X-Git-Url: https://git.xinqibao.xyz/st.git/blobdiff_plain/eae31a532e1c3249abe3fe0dbce286cac263832f..a8d5870073af14aa08032ab8520c5fe17bb8a1e8:/st.c?ds=sidebyside
diff --git a/st.c b/st.c
index 3321c31..c59bf1d 100644
--- a/st.c
+++ b/st.c
@@ -11,6 +11,7 @@
#include <stdlib.h>
#include <string.h>
#include <signal.h>
+#include <stdint.h>
#include <sys/ioctl.h>
#include <sys/select.h>
#include <sys/stat.h>
@@ -132,10 +133,21 @@ enum term_mode {
MODE_FOCUS = 65536,
MODE_MOUSEX10 = 131072,
MODE_MOUSEMANY = 262144,
+ MODE_BRCKTPASTE = 524288,
MODE_MOUSE = MODE_MOUSEBTN|MODE_MOUSEMOTION|MODE_MOUSEX10\
|MODE_MOUSEMANY,
};
+enum charset {
+ CS_GRAPHIC0,
+ CS_GRAPHIC1,
+ CS_UK,
+ CS_USA,
+ CS_MULTI,
+ CS_GER,
+ CS_FIN
+};
+
enum escape_state {
ESC_START = 1,
ESC_CSI = 2,
@@ -169,8 +181,8 @@ typedef unsigned short ushort;
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;
@@ -215,6 +227,9 @@ typedef struct {
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;
@@ -225,7 +240,7 @@ typedef struct {
Colourmap cmap;
Window win;
Drawable buf;
- Atom xembed, wmdeletewin;
+ Atom xembed, wmdeletewin, netwmname, netwmpid;
XIM xim;
XIC xic;
Draw draw;
@@ -242,15 +257,15 @@ typedef struct {
} 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 */
@@ -365,11 +380,14 @@ static void tsetdirtattr(int);
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);
@@ -380,7 +398,7 @@ static void xinit(void);
static void xloadcols(void);
static int xsetcolorname(int, const char *);
static int xloadfont(Font *, FcPattern *);
-static void xloadfonts(char *, int);
+static void xloadfonts(char *, double);
static int xloadfontset(Font *);
static void xsettitle(char *);
static void xresettitle(void);
@@ -460,7 +478,7 @@ static char *opt_font = NULL;
static int oldbutton = 3; /* button event on startup: 3 = release */
static char *usedfont = NULL;
-static int usedfontsize = 0;
+static double usedfontsize = 0;
/* Font Ring Cache */
enum {
@@ -877,9 +895,7 @@ bpress(XEvent *e) {
for(mk = mshortcuts; mk < mshortcuts + LEN(mshortcuts); mk++) {
if(e->xbutton.button == mk->b
&& match(mk->mask, e->xbutton.state)) {
- ttywrite(mk->s, strlen(mk->s));
- if(IS_SET(MODE_ECHO))
- techo(mk->s, strlen(mk->s));
+ ttysend(mk->s, strlen(mk->s));
return;
}
}
@@ -961,7 +977,7 @@ selcopy(void) {
* st.
* FIXME: Fix the computer world.
*/
- if(y < sel.ne.y && !((gp-1)->mode & ATTR_WRAP))
+ if(y < sel.ne.y && x > 0 && !((gp-1)->mode & ATTR_WRAP))
*ptr++ = '\n';
/*
@@ -1013,7 +1029,11 @@ selnotify(XEvent *e) {
*repl++ = '\r';
}
- ttywrite((const char *)data, nitems * format / 8);
+ if(IS_SET(MODE_BRCKTPASTE))
+ ttywrite("\033[200~", 6);
+ ttysend((char *)data, nitems * format / 8);
+ if(IS_SET(MODE_BRCKTPASTE))
+ ttywrite("\033[201~", 6);
XFree(data);
/* number of 32-bit chunks returned */
ofs += nitems * format / 32;
@@ -1279,6 +1299,13 @@ ttywrite(const char *s, size_t n) {
die("write error on tty: %s\n", SERRNO);
}
+void
+ttysend(char *s, size_t n) {
+ ttywrite(s, n);
+ if(IS_SET(MODE_ECHO))
+ techo(s, n);
+}
+
void
ttyresize(void) {
struct winsize w;
@@ -1337,13 +1364,14 @@ tfulldirt(void) {
void
tcursor(int mode) {
- static TCursor c;
+ static TCursor c[2];
+ bool alt = IS_SET(MODE_ALTSCREEN);
if(mode == CURSOR_SAVE) {
- c = term.c;
+ c[alt] = term.c;
} else if(mode == CURSOR_LOAD) {
- term.c = c;
- tmoveto(c.x, c.y);
+ term.c = c[alt];
+ tmoveto(c[alt].x, c[alt].y);
}
}
@@ -1363,6 +1391,8 @@ treset(void) {
term.top = 0;
term.bot = term.row - 1;
term.mode = MODE_WRAP;
+ memset(term.trantbl, sizeof(term.trantbl), CS_USA);
+ term.charset = 0;
tclearregion(0, 0, term.col-1, term.row-1);
tmoveto(0, 0);
@@ -1637,9 +1667,9 @@ tdeleteline(int n) {
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]) {
@@ -1688,7 +1718,7 @@ tdefcolor(int *attr, int *npar, int l) {
void
tsetattr(int *attr, int l) {
int i;
- long idx;
+ int32_t idx;
for(i = 0; i < l; i++) {
switch(attr[i]) {
@@ -1849,12 +1879,12 @@ tsetmode(bool priv, bool set, int *args, int narg) {
case 1034:
MODBIT(term.mode, set, MODE_8BIT);
break;
- case 1049: /* = 1047 and 1048 */
- case 47:
+ case 1049: /* swap screen & set/restore cursor as xterm */
+ 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,
@@ -1868,6 +1898,9 @@ tsetmode(bool priv, bool set, int *args, int narg) {
case 1048:
tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
break;
+ case 2004: /* 2004: bracketed paste mode */
+ MODBIT(term.mode, set, MODE_BRCKTPASTE);
+ break;
/* Not implemented mouse modes. See comments there. */
case 1001: /* mouse highlight mode; can hang the
terminal by design when implemented. */
@@ -1911,6 +1944,9 @@ tsetmode(bool priv, bool set, int *args, int narg) {
void
csihandle(void) {
+ char buf[40];
+ int len;
+
switch(csiescseq.mode) {
default:
unknown:
@@ -2059,6 +2095,13 @@ csihandle(void) {
case 'm': /* SGR -- Terminal attribute (color) */
tsetattr(csiescseq.arg, csiescseq.narg);
break;
+ case 'n': /* DSR â 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;
@@ -2109,20 +2152,21 @@ csireset(void) {
void
strhandle(void) {
char *p = NULL;
- int i, j, narg;
+ int j, narg, par;
strparse();
narg = strescseq.narg;
+ par = atoi(strescseq.args[0]);
switch(strescseq.type) {
case ']': /* OSC -- Operating System Command */
- switch(i = atoi(strescseq.args[0])) {
+ switch(par) {
case 0:
case 1:
case 2:
if(narg > 1)
xsettitle(strescseq.args[1]);
- break;
+ return;
case 4: /* color set */
if(narg < 3)
break;
@@ -2139,25 +2183,20 @@ strhandle(void) {
*/
redraw(0);
}
- break;
- default:
- fprintf(stderr, "erresc: unknown str ");
- strdump();
- break;
+ return;
}
break;
case 'k': /* old title set compatibility */
xsettitle(strescseq.args[0]);
- break;
+ return;
case 'P': /* DSC -- Device Control String */
case '_': /* APC -- Application Program Command */
case '^': /* PM -- Privacy Message */
- default:
- fprintf(stderr, "erresc: unknown str ");
- strdump();
- /* die(""); */
- break;
+ return;
}
+
+ fprintf(stderr, "erresc: unknown str ");
+ strdump();
}
void
@@ -2240,6 +2279,33 @@ techo(char *buf, int len) {
