X-Git-Url: https://jasonwoof.com/gitweb/?a=blobdiff_plain;f=st.c;h=163f160a9bfed2e09016bf78fc307b432102d997;hb=aaee0e8b28a353c215b6d1c8fc06d20038d7b426;hp=a64b84d513ae70b8e29152267ae5896eb464a523;hpb=3a095984b053ebb159956368eb3258f51f50e352;p=st.git diff --git a/st.c b/st.c index a64b84d..362de23 100644 --- a/st.c +++ b/st.c @@ -1,10 +1,10 @@ /* See LICENSE for licence details. */ -#define _XOPEN_SOURCE 600 #include #include #include #include #include +#include #include #include #include @@ -19,15 +19,25 @@ #include #include #include +#include #include #include #include #include #include -#include #include +#include + +#include "arg.h" + +char *argv0; + #define Glyph Glyph_ #define Font Font_ +#define Draw XftDraw * +#define Colour XftColor +#define Colourmap Colormap +#define Rectangle XRectangle #if defined(__linux) #include @@ -37,27 +47,25 @@ #include #endif -#define USAGE \ - "st " VERSION " (c) 2010-2012 st engineers\n" \ - "usage: st [-t title] [-c class] [-g geometry]" \ - " [-w windowid] [-v] [-f file] [-e command...]\n" /* XEMBED messages */ #define XEMBED_FOCUS_IN 4 #define XEMBED_FOCUS_OUT 5 /* Arbitrary sizes */ -#define ESC_BUF_SIZ 256 +#define UTF_SIZ 4 +#define ESC_BUF_SIZ (128*UTF_SIZ) #define ESC_ARG_SIZ 16 -#define STR_BUF_SIZ 256 -#define STR_ARG_SIZ 16 +#define STR_BUF_SIZ ESC_BUF_SIZ +#define STR_ARG_SIZ ESC_ARG_SIZ #define DRAW_BUF_SIZ 20*1024 -#define UTF_SIZ 4 -#define XK_NO_MOD UINT_MAX -#define XK_ANY_MOD 0 +#define XK_ANY_MOD UINT_MAX +#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)) @@ -66,10 +74,17 @@ #define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b)) #define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x) #define ATTRCMP(a, b) ((a).mode != (b).mode || (a).fg != (b).fg || (a).bg != (b).bg) -#define IS_SET(flag) (term.mode & (flag)) +#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 X2COL(x) (((x) - BORDER)/xw.cw) -#define Y2ROW(y) (((y) - BORDER)/xw.ch) + +#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 VT102ID "\033[?6c" enum glyph_attribute { ATTR_NULL = 0, @@ -79,47 +94,51 @@ enum glyph_attribute { ATTR_GFX = 8, ATTR_ITALIC = 16, ATTR_BLINK = 32, + ATTR_WRAP = 64, }; enum cursor_movement { - CURSOR_UP, - CURSOR_DOWN, - CURSOR_LEFT, - CURSOR_RIGHT, CURSOR_SAVE, CURSOR_LOAD }; enum cursor_state { CURSOR_DEFAULT = 0, - CURSOR_HIDE = 1, - CURSOR_WRAPNEXT = 2 -}; - -enum glyph_state { - GLYPH_SET = 1, - GLYPH_DIRTY = 2 + CURSOR_WRAPNEXT = 1, + CURSOR_ORIGIN = 2 }; enum term_mode { - MODE_WRAP = 1, + MODE_WRAP = 1, MODE_INSERT = 2, MODE_APPKEYPAD = 4, MODE_ALTSCREEN = 8, - MODE_CRLF = 16, + MODE_CRLF = 16, MODE_MOUSEBTN = 32, MODE_MOUSEMOTION = 64, - MODE_MOUSE = 32|64, MODE_REVERSE = 128, - MODE_KBDLOCK = 256 + 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_MOUSE = MODE_MOUSEBTN|MODE_MOUSEMOTION|MODE_MOUSEX10\ + |MODE_MOUSEMANY, }; enum escape_state { ESC_START = 1, - ESC_CSI = 2, - ESC_STR = 4, /* DSC, OSC, PM, APC */ + ESC_CSI = 2, + ESC_STR = 4, /* DSC, OSC, PM, APC */ ESC_ALTCHARSET = 8, ESC_STR_END = 16, /* a final string was encountered */ + ESC_TEST = 32, /* Enter in test mode */ }; enum window_state { @@ -128,9 +147,15 @@ enum window_state { WIN_FOCUSED = 4 }; -/* bit macro */ -#undef B0 -enum { B0=1, B1=2, B2=4, B3=8, B4=16, B5=32, B6=64, B7=128 }; +enum selection_type { + SEL_REGULAR = 1, + SEL_RECTANGULAR = 2 +}; + +enum selection_snap { + SNAP_WORD = 1, + SNAP_LINE = 2 +}; typedef unsigned char uchar; typedef unsigned int uint; @@ -138,17 +163,16 @@ typedef unsigned long ulong; typedef unsigned short ushort; typedef struct { - char c[UTF_SIZ]; /* character code */ - uchar mode; /* attribute flags */ - ushort fg; /* foreground */ - ushort bg; /* background */ - uchar state; /* state flags */ + char c[UTF_SIZ]; /* character code */ + uchar mode; /* attribute flags */ + ulong fg; /* foreground */ + ulong bg; /* background */ } Glyph; -typedef Glyph* Line; +typedef Glyph *Line; typedef struct { - Glyph attr; /* current char attributes */ + Glyph attr; /* current char attributes */ int x; int y; char state; @@ -158,72 +182,92 @@ typedef struct { /* ESC '[' [[ [] [;]] ] */ typedef struct { char buf[ESC_BUF_SIZ]; /* raw string */ - int len; /* raw string length */ + int len; /* raw string length */ char priv; int arg[ESC_ARG_SIZ]; - int narg; /* nb of args */ + int narg; /* nb of args */ char mode; } CSIEscape; /* STR Escape sequence structs */ /* ESC type [[ [] [;]] ] ESC '\' */ typedef struct { - char type; /* ESC type ... */ + char type; /* ESC type ... */ char buf[STR_BUF_SIZ]; /* raw string */ - int len; /* raw string length */ + int len; /* raw string length */ char *args[STR_ARG_SIZ]; - int narg; /* nb of args */ + int narg; /* nb of args */ } STREscape; /* Internal representation of the screen */ typedef struct { - int row; /* nb row */ - int col; /* nb col */ - Line* line; /* screen */ - Line* alt; /* alternate screen */ - 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 */ + int row; /* nb row */ + int col; /* nb col */ + Line *line; /* screen */ + Line *alt; /* alternate screen */ + 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 */ + bool numlock; /* lock numbers in keyboard */ bool *tabs; } Term; /* Purely graphic info */ typedef struct { - Display* dpy; - Colormap cmap; + Display *dpy; + Colourmap cmap; Window win; - XdbeBackBuffer buf; - Atom xembed; + Drawable buf; + Atom xembed, wmdeletewin; XIM xim; XIC xic; - XftDraw *xft_draw; + Draw draw; Visual *vis; + XSetWindowAttributes attrs; int scr; bool isfixed; /* is fixed geometry? */ int fx, fy, fw, fh; /* fixed geometry */ int tw, th; /* tty width and height */ - int w; /* window width */ - int h; /* window height */ + int w, h; /* window width and height */ int ch; /* char height */ int cw; /* char width */ char state; /* focus, redraw, visible */ } XWindow; typedef struct { + int b; + uint mask; + char s[ESC_BUF_SIZ]; +} Mousekey; + +typedef struct { KeySym k; uint mask; char s[ESC_BUF_SIZ]; + /* three valued logic variables: 0 indifferent, 1 on, -1 off */ + signed char appkey; /* application keypad */ + signed char appcursor; /* application cursor */ + signed char crlf; /* crlf mode */ } Key; -/* TODO: use better name for vars... */ typedef struct { int mode; - int bx, by; - int ex, ey; - struct {int x, y;} b, e; + int type; + int snap; + /* + * Selection variables: + * nb – normalized coordinates of the beginning of the selection + * ne – normalized coordinates of the end of the selection + * ob – original coordinates of the beginning of the selection + * oe – original coordinates of the end of the selection + */ + struct { + int x, y; + } nb, ne, ob, oe; + char *clip; Atom xtarget; bool alt; @@ -231,29 +275,52 @@ typedef struct { struct timeval tclick2; } Selection; +typedef union { + int i; + unsigned int ui; + float f; + const void *v; +} Arg; + +typedef struct { + unsigned int mod; + KeySym keysym; + void (*func)(const Arg *); + const Arg arg; +} Shortcut; + +/* function definitions used in config.h */ +static void clippaste(const Arg *); +static void numlock(const Arg *); +static void selpaste(const Arg *); +static void xzoom(const Arg *); + +/* Config.h for applying patches and the configuration. */ #include "config.h" /* Font structure */ typedef struct { + int height; + int width; int ascent; int descent; short lbearing; short rbearing; - XFontSet set; - XftFont* xft_set; + XftFont *match; + FcFontSet *set; + FcPattern *pattern; } Font; /* Drawing Context */ typedef struct { - ulong col[LEN(colorname) < 256 ? 256 : LEN(colorname)]; - XftColor xft_col[LEN(colorname) < 256 ? 256 : LEN(colorname)]; - GC gc; + Colour col[LEN(colorname) < 256 ? 256 : LEN(colorname)]; Font font, bfont, ifont, ibfont; + GC gc; } DC; -static void die(const char*, ...); +static void die(const char *, ...); static void draw(void); -static void redraw(void); +static void redraw(int); static void drawregion(int, int, int, int); static void execsh(void); static void sigchld(int); @@ -268,6 +335,7 @@ static void strhandle(void); static void strparse(void); static void strreset(void); +static int tattrset(int); static void tclearregion(int, int, int, int); static void tcursor(int); static void tdeletechar(int); @@ -275,22 +343,26 @@ static void tdeleteline(int); static void tinsertblank(int); static void tinsertblankline(int); static void tmoveto(int, int); +static void tmoveato(int x, int y); static void tnew(int, int); static void tnewline(int); static void tputtab(bool); -static void tputc(char*, 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 tsetchar(char*); +static void tsetchar(char *, Glyph *, int, int); static void tsetscroll(int, int); static void tswapscreen(void); static void tsetdirt(int, int); +static void tsetdirtattr(int); static void tsetmode(bool, bool, int *, int); static void tfulldirt(void); - +static void techo(char *, int); +static ulong tdefcolor(int *, int *, int); +static inline bool match(uint, uint); static void ttynew(void); static void ttyread(void); static void ttyresize(void); @@ -302,17 +374,27 @@ static void xclear(int, int, int, int); static void xdrawcursor(void); static void xinit(void); static void xloadcols(void); +static int xsetcolorname(int, const char *); +static int xloadfont(Font *, FcPattern *); +static void xloadfonts(char *, int); +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 xtermclear(int, int, int, int); +static void xunloadfont(Font *f); +static void xunloadfonts(void); static void xresize(int, int); static void expose(XEvent *); static void visibility(XEvent *); static void unmap(XEvent *); -static char* kmap(KeySym, uint); +static char *kmap(KeySym, uint); static void kpress(XEvent *); static void cmessage(XEvent *); +static void cresize(int, int); static void resize(XEvent *); static void focus(XEvent *); static void brelease(XEvent *); @@ -323,19 +405,21 @@ static void selclear(XEvent *); static void selrequest(XEvent *); static void selinit(void); +static void selsort(void); static inline bool selected(int, int); static void selcopy(void); -static void selpaste(void); static void selscroll(int, int); +static void selsnap(int, int *, int *, int); static int utf8decode(char *, long *); static int utf8encode(long *, char *); static int utf8size(char *); static int isfullutf8(char *, int); +static ssize_t xwrite(int, char *, size_t); static void *xmalloc(size_t); static void *xrealloc(void *, size_t); -static void *xcalloc(size_t nmemb, size_t size); +static void *xcalloc(size_t, size_t); static void (*handler[LASTEvent])(XEvent *) = { [KeyPress] = kpress, @@ -364,17 +448,55 @@ static int cmdfd; static pid_t pid; static Selection sel; static int iofd = -1; -static char **opt_cmd = NULL; -static char *opt_io = NULL; +static char **opt_cmd = NULL; +static char *opt_io = NULL; static char *opt_title = NULL; static char *opt_embed = NULL; static char *opt_class = NULL; +static char *opt_font = NULL; +static int oldbutton = 3; /* button event on startup: 3 = release */ + +static char *usedfont = NULL; +static int usedfontsize = 0; + +/* Font Ring Cache */ +enum { + FRC_NORMAL, + FRC_ITALIC, + FRC_BOLD, + FRC_ITALICBOLD +}; + +typedef struct { + XftFont *font; + int flags; +} Fontcache; + +/* Fontcache is an array now. A new font will be appended to the array. */ +static Fontcache frc[16]; +static int frclen = 0; + +ssize_t +xwrite(int fd, char *s, size_t len) { + size_t aux = len; + + while(len > 0) { + ssize_t r = write(fd, s, len); + if(r < 0) + return r; + len -= r; + s += r; + } + return aux; +} void * xmalloc(size_t len) { void *p = malloc(len); + if(!p) die("Out of memory\n"); + return p; } @@ -382,14 +504,17 @@ void * xrealloc(void *p, size_t len) { if((p = realloc(p, len)) == NULL) die("Out of memory\n"); + return p; } void * xcalloc(size_t nmemb, size_t size) { void *p = calloc(nmemb, size); + if(!p) die("Out of memory\n"); + return p; } @@ -400,35 +525,41 @@ utf8decode(char *s, long *u) { rtn = 1; c = *s; - if(~c & B7) { /* 0xxxxxxx */ + if(~c & 0x80) { /* 0xxxxxxx */ *u = c; return rtn; - } else if((c & (B7|B6|B5)) == (B7|B6)) { /* 110xxxxx */ - *u = c&(B4|B3|B2|B1|B0); + } else if((c & 0xE0) == 0xC0) { /* 110xxxxx */ + *u = c & 0x1F; n = 1; - } else if((c & (B7|B6|B5|B4)) == (B7|B6|B5)) { /* 1110xxxx */ - *u = c&(B3|B2|B1|B0); + } else if((c & 0xF0) == 0xE0) { /* 1110xxxx */ + *u = c & 0x0F; n = 2; - } else if((c & (B7|B6|B5|B4|B3)) == (B7|B6|B5|B4)) { /* 11110xxx */ - *u = c & (B2|B1|B0); + } else if((c & 0xF8) == 0xF0) { /* 11110xxx */ + *u = c & 0x07; n = 3; - } else + } else { goto invalid; + } + for(i = n, ++s; i > 0; --i, ++rtn, ++s) { c = *s; - if((c & (B7|B6)) != B7) /* 10xxxxxx */ + if((c & 0xC0) != 0x80) /* 10xxxxxx */ goto invalid; *u <<= 6; - *u |= c & (B5|B4|B3|B2|B1|B0); + *u |= c & 0x3F; } + if((n == 1 && *u < 0x80) || (n == 2 && *u < 0x800) || (n == 3 && *u < 0x10000) || - (*u >= 0xD800 && *u <= 0xDFFF)) + (*u >= 0xD800 && *u <= 0xDFFF)) { goto invalid; + } + return rtn; invalid: *u = 0xFFFD; + return rtn; } @@ -438,31 +569,34 @@ utf8encode(long *u, char *s) { ulong uc; int i, n; - sp = (uchar*) s; + sp = (uchar *)s; uc = *u; if(uc < 0x80) { *sp = uc; /* 0xxxxxxx */ return 1; } else if(*u < 0x800) { - *sp = (uc >> 6) | (B7|B6); /* 110xxxxx */ + *sp = (uc >> 6) | 0xC0; /* 110xxxxx */ n = 1; } else if(uc < 0x10000) { - *sp = (uc >> 12) | (B7|B6|B5); /* 1110xxxx */ + *sp = (uc >> 12) | 0xE0; /* 1110xxxx */ n = 2; } else if(uc <= 0x10FFFF) { - *sp = (uc >> 18) | (B7|B6|B5|B4); /* 11110xxx */ + *sp = (uc >> 18) | 0xF0; /* 11110xxx */ n = 3; } else { goto invalid; } + for(i=n,++sp; i>0; --i,++sp) - *sp = ((uc >> 6*(i-1)) & (B5|B4|B3|B2|B1|B0)) | B7; /* 10xxxxxx */ + *sp = ((uc >> 6*(i-1)) & 0x3F) | 0x80; /* 10xxxxxx */ + return n+1; invalid: /* U+FFFD */ *s++ = '\xEF'; *s++ = '\xBF'; *s = '\xBD'; + return 3; } @@ -472,159 +606,379 @@ int isfullutf8(char *s, int b) { uchar *c1, *c2, *c3; - c1 = (uchar *) s; - c2 = (uchar *) ++s; - c3 = (uchar *) ++s; - if(b < 1) + c1 = (uchar *)s; + c2 = (uchar *)++s; + c3 = (uchar *)++s; + if(b < 1) { return 0; - else if((*c1&(B7|B6|B5)) == (B7|B6) && b == 1) + } else if((*c1 & 0xE0) == 0xC0 && b == 1) { return 0; - else if((*c1&(B7|B6|B5|B4)) == (B7|B6|B5) && + } else if((*c1 & 0xF0) == 0xE0 && ((b == 1) || - ((b == 2) && (*c2&(B7|B6)) == B7))) + ((b == 2) && (*c2 & 0xC0) == 0x80))) { return 0; - else if((*c1&(B7|B6|B5|B4|B3)) == (B7|B6|B5|B4) && + } else if((*c1 & 0xF8) == 0xF0 && ((b == 1) || - ((b == 2) && (*c2&(B7|B6)) == B7) || - ((b == 3) && (*c2&(B7|B6)) == B7 && (*c3&(B7|B6)) == B7))) + ((b == 2) && (*c2 & 0xC0) == 0x80) || + ((b == 3) && (*c2 & 0xC0) == 0x80 && (*c3 & 0xC0) == 0x80))) { return 0; - else + } else { return 1; + } } int utf8size(char *s) { uchar c = *s; - if(~c&B7) + if(~c & 0x80) { return 1; - else if((c&(B7|B6|B5)) == (B7|B6)) + } else if((c & 0xE0) == 0xC0) { return 2; - else if((c&(B7|B6|B5|B4)) == (B7|B6|B5)) + } else if((c & 0xF0) == 0xE0) { return 3; - else + } else { return 4; + } } -void +static void selinit(void) { memset(&sel.tclick1, 0, sizeof(sel.tclick1)); memset(&sel.tclick2, 0, sizeof(sel.tclick2)); sel.mode = 0; - sel.bx = -1; + sel.ob.x = -1; sel.clip = NULL; sel.xtarget = XInternAtom(xw.dpy, "UTF8_STRING", 0); if(sel.xtarget == None) sel.xtarget = XA_STRING; } +static int +x2col(int x) { + x -= borderpx; + x /= xw.cw; + + return LIMIT(x, 0, term.col-1); +} + +static int +y2row(int y) { + y -= borderpx; + y /= xw.ch; + + return LIMIT(y, 0, term.row-1); +} + +static void +selsort(void) { + if(sel.ob.y == sel.oe.y) { + sel.nb.x = MIN(sel.ob.x, sel.oe.x); + sel.ne.x = MAX(sel.ob.x, sel.oe.x); + } else { + sel.nb.x = sel.ob.y < sel.oe.y ? sel.ob.x : sel.oe.x; + sel.ne.x = sel.ob.y < sel.oe.y ? sel.oe.x : sel.ob.x; + } + sel.nb.y = MIN(sel.ob.y, sel.oe.y); + sel.ne.y = MAX(sel.ob.y, sel.oe.y); +} + static inline bool selected(int x, int y) { - if(sel.ey == y && sel.by == y) { - int bx = MIN(sel.bx, sel.ex); - int ex = MAX(sel.bx, sel.ex); - return BETWEEN(x, bx, ex); + if(sel.ne.y == y && sel.nb.y == y) + return 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)); +} + +void +selsnap(int mode, int *x, int *y, int direction) { + int i; + + switch(mode) { + case SNAP_WORD: + /* + * Snap around if the word wraps around at the end or + * beginning of a line. + */ + 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 { + 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 { + break; + } + } + + if(strchr(worddelimiters, + term.line[*y][*x + direction].c[0])) { + break; + } + + *x += direction; + } + break; + case SNAP_LINE: + /* + * Snap around if the the previous line or the current one + * has set ATTR_WRAP at its end. Then the whole next or + * previous line will be selected. + */ + *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 + & 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 + & 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; } - return ((sel.b.y < y&&y < sel.e.y) || (y==sel.e.y && x<=sel.e.x)) - || (y==sel.b.y && x>=sel.b.x && (x<=sel.e.x || sel.b.y!=sel.e.y)); } void -getbuttoninfo(XEvent *e, int *b, int *x, int *y) { - if(b) - *b = e->xbutton.button; +getbuttoninfo(XEvent *e) { + int type; + uint state = e->xbutton.state &~Button1Mask; + + sel.alt = IS_SET(MODE_ALTSCREEN); + + sel.oe.x = x2col(e->xbutton.x); + sel.oe.y = y2row(e->xbutton.y); - *x = X2COL(e->xbutton.x); - *y = Y2ROW(e->xbutton.y); - sel.b.x = sel.by < sel.ey ? sel.bx : sel.ex; - sel.b.y = MIN(sel.by, sel.ey); - sel.e.x = sel.by < sel.ey ? sel.ex : sel.bx; - sel.e.y = MAX(sel.by, sel.ey); + 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(); + + sel.type = SEL_REGULAR; + for(type = 1; type < LEN(selmasks); ++type) { + if(match(selmasks[type], state)) { + sel.type = type; + break; + } + } } void mousereport(XEvent *e) { - int x = X2COL(e->xbutton.x); - int y = Y2ROW(e->xbutton.y); - int button = e->xbutton.button; - int state = e->xbutton.state; - char buf[] = { '\033', '[', 'M', 0, 32+x+1, 32+y+1 }; - static int ob, ox, oy; + 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(!IS_SET(MODE_MOUSEMOTION) || (x == ox && y == oy)) + 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 = ob + 32; - ox = x, oy = y; - } else if(e->xbutton.type == ButtonRelease || button == AnyButton) { + + 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) { - ob = button; - ox = x, oy = y; + oldbutton = button; + ox = x; + oy = y; } } - buf[3] = 32 + button + (state & ShiftMask ? 4 : 0) - + (state & Mod4Mask ? 8 : 0) - + (state & ControlMask ? 16 : 0); + 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, sizeof(buf)); + ttywrite(buf, len); } void bpress(XEvent *e) { - if(IS_SET(MODE_MOUSE)) + struct timeval now; + Mousekey *mk; + + if(IS_SET(MODE_MOUSE)) { mousereport(e); - else if(e->xbutton.button == Button1) { - if(sel.bx != -1) { - sel.bx = -1; - tsetdirt(sel.b.y, sel.e.y); - draw(); + return; + } + + 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)); + return; } + } + + if(e->xbutton.button == Button1) { + gettimeofday(&now, NULL); + + /* Clear previous selection, logically and visually. */ + selclear(NULL); sel.mode = 1; - sel.ex = sel.bx = X2COL(e->xbutton.x); - sel.ey = sel.by = Y2ROW(e->xbutton.y); + sel.type = SEL_REGULAR; + sel.oe.x = sel.ob.x = x2col(e->xbutton.x); + sel.oe.y = sel.ob.y = y2row(e->xbutton.y); + + /* + * If the user clicks below predefined timeouts specific + * snapping behaviour is exposed. + */ + if(TIMEDIFF(now, sel.tclick2) <= tripleclicktimeout) { + sel.snap = SNAP_LINE; + } else if(TIMEDIFF(now, sel.tclick1) <= doubleclicktimeout) { + sel.snap = SNAP_WORD; + } 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(); + + /* + * Draw selection, unless it's regular and we don't want to + * make clicks visible + */ + if(sel.snap != 0) { + sel.mode++; + tsetdirt(sel.nb.y, sel.ne.y); + } + sel.tclick2 = sel.tclick1; + sel.tclick1 = now; } } void selcopy(void) { char *str, *ptr; - int x, y, bufsize, is_selected = 0; + int x, y, bufsize, size, i, ex; + Glyph *gp, *last; - if(sel.bx == -1) + if(sel.ob.x == -1) { str = NULL; - - else { - bufsize = (term.col+1) * (sel.e.y-sel.b.y+1) * UTF_SIZ; + } 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 = 0; y < term.row; y++) { - for(x = 0; x < term.col; x++) { - int size; - char *p; - Glyph *gp = &term.line[y][x]; + for(y = sel.nb.y; y < sel.ne.y + 1; y++) { + gp = &term.line[y][0]; + last = gp + term.col; + + while(--last >= gp && !(selected(last - gp, y) && \ + strcmp(last->c, " ") != 0)) + /* nothing */; - if(!