#include <X11/cursorfont.h>
#include <X11/keysym.h>
#include <X11/extensions/Xdbe.h>
+#include <X11/Xft/Xft.h>
+#include <fontconfig/fontconfig.h>
+#define Glyph Glyph_
+#define Font Font_
#if defined(__linux)
#include <pty.h>
#define USAGE \
"st " VERSION " (c) 2010-2012 st engineers\n" \
- "usage: st [-t title] [-c class] [-w windowid] [-v] [-e command...]\n"
+ "usage: st [-v] [-c class] [-f font] [-g geometry] [-o file]" \
+ " [-t title] [-w windowid] [-e command ...]\n"
/* XEMBED messages */
#define XEMBED_FOCUS_IN 4
#define XEMBED_FOCUS_OUT 5
/* Arbitrary sizes */
-#define ESC_TITLE_SIZ 256
#define ESC_BUF_SIZ 256
#define ESC_ARG_SIZ 16
-#define DRAW_BUF_SIZ 1024
+#define STR_BUF_SIZ 256
+#define STR_ARG_SIZ 16
+#define DRAW_BUF_SIZ 20*1024
#define UTF_SIZ 4
#define XK_NO_MOD UINT_MAX
#define XK_ANY_MOD 0
-#define SELECT_TIMEOUT (20*1000) /* 20 ms */
-#define DRAW_TIMEOUT (20*1000) /* 20 ms */
+#define REDRAW_TIMEOUT (80*1000) /* 80 ms */
#define SERRNO strerror(errno)
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#define X2COL(x) (((x) - BORDER)/xw.cw)
#define Y2ROW(y) (((y) - BORDER)/xw.ch)
+#define VT102ID "\033[?6c"
+
enum glyph_attribute {
ATTR_NULL = 0,
ATTR_REVERSE = 1,
ATTR_UNDERLINE = 2,
ATTR_BOLD = 4,
ATTR_GFX = 8,
+ ATTR_ITALIC = 16,
+ ATTR_BLINK = 32,
};
enum cursor_movement {
};
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_REVERSE = 128,
+ MODE_KBDLOCK = 256
};
enum escape_state {
ESC_START = 1,
- ESC_CSI = 2,
- ESC_OSC = 4,
- ESC_TITLE = 8,
- ESC_ALTCHARSET = 16
+ 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 {
/* ESC '[' [[ [<priv>] <arg> [;]] <mode>] */
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 [[ [<priv>] <arg> [;]] <mode>] ESC '\' */
+typedef struct {
+ char type; /* ESC type ... */
+ char buf[STR_BUF_SIZ]; /* raw string */
+ int len; /* raw string length */
+ char *args[STR_ARG_SIZ];
+ 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 */
+ 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 */
- char title[ESC_TITLE_SIZ];
- int titlelen;
+ bool *tabs;
} Term;
/* Purely graphic info */
Colormap cmap;
Window win;
XdbeBackBuffer buf;
- Atom xembed;
+ Atom xembed, wmdeletewin;
XIM xim;
XIC xic;
+ XftDraw *xft_draw;
+ Visual *vis;
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 bufw; /* pixmap width */
- int bufh; /* pixmap height */
int ch; /* char height */
int cw; /* char width */
char state; /* focus, redraw, visible */
- struct timeval lastdraw;
} XWindow;
typedef struct {
char s[ESC_BUF_SIZ];
} Key;
-
/* TODO: use better name for vars... */
typedef struct {
int mode;
int bx, by;
int ex, ey;
- struct {int x, y;} b, e;
+ struct {
+ int x, y;
+ } b, e;
char *clip;
Atom xtarget;
+ bool alt;
struct timeval tclick1;
struct timeval tclick2;
} Selection;
#include "config.h"
+/* Font structure */
+typedef struct {
+ int height;
+ int width;
+ int ascent;
+ int descent;
+ short lbearing;
+ short rbearing;
+ XftFont *xft_set;
+} Font;
+
/* Drawing Context */
typedef struct {
- ulong col[LEN(colorname) < 256 ? 256 : LEN(colorname)];
+ XftColor xft_col[LEN(colorname) < 256 ? 256 : LEN(colorname)];
GC gc;
- struct {
- int ascent;
- int descent;
- short lbearing;
- short rbearing;
- XFontSet set;
- } font, bfont;
+ Font font, bfont, ifont, ibfont;
} DC;
-static void die(const char*, ...);
+static void die(const char *, ...);
static void draw(void);
+static void redraw(void);
static void drawregion(int, int, int, int);
static void execsh(void);
static void sigchld(int);
static void run(void);
-static bool last_draw_too_old(void);
static void csidump(void);
static void csihandle(void);
static void csiparse(void);
static void csireset(void);
+static void strdump(void);
+static void strhandle(void);
+static void strparse(void);
+static void strreset(void);
static void tclearregion(int, int, int, int);
static void tcursor(int);
static void tmoveto(int, int);
static void tnew(int, int);
static void tnewline(int);
-static void tputtab(void);
-static void tputc(char*);
+static void tputtab(bool);
+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 tsetmode(bool, bool, int *, int);
static void tfulldirt(void);
static void ttynew(void);
static void ttyread(void);
-static void ttyresize(int, int);
+static void ttyresize(void);
static void ttywrite(const char *, size_t);
static void xdraws(char *, Glyph, int, int, int, int);
static void xhints(void);
static void xclear(int, int, int, int);
-static void xcopy();
static void xdrawcursor(void);
static void xinit(void);
static void xloadcols(void);
+static void xresettitle(void);
static void xseturgency(int);
static void xsetsel(char*);
+static void xtermclear(int, int, int, int);
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 resize(XEvent *);
static void bpress(XEvent *);
static void bmotion(XEvent *);
static void selnotify(XEvent *);
+static void selclear(XEvent *);
static void selrequest(XEvent *);
static void selinit(void);
static inline bool selected(int, int);
static void selcopy(void);
-static void selpaste();
+static void selpaste(void);
static void selscroll(int, int);
static int utf8decode(char *, long *);
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 char *smstrcat(char *, ...);
+
static void (*handler[LASTEvent])(XEvent *) = {
[KeyPress] = kpress,
[ClientMessage] = cmessage,
[MotionNotify] = bmotion,
[ButtonPress] = bpress,
[ButtonRelease] = brelease,
+ [SelectionClear] = selclear,
[SelectionNotify] = selnotify,
[SelectionRequest] = selrequest,
};
static DC dc;
static XWindow xw;
static Term term;
-static CSIEscape escseq;
+static CSIEscape csiescseq;
+static STREscape strescseq;
static int cmdfd;
static pid_t pid;
static Selection sel;
-static char **opt_cmd = NULL;
+static int iofd = -1;
+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;
+
+
+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;
+}
+
+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;
+}
+
+char *
+smstrcat(char *src, ...)
