#include <X11/cursorfont.h>
#include <X11/keysym.h>
#include <X11/Xft/Xft.h>
+#include <X11/XKBlib.h>
#include <fontconfig/fontconfig.h>
#include <wchar.h>
#define XK_NO_MOD 0
#define XK_SWITCH_MOD (1<<13)
-#define REDRAW_TIMEOUT (80*1000) /* 80 ms */
-
/* macros */
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#define MAX(a, b) ((a) < (b) ? (b) : (a))
#define LEN(a) (sizeof(a) / sizeof(a)[0])
#define DEFAULT(a, b) (a) = (a) ? (a) : (b)
#define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b))
-#define ISCONTROLC0(c) (BETWEEN(c, 0, 0x1f))
+#define ISCONTROLC0(c) (BETWEEN(c, 0, 0x1f) || (c) == '\177')
#define ISCONTROLC1(c) (BETWEEN(c, 0x80, 0x9f))
#define ISCONTROL(c) (ISCONTROLC0(c) || ISCONTROLC1(c))
#define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)
#define TRUERED(x) (((x) & 0xff0000) >> 8)
#define TRUEGREEN(x) (((x) & 0xff00))
#define TRUEBLUE(x) (((x) & 0xff) << 8)
+#define TLINE(y) ((y) < term.scr ? term.hist[((y) + term.histi - term.scr \
+ + histsize + 1) % histsize] : term.line[(y) - term.scr])
enum glyph_attribute {
ATTR_NULL = 0,
- ATTR_BOLD = 1,
- ATTR_FAINT = 2,
- ATTR_ITALIC = 4,
- ATTR_UNDERLINE = 8,
- ATTR_BLINK = 16,
- ATTR_REVERSE = 32,
- ATTR_INVISIBLE = 64,
- ATTR_STRUCK = 128,
- ATTR_WRAP = 256,
- ATTR_WIDE = 512,
- ATTR_WDUMMY = 1024,
+ ATTR_BOLD = 1 << 0,
+ ATTR_FAINT = 1 << 1,
+ ATTR_ITALIC = 1 << 2,
+ ATTR_UNDERLINE = 1 << 3,
+ ATTR_BLINK = 1 << 4,
+ ATTR_REVERSE = 1 << 5,
+ ATTR_INVISIBLE = 1 << 6,
+ ATTR_STRUCK = 1 << 7,
+ ATTR_WRAP = 1 << 8,
+ ATTR_WIDE = 1 << 9,
+ ATTR_WDUMMY = 1 << 10,
};
enum cursor_movement {
};
enum term_mode {
- MODE_WRAP = 1,
- MODE_INSERT = 2,
- MODE_APPKEYPAD = 4,
- MODE_ALTSCREEN = 8,
- MODE_CRLF = 16,
- MODE_MOUSEBTN = 32,
- MODE_MOUSEMOTION = 64,
- MODE_REVERSE = 128,
- MODE_KBDLOCK = 256,
- MODE_HIDE = 512,
- MODE_ECHO = 1024,
- MODE_APPCURSOR = 2048,
- MODE_MOUSESGR = 4096,
- MODE_8BIT = 8192,
- MODE_BLINK = 16384,
- MODE_FBLINK = 32768,
- MODE_FOCUS = 65536,
- MODE_MOUSEX10 = 131072,
- MODE_MOUSEMANY = 262144,
- MODE_BRCKTPASTE = 524288,
- MODE_PRINT = 1048576,
+ MODE_WRAP = 1 << 0,
+ MODE_INSERT = 1 << 1,
+ MODE_APPKEYPAD = 1 << 2,
+ MODE_ALTSCREEN = 1 << 3,
+ MODE_CRLF = 1 << 4,
+ MODE_MOUSEBTN = 1 << 5,
+ MODE_MOUSEMOTION = 1 << 6,
+ MODE_REVERSE = 1 << 7,
+ MODE_KBDLOCK = 1 << 8,
+ MODE_HIDE = 1 << 9,
+ MODE_ECHO = 1 << 10,
+ MODE_APPCURSOR = 1 << 11,
+ MODE_MOUSESGR = 1 << 12,
+ MODE_8BIT = 1 << 13,
+ MODE_BLINK = 1 << 14,
+ MODE_FBLINK = 1 << 15,
+ MODE_FOCUS = 1 << 16,
+ MODE_MOUSEX10 = 1 << 17,
+ MODE_MOUSEMANY = 1 << 18,
+ MODE_BRCKTPASTE = 1 << 19,
+ MODE_PRINT = 1 << 20,
MODE_MOUSE = MODE_MOUSEBTN|MODE_MOUSEMOTION|MODE_MOUSEX10\
|MODE_MOUSEMANY,
};
} TCursor;
/* CSI Escape sequence structs */
-/* ESC '[' [[ [<priv>] <arg> [;]] <mode>] */
+/* ESC '[' [[ [<priv>] <arg> [;]] <mode> [<mode>]] */
typedef struct {
char buf[ESC_BUF_SIZ]; /* raw string */
int len; /* raw string length */
char priv;
int arg[ESC_ARG_SIZ];
int narg; /* nb of args */
- char mode;
+ char mode[2];
} CSIEscape;
/* STR Escape sequence structs */
int col; /* nb col */
Line *line; /* screen */
Line *alt; /* alternate screen */
+ Line *hist; /* history buffer */
+ int histi; /* history index */
+ int scr; /* scroll back */
bool *dirty; /* dirtyness of lines */
TCursor c; /* cursor */
int top; /* top scroll limit */
int ch; /* char height */
int cw; /* char width */
char state; /* focus, redraw, visible */
+ int cursor; /* cursor style */
} XWindow;
typedef struct {
int x, y;
} nb, ne, ob, oe;
- char *clip;
+ char *primary, *clipboard;
Atom xtarget;
bool alt;
struct timespec tclick1;
} Shortcut;
/* function definitions used in config.h */
+static void clipcopy(const Arg *);
static void clippaste(const Arg *);
+static void kscrolldown(const Arg *);
+static void kscrollup(const Arg *);
static void numlock(const Arg *);
static void selpaste(const Arg *);
static void xzoom(const Arg *);
+static void xzoomabs(const Arg *);
+static void xzoomreset(const Arg *);
static void printsel(const Arg *);
static void printscreen(const Arg *) ;
static void toggleprinter(const Arg *);
static void die(const char *, ...);
static void draw(void);
-static void redraw(int);
+static void redraw(void);
static void drawregion(int, int, int, int);
static void execsh(void);
static void sigchld(int);
static void csihandle(void);
static void csiparse(void);
static void csireset(void);
+static int eschandle(uchar ascii);
static void strdump(void);
static void strhandle(void);
static void strparse(void);
static void tputc(char *, int);
static void treset(void);
static void tresize(int, int);
-static void tscrollup(int, int);
-static void tscrolldown(int, int);
+static void tscrollup(int, int, bool);
+static void tscrolldown(int, int, bool);
static void tsetattr(int *, int);
static void tsetchar(char *, Glyph *, int, int);
static void tsetscroll(int, int);
[MotionNotify] = bmotion,
[ButtonPress] = bpress,
[ButtonRelease] = brelease,
- [SelectionClear] = selclear,
+/*
+ * Uncomment if you want the selection to disappear when you select something
+ * different in another window.
