X-Git-Url: https://git.xinqibao.xyz/st.git/blobdiff_plain/a5dc1b46976b2252f9d7bb68f126c4b0f351dd1a..235a783e039986fca3ccefec08ea45804dab196f:/x.c?ds=inline
diff --git a/x.c b/x.c
index d205ca7..c0bd890 100644
--- a/x.c
+++ b/x.c
@@ -1,15 +1,15 @@
/* See LICENSE for license details. */
#include <errno.h>
+#include <math.h>
+#include <limits.h>
#include <locale.h>
#include <signal.h>
-#include <stdint.h>
#include <sys/select.h>
#include <time.h>
#include <unistd.h>
#include <libgen.h>
#include <X11/Xatom.h>
#include <X11/Xlib.h>
-#include <X11/Xutil.h>
#include <X11/cursorfont.h>
#include <X11/keysym.h>
#include <X11/Xft/Xft.h>
@@ -75,6 +75,15 @@ typedef XftColor Color;
typedef XftGlyphFontSpec GlyphFontSpec;
/* Purely graphic info */
+typedef struct {
+ int tw, th; /* tty width and height */
+ int w, h; /* window width and height */
+ int ch; /* char height */
+ int cw; /* char width */
+ int mode; /* window state/mode flags */
+ int cursor; /* cursor style */
+} TermWindow;
+
typedef struct {
Display *dpy;
Colormap cmap;
@@ -130,17 +139,19 @@ static void xdrawglyphfontspecs(const XftGlyphFontSpec *, Glyph, int, int, int);
static void xdrawglyph(Glyph, int, int);
static void xclear(int, int, int, int);
static int xgeommasktogravity(int);
-static void xinit(void);
+static void xinit(int, int);
static void cresize(int, int);
static void xresize(int, int);
+static void xhints(void);
+static int xloadcolor(int, const char *, Color *);
static int xloadfont(Font *, FcPattern *);
static void xloadfonts(char *, double);
static void xunloadfont(Font *);
static void xunloadfonts(void);
static void xsetenv(void);
static void xseturgency(int);
-static int x2col(int);
-static int y2row(int);
+static int evcol(XEvent *);
+static int evrow(XEvent *);
static void expose(XEvent *);
static void visibility(XEvent *);
@@ -227,13 +238,15 @@ static char *opt_line = NULL;
static char *opt_name = NULL;
static char *opt_title = NULL;
+static int oldbutton = 3; /* button event on startup: 3 = release */
+
void
clipcopy(const Arg *dummy)
{
Atom clipboard;
- if (xsel.clipboard != NULL)
- free(xsel.clipboard);
+ free(xsel.clipboard);
+ xsel.clipboard = NULL;
if (xsel.primary != NULL) {
xsel.clipboard = xstrdup(xsel.primary);
@@ -296,21 +309,19 @@ zoomreset(const Arg *arg)
}
int
-x2col(int x)
+evcol(XEvent *e)
{
- x -= borderpx;
- x /= win.cw;
-
- return LIMIT(x, 0, term.col-1);
+ int x = e->xbutton.x - borderpx;
+ LIMIT(x, 0, win.tw - 1);
+ return x / win.cw;
}
int
-y2row(int y)
+evrow(XEvent *e)
{
- y -= borderpx;
- y /= win.ch;
-
- return LIMIT(y, 0, term.row-1);
+ int y = e->xbutton.y - borderpx;
+ LIMIT(y, 0, win.th - 1);
+ return y / win.ch;
}
void
@@ -325,7 +336,7 @@ mousesel(XEvent *e, int done)
break;
}
}
- selextend(x2col(e->xbutton.x), y2row(e->xbutton.y), seltype, done);
+ selextend(evcol(e), evrow(e), seltype, done);
if (done)
setsel(getsel(), e->xbutton.time);
}
@@ -333,9 +344,8 @@ mousesel(XEvent *e, int done)
void
mousereport(XEvent *e)
{