+{
+ va_list fmtargs;
+ char *ret, *p, *v;
+ int len, slen, flen;
+
+ len = slen = strlen(src);
+
+ va_start(fmtargs, src);
+ for(;;) {
+ v = va_arg(fmtargs, char *);
+ if(v == NULL)
+ break;
+ len += strlen(v);
+ }
+ va_end(fmtargs);
+
+ p = ret = xmalloc(len+1);
+ memmove(p, src, slen);
+ p += slen;
+
+ va_start(fmtargs, src);
+ for(;;) {
+ v = va_arg(fmtargs, char *);
+ if(v == NULL)
+ break;
+ flen = strlen(v);
+ memmove(p, v, flen);
+ p += flen;
+ }
+ va_end(fmtargs);
+
+ ret[len] = '\0';
+
+ return ret;
+}
int
utf8decode(char *s, long *u) {
} else if((c & (B7|B6|B5|B4|B3)) == (B7|B6|B5|B4)) { /* 11110xxx */
*u = c & (B2|B1|B0);
n = 3;
- } else
+ } else {
goto invalid;
+ }
+
for(i = n, ++s; i > 0; --i, ++rtn, ++s) {
c = *s;
if((c & (B7|B6)) != B7) /* 10xxxxxx */
*u <<= 6;
*u |= c & (B5|B4|B3|B2|B1|B0);
}
+
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;
}
ulong uc;
int i, n;
- sp = (uchar*) s;
+ sp = (uchar *)s;
uc = *u;
if(uc < 0x80) {
*sp = uc; /* 0xxxxxxx */
} else {
goto invalid;
}
+
for(i=n,++sp; i>0; --i,++sp)
*sp = ((uc >> 6*(i-1)) & (B5|B4|B3|B2|B1|B0)) | B7; /* 10xxxxxx */
+
return n+1;
invalid:
/* U+FFFD */
*s++ = '\xEF';
*s++ = '\xBF';
*s = '\xBD';
+
return 3;
}
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&(B7|B6|B5)) == (B7|B6) && b == 1) {
return 0;
- else if((*c1&(B7|B6|B5|B4)) == (B7|B6|B5) &&
+ } else if((*c1&(B7|B6|B5|B4)) == (B7|B6|B5) &&
((b == 1) ||
- ((b == 2) && (*c2&(B7|B6)) == B7)))
+ ((b == 2) && (*c2&(B7|B6)) == B7))) {
return 0;
- else if((*c1&(B7|B6|B5|B4|B3)) == (B7|B6|B5|B4) &&
+ } else if((*c1&(B7|B6|B5|B4|B3)) == (B7|B6|B5|B4) &&
((b == 1) ||
((b == 2) && (*c2&(B7|B6)) == B7) ||
- ((b == 3) && (*c2&(B7|B6)) == B7 && (*c3&(B7|B6)) == B7)))
+ ((b == 3) && (*c2&(B7|B6)) == B7 && (*c3&(B7|B6)) == B7))) {
return 0;
- else
+ } else {
return 1;
+ }
}
int
utf8size(char *s) {
uchar c = *s;
- if(~c&B7)
+ if(~c&B7) {
return 1;
- else if((c&(B7|B6|B5)) == (B7|B6))
+ } else if((c&(B7|B6|B5)) == (B7|B6)) {
return 2;
- else if((c&(B7|B6|B5|B4)) == (B7|B6|B5))
+ } else if((c&(B7|B6|B5|B4)) == (B7|B6|B5)) {
return 3;
- else
+ } else {
return 4;
+ }
}
void
static inline bool
selected(int x, int y) {
+ int bx, ex;
+
if(sel.ey == y && sel.by == y) {
- int bx = MIN(sel.bx, sel.ex);
- int ex = MAX(sel.bx, sel.ex);
+ bx = MIN(sel.bx, sel.ex);
+ ex = MAX(sel.bx, sel.ex);
return BETWEEN(x, bx, ex);
}
- 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));
+
+ 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
int state = e->xbutton.state;
char buf[] = { '\033', '[', 'M', 0, 32+x+1, 32+y+1 };
static int ob, ox, oy;
-
+
/* from urxvt */
if(e->xbutton.type == MotionNotify) {
if(!IS_SET(MODE_MOUSEMOTION) || (x == ox && y == oy))
ox = x, oy = y;
}
}
-
+
buf[3] = 32 + button + (state & ShiftMask ? 4 : 0)
+ (state & Mod4Mask ? 8 : 0)
+ (state & ControlMask ? 16 : 0);
-
+
ttywrite(buf, sizeof(buf));
}
void
bpress(XEvent *e) {
- if(IS_SET(MODE_MOUSE))
+ if(IS_SET(MODE_MOUSE)) {
mousereport(e);
- else if(e->xbutton.button == Button1) {
- if(sel.bx != -1)
+ } else if(e->xbutton.button == Button1) {
+ if(sel.bx != -1) {
+ sel.bx = -1;
tsetdirt(sel.b.y, sel.e.y);
+ draw();
+ }
sel.mode = 1;
sel.ex = sel.bx = X2COL(e->xbutton.x);
sel.ey = sel.by = Y2ROW(e->xbutton.y);
void
selcopy(void) {
- char *str, *ptr;
- int x, y, bufsize, is_selected = 0;
+ char *str, *ptr, *p;
+ int x, y, bufsize, is_selected = 0, size;
+ Glyph *gp;
- if(sel.bx == -1)
+ if(sel.bx == -1) {
str = NULL;
-
- else {
+ } else {
bufsize = (term.col+1) * (sel.e.y-sel.b.y+1) * UTF_SIZ;
- ptr = str = malloc(bufsize);
+ 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++) {
- is_selected = selected(x, y);
- if((term.line[y][x].state & GLYPH_SET) && is_selected) {
- int size = utf8size(term.line[y][x].c);
- memcpy(ptr, term.line[y][x].c, size);
- ptr += size;
- }
+ gp = &term.line[y][x];
+
+ if(!(is_selected = selected(x, y)))
+ continue;
+ p = (gp->state & GLYPH_SET) ? gp->c : " ";
+ size = utf8size(p);
+ memcpy(ptr, p, size);
+ ptr += size;
}
-
/* \n at the end of every selected line except for the last one */
if(is_selected && y < sel.e.y)
*ptr++ = '\n';
}
*ptr = 0;
}
+ sel.alt = IS_SET(MODE_ALTSCREEN);
xsetsel(str);
}
}
void
-selpaste() {
- XConvertSelection(xw.dpy, XA_PRIMARY, sel.xtarget, XA_PRIMARY, xw.win, CurrentTime);
+selpaste(void) {
+ XConvertSelection(xw.dpy, XA_PRIMARY, sel.xtarget, XA_PRIMARY,
+ xw.win, CurrentTime);
+}
+
+void selclear(XEvent *e) {
+ if(sel.bx == -1)
+ return;
+ sel.bx = -1;
+ tsetdirt(sel.b.y, sel.e.y);
}
void
selrequest(XEvent *e) {
XSelectionRequestEvent *xsre;
XSelectionEvent xev;
- Atom xa_targets;
+ Atom xa_targets, string;
xsre = (XSelectionRequestEvent *) e;
xev.type = SelectionNotify;
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);
clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
XSetSelectionOwner(xw.dpy, clipboard, xw.win, CurrentTime);
-
- XFlush(xw.dpy);
}
void
brelease(XEvent *e) {
+ struct timeval now;
+
if(IS_SET(MODE_MOUSE)) {
mousereport(e);
return;
}
- if(e->xbutton.button == Button2)
+
+ if(e->xbutton.button == Button2) {
selpaste();
- else if(e->xbutton.button == Button1) {
+ } 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);
/* 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--;
+ 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++;
+ 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
+ } else {
selcopy();
+ }
}
+
memcpy(&sel.tclick2, &sel.tclick1, sizeof(struct timeval));
gettimeofday(&sel.tclick1, NULL);
- draw();
}
void
bmotion(XEvent *e) {
+ int starty, endy, oldey, oldex;
+
if(IS_SET(MODE_MOUSE)) {
mousereport(e);
return;
}
+
if(sel.mode) {
- int oldey = sel.ey, oldex = sel.ex;
+ 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);
+ starty = MIN(oldey, sel.ey);
+ endy = MAX(oldey, sel.ey);
tsetdirt(starty, endy);
- draw();
}
}
}
char **args;
char *envshell = getenv("SHELL");
+ unsetenv("COLUMNS");
+ unsetenv("LINES");
+ unsetenv("TERMCAP");
+
+ signal(SIGCHLD, SIG_DFL);
+ signal(SIGHUP, SIG_DFL);
+ signal(SIGINT, SIG_DFL);
+ signal(SIGQUIT, SIG_DFL);
+ signal(SIGTERM, SIG_DFL);
+ signal(SIGALRM, SIG_DFL);
+
DEFAULT(envshell, SHELL);
putenv("TERM="TNAME);
- args = opt_cmd ? opt_cmd : (char*[]){envshell, "-i", NULL};
+ args = opt_cmd ? opt_cmd : (char *[]){envshell, "-i", NULL};
execvp(args[0], args);