+ */
+/* [SelectionClear] = selclear, */
[SelectionNotify] = selnotify,
[SelectionRequest] = selrequest,
};
static char *usedfont = NULL;
static double usedfontsize = 0;
+static double defaultfontsize = 0;
static uchar utfbyte[UTF_SIZ + 1] = {0x80, 0, 0xC0, 0xE0, 0xF0};
static uchar utfmask[UTF_SIZ + 1] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8};
typedef struct {
XftFont *font;
int flags;
+ long unicodep;
} Fontcache;
/* Fontcache is an array now. A new font will be appended to the array. */
static void
selinit(void) {
- memset(&sel.tclick1, 0, sizeof(sel.tclick1));
- memset(&sel.tclick2, 0, sizeof(sel.tclick2));
+ clock_gettime(CLOCK_MONOTONIC, &sel.tclick1);
+ clock_gettime(CLOCK_MONOTONIC, &sel.tclick2);
sel.mode = 0;
+ sel.snap = 0;
sel.ob.x = -1;
- sel.clip = NULL;
+ sel.primary = NULL;
+ sel.clipboard = NULL;
sel.xtarget = XInternAtom(xw.dpy, "UTF8_STRING", 0);
if(sel.xtarget == None)
sel.xtarget = XA_STRING;
static int tlinelen(int y) {
int i = term.col;
- while (i > 0 && term.line[y][i - 1].c[0] == ' ')
+ if(TLINE(y)[i - 1].mode & ATTR_WRAP)
+ return i;
+
+ while(i > 0 && TLINE(y)[i - 1].c[0] == ' ')
--i;
return i;
sel.nb.y = MIN(sel.ob.y, sel.oe.y);
sel.ne.y = MAX(sel.ob.y, sel.oe.y);
+ selsnap(sel.snap, &sel.nb.x, &sel.nb.y, -1);
+ selsnap(sel.snap, &sel.ne.x, &sel.ne.y, +1);
+
/* expand selection over line breaks */
if (sel.type == SEL_RECTANGULAR)
return;
void
selsnap(int mode, int *x, int *y, int direction) {
int newx, newy, xt, yt;
- Glyph *gp;
+ bool delim, prevdelim;
+ Glyph *gp, *prevgp;
switch(mode) {
case SNAP_WORD:
* Snap around if the word wraps around at the end or
* beginning of a line.
*/
+ prevgp = &TLINE(*y)[*x];
+ prevdelim = strchr(worddelimiters, prevgp->c[0]) != NULL;
for(;;) {
newx = *x + direction;
newy = *y;
yt = *y, xt = *x;
else
yt = newy, xt = newx;
- if(!(term.line[yt][xt].mode & ATTR_WRAP))
+ if(!(TLINE(yt)[xt].mode & ATTR_WRAP))
break;
}
if (newx >= tlinelen(newy))
break;
- gp = &term.line[newy][newx];
- if (!(gp->mode & ATTR_WDUMMY) && strchr(worddelimiters, gp->c[0]))
+ gp = &TLINE(newy)[newx];
+ delim = strchr(worddelimiters, gp->c[0]) != NULL;
+ if(!(gp->mode & ATTR_WDUMMY) && (delim != prevdelim
+ || (delim && gp->c[0] != prevgp->c[0])))
break;
*x = newx;
*y = newy;
+ prevgp = gp;
+ prevdelim = delim;
}
break;
case SNAP_LINE:
*x = (direction < 0) ? 0 : term.col - 1;
if(direction < 0 && *y > 0) {
for(; *y > 0; *y += direction) {
- if(!(term.line[*y-1][term.col-1].mode
+ if(!(TLINE(*y-1)[term.col-1].mode
& ATTR_WRAP)) {
break;
}
}
} else if(direction > 0 && *y < term.row-1) {
for(; *y < term.row; *y += direction) {
- if(!(term.line[*y][term.col-1].mode
+ if(!(TLINE(*y)[term.col-1].mode
& ATTR_WRAP)) {
break;
}
sel.oe.x = x2col(e->xbutton.x);
sel.oe.y = y2row(e->xbutton.y);
-
- if(sel.ob.y < sel.oe.y
- || (sel.ob.y == sel.oe.y && sel.ob.x < sel.oe.x)) {
- selsnap(sel.snap, &sel.ob.x, &sel.ob.y, -1);
- selsnap(sel.snap, &sel.oe.x, &sel.oe.y, +1);
- } else {
- selsnap(sel.snap, &sel.oe.x, &sel.oe.y, -1);
- selsnap(sel.snap, &sel.ob.x, &sel.ob.y, +1);
- }
selnormalize();
sel.type = SEL_REGULAR;
void
mousereport(XEvent *e) {
- int x = x2col(e->xbutton.x), y = y2row(e->xbutton.y),
- button = e->xbutton.button, state = e->xbutton.state,
- len;
- char buf[40];
- static int ox, oy;
-
- /* from urxvt */
- if(e->xbutton.type == MotionNotify) {
- if(x == ox && y == oy)
- return;
- if(!IS_SET(MODE_MOUSEMOTION) && !IS_SET(MODE_MOUSEMANY))
- return;
- /* MOUSE_MOTION: no reporting if no button is pressed */
- if(IS_SET(MODE_MOUSEMOTION) && oldbutton == 3)
- return;
-
- button = oldbutton + 32;
- ox = x;
- oy = y;
- } else {
- if(!IS_SET(MODE_MOUSESGR) && e->xbutton.type == ButtonRelease) {
- button = 3;
- } else {
- button -= Button1;
- if(button >= 3)
- button += 64 - 3;
- }
- if(e->xbutton.type == ButtonPress) {
- oldbutton = button;
- ox = x;
- oy = y;
- } else if(e->xbutton.type == ButtonRelease) {
- oldbutton = 3;
- /* MODE_MOUSEX10: no button release reporting */
- if(IS_SET(MODE_MOUSEX10))
- return;
- if (button == 64 || button == 65)
- return;
- }
- }
-
- if(!IS_SET(MODE_MOUSEX10)) {
- button += (state & ShiftMask ? 4 : 0)
- + (state & Mod4Mask ? 8 : 0)
- + (state & ControlMask ? 16 : 0);
- }
-
- len = 0;
- if(IS_SET(MODE_MOUSESGR)) {
- len = snprintf(buf, sizeof(buf), "\033[<%d;%d;%d%c",
- button, x+1, y+1,
- e->xbutton.type == ButtonRelease ? 'm' : 'M');
- } else if(x < 223 && y < 223) {
- len = snprintf(buf, sizeof(buf), "\033[M%c%c%c",
- 32+button, 32+x+1, 32+y+1);
- } else {
- return;
- }
-
- ttywrite(buf, len);
+ return; // jason
+// int x = x2col(e->xbutton.x), y = y2row(e->xbutton.y),
+// button = e->xbutton.button, state = e->xbutton.state,
+// len;
+// char buf[40];
+// static int ox, oy;
+//
+// /* from urxvt */
+// if(e->xbutton.type == MotionNotify) {
+// if(x == ox && y == oy)
+// return;
+// if(!IS_SET(MODE_MOUSEMOTION) && !IS_SET(MODE_MOUSEMANY))
+// return;
+// /* MOUSE_MOTION: no reporting if no button is pressed */
+// if(IS_SET(MODE_MOUSEMOTION) && oldbutton == 3)
+// return;
+//
+// button = oldbutton + 32;
+// ox = x;
+// oy = y;
+// } else {
+// if(!IS_SET(MODE_MOUSESGR) && e->xbutton.type == ButtonRelease) {
+// button = 3;
+// } else {
+// button -= Button1;
+// if(button >= 3)
+// button += 64 - 3;
+// }
+// if(e->xbutton.type == ButtonPress) {
+// oldbutton = button;
+// ox = x;
+// oy = y;
+// } else if(e->xbutton.type == ButtonRelease) {
+// oldbutton = 3;
+// /* MODE_MOUSEX10: no button release reporting */
+// if(IS_SET(MODE_MOUSEX10))
+// return;
+// if (button == 64 || button == 65)
+// return;
+// }
+// }
+//
+// if(!IS_SET(MODE_MOUSEX10)) {
+// button += (state & ShiftMask ? 4 : 0)
+// + (state & Mod4Mask ? 8 : 0)
+// + (state & ControlMask ? 16 : 0);
+// }
+//
+// len = 0;
+// if(IS_SET(MODE_MOUSESGR)) {
+// len = snprintf(buf, sizeof(buf), "\033[<%d;%d;%d%c",
+// button, x+1, y+1,
+// e->xbutton.type == ButtonRelease ? 'm' : 'M');
+// } else if(x < 223 && y < 223) {
+// len = snprintf(buf, sizeof(buf), "\033[M%c%c%c",
+// 32+button, 32+x+1, 32+y+1);
+// } else {
+// return;
+// }
+//
+// ttywrite(buf, len);
}
void
} else {
sel.snap = 0;
}
- selsnap(sel.snap, &sel.ob.x, &sel.ob.y, -1);
- selsnap(sel.snap, &sel.oe.x, &sel.oe.y, +1);
selnormalize();
/*
linelen = tlinelen(y);
if(sel.type == SEL_RECTANGULAR) {
- gp = &term.line[y][sel.nb.x];
+ gp = &TLINE(y)[sel.nb.x];
lastx = sel.ne.x;
} else {
- gp = &term.line[y][sel.nb.y == y ? sel.nb.x : 0];
+ gp = &TLINE(y)[sel.nb.y == y ? sel.nb.x : 0];
lastx = (sel.ne.y == y) ? sel.ne.x : term.col-1;
}
- last = &term.line[y][MIN(lastx, linelen-1)];
+ last = &TLINE(y)[MIN(lastx, linelen-1)];
+ while(last >= gp && last->c[0] == ' ')
+ --last;
for( ; gp <= last; ++gp) {
if(gp->mode & ATTR_WDUMMY)
* st.
* FIXME: Fix the computer world.
