|MODE_MOUSEMANY,
};
+enum charset {
+ CS_GRAPHIC0,
+ CS_GRAPHIC1,
+ CS_UK,
+ CS_USA,
+ CS_MULTI,
+ CS_GER,
+ CS_FIN
+};
+
enum escape_state {
ESC_START = 1,
ESC_CSI = 2,
typedef struct {
char c[UTF_SIZ]; /* character code */
ushort mode; /* attribute flags */
- ulong fg; /* foreground */
- ulong bg; /* background */
+ uint32_t fg; /* foreground */
+ uint32_t bg; /* background */
} Glyph;
typedef Glyph *Line;
int bot; /* bottom scroll limit */
int mode; /* terminal mode flags */
int esc; /* escape state flags */
+ char trantbl[4]; /* charset table translation */
+ int charset; /* current charset */
+ int icharset; /* selected charset for sequence */
bool numlock; /* lock numbers in keyboard */
bool *tabs;
} Term;
Colourmap cmap;
Window win;
Drawable buf;
- Atom xembed, wmdeletewin;
+ Atom xembed, wmdeletewin, netwmname;
XIM xim;
XIC xic;
Draw draw;
} XWindow;
typedef struct {
- int b;
+ uint b;
uint mask;
- char s[ESC_BUF_SIZ];
+ char *s;
} Mousekey;
typedef struct {
KeySym k;
uint mask;
- char s[ESC_BUF_SIZ];
+ char *s;
/* three valued logic variables: 0 indifferent, 1 on, -1 off */
signed char appkey; /* application keypad */
signed char appcursor; /* application cursor */
static void tsetmode(bool, bool, int *, int);
static void tfulldirt(void);
static void techo(char *, int);
-static long tdefcolor(int *, int *, int);
+static int32_t tdefcolor(int *, int *, int);
+static void tselcs(void);
+static void tdeftran(char);
static inline bool match(uint, uint);
static void ttynew(void);
static void ttyread(void);
static void ttyresize(void);
+static void ttysend(char *, size_t);
static void ttywrite(const char *, size_t);
static void xdraws(char *, Glyph, int, int, int, int);
for(mk = mshortcuts; mk < mshortcuts + LEN(mshortcuts); mk++) {
if(e->xbutton.button == mk->b
&& match(mk->mask, e->xbutton.state)) {
- ttywrite(mk->s, strlen(mk->s));
- if(IS_SET(MODE_ECHO))
- techo(mk->s, strlen(mk->s));
+ ttysend(mk->s, strlen(mk->s));
return;
}
}
if(IS_SET(MODE_BRCKTPASTE))
ttywrite("\033[200~", 6);
- ttywrite((const char *)data, nitems * format / 8);
+ ttysend((char *)data, nitems * format / 8);
if(IS_SET(MODE_BRCKTPASTE))
ttywrite("\033[201~", 6);
XFree(data);
}
void
+ttysend(char *s, size_t n) {
+ ttywrite(s, n);
+ if(IS_SET(MODE_ECHO))
+ techo(s, n);
+}
+
+void
ttyresize(void) {
struct winsize w;
void
tcursor(int mode) {
- static TCursor c;
+ static TCursor c[2];
+ bool alt = IS_SET(MODE_ALTSCREEN);
if(mode == CURSOR_SAVE) {
- c = term.c;
+ c[alt] = term.c;
} else if(mode == CURSOR_LOAD) {
- term.c = c;
- tmoveto(c.x, c.y);
+ term.c = c[alt];
+ tmoveto(c[alt].x, c[alt].y);
}
}
term.top = 0;
term.bot = term.row - 1;
term.mode = MODE_WRAP;
+ memset(term.trantbl, sizeof(term.trantbl), CS_USA);
+ term.charset = 0;
tclearregion(0, 0, term.col-1, term.row-1);
tmoveto(0, 0);
tscrollup(term.c.y, n);
}
-long
+int32_t
tdefcolor(int *attr, int *npar, int l) {
- long idx = -1;
+ int32_t idx = -1;
uint r, g, b;
switch (attr[*npar + 1]) {
void
tsetattr(int *attr, int l) {
int i;
- long idx;
+ int32_t idx;
for(i = 0; i < l; i++) {
switch(attr[i]) {
case 1034:
