X-Git-Url: https://git.xinqibao.xyz/st.git/blobdiff_plain/f796533b1bab9aa8ea4e70b79d305c9aea47fe6a..b0bddc694a79dd24edb8f997acadecbff356a9e0:/st.c?ds=sidebyside
diff --git a/st.c b/st.c
index 69ec122..e27daf0 100644
--- a/st.c
+++ b/st.c
@@ -27,6 +27,7 @@
#include <X11/cursorfont.h>
#include <X11/keysym.h>
#include <X11/Xft/Xft.h>
+#include <X11/XKBlib.h>
#include <fontconfig/fontconfig.h>
#include <wchar.h>
@@ -62,15 +63,13 @@ char *argv0;
#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)
@@ -86,22 +85,19 @@ char *argv0;
#define TRUEBLUE(x) (((x) & 0xff) << 8)
-#define VT102ID "\033[?6c"
-
enum glyph_attribute {
- ATTR_NULL = 0,
- ATTR_BOLD = 1,
- ATTR_FAINT = 2,
- ATTR_ITALIC = 4,
- ATTR_UNDERLINE = 8,
- ATTR_BLINK = 16,
- ATTR_FASTBLINK = 32,
- ATTR_REVERSE = 64,
- ATTR_INVISIBLE = 128,
- ATTR_STRUCK = 256,
- ATTR_WRAP = 512,
- ATTR_WIDE = 1024,
- ATTR_WDUMMY = 2048,
+ ATTR_NULL = 0,
+ 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 {
@@ -116,27 +112,27 @@ enum cursor_state {
};
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,
};
@@ -320,6 +316,8 @@ static void clippaste(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 *);
@@ -349,7 +347,7 @@ typedef struct {
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);
@@ -359,6 +357,7 @@ static void csidump(void);
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);
@@ -383,7 +382,7 @@ static void tnewline(int);
static void tputtab(int);
static void tputc(char *, int);
static void treset(void);
-static int tresize(int, int);
+static void tresize(int, int);
static void tscrollup(int, int);
static void tscrolldown(int, int);
static void tsetattr(int *, int);
@@ -405,6 +404,7 @@ static void ttyread(void);
static void ttyresize(void);
static void ttysend(char *, size_t);
static void ttywrite(const char *, size_t);
+static void tstrsequence(uchar c);
static void xdraws(char *, Glyph, int, int, int, int);
static void xhints(void);
@@ -504,6 +504,7 @@ static int oldbutton = 3; /* button event on startup: 3 = release */
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};
@@ -521,6 +522,7 @@ enum {
typedef struct {
XftFont *font;
int flags;
+ long unicodep;
} Fontcache;
/* Fontcache is an array now. A new font will be appended to the array. */
@@ -663,7 +665,10 @@ y2row(int y) {
static int tlinelen(int y) {
int i = term.col;
- while (i > 0 && term.line[y][i - 1].c[0] == ' ')
+ if(term.line[y][i - 1].mode & ATTR_WRAP)
+ return i;
+
+ while(i > 0 && term.line[y][i - 1].c[0] == ' ')
--i;
return i;
@@ -683,6 +688,9 @@ selnormalize(void) {
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;
@@ -707,7 +715,8 @@ selected(int x, int y) {
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:
@@ -715,6 +724,8 @@ selsnap(int mode, int *x, int *y, int direction) {
* Snap around if the word wraps around at the end or
* beginning of a line.