*/
- if(sel.ne.y > y || lastx >= linelen)
+ if((y < sel.ne.y || lastx >= linelen) && !(last->mode & ATTR_WRAP))
*ptr++ = '\n';
}
*ptr = 0;
int format;
uchar *data, *last, *repl;
Atom type;
+ XSelectionEvent *xsev;
ofs = 0;
+ xsev = (XSelectionEvent *)e;
+ if (xsev->property == None)
+ return;
do {
- if(XGetWindowProperty(xw.dpy, xw.win, XA_PRIMARY, ofs, BUFSIZ/4,
- False, AnyPropertyType, &type, &format,
- &nitems, &rem, &data)) {
+ if(XGetWindowProperty(xw.dpy, xw.win, xsev->property, ofs,
+ BUFSIZ/4, False, AnyPropertyType,
+ &type, &format, &nitems, &rem,
+ &data)) {
fprintf(stderr, "Clipboard allocation failed\n");
return;
}
}
void
+clipcopy(const Arg *dummy) {
+ Atom clipboard;
+
+ if(sel.clipboard != NULL)
+ free(sel.clipboard);
+
+ if(sel.primary != NULL) {
+ sel.clipboard = xstrdup(sel.primary);
+ clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
+ XSetSelectionOwner(xw.dpy, clipboard, xw.win, CurrentTime);
+ }
+}
+
+void
clippaste(const Arg *dummy) {
Atom clipboard;
clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
- XConvertSelection(xw.dpy, clipboard, sel.xtarget, XA_PRIMARY,
+ XConvertSelection(xw.dpy, clipboard, sel.xtarget, clipboard,
xw.win, CurrentTime);
}
selrequest(XEvent *e) {
XSelectionRequestEvent *xsre;
XSelectionEvent xev;
- Atom xa_targets, string;
+ Atom xa_targets, string, clipboard;
+ char *seltext;
xsre = (XSelectionRequestEvent *) e;
xev.type = SelectionNotify;
XA_ATOM, 32, PropModeReplace,
(uchar *) &string, 1);
xev.property = xsre->property;
- } else if(xsre->target == sel.xtarget && sel.clip != NULL) {
- XChangeProperty(xsre->display, xsre->requestor, xsre->property,
- xsre->target, 8, PropModeReplace,
- (uchar *) sel.clip, strlen(sel.clip));
- xev.property = xsre->property;
+ } else if(xsre->target == sel.xtarget || xsre->target == XA_STRING) {
+ /*
+ * xith XA_STRING non ascii characters may be incorrect in the
+ * requestor. It is not our problem, use utf8.
+ */
+ clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
+ if(xsre->selection == XA_PRIMARY) {
+ seltext = sel.primary;
+ } else if(xsre->selection == clipboard) {
+ seltext = sel.clipboard;
+ } else {
+ fprintf(stderr,
+ "Unhandled clipboard selection 0x%lx\n",
+ xsre->selection);
+ return;
+ }
+ if(seltext != NULL) {
+ XChangeProperty(xsre->display, xsre->requestor,
+ xsre->property, xsre->target,
+ 8, PropModeReplace,
+ (uchar *)seltext, strlen(seltext));
+ xev.property = xsre->property;
+ }
}
/* all done, send a notification to the listener */
void
xsetsel(char *str) {
- /* register the selection for both the clipboard and the primary */
- Atom clipboard;
-
- free(sel.clip);
- sel.clip = str;
+ free(sel.primary);
+ sel.primary = str;
XSetSelectionOwner(xw.dpy, XA_PRIMARY, xw.win, CurrentTime);
-
- clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
- XSetSelectionOwner(xw.dpy, clipboard, xw.win, CurrentTime);
}
void
void
execsh(void) {
- char **args;
- char *envshell = getenv("SHELL");
- const struct passwd *pass = getpwuid(getuid());
+ char **args, *sh, *prog;
+ const struct passwd *pw;
char buf[sizeof(long) * 8 + 1];
- unsetenv("COLUMNS");
- unsetenv("LINES");
- unsetenv("TERMCAP");
+ errno = 0;
+ if((pw = getpwuid(getuid())) == NULL) {
+ if(errno)
+ die("getpwuid:%s\n", strerror(errno));
+ else
+ die("who are you?\n");
+ }
- if(pass) {
- setenv("LOGNAME", pass->pw_name, 1);
- setenv("USER", pass->pw_name, 1);
- setenv("SHELL", pass->pw_shell, 0);
- setenv("HOME", pass->pw_dir, 0);
+ if (!(sh = getenv("SHELL"))) {
+ sh = (pw->pw_shell[0]) ? pw->pw_shell : shell;
}
+ if(opt_cmd)
+ prog = opt_cmd[0];
+ else if(utmp)
+ prog = utmp;
+ else
+ prog = sh;
+ args = (opt_cmd) ? opt_cmd : (char *[]) {prog, NULL};
+
snprintf(buf, sizeof(buf), "%lu", xw.win);
+
+ unsetenv("COLUMNS");
+ unsetenv("LINES");
+ unsetenv("TERMCAP");
+ setenv("LOGNAME", pw->pw_name, 1);
+ setenv("USER", pw->pw_name, 1);
+ setenv("SHELL", sh, 1);
+ setenv("HOME", pw->pw_dir, 1);
+ setenv("TERM", termname, 1);
setenv("WINDOWID", buf, 1);
signal(SIGCHLD, SIG_DFL);
signal(SIGTERM, SIG_DFL);
signal(SIGALRM, SIG_DFL);
- DEFAULT(envshell, shell);
- setenv("TERM", termname, 1);
- args = opt_cmd ? opt_cmd : (char *[]){envshell, "-i", NULL};
- execvp(args[0], args);
- exit(EXIT_FAILURE);
+ execvp(prog, args);
+ _exit(EXIT_FAILURE);
}
void
/* keep any uncomplete utf8 char for the next call */
memmove(buf, ptr, buflen);
+ if(term.scr > 0 && term.scr < histsize-1) term.scr++;
}
void
ttywrite(const char *s, size_t n) {
+ Arg arg = (Arg){ .i = term.scr };
+
+ kscrolldown(&arg);
+
if(xwrite(cmdfd, s, n) == -1)
die("write error on tty: %s\n", strerror(errno));
}
}
void
-tscrolldown(int orig, int n) {
+kscrolldown(const Arg* a) {
+ int n = a->i;
+
+ if(n < 0)
+ n = term.row + n;
+
+ if(n > term.scr)
+ n = term.scr;
+
+ if(term.scr > 0) {
+ term.scr -= n;
+ selscroll(0, -n);
+ tfulldirt();
+ }
+}
+
+void
+kscrollup(const Arg* a) {
+ int n = a->i;
+
+ if(n < 0)
+ n = term.row + n;
+
+ if(term.scr <= histsize - n) {
+ term.scr += n;
+ selscroll(0, n);
+ tfulldirt();
+ }
+}
+
+void
+tscrolldown(int orig, int n, bool copyhist) {
int i;
Line temp;
LIMIT(n, 0, term.bot-orig+1);
tsetdirt(orig, term.bot-n);
+ if(copyhist) {
+ term.histi = (term.histi - 1 + histsize) % histsize;
+ temp = term.hist[term.histi];
+ term.hist[term.histi] = term.line[term.bot];
+ term.line[term.bot] = temp;
+ }
+
tclearregion(0, term.bot-n+1, term.col-1, term.bot);
for(i = term.bot; i >= orig+n; i--) {
}
void
-tscrollup(int orig, int n) {
+tscrollup(int orig, int n, bool copyhist) {
int i;
Line temp;
LIMIT(n, 0, term.bot-orig+1);
+ if(copyhist) {
+ term.histi = (term.histi + 1) % histsize;
+ temp = term.hist[term.histi];
+ term.hist[term.histi] = term.line[orig];
+ term.line[orig] = temp;
+ }
+
tclearregion(0, orig, term.col-1, orig+n-1);
tsetdirt(orig+n, term.bot);
int y = term.c.y;
if(y == term.bot) {
- tscrollup(term.top, 1);
+ tscrollup(term.top, 1, true);
} else {
y++;
}
break;
p++;
}
- csiescseq.mode = *p;
+ csiescseq.mode[0] = *p++;
+ csiescseq.mode[1] = (p < csiescseq.buf+csiescseq.len) ? *p : '\0';
}
/* for absolute user moves, when decom is set */
void
tinsertblankline(int n) {
if(BETWEEN(term.c.y, term.top, term.bot))
- tscrolldown(term.c.y, n);
+ tscrolldown(term.c.y, n, false);
}
void
tdeleteline(int n) {
if(BETWEEN(term.c.y, term.top, term.bot))
- tscrollup(term.c.y, n);
+ tscrollup(term.c.y, n, false);
}
int32_t
mode = term.mode;
MODBIT(term.mode, set, MODE_REVERSE);
if(mode != term.mode)
- redraw(REDRAW_TIMEOUT);
+ redraw();
break;
case 6: /* DECOM -- Origin */
MODBIT(term.c.state, set, CURSOR_ORIGIN);
char buf[40];
int len;
- switch(csiescseq.mode) {
+ switch(csiescseq.mode[0]) {
default:
unknown:
fprintf(stderr, "erresc: unknown csi ");
break;
case 'S': /* SU -- Scroll <n> line up */
DEFAULT(csiescseq.arg[0], 1);
- tscrollup(term.top, csiescseq.arg[0]);
+ tscrollup(term.top, csiescseq.arg[0], false);
break;
case 'T': /* SD -- Scroll <n> line down */
DEFAULT(csiescseq.arg[0], 1);
- tscrolldown(term.top, csiescseq.arg[0]);
+ tscrolldown(term.top, csiescseq.arg[0], false);
break;
case 'L': /* IL -- Insert <n> blank lines */
DEFAULT(csiescseq.arg[0], 1);
case 'u': /* DECRC -- Restore cursor position (ANSI.SYS) */
tcursor(CURSOR_LOAD);
break;
+ case ' ':
+ switch (csiescseq.mode[1]) {
+ case 'q': /* DECSCUSR -- Set Cursor Style */
+ DEFAULT(csiescseq.arg[0], 1);
+ if (!BETWEEN(csiescseq.arg[0], 0, 6)) {
+ goto unknown;
+ }
+ xw.cursor = csiescseq.arg[0];
+ break;
+ default:
+ goto unknown;
+ }
+ break;
}
}
* TODO if defaultbg color is changed, borders
* are dirty
*/
- redraw(0);
+ redraw();
}
return;
}
void
strparse(void) {
+ int c;
char *p = strescseq.buf;
strescseq.narg = 0;
strescseq.buf[strescseq.len] = '\0';
- while(p && strescseq.narg < STR_ARG_SIZ)
- strescseq.args[strescseq.narg++] = strsep(&p, ";");
+
+ if(*p == '\0')
+ return;
+
+ while(strescseq.narg < STR_ARG_SIZ) {
+ strescseq.args[strescseq.narg++] = p;
+ while((c = *p) != ';' && c != '\0')
+ ++p;
+ if(c == '\0')
+ return;
+ *p++ = '\0';
+ }
}
void
}
void
+tdectest(char c) {
+ static char E[UTF_SIZ] = "E";
+ int x, y;
+
+ if(c == '8') { /* DEC screen alignment test. */
+ for(x = 0; x < term.col; ++x) {
+ for(y = 0; y < term.row; ++y)
+ tsetchar(E, &term.c.attr, x, y);
+ }
+ }
+}
+
+void
tstrsequence(uchar c) {
if (c & 0x80) {
switch (c) {
if(!(xw.state & WIN_FOCUSED))
xseturgency(1);
if (bellvolume)
- XBell(xw.dpy, bellvolume);
+ XkbBell(xw.dpy, xw.win, bellvolume, (Atom)NULL);
}
break;
case '\033': /* ESC */
term.esc &= ~(ESC_CSI|ESC_ALTCHARSET|ESC_TEST);