(is_selected = selected(x, y))) + for(x = 0; gp <= last; x++, ++gp) { + if(!selected(x, y)) continue; - p = (gp->state & GLYPH_SET) ? gp->c : " "; - size = utf8size(p); - memcpy(ptr, p, size); + + size = utf8size(gp->c); + memcpy(ptr, gp->c, size); ptr += size; } - /* \n at the end of every selected line except for the last one */ - if(is_selected && y < sel.e.y) + + /* + * 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'; + + /* + * 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'; + } } *ptr = 0; } - sel.alt = IS_SET(MODE_ALTSCREEN); xsetsel(str); } @@ -632,7 +986,7 @@ void selnotify(XEvent *e) { ulong nitems, ofs, rem; int format; - uchar *data; + uchar *data, *last, *repl; Atom type; ofs = 0; @@ -643,7 +997,21 @@ selnotify(XEvent *e) { fprintf(stderr, "Clipboard allocation failed\n"); return; } - ttywrite((const char *) data, nitems * format / 8); + + /* + * As seen in selcopy: + * Line endings are inconsistent in the terminal and GUI world + * copy and pasting. When receiving some selection data, + * replace all '\n' with '\r'. + * FIXME: Fix the computer world. + */ + repl = data; + last = data + nitems * format / 8; + while((repl = memchr(repl, '\n', last - repl))) { + *repl++ = '\r'; + } + + ttywrite((const char *)data, nitems * format / 8); XFree(data); /* number of 32-bit chunks returned */ ofs += nitems * format / 32; @@ -651,22 +1019,33 @@ selnotify(XEvent *e) { } void -selpaste() { - XConvertSelection(xw.dpy, XA_PRIMARY, sel.xtarget, XA_PRIMARY, xw.win, CurrentTime); +selpaste(const Arg *dummy) { + XConvertSelection(xw.dpy, XA_PRIMARY, sel.xtarget, XA_PRIMARY, + xw.win, CurrentTime); +} + +void +clippaste(const Arg *dummy) { + Atom clipboard; + + clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0); + XConvertSelection(xw.dpy, clipboard, sel.xtarget, XA_PRIMARY, + xw.win, CurrentTime); } -void selclear(XEvent *e) { - if(sel.bx == -1) +void +selclear(XEvent *e) { + if(sel.ob.x == -1) return; - sel.bx = -1; - tsetdirt(sel.b.y, sel.e.y); + sel.ob.x = -1; + tsetdirt(sel.nb.y, sel.ne.y); } void selrequest(XEvent *e) { XSelectionRequestEvent *xsre; XSelectionEvent xev; - Atom xa_targets; + Atom xa_targets, string; xsre = (XSelectionRequestEvent *) e; xev.type = SelectionNotify; @@ -680,7 +1059,7 @@ selrequest(XEvent *e) { xa_targets = XInternAtom(xw.dpy, "TARGETS", 0); if(xsre->target == xa_targets) { /* respond with the supported type */ - Atom string = sel.xtarget; + string = sel.xtarget; XChangeProperty(xsre->display, xsre->requestor, xsre->property, XA_ATOM, 32, PropModeReplace, (uchar *) &string, 1); @@ -717,58 +1096,42 @@ brelease(XEvent *e) { mousereport(e); return; } - if(e->xbutton.button == Button2) - selpaste(); - else if(e->xbutton.button == Button1) { - sel.mode = 0; - getbuttoninfo(e, NULL, &sel.ex, &sel.ey); - term.dirty[sel.ey] = 1; - if(sel.bx == sel.ex && sel.by == sel.ey) { - struct timeval now; - sel.bx = -1; - gettimeofday(&now, NULL); - - if(TIMEDIFF(now, sel.tclick2) <= TRIPLECLICK_TIMEOUT) { - /* triple click on the line */ - sel.b.x = sel.bx = 0; - sel.e.x = sel.ex = term.col; - sel.b.y = sel.e.y = sel.ey; - selcopy(); - } else if(TIMEDIFF(now, sel.tclick1) <= DOUBLECLICK_TIMEOUT) { - /* double click to select word */ - sel.bx = sel.ex; - while(sel.bx > 0 && term.line[sel.ey][sel.bx-1].state & GLYPH_SET && - term.line[sel.ey][sel.bx-1].c[0] != ' ') sel.bx--; - sel.b.x = sel.bx; - while(sel.ex < term.col-1 && term.line[sel.ey][sel.ex+1].state & GLYPH_SET && - term.line[sel.ey][sel.ex+1].c[0] != ' ') sel.ex++; - sel.e.x = sel.ex; - sel.b.y = sel.e.y = sel.ey; - selcopy(); - } - } else + + if(e->xbutton.button == Button2) { + selpaste(NULL); + } else if(e->xbutton.button == Button1) { + if(sel.mode < 2) { + selclear(NULL); + } else { + getbuttoninfo(e); selcopy(); + } + sel.mode = 0; + tsetdirt(sel.nb.y, sel.ne.y); } - memcpy(&sel.tclick2, &sel.tclick1, sizeof(struct timeval)); - gettimeofday(&sel.tclick1, NULL); } void bmotion(XEvent *e) { + int oldey, oldex, oldsby, oldsey; + if(IS_SET(MODE_MOUSE)) { mousereport(e); return; } - if(sel.mode) { - int oldey = sel.ey, oldex = sel.ex; - getbuttoninfo(e, NULL, &sel.ex, &sel.ey); - if(oldey != sel.ey || oldex != sel.ex) { - int starty = MIN(oldey, sel.ey); - int endy = MAX(oldey, sel.ey); - tsetdirt(starty, endy); - } - } + if(!sel.mode) + return; + + sel.mode++; + oldey = sel.oe.y; + oldex = sel.oe.x; + oldsby = sel.nb.y; + oldsey = sel.ne.y; + getbuttoninfo(e); + + if(oldey != sel.oe.y || oldex != sel.oe.x) + tsetdirt(MIN(sel.nb.y, oldsby), MAX(sel.ne.y, oldsey)); } void @@ -785,11 +1148,23 @@ void execsh(void) { char **args; char *envshell = getenv("SHELL"); + const struct passwd *pass = getpwuid(getuid()); + char buf[sizeof(long) * 8 + 1]; unsetenv("COLUMNS"); unsetenv("LINES"); unsetenv("TERMCAP"); + 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); + } + + snprintf(buf, sizeof(buf), "%lu", xw.win); + setenv("WINDOWID", buf, 1); + signal(SIGCHLD, SIG_DFL); signal(SIGHUP, SIG_DFL); signal(SIGINT, SIG_DFL); @@ -797,9 +1172,9 @@ execsh(void) { signal(SIGTERM, SIG_DFL); signal(SIGALRM, SIG_DFL); - DEFAULT(envshell, SHELL); - putenv("TERM="TNAME); - args = opt_cmd ? opt_cmd : (char*[]){envshell, "-i", NULL}; + DEFAULT(envshell, shell); + setenv("TERM", termname, 1); + args = opt_cmd ? opt_cmd : (char *[]){envshell, "-i", NULL}; execvp(args[0], args); exit(EXIT_FAILURE); } @@ -807,20 +1182,23 @@ execsh(void) { void sigchld(int a) { int stat = 0; + if(waitpid(pid, &stat, 0) < 0) - die("Waiting for pid %hd failed: %s\n", pid, SERRNO); - if(WIFEXITED(stat)) + die("Waiting for pid %hd failed: %s\n", pid, SERRNO); + + if(WIFEXITED(stat)) { exit(WEXITSTATUS(stat)); - else + } else { exit(EXIT_FAILURE); + } } void ttynew(void) { int m, s; + struct winsize w = {term.row, term.col, 0, 0}; /* seems to work fine on linux, openbsd and freebsd */ - struct winsize w = {term.row, term.col, 0, 0}; if(openpty(&m, &s, NULL, NULL, &w) < 0) die("openpty failed: %s\n", SERRNO); @@ -844,13 +1222,12 @@ ttynew(void) { cmdfd = m; signal(SIGCHLD, sigchld); if(opt_io) { - if(!strcmp(opt_io, "-")) { - iofd = STDOUT_FILENO; - } else { - if((iofd = open(opt_io, O_WRONLY | O_CREAT, 0666)) < 0) { - fprintf(stderr, "Error opening %s:%s\n", - opt_io, strerror(errno)); - } + iofd = (!strcmp(opt_io, "-")) ? + STDOUT_FILENO : + open(opt_io, O_WRONLY | O_CREAT, 0666); + if(iofd < 0) { + fprintf(stderr, "Error opening %s:%s\n", + opt_io, strerror(errno)); } } } @@ -859,6 +1236,7 @@ ttynew(void) { void dump(char c) { static int col; + fprintf(stderr, " %02x '%c' ", c, isprint(c)?c:'.'); if(++col % 10 == 0) fprintf(stderr, "\n"); @@ -885,7 +1263,7 @@ ttyread(void) { charsize = utf8decode(ptr, &utf8c); utf8encode(&utf8c, s); tputc(s, charsize); - ptr += charsize; + ptr += charsize; buflen -= charsize; } @@ -911,9 +1289,22 @@ ttyresize(void) { fprintf(stderr, "Couldn't set window size: %s\n", SERRNO); } +int +tattrset(int attr) { + int i, j; + + for(i = 0; i < term.row-1; i++) { + for(j = 0; j < term.col-1; j++) { + if(term.line[i][j].mode & attr) + return 1; + } + } + + return 0; +} + void -tsetdirt(int top, int bot) -{ +tsetdirt(int top, int bot) { int i; LIMIT(top, 0, term.row-1); @@ -924,8 +1315,21 @@ tsetdirt(int top, int bot) } void -tfulldirt(void) -{ +tsetdirtattr(int attr) { + int i, j; + + for(i = 0; i < term.row-1; i++) { + for(j = 0; j < term.col-1; j++) { + if(term.line[i][j].mode & attr) { + tsetdirt(i, i); + break; + } + } + } +} + +void +tfulldirt(void) { tsetdirt(0, term.row-1); } @@ -933,52 +1337,49 @@ void tcursor(int mode) { static TCursor c; - if(mode == CURSOR_SAVE) + if(mode == CURSOR_SAVE) { c = term.c; - else if(mode == CURSOR_LOAD) - term.c = c, tmoveto(c.x, c.y); + } else if(mode == CURSOR_LOAD) { + term.c = c; + tmoveto(c.x, c.y); + } } void treset(void) { uint i; + term.c = (TCursor){{ .mode = ATTR_NULL, - .fg = DefaultFG, - .bg = DefaultBG + .fg = defaultfg, + .bg = defaultbg }, .x = 0, .y = 0, .state = CURSOR_DEFAULT}; memset(term.tabs, 0, term.col * sizeof(*term.tabs)); - for(i = TAB; i < term.col; i += TAB) + for(i = tabspaces; i < term.col; i += tabspaces) term.tabs[i] = 1; - term.top = 0, term.bot = term.row - 1; + term.top = 0; + term.bot = term.row - 1; term.mode = MODE_WRAP; tclearregion(0, 0, term.col-1, term.row-1); + tmoveto(0, 0); + tcursor(CURSOR_SAVE); } void tnew(int col, int row) { - /* set screen size */ - term.row = row, term.col = col; - term.line = xmalloc(term.row * sizeof(Line)); - term.alt = xmalloc(term.row * sizeof(Line)); - term.dirty = xmalloc(term.row * sizeof(*term.dirty)); - term.tabs = xmalloc(term.col * sizeof(*term.tabs)); - - for(row = 0; row < term.row; row++) { - term.line[row] = xmalloc(term.col * sizeof(Glyph)); - term.alt [row] = xmalloc(term.col * sizeof(Glyph)); - term.dirty[row] = 0; - } - memset(term.tabs, 0, term.col * sizeof(*term.tabs)); - /* setup screen */ + memset(&term, 0, sizeof(Term)); + tresize(col, row); + term.numlock = 1; + treset(); } void tswapscreen(void) { - Line* tmp = term.line; + Line *tmp = term.line; + term.line = term.alt; term.alt = tmp; term.mode ^= MODE_ALTSCREEN; @@ -1028,97 +1429,123 @@ tscrollup(int orig, int n) { void selscroll(int orig, int n) { - if(sel.bx == -1) + if(sel.ob.x == -1) return; - if(BETWEEN(sel.by, orig, term.bot) || BETWEEN(sel.ey, orig, term.bot)) { - if((sel.by += n) > term.bot || (sel.ey += n) < term.top) { - sel.bx = -1; + if(BETWEEN(sel.ob.y, orig, term.bot) || BETWEEN(sel.oe.y, orig, term.bot)) { + if((sel.ob.y += n) > term.bot || (sel.oe.y += n) < term.top) { + selclear(NULL); return; } - if(sel.by < term.top) { - sel.by = term.top; - sel.bx = 0; - } - if(sel.ey > term.bot) { - sel.ey = term.bot; - sel.ex = term.col; + if(sel.type == SEL_RECTANGULAR) { + if(sel.ob.y < term.top) + sel.ob.y = term.top; + if(sel.oe.y > term.bot) + sel.oe.y = term.bot; + } else { + if(sel.ob.y < term.top) { + sel.ob.y = term.top; + sel.ob.x = 0; + } + if(sel.oe.y > term.bot) { + sel.oe.y = term.bot; + sel.oe.x = term.col; + } } - sel.b.y = sel.by, sel.b.x = sel.bx; - sel.e.y = sel.ey, sel.e.x = sel.ex; + selsort(); } } void tnewline(int first_col) { int y = term.c.y; - if(y == term.bot) + + if(y == term.bot) { tscrollup(term.top, 1); - else + } else { y++; + } tmoveto(first_col ? 