exit(EXIT_FAILURE);
}
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))
+
+ if(WIFEXITED(stat)) {
exit(WEXITSTATUS(stat));
- else
+ } else {
exit(EXIT_FAILURE);
+ }
}
void
ttynew(void) {
int m, s;
-
- /* seems to work fine on linux, openbsd and freebsd */
struct winsize w = {term.row, term.col, 0, 0};
+
+ /* seems to work fine on linux, openbsd and freebsd */
if(openpty(&m, &s, NULL, NULL, &w) < 0)
die("openpty failed: %s\n", SERRNO);
close(s);
cmdfd = m;
signal(SIGCHLD, sigchld);
+ if(opt_io) {
+ 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));
+ }
+ }
}
}
void
dump(char c) {
static int col;
+
fprintf(stderr, " %02x '%c' ", c, isprint(c)?c:'.');
if(++col % 10 == 0)
fprintf(stderr, "\n");
while(buflen >= UTF_SIZ || isfullutf8(ptr,buflen)) {
charsize = utf8decode(ptr, &utf8c);
utf8encode(&utf8c, s);
- tputc(s);
- ptr += charsize;
+ tputc(s, charsize);
+ ptr += charsize;
buflen -= charsize;
}
}
void
-ttyresize(int x, int y) {
+ttyresize(void) {
struct winsize w;
w.ws_row = term.row;
w.ws_col = term.col;
- w.ws_xpixel = w.ws_ypixel = 0;
+ w.ws_xpixel = xw.tw;
+ w.ws_ypixel = xw.th;
if(ioctl(cmdfd, TIOCSWINSZ, &w) < 0)
fprintf(stderr, "Couldn't set window size: %s\n", SERRNO);
}
void
-tsetdirt(int top, int bot)
-{
+tsetdirt(int top, int bot) {
int i;
LIMIT(top, 0, term.row-1);
}
void
-tfulldirt(void)
-{
+tfulldirt(void) {
tsetdirt(0, term.row-1);
}
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
}, .x = 0, .y = 0, .state = CURSOR_DEFAULT};
-
- term.top = 0, term.bot = term.row - 1;
+
+ memset(term.tabs, 0, term.col * sizeof(*term.tabs));
+ for(i = TAB; i < term.col; i += TAB)
+ term.tabs[i] = 1;
+ term.top = 0;
+ term.bot = term.row - 1;
term.mode = MODE_WRAP;
+
tclearregion(0, 0, term.col-1, term.row-1);
}
void
tnew(int col, int row) {
/* set screen size */
- term.row = row, term.col = col;
- term.line = malloc(term.row * sizeof(Line));
- term.alt = malloc(term.row * sizeof(Line));
- term.dirty = malloc(term.row * sizeof(*term.dirty));
+ 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] = malloc(term.col * sizeof(Glyph));
- term.alt [row] = malloc(term.col * sizeof(Glyph));
+ 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 */
treset();
}
void
tswapscreen(void) {
- Line* tmp = term.line;
+ Line *tmp = term.line;
+
term.line = term.alt;
term.alt = tmp;
term.mode ^= MODE_ALTSCREEN;
tscrolldown(int orig, int n) {
int i;
Line temp;
-
+
LIMIT(n, 0, term.bot-orig+1);
tclearregion(0, term.bot-n+1, term.col-1, term.bot);
-
+
for(i = term.bot; i >= orig+n; i--) {
temp = term.line[i];
term.line[i] = term.line[i-n];
int i;
Line temp;
LIMIT(n, 0, term.bot-orig+1);
-
+
tclearregion(0, orig, term.col-1, orig+n-1);
-
+
for(i = orig; i <= term.bot-n; i++) {
temp = term.line[i];
term.line[i] = term.line[i+n];
selscroll(int orig, int n) {
if(sel.bx == -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;
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 = escseq.buf;
+ char *p = csiescseq.buf;
- escseq.narg = 0;
+ csiescseq.narg = 0;
if(*p == '?')
- escseq.priv = 1, p++;
-
- while(p < escseq.buf+escseq.len) {
+ csiescseq.priv = 1, p++;
+
+ while(p < csiescseq.buf+csiescseq.len) {
while(isdigit(*p)) {
- escseq.arg[escseq.narg] *= 10;
- escseq.arg[escseq.narg] += *p++ - '0'/*, noarg = 0 */;
+ csiescseq.arg[csiescseq.narg] *= 10;
+ csiescseq.arg[csiescseq.narg] += *p++ - '0'/*, noarg = 0 */;
}
- if(*p == ';' && escseq.narg+1 < ESC_ARG_SIZ)
- escseq.narg++, p++;
- else {
- escseq.mode = *p;
- escseq.narg++;
+ if(*p == ';' && csiescseq.narg+1 < ESC_ARG_SIZ) {
+ csiescseq.narg++, p++;
+ } else {
+ csiescseq.mode = *p;
+ csiescseq.narg++;
+
return;
}
}
}
void
-tsetchar(char *c) {
- 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;
+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(attr->mode & ATTR_GFX) {
+ if(c[0] >= 0x41 && c[0] <= 0x7e
+ && vt100_0[c[0] - 0x41]) {
+ c = vt100_0[c[0] - 0x41];
+ }
+ }
+
+ term.dirty[y] = 1;
+ term.line[y][x] = *attr;
+ memcpy(term.line[y][x].c, c, UTF_SIZ);
+ term.line[y][x].state |= GLYPH_SET;
}
void
int src = term.c.x + n;
int dst = term.c.x;
int size = term.col - src;
-
+
term.dirty[term.c.y] = 1;
if(src >= term.col) {
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);
}
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);
}
for(i = 0; i < l; i++) {
switch(attr[i]) {
case 0:
- term.c.attr.mode &= ~(ATTR_REVERSE | ATTR_UNDERLINE | ATTR_BOLD);
+ 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) */
+ term.c.attr.mode |= ATTR_ITALIC;
+ break;
case 4:
term.c.attr.mode |= ATTR_UNDERLINE;
break;
+ case 5:
+ term.c.attr.mode |= ATTR_BLINK;
+ break;
case 7:
term.c.attr.mode |= ATTR_REVERSE;
break;
+ case 21:
case 22:
term.c.attr.mode &= ~ATTR_BOLD;
break;
+ case 23: /* leave standout (highlight) mode */
+ term.c.attr.mode &= ~ATTR_ITALIC;
+ break;
case 24:
term.c.attr.mode &= ~ATTR_UNDERLINE;
break;
+ case 25:
+ 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))
+ 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: bad fgcolor %d\n",
+ attr[i]);
+ }
+ } else {
+ fprintf(stderr,
+ "erresc(38): gfx attr %d unknown\n",
+ attr[i]);
}
- else
- fprintf(stderr, "erresc: gfx attr %d unknown\n", attr[i]);
break;
case 39:
term.c.attr.fg = DefaultFG;
case 48:
if(i + 2 < l && attr[i + 1] == 5) {
i += 2;
- if(BETWEEN(attr[i], 0, 255))
+ 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: bad bgcolor %d\n",
+ attr[i]);
+ }
+ } else {
+ fprintf(stderr,
+ "erresc(48): gfx attr %d unknown\n",
+ attr[i]);
}
- else
- fprintf(stderr, "erresc: gfx attr %d unknown\n", attr[i]);
break;
case 49:
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))
- term.c.attr.fg = attr[i] - 100 + 8;
- else
- fprintf(stderr, "erresc: gfx attr %d unknown\n", attr[i]), csidump();
-
+ } 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();
+ }
break;
}
}
term.bot = b;
}
+#define MODBIT(x, set, bit) ((set) ? ((x) |= (bit)) : ((x) &= ~(bit)))
+
+void
+tsetmode(bool priv, bool set, int *args, int narg) {
+ int *lim, mode;
+
+ for(lim = args + narg; args < lim; ++args) {
+ if(priv) {
+ switch(*args) {
+ break;
+ case 1: /* DECCKM -- Cursor key */
+ MODBIT(term.mode, set, MODE_APPKEYPAD);
+ break;
+ case 5: /* DECSCNM -- Reverse video */
+ mode = term.mode;
+ MODBIT(term.mode, set, MODE_REVERSE);
+ if(mode != term.mode)
+ redraw();
+ break;
+ case 6: /* XXX: DECOM -- Origin */