*/
+ prevgp = &term.line[*y][*x];
+ prevdelim = strchr(worddelimiters, prevgp->c[0]) != NULL;
for(;;) {
newx = *x + direction;
newy = *y;
@@ -736,11 +747,15 @@ selsnap(int mode, int *x, int *y, int direction) {
break;
gp = &term.line[newy][newx];
- if (!(gp->mode & ATTR_WDUMMY) && strchr(worddelimiters, gp->c[0]))
+ 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:
@@ -778,15 +793,6 @@ getbuttoninfo(XEvent *e) {
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;
@@ -901,8 +907,6 @@ bpress(XEvent *e) {
} 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();
/*
@@ -942,6 +946,8 @@ getsel(void) {
lastx = (sel.ne.y == y) ? sel.ne.x : term.col-1;
}
last = &term.line[y][MIN(lastx, linelen-1)];
+ while(last >= gp && last->c[0] == ' ')
+ --last;
for( ; gp <= last; ++gp) {
if(gp->mode & ATTR_WDUMMY)
@@ -961,7 +967,7 @@ getsel(void) {
* 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;
@@ -1141,23 +1147,40 @@ die(const char *errstr, ...) {
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);
@@ -1167,25 +1190,21 @@ execsh(void) {
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
sigchld(int a) {
- int stat = 0;
+ int stat, ret;
if(waitpid(pid, &stat, 0) < 0)
die("Waiting for pid %hd failed: %s\n", pid, strerror(errno));
- if(WIFEXITED(stat)) {
- exit(WEXITSTATUS(stat));
- } else {
- exit(EXIT_FAILURE);
- }
+ ret = WIFEXITED(stat) ? WEXITSTATUS(stat) : EXIT_FAILURE;
+ if (ret != EXIT_SUCCESS)
+ die("child finished with error '%d'\n", stat);
+ exit(EXIT_SUCCESS);
}
void
@@ -1359,9 +1378,12 @@ treset(void) {
memset(term.trantbl, sizeof(term.trantbl), CS_USA);
term.charset = 0;
- tclearregion(0, 0, term.col-1, term.row-1);
- tmoveto(0, 0);
- tcursor(CURSOR_SAVE);
+ for(i = 0; i < 2; i++) {
+ tmoveto(0, 0);
+ tcursor(CURSOR_SAVE);
+ tclearregion(0, 0, term.col-1, term.row-1);
+ tswapscreen();
+ }
}
void
@@ -1554,6 +1576,7 @@ tsetchar(char *c, Glyph *attr, int x, int y) {
void
tclearregion(int x1, int y1, int x2, int y2) {
int x, y, temp;
+ Glyph *gp;
if(x1 > x2)
temp = x1, x1 = x2, x2 = temp;
@@ -1568,10 +1591,13 @@ tclearregion(int x1, int y1, int x2, int y2) {
for(y = y1; y <= y2; y++) {
term.dirty[y] = 1;
for(x = x1; x <= x2; x++) {
+ gp = &term.line[y][x];
if(selected(x, y))
selclear(NULL);
- term.line[y][x] = term.c.attr;
- memcpy(term.line[y][x].c, " ", 2);
+ gp->fg = term.c.attr.fg;
+ gp->bg = term.c.attr.bg;
+ gp->mode = 0;
+ memcpy(gp->c, " ", 2);
}
}
}
@@ -1683,7 +1709,6 @@ tsetattr(int *attr, int l) {
ATTR_ITALIC |
ATTR_UNDERLINE |
ATTR_BLINK |
- ATTR_FASTBLINK |
ATTR_REVERSE |
ATTR_INVISIBLE |
ATTR_STRUCK );
@@ -1703,10 +1728,9 @@ tsetattr(int *attr, int l) {
term.c.attr.mode |= ATTR_UNDERLINE;
break;
case 5: /* slow blink */
- term.c.attr.mode |= ATTR_BLINK;
- break;
+ /* FALLTHROUGH */
case 6: /* rapid blink */
- term.c.attr.mode |= ATTR_FASTBLINK;
+ term.c.attr.mode |= ATTR_BLINK;
break;
case 7:
term.c.attr.mode |= ATTR_REVERSE;
@@ -1717,11 +1741,8 @@ tsetattr(int *attr, int l) {
case 9:
term.c.attr.mode |= ATTR_STRUCK;
break;
- case 21:
- term.c.attr.mode &= ~ATTR_BOLD;
- break;
case 22:
- term.c.attr.mode &= ~ATTR_FAINT;
+ term.c.attr.mode &= ~(ATTR_BOLD | ATTR_FAINT);
break;
case 23:
term.c.attr.mode &= ~ATTR_ITALIC;
@@ -1732,9 +1753,6 @@ tsetattr(int *attr, int l) {
case 25:
term.c.attr.mode &= ~ATTR_BLINK;
break;
- case 26:
- term.c.attr.mode &= ~ATTR_FASTBLINK;
- break;
case 27:
term.c.attr.mode &= ~ATTR_REVERSE;
break;
@@ -1807,7 +1825,7 @@ tsetmode(bool priv, bool set, int *args, int narg) {
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);
@@ -1970,7 +1988,7 @@ csihandle(void) {
break;
case 'c': /* DA -- Device Attributes */
if(csiescseq.arg[0] == 0)
- ttywrite(VT102ID, sizeof(VT102ID) - 1);
+ ttywrite(vtiden, sizeof(vtiden) - 1);
break;
case 'C': /* CUF -- Cursor <n> Forward */