0 : term.c.x, y); } void csiparse(void) { - /* int noarg = 1; */ - char *p = csiescseq.buf; + char *p = csiescseq.buf, *np; + long int v; csiescseq.narg = 0; - if(*p == '?') - csiescseq.priv = 1, p++; + if(*p == '?') { + csiescseq.priv = 1; + p++; + } + csiescseq.buf[csiescseq.len] = '\0'; while(p < csiescseq.buf+csiescseq.len) { - while(isdigit(*p)) { - csiescseq.arg[csiescseq.narg] *= 10; - csiescseq.arg[csiescseq.narg] += *p++ - '0'/*, noarg = 0 */; - } - if(*p == ';' && csiescseq.narg+1 < ESC_ARG_SIZ) - csiescseq.narg++, p++; - else { - csiescseq.mode = *p; - csiescseq.narg++; - return; - } + np = NULL; + v = strtol(p, &np, 10); + if(np == p) + v = 0; + if(v == LONG_MAX || v == LONG_MIN) + v = -1; + csiescseq.arg[csiescseq.narg++] = v; + p = np; + if(*p != ';' || csiescseq.narg == ESC_ARG_SIZ) + break; + p++; } + csiescseq.mode = *p; +} + +/* for absolute user moves, when decom is set */ +void +tmoveato(int x, int y) { + tmoveto(x, y + ((term.c.state & CURSOR_ORIGIN) ? term.top: 0)); } void tmoveto(int x, int y) { + int miny, maxy; + + if(term.c.state & CURSOR_ORIGIN) { + miny = term.top; + maxy = term.bot; + } else { + miny = 0; + maxy = term.row - 1; + } LIMIT(x, 0, term.col-1); - LIMIT(y, 0, term.row-1); + LIMIT(y, miny, maxy); term.c.state &= ~CURSOR_WRAPNEXT; term.c.x = x; term.c.y = y; } void -tsetchar(char *c) { +tsetchar(char *c, Glyph *attr, int x, int y) { + static char *vt100_0[62] = { /* 0x41 - 0x7e */ + "↑", "↓", "→", "←", "█", "▚", "☃", /* A - G */ + 0, 0, 0, 0, 0, 0, 0, 0, /* H - O */ + 0, 0, 0, 0, 0, 0, 0, 0, /* P - W */ + 0, 0, 0, 0, 0, 0, 0, " ", /* X - _ */ + "◆", "▒", "␉", "␌", "␍", "␊", "°", "±", /* ` - g */ + "␤", "␋", "┘", "┐", "┌", "└", "┼", "⎺", /* h - o */ + "⎻", "─", "⎼", "⎽", "├", "┤", "┴", "┬", /* p - w */ + "│", "≤", "≥", "π", "≠", "£", "·", /* x - ~ */ + }; + /* * The table is proudly stolen from rxvt. */ - if(term.c.attr.mode & ATTR_GFX) { - char *vt100_0[62] = { /* 0x41 - 0x7e */ - "↑", "↓", "→", "←", "█", "▚", "☃", /* A - G */ - 0, 0, 0, 0, 0, 0, 0, 0, /* H - O */ - 0, 0, 0, 0, 0, 0, 0, 0, /* P - W */ - 0, 0, 0, 0, 0, 0, 0, " ", /* X - _ */ - "◆", "▒", "␉", "␌", "␍", "␊", "°", "±", /* ` - g */ - "␤", "␋", "┘", "┐", "┌", "└", "┼", "⎺", /* h - o */ - "⎻", "─", "⎼", "⎽", "├", "┤", "┴", "┬", /* p - w */ - "│", "≤", "≥", "π", "≠", "£", "·", /* x - ~ */ - }; - + if(attr->mode & ATTR_GFX) { if(c[0] >= 0x41 && c[0] <= 0x7e && vt100_0[c[0] - 0x41]) { c = vt100_0[c[0] - 0x41]; } } - term.dirty[term.c.y] = 1; - term.line[term.c.y][term.c.x] = term.c.attr; - memcpy(term.line[term.c.y][term.c.x].c, c, UTF_SIZ); - term.line[term.c.y][term.c.x].state |= GLYPH_SET; + term.dirty[y] = 1; + term.line[y][x] = *attr; + memcpy(term.line[y][x].c, c, UTF_SIZ); } void @@ -1137,8 +1564,12 @@ 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++) - term.line[y][x].state = 0; + for(x = x1; x <= x2; x++) { + if(selected(x, y)) + selclear(NULL); + term.line[y][x] = term.c.attr; + memcpy(term.line[y][x].c, " ", 2); + } } } @@ -1154,7 +1585,9 @@ tdeletechar(int n) { tclearregion(term.c.x, term.c.y, term.col-1, term.c.y); return; } - memmove(&term.line[term.c.y][dst], &term.line[term.c.y][src], size * sizeof(Glyph)); + + memmove(&term.line[term.c.y][dst], &term.line[term.c.y][src], + size * sizeof(Glyph)); tclearregion(term.col-n, term.c.y, term.col-1, term.c.y); } @@ -1170,7 +1603,9 @@ tinsertblank(int n) { tclearregion(term.c.x, term.c.y, term.col-1, term.c.y); return; } - memmove(&term.line[term.c.y][dst], &term.line[term.c.y][src], size * sizeof(Glyph)); + + memmove(&term.line[term.c.y][dst], &term.line[term.c.y][src], + size * sizeof(Glyph)); tclearregion(src, term.c.y, dst - 1, term.c.y); } @@ -1190,28 +1625,79 @@ tdeleteline(int n) { tscrollup(term.c.y, n); } +ulong +tdefcolor(int *attr, int *npar, int l) { + long idx = -1; + uint r, g, b; + + switch (attr[*npar + 1]) { + case 2: /* direct colour 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 colour */ + 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 colour in CMY space */ + case 4: /* direct colour in CMYK space */ + default: + fprintf(stderr, + "erresc(38): gfx attr %d unknown\n", attr[*npar]); + } + + return idx; +} + void tsetattr(int *attr, int l) { int i; + ulong 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.fg = DefaultFG; - term.c.attr.bg = DefaultBG; + term.c.attr.mode &= ~(ATTR_REVERSE | ATTR_UNDERLINE \ + | ATTR_BOLD | ATTR_ITALIC \ + | ATTR_BLINK); + term.c.attr.fg = defaultfg; + term.c.attr.bg = defaultbg; break; case 1: term.c.attr.mode |= ATTR_BOLD; break; - case 3: /* enter standout (highlight) */ + case 3: term.c.attr.mode |= ATTR_ITALIC; break; case 4: term.c.attr.mode |= ATTR_UNDERLINE; break; - case 5: + case 5: /* slow blink */ + case 6: /* rapid blink */ term.c.attr.mode |= ATTR_BLINK; break; case 7: @@ -1221,57 +1707,47 @@ tsetattr(int *attr, int l) { case 22: term.c.attr.mode &= ~ATTR_BOLD; break; - case 23: /* leave standout (highlight) mode */ + case 23: term.c.attr.mode &= ~ATTR_ITALIC; break; case 24: 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 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; + 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; + term.c.attr.bg = defaultbg; break; default: - if(BETWEEN(attr[i], 30, 37)) + if(BETWEEN(attr[i], 30, 37)) { term.c.attr.fg = attr[i] - 30; - else if(BETWEEN(attr[i], 40, 47)) + } else if(BETWEEN(attr[i], 40, 47)) { term.c.attr.bg = attr[i] - 40; - else if(BETWEEN(attr[i], 90, 97)) + } else if(BETWEEN(attr[i], 90, 97)) { term.c.attr.fg = attr[i] - 90 + 8; - else if(BETWEEN(attr[i], 100, 107)) + } else if(BETWEEN(attr[i], 100, 107)) { term.c.attr.bg = attr[i] - 100 + 8; - else - fprintf(stderr, "erresc(default): gfx attr %d unknown\n", attr[i]), csidump(); + } else { + fprintf(stderr, + "erresc(default): gfx attr %d unknown\n", + attr[i]), csidump(); + } break; } } @@ -1297,61 +1773,99 @@ tsetscroll(int t, int b) { void tsetmode(bool priv, bool set, int *args, int narg) { int *lim, mode; + bool alt; for(lim = args + narg; args < lim; ++args) { if(priv) { switch(*args) { break; case 1: /* DECCKM -- Cursor key */ - MODBIT(term.mode, set, MODE_APPKEYPAD); + MODBIT(term.mode, set, MODE_APPCURSOR); break; - case 5: /* DECSCNM -- Reverve video */ + case 5: /* DECSCNM -- Reverse video */ mode = term.mode; - MODBIT(term.mode,set, MODE_REVERSE); + MODBIT(term.mode, set, MODE_REVERSE); if(mode != term.mode) - redraw(); + redraw(REDRAW_TIMEOUT); break; - case 6: /* XXX: DECOM -- Origin */ + case 6: /* DECOM -- Origin */ + MODBIT(term.c.state, set, CURSOR_ORIGIN); + tmoveato(0, 0); break; case 7: /* DECAWM -- Auto wrap */ MODBIT(term.mode, set, MODE_WRAP); break; - case 8: /* XXX: DECARM -- Auto repeat */ - break; case 0: /* Error (IGNORED) */ + case 2: /* DECANM -- ANSI/VT52 (IGNORED) */ + case 3: /* DECCOLM -- Column (IGNORED) */ + case 4: /* DECSCLM -- Scroll (IGNORED) */ + case 8: /* DECARM -- Auto repeat (IGNORED) */ + case 18: /* DECPFF -- Printer feed (IGNORED) */ + case 19: /* DECPEX -- Printer extent (IGNORED) */ + case 42: /* DECNRCM -- National characters (IGNORED) */ case 12: /* att610 -- Start blinking cursor (IGNORED) */ break; - case 25: - MODBIT(term.c.state, !set, CURSOR_HIDE); + case 25: /* DECTCEM -- Text Cursor Enable Mode */ + MODBIT(term.mode, !set, MODE_HIDE); break; - case 1000: /* 1000,1002: enable xterm mouse report */ + case 9: /* X10 mouse compatibility mode */ + xsetpointermotion(0); + MODBIT(term.mode, 0, MODE_MOUSE); + MODBIT(term.mode, set, MODE_MOUSEX10); + break; + case 1000: /* 1000: report button press */ + xsetpointermotion(0); + MODBIT(term.mode, 0, MODE_MOUSE); MODBIT(term.mode, set, MODE_MOUSEBTN); break; - case 1002: + case 1002: /* 1002: report motion on button press */ + xsetpointermotion(0); + MODBIT(term.mode, 0, MODE_MOUSE); MODBIT(term.mode, set, MODE_MOUSEMOTION); break; - case 1049: /* = 1047 and 1048 */ - case 47: - case 1047: - if(IS_SET(MODE_ALTSCREEN)) - tclearregion(0, 0, term.col-1, term.row-1); - if((set && !IS_SET(MODE_ALTSCREEN)) || - (!set && IS_SET(MODE_ALTSCREEN))) { - tswapscreen(); + case 1003: /* 1003: enable all mouse motions */ + xsetpointermotion(set); + MODBIT(term.mode, 0, MODE_MOUSE); + MODBIT(term.mode, set, MODE_MOUSEMANY); + break; + case 1004: /* 1004: send focus events to tty */ + MODBIT(term.mode, set, MODE_FOCUS); + break; + case 1006: /* 1006: extended reporting mode */ + MODBIT(term.mode, set, MODE_MOUSESGR); + break; + case 1034: + MODBIT(term.mode, set, MODE_8BIT); + break; + case 1049: /* = 1047 and 1048 */ + case 47: + case 1047: + if (!allowaltscreen) + break; + + alt = IS_SET(MODE_ALTSCREEN); + if(alt) { + tclearregion(0, 0, term.col-1, + term.row-1); } + if(set ^ alt) /* set is always 1 or 0 */ + tswapscreen(); if(*args != 1049) break; - /* pass through */ + /* FALLTRU */ case 1048: tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD); break; + /* Not implemented mouse modes. See comments there. */ + case 1001: /* mouse highlight mode; can hang the + terminal by design when implemented. */ + case 1005: /* UTF-8 mouse mode; will confuse + applications not supporting UTF-8 + and luit. */ + case 1015: /* urxvt mangled mouse mode; incompatible + and can be mistaken for other control + codes. */ default: - /* case 2: DECANM -- ANSI/VT52 (NOT SUPPOURTED) */ - /* case 3: DECCOLM -- Column (NOT SUPPORTED) */ - /* case 4: DECSCLM -- Scroll (NOT SUPPORTED) */ - /* case 18: DECPFF -- Printer feed (NOT SUPPORTED) */ - /* case 19: DECPEX -- Printer extent (NOT SUPPORTED) */ - /* case 42: DECNRCM -- National characters (NOT SUPPORTED) */ fprintf(stderr, "erresc: unknown private set/reset mode %d\n", *args); @@ -1367,7 +1881,8 @@ tsetmode(bool priv, bool set, int *args, int narg) { case 4: /* IRM -- Insertion-replacement */ MODBIT(term.mode, set, MODE_INSERT); break; - case 12: /* XXX: SRM -- Send/Receive */ + case 12: /* SRM -- Send/Receive */ + MODBIT(term.mode, !set, MODE_ECHO); break; case 20: /* LNM -- Linefeed/new line */ MODBIT(term.mode, set, MODE_CRLF); @@ -1381,8 +1896,6 @@ tsetmode(bool priv, bool set, int *args, int narg) { } } } -#undef MODBIT - void csihandle(void) { @@ -1398,16 +1911,20 @@ csihandle(void) { tinsertblank(csiescseq.arg[0]); break; case 'A': /* CUU -- Cursor Up */ - case 'e': DEFAULT(csiescseq.arg[0], 