term.esc |= ESC_START;
return;
- case '\016': /* SO */
- term.charset = 0;
- return;
- case '\017': /* SI */
- term.charset = 1;
+ case '\016': /* SO (LS1 -- Locking shift 1) */
+ case '\017': /* SI (LS0 -- Locking shift 0) */
+ term.charset = 1 - (ascii - '\016');
return;
case '\032': /* SUB */
tsetchar(question, &term.c.attr, term.c.x, term.c.y);
return;
}
-void
-tdectest(char c) {
- static char E[UTF_SIZ] = "E";
- int x, y;
-
- if(c == '8') { /* DEC screen alignment test. */
- for(x = 0; x < term.col; ++x) {
- for(y = 0; y < term.row; ++y)
- tsetchar(E, &term.c.attr, x, y);
+/*
+ * returns 1 when the sequence is finished and it hasn't to read
+ * more characters for this sequence, otherwise 0
+ */
+int
+eschandle(uchar ascii) {
+ switch(ascii) {
+ case '[':
+ term.esc |= ESC_CSI;
+ return 0;
+ case '#':
+ term.esc |= ESC_TEST;
+ return 0;
+ case 'P': /* DCS -- Device Control String */
+ case '_': /* APC -- Application Program Command */
+ case '^': /* PM -- Privacy Message */
+ case ']': /* OSC -- Operating System Command */
+ case 'k': /* old title set compatibility */
+ tstrsequence(ascii);
+ return 0;
+ case 'n': /* LS2 -- Locking shift 2 */
+ case 'o': /* LS3 -- Locking shift 3 */
+ term.charset = 2 + (ascii - 'n');
+ break;
+ case '(': /* GZD4 -- set primary charset G0 */
+ case ')': /* G1D4 -- set secondary charset G1 */
+ case '*': /* G2D4 -- set tertiary charset G2 */
+ case '+': /* G3D4 -- set quaternary charset G3 */
+ term.icharset = ascii - '(';
+ term.esc |= ESC_ALTCHARSET;
+ return 0;
+ case 'D': /* IND -- Linefeed */
+ if(term.c.y == term.bot) {
+ tscrollup(term.top, 1, true);
+ } else {
+ tmoveto(term.c.x, term.c.y+1);
}
+ break;
+ case 'E': /* NEL -- Next line */
+ tnewline(1); /* always go to first col */
+ break;
+ case 'H': /* HTS -- Horizontal tab stop */
+ term.tabs[term.c.x] = 1;
+ break;
+ case 'M': /* RI -- Reverse index */
+ if(term.c.y == term.top) {
+ tscrolldown(term.top, 1, true);
+ } else {
+ tmoveto(term.c.x, term.c.y-1);
+ }
+ break;
+ case 'Z': /* DECID -- Identify Terminal */
+ ttywrite(vtiden, sizeof(vtiden) - 1);
+ break;
+ case 'c': /* RIS -- Reset to inital state */
+ treset();
+ xresettitle();
+ xloadcols();
+ break;
+ case '=': /* DECPAM -- Application keypad */
+ term.mode |= MODE_APPKEYPAD;
+ break;
+ case '>': /* DECPNM -- Normal keypad */
+ term.mode &= ~MODE_APPKEYPAD;
+ break;
+ case '7': /* DECSC -- Save Cursor */
+ tcursor(CURSOR_SAVE);
+ break;
+ case '8': /* DECRC -- Restore Cursor */
+ tcursor(CURSOR_LOAD);
+ break;
+ case '\\': /* ST -- String Terminator */
+ if(term.esc & ESC_STR_END)
+ strhandle();
+ break;
+ default:
+ fprintf(stderr, "erresc: unknown sequence ESC 0x%02X '%c'\n",
+ (uchar) ascii, isprint(ascii)? ascii:'.');
+ break;
}
+ return 1;
}
void
unicodep = ascii = *c;
} else {
utf8decode(c, &unicodep, UTF_SIZ);
- width = wcwidth(unicodep);
+ if ((width = wcwidth(unicodep)) == -1) {
+ c = "\357\277\275"; /* UTF_INVALID */
+ width = 1;
+ }
control = ISCONTROLC1(unicodep);
ascii = unicodep;
}
} else if(term.esc & ESC_TEST) {
tdectest(ascii);
} else {
- switch(ascii) {
- case '[':
- term.esc |= ESC_CSI;
- return;
- case '#':
- term.esc |= ESC_TEST;
- return;
- case 'P': /* DCS -- Device Control String */
- case '_': /* APC -- Application Program Command */
- case '^': /* PM -- Privacy Message */
- case ']': /* OSC -- Operating System Command */
- case 'k': /* old title set compatibility */
- tstrsequence(ascii);
- return;
- case '(': /* set primary charset G0 */
- case ')': /* set secondary charset G1 */
- case '*': /* set tertiary charset G2 */
- case '+': /* set quaternary charset G3 */
- term.icharset = ascii - '(';
- term.esc |= ESC_ALTCHARSET;
+ if (!eschandle(ascii))
return;
- case 'D': /* IND -- Linefeed */
- if(term.c.y == term.bot) {
- tscrollup(term.top, 1);
- } else {
- tmoveto(term.c.x, term.c.y+1);
- }
- break;
- case 'E': /* NEL -- Next line */
- tnewline(1); /* always go to first col */
- break;
- case 'H': /* HTS -- Horizontal tab stop */
- term.tabs[term.c.x] = 1;
- break;
- case 'M': /* RI -- Reverse index */
- if(term.c.y == term.top) {
- tscrolldown(term.top, 1);
- } else {
- tmoveto(term.c.x, term.c.y-1);
- }
- break;
- case 'Z': /* DECID -- Identify Terminal */