MODBIT(term.mode, set, MODE_8BIT);
break;
- case 1049: /* = 1047 and 1048 */
- case 47:
+ case 1049: /* swap screen & set/restore cursor as xterm */
+ tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
+ case 47: /* swap screen */
case 1047:
if (!allowaltscreen)
break;
-
alt = IS_SET(MODE_ALTSCREEN);
if(alt) {
tclearregion(0, 0, term.col-1,
void
csihandle(void) {
+ char buf[40];
+ int len;
+
switch(csiescseq.mode) {
default:
unknown:
case 'm': /* SGR -- Terminal attribute (color) */
tsetattr(csiescseq.arg, csiescseq.narg);
break;
+ case 'n': /* DSR – Device Status Report (cursor position) */
+ if (csiescseq.arg[0] == 6) {
+ len = snprintf(buf, sizeof(buf),"\033[%i;%iR",
+ term.c.y+1, term.c.x+1);
+ ttywrite(buf, len);
+ break;
+ }
case 'r': /* DECSTBM -- Set Scrolling Region */
if(csiescseq.priv) {
goto unknown;
}
void
+tdeftran(char ascii) {
+ char c, (*bp)[2];
+ static char tbl[][2] = {
+ {'0', CS_GRAPHIC0}, {'1', CS_GRAPHIC1}, {'A', CS_UK},
+ {'B', CS_USA}, {'<', CS_MULTI}, {'K', CS_GER},
+ {'5', CS_FIN}, {'C', CS_FIN},
+ {0, 0}
+ };
+
+ for (bp = &tbl[0]; (c = (*bp)[0]) && c != ascii; ++bp)
+ /* nothing */;
+
+ if (c == 0)
+ fprintf(stderr, "esc unhandled charset: ESC ( %c\n", ascii);
+ else
+ term.trantbl[term.icharset] = (*bp)[1];
+}
+
+void
+tselcs(void) {
+ if (term.trantbl[term.charset] == CS_GRAPHIC0)
+ term.c.attr.mode |= ATTR_GFX;
+ else
+ term.c.attr.mode &= ~ATTR_GFX;
+}
+
+void
tputc(char *c, int len) {
uchar ascii = *c;
bool control = ascii < '\x20' || ascii == 0177;
term.esc = ESC_START;
return;
case '\016': /* SO */
+ term.charset = 0;
+ tselcs();
+ return;
case '\017': /* SI */
- /*
- * Different charsets are hard to handle. Applications
- * should use the right alt charset escapes for the
- * only reason they still exist: line drawing. The
- * rest is incompatible history st should not support.
- */
+ term.charset = 1;
+ tselcs();
return;
case '\032': /* SUB */
case '\030': /* CAN */
if(ascii == '\\')
strhandle();
} else if(term.esc & ESC_ALTCHARSET) {
- switch(ascii) {
- case '0': /* Line drawing set */
- term.c.attr.mode |= ATTR_GFX;
- break;
- case 'B': /* USASCII */
- term.c.attr.mode &= ~ATTR_GFX;
- break;
- case 'A': /* UK (IGNORED) */
- case '<': /* multinational charset (IGNORED) */
- case '5': /* Finnish (IGNORED) */
- case 'C': /* Finnish (IGNORED) */
- case 'K': /* German (IGNORED) */
- break;
- default:
- fprintf(stderr, "esc unhandled charset: ESC ( %c\n", ascii);
- }
+ tdeftran(ascii);
+ tselcs();
term.esc = 0;
} else if(term.esc & ESC_TEST) {
if(ascii == '8') { /* DEC screen alignment test. */
term.esc |= ESC_STR;
break;
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;
break;
- case ')': /* set secondary charset G1 (IGNORED) */
- case '*': /* set tertiary charset G2 (IGNORED) */
- case '+': /* set quaternary charset G3 (IGNORED) */
- term.esc = 0;
- break;
case 'D': /* IND -- Linefeed */
if(term.c.y == term.bot) {
tscrollup(term.top, 1);
xw.xembed = XInternAtom(xw.dpy, "_XEMBED", False);
xw.wmdeletewin = XInternAtom(xw.dpy, "WM_DELETE_WINDOW", False);
+ xw.netwmname = XInternAtom(xw.dpy, "_NET_WM_NAME", False);