tputc(buf, len);
}
+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;
@@ -2332,13 +2398,12 @@ tputc(char *c, int len) {
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 */
@@ -2366,22 +2431,8 @@ tputc(char *c, int len) {
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. */
@@ -2412,13 +2463,12 @@ tputc(char *c, int len) {
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);
@@ -2772,9 +2822,9 @@ xloadfont(Font *f, FcPattern *pattern) {
}
void
-xloadfonts(char *fontstr, int fontsize) {
+xloadfonts(char *fontstr, double fontsize) {
FcPattern *pattern;
- FcResult result;
+ FcResult r_sz, r_psz;
double fontval;
if(fontstr[0] == '-') {
@@ -2788,12 +2838,16 @@ xloadfonts(char *fontstr, int fontsize) {
if(fontsize > 0) {
FcPatternDel(pattern, FC_PIXEL_SIZE);
+ FcPatternDel(pattern, FC_SIZE);
FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)fontsize);
usedfontsize = fontsize;
} else {
- result = FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval);
- if(result == FcResultMatch) {
- usedfontsize = (int)fontval;
+ r_psz = FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval);
+ r_sz = FcPatternGetDouble(pattern, FC_SIZE, 0, &fontval);
+ if(r_psz == FcResultMatch) {
+ usedfontsize = fontval;
+ } else if(r_sz == FcResultMatch) {
+ usedfontsize = -1;
} else {
/*
* Default font size is 12, if none given. This is to
@@ -2810,6 +2864,12 @@ xloadfonts(char *fontstr, int fontsize) {
if(xloadfont(&dc.font, pattern))
die("st: can't open font %s\n", fontstr);
+ if(usedfontsize < 0) {
+ FcPatternGetDouble(dc.font.match->pattern,
+ FC_PIXEL_SIZE, 0, &fontval);
+ usedfontsize = fontval;
+ }
+
/* Setting character width and height. */
xw.cw = CEIL(dc.font.width * cwscale);
xw.ch = CEIL(dc.font.height * chscale);
@@ -2879,6 +2939,7 @@ xinit(void) {
Cursor cursor;
Window parent;
int sw, sh;
+ pid_t thispid = getpid();
if(!(xw.dpy = XOpenDisplay(NULL)))
die("Can't open display\n");
@@ -2970,8 +3031,13 @@ xinit(void) {
xw.xembed = XInternAtom(xw.dpy, "_XEMBED", False);
xw.wmdeletewin = XInternAtom(xw.dpy, "WM_DELETE_WINDOW", False);
+ xw.netwmname = XInternAtom(xw.dpy, "_NET_WM_NAME", False);
XSetWMProtocols(xw.dpy, xw.win, &xw.wmdeletewin, 1);
+ xw.netwmpid = XInternAtom(xw.dpy, "_NET_WM_PID", False);
+ XChangeProperty(xw.dpy, xw.win, xw.netwmpid, XA_CARDINAL, 32,
+ PropModeReplace, (unsigned char *)&thispid, 1);
+
xresettitle();
XMapWindow(xw.dpy, xw.win);
xhints();
@@ -3013,6 +3079,7 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
base.fg = defaultunderline;
}
if(IS_TRUECOL(base.fg)) {
+ colfg.alpha = 0xffff;
colfg.red = TRUERED(base.fg);
colfg.green = TRUEGREEN(base.fg);
colfg.blue = TRUEBLUE(base.fg);
@@ -3023,6 +3090,7 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
}
if(IS_TRUECOL(base.bg)) {
+ colbg.alpha = 0xffff;
colbg.green = TRUEGREEN(base.bg);
colbg.red = TRUERED(base.bg);
colbg.blue = TRUEBLUE(base.bg);
@@ -3229,6 +3297,8 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
XftDrawRect(xw.draw, fg, winx, winy + font->ascent + 1,
width, 1);
}
+ XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, winx, winy, width,
+ CEIL((font->ascent + font->descent) * chscale), winx, winy);
/* Reset clip to none. */
XftDrawSetClip(xw.draw, 0);
@@ -3302,6 +3372,7 @@ xsettitle(char *p) {
Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
&prop);
XSetWMName(xw.dpy, xw.win, &prop);
+ XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmname);
XFree(prop.value);
}
@@ -3326,8 +3397,6 @@ redraw(int timeout) {
void
draw(void) {
drawregion(0, 0, term.col, term.row);
- XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, 0, 0, xw.w,
- xw.h, 0, 0);
XSetForeground(xw.dpy, dc.gc,
dc.col[IS_SET(MODE_REVERSE)?
