X-Git-Url: https://git.xinqibao.xyz/st.git/blobdiff_plain/66669a558560c0ba3b5da4cd2009de81d68a2263..4a4ae19158a6d18d63b8e9fce92e6e5e45543746:/st.c?ds=inline
diff --git a/st.c b/st.c
index 586d124..165d930 100644
--- a/st.c
+++ b/st.c
@@ -76,6 +76,7 @@ enum glyph_attribute {
ATTR_UNDERLINE = 2,
ATTR_BOLD = 4,
ATTR_GFX = 8,
+ ATTR_ITALIC = 16,
};
enum cursor_movement {
@@ -221,6 +222,7 @@ typedef struct {
struct {int x, y;} b, e;
char *clip;
Atom xtarget;
+ bool alt;
struct timeval tclick1;
struct timeval tclick2;
} Selection;
@@ -237,7 +239,7 @@ typedef struct {
short lbearing;
short rbearing;
XFontSet set;
- } font, bfont;
+ } font, bfont, ifont;
} DC;
static void die(const char*, ...);
@@ -289,7 +291,7 @@ 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 xcopy(void);
static void xdrawcursor(void);
static void xinit(void);
static void xloadcols(void);
@@ -309,12 +311,13 @@ static void brelease(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 *);
@@ -334,6 +337,7 @@ static void (*handler[LASTEvent])(XEvent *) = {
[MotionNotify] = bmotion,
[ButtonPress] = bpress,
[ButtonRelease] = brelease,
+ [SelectionClear] = selclear,
[SelectionNotify] = selnotify,
[SelectionRequest] = selrequest,
};
@@ -547,6 +551,7 @@ bpress(XEvent *e) {
sel.mode = 1;
sel.ex = sel.bx = X2COL(e->xbutton.x);
sel.ey = sel.by = Y2ROW(e->xbutton.y);
+ draw();
}
}
@@ -579,6 +584,7 @@ selcopy(void) {
}
*ptr = 0;
}
+ sel.alt = IS_SET(MODE_ALTSCREEN);
xsetsel(str);
}
@@ -609,6 +615,14 @@ selpaste() {
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);
+ draw();
+}
+
void
selrequest(XEvent *e) {
XSelectionRequestEvent *xsre;
@@ -737,6 +751,10 @@ execsh(void) {
char **args;
char *envshell = getenv("SHELL");
+ unsetenv("COLUMNS");
+ unsetenv("LINES");
+ unsetenv("TERMCAP");
+
DEFAULT(envshell, SHELL);
putenv("TERM="TNAME);
args = opt_cmd ? opt_cmd : (char*[]){envshell, "-i", NULL};
@@ -783,7 +801,7 @@ ttynew(void) {
close(s);
cmdfd = m;
signal(SIGCHLD, sigchld);
- if (opt_io && !(fileio = fopen(opt_io, "w"))) {
+ if(opt_io && !(fileio = fopen(opt_io, "w"))) {
fprintf(stderr, "Error opening %s:%s\n",
opt_io, strerror(errno));
}
@@ -839,7 +857,8 @@ ttyresize(int x, int y) {
w.ws_row = term.row;
w.ws_col = term.col;
- w.ws_xpixel = w.ws_ypixel = 0;
+ w.ws_xpixel = xw.w;
+ w.ws_ypixel = xw.h;
if(ioctl(cmdfd, TIOCSWINSZ, &w) < 0)
fprintf(stderr, "Couldn't set window size: %s\n", SERRNO);
}
@@ -882,7 +901,7 @@ treset(void) {
}, .x = 0, .y = 0, .state = CURSOR_DEFAULT};
memset(term.tabs, 0, term.col * sizeof(*term.tabs));
- for (i = TAB; i < term.col; i += TAB)
+ for(i = TAB; i < term.col; i += TAB)
term.tabs[i] = 1;
term.top = 0, term.bot = term.row - 1;
term.mode = MODE_WRAP;
@@ -1115,8 +1134,8 @@ tsetattr(int *attr, int l) {
case 1:
term.c.attr.mode |= ATTR_BOLD;
break;
- case 3: /* enter standout (highlight) mode TODO: make it italic */
- term.c.attr.mode |= ATTR_REVERSE;
+ case 3: /* enter standout (highlight) */
+ term.c.attr.mode |= ATTR_ITALIC;
break;
case 4:
term.c.attr.mode |= ATTR_UNDERLINE;
@@ -1127,8 +1146,8 @@ tsetattr(int *attr, int l) {
case 22:
term.c.attr.mode &= ~ATTR_BOLD;
break;
- case 23: /* leave standout (highlight) mode TODO: make it italic */
- term.c.attr.mode &= ~ATTR_REVERSE;
+ case 23: /* leave standout (highlight) mode */
+ term.c.attr.mode &= ~ATTR_ITALIC;
break;
case 24:
term.c.attr.mode &= ~ATTR_UNDERLINE;
@@ -1201,7 +1220,7 @@ void
tsetmode(bool priv, bool set, int *args, int narg) {
int *lim, mode;
- for (lim = args + narg; args < lim; ++args) {
+ for(lim = args + narg; args < lim; ++args) {
if(priv) {
switch(*args) {
case 1:
@@ -1210,7 +1229,7 @@ tsetmode(bool priv, bool set, int *args, int narg) {
case 5: /* DECSCNM -- Reverve video */
mode = term.mode;
MODBIT(term.mode,set, MODE_REVERSE);
- if (mode != term.mode)
+ if(mode != term.mode)
redraw();
break;
case 7:
@@ -1235,11 +1254,11 @@ tsetmode(bool priv, bool set, int *args, int narg) {
case 1047:
if(IS_SET(MODE_ALTSCREEN))
tclearregion(0, 0, term.col-1, term.row-1);
- if ((set && !IS_SET(MODE_ALTSCREEN)) ||
+ if((set && !IS_SET(MODE_ALTSCREEN)) ||
(!set && IS_SET(MODE_ALTSCREEN))) {
tswapscreen();
}
- if (*args != 1049)
+ if(*args != 1049)
break;
/* pass through */
case 1048:
@@ -1320,19 +1339,19 @@ csihandle(void) {
}
break;
case 'G': /* CHA -- Move to <col> */
- case '`': /* XXX: HPA -- same? */
+ 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? */
+ 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]--)
+ while(csiescseq.arg[0]--)
tputtab(1);
break;
case 'J': /* ED -- Clear screen */
@@ -1397,7 +1416,7 @@ csihandle(void) {
break;
case 'Z': /* CBT -- Cursor Backward Tabulation <n> tab stops */
DEFAULT(csiescseq.arg[0], 1);
- while (csiescseq.arg[0]--)
+ while(csiescseq.arg[0]--)
tputtab(0);
break;
case 'd': /* VPA -- Move to <row> */
@@ -1528,15 +1547,15 @@ void
tputtab(bool forward) {
unsigned x = term.c.x;
- if (forward) {
- if (x == term.col)
+ if(forward) {
+ if(x == term.col)
return;
- for (++x; x < term.col && !term.tabs[x]; ++x)
+ for(++x; x < term.col && !term.tabs[x]; ++x)
/* nothing */ ;
} else {
- if (x == 0)
+ if(x == 0)
return;
- for (--x; x > 0 && !term.tabs[x]; --x)
+ for(--x; x > 0 && !term.tabs[x]; --x)
/* nothing */ ;
}
tmoveto(x, term.c.y);
@@ -1546,8 +1565,9 @@ void
tputc(char *c) {
char ascii = *c;
- if (fileio)
+ if(fileio)
putc(ascii, fileio);
+
if(term.esc & ESC_START) {
if(term.esc & ESC_CSI) {
csiescseq.buf[csiescseq.len++] = ascii;
@@ -1566,7 +1586,7 @@ tputc(char *c) {
break;
default:
strescseq.buf[strescseq.len++] = ascii;
- if (strescseq.len+1 >= STR_BUF_SIZ) {
+ if(strescseq.len+1 >= STR_BUF_SIZ) {
term.esc = 0;
strhandle();
}
@@ -1744,13 +1764,13 @@ tresize(int col, int row) {
term.line[i] = calloc(col, sizeof(Glyph));
term.alt [i] = calloc(col, sizeof(Glyph));
}
- if (col > term.col) {
+ if(col > term.col) {
bool *bp = term.tabs + term.col;
memset(bp, 0, sizeof(*term.tabs) * (col - term.col));
- while (--bp > term.tabs && !*bp)
+ while(--bp > term.tabs && !*bp)
/* nothing */ ;
- for (bp += TAB; bp < term.tabs + col; bp += TAB)
+ for(bp += TAB; bp < term.tabs + col; bp += TAB)
*bp = 1;
}
/* update terminal size */
@@ -1803,7 +1823,7 @@ xloadcols(void) {
for(r = 0; r < 24; r++, i++) {