+ 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 12: /* att610 -- Start blinking cursor (IGNORED) */
+ break;
+ case 25:
+ MODBIT(term.c.state, !set, CURSOR_HIDE);
+ break;
+ case 1000: /* 1000,1002: enable xterm mouse report */
+ MODBIT(term.mode, set, MODE_MOUSEBTN);
+ break;
+ case 1002:
+ 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();
+ }
+ if(*args != 1049)
+ break;
+ /* pass through */
+ case 1048:
+ tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
+ break;
+ 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);
+ break;
+ }
+ } else {
+ switch(*args) {
+ case 0: /* Error (IGNORED) */
+ break;
+ case 2: /* KAM -- keyboard action */
+ MODBIT(term.mode, set, MODE_KBDLOCK);
+ break;
+ case 4: /* IRM -- Insertion-replacement */
+ MODBIT(term.mode, set, MODE_INSERT);
+ break;
+ case 12: /* XXX: SRM -- Send/Receive */
+ break;
+ case 20: /* LNM -- Linefeed/new line */
+ MODBIT(term.mode, set, MODE_CRLF);
+ break;
+ default:
+ fprintf(stderr,
+ "erresc: unknown set/reset mode %d\n",
+ *args);
+ break;
+ }
+ }
+ }
+}
+#undef MODBIT
+
+
void
csihandle(void) {
- switch(escseq.mode) {
+ switch(csiescseq.mode) {
default:
unknown:
fprintf(stderr, "erresc: unknown csi ");
/* die(""); */
break;
case '@': /* ICH -- Insert <n> blank char */
- DEFAULT(escseq.arg[0], 1);
- tinsertblank(escseq.arg[0]);
+ DEFAULT(csiescseq.arg[0], 1);
+ tinsertblank(csiescseq.arg[0]);
break;
case 'A': /* CUU -- Cursor <n> Up */
case 'e':
- DEFAULT(escseq.arg[0], 1);
- tmoveto(term.c.x, term.c.y-escseq.arg[0]);
+ DEFAULT(csiescseq.arg[0], 1);
+ tmoveto(term.c.x, term.c.y-csiescseq.arg[0]);
break;
case 'B': /* CUD -- Cursor <n> Down */
- DEFAULT(escseq.arg[0], 1);
- tmoveto(term.c.x, term.c.y+escseq.arg[0]);
+ 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 <n> Forward */
case 'a':
- DEFAULT(escseq.arg[0], 1);
- tmoveto(term.c.x+escseq.arg[0], term.c.y);
+ DEFAULT(csiescseq.arg[0], 1);
+ tmoveto(term.c.x+csiescseq.arg[0], term.c.y);
break;
case 'D': /* CUB -- Cursor <n> Backward */
- DEFAULT(escseq.arg[0], 1);
- tmoveto(term.c.x-escseq.arg[0], term.c.y);
+ DEFAULT(csiescseq.arg[0], 1);
+ tmoveto(term.c.x-csiescseq.arg[0], term.c.y);
break;
case 'E': /* CNL -- Cursor <n> Down and first col */
- DEFAULT(escseq.arg[0], 1);
- tmoveto(0, term.c.y+escseq.arg[0]);
+ DEFAULT(csiescseq.arg[0], 1);
+ tmoveto(0, term.c.y+csiescseq.arg[0]);
break;
case 'F': /* CPL -- Cursor <n> Up and first col */
- DEFAULT(escseq.arg[0], 1);
- tmoveto(0, term.c.y-escseq.arg[0]);
+ DEFAULT(csiescseq.arg[0], 1);
+ tmoveto(0, term.c.y-csiescseq.arg[0]);
+ break;
+ case 'g': /* TBC -- Tabulation clear */
+ switch (csiescseq.arg[0]) {
+ case 0: /* clear current tab stop */
+ term.tabs[term.c.x] = 0;
+ break;
+ case 3: /* clear all the tabs */
+ memset(term.tabs, 0, term.col * sizeof(*term.tabs));
+ break;
+ default:
+ goto unknown;
+ }
break;
case 'G': /* CHA -- Move to <col> */
- case '`': /* XXX: HPA -- same? */
- DEFAULT(escseq.arg[0], 1);
- tmoveto(escseq.arg[0]-1, term.c.y);
+ case '`': /* HPA */
+ DEFAULT(csiescseq.arg[0], 1);
+ tmoveto(csiescseq.arg[0]-1, term.c.y);
break;
case 'H': /* CUP -- Move to <row> <col> */
- case 'f': /* XXX: HVP -- same? */
- DEFAULT(escseq.arg[0], 1);
- DEFAULT(escseq.arg[1], 1);
- tmoveto(escseq.arg[1]-1, escseq.arg[0]-1);
+ case 'f': /* HVP */
+ DEFAULT(csiescseq.arg[0], 1);
+ DEFAULT(csiescseq.arg[1], 1);
+ tmoveto(csiescseq.arg[1]-1, csiescseq.arg[0]-1);
+ break;
+ case 'I': /* CHT -- Cursor Forward Tabulation <n> tab stops */
+ DEFAULT(csiescseq.arg[0], 1);
+ while(csiescseq.arg[0]--)
+ tputtab(1);
break;
- /* XXX: (CSI n I) CHT -- Cursor Forward Tabulation <n> tab stops */
case 'J': /* ED -- Clear screen */
sel.bx = -1;
- switch(escseq.arg[0]) {
+ 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)
}
break;
case 'K': /* EL -- Clear line */
- switch(escseq.arg[0]) {
+ switch(csiescseq.arg[0]) {
case 0: /* right */
tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
break;
}
break;
case 'S': /* SU -- Scroll <n> line up */
- DEFAULT(escseq.arg[0], 1);
- tscrollup(term.top, escseq.arg[0]);
+ DEFAULT(csiescseq.arg[0], 1);
+ tscrollup(term.top, csiescseq.arg[0]);
break;
case 'T': /* SD -- Scroll <n> line down */
- DEFAULT(escseq.arg[0], 1);
- tscrolldown(term.top, escseq.arg[0]);
+ DEFAULT(csiescseq.arg[0], 1);
+ tscrolldown(term.top, csiescseq.arg[0]);
break;
case 'L': /* IL -- Insert <n> blank lines */
- DEFAULT(escseq.arg[0], 1);
- tinsertblankline(escseq.arg[0]);
+ DEFAULT(csiescseq.arg[0], 1);
+ tinsertblankline(csiescseq.arg[0]);
break;
case 'l': /* RM -- Reset Mode */
- if(escseq.priv) {
- switch(escseq.arg[0]) {
- case 1:
- term.mode &= ~MODE_APPKEYPAD;
- break;
- case 5: /* DECSCNM -- Remove reverse video */
- if(IS_SET(MODE_REVERSE)) {
- term.mode &= ~MODE_REVERSE;
- draw();
- }
- break;
- case 7:
- term.mode &= ~MODE_WRAP;
- break;
- case 12: /* att610 -- Stop blinking cursor (IGNORED) */
- break;
- case 20:
- term.mode &= ~MODE_CRLF;
- break;
- case 25:
- term.c.state |= CURSOR_HIDE;
- break;
- case 1000: /* disable X11 xterm mouse reporting */
- term.mode &= ~MODE_MOUSEBTN;
- break;
- case 1002:
- term.mode &= ~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);
- tswapscreen();
- }
- if(escseq.arg[0] != 1049)
- break;
- case 1048:
- tcursor(CURSOR_LOAD);
- break;
- default:
- goto unknown;
- }
- } else {
- switch(escseq.arg[0]) {
- case 4:
- term.mode &= ~MODE_INSERT;
- break;
- default:
- goto unknown;
- }
- }
+ tsetmode(csiescseq.priv, 0, csiescseq.arg, csiescseq.narg);
break;
case 'M': /* DL -- Delete <n> lines */
- DEFAULT(escseq.arg[0], 1);
- tdeleteline(escseq.arg[0]);
+ DEFAULT(csiescseq.arg[0], 1);
+ tdeleteline(csiescseq.arg[0]);
break;
case 'X': /* ECH -- Erase <n> char */
- DEFAULT(escseq.arg[0], 1);
- tclearregion(term.c.x, term.c.y, term.c.x + escseq.arg[0], term.c.y);
+ DEFAULT(csiescseq.arg[0], 1);
+ tclearregion(term.c.x, term.c.y, term.c.x + csiescseq.arg[0], term.c.y);
break;
case 'P': /* DCH -- Delete <n> char */
- DEFAULT(escseq.arg[0], 1);
- tdeletechar(escseq.arg[0]);
+ DEFAULT(csiescseq.arg[0], 1);
+ tdeletechar(csiescseq.arg[0]);
+ break;
+ case 'Z': /* CBT -- Cursor Backward Tabulation <n> tab stops */
+ DEFAULT(csiescseq.arg[0], 1);
+ while(csiescseq.arg[0]--)
+ tputtab(0);
break;
- /* XXX: (CSI n Z) CBT -- Cursor Backward Tabulation <n> tab stops */
