODE_APPKEYPAD)) - continue; - if(term.numlock && kp->appkey == 2) - continue; - } else if(kp->appkey < 0 && IS_SET(MODE_APPKEYPAD)) { + if(IS_SET(MODE_APPKEYPAD) ? kp->appkey < 0 : kp->appkey > 0) + continue; + if(term.numlock && kp->appkey == 2) continue; - } - if((kp->appcursor < 0 && IS_SET(MODE_APPCURSOR)) || - (kp->appcursor > 0 - && !IS_SET(MODE_APPCURSOR))) { + if(IS_SET(MODE_APPCURSOR) ? kp->appcursor < 0 : kp->appcursor > 0) continue; - } - if((kp->crlf < 0 && IS_SET(MODE_CRLF)) || - (kp->crlf > 0 && !IS_SET(MODE_CRLF))) { + if(IS_SET(MODE_CRLF) ? kp->crlf < 0 : kp->crlf > 0) continue; - } return kp->s; } @@ -3402,8 +3895,8 @@ void kpress(XEvent *ev) { XKeyEvent *e = &ev->xkey; KeySym ksym; - char xstr[31], buf[32], *customkey, *cp = buf; - int len, ret; + char buf[32], *customkey; + int len; long c; Status status; Shortcut *bp; @@ -3411,8 +3904,7 @@ kpress(XEvent *ev) { if(IS_SET(MODE_KBDLOCK)) return; - len = XmbLookupString(xw.xic, e, xstr, sizeof(xstr), &ksym, &status); - e->state &= ~Mod2Mask; + 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)) { @@ -3423,33 +3915,26 @@ kpress(XEvent *ev) { /* 2. custom keys from config.h */ if((customkey = kmap(ksym, e->state))) { - len = strlen(customkey); - memcpy(buf, customkey, len); - /* 3. hardcoded (overrides X lookup) */ - } else { - if(len == 0) - return; + ttysend(customkey, strlen(customkey)); + return; + } - if(len == 1 && e->state & Mod1Mask) { - if(IS_SET(MODE_8BIT)) { - if(*xstr < 0177) { - c = *xstr | 0x80; - ret = utf8encode(&c, cp); - cp += ret; - len = 0; - } - } else { - *cp++ = '\033'; + /* 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, UTF_SIZ); } + } else { + buf[1] = buf[0]; + buf[0] = '\033'; + len = 2; } - - memcpy(cp, xstr, len); - len = cp - buf + len; } - - ttywrite(buf, len); - if(IS_SET(MODE_ECHO)) - techo(buf, len); + ttysend(buf, len); } @@ -3504,11 +3989,14 @@ run(void) { int w = xw.w, h = xw.h; fd_set rfd; int xfd = XConnectionNumber(xw.dpy), xev, blinkset = 0, dodraw = 0; - struct timeval drawtimeout, *tv = NULL, now, last, lastblink; + struct timespec drawtimeout, *tv = NULL, now, last, lastblink; + long deltatime; /* Waiting for window mapping */ while(1) { XNextEvent(xw.dpy, &ev); + if(XFilterEvent(&ev, None)) + continue; if(ev.type == ConfigureNotify) { w = ev.xconfigure.width; h = ev.xconfigure.height; @@ -3517,51 +4005,50 @@ run(void) { } } - if(!xw.isfixed) - cresize(w, h); - else - cresize(xw.fw, xw.fh); ttynew(); + cresize(w, h); - gettimeofday(&lastblink, NULL); - gettimeofday(&last, NULL); + clock_gettime(CLOCK_MONOTONIC, &last); + lastblink = last; for(xev = actionfps;;) { FD_ZERO(&rfd); FD_SET(cmdfd, &rfd); FD_SET(xfd, &rfd); - if(select(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, tv) < 0) { + if(pselect(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, tv, NULL) < 0) { if(errno == EINTR) continue; - die("select failed: %s\n", SERRNO); + die("select failed: %s\n", strerror(errno)); } if(FD_ISSET(cmdfd, &rfd)) { ttyread(); - if(blinktimeout) { - blinkset = tattrset(ATTR_BLINK); - if(!blinkset && term.mode & ATTR_BLINK) - term.mode &= ~(MODE_BLINK); - } } - if(FD_ISSET(xfd, &rfd)) + if(FD_ISSET(xfd, &rfd)) { xev = actionfps; + if(blinktimeout) { + lastblink = now; + MODBIT(term.mode, 1, MODE_BLINK); + blinkset = 1; + } + } - gettimeofday(&now, NULL); + clock_gettime(CLOCK_MONOTONIC, &now); drawtimeout.tv_sec = 0; - drawtimeout.tv_usec = (1000/xfps) * 1000; + drawtimeout.tv_nsec = (1000/xfps) * 1E6; tv = &drawtimeout; dodraw = 0; if(blinktimeout && TIMEDIFF(now, lastblink) > blinktimeout) { tsetdirtattr(ATTR_BLINK); term.mode ^= MODE_BLINK; - gettimeofday(&lastblink, NULL); + lastblink = now; dodraw = 1; } - if(TIMEDIFF(now, last) \ - > (xev? (1000/xfps) : (1000/actionfps))) { + deltatime = TIMEDIFF(now, last); + if(deltatime > (xev? (1000/xfps) : (1000/actionfps)) + || deltatime < 0) { dodraw = 1; last = now; } @@ -3584,13 +4071,16 @@ run(void) { if(blinkset) { if(TIMEDIFF(now, lastblink) \ > blinktimeout) { - drawtimeout.tv_usec = 1; + drawtimeout.tv_nsec = 1000; } else { - drawtimeout.tv_usec = (1000 * \ + drawtimeout.tv_nsec = (1E6 * \ (blinktimeout - \ TIMEDIFF(now, lastblink))); } + drawtimeout.tv_sec = \ + drawtimeout.tv_nsec / 1E9; + drawtimeout.tv_nsec %= (long)1E9; } else { tv = NULL; } @@ -3601,19 +4091,19 @@ run(void) { void usage(void) { - die("%s " VERSION " (c) 2010-2013 st engineers\n" \ - "usage: st [-a] [-v] [-c class] [-f font] [-g geometry] [-o file]" \ - " [-t title] [-w windowid] [-e command ...]\n", argv0); + die("%s " VERSION " (c) 2010-2015 st engineers\n" \ + "usage: st [-a] [-v] [-c class] [-f font] [-g geometry] [-o file]\n" + " [-i] [-t title] [-w windowid] [-e command ...]\n", argv0); } int main(int argc, char *argv[]) { - int bitm, xr, yr; - uint wr, hr; char *titles; + uint cols = 80, rows = 24; - xw.fw = xw.fh = xw.fx = xw.fy = 0; + xw.l = xw.t = 0; xw.isfixed = False; + xw.cursor = 0; ARGBEGIN { case 'a': @@ -3627,7 +4117,7 @@ main(int argc, char *argv[]) { if(argc > 1) { opt_cmd = &argv[1]; if(argv[1] != NULL && opt_title == NULL) { - titles = strdup(argv[1]); + titles = xstrdup(argv[1]); opt_title = basename(titles); } } @@ -3636,22 +4126,11 @@ main(int argc, char *argv[]) { opt_font = EARGF(usage()); break; case 'g': - bitm = XParseGeometry(EARGF(usage()), &xr, &yr, &wr, &hr); - if(bitm & XValue) - xw.fx = xr; - if(bitm & YValue) - xw.fy = yr; - if(bitm & WidthValue) - xw.fw = (int)wr; - if(bitm & HeightValue) - xw.fh = (int)hr; - if(bitm & XNegative && xw.fx == 0) - xw.fx = -1; - if(bitm & XNegative && xw.fy == 0) - xw.fy = -1; - - if(xw.fh != 0 && xw.fw != 0) - xw.isfixed = True; + xw.gm = XParseGeometry(EARGF(usage()), + &xw.l, &xw.t, &cols, &rows); + break; + case 'i': + xw.isfixed = True; break; case 'o': opt_io = EARGF(usage()); @@ -3670,7 +4149,7 @@ main(int argc, char *argv[]) { run: setlocale(LC_CTYPE, ""); XSetLocaleModifiers(""); - tnew(80, 24); + tnew(cols? cols : 1, rows? rows : 1); xinit(); selinit(); run();