color.red = color.green = color.blue = 0x0808 + 0x0a0a * r;
- if (!XAllocColor(xw.dpy, xw.cmap, &color)) {
+ if(!XAllocColor(xw.dpy, xw.cmap, &color)) {
dc.col[i] = white;
fprintf(stderr, "Could not allocate color %d\n", i);
} else
@@ -1878,14 +1898,20 @@ xgetfontinfo(XFontSet set, int *ascent, int *descent, short *lbearing, short *rb
}
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);
+initfonts(char *fontstr, char *bfontstr, char *ifontstr) {
+ if((dc.font.set = xinitfont(fontstr)) == NULL)
+ die("Can't load font %s\n", fontstr);
+ if((dc.bfont.set = xinitfont(bfontstr)) == NULL)
+ die("Can't load bfont %s\n", bfontstr);
+ if((dc.ifont.set = xinitfont(ifontstr)) == NULL)
+ die("Can't load ifont %s\n", ifontstr);
+
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);
+ xgetfontinfo(dc.ifont.set, &dc.ifont.ascent, &dc.ifont.descent,
+ &dc.ifont.lbearing, &dc.ifont.rbearing);
}
void
@@ -1907,16 +1933,19 @@ xinit(void) {
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.fw = xw.w;
- xw.fh = xw.h;
+ xw.fx = 0;
+ xw.fy = 0;
}
/* font */
- initfonts(FONT, BOLDFONT);
+ initfonts(FONT, BOLDFONT, ITALICFONT);
/* XXX: Assuming same size for bold font */
xw.cw = dc.font.rbearing - dc.font.lbearing;
@@ -1931,13 +1960,12 @@ xinit(void) {
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, xw.fx, xw.fy,
- xw.fw, xw.fh, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
+ xw.w, xw.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
XDefaultVisual(xw.dpy, xw.scr),
CWBackPixel | CWBorderPixel | CWBitGravity | CWEventMask
| CWColormap,
@@ -1991,6 +2019,9 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
fontset = dc.bfont.set;
}
+ if(base.mode & ATTR_ITALIC)
+ fontset = dc.ifont.set;
+
XSetBackground(xw.dpy, dc.gc, dc.col[bg]);
XSetForeground(xw.dpy, dc.gc, dc.col[fg]);
@@ -2015,7 +2046,6 @@ void
xcopy() {
XdbeSwapInfo swpinfo[1] = {{xw.win, XdbeCopied}};
XdbeSwapBuffers(xw.dpy, swpinfo, 1);
-
}
void
@@ -2038,7 +2068,7 @@ xdrawcursor(void) {
} else
xclear(oldx, oldy, oldx, oldy);
- xcopy(oldx, oldy, 1, 1);
+ xcopy();
/* draw the new one */
if(!(term.c.state & CURSOR_HIDE)) {
@@ -2053,7 +2083,7 @@ xdrawcursor(void) {
oldx = term.c.x, oldy = term.c.y;
}
- xcopy(term.c.x, term.c.y, 1, 1);
+ xcopy();
}
void
@@ -2076,7 +2106,10 @@ drawregion(int x1, int y1, int x2, int y2) {
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;
@@ -2089,7 +2122,7 @@ drawregion(int x1, int y1, int x2, int y2) {
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)) {
@@ -2222,11 +2255,11 @@ 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();
@@ -2248,8 +2281,8 @@ resize(XEvent *e) {
return;
if(tresize(col, row))
draw();
- ttyresize(col, row);
xresize(col, row);
+ ttyresize(col, row);
}
bool
@@ -2304,6 +2337,7 @@ main(int argc, char *argv[]) {
unsigned int 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]) {
@@ -2317,7 +2351,7 @@ main(int argc, char *argv[]) {
if(++i < argc) opt_embed = argv[i];
break;
case 'f':
- if (++i < argc) opt_io = argv[i];
+ if(++i < argc) opt_io = argv[i];
break;
case 'e':
/* eat every remaining arguments */