case 'd': /* VPA -- Move to <row> */
- DEFAULT(escseq.arg[0], 1);
- tmoveto(term.c.x, escseq.arg[0]-1);
+ DEFAULT(csiescseq.arg[0], 1);
+ tmoveto(term.c.x, csiescseq.arg[0]-1);
break;
case 'h': /* SM -- Set terminal mode */
- if(escseq.priv) {
- switch(escseq.arg[0]) {
- case 1:
- term.mode |= MODE_APPKEYPAD;
- break;
- case 5: /* DECSCNM -- Reverve video */
- if(!IS_SET(MODE_REVERSE)) {
- term.mode |= MODE_REVERSE;
- draw();
- }
- break;
- case 7:
- term.mode |= MODE_WRAP;
- break;
- case 20:
- term.mode |= MODE_CRLF;
- break;
- case 12: /* att610 -- Start blinking cursor (IGNORED) */
- /* fallthrough for xterm cvvis = CSI [ ? 12 ; 25 h */
- if(escseq.narg > 1 && escseq.arg[1] != 25)
- break;
- case 25:
- term.c.state &= ~CURSOR_HIDE;
- break;
- case 1000: /* 1000,1002: enable xterm mouse report */
- term.mode |= MODE_MOUSEBTN;
- break;
- case 1002:
- term.mode |= 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);
- else
- tswapscreen();
- if(escseq.arg[0] != 1049)
- break;
- case 1048:
- tcursor(CURSOR_SAVE);
- break;
- default: goto unknown;
- }
- } else {
- switch(escseq.arg[0]) {
- case 4:
- term.mode |= MODE_INSERT;
- break;
- default: goto unknown;
- }
- };
+ tsetmode(csiescseq.priv, 1, csiescseq.arg, csiescseq.narg);
break;
case 'm': /* SGR -- Terminal attribute (color) */
- tsetattr(escseq.arg, escseq.narg);
+ tsetattr(csiescseq.arg, csiescseq.narg);
break;
case 'r': /* DECSTBM -- Set Scrolling Region */
- if(escseq.priv)
+ if(csiescseq.priv) {
goto unknown;
- else {
- DEFAULT(escseq.arg[0], 1);
- DEFAULT(escseq.arg[1], term.row);
- tsetscroll(escseq.arg[0]-1, escseq.arg[1]-1);
+ } else {
+ DEFAULT(csiescseq.arg[0], 1);
+ DEFAULT(csiescseq.arg[1], term.row);
+ tsetscroll(csiescseq.arg[0]-1, csiescseq.arg[1]-1);
tmoveto(0, 0);
}
break;
void
csidump(void) {
int i;
+ uint c;
+
printf("ESC[");
- for(i = 0; i < escseq.len; i++) {
- uint c = escseq.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);
+ for(i = 0; i < csiescseq.len; i++) {
+ 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');
}
void
csireset(void) {
- memset(&escseq, 0, sizeof(escseq));
+ memset(&csiescseq, 0, sizeof(csiescseq));
}
void
-tputtab(void) {
- int space = TAB - term.c.x % TAB;
- tmoveto(term.c.x + space, term.c.y);
+strhandle(void) {
+ char *p;
+
+ /*
+ * TODO: make this being useful in case of color palette change.
+ */
+ strparse();
+
+ p = strescseq.buf;
+
+ 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);
+ break;
+ case '4': /* TODO: Set color (arg0) to "rgb:%hexr/$hexg/$hexb" (arg1) */
+ break;
+ default:
+ fprintf(stderr, "erresc: unknown str ");
+ strdump();
+ break;
+ }
+ break;
+ case 'k': /* old title set compatibility */
+ XStoreName(xw.dpy, xw.win, strescseq.buf);
+ break;
+ case 'P': /* DSC -- Device Control String */
+ case '_': /* APC -- Application Program Command */
+ case '^': /* PM -- Privacy Message */
+ default:
+ fprintf(stderr, "erresc: unknown str ");
+ strdump();
+ /* die(""); */
+ break;
+ }
}
void
-tputc(char *c) {
- char ascii = *c;
- if(term.esc & ESC_START) {
- if(term.esc & ESC_CSI) {
- escseq.buf[escseq.len++] = ascii;
- if(BETWEEN(ascii, 0x40, 0x7E) || escseq.len >= ESC_BUF_SIZ) {
+strparse(void) {
+ /*
+ * TODO: Implement parsing like for CSI when required.
+ * Format: ESC type cmd ';' arg0 [';' argn] ESC \
+ */
+ return;
+}
+
+void
+strdump(void) {
+ int i;
+ uint c;
+
+ printf("ESC%c", strescseq.type);
+ for(i = 0; i < strescseq.len; i++) {
+ 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);
+ }
+ }
+ printf("ESC\\\n");
+}
+
+void
+strreset(void) {
+ memset(&strescseq, 0, sizeof(strescseq));
+}
+
+void
+tputtab(bool forward) {
+ uint x = term.c.x;
+
+ if(forward) {
+ if(x == term.col)
+ return;
+ for(++x; x < term.col && !term.tabs[x]; ++x)
+ /* nothing */ ;
+ } else {
+ if(x == 0)
+ return;
+ for(--x; x > 0 && !term.tabs[x]; --x)
+ /* nothing */ ;
+ }
+ tmoveto(x, term.c.y);
+}
+
+void
+tputc(char *c, int len) {
+ uchar ascii = *c;
+ bool control = ascii < '\x20' || ascii == 0177;
+
+ if(iofd != -1) {
+ if (xwrite(iofd, c, len) < 0) {
+ fprintf(stderr, "Error writting in %s:%s\n",
+ opt_io, strerror(errno));
+ close(iofd);
+ iofd = -1;
+ }
+ }
+ /*
+ * STR sequences must be checked before of anything
+ * 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:
+ strescseq.buf[strescseq.len++] = ascii;
+ if(strescseq.len+1 >= STR_BUF_SIZ) {
term.esc = 0;
- csiparse(), csihandle();
+ strhandle();
}
- /* TODO: handle other OSC */
- } else if(term.esc & ESC_OSC) {
- if(ascii == ';') {
- term.titlelen = 0;
- term.esc = ESC_START | ESC_TITLE;
- }
- } else if(term.esc & ESC_TITLE) {
- if(ascii == '\a' || term.titlelen+1 >= ESC_TITLE_SIZ) {
+ }
+ return;
+ }
+ /*
+ * 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 */
+ term.c.attr.mode |= ATTR_GFX;
+ return;
+ case '\017': /* SI */
+ term.c.attr.mode &= ~ATTR_GFX;
+ 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;
- term.title[term.titlelen] = '\0';
- XStoreName(xw.dpy, xw.win, term.title);
- } else {
- term.title[term.titlelen++] = ascii;
+ csiparse(), csihandle();
}
+ } else if(term.esc & ESC_STR_END) {
+ term.esc = 0;
+ if(ascii == '\\')
+ strhandle();
} else if(term.esc & ESC_ALTCHARSET) {
switch(ascii) {
- case '0': /* Line drawing crap */
+ case '0': /* Line drawing set */
term.c.attr.mode |= ATTR_GFX;
break;
- case 'B': /* Back to regular text */
+ case 'B': /* USASCII */
term.c.attr.mode &= ~ATTR_GFX;
break;
+ case 'A': /* UK (IGNORED) */
+ case '<': /* multinational charset (IGNORED) */
+ case '5': /* Finnish (IGNORED) */
+ case 'C': /* Finnish (IGNORED) */
+ case 'K': /* German (IGNORED) */
+ break;
default:
fprintf(stderr, "esc unhandled charset: ESC ( %c\n", ascii);
}
term.esc = 0;
+ } 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_OSC;
+ case '#':
+ term.esc |= ESC_TEST;
+ break;
+ case 'P': /* DCS -- Device Control String */
+ case '_': /* APC -- Application Program Command */
+ case '^': /* PM -- Privacy Message */
+ case ']': /* OSC -- Operating System Command */
+ case 'k': /* old title set compatibility */
+ strreset();
+ strescseq.type = ascii;
+ term.esc |= ESC_STR;
break;
- case '(':
+ case '(': /* set primary charset G0 */
term.esc |= ESC_ALTCHARSET;
break;
+ case ')': /* set secondary charset G1 (IGNORED) */
+ case '*': /* set tertiary charset G2 (IGNORED) */
