#endif
#define USAGE \
- "st-" VERSION ", (c) 2010-2011 st engineers\n" \
- "usage: st [-t title] [-c class] [-v] [-e command...]\n"
+ "st " VERSION " (c) 2010-2011 st engineers\n" \
+ "usage: st [-t title] [-c class] [-w windowid] [-v] [-e command...]\n"
+
+/* XEMBED messages */
+#define XEMBED_FOCUS_IN 4
+#define XEMBED_FOCUS_OUT 5
/* Arbitrary sizes */
#define ESC_TITLE_SIZ 256
#define ESC_ARG_SIZ 16
#define DRAW_BUF_SIZ 1024
#define UTF_SIZ 4
+#define XK_NO_MOD UINT_MAX
+#define XK_ANY_MOD 0
#define SERRNO strerror(errno)
#define MIN(a, b) ((a) < (b) ? (a) : (b))
enum { CURSOR_DEFAULT = 0, CURSOR_HIDE = 1, CURSOR_WRAPNEXT = 2 };
enum { GLYPH_SET=1, GLYPH_DIRTY=2 };
enum { MODE_WRAP=1, MODE_INSERT=2, MODE_APPKEYPAD=4, MODE_ALTSCREEN=8,
- MODE_CRLF=16, MODE_MOUSE=32 };
+ MODE_CRLF=16, MODE_MOUSEBTN=32, MODE_MOUSEMOTION=64, MODE_MOUSE=32|64, MODE_REVERSE=128 };
enum { ESC_START=1, ESC_CSI=2, ESC_OSC=4, ESC_TITLE=8, ESC_ALTCHARSET=16 };
enum { WIN_VISIBLE=1, WIN_REDRAW=2, WIN_FOCUSED=4 };
Colormap cmap;
Window win;
Pixmap buf;
+ Atom xembed;
XIM xim;
XIC xic;
int scr;
static void unmap(XEvent *);
static char* kmap(KeySym, unsigned int state);
static void kpress(XEvent *);
+static void cmessage(XEvent *);
static void resize(XEvent *);
static void focus(XEvent *);
static void brelease(XEvent *);
static inline int selected(int, int);
static void selcopy(void);
static void selpaste();
+static void selscroll(int, int);
static int utf8decode(char *, long *);
static int utf8encode(long *, char *);
static void (*handler[LASTEvent])(XEvent *) = {
[KeyPress] = kpress,
+ [ClientMessage] = cmessage,
[ConfigureNotify] = resize,
[VisibilityNotify] = visibility,
[UnmapNotify] = unmap,
static Selection sel;
static char **opt_cmd = NULL;
static char *opt_title = NULL;
+static char *opt_embed = NULL;
static char *opt_class = NULL;
int
int button = e->xbutton.button;
int state = e->xbutton.state;
char buf[] = { '\033', '[', 'M', 0, 32+x+1, 32+y+1 };
-
- if(!IS_SET(MODE_MOUSE))
- return;
+ static int ob, ox, oy;
/* from urxvt */
- if(e->xbutton.type == ButtonRelease || button == AnyButton)
+ if(e->xbutton.type == MotionNotify) {
+ if(!IS_SET(MODE_MOUSEMOTION) || (x == ox && y == oy))
+ return;
+ button = ob + 32;
+ ox = x, oy = y;
+ } else if(e->xbutton.type == ButtonRelease || button == AnyButton) {
button = 3;
- else {
+ } else {
button -= Button1;
if(button >= 3)
button += 64 - 3;
+ if(e->xbutton.type == ButtonPress) {
+ ob = button;
+ ox = x, oy = y;
+ }
}
buf[3] = 32 + button + (state & ShiftMask ? 4 : 0)
void
bpress(XEvent *e) {
- mousereport(e);
- sel.mode = 1;
- sel.ex = sel.bx = X2COL(e->xbutton.x);
- sel.ey = sel.by = Y2ROW(e->xbutton.y);
+ if(IS_SET(MODE_MOUSE))
+ mousereport(e);
+ else if(e->xbutton.button == Button1) {
+ sel.mode = 1;
+ sel.ex = sel.bx = X2COL(e->xbutton.x);
+ sel.ey = sel.by = Y2ROW(e->xbutton.y);
+ }
}
void
void
selnotify(XEvent *e) {
- unsigned long nitems;
- unsigned long ofs, rem;
+ unsigned long nitems, ofs, rem;
int format;
unsigned char *data;
Atom type;
void
brelease(XEvent *e) {
- int b;
-
- sel.mode = 0;
- getbuttoninfo(e, &b, &sel.ex, &sel.ey);
- mousereport(e);
- if(sel.bx == sel.ex && sel.by == sel.ey) {
- sel.bx = -1;
- if(b == 2)
- selpaste();
- else if(b == 1) {
+ if(IS_SET(MODE_MOUSE)) {
+ mousereport(e);
+ return;
+ }
+ if(e->xbutton.button == Button2)
+ selpaste();
+ else if(e->xbutton.button == Button1) {
+ sel.mode = 0;
+ getbuttoninfo(e, NULL, &sel.ex, &sel.ey);
+ if(sel.bx == sel.ex && sel.by == sel.ey) {
struct timeval now;
+ sel.bx = -1;
gettimeofday(&now, NULL);
if(TIMEDIFF(now, sel.tclick2) <= TRIPLECLICK_TIMEOUT) {
} else if(TIMEDIFF(now, sel.tclick1) <= DOUBLECLICK_TIMEOUT) {
/* double click to select word */
sel.bx = sel.ex;
- while(term.line[sel.ey][sel.bx-1].state & GLYPH_SET &&
+ while(sel.bx > 0 && term.line[sel.ey][sel.bx-1].state & GLYPH_SