X-Git-Url: https://git.xinqibao.xyz/st.git/blobdiff_plain/7d32471efffa825f52d24930b5ee617105f9c83e..4de64fa4d24fe0164bc59dd853982a43a9c19e56:/st.c?ds=inline
diff --git a/st.c b/st.c
index 9f5793c..de3d045 100644
--- a/st.c
+++ b/st.c
@@ -1,5 +1,4 @@
/* See LICENSE for licence details. */
-#define _XOPEN_SOURCE 600
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
@@ -28,6 +27,10 @@
#include <X11/Xft/Xft.h>
#include <fontconfig/fontconfig.h>
+#include "arg.h"
+
+char *argv0;
+
#define Glyph Glyph_
#define Font Font_
#define Draw XftDraw *
@@ -42,10 +45,6 @@
#include <libutil.h>
#endif
-#define USAGE \
- "st " VERSION " (c) 2010-2013 st engineers\n" \
- "usage: st [-v] [-c class] [-f font] [-g geometry] [-o file]" \
- " [-t title] [-w windowid] [-e command ...]\n"
/* XEMBED messages */
#define XEMBED_FOCUS_IN 4
@@ -650,23 +649,18 @@ selected(int x, int y) {
if(sel.ey == y && sel.by == y) {
bx = MIN(sel.bx, sel.ex);
ex = MAX(sel.bx, sel.ex);
+
return BETWEEN(x, bx, ex);
}
- return ((sel.b.y < y && y < sel.e.y)
- || (y == sel.e.y && x <= sel.e.x))
- || (y == sel.b.y && x >= sel.b.x
- && (x <= sel.e.x || sel.b.y != sel.e.y));
- switch(sel.type) {
- case SEL_REGULAR:
- return ((sel.b.y < y && y < sel.e.y)
- || (y == sel.e.y && x <= sel.e.x))
- || (y == sel.b.y && x >= sel.b.x
- && (x <= sel.e.x || sel.b.y != sel.e.y));
- case SEL_RECTANGULAR:
+ if(sel.type == SEL_RECTANGULAR) {
return ((sel.b.y <= y && y <= sel.e.y)
&& (sel.b.x <= x && x <= sel.e.x));
- };
+ }
+ return ((sel.b.y < y && y < sel.e.y)
+ || (y == sel.e.y && x <= sel.e.x))
+ || (y == sel.b.y && x >= sel.b.x
+ && (x <= sel.e.x || sel.b.y != sel.e.y));
}
void
@@ -764,7 +758,7 @@ bpress(XEvent *e) {
void
selcopy(void) {
char *str, *ptr, *p;
- int x, y, bufsize, is_selected = 0, size;
+ int x, y, bufsize, isselected = 0, size;
Glyph *gp, *last;
if(sel.bx == -1) {
@@ -775,7 +769,7 @@ selcopy(void) {
/* append every set & selected glyph to the selection */
for(y = sel.b.y; y < sel.e.y + 1; y++) {
- is_selected = 0;
+ isselected = 0;
gp = &term.line[y][0];
last = gp + term.col;
@@ -786,7 +780,7 @@ selcopy(void) {
if(!selected(x, y)) {
continue;
} else {
- is_selected = 1;
+ isselected = 1;
}
p = (gp->state & GLYPH_SET) ? gp->c : " ";
@@ -794,8 +788,17 @@ selcopy(void) {
memcpy(ptr, p, size);
ptr += size;
}
- /* \n at the end of every selected line except for the last one */
- if(is_selected && y < sel.e.y)
+
+ /*
+ * Copy and pasting of line endings is inconsistent
+ * in the inconsistent terminal and GUI world.
+ * The best solution seems like to produce '\n' when
+ * something is copied from st and convert '\n' to
+ * '\r', when something to be pasted is received by
+ * st.
+ * FIXME: Fix the computer world.
+ */
+ if(isselected && y < sel.e.y)
*ptr++ = '\n';
}
*ptr = 0;
@@ -807,7 +810,7 @@ void
selnotify(XEvent *e) {
ulong nitems, ofs, rem;
int format;
- uchar *data;
+ uchar *data, *last, *repl;
Atom type;
ofs = 0;
@@ -818,7 +821,21 @@ selnotify(XEvent *e) {
fprintf(stderr, "Clipboard allocation failed\n");
return;
}
- ttywrite((const char *) data, nitems * format / 8);
+
+ /*
+ * As seen in selcopy:
+ * Line endings are inconsistent in the terminal and GUI world
+ * copy and pasting. When receiving some selection data,
+ * replace all '\n' with '\r'.
+ * FIXME: Fix the computer world.
+ */
+ repl = data;
+ last = data + nitems * format / 8;
+ while((repl = memchr(repl, '\n', last - repl))) {
+ *repl++ = '\r';
+ }
+
+ ttywrite((const char *)data, nitems * format / 8);
XFree(data);
/* number of 32-bit chunks returned */
ofs += nitems * format / 32;
@@ -1258,8 +1275,12 @@ selscroll(int orig, int n) {
sel.bx = -1;
return;
}
- switch(sel.type) {
- case SEL_REGULAR:
+ if(sel.type == SEL_RECTANGULAR) {
+ if(sel.by < term.top)
+ sel.by = term.top;
+ if(sel.ey > term.bot)
+ sel.ey = term.bot;
+ } else {
if(sel.by < term.top) {
sel.by = term.top;
sel.bx = 0;
@@ -1268,14 +1289,7 @@ selscroll(int orig, int n) {
sel.ey = term.bot;
sel.ex = term.col;
}
- break;
- case SEL_RECTANGULAR:
- if(sel.by < term.top)
- sel.by = term.top;
- if(sel.ey > term.bot)
- sel.ey = term.bot;
- break;
- };
+ }
sel.b.y = sel.by, sel.b.x = sel.bx;
sel.e.y = sel.ey, sel.e.x = sel.ex;
}
@@ -1295,7 +1309,6 @@ tnewline(int first_col) {
void
csiparse(void) {
- /* int noarg = 1; */
char *p = csiescseq.buf, *np;
long int v;
@@ -1305,10 +1318,12 @@ csiparse(void) {
p++;
}
+ csiescseq.buf[csiescseq.len] = '\0';
while(p < csiescseq.buf+csiescseq.len) {
+ np = NULL;
v = strtol(p, &np, 10);
if(np == p)
- break;
+ v = 0;
if(v == LONG_MAX || v == LONG_MIN)
v = -1;
csiescseq.arg[csiescseq.narg++] = v;
@@ -1623,7 +1638,10 @@ tsetmode(bool priv, bool set, int *args, int narg) {
break;
case 1049: /* = 1047 and 1048 */
case 47:
- case 1047: {
+ case 1047:
+ if (!allowaltscreen)
+ break;
+
alt = IS_SET(MODE_ALTSCREEN);
if(alt) {
tclearregion(0, 0, term.col-1,
@@ -1633,8 +1651,7 @@ tsetmode(bool priv, bool set, int *args, int narg) {
tswapscreen();
if(*args != 1049)
break;
- }
- /* pass through */
+ /* FALLTRU */
case 1048:
tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
break;
@@ -1925,14 +1942,12 @@ strhandle(void) {
void
strparse(void) {
- char *p = strescseq.buf, *sp;
+ char *p = strescseq.buf;
+ strescseq.narg = 0;
strescseq.buf[strescseq.len] = '\0';
- for(p = strtok_r(p, ";", &sp); p; p = strtok_r(NULL, ";", &sp)) {
- if(strescseq.narg == STR_ARG_SIZ)
- return;
- strescseq.args[strescseq.narg++] = p;
- }
+ while(p && strescseq.narg < STR_ARG_SIZ)
+ strescseq.args[strescseq.narg++] = strsep(&p, ";");
}
void
@@ -2109,7 +2124,8 @@ tputc(char *c, int len) {
if(term.esc & ESC_CSI) {
csiescseq.buf[csiescseq.len++] = ascii;
if(BETWEEN(ascii, 0x40, 0x7E)
- || csiescseq.len >= ESC_BUF_SIZ) {
+ || csiescseq.len >= \
+ sizeof(csiescseq.buf)-1) {
term.esc = 0;
csiparse();
csihandle();
@@ -2342,10 +2358,8 @@ xresize(int col, int row) {
XFreePixmap(xw.dpy, xw.buf);
xw.buf = XCreatePixmap(xw.dpy, xw.win, xw.w, xw.h,
DefaultDepth(xw.dpy, xw.scr));
- XSetForeground(xw.dpy, dc.gc, dc.col[IS_SET(MODE_REVERSE) ? defaultfg : defaultbg].pixel);
- XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, xw.w, xw.h);
-
XftDrawChange(xw.draw, xw.buf);
+ xclear(0, 0, xw.w, xw.h);
}
static inline ushort
@@ -2494,7 +2508,7 @@ xloadfont(Font *f, FcPattern *pattern) {
f->lbearing = 0;
f->rbearing = f->match->max_advance_width;
- f->height = f->match->height;
+ f->height = f->ascent + f->descent;
f->width = f->lbearing + f->rbearing;
return 0;
@@ -2720,12 +2734,28 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
FcPattern *fcpattern, *fontpattern;
FcFontSet *fcsets[] = { NULL };
FcCharSet *fccharset;
- Colour *fg = &dc.col[base.fg], *bg = &dc.col[base.bg],
- *temp, revfg, revbg;
+ Colour *fg, *bg, *temp, revfg, revbg;
XRenderColor colfg, colbg;
frcflags = FRC_NORMAL;
+ if(base.mode & ATTR_ITALIC) {
+ if(base.fg == defaultfg)
+ base.fg = defaultitalic;
+ font = &dc.ifont;
+ frcflags = FRC_ITALIC;
+ } else if((base.mode & ATTR_ITALIC) && (base.mode & ATTR_BOLD)) {
+ if(base.fg == defaultfg)
+ base.fg = defaultitalic;
+ font = &dc.ibfont;
+ frcflags = FRC_ITALICBOLD;
+ } else if(base.mode & ATTR_UNDERLINE) {
+ if(base.fg == defaultfg)
+ base.fg = defaultunderline;
+ }
+ fg = &dc.col[base.fg];
+ bg = &dc.col[base.bg];
+
if(base.mode & ATTR_BOLD) {
if(BETWEEN(base.fg, 0, 7)) {
/* basic system colors */
@@ -2747,15 +2777,6 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
frcflags = FRC_BOLD;
}
- if(base.mode & ATTR_ITALIC) {
- font = &dc.ifont;
- frcflags = FRC_ITALIC;
- }
- if((base.mode & ATTR_ITALIC) && (base.mode & ATTR_BOLD)) {
- font = &dc.ibfont;
- frcflags = FRC_ITALICBOLD;
- }
-
if(IS_SET(MODE_REVERSE)) {
if(fg == &dc.col[defaultfg]) {
fg = &dc.col[defaultbg];
@@ -2882,8 +2903,7 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
FcTrue, fcpattern, &fcres);
/*
- * Overwrite or create the new cache entry
- * entry.
+ * Overwrite or create the new cache entry.
*/
frccur++;
frclen++;
@@ -2946,14 +2966,33 @@ xdrawcursor(void) {
/* draw the new one */
if(!(IS_SET(MODE_HIDE))) {
- if(!(xw.state & WIN_FOCUSED))
- g.bg = defaultucs;
-
- if(IS_SET(MODE_REVERSE))
- g.mode |= ATTR_REVERSE, g.fg = defaultcs, g.bg = defaultfg;
+ if(xw.state & WIN_FOCUSED) {
+ if(IS_SET(MODE_REVERSE)) {
+ g.mode |= ATTR_REVERSE;
+ g.fg = defaultcs;
+ g.bg = defaultfg;
+ }
- sl = utf8size(g.c);
- xdraws(g.c, g, term.c.x, term.c.y, 1, sl);
+ sl = utf8size(g.c);
+ xdraws(g.c, g, term.c.x, term.c.y, 1, sl);
+ } else {
+ XftDrawRect(xw.draw, &dc.col[defaultcs],
+ borderpx + term.c.x * xw.cw,
+ borderpx + term.c.y * xw.ch,
+ xw.cw - 1, 1);
+ XftDrawRect(xw.draw, &dc.col[defaultcs],
+ borderpx + term.c.x * xw.cw,
+ borderpx + term.c.y * xw.ch,
+ 1, xw.ch - 1);
+ XftDrawRect(xw.draw, &dc.col[defaultcs],
+ borderpx + (term.c.x + 1) * xw.cw - 1,
+ borderpx + term.c.y * xw.ch,
+ 1, xw.ch - 1);
+ XftDrawRect(xw.draw, &dc.col[defaultcs],
+ borderpx + term.c.x * xw.cw,
+ borderpx + (term.c.y + 1) * xw.ch - 1,
+ xw.cw, 1);
+ }
oldx = term.c.x, oldy = term.c.y;
}
}
@@ -3309,67 +3348,67 @@ run(void) {
}
}
+void
+usage(void) {
+ die("%s " VERSION " (c) 2010-2013 st engineers\n" \
+ "usage: st [-a] [-v] [-c class] [-f font] [-g geometry] [-o file]" \
+ " [-t title] [-w windowid] [-e command ...]\n", argv0);
+}
+
int
main(int argc, char *argv[]) {
- int i, bitm, xr, yr;
+ int bitm, xr, yr;
uint 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]) {
- case 'c':
- if(++i < argc)
- opt_class = argv[i];
- break;
- case 'e':
- /* eat all remaining arguments */
- if(++i < argc)
- opt_cmd = &argv[i];
- goto run;
- case 'f':
- if(++i < argc)
- opt_font = argv[i];
- break;
- case 'g':
- if(++i >= argc)
- break;
-
- bitm = XParseGeometry(argv[i], &xr, &yr, &wr, &hr);
- if(bitm & XValue)
- xw.fx = xr;
- if(bitm & YValue)
- xw.fy = yr;
- if(bitm & WidthValue)
- xw.fw = (int)wr;
- if(bitm & HeightValue)
- xw.fh = (int)hr;
- if(bitm & XNegative && xw.fx == 0)
- xw.fx = -1;
- if(bitm & XNegative && xw.fy == 0)
- xw.fy = -1;
-
- if(xw.fh != 0 && xw.fw != 0)
- xw.isfixed = True;
- break;
- case 'o':
- if(++i < argc)
- opt_io = argv[i];
- break;
- case 't':
- if(++i < argc)
- opt_title = argv[i];
- break;
- case 'v':
- default:
- die(USAGE);
- case 'w':
- if(++i < argc)
- opt_embed = argv[i];
- break;
- }
- }
+ ARGBEGIN {
+ case 'a':
+ allowaltscreen = false;
+ break;
+ case 'c':
+ opt_class = EARGF(usage());
+ break;
+ case 'e':
+ /* eat all remaining arguments */
+ if(argc > 1)
+ opt_cmd = &argv[1];
+ goto run;
+ case 'f':
+ opt_font = EARGF(usage());
+ break;
+ case 'g':
+ bitm = XParseGeometry(EARGF(usage()), &xr, &yr, &wr, &hr);
+ if(bitm & XValue)
+ xw.fx = xr;
+ if(bitm & YValue)
+ xw.fy = yr;
+ if(bitm & WidthValue)
+ xw.fw = (int)wr;
+ if(bitm & HeightValue)
+ xw.fh = (int)hr;
+ if(bitm & XNegative && xw.fx == 0)
+ xw.fx = -1;
+ if(bitm & XNegative && xw.fy == 0)
+ xw.fy = -1;
+
+ if(xw.fh != 0 && xw.fw != 0)
+ xw.isfixed = True;
+ break;
+ case 'o':
+ opt_io = EARGF(usage());
+ break;
+ case 't':
+ opt_title = EARGF(usage());
+ break;
+ case 'w':
+ opt_embed = EARGF(usage());
+ break;
+ case 'v':
+ default:
+ usage();
+ } ARGEND;
run:
setlocale(LC_CTYPE, "");