- int x = x2col(e->xbutton.x), y = y2row(e->xbutton.y),
- button = e->xbutton.button, state = e->xbutton.state,
- len;
+ int len, x = evcol(e), y = evrow(e),
+ button = e->xbutton.button, state = e->xbutton.state;
char buf[40];
static int ox, oy;
@@ -430,7 +440,7 @@ bpress(XEvent *e)
xsel.tclick2 = xsel.tclick1;
xsel.tclick1 = now;
- selstart(x2col(e->xbutton.x), y2row(e->xbutton.y), snap);
+ selstart(evcol(e), evrow(e), snap);
}
}
@@ -454,18 +464,16 @@ selnotify(XEvent *e)
ulong nitems, ofs, rem;
int format;
uchar *data, *last, *repl;
- Atom type, incratom, property;
+ Atom type, incratom, property = None;
incratom = XInternAtom(xw.dpy, "INCR", 0);
ofs = 0;
- if (e->type == SelectionNotify) {
+ if (e->type == SelectionNotify)
property = e->xselection.property;
- } else if(e->type == PropertyNotify) {
+ else if (e->type == PropertyNotify)
property = e->xproperty.atom;
- } else {
- return;
- }
+
if (property == None)
return;
@@ -610,12 +618,15 @@ selrequest(XEvent *e)
void
setsel(char *str, Time t)
{
+ if (!str)
+ return;
+
free(xsel.primary);
xsel.primary = str;
XSetSelectionOwner(xw.dpy, XA_PRIMARY, xw.win, t);
if (XGetSelectionOwner(xw.dpy, XA_PRIMARY) != xw.win)
- selclear_(NULL);
+ selclear();
}
void
@@ -731,9 +742,9 @@ xloadcols(void)
for (i = 0; i < dc.collen; i++)
if (!xloadcolor(i, NULL, &dc.col[i])) {
if (colorname[i])
- die("Could not allocate color '%s'\n", colorname[i]);
+ die("could not allocate color '%s'\n", colorname[i]);
else
- die("Could not allocate color %d\n", i);
+ die("could not allocate color %d\n", i);
}
loaded = 1;
}
@@ -773,7 +784,7 @@ xhints(void)
XClassHint class = {opt_name ? opt_name : termname,
opt_class ? opt_class : termname};
XWMHints wm = {.flags = InputHint, .input = 1};
- XSizeHints *sizeh = NULL;
+ XSizeHints *sizeh;
sizeh = XAllocSizeHints();
@@ -858,7 +869,7 @@ xloadfont(Font *f, FcPattern *pattern)
if ((XftPatternGetInteger(f->match->pattern, "slant", 0,
&haveattr) != XftResultMatch) || haveattr < wantattr) {
f->badslant = 1;
- fputs("st: font slant does not match\n", stderr);
+ fputs("font slant does not match\n", stderr);
}
}
@@ -867,7 +878,7 @@ xloadfont(Font *f, FcPattern *pattern)
if ((XftPatternGetInteger(f->match->pattern, "weight", 0,
&haveattr) != XftResultMatch) || haveattr != wantattr) {
f->badweight = 1;
- fputs("st: font weight does not match\n", stderr);
+ fputs("font weight does not match\n", stderr);
}
}
@@ -894,16 +905,14 @@ xloadfonts(char *fontstr, double fontsize)
{
FcPattern *pattern;
double fontval;
- float ceilf(float);
- if (fontstr[0] == '-') {
+ if (fontstr[0] == '-')
pattern = XftXlfdParse(fontstr, False, False);
- } else {
+ else
pattern = FcNameParse((FcChar8 *)fontstr);
- }
if (!pattern)
- die("st: can't open font %s\n", fontstr);
+ die("can't open font %s\n", fontstr);
if (fontsize > 1) {
FcPatternDel(pattern, FC_PIXEL_SIZE);
@@ -929,7 +938,7 @@ xloadfonts(char *fontstr, double fontsize)
}
if (xloadfont(&dc.font, pattern))
- die("st: can't open font %s\n", fontstr);
+ die("can't open font %s\n", fontstr);