+ case '+': /* set quaternary charset G3 (IGNORED) */
+ term.esc = 0;
+ break;
case 'D': /* IND -- Linefeed */
- if(term.c.y == term.bot)
+ 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 */
tnewline(1); /* always go to first col */
term.esc = 0;
break;
+ case 'H': /* HTS -- Horizontal tab stop */
+ term.tabs[term.c.x] = 1;
+ term.esc = 0;
+ break;
case 'M': /* RI -- Reverse index */
- if(term.c.y == term.top)
+ 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;
+ xresettitle();
break;
case '=': /* DECPAM -- Application keypad */
term.mode |= MODE_APPKEYPAD;
tcursor(CURSOR_LOAD);
term.esc = 0;
break;
+ case '\\': /* ST -- Stop */
+ term.esc = 0;
+ break;
default:
fprintf(stderr, "erresc: unknown sequence ESC 0x%02X '%c'\n",
- (uchar) ascii, isprint(ascii)?ascii:'.');
+ (uchar) ascii, isprint(ascii)? ascii:'.');
term.esc = 0;
}
}
- } else {
- if(sel.bx != -1 && BETWEEN(term.c.y, sel.by, sel.ey))
- sel.bx = -1;
- switch(ascii) {
- case '\t':
- tputtab();
- 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;
- }
+ /*
+ * All characters which forms 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.bx != -1 && BETWEEN(term.c.y, sel.by, sel.ey))
+ sel.bx = -1;
+ if(IS_SET(MODE_WRAP) && term.c.state & CURSOR_WRAPNEXT)
+ tnewline(1); /* always go to first col */
+ 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
+ term.c.state |= CURSOR_WRAPNEXT;
}
int
int minrow = MIN(row, term.row);
int mincol = MIN(col, term.col);
int slide = term.c.y - row + 1;
+ bool *bp;
if(col < 1 || row < 1)
return 0;
}
/* resize to new height */
- term.line = realloc(term.line, row * sizeof(Line));
- term.alt = realloc(term.alt, row * sizeof(Line));
- term.dirty = realloc(term.dirty, row * sizeof(*term.dirty));
+ term.line = xrealloc(term.line, row * sizeof(Line));
+ term.alt = xrealloc(term.alt, row * sizeof(Line));
+ term.dirty = xrealloc(term.dirty, row * sizeof(*term.dirty));
+ term.tabs = xrealloc(term.tabs, col * sizeof(*term.tabs));
/* resize each row to new width, zero-pad if needed */
for(i = 0; i < minrow; i++) {
term.dirty[i] = 1;
- term.line[i] = realloc(term.line[i], col * sizeof(Glyph));
- term.alt[i] = realloc(term.alt[i], col * sizeof(Glyph));
+ 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 */
for(/* i == minrow */; i < row; i++) {
term.dirty[i] = 1;
- term.line[i] = calloc(col, sizeof(Glyph));
- term.alt [i] = calloc(col, sizeof(Glyph));
+ term.line[i] = xcalloc(col, sizeof(Glyph));
+ term.alt [i] = xcalloc(col, sizeof(Glyph));
+ }
+ if(col > 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)
+ *bp = 1;
}
-
/* update terminal size */
term.col = col, term.row = row;
/* make use of the LIMIT in tmoveto */
void
xresize(int col, int row) {
- xw.bufw = MAX(1, col * xw.cw);
- xw.bufh = MAX(1, row * xw.ch);
+ xw.tw = MAX(1, 2*BORDER + col * xw.cw);
+ xw.th = MAX(1, 2*BORDER + row * xw.ch);
+
+ XftDrawChange(xw.xft_draw, xw.buf);
}
void
xloadcols(void) {
int i, r, g, b;
- XColor color;
- ulong white = WhitePixel(xw.dpy, xw.scr);
+ XRenderColor xft_color = { .alpha = 0 };
/* load colors [0-15] colors and [256-LEN(colorname)[ (config.h) */
for(i = 0; i < LEN(colorname); i++) {
if(!colorname[i])
continue;
- if(!XAllocNamedColor(xw.dpy, xw.cmap, colorname[i], &color, &color)) {
- dc.col[i] = white;
- fprintf(stderr, "Could not allocate color '%s'\n", colorname[i]);
- } else
- dc.col[i] = color.pixel;
+ if(!XftColorAllocName(xw.dpy, xw.vis, xw.cmap, colorname[i], &dc.xft_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++) {
- color.red = r == 0 ? 0 : 0x3737 + 0x2828 * r;
- color.green = g == 0 ? 0 : 0x3737 + 0x2828 * g;
- color.blue = b == 0 ? 0 : 0x3737 + 0x2828 * b;
- if(!XAllocColor(xw.dpy, xw.cmap, &color)) {
- dc.col[i] = white;
- fprintf(stderr, "Could not allocate color %d\n", i);
- } else
- dc.col[i] = color.pixel;
+ 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])) {
+ die("Could not allocate color %d\n", i);
+ }
i++;
}
+ }
+ }
for(r = 0; r < 24; r++, i++) {
- color.red = color.green = color.blue = 0x0808 + 0x0a0a * r;
- if (!XAllocColor(xw.dpy, xw.cmap, &color)) {
- dc.col[i] = white;
- fprintf(stderr, "Could not allocate color %d\n", i);
- } else
- dc.col[i] = color.pixel;
+ 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])) {
+ die("Could not allocate color %d\n", i);
+ }
}
}
void
+xtermclear(int col1, int row1, int col2, int row2) {
+ XftDrawRect(xw.xft_draw,
+ &dc.xft_col[IS_SET(MODE_REVERSE) ? DefaultFG : DefaultBG],
+ BORDER + col1 * xw.cw,
+ BORDER + 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,
- x1 * xw.cw, y1 * xw.ch,
- (x2-x1+1) * xw.cw, (y2-y1+1) * xw.ch);
+ XftDrawRect(xw.xft_draw,
+ &dc.xft_col[IS_SET(MODE_REVERSE) ? DefaultFG : DefaultBG],
+ x1, y1, x2-x1, y2-y1);
}
void
xhints(void) {
XClassHint class = {opt_class ? opt_class : TNAME, TNAME};
XWMHints wm = {.flags = InputHint, .input = 1};
- XSizeHints size = {
- .flags = PSize | PResizeInc | PBaseSize,
- .height = xw.h,
- .width = xw.w,
- .height_inc = xw.ch,
- .width_inc = xw.cw,
- .base_height = 2*BORDER,
- .base_width = 2*BORDER,
- };
- XSetWMProperties(xw.dpy, xw.win, NULL, NULL, NULL, 0, &size, &wm, &class);
-}
-
-XFontSet
-xinitfont(char *fontstr) {
- XFontSet set;
- char *def, **missing;
- int n;
-
- missing = NULL;
- set = XCreateFontSet(xw.dpy, fontstr, &missing, &n, &def);
- if(missing) {
- while(n--)
- fprintf(stderr, "st: missing fontset: %s\n", missing[n]);
- XFreeStringList(missing);
+ XSizeHints *sizeh = NULL;
+
+ sizeh = XAllocSizeHints();
+ if(xw.isfixed == False) {
+ sizeh->flags = PSize | PResizeInc | PBaseSize;
+ sizeh->height = xw.h;
+ sizeh->width = xw.w;
+ sizeh->height_inc = xw.ch;
+ sizeh->width_inc = xw.cw;
+ sizeh->base_height = 2*BORDER;
+ sizeh->base_width = 2*BORDER;
+ } else {
+ sizeh->flags = PMaxSize | PMinSize;
+ sizeh->min_width = sizeh->max_width = xw.fw;
+ sizeh->min_height = sizeh->max_height = xw.fh;
}
- return set;
+
+ XSetWMProperties(xw.dpy, xw.win, NULL, NULL, NULL, 0, sizeh, &wm, &class);
+ XFree(sizeh);
}
void
-xgetfontinfo(XFontSet set, int *ascent, int *descent, short *lbearing, short *rbearing) {
- XFontStruct **xfonts;
- char **font_names;
- int i, n;
+xinitfont(Font *f, char *fontstr) {
+ FcPattern *pattern, *match;
+ FcResult result;
+
+ pattern = FcNameParse((FcChar8 *)fontstr);
+ if(!pattern)