case 'a': /* HPR -- Cursor <n> Forward */
@@ -2181,7 +2199,7 @@ strhandle(void) {
* TODO if defaultbg color is changed, borders
* are dirty
*/
- redraw(0);
+ redraw();
}
return;
}
@@ -2316,13 +2334,13 @@ techo(char *buf, int len) {
for(; len > 0; buf++, len--) {
char c = *buf;
- if(ISCONTROL(c)) { /* control code */
+ if(ISCONTROL((uchar) c)) { /* control code */
if(c & 0x80) {
c &= 0x7f;
tputc("^", 1);
tputc("[", 1);
} else if(c != '\n' && c != '\r' && c != '\t') {
- c ^= '\x40';
+ c ^= 0x40;
tputc("^", 1);
}
tputc(&c, 1);
@@ -2347,6 +2365,43 @@ tdeftran(char ascii) {
}
}
+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) {
+ case 0x90: /* DCS -- Device Control String */
+ c = 'P';
+ break;
+ case 0x9f: /* APC -- Application Program Command */
+ c = '_';
+ break;
+ case 0x9e: /* PM -- Privacy Message */
+ c = '^';
+ break;
+ case 0x9d: /* OSC -- Operating System Command */
+ c = ']';
+ break;
+ }
+ }
+ strreset();
+ strescseq.type = c;
+ term.esc |= ESC_STR;
+ return;
+}
+
void
tcontrolcode(uchar ascii) {
static char question[UTF_SIZ] = "?";
@@ -2375,7 +2430,7 @@ tcontrolcode(uchar ascii) {
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 */
@@ -2383,11 +2438,9 @@ tcontrolcode(uchar ascii) {
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);
@@ -2401,37 +2454,117 @@ tcontrolcode(uchar ascii) {
case 0177: /* DEL (IGNORED) */
return;
case 0x84: /* TODO: IND */
- case 0x85: /* TODO: NEL */
- case 0x88: /* TODO: HTS */
+ break;
+ case 0x85: /* NEL -- Next line */
+ tnewline(1); /* always go to first col */
+ break;
+ case 0x88: /* HTS -- Horizontal tab stop */
+ term.tabs[term.c.x] = 1;
+ break;
case 0x8d: /* TODO: RI */
case 0x8e: /* TODO: SS2 */
case 0x8f: /* TODO: SS3 */
- case 0x90: /* TODO: DCS */
case 0x98: /* TODO: SOS */
- case 0x9a: /* TODO: DECID */
+ break;
+ case 0x9a: /* DECID -- Identify Terminal */
+ ttywrite(vtiden, sizeof(vtiden) - 1);
+ break;
case 0x9b: /* TODO: CSI */
case 0x9c: /* TODO: ST */
- case 0x9d: /* TODO: OSC */
- case 0x9e: /* TODO: PM */
- case 0x9f: /* TODO: APC */
break;
+ case 0x90: /* DCS -- Device Control String */
+ case 0x9f: /* APC -- Application Program Command */
+ case 0x9e: /* PM -- Privacy Message */
+ case 0x9d: /* OSC -- Operating System Command */
+ tstrsequence(ascii);
+ return;
}
/* only CAN, SUB, \a and C1 chars interrupt a sequence */
term.esc &= ~(ESC_STR_END|ESC_STR);
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);
+ } 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;
}
+ return 1;
}
void
@@ -2447,7 +2580,10 @@ tputc(char *c, int len) {
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;
}
@@ -2518,78 +2654,9 @@ tputc(char *c, int len) {
} 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 */
- strreset();
- strescseq.type = ascii;
- term.esc |= ESC_STR;
+ if (!eschandle(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;
- 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(VT102ID, sizeof(VT102ID) - 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;
/*
@@ -2605,13 +2672,16 @@ tputc(char *c, int len) {
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);
@@ -2629,18 +2699,20 @@ tputc(char *c, int len) {
}
}
-int
+void
tresize(int col, int row) {
int i;
int minrow = MIN(row, term.row);
int mincol = MIN(col, term.col);
int slide = term.c.y - row + 1;
bool *bp;
- Line *orig;
TCursor c;
- if(col < 1 || row < 1)
- return 0;
+ if(col < 1 || row < 1) {
+ fprintf(stderr,
+ "tresize: error resizing to %dx%d\n", col, row);
+ return;
+ }
/* free unneeded rows */
i = 0;
@@ -2670,14 +2742,12 @@ tresize(int col, int row) {
/* resize each row to new width, zero-pad if needed */
for(i = 0; i < minrow; i++) {
- term.dirty[i] = 1;
term.line[i] = xrealloc(term.line[i], col * sizeof(Glyph));