if (usedfontsize < 0) {
FcPatternGetDouble(dc.font.match->pattern,
@@ -946,17 +955,17 @@ xloadfonts(char *fontstr, double fontsize)
FcPatternDel(pattern, FC_SLANT);
FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC);
if (xloadfont(&dc.ifont, pattern))
- die("st: can't open font %s\n", fontstr);
+ die("can't open font %s\n", fontstr);
FcPatternDel(pattern, FC_WEIGHT);
FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD);
if (xloadfont(&dc.ibfont, pattern))
- die("st: can't open font %s\n", fontstr);
+ die("can't open font %s\n", fontstr);
FcPatternDel(pattern, FC_SLANT);
FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN);
if (xloadfont(&dc.bfont, pattern))
- die("st: can't open font %s\n", fontstr);
+ die("can't open font %s\n", fontstr);
FcPatternDestroy(pattern);
}
@@ -984,7 +993,7 @@ xunloadfonts(void)
}
void
-xinit(void)
+xinit(int cols, int rows)
{
XGCValues gcvalues;
Cursor cursor;
@@ -993,13 +1002,13 @@ xinit(void)
XColor xmousefg, xmousebg;
if (!(xw.dpy = XOpenDisplay(NULL)))
- die("Can't open display\n");
+ die("can't open display\n");
xw.scr = XDefaultScreen(xw.dpy);
xw.vis = XDefaultVisual(xw.dpy, xw.scr);
/* font */
if (!FcInit())
- die("Could not init fontconfig.\n");
+ die("could not init fontconfig.\n");
usedfont = (opt_font == NULL)? font : opt_font;
xloadfonts(usedfont, 0);
@@ -1009,8 +1018,8 @@ xinit(void)
xloadcols();
/* adjust fixed window geometry */
- win.w = 2 * borderpx + term.col * win.cw;
- win.h = 2 * borderpx + term.row * win.ch;
+ win.w = 2 * borderpx + cols * win.cw;
+ win.h = 2 * borderpx + rows * win.ch;
if (xw.gm & XNegative)
xw.l += DisplayWidth(xw.dpy, xw.scr) - win.w - 2;
if (xw.gm & YNegative)
@@ -1042,7 +1051,7 @@ xinit(void)
XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, win.w, win.h);
/* font spec buffer */
- xw.specbuf = xmalloc(term.col * sizeof(GlyphFontSpec));
+ xw.specbuf = xmalloc(cols * sizeof(GlyphFontSpec));
/* Xft rendering context */
xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap);
@@ -1337,15 +1346,16 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i
/* Intelligent cleaning up of the borders. */
if (x == 0) {
xclear(0, (y == 0)? 0 : winy, borderpx,
- winy + win.ch + ((y >= term.row-1)? win.h : 0));
+ winy + win.ch +
+ ((winy + win.ch >= borderpx + win.th)? win.h : 0));
}
- if (x + charlen >= term.col) {
+ if (winx + width >= borderpx + win.tw) {
xclear(winx + width, (y == 0)? 0 : winy, win.w,
- ((y >= term.row-1)? win.h : (winy + win.ch)));
+ ((winy + win.ch >= borderpx + win.th)? win.h : (winy + win.ch)));
}
if (y == 0)
xclear(winx, 0, winx + width, borderpx);
- if (y == term.row-1)
+ if (winy + win.ch >= borderpx + win.th)
xclear(winx, winy + win.ch, winx + width, win.h);
/* Clean up the region we want to draw to. */
@@ -1396,12 +1406,13 @@ xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, Glyph og)
og.mode ^= ATTR_REVERSE;
xdrawglyph(og, ox, oy);
+ if (IS_SET(MODE_HIDE))
+ return;
+
/*
* Select the right color for the right mode.