XSetWMProtocols(xw.dpy, xw.win, &xw.wmdeletewin, 1);
xresettitle();
Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
&prop);
XSetWMName(xw.dpy, xw.win, &prop);
+ XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmname);
XFree(prop.value);
}
static inline bool
match(uint mask, uint state) {
- state &= ~ignoremod;
-
- if(mask == XK_NO_MOD && state)
- return false;
- if(mask != XK_ANY_MOD && mask != XK_NO_MOD && !state)
- return false;
- if(mask == XK_ANY_MOD)
- return true;
- return state == mask;
+ return mask == XK_ANY_MOD || mask == (state & ~ignoremod);
}
void
if(!match(kp->mask, state))
continue;
- if(kp->appkey > 0) {
- if(!IS_SET(MODE_APPKEYPAD))
- continue;
- if(term.numlock && kp->appkey == 2)
- continue;
- } else if(kp->appkey < 0 && IS_SET(MODE_APPKEYPAD)) {
+ if(IS_SET(MODE_APPKEYPAD) ? kp->appkey < 0 : kp->appkey > 0)
+ continue;
+ if(term.numlock && kp->appkey == 2)
continue;
- }
- if((kp->appcursor < 0 && IS_SET(MODE_APPCURSOR)) ||
- (kp->appcursor > 0
- && !IS_SET(MODE_APPCURSOR))) {
+ if(IS_SET(MODE_APPCURSOR) ? kp->appcursor < 0 : kp->appcursor > 0)
continue;
- }
- if((kp->crlf < 0 && IS_SET(MODE_CRLF)) ||
- (kp->crlf > 0 && !IS_SET(MODE_CRLF))) {
+ if(IS_SET(MODE_CRLF) ? kp->crlf < 0 : kp->crlf > 0)
continue;
- }
return kp->s;
}
kpress(XEvent *ev) {
XKeyEvent *e = &ev->xkey;
KeySym ksym;
- char xstr[31], buf[32], *customkey, *cp = buf;
- int len, ret;
+ char buf[32], *customkey;
+ int len;
long c;
Status status;
Shortcut *bp;
if(IS_SET(MODE_KBDLOCK))
return;
- len = XmbLookupString(xw.xic, e, xstr, sizeof(xstr), &ksym, &status);
- e->state &= ~Mod2Mask;
+ len = XmbLookupString(xw.xic, e, buf, sizeof buf, &ksym, &status);
/* 1. shortcuts */
for(bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) {
if(ksym == bp->keysym && match(bp->mod, e->state)) {
/* 2. custom keys from config.h */
if((customkey = kmap(ksym, e->state))) {
- len = strlen(customkey);
- memcpy(buf, customkey, len);
- /* 3. hardcoded (overrides X lookup) */
- } else {
- if(len == 0)
- return;
+ ttysend(customkey, strlen(customkey));
+ return;
+ }
- if(len == 1 && e->state & Mod1Mask) {
- if(IS_SET(MODE_8BIT)) {
- if(*xstr < 0177) {
- c = *xstr | 0x80;
- ret = utf8encode(&c, cp);
- cp += ret;
- len = 0;
- }
- } else {
- *cp++ = '\033';
+ /* 3. composed string from input method */
+ if(len == 0)
+ return;
+ if(len == 1 && e->state & Mod1Mask) {
+ if(IS_SET(MODE_8BIT)) {
+ if(*buf < 0177) {
+ c = *buf | 0x80;
+ len = utf8encode(&c, buf);
}
+ } else {
+ buf[1] = buf[0];
+ buf[0] = '\033';
+ len = 2;
}
-
- memcpy(cp, xstr, len);
- len = cp - buf + len;
}
-
- ttywrite(buf, len);
- if(IS_SET(MODE_ECHO))
- techo(buf, len);
+ ttysend(buf, len);
}
gettimeofday(&last, NULL);
for(xev = actionfps;;) {
+ long deltatime;
+
FD_ZERO(&rfd);
FD_SET(cmdfd, &rfd);
FD_SET(xfd, &rfd);
gettimeofday(&lastblink, NULL);
dodraw = 1;
}
- if(TIMEDIFF(now, last) \
- > (xev? (1000/xfps) : (1000/actionfps))) {
+ deltatime = TIMEDIFF(now, last);
+ if(deltatime > (xev? (1000/xfps) : (1000/actionfps))
+ || deltatime < 0) {
dodraw = 1;
last = now;
}
Got questions, comments, patches, etc.? Contact Jason Woofenden