+ die("st: can't open font %s\n", fontstr);
- *ascent = *descent = *lbearing = *rbearing = 0;
- n = XFontsOfFontSet(set, &xfonts, &font_names);
- for(i = 0; i < n; i++) {
- *ascent = MAX(*ascent, (*xfonts)->ascent);
- *descent = MAX(*descent, (*xfonts)->descent);
- *lbearing = MAX(*lbearing, (*xfonts)->min_bounds.lbearing);
- *rbearing = MAX(*rbearing, (*xfonts)->max_bounds.rbearing);
- xfonts++;
+ match = XftFontMatch(xw.dpy, xw.scr, pattern, &result);
+ FcPatternDestroy(pattern);
+ if(!match)
+ die("st: can't open font %s\n", fontstr);
+ if(!(f->xft_set = XftFontOpenPattern(xw.dpy, match))) {
+ FcPatternDestroy(match);
+ die("st: can't open font %s.\n", fontstr);
}
+
+ f->ascent = f->xft_set->ascent;
+ f->descent = f->xft_set->descent;
+ f->lbearing = 0;
+ f->rbearing = f->xft_set->max_advance_width;
+
+ f->height = f->xft_set->height;
+ f->width = f->lbearing + f->rbearing;
}
void
-initfonts(char *fontstr, char *bfontstr) {
- if((dc.font.set = xinitfont(fontstr)) == NULL ||
- (dc.bfont.set = xinitfont(bfontstr)) == NULL)
- die("Can't load font %s\n", dc.font.set ? BOLDFONT : FONT);
- xgetfontinfo(dc.font.set, &dc.font.ascent, &dc.font.descent,
- &dc.font.lbearing, &dc.font.rbearing);
- xgetfontinfo(dc.bfont.set, &dc.bfont.ascent, &dc.bfont.descent,
- &dc.bfont.lbearing, &dc.bfont.rbearing);
+initfonts(char *fontstr) {
+ char *fstr;
+
+ xinitfont(&dc.font, fontstr);
+ xw.cw = dc.font.width;
+ xw.ch = dc.font.height;
+
+ fstr = smstrcat(fontstr, ":weight=bold", NULL);
+ xinitfont(&dc.bfont, fstr);
+ free(fstr);
+
+ fstr = smstrcat(fontstr, ":slant=italic,oblique", NULL);
+ xinitfont(&dc.ifont, fstr);
+ free(fstr);
+
+ fstr = smstrcat(fontstr, ":weight=bold:slant=italic,oblique", NULL);
+ xinitfont(&dc.ibfont, fstr);
+ free(fstr);
}
void
XSetWindowAttributes attrs;
Cursor cursor;
Window parent;
+ int sw, sh, major, minor;
if(!(xw.dpy = XOpenDisplay(NULL)))
die("Can't open display\n");
xw.scr = XDefaultScreen(xw.dpy);
-
- /* font */
- initfonts(FONT, BOLDFONT);
+ xw.vis = XDefaultVisual(xw.dpy, xw.scr);
- /* XXX: Assuming same size for bold font */
- xw.cw = dc.font.rbearing - dc.font.lbearing;
- xw.ch = dc.font.ascent + dc.font.descent;
+ /* font */
+ initfonts((opt_font != NULL)? opt_font : FONT);
/* colors */
xw.cmap = XDefaultColormap(xw.dpy, xw.scr);
xloadcols();
- /* window - default size */
- xw.bufh = term.row * xw.ch;
- xw.bufw = term.col * xw.cw;
- xw.h = xw.bufh + 2*BORDER;
- xw.w = xw.bufw + 2*BORDER;
+ /* adjust fixed window geometry */
+ if(xw.isfixed) {
+ sw = DisplayWidth(xw.dpy, xw.scr);
+ sh = DisplayHeight(xw.dpy, xw.scr);
+ if(xw.fx < 0)
+ xw.fx = sw + xw.fx - xw.fw - 1;
+ if(xw.fy < 0)
+ xw.fy = sh + xw.fy - xw.fh - 1;
+
+ xw.h = xw.fh;
+ xw.w = xw.fw;
+ } else {
+ /* window - default size */
+ xw.h = 2*BORDER + term.row * xw.ch;
+ xw.w = 2*BORDER + term.col * xw.cw;
+ xw.fx = 0;
+ xw.fy = 0;
+ }
- attrs.background_pixel = dc.col[DefaultBG];
- attrs.border_pixel = dc.col[DefaultBG];
+ attrs.background_pixel = dc.xft_col[DefaultBG].pixel;
+ attrs.border_pixel = dc.xft_col[DefaultBG].pixel;
attrs.bit_gravity = NorthWestGravity;
attrs.event_mask = FocusChangeMask | KeyPressMask
| ExposureMask | VisibilityChangeMask | StructureNotifyMask
- | ButtonMotionMask | ButtonPressMask | ButtonReleaseMask
- | EnterWindowMask | LeaveWindowMask;
+ | ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
attrs.colormap = xw.cmap;
parent = opt_embed ? strtol(opt_embed, NULL, 0) : XRootWindow(xw.dpy, xw.scr);
- xw.win = XCreateWindow(xw.dpy, parent, 0, 0,
+ xw.win = XCreateWindow(xw.dpy, parent, xw.fx, xw.fy,
xw.w, xw.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
- XDefaultVisual(xw.dpy, xw.scr),
+ 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);
+ /* Xft rendering context */
+ xw.xft_draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap);
/* input methods */
xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL);
XNFocusWindow, xw.win, NULL);
/* gc */
dc.gc = XCreateGC(xw.dpy, xw.win, 0, NULL);
-
+
/* white cursor, black outline */
cursor = XCreateFontCursor(xw.dpy, XC_xterm);
XDefineCursor(xw.dpy, xw.win, cursor);
&(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);
- XStoreName(xw.dpy, xw.win, opt_title ? opt_title : "st");
+ xresettitle();
XMapWindow(xw.dpy, xw.win);
xhints();
XSync(xw.dpy, 0);
void
xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
- int fg = base.fg, bg = base.bg, temp;
- int winx = x*xw.cw, winy = y*xw.ch + dc.font.ascent, width = charlen*xw.cw;
- XFontSet fontset = dc.font.set;
- int i;
-
- /* 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;
- }
+ int winx = BORDER + x * xw.cw, winy = BORDER + y * xw.ch,
+ width = charlen * xw.cw;
+ Font *font = &dc.font;
+ XGlyphInfo extents;
+ XftColor *fg = &dc.xft_col[base.fg], *bg = &dc.xft_col[base.bg],
+ *temp, revfg, revbg;
+ XRenderColor colfg, colbg;
if(base.mode & ATTR_REVERSE)
temp = fg, fg = bg, bg = temp;
if(base.mode & ATTR_BOLD) {
- fg += 8;
- fontset = dc.bfont.set;
+ if(BETWEEN(base.fg, 0, 7)) {
+ /* basic system colors */
+ fg = &dc.xft_col[base.fg + 8];
+ } else if(BETWEEN(base.fg, 16, 195)) {
+ /* 256 colors */
+ fg = &dc.xft_col[base.fg + 36];
+ } else if(BETWEEN(base.fg, 232, 251)) {
+ /* greyscale */
+ fg = &dc.xft_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;
}
- XSetBackground(xw.dpy, dc.gc, dc.col[bg]);
- XSetForeground(xw.dpy, dc.gc, dc.col[fg]);
+ if(base.mode & ATTR_ITALIC)
+ font = &dc.ifont;
+ if(base.mode & (ATTR_ITALIC|ATTR_ITALIC))
+ font = &dc.ibfont;
- if(base.mode & ATTR_GFX) {
- for(i = 0; i < bytelen; i++) {
- char c = gfx[(uint)s[i] % 256];
- if(c)
- s[i] = c;
- else if(s[i] > 0x5f)
- s[i] -= 0x5f;
+ if(IS_SET(MODE_REVERSE)) {
+ if(fg == &dc.xft_col[DefaultFG]) {
+ fg = &dc.xft_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;
}
- }
- XmbDrawImageString(xw.dpy, xw.buf, fontset, dc.gc, winx, winy, s, bytelen);
-
- if(base.mode & ATTR_UNDERLINE)
- XDrawLine(xw.dpy, xw.buf, dc.gc, winx, winy+1, winx+width-1, winy+1);
-}
+ if(bg == &dc.xft_col[DefaultBG]) {
+ bg = &dc.xft_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;
+ }
+ }
-/* copy buffer pixmap to screen pixmap */
-void
-xcopy() {
- XdbeSwapInfo swpinfo[1] = {{xw.win, XdbeCopied}};
- XdbeSwapBuffers(xw.dpy, swpinfo, 1);
+ XftTextExtentsUtf8(xw.dpy, font->xft_set, (FcChar8 *)s, bytelen,
+ &extents);