- ttywrite(vtiden, sizeof(vtiden) - 1);
- break;
- case 'c': /* RIS -- Reset to inital state */
- treset();
- xresettitle();
- xloadcols();
- break;
- case '=': /* DECPAM -- Application keypad */
- term.mode |= MODE_APPKEYPAD;
- break;
- case '>': /* DECPNM -- Normal keypad */
- term.mode &= ~MODE_APPKEYPAD;
- break;
- case '7': /* DECSC -- Save Cursor */
- tcursor(CURSOR_SAVE);
- break;
- case '8': /* DECRC -- Restore Cursor */
- tcursor(CURSOR_LOAD);
- break;
- case '\\': /* ST -- String Terminator */
- if(term.esc & ESC_STR_END)
- strhandle();
- break;
- default:
- fprintf(stderr, "erresc: unknown sequence ESC 0x%02X '%c'\n",
- (uchar) ascii, isprint(ascii)? ascii:'.');
- break;
- }
+ /* sequence already finished */
}
term.esc = 0;
/*
if(IS_SET(MODE_WRAP) && (term.c.state & CURSOR_WRAPNEXT)) {
gp->mode |= ATTR_WRAP;
tnewline(1);
+ gp = &term.line[term.c.y][term.c.x];
}
- if(IS_SET(MODE_INSERT) && term.c.x+1 < term.col)
- memmove(gp+1, gp, (term.col - term.c.x - 1) * sizeof(Glyph));
+ if(IS_SET(MODE_INSERT) && term.c.x+width < term.col)
+ memmove(gp+width, gp, (term.col - term.c.x - width) * sizeof(Glyph));
- if(term.c.x+width > term.col)
+ if(term.c.x+width > term.col) {
tnewline(1);
+ gp = &term.line[term.c.y][term.c.x];
+ }
tsetchar(c, &term.c.attr, term.c.x, term.c.y);
void
tresize(int col, int row) {
- int i;
+ int i, j;
int minrow = MIN(row, term.row);
int mincol = MIN(col, term.col);
int slide = term.c.y - row + 1;
/* resize to new height */
term.line = xrealloc(term.line, row * sizeof(Line));
term.alt = xrealloc(term.alt, row * sizeof(Line));
+ term.hist = xrealloc(term.hist, histsize * sizeof(Line));
term.dirty = xrealloc(term.dirty, row * sizeof(*term.dirty));
term.tabs = xrealloc(term.tabs, col * sizeof(*term.tabs));
+ for(i = 0; i < histsize; i++) {
+ term.hist[i] = xrealloc(term.hist[i], col * sizeof(Glyph));
+ for(j = mincol; j < col; j++) {
+ term.hist[i][j] = term.c.attr;
+ memcpy(term.hist[i][j].c, " ", 2);
+ }
+ }
+
/* resize each row to new width, zero-pad if needed */
for(i = 0; i < minrow; i++) {
term.line[i] = xrealloc(term.line[i], col * sizeof(Glyph));
if(!pattern)
die("st: can't open font %s\n", fontstr);
- if(fontsize > 0) {
+ if(fontsize > 1) {
FcPatternDel(pattern, FC_PIXEL_SIZE);
FcPatternDel(pattern, FC_SIZE);
FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)fontsize);
FcPatternAddDouble(pattern, FC_PIXEL_SIZE, 12);
usedfontsize = 12;
}
+ defaultfontsize = usedfontsize;
}
FcConfigSubstitute(0, pattern, FcMatchPattern);
FcPatternGetDouble(dc.font.match->pattern,
FC_PIXEL_SIZE, 0, &fontval);
usedfontsize = fontval;
+ if(fontsize == 0)
+ defaultfontsize = fontval;
}
/* Setting character width and height. */
void
xzoom(const Arg *arg) {
+ Arg larg;
+
+ larg.i = usedfontsize + arg->i;
+ xzoomabs(&larg);
+}
+
+void
+xzoomabs(const Arg *arg) {
xunloadfonts();
- xloadfonts(usedfont, usedfontsize + arg->i);
+ xloadfonts(usedfont, arg->i);
cresize(0, 0);
- redraw(0);
+ redraw();
xhints();
}
void
+xzoomreset(const Arg *arg) {
+ Arg larg;
+
+ if(defaultfontsize > 0) {
+ larg.i = defaultfontsize;
+ xzoomabs(&larg);
+ }
+}
+
+void
xinit(void) {
XGCValues gcvalues;
Cursor cursor;
| ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
xw.attrs.colormap = xw.cmap;
- parent = opt_embed ? strtol(opt_embed, NULL, 0) : \
- XRootWindow(xw.dpy, xw.scr);
+ if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0))))
+ parent = XRootWindow(xw.dpy, xw.scr);
xw.win = XCreateWindow(xw.dpy, parent, xw.l, xw.t,
xw.w, xw.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity
xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
int winx = borderpx + x * xw.cw, winy = borderpx + y * xw.ch,
width = charlen * xw.cw, xp, i;
- int frcflags;
+ int frcflags, charexists;
int u8fl, u8fblen, u8cblen, doesexist;
char *u8c, *u8fs;
long unicodep;
/* Search the font cache. */
for(i = 0; i < frclen; i++) {
- if(XftCharExists(xw.dpy, frc[i].font, unicodep)
- && frc[i].flags == frcflags) {
+ charexists = XftCharExists(xw.dpy, frc[i].font, unicodep);
+ /* Everything correct. */
+ if(charexists && frc[i].flags == frcflags)
+ break;
+ /* We got a default font for a not found glyph. */
+ if(!charexists && frc[i].flags == frcflags \
+ && frc[i].unicodep == unicodep) {
break;
}
}
FcMatchPattern);