*/
g.mode &= ATTR_BOLD|ATTR_ITALIC|ATTR_UNDERLINE|ATTR_STRUCK|ATTR_WIDE;
- g.fg = defaultbg;
- g.bg = defaultcs;
if (IS_SET(MODE_REVERSE)) {
g.mode |= ATTR_REVERSE;
@@ -1415,22 +1426,20 @@ xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, Glyph og)
}
} else {
if (selected(cx, cy)) {
- drawcol = dc.col[defaultrcs];
g.fg = defaultfg;
g.bg = defaultrcs;
} else {
- drawcol = dc.col[defaultcs];
+ g.fg = defaultbg;
+ g.bg = defaultcs;
}
+ drawcol = dc.col[g.bg];
}
- if (IS_SET(MODE_HIDE))
- return;
-
/* draw the new one */
if (IS_SET(MODE_FOCUSED)) {
switch (win.cursor) {
- case 7: /* st extension: snowman */
- utf8decode("â", &g.u, UTF_SIZ);
+ case 7: /* st extension: snowman (U+2603) */
+ g.u = 0x2603;
case 0: /* Blinking Block */
case 1: /* Blinking Block (Default) */
case 2: /* Steady Block */
@@ -1485,7 +1494,7 @@ void
xsettitle(char *p)
{
XTextProperty prop;
- DEFAULT(p, "st");
+ DEFAULT(p, opt_title);
Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
&prop);
@@ -1734,8 +1743,7 @@ cmessage(XEvent *e)
win.mode &= ~MODE_FOCUSED;
}
} else if (e->xclient.data.l[0] == xw.wmdeletewin) {
- /* Send SIGHUP to shell */
- kill(pid, SIGHUP);
+ ttyhangup();
exit(0);
}
}
@@ -1756,6 +1764,7 @@ run(void)
int w = win.w, h = win.h;
fd_set rfd;
int xfd = XConnectionNumber(xw.dpy), xev, blinkset = 0, dodraw = 0;
+ int ttyfd;
struct timespec drawtimeout, *tv = NULL, now, last, lastblink;
long deltatime;
@@ -1775,7 +1784,7 @@ run(void)
}
} while (ev.type != MapNotify);
- ttynew(opt_line, opt_io, opt_cmd);
+ ttyfd = ttynew(opt_line, shell, opt_io, opt_cmd);
cresize(w, h);
clock_gettime(CLOCK_MONOTONIC, &last);
@@ -1783,15 +1792,15 @@ run(void)
for (xev = actionfps;;) {
FD_ZERO(&rfd);
- FD_SET(cmdfd, &rfd);
+ FD_SET(ttyfd, &rfd);
FD_SET(xfd, &rfd);
- if (pselect(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, tv, NULL) < 0) {
+ if (pselect(MAX(xfd, ttyfd)+1, &rfd, NULL, NULL, tv, NULL) < 0) {
if (errno == EINTR)
continue;
die("select failed: %s\n", strerror(errno));
}
- if (FD_ISSET(cmdfd, &rfd)) {
+ if (FD_ISSET(ttyfd, &rfd)) {
ttyread();
if (blinktimeout) {
blinkset = tattrset(ATTR_BLINK);
@@ -1835,7 +1844,7 @@ run(void)
if (xev && !FD_ISSET(xfd, &rfd))
xev--;
- if (!FD_ISSET(cmdfd, &rfd) && !FD_ISSET(xfd, &rfd)) {
+ if (!FD_ISSET(ttyfd, &rfd) && !FD_ISSET(xfd, &rfd)) {
if (blinkset) {
if (TIMEDIFF(now, lastblink) \
> blinktimeout) {
@@ -1915,23 +1924,25 @@ main(int argc, char *argv[])
opt_embed = EARGF(usage());
break;
case 'v':
- die("%s " VERSION " (c) 2010-2016 st engineers\n", argv0);
+ die("%s " VERSION "\n", argv0);
break;
default:
usage();
} ARGEND;
run:
- if (argc > 0) {
- /* eat all remaining arguments */
+ if (argc > 0) /* eat all remaining arguments */
opt_cmd = argv;
- if (!opt_title && !opt_line)
- opt_title = basename(xstrdup(argv[0]));
- }
+
+ if (!opt_title)
+ opt_title = (opt_line || !opt_cmd) ? "st" : opt_cmd[0];
+
setlocale(LC_CTYPE, "");
XSetLocaleModifiers("");
- tnew(MAX(cols, 1), MAX(rows, 1));
- xinit();
+ cols = MAX(cols, 1);
+ rows = MAX(rows, 1);
+ tnew(cols, rows);
+ xinit(cols, rows);
xsetenv();
selinit();
run();