+ width = extents.xOff;
+ /* Intelligent cleaning up of the borders. */
+ if(x == 0) {
+ xclear(0, (y == 0)? 0 : winy, BORDER,
+ winy + xw.ch + (y == term.row-1)? xw.h : 0);
+ }
+ if(x + charlen >= term.col-1) {
+ 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, BORDER);
+ if(y == term.row-1)
+ xclear(winx, winy + xw.ch, winx + width, xw.h);
+
+ XftDrawRect(xw.xft_draw, bg, winx, winy, width, xw.ch);
+ XftDrawStringUtf8(xw.xft_draw, fg, font->xft_set, winx,
+ winy + font->ascent, (FcChar8 *)s, bytelen);
+
+ if(base.mode & ATTR_UNDERLINE) {
+ XftDrawRect(xw.xft_draw, fg, winx, winy + font->ascent + 1,
+ width, 1);
+ }
}
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};
-
+
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);
/* 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);
-
- xcopy(oldx, oldy, 1, 1);
+ xdraws(term.line[oldy][oldx].c, term.line[oldy][oldx], oldx,
+ oldy, 1, sl);
+ } else {
+ xtermclear(oldx, oldy, oldx, oldy);
+ }
/* draw the new one */
if(!(term.c.state & CURSOR_HIDE)) {
xdraws(g.c, g, term.c.x, term.c.y, 1, sl);
oldx = term.c.x, oldy = term.c.y;
}
+}
- xcopy(term.c.x, term.c.y, 1, 1);
+void
+xresettitle(void) {
+ XStoreName(xw.dpy, xw.win, opt_title ? opt_title : "st");
}
void
-draw() {
+redraw(void) {
+ struct timespec tv = {0, REDRAW_TIMEOUT * 1000};
+
+ tfulldirt();
+ draw();
+ XSync(xw.dpy, False); /* necessary for a good tput flash */
+ nanosleep(&tv, NULL);
+}
+
+void
+draw(void) {
+ XdbeSwapInfo swpinfo[1] = {{xw.win, XdbeCopied}};
+
drawregion(0, 0, term.col, term.row);
- xcopy();
- gettimeofday(&xw.lastdraw, NULL);
+ XdbeSwapBuffers(xw.dpy, swpinfo, 1);
}
void
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);
+ if((sel.alt && !alt) || (!sel.alt && alt))
+ 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(sel.bx != -1 && *(new.c) && selected(x, y))
+ if(ena_sel && *(new.c) && 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 && (!(new.state & GLYPH_SET)
+ || ATTRCMP(base, new)
+ || ib >= DRAW_BUF_SIZ-UTF_SIZ)) {
xdraws(buf, base, ox, y, ic, ib);
ic = ib = 0;
}
void
expose(XEvent *ev) {
XExposeEvent *e = &ev->xexpose;
+
if(xw.state & WIN_REDRAW) {
if(!e->count)
xw.state &= ~WIN_REDRAW;
- }
- xcopy();
+ }
}
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
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);
if(ev->type == FocusIn) {
xw.state |= WIN_FOCUSED;
xseturgency(0);
- } else
+ } else {
xw.state &= ~WIN_FOCUSED;
- draw();
+ }
}
char*
kmap(KeySym k, uint state) {
int i;
+ uint mask;
+
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)))
+ mask = key[i].mask;
+
+ if(key[i].k == k && ((state & mask) == mask
+ || (mask == XK_NO_MOD && !state))) {
return (char*)key[i].s;
+ }
}
return NULL;
}
int shift;
Status status;
+ 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)))
+ if((customkey = kmap(ksym, e->state))) {
ttywrite(customkey, strlen(customkey));
/* 2. hardcoded (overrides X lookup) */
- else
+ } 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]);
+ sprintf(buf, "\033%c%c",
+ IS_SET(MODE_APPKEYPAD) ? 'O' : '[',
+ (shift ? "dacb":"DACB")[ksym - XK_Left]);
ttywrite(buf, 3);
break;
case XK_Insert:
selpaste();
break;
case XK_Return:
- if(IS_SET(MODE_CRLF))
+ if(IS_SET(MODE_CRLF)) {
ttywrite("\r\n", 2);
- else
+ } else {
ttywrite("\r", 1);
+ }
break;
/* 3. X lookup */
default:
}
break;
}
+ }
}
void
cmessage(XEvent *e) {
/* See xembed specs
http://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html */
- if (e->xclient.message_type == xw.xembed && e->xclient.format == 32) {
- if (e->xclient.data.l[1] == XEMBED_FOCUS_IN) {
+ if(e->xclient.message_type == xw.xembed && e->xclient.format == 32) {
+ if(e->xclient.data.l[1] == XEMBED_FOCUS_IN) {
xw.state |= WIN_FOCUSED;
xseturgency(0);
- } else if (e->xclient.data.l[1] == XEMBED_FOCUS_OUT) {
+ } else if(e->xclient.data.l[1] == XEMBED_FOCUS_OUT) {
xw.state &= ~WIN_FOCUSED;
}
- draw();
+ } else if(e->xclient.data.l[0] == xw.wmdeletewin) {
+ /* Send SIGHUP to shell */
+ kill(pid, SIGHUP);
+ exit(EXIT_SUCCESS);
}
}
void
resize(XEvent *e) {
int col, row;
-
+
if(e->xconfigure.width == xw.w && e->xconfigure.height == xw.h)
return;
-
+
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;
- if(tresize(col, row))
- draw();
- ttyresize(col, row);
- xresize(col, row);
-}
-bool
-last_draw_too_old(void) {
- struct timeval now;
- gettimeofday(&now, NULL);
- return TIMEDIFF(now, xw.lastdraw) >= DRAW_TIMEOUT/1000;
+ tresize(col, row);
+ xresize(col, row);
+ ttyresize();
}
void
run(void) {
XEvent ev;
fd_set rfd;
- int xfd = XConnectionNumber(xw.dpy);
- struct timeval timeout = {0};
- bool stuff_to_print = 0;
-
- for(;;) {
+ int xfd = XConnectionNumber(xw.dpy), i;
+ struct timeval drawtimeout, *tv = NULL;
+
+ for(i = 0;; i++) {
FD_ZERO(&rfd);
FD_SET(cmdfd, &rfd);
FD_SET(xfd, &rfd);
- timeout.tv_sec = 0;
- timeout.tv_usec = SELECT_TIMEOUT;
- if(select(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, &timeout) < 0) {
+ if(select(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, tv) < 0) {
if(errno == EINTR)
continue;
die("select failed: %s\n", SERRNO);
}
- if(FD_ISSET(cmdfd, &rfd)) {
+
+ /*
+ * 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)) {
ttyread();
- stuff_to_print = 1;
- }
- if(stuff_to_print && last_draw_too_old()) {
- stuff_to_print = 0;
- draw();
+ /*
+ * 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;
}
+ i = 0;
+ tv = NULL;
while(XPending(xw.dpy)) {
XNextEvent(xw.dpy, &ev);
if(handler[ev.type])
(handler[ev.type])(&ev);
}
+
+ draw();
+ XFlush(xw.dpy);
}
}
int
main(int argc, char *argv[]) {
- int i;
-
+ int i, bitm, xr, yr;
+ uint wr, hr;
+
+ 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];
+ if(++i < argc)
+ opt_class = argv[i];
break;
case 'e':
/* eat every remaining arguments */
- if(++i < argc) opt_cmd = &argv[i];
+ if(++i < argc)
+ opt_cmd = &argv[i];
goto run;
+ case 'f':
+ if(++i < argc)
+ opt_font = argv[i];
+ break;
+ 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 'o':
+ if(++i < argc)
+ opt_io = argv[i];
+ break;
+ case 't':
+ if(++i < argc)
+ opt_title = argv[i];
+ break;
case 'v':
default:
die(USAGE);
+ case 'w':
+ if(++i < argc)
+ opt_embed = argv[i];
+ break;
}
}
- run:
+run:
setlocale(LC_CTYPE, "");
tnew(80, 24);
ttynew();
run();
return 0;
}
+
Got questions, comments, patches, etc.? Contact Jason Woofenden