term.alt[i] = xrealloc(term.alt[i], col * sizeof(Glyph));
}
/* allocate any new rows */
for(/* i == minrow */; i < row; i++) {
- term.dirty[i] = 1;
term.line[i] = xmalloc(col * sizeof(Glyph));
term.alt[i] = xmalloc(col * sizeof(Glyph));
}
@@ -2697,10 +2767,9 @@ tresize(int col, int row) {
tsetscroll(0, row-1);
/* make use of the LIMIT in tmoveto */
tmoveto(term.c.x, term.c.y);
- /* Clearing both screens */
- orig = term.line;
+ /* Clearing both screens (it makes dirty all lines) */
c = term.c;
- do {
+ for(i = 0; i < 2; i++) {
if(mincol < col && 0 < minrow) {
tclearregion(mincol, 0, col - 1, minrow - 1);
}
@@ -2709,10 +2778,8 @@ tresize(int col, int row) {
}
tswapscreen();
tcursor(CURSOR_LOAD);
- } while(orig != term.line);
+ }
term.c = c;
-
- return (slide > 0);
}
void
@@ -2924,7 +2991,7 @@ xloadfonts(char *fontstr, double fontsize) {
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);
@@ -2944,6 +3011,7 @@ xloadfonts(char *fontstr, double fontsize) {
FcPatternAddDouble(pattern, FC_PIXEL_SIZE, 12);
usedfontsize = 12;
}
+ defaultfontsize = usedfontsize;
}
FcConfigSubstitute(0, pattern, FcMatchPattern);
@@ -2956,6 +3024,8 @@ xloadfonts(char *fontstr, double fontsize) {
FcPatternGetDouble(dc.font.match->pattern,
FC_PIXEL_SIZE, 0, &fontval);
usedfontsize = fontval;
+ if(fontsize == 0)
+ defaultfontsize = fontval;
}
/* Setting character width and height. */
@@ -3011,13 +3081,31 @@ xunloadfonts(void) {
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;
@@ -3058,8 +3146,8 @@ xinit(void) {
| 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
@@ -3121,7 +3209,7 @@ void
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;
@@ -3304,8 +3392,13 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
/* 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 \
+ && unicodep == unicodep) {
break;
}
}
@@ -3334,10 +3427,11 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
FcConfigSubstitute(0, fcpattern,
FcMatchPattern);
+ FcPatternPrint(fcpattern);
FcDefaultSubstitute(fcpattern);
- fontpattern = FcFontSetMatch(0, fcsets,
- FcTrue, fcpattern, &fcres);
+ fontpattern = FcFontSetMatch(0, fcsets, 1,
+ fcpattern, &fcres);
/*
* Overwrite or create the new cache entry.
@@ -3345,11 +3439,13 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
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++;
@@ -3415,39 +3511,40 @@ xdrawcursor(void) {
xdraws(term.line[oldy][oldx].c, term.line[oldy][oldx], oldx,
oldy, width, sl);
- /* 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(IS_SET(MODE_HIDE))
+ return;
- 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);
+ /* draw the new one */
+ if(xw.state & WIN_FOCUSED) {
+ if(IS_SET(MODE_REVERSE)) {
+ g.mode |= ATTR_REVERSE;
+ g.fg = defaultcs;
+ g.bg = defaultfg;
}
- oldx = curx, oldy = term.c.y;
+
+ 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);
}
+ oldx = curx, oldy = term.c.y;
}
@@ -3468,16 +3565,9 @@ xresettitle(void) {
}
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
@@ -3544,7 +3634,7 @@ expose(XEvent *ev) {
if(!e->count)
xw.state &= ~WIN_REDRAW;
}
- redraw(0);
+ redraw();
}
void
@@ -3753,6 +3843,8 @@ run(void) {
/* Waiting for window mapping */
while(1) {
XNextEvent(xw.dpy, &ev);
+ if(XFilterEvent(&ev, None))
+ continue;
if(ev.type == ConfigureNotify) {
w = ev.xconfigure.width;
h = ev.xconfigure.height;
@@ -3833,6 +3925,9 @@ run(void) {
TIMEDIFF(now,
lastblink)));
}
+ drawtimeout.tv_sec = \
+ drawtimeout.tv_nsec / 1E9;
+ drawtimeout.tv_nsec %= (long)1E9;
} else {
tv = NULL;
}
@@ -3843,9 +3938,9 @@ run(void) {
void
usage(void) {
- die("%s " VERSION " (c) 2010-2014 st engineers\n" \
- "usage: st [-a] [-v] [-c class] [-f font] [-g geometry] [-o file]" \
- " [-t title] [-w windowid] [-e command ...]\n", argv0);
+ 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);
}
int