defaultfg : defaultbg].pixel);
@@ -3448,15 +3517,7 @@ focus(XEvent *ev) {
static inline bool
match(uint mask, uint state) {
- state &= ~ignoremod;
-
- if(mask == XK_NO_MOD && state)
- return false;
- if(mask != XK_ANY_MOD && mask != XK_NO_MOD && !state)
- return false;
- if(mask == XK_ANY_MOD)
- return true;
- return state == mask;
+ return mask == XK_ANY_MOD || mask == (state & ~ignoremod);
}
void
@@ -3486,25 +3547,16 @@ kmap(KeySym k, uint state) {
if(!match(kp->mask, state))
continue;
- if(kp->appkey > 0) {
- if(!IS_SET(MODE_APPKEYPAD))
- continue;
- if(term.numlock && kp->appkey == 2)
- continue;
- } else if(kp->appkey < 0 && IS_SET(MODE_APPKEYPAD)) {
+ if(IS_SET(MODE_APPKEYPAD) ? kp->appkey < 0 : kp->appkey > 0)
+ continue;
+ if(term.numlock && kp->appkey == 2)
continue;
- }
- if((kp->appcursor < 0 && IS_SET(MODE_APPCURSOR)) ||
- (kp->appcursor > 0
- && !IS_SET(MODE_APPCURSOR))) {
+ if(IS_SET(MODE_APPCURSOR) ? kp->appcursor < 0 : kp->appcursor > 0)
continue;
- }
- if((kp->crlf < 0 && IS_SET(MODE_CRLF)) ||
- (kp->crlf > 0 && !IS_SET(MODE_CRLF))) {
+ if(IS_SET(MODE_CRLF) ? kp->crlf < 0 : kp->crlf > 0)
continue;
- }
return kp->s;
}
@@ -3516,8 +3568,8 @@ void
kpress(XEvent *ev) {
XKeyEvent *e = &ev->xkey;
KeySym ksym;
- char xstr[31], buf[32], *customkey, *cp = buf;
- int len, ret;
+ char buf[32], *customkey;
+ int len;
long c;
Status status;
Shortcut *bp;
@@ -3525,8 +3577,7 @@ kpress(XEvent *ev) {
if(IS_SET(MODE_KBDLOCK))
return;
- len = XmbLookupString(xw.xic, e, xstr, sizeof(xstr), &ksym, &status);
- e->state &= ~Mod2Mask;
+ len = XmbLookupString(xw.xic, e, buf, sizeof buf, &ksym, &status);
/* 1. shortcuts */
for(bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) {
if(ksym == bp->keysym && match(bp->mod, e->state)) {
@@ -3537,33 +3588,26 @@ kpress(XEvent *ev) {
/* 2. custom keys from config.h */
if((customkey = kmap(ksym, e->state))) {
- len = strlen(customkey);
- memcpy(buf, customkey, len);
- /* 3. hardcoded (overrides X lookup) */
- } else {
- if(len == 0)
- return;
+ ttysend(customkey, strlen(customkey));
+ return;
+ }
- if(len == 1 && e->state & Mod1Mask) {
- if(IS_SET(MODE_8BIT)) {
- if(*xstr < 0177) {
- c = *xstr | 0x80;
- ret = utf8encode(&c, cp);
- cp += ret;
- len = 0;
- }
- } else {
- *cp++ = '\033';
+ /* 3. composed string from input method */
+ if(len == 0)
+ return;
+ if(len == 1 && e->state & Mod1Mask) {
+ if(IS_SET(MODE_8BIT)) {
+ if(*buf < 0177) {
+ c = *buf | 0x80;
+ len = utf8encode(&c, buf);
}
+ } 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);
}
@@ -3631,16 +3675,18 @@ run(void) {
}
}
+ ttynew();
if(!xw.isfixed)
cresize(w, h);
else
cresize(xw.fw, xw.fh);
- ttynew();
gettimeofday(&lastblink, NULL);
gettimeofday(&last, NULL);
for(xev = actionfps;;) {
+ long deltatime;
+
FD_ZERO(&rfd);
FD_SET(cmdfd, &rfd);
FD_SET(xfd, &rfd);
@@ -3674,8 +3720,9 @@ run(void) {
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;
}