FcDefaultSubstitute(fcpattern);
- fontpattern = FcFontSetMatch(0, fcsets,
- FcTrue, fcpattern, &fcres);
+ fontpattern = FcFontSetMatch(0, fcsets, 1,
+ 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].unicodep = 0;
}
frc[frclen].font = XftFontOpenPattern(xw.dpy,
fontpattern);
frc[frclen].flags = frcflags;
+ frc[frclen].unicodep = unicodep;
i = frclen;
frclen++;
xdraws(term.line[oldy][oldx].c, term.line[oldy][oldx], oldx,
oldy, width, sl);
+ if(IS_SET(MODE_HIDE))
+ return;
+
/* draw the new one */
- if(!(IS_SET(MODE_HIDE))) {
- if(xw.state & WIN_FOCUSED) {
- if(IS_SET(MODE_REVERSE)) {
- g.mode |= ATTR_REVERSE;
- g.fg = defaultcs;
- g.bg = defaultfg;
- }
+ if(xw.state & WIN_FOCUSED) {
+ switch (xw.cursor) {
+ case 0: /* Blinking Block */
+ case 1: /* Blinking Block (Default) */
+ case 2: /* Steady Block */
+ if(IS_SET(MODE_REVERSE)) {
+ g.mode |= ATTR_REVERSE;
+ g.fg = defaultcs;
+ g.bg = defaultfg;
+ }
- sl = utf8len(g.c);
- width = (term.line[term.c.y][curx].mode & ATTR_WIDE)\
- ? 2 : 1;
- xdraws(g.c, g, term.c.x, term.c.y, width, sl);
- } else {
- XftDrawRect(xw.draw, &dc.col[defaultcs],
- borderpx + curx * xw.cw,
- borderpx + term.c.y * xw.ch,
- xw.cw - 1, 1);
- XftDrawRect(xw.draw, &dc.col[defaultcs],
- borderpx + curx * xw.cw,
- borderpx + term.c.y * xw.ch,
- 1, xw.ch - 1);
- XftDrawRect(xw.draw, &dc.col[defaultcs],
- borderpx + (curx + 1) * xw.cw - 1,
- borderpx + term.c.y * xw.ch,
- 1, xw.ch - 1);
- XftDrawRect(xw.draw, &dc.col[defaultcs],
- borderpx + curx * xw.cw,
- borderpx + (term.c.y + 1) * xw.ch - 1,
- xw.cw, 1);
+ sl = utf8len(g.c);
+ width = (term.line[term.c.y][curx].mode & ATTR_WIDE)\
+ ? 2 : 1;
+ xdraws(g.c, g, term.c.x, term.c.y, width, sl);
+ break;
+ case 3: /* Blinking Underline */
+ case 4: /* Steady Underline */
+ XftDrawRect(xw.draw, &dc.col[defaultcs],
+ borderpx + curx * xw.cw,
+ borderpx + (term.c.y + 1) * xw.ch - 1,
+ xw.cw, 1);
+ break;
+ case 5: /* Blinking bar */
+ case 6: /* Steady bar */
+ XftDrawRect(xw.draw, &dc.col[defaultcs],
+ borderpx + curx * xw.cw,
+ borderpx + term.c.y * xw.ch,
+ 1, xw.ch);
+ break;
}
- oldx = curx, oldy = term.c.y;
+ } else {
+ XftDrawRect(xw.draw, &dc.col[defaultcs],
+ borderpx + curx * xw.cw,
+ borderpx + term.c.y * xw.ch,
+ xw.cw - 1, 1);
+ XftDrawRect(xw.draw, &dc.col[defaultcs],
+ borderpx + curx * xw.cw,
+ borderpx + term.c.y * xw.ch,
+ 1, xw.ch - 1);
+ XftDrawRect(xw.draw, &dc.col[defaultcs],
+ borderpx + (curx + 1) * xw.cw - 1,
+ borderpx + term.c.y * xw.ch,
+ 1, xw.ch - 1);
+ XftDrawRect(xw.draw, &dc.col[defaultcs],
+ borderpx + curx * xw.cw,
+ borderpx + (term.c.y + 1) * xw.ch - 1,
+ xw.cw, 1);
}
+ oldx = curx, oldy = term.c.y;
}
}
void
-redraw(int timeout) {
- struct timespec tv = {0, timeout * 1000};
-
+redraw(void) {
tfulldirt();
draw();
-
- if(timeout > 0) {
- nanosleep(&tv, NULL);
- XSync(xw.dpy, False); /* necessary for a good tput flash */
- }
}
void
xtermclear(0, y, term.col, y);
term.dirty[y] = 0;
- base = term.line[y][0];
+ base = TLINE(y)[0];
ic = ib = ox = 0;
for(x = x1; x < x2; x++) {
- new = term.line[y][x];
+ new = TLINE(y)[x];
if(new.mode == ATTR_WDUMMY)
continue;
if(ena_sel && selected(x, y))
if(ib > 0)
xdraws(buf, base, ox, y, ic, ib);
}
- xdrawcursor();
+ if(term.scr == 0)
+ xdrawcursor();
}
void
if(!e->count)
xw.state &= ~WIN_REDRAW;
}
- redraw(0);
+ redraw();
}
void
}
if(FD_ISSET(cmdfd, &rfd)) {
ttyread();
- if(blinktimeout) {
- blinkset = tattrset(ATTR_BLINK);
- if(!blinkset)
- MODBIT(term.mode, 0, MODE_BLINK);
- }
}
- if(FD_ISSET(xfd, &rfd))
+ if(FD_ISSET(xfd, &rfd)) {
xev = actionfps;
+ if(blinktimeout) {
+ lastblink = now;
+ MODBIT(term.mode, 1, MODE_BLINK);
+ blinkset = 1;
+ }
+ }
clock_gettime(CLOCK_MONOTONIC, &now);
drawtimeout.tv_sec = 0;
TIMEDIFF(now,
lastblink)));
}
+ drawtimeout.tv_sec = \
+ drawtimeout.tv_nsec / 1E9;
+ drawtimeout.tv_nsec %= (long)1E9;
} else {
tv = NULL;
}
void
usage(void) {
- die("%s " VERSION " (c) 2010-2014 st engineers\n" \
+ die("%s " VERSION " (c) 2010-2015 st engineers\n" \
"usage: st [-a] [-v] [-c class] [-f font] [-g geometry] [-o file]\n"
" [-i] [-t title] [-w windowid] [-e command ...]\n", argv0);
}
xw.l = xw.t = 0;
xw.isfixed = False;
+ xw.cursor = 0;
ARGBEGIN {
case 'a':
Got questions, comments, patches, etc.? Contact Jason Woofenden