1); tmoveto(term.c.x, term.c.y-csiescseq.arg[0]); break; case 'B': /* CUD -- Cursor Down */ + case 'e': /* VPR --Cursor Down */ DEFAULT(csiescseq.arg[0], 1); tmoveto(term.c.x, term.c.y+csiescseq.arg[0]); break; + case 'c': /* DA -- Device Attributes */ + if(csiescseq.arg[0] == 0) + ttywrite(VT102ID, sizeof(VT102ID) - 1); + break; case 'C': /* CUF -- Cursor Forward */ - case 'a': + case 'a': /* HPR -- Cursor Forward */ DEFAULT(csiescseq.arg[0], 1); tmoveto(term.c.x+csiescseq.arg[0], term.c.y); break; @@ -1424,7 +1941,7 @@ csihandle(void) { tmoveto(0, term.c.y-csiescseq.arg[0]); break; case 'g': /* TBC -- Tabulation clear */ - switch (csiescseq.arg[0]) { + switch(csiescseq.arg[0]) { case 0: /* clear current tab stop */ term.tabs[term.c.x] = 0; break; @@ -1444,7 +1961,7 @@ csihandle(void) { case 'f': /* HVP */ DEFAULT(csiescseq.arg[0], 1); DEFAULT(csiescseq.arg[1], 1); - tmoveto(csiescseq.arg[1]-1, csiescseq.arg[0]-1); + tmoveato(csiescseq.arg[1]-1, csiescseq.arg[0]-1); break; case 'I': /* CHT -- Cursor Forward Tabulation tab stops */ DEFAULT(csiescseq.arg[0], 1); @@ -1452,12 +1969,14 @@ csihandle(void) { tputtab(1); break; case 'J': /* ED -- Clear screen */ - sel.bx = -1; + selclear(NULL); switch(csiescseq.arg[0]) { case 0: /* below */ tclearregion(term.c.x, term.c.y, term.col-1, term.c.y); - if(term.c.y < term.row-1) - tclearregion(0, term.c.y+1, term.col-1, term.row-1); + if(term.c.y < term.row-1) { + tclearregion(0, term.c.y+1, term.col-1, + term.row-1); + } break; case 1: /* above */ if(term.c.y > 1) @@ -1474,7 +1993,8 @@ csihandle(void) { case 'K': /* EL -- Clear line */ switch(csiescseq.arg[0]) { case 0: /* right */ - tclearregion(term.c.x, term.c.y, term.col-1, term.c.y); + tclearregion(term.c.x, term.c.y, term.col-1, + term.c.y); break; case 1: /* left */ tclearregion(0, term.c.y, term.c.x, term.c.y); @@ -1505,7 +2025,8 @@ csihandle(void) { break; case 'X': /* ECH -- Erase char */ DEFAULT(csiescseq.arg[0], 1); - tclearregion(term.c.x, term.c.y, term.c.x + csiescseq.arg[0], term.c.y); + tclearregion(term.c.x, term.c.y, + term.c.x + csiescseq.arg[0] - 1, term.c.y); break; case 'P': /* DCH -- Delete char */ DEFAULT(csiescseq.arg[0], 1); @@ -1518,7 +2039,7 @@ csihandle(void) { break; case 'd': /* VPA -- Move to */ DEFAULT(csiescseq.arg[0], 1); - tmoveto(term.c.x, csiescseq.arg[0]-1); + tmoveato(term.c.x, csiescseq.arg[0]-1); break; case 'h': /* SM -- Set terminal mode */ tsetmode(csiescseq.priv, 1, csiescseq.arg, csiescseq.narg); @@ -1527,13 +2048,13 @@ csihandle(void) { tsetattr(csiescseq.arg, csiescseq.narg); break; case 'r': /* DECSTBM -- Set Scrolling Region */ - if(csiescseq.priv) + if(csiescseq.priv) { goto unknown; - else { + } else { DEFAULT(csiescseq.arg[0], 1); DEFAULT(csiescseq.arg[1], term.row); tsetscroll(csiescseq.arg[0]-1, csiescseq.arg[1]-1); - tmoveto(0, 0); + tmoveato(0, 0); } break; case 's': /* DECSC -- Save cursor position (ANSI.SYS) */ @@ -1548,14 +2069,22 @@ csihandle(void) { void csidump(void) { int i; + uint c; + printf("ESC["); for(i = 0; i < csiescseq.len; i++) { - uint c = csiescseq.buf[i] & 0xff; - if(isprint(c)) putchar(c); - else if(c == '\n') printf("(\\n)"); - else if(c == '\r') printf("(\\r)"); - else if(c == 0x1b) printf("(\\e)"); - else printf("(%02x)", c); + c = csiescseq.buf[i] & 0xff; + if(isprint(c)) { + putchar(c); + } else if(c == '\n') { + printf("(\\n)"); + } else if(c == '\r') { + printf("(\\r)"); + } else if(c == 0x1b) { + printf("(\\e)"); + } else { + printf("(%02x)", c); + } } putchar('\n'); } @@ -1567,32 +2096,37 @@ csireset(void) { void strhandle(void) { - char *p; + char *p = NULL; + int i, j, narg; - /* - * TODO: make this being useful in case of color palette change. - */ strparse(); - - p = strescseq.buf; + narg = strescseq.narg; switch(strescseq.type) { case ']': /* OSC -- Operating System Command */ - switch(p[0]) { - case '0': - case '1': - case '2': - /* - * TODO: Handle special chars in string, like umlauts. - */ - if(p[1] == ';') { - XStoreName(xw.dpy, xw.win, strescseq.buf+2); - } - break; - case ';': - XStoreName(xw.dpy, xw.win, strescseq.buf+1); + switch(i = atoi(strescseq.args[0])) { + case 0: + case 1: + case 2: + if(narg > 1) + xsettitle(strescseq.args[1]); break; - case '4': /* TODO: Set color (arg0) to "rgb:%hexr/$hexg/$hexb" (arg1) */ + case 4: /* color set */ + if(narg < 3) + break; + p = strescseq.args[2]; + /* fall through */ + case 104: /* color reset, here p = NULL */ + j = (narg > 1) ? atoi(strescseq.args[1]) : -1; + if (!xsetcolorname(j, p)) { + fprintf(stderr, "erresc: invalid color %s\n", p); + } else { + /* + * TODO if defaultbg color is changed, borders + * are dirty + */ + redraw(0); + } break; default: fprintf(stderr, "erresc: unknown str "); @@ -1601,7 +2135,7 @@ strhandle(void) { } break; case 'k': /* old title set compatibility */ - XStoreName(xw.dpy, xw.win, strescseq.buf); + xsettitle(strescseq.args[0]); break; case 'P': /* DSC -- Device Control String */ case '_': /* APC -- Application Program Command */ @@ -1616,24 +2150,35 @@ strhandle(void) { void strparse(void) { - /* - * TODO: Implement parsing like for CSI when required. - * Format: ESC type cmd ';' arg0 [';' argn] ESC \ - */ - return; + 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, ";"); } void strdump(void) { int i; + uint c; + printf("ESC%c", strescseq.type); for(i = 0; i < strescseq.len; i++) { - uint c = strescseq.buf[i] & 0xff; - if(isprint(c)) putchar(c); - else if(c == '\n') printf("(\\n)"); - else if(c == '\r') printf("(\\r)"); - else if(c == 0x1b) printf("(\\e)"); - else printf("(%02x)", c); + c = strescseq.buf[i] & 0xff; + if(c == '\0') { + return; + } else if(isprint(c)) { + putchar(c); + } else if(c == '\n') { + printf("(\\n)"); + } else if(c == '\r') { + printf("(\\r)"); + } else if(c == 0x1b) { + printf("(\\e)"); + } else { + printf("(%02x)", c); + } } printf("ESC\\\n"); } @@ -1662,34 +2207,136 @@ tputtab(bool forward) { } void +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'; + tputc("^", 1); + } + tputc(&c, 1); + } else { + break; + } + } + if(len) + tputc(buf, len); +} + +void tputc(char *c, int len) { - char ascii = *c; + uchar ascii = *c; + bool control = ascii < '\x20' || ascii == 0177; + + 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(iofd != -1) - write(iofd, c, len); + /* + * STR sequences must be checked before anything else + * because it can use some control codes as part of the sequence. + */ + 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(); + */ + } + } + return; + } - if(term.esc & ESC_START) { + /* + * Actions of control codes must be performed as soon they arrive + * because they can be embedded inside a control sequence, and + * 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; + } + } else if(term.esc & ESC_START) { if(term.esc & ESC_CSI) { csiescseq.buf[csiescseq.len++] = ascii; - if(BETWEEN(ascii, 0x40, 0x7E) || csiescseq.len >= ESC_BUF_SIZ) { - term.esc = 0; - csiparse(), csihandle(); - } - } else if(term.esc & ESC_STR) { - switch(ascii) { - case '\033': - term.esc = ESC_START | ESC_STR_END; - break; - case '\a': /* backwards compatibility to xterm */ + if(BETWEEN(ascii, 0x40, 0x7E) + || csiescseq.len >= \ + sizeof(csiescseq.buf)-1) { term.esc = 0; - strhandle(); - break; - default: - strescseq.buf[strescseq.len++] = ascii; - if(strescseq.len+1 >= STR_BUF_SIZ) { - term.esc = 0; - strhandle(); - } + csiparse(); + csihandle(); } } else if(term.esc & ESC_STR_END) { term.esc = 0; @@ -1713,11 +2360,25 @@ tputc(char *c, int len) { fprintf(stderr, "esc unhandled charset: ESC ( %c\n", ascii); } term.esc = 0; + } 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; } 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 */ @@ -1736,10 +2397,11 @@ tputc(char *c, int len) { term.esc = 0; break; case 'D': /* IND -- Linefeed */ - if(term.c.y == term.bot) + if(term.c.y == term.bot) { tscrollup(term.top, 1); - else + } else { tmoveto(term.c.x, term.c.y+1); + } term.esc = 0; break; case 'E': /* NEL -- Next line */ @@ -1751,17 +2413,22 @@ tputc(char *c, int len) { term.esc = 0; break; case 'M': /* RI -- Reverse index */ - if(term.c.y == term.top) + if(term.c.y == term.top) { tscrolldown(term.top, 1); - else + } 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; - xclear(0, 0, xw.w, xw.h); xresettitle(); + xloadcols(); break; case '=': /* DECPAM -- Application keypad */ term.mode |= MODE_APPKEYPAD; @@ -1784,57 +2451,50 @@ tputc(char *c, int len) { break; default: fprintf(stderr, "erresc: unknown sequence ESC 0x%02X '%c'\n", - (uchar) ascii, isprint(ascii)?ascii:'.'); + (uchar) ascii, isprint(ascii)? ascii:'.'); 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); + if(IS_SET(MODE_WRAP) && (term.c.state & CURSOR_WRAPNEXT)) { + term.line[term.c.y][term.c.x].mode |= ATTR_WRAP; + tnewline(1); + } + + 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)); + } + + 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); } else { - if(sel.bx != -1 && BETWEEN(term.c.y, sel.by, sel.ey)) - sel.bx = -1; - switch(ascii) { - case '\0': /* padding character, do nothing */ - break; - case '\t': - tputtab(1); - break; - case '\b': - tmoveto(term.c.x-1, term.c.y); - break; - case '\r': - tmoveto(0, term.c.y); - break; - case '\f': - case '\v': - case '\n': - /* go to first col if the mode is set */ - tnewline(IS_SET(MODE_CRLF)); - break; - case '\a': - if(!(xw.state & WIN_FOCUSED)) - xseturgency(1); - break; - case '\033': - csireset(); - term.esc = ESC_START; - break; - default: - if(IS_SET(MODE_WRAP) && term.c.state & CURSOR_WRAPNEXT) - tnewline(1); /* always go to first col */ - tsetchar(c); - if(term.c.x+1 < term.col) - tmoveto(term.c.x+1, term.c.y); - else - term.c.state |= CURSOR_WRAPNEXT; - } + term.c.state |= CURSOR_WRAPNEXT; } } int tresize(int col, int row) { - int i, x; + int i; int minrow = MIN(row, term.row); int mincol = MIN(col, term.col); int slide = term.c.y - row + 1; + bool *bp; + Line *orig; if(col < 1 || row < 1) return 0; @@ -1842,9 +2502,11 @@ tresize(int col, int row) { /* free unneeded rows */ i = 0; if(slide > 0) { - /* slide screen to keep cursor where we expect it - + /* + * slide screen to keep cursor where we expect it - * tscrollup would work here, but we can optimize to - * memmove because we're freeing the earlier lines */ + * memmove because we're freeing the earlier lines + */ for(/* i = 0 */; i < slide; i++) { free(term.line[i]); free(term.alt[i]); @@ -1868,10 +2530,6 @@ tresize(int col, int row) { term.dirty[i] = 1; term.line[i] = xrealloc(term.line[i], col * sizeof(Glyph)); term.alt[i] = xrealloc(term.alt[i], col * sizeof(Glyph)); - for(x = mincol; x < col; x++) { - term.line[i][x].state = 0; - term.alt[i][x].state = 0; - } } /* allocate any new rows */ @@ -1881,85 +2539,154 @@ tresize(int col, int row) { term.alt [i] = xcalloc(col, sizeof(Glyph)); } if(col > term.col) { - bool *bp = term.tabs + term.col; + bp = term.tabs + term.col; memset(bp, 0, sizeof(*term.tabs) * (col - term.col)); while(--bp > term.tabs && !*bp) /* nothing */ ; - for(bp += TAB; bp < term.tabs + col; bp += TAB) + for(bp += tabspaces; bp < term.tabs + col; bp += tabspaces) *bp = 1; } /* update terminal size */ - term.col = col, term.row = row; - /* make use of the LIMIT in tmoveto */ - tmoveto(term.c.x, term.c.y); + term.col = col; + term.row = row; /* reset scrolling region */ 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 { + if(mincol < col && 0 < minrow) { + tclearregion(mincol, 0, col - 1, minrow - 1); + } + if(0 < col && minrow < row) { + tclearregion(0, minrow, col - 1, row - 1); + } + tswapscreen(); + } while(orig != term.line); return (slide > 0); } void xresize(int col, int row) { - xw.tw = MAX(1, 2*BORDER + col * xw.cw); - xw.th = MAX(1, 2*BORDER + row * xw.ch); + xw.tw = MAX(1, col * xw.cw); + xw.th = MAX(1, row * xw.ch); - XftDrawChange(xw.xft_draw, xw.buf); + XFreePixmap(xw.dpy, xw.buf); + xw.buf = XCreatePixmap(xw.dpy, xw.win, xw.w, xw.h, + DefaultDepth(xw.dpy, xw.scr)); + XftDrawChange(xw.draw, xw.buf); + xclear(0, 0, xw.w, xw.h); +} + +static inline ushort +sixd_to_16bit(int x) { + return x == 0 ? 0 : 0x3737 + 0x2828 * x; } void xloadcols(void) { int i, r, g, b; - XRenderColor xft_color = { .alpha = 0 }; - ulong white = WhitePixel(xw.dpy, xw.scr); + XRenderColor color = { .alpha = 0xffff }; + static bool loaded; + Colour *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) */ for(i = 0; i < LEN(colorname); i++) { if(!colorname[i]) continue; - if(!XftColorAllocName(xw.dpy, xw.vis, xw.cmap, colorname[i], &dc.xft_col[i])) { - dc.col[i] = white; - fprintf(stderr, "Could not allocate color '%s'\n", colorname[i]); - } else - dc.col[i] = dc.xft_col[i].pixel; + if(!XftColorAllocName(xw.dpy, xw.vis, xw.cmap, colorname[i], &dc.col[i])) { + die("Could not allocate color '%s'\n", colorname[i]); + } } /* load colors [16-255] ; same colors as xterm */ - for(i = 16, r = 0; r < 6; r++) - for(g = 0; g < 6; g++) + for(i = 16, r = 0; r < 6; r++) { + for(g = 0; g < 6; g++) { for(b = 0; b < 6; b++) { - xft_color.red = r == 0 ? 0 : 0x3737 + 0x2828 * r; - xft_color.green = g == 0 ? 0 : 0x3737 + 0x2828 * g; - xft_color.blue = b == 0 ? 0 : 0x3737 + 0x2828 * b; - if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &xft_color, &dc.xft_col[i])) { - dc.col[i] = white; - fprintf(stderr, "Could not allocate color %d\n", i); - } else - dc.col[i] = dc.xft_col[i].pixel; + 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++; } + } + } for(r = 0; r < 24; r++, i++) { - xft_color.red = xft_color.green = xft_color.blue = 0x0808 + 0x0a0a * r; - if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &xft_color, &dc.xft_col[i])) { - dc.col[i] = white; - fprintf(stderr, "Could not allocate color %d\n", i); - } else - dc.col[i] = dc.xft_col[i].pixel; + color.red = color.green = color.blue = 0x0808 + 0x0a0a * r; + 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; + 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 { + name = colorname[x]; + } + } + if(!XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, &colour)) + return 0; + dc.col[x] = colour; + return 1; } void +xtermclear(int col1, int row1, int col2, int row2) { + XftDrawRect(xw.draw, + &dc.col[IS_SET(MODE_REVERSE) ? defaultfg : defaultbg], + borderpx + col1 * xw.cw, + borderpx + row1 * xw.ch, + (col2-col1+1) * xw.cw, + (row2-row1+1) * xw.ch); +} + +/* + * Absolute coordinates. + */ +void xclear(int x1, int y1, int x2, int y2) { - XSetForeground(xw.dpy, dc.gc, dc.col[IS_SET(MODE_REVERSE) ? DefaultFG : DefaultBG]); - XFillRectangle(xw.dpy, xw.buf, dc.gc, - BORDER + x1 * xw.cw, BORDER + y1 * xw.ch, - (x2-x1+1) * xw.cw, (y2-y1+1) * xw.ch); + XftDrawRect(xw.draw, + &dc.col[IS_SET(MODE_REVERSE)? defaultfg : defaultbg], + x1, y1, x2-x1, y2-y1); } void xhints(void) { - XClassHint class = {opt_class ? opt_class : TNAME, TNAME}; + XClassHint class = {opt_class ? opt_class : termname, termname}; XWMHints wm = {.flags = InputHint, .input = 1}; XSizeHints *sizeh = NULL; @@ -1970,8 +2697,8 @@ xhints(void) { sizeh->width = xw.w; sizeh->height_inc = xw.ch; sizeh->width_inc = xw.cw; - sizeh->base_height = 2*BORDER; - sizeh->base_width = 2*BORDER; + sizeh->base_height = 2 * borderpx; + sizeh->base_width = 2 * borderpx; } else { sizeh->flags = PMaxSize | PMinSize; sizeh->min_width = sizeh->max_width = xw.fw; @@ -1982,33 +2709,142 @@ xhints(void) { XFree(sizeh); } -void -xinitfont(Font *f, char *fontstr) { - f->xft_set = XftFontOpenName(xw.dpy, xw.scr, fontstr); +int +xloadfont(Font *f, FcPattern *pattern) { + FcPattern *match; + FcResult result; - if(!f->xft_set) - die("st: can't open font %s.\n", fontstr); + match = FcFontMatch(NULL, pattern, &result); + if(!match) + return 1; - f->ascent = f->xft_set->ascent; - f->descent = f->xft_set->descent; + if(!(f->match = XftFontOpenPattern(xw.dpy, match))) { + FcPatternDestroy(match); + return 1; + } + + f->set = NULL; + f->pattern = FcPatternDuplicate(pattern); + + f->ascent = f->match->ascent; + f->descent = f->match->descent; f->lbearing = 0; - f->rbearing = f->xft_set->max_advance_width; + f->rbearing = f->match->max_advance_width; + + f->height = f->ascent + f->descent; + f->width = f->lbearing + f->rbearing; + + return 0; } void -initfonts(char *fontstr, char *bfontstr, char *ifontstr, char *ibfontstr) { - xinitfont(&dc.font, fontstr); - xinitfont(&dc.bfont, bfontstr); - xinitfont(&dc.ifont, ifontstr); - xinitfont(&dc.ibfont, ibfontstr); +xloadfonts(char *fontstr, int fontsize) { + FcPattern *pattern; + FcResult result; + double fontval; + + if(fontstr[0] == '-') { + pattern = XftXlfdParse(fontstr, False, False); + } else { + pattern = FcNameParse((FcChar8 *)fontstr); + } + + if(!pattern) + die("st: can't open font %s\n", fontstr); + + if(fontsize > 0) { + FcPatternDel(pattern, FC_PIXEL_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; + } else { + /* + * Default font size is 12, if none given. This is to + * have a known usedfontsize value. + */ + FcPatternAddDouble(pattern, FC_PIXEL_SIZE, 12); + usedfontsize = 12; + } + } + + FcConfigSubstitute(0, pattern, FcMatchPattern); + FcDefaultSubstitute(pattern); + + if(xloadfont(&dc.font, pattern)) + die("st: can't open font %s\n", fontstr); + + /* Setting character width and height. */ + xw.cw = dc.font.width; + xw.ch = dc.font.height; + + FcPatternDel(pattern, FC_SLANT); + FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC); + if(xloadfont(&dc.ifont, pattern)) + die("st: can't open font %s\n", fontstr); + + FcPatternDel(pattern, FC_WEIGHT); + FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD); + if(xloadfont(&dc.ibfont, pattern)) + die("st: can't open font %s\n", fontstr); + + FcPatternDel(pattern, FC_SLANT); + FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN); + if(xloadfont(&dc.bfont, pattern)) + die("st: can't open font %s\n", fontstr); + + FcPatternDestroy(pattern); +} + +int +xloadfontset(Font *f) { + FcResult result; + + if(!(f->set = FcFontSort(0, f->pattern, FcTrue, 0, &result))) + return 1; + return 0; +} + +void +xunloadfont(Font *f) { + XftFontClose(xw.dpy, f->match); + FcPatternDestroy(f->pattern); + if(f->set) + FcFontSetDestroy(f->set); +} + +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; + + xunloadfont(&dc.font); + xunloadfont(&dc.bfont); + xunloadfont(&dc.ifont); + xunloadfont(&dc.ibfont); +} + +void +xzoom(const Arg *arg) { + xunloadfonts(); + xloadfonts(usedfont, usedfontsize + arg->i); + cresize(0, 0); + redraw(0); } void xinit(void) { - XSetWindowAttributes attrs; + XGCValues gcvalues; Cursor cursor; Window parent; - int sw, sh, major, minor; + int sw, sh; if(!(xw.dpy = XOpenDisplay(NULL))) die("Can't open display\n"); @@ -2016,11 +2852,11 @@ xinit(void) { xw.vis = XDefaultVisual(xw.dpy, xw.scr); /* font */ - initfonts(FONT, BOLDFONT, ITALICFONT, ITALICBOLDFONT); + if(!FcInit()) + die("Could not init fontconfig.\n"); - /* XXX: Assuming same size for bold font */ - xw.cw = dc.font.rbearing - dc.font.lbearing; - xw.ch = dc.font.ascent + dc.font.descent; + usedfont = (opt_font == NULL)? font : opt_font; + xloadfonts(usedfont, 0); /* colors */ xw.cmap = XDefaultColormap(xw.dpy, xw.scr); @@ -2039,43 +2875,57 @@ xinit(void) { xw.w = xw.fw; } else { /* window - default size */ - xw.h = 2*BORDER + term.row * xw.ch; - xw.w = 2*BORDER + term.col * xw.cw; + xw.h = 2 * borderpx + term.row * xw.ch; + xw.w = 2 * borderpx + term.col * xw.cw; xw.fx = 0; xw.fy = 0; } - attrs.background_pixel = dc.col[DefaultBG]; - attrs.border_pixel = dc.col[DefaultBG]; - attrs.bit_gravity = NorthWestGravity; - attrs.event_mask = FocusChangeMask | KeyPressMask + /* Events */ + xw.attrs.background_pixel = dc.col[defaultbg].pixel; + xw.attrs.border_pixel = dc.col[defaultbg].pixel; + xw.attrs.bit_gravity = NorthWestGravity; + xw.attrs.event_mask = FocusChangeMask | KeyPressMask | ExposureMask | VisibilityChangeMask | StructureNotifyMask | ButtonMotionMask | ButtonPressMask | ButtonReleaseMask; - attrs.colormap = xw.cmap; + xw.attrs.colormap = xw.cmap; - parent = opt_embed ? strtol(opt_embed, NULL, 0) : XRootWindow(xw.dpy, xw.scr); + parent = opt_embed ? strtol(opt_embed, NULL, 0) : \ + XRootWindow(xw.dpy, xw.scr); xw.win = XCreateWindow(xw.dpy, parent, xw.fx, xw.fy, xw.w, xw.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput, - xw.vis, - CWBackPixel | CWBorderPixel | CWBitGravity | CWEventMask - | CWColormap, - &attrs); - - /* double buffering */ - if(!XdbeQueryExtension(xw.dpy, &major, &minor)) - die("Xdbe extension is not present\n"); - xw.buf = XdbeAllocateBackBufferName(xw.dpy, xw.win, XdbeCopied); + xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity + | CWEventMask | CWColormap, &xw.attrs); + + memset(&gcvalues, 0, sizeof(gcvalues)); + gcvalues.graphics_exposures = False; + dc.gc = XCreateGC(xw.dpy, parent, GCGraphicsExposures, + &gcvalues); + xw.buf = XCreatePixmap(xw.dpy, xw.win, xw.w, xw.h, + DefaultDepth(xw.dpy, xw.scr)); + XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel); + XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, xw.w, xw.h); /* Xft rendering context */ - xw.xft_draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap); + xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap); /* input methods */ - xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL); + if((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) { + XSetLocaleModifiers("@im=local"); + if((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) { + XSetLocaleModifiers("@im="); + if((xw.xim = XOpenIM(xw.dpy, + NULL, NULL, NULL)) == NULL) { + die("XOpenIM failed. Could not open input" + " device.\n"); + } + } + } xw.xic = XCreateIC(xw.xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing, XNClientWindow, xw.win, XNFocusWindow, xw.win, NULL); - /* gc */ - dc.gc = XCreateGC(xw.dpy, xw.win, 0, NULL); + if(xw.xic == NULL) + die("XCreateIC failed. Could not obtain input method.\n"); /* white cursor, black outline */ cursor = XCreateFontCursor(xw.dpy, XC_xterm); @@ -2085,6 +2935,8 @@ xinit(void) { &(XColor){.red = 0x0000, .green = 0x0000, .blue = 0x0000}); xw.xembed = XInternAtom(xw.dpy, "_XEMBED", False); + xw.wmdeletewin = XInternAtom(xw.dpy, "WM_DELETE_WINDOW", False); + XSetWMProtocols(xw.dpy, xw.win, &xw.wmdeletewin, 1); xresettitle(); XMapWindow(xw.dpy, xw.win); @@ -2094,100 +2946,340 @@ xinit(void) { void xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) { - int fg = base.fg, bg = base.bg, temp; - int winx = BORDER+x*xw.cw, winy = BORDER+y*xw.ch + dc.font.ascent, width = charlen*xw.cw; + int winx = borderpx + x * xw.cw, winy = borderpx + y * xw.ch, + width = charlen * xw.cw, xp, i; + int frcflags; + int u8fl, u8fblen, u8cblen, doesexist; + char *u8c, *u8fs; + long u8char; Font *font = &dc.font; - XGlyphInfo extents; + FcResult fcres; + FcPattern *fcpattern, *fontpattern; + FcFontSet *fcsets[] = { NULL }; + FcCharSet *fccharset; + Colour *fg, *bg, *temp, revfg, revbg, truefg, truebg; + XRenderColor colfg, colbg; + Rectangle r; + + frcflags = FRC_NORMAL; + + if(base.mode & ATTR_ITALIC) { + if(base.fg == defaultfg) + base.fg = defaultitalic; + font = &dc.ifont; + frcflags = FRC_ITALIC; + } else if((base.mode & ATTR_ITALIC) && (base.mode & ATTR_BOLD)) { + if(base.fg == defaultfg) + base.fg = defaultitalic; + font = &dc.ibfont; + frcflags = FRC_ITALICBOLD; + } else if(base.mode & ATTR_UNDERLINE) { + if(base.fg == defaultfg) + base.fg = defaultunderline; + } + if(IS_TRUECOL(base.fg)) { + 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]; + } - /* only switch default fg/bg if term is in RV mode */ - if(IS_SET(MODE_REVERSE)) { - if(fg == DefaultFG) - fg = DefaultBG; - if(bg == DefaultBG) - bg = DefaultFG; + if(IS_TRUECOL(base.bg)) { + 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_REVERSE) - temp = fg, fg = bg, bg = temp; + if(base.mode & ATTR_BOLD) { - fg += 8; + 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 + */ font = &dc.bfont; + frcflags = FRC_BOLD; } - if(base.mode & ATTR_ITALIC) - font = &dc.ifont; - if(base.mode & (ATTR_ITALIC|ATTR_ITALIC)) - font = &dc.ibfont; + if(IS_SET(MODE_REVERSE)) { + if(fg == &dc.col[defaultfg]) { + fg = &dc.col[defaultbg]; + } else { + colfg.red = ~fg->color.red; + colfg.green = ~fg->color.green; + colfg.blue = ~fg->color.blue; + colfg.alpha = fg->color.alpha; + XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &revfg); + fg = &revfg; + } + + if(bg == &dc.col[defaultbg]) { + bg = &dc.col[defaultfg]; + } else { + colbg.red = ~bg->color.red; + colbg.green = ~bg->color.green; + colbg.blue = ~bg->color.blue; + colbg.alpha = bg->color.alpha; + XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, &revbg); + bg = &revbg; + } + } + + if(base.mode & ATTR_REVERSE) { + temp = fg; + fg = bg; + bg = temp; + } + + if(base.mode & ATTR_BLINK && term.mode & MODE_BLINK) + fg = bg; + + /* Intelligent cleaning up of the borders. */ + if(x == 0) { + xclear(0, (y == 0)? 0 : winy, borderpx, + winy + xw.ch + ((y >= term.row-1)? xw.h : 0)); + } + if(x + charlen >= term.col) { + xclear(winx + width, (y == 0)? 0 : winy, xw.w, + ((y >= term.row-1)? xw.h : (winy + xw.ch))); + } + if(y == 0) + xclear(winx, 0, winx + width, borderpx); + if(y == term.row-1) + xclear(winx, winy + xw.ch, winx + width, xw.h); + + /* Clean up the region we want to draw to. */ + XftDrawRect(xw.draw, bg, winx, winy, width, xw.ch); + + /* Set the clip region because Xft is sometimes dirty. */ + r.x = 0; + r.y = 0; + r.height = xw.ch; + r.width = width; + XftDrawSetClipRectangles(xw.draw, winx, winy, &r, 1); + + for(xp = winx; bytelen > 0;) { + /* + * Search for the range in the to be printed string of glyphs + * that are in the main font. Then print that range. If + * some glyph is found that is not in the font, do the + * fallback dance. + */ + u8fs = s; + u8fblen = 0; + u8fl = 0; + for(;;) { + u8c = s; + u8cblen = utf8decode(s, &u8char); + 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; + } + + u8fl++; + u8fblen += u8cblen; + } + if(doesexist) + break; + + /* Search the font cache. */ + for(i = 0; i < frclen; i++) { + if(XftCharExists(xw.dpy, frc[i].font, u8char) + && frc[i].flags == frcflags) { + break; + } + } + + /* Nothing was found. */ + if(i >= frclen) { + if(!font->set) + xloadfontset(font); + fcsets[0] = font->set; + + /* + * Nothing was found in the cache. Now use + * some dozen of Fontconfig calls to get the + * font for one single character. + */ + fcpattern = FcPatternDuplicate(font->pattern); + fccharset = FcCharSetCreate(); - XSetBackground(xw.dpy, dc.gc, dc.col[bg]); - XSetForeground(xw.dpy, dc.gc, dc.col[fg]); + FcCharSetAddChar(fccharset, u8char); + FcPatternAddCharSet(fcpattern, FC_CHARSET, + fccharset); + FcPatternAddBool(fcpattern, FC_SCALABLE, + FcTrue); - XftTextExtentsUtf8(xw.dpy, font->xft_set, (FcChar8 *)s, bytelen, &extents); - width = extents.xOff; - XftDrawRect(xw.xft_draw, &dc.xft_col[bg], winx, winy - font->ascent, width, xw.ch); - XftDrawStringUtf8(xw.xft_draw, &dc.xft_col[fg], font->xft_set, winx, winy, (FcChar8 *)s, bytelen); + FcConfigSubstitute(0, fcpattern, + FcMatchPattern); + FcDefaultSubstitute(fcpattern); - if(base.mode & ATTR_UNDERLINE) - XDrawLine(xw.dpy, xw.buf, dc.gc, winx, winy+1, winx+width-1, winy+1); + fontpattern = FcFontSetMatch(0, fcsets, + FcTrue, fcpattern, &fcres); + + /* + * Overwrite or create the new cache entry. + */ + if(frclen >= LEN(frc)) { + frclen = LEN(frc) - 1; + XftFontClose(xw.dpy, frc[frclen].font); + } + + frc[frclen].font = XftFontOpenPattern(xw.dpy, + fontpattern); + frc[frclen].flags = frcflags; + + i = frclen; + frclen++; + + FcPatternDestroy(fcpattern); + FcCharSetDestroy(fccharset); + } + + XftDrawStringUtf8(xw.draw, fg, frc[i].font, + xp, winy + frc[i].font->ascent, + (FcChar8 *)u8c, u8cblen); + + xp += font->width; + } + + /* + XftDrawStringUtf8(xw.draw, fg, font->set, winx, + winy + font->ascent, (FcChar8 *)s, bytelen); + */ + + if(base.mode & ATTR_UNDERLINE) { + XftDrawRect(xw.draw, fg, winx, winy + font->ascent + 1, + width, 1); + } + + /* Reset clip to none. */ + XftDrawSetClip(xw.draw, 0); } void xdrawcursor(void) { - static int oldx = 0; - static int oldy = 0; + static int oldx = 0, oldy = 0; int sl; - Glyph g = {{' '}, ATTR_NULL, DefaultBG, DefaultCS, 0}; + Glyph g = {{' '}, ATTR_NULL, defaultbg, defaultcs}; LIMIT(oldx, 0, term.col-1); LIMIT(oldy, 0, term.row-1); - if(term.line[term.c.y][term.c.x].state & GLYPH_SET) - memcpy(g.c, term.line[term.c.y][term.c.x].c, UTF_SIZ); + memcpy(g.c, term.line[term.c.y][term.c.x].c, UTF_SIZ); /* remove the old cursor */ - if(term.line[oldy][oldx].state & GLYPH_SET) { - sl = utf8size(term.line[oldy][oldx].c); - xdraws(term.line[oldy][oldx].c, term.line[oldy][oldx], oldx, oldy, 1, sl); - } else - xclear(oldx, oldy, oldx, oldy); + sl = utf8size(term.line[oldy][oldx].c); + xdraws(term.line[oldy][oldx].c, term.line[oldy][oldx], oldx, + oldy, 1, sl); /* draw the new one */ - if(!(term.c.state & CURSOR_HIDE)) { - if(!(xw.state & WIN_FOCUSED)) - g.bg = DefaultUCS; - - if(IS_SET(MODE_REVERSE)) - g.mode |= ATTR_REVERSE, g.fg = DefaultCS, g.bg = DefaultFG; + 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; + } - sl = utf8size(g.c); - xdraws(g.c, g, term.c.x, term.c.y, 1, sl); + 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); + } oldx = term.c.x, oldy = term.c.y; } } + +void +xsettitle(char *p) { + XTextProperty prop; + + Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle, + &prop); + XSetWMName(xw.dpy, xw.win, &prop); +} + void xresettitle(void) { - XStoreName(xw.dpy, xw.win, opt_title ? opt_title : "st"); + xsettitle(opt_title ? opt_title : "st"); } void -redraw(void) { - struct timespec tv = {0, REDRAW_TIMEOUT * 1000}; +redraw(int timeout) { + struct timespec tv = {0, timeout * 1000}; - xclear(0, 0, xw.w, xw.h); tfulldirt(); draw(); - XSync(xw.dpy, False); /* necessary for a good tput flash */ - nanosleep(&tv, NULL); + + if(timeout > 0) { + nanosleep(&tv, NULL); + XSync(xw.dpy, False); /* necessary for a good tput flash */ + } } void -draw() { - XdbeSwapInfo swpinfo[1] = {{xw.win, XdbeCopied}}; - +draw(void) { drawregion(0, 0, term.col, term.row); - XdbeSwapBuffers(xw.dpy, swpinfo, 1); + XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, 0, 0, xw.w, + xw.h, 0, 0); + XSetForeground(xw.dpy, dc.gc, + dc.col[IS_SET(MODE_REVERSE)? + defaultfg : defaultbg].pixel); } void @@ -2195,39 +3287,40 @@ 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.bx != -1, alt = IS_SET(MODE_ALTSCREEN); + bool ena_sel = sel.ob.x != -1; - if((sel.alt && !alt) || (!sel.alt && alt)) + if(sel.alt ^ IS_SET(MODE_ALTSCREEN)) ena_sel = 0; + if(!(xw.state & WIN_VISIBLE)) return; for(y = y1; y < y2; y++) { if(!term.dirty[y]) continue; - xclear(0, y, term.col, y); + + xtermclear(0, y, term.col, y); term.dirty[y] = 0; base = term.line[y][0]; ic = ib = ox = 0; for(x = x1; x < x2; x++) { new = term.line[y][x]; - if(ena_sel && *(new.c) && selected(x, y)) + if(ena_sel && selected(x, y)) new.mode ^= ATTR_REVERSE; - if(ib > 0 && (!(new.state & GLYPH_SET) || ATTRCMP(base, new) || - ib >= DRAW_BUF_SIZ-UTF_SIZ)) { + if(ib > 0 && (ATTRCMP(base, new) + || ib >= DRAW_BUF_SIZ-UTF_SIZ)) { xdraws(buf, base, ox, y, ic, ib); ic = ib = 0; } - if(new.state & GLYPH_SET) { - if(ib == 0) { - ox = x; - base = new; - } - sl = utf8size(new.c); - memcpy(buf+ib, new.c, sl); - ib += sl; - ++ic; + if(ib == 0) { + ox = x; + base = new; } + + sl = utf8size(new.c); + memcpy(buf+ib, new.c, sl); + ib += sl; + ++ic; } if(ib > 0) xdraws(buf, base, ox, y, ic, ib); @@ -2238,20 +3331,24 @@ drawregion(int x1, int y1, int x2, int y2) { void expose(XEvent *ev) { XExposeEvent *e = &ev->xexpose; + if(xw.state & WIN_REDRAW) { if(!e->count) xw.state &= ~WIN_REDRAW; } + redraw(0); } void visibility(XEvent *ev) { XVisibilityEvent *e = &ev->xvisibility; - if(e->state == VisibilityFullyObscured) + + if(e->state == VisibilityFullyObscured) { xw.state &= ~WIN_VISIBLE; - else if(!(xw.state & WIN_VISIBLE)) + } else if(!(xw.state & WIN_VISIBLE)) { /* need a full redraw for next Expose, not just a buf copy */ xw.state |= WIN_VISIBLE | WIN_REDRAW; + } } void @@ -2260,8 +3357,15 @@ unmap(XEvent *ev) { } void +xsetpointermotion(int set) { + MODBIT(xw.attrs.event_mask, set, PointerMotionMask); + XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, &xw.attrs); +} + +void xseturgency(int add) { XWMHints *h = XGetWMHints(xw.dpy, xw.win); + h->flags = add ? (h->flags | XUrgencyHint) : (h->flags & ~XUrgencyHint); XSetWMHints(xw.dpy, xw.win, h); XFree(h); @@ -2269,22 +3373,88 @@ xseturgency(int add) { void focus(XEvent *ev) { + XFocusChangeEvent *e = &ev->xfocus; + + if(e->mode == NotifyGrab) + return; + if(ev->type == FocusIn) { + XSetICFocus(xw.xic); xw.state |= WIN_FOCUSED; xseturgency(0); - } else + if(IS_SET(MODE_FOCUS)) + ttywrite("\033[I", 3); + } else { + XUnsetICFocus(xw.xic); xw.state &= ~WIN_FOCUSED; + if(IS_SET(MODE_FOCUS)) + ttywrite("\033[O", 3); + } +} + +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; +} + +void +numlock(const Arg *dummy) { + term.numlock ^= 1; } char* kmap(KeySym k, uint state) { + Key *kp; int i; - state &= ~Mod2Mask; - for(i = 0; i < LEN(key); i++) { - uint mask = key[i].mask; - if(key[i].k == k && ((state & mask) == mask || (mask == XK_NO_MOD && !state))) - return (char*)key[i].s; + + /* Check for mapped keys out of X11 function keys. */ + for(i = 0; i < LEN(mappedkeys); i++) { + if(mappedkeys[i] == k) + break; + } + if(i == LEN(mappedkeys)) { + if((k & 0xFFFF) < 0xFD00) + return NULL; } + + for(kp = key; kp < key + LEN(key); kp++) { + if(kp->k != k) + continue; + + if(!match(kp->mask, state)) + continue; + + if(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)) { + continue; + } + + if((kp->appcursor < 0 && IS_SET(MODE_APPCURSOR)) || + (kp->appcursor > 0 + && !IS_SET(MODE_APPCURSOR))) { + continue; + } + + if((kp->crlf < 0 && IS_SET(MODE_CRLF)) || + (kp->crlf > 0 && !IS_SET(MODE_CRLF))) { + continue; + } + + return kp->s; + } + return NULL; } @@ -2292,58 +3462,63 @@ void kpress(XEvent *ev) { XKeyEvent *e = &ev->xkey; KeySym ksym; - char buf[32]; - char *customkey; - int len; - int meta; - int shift; + char xstr[31], buf[32], *customkey, *cp = buf; + int len, ret; + long c; Status status; + Shortcut *bp; - if (IS_SET(MODE_KBDLOCK)) + if(IS_SET(MODE_KBDLOCK)) return; - meta = e->state & Mod1Mask; - shift = e->state & ShiftMask; - len = XmbLookupString(xw.xic, e, buf, sizeof(buf), &ksym, &status); - - /* 1. custom keys from config.h */ - if((customkey = kmap(ksym, e->state))) - ttywrite(customkey, strlen(customkey)); - /* 2. hardcoded (overrides X lookup) */ - else - switch(ksym) { - case XK_Up: - case XK_Down: - case XK_Left: - case XK_Right: - /* XXX: shift up/down doesn't work */ - sprintf(buf, "\033%c%c", IS_SET(MODE_APPKEYPAD) ? 'O' : '[', (shift ? "dacb":"DACB")[ksym - XK_Left]); - ttywrite(buf, 3); - break; - case XK_Insert: - if(shift) - selpaste(); - break; - case XK_Return: - if(IS_SET(MODE_CRLF)) - ttywrite("\r\n", 2); - else - ttywrite("\r", 1); - break; - /* 3. X lookup */ - default: - if(len > 0) { - if(meta && len == 1) - ttywrite("\033", 1); - ttywrite(buf, len); + + len = XmbLookupString(xw.xic, e, xstr, sizeof(xstr), &ksym, &status); + e->state &= ~Mod2Mask; + /* 1. shortcuts */ + for(bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) { + if(ksym == bp->keysym && match(bp->mod, e->state)) { + bp->func(&(bp->arg)); + return; + } + } + + /* 2. custom keys from config.h */ + if((customkey = kmap(ksym, e->state))) { + len = strlen(customkey); + memcpy(buf, customkey, len); + /* 3. hardcoded (overrides X lookup) */ + } else { + if(len == 0) + 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'; } - break; } + + memcpy(cp, xstr, len); + len = cp - buf + len; + } + + ttywrite(buf, len); + if(IS_SET(MODE_ECHO)) + techo(buf, len); } + void cmessage(XEvent *e) { - /* See xembed specs - http://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html */ + /* + * See xembed specs + * http://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html + */ if(e->xclient.message_type == xw.xembed && e->xclient.format == 32) { if(e->xclient.data.l[1] == XEMBED_FOCUS_IN) { xw.state |= WIN_FOCUSED; @@ -2351,138 +3526,215 @@ cmessage(XEvent *e) { } else if(e->xclient.data.l[1] == XEMBED_FOCUS_OUT) { xw.state &= ~WIN_FOCUSED; } + } else if(e->xclient.data.l[0] == xw.wmdeletewin) { + /* Send SIGHUP to shell */ + kill(pid, SIGHUP); + exit(EXIT_SUCCESS); } } void -resize(XEvent *e) { +cresize(int width, int height) { int col, row; - if(e->xconfigure.width == xw.w && e->xconfigure.height == xw.h) - return; + if(width != 0) + xw.w = width; + if(height != 0) + xw.h = height; - xw.w = e->xconfigure.width; - xw.h = e->xconfigure.height; - col = (xw.w - 2*BORDER) / xw.cw; - row = (xw.h - 2*BORDER) / xw.ch; - if(col == term.col && row == term.row) - return; + col = (xw.w - 2 * borderpx) / xw.cw; + row = (xw.h - 2 * borderpx) / xw.ch; - xclear(0, 0, xw.w, xw.h); tresize(col, row); xresize(col, row); ttyresize(); } void +resize(XEvent *e) { + if(e->xconfigure.width == xw.w && e->xconfigure.height == xw.h) + return; + + cresize(e->xconfigure.width, e->xconfigure.height); +} + +void run(void) { XEvent ev; + int w = xw.w, h = xw.h; fd_set rfd; - int xfd = XConnectionNumber(xw.dpy), i; - struct timeval drawtimeout, *tv = NULL; + int xfd = XConnectionNumber(xw.dpy), xev, blinkset = 0, dodraw = 0; + struct timeval drawtimeout, *tv = NULL, now, last, lastblink; + + /* Waiting for window mapping */ + while(1) { + XNextEvent(xw.dpy, &ev); + if(ev.type == ConfigureNotify) { + w = ev.xconfigure.width; + h = ev.xconfigure.height; + } else if(ev.type == MapNotify) { + break; + } + } + + if(!xw.isfixed) + cresize(w, h); + else + cresize(xw.fw, xw.fh); + ttynew(); - for(i = 0;; i++) { + gettimeofday(&lastblink, NULL); + gettimeofday(&last, NULL); + + 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(errno == EINTR) continue; die("select failed: %s\n", SERRNO); } - - /* - * Stop after a certain number of reads so the user does not - * feel like the system is stuttering. - */ - if(i < 1000 && FD_ISSET(cmdfd, &rfd)) { + if(FD_ISSET(cmdfd, &rfd)) { ttyread(); - - /* - * Just wait a bit so it isn't disturbing the - * user and the system is able to write something. - */ - drawtimeout.tv_sec = 0; - drawtimeout.tv_usec = 5; - tv = &drawtimeout; - continue; + if(blinktimeout) { + blinkset = tattrset(ATTR_BLINK); + if(!blinkset && term.mode & ATTR_BLINK) + term.mode &= ~(MODE_BLINK); + } } - i = 0; - tv = NULL; - while(XPending(xw.dpy)) { - XNextEvent(xw.dpy, &ev); - if(XFilterEvent(&ev, xw.win)) - continue; - if(handler[ev.type]) - (handler[ev.type])(&ev); + if(FD_ISSET(xfd, &rfd)) + xev = actionfps; + + gettimeofday(&now, NULL); + drawtimeout.tv_sec = 0; + drawtimeout.tv_usec = (1000/xfps) * 1000; + tv = &drawtimeout; + + dodraw = 0; + if(blinktimeout && TIMEDIFF(now, lastblink) > blinktimeout) { + tsetdirtattr(ATTR_BLINK); + term.mode ^= MODE_BLINK; + gettimeofday(&lastblink, NULL); + dodraw = 1; + } + if(TIMEDIFF(now, last) \ + > (xev? (1000/xfps) : (1000/actionfps))) { + dodraw = 1; + last = now; } - draw(); - XFlush(xw.dpy); + if(dodraw) { + while(XPending(xw.dpy)) { + XNextEvent(xw.dpy, &ev); + if(XFilterEvent(&ev, None)) + continue; + if(handler[ev.type]) + (handler[ev.type])(&ev); + } + + draw(); + XFlush(xw.dpy); + + if(xev && !FD_ISSET(xfd, &rfd)) + xev--; + if(!FD_ISSET(cmdfd, &rfd) && !FD_ISSET(xfd, &rfd)) { + if(blinkset) { + if(TIMEDIFF(now, lastblink) \ + > blinktimeout) { + drawtimeout.tv_usec = 1; + } else { + drawtimeout.tv_usec = (1000 * \ + (blinktimeout - \ + TIMEDIFF(now, + lastblink))); + } + } else { + tv = NULL; + } + } + } } } +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); +} + int main(int argc, char *argv[]) { - int i, bitm, xr, yr; + int bitm, xr, yr; uint wr, hr; + char *titles; xw.fw = xw.fh = xw.fx = xw.fy = 0; xw.isfixed = False; - for(i = 1; i < argc; i++) { - switch(argv[i][0] != '-' || argv[i][2] ? -1 : argv[i][1]) { - case 't': - if(++i < argc) opt_title = argv[i]; - break; - case 'c': - if(++i < argc) opt_class = argv[i]; - break; - case 'w': - if(++i < argc) opt_embed = argv[i]; - break; - case 'f': - if(++i < argc) opt_io = argv[i]; - break; - case 'e': - /* eat every remaining arguments */ - if(++i < argc) opt_cmd = &argv[i]; - goto run; - case 'g': - if(++i >= argc) - break; - - bitm = XParseGeometry(argv[i], &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; - break; - case 'v': - default: - die(USAGE); + ARGBEGIN { + case 'a': + allowaltscreen = false; + break; + case 'c': + opt_class = EARGF(usage()); + break; + case 'e': + /* eat all remaining arguments */ + if(argc > 1) { + opt_cmd = &argv[1]; + if(argv[1] != NULL && opt_title == NULL) { + titles = strdup(argv[1]); + opt_title = basename(titles); + } } - } + goto run; + case 'f': + 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; + break; + case 'o': + opt_io = EARGF(usage()); + break; + case 't': + opt_title = EARGF(usage()); + break; + case 'w': + opt_embed = EARGF(usage()); + break; + case 'v': + default: + usage(); + } ARGEND; - run: +run: setlocale(LC_CTYPE, ""); + XSetLocaleModifiers(""); tnew(80, 24); - ttynew(); xinit(); selinit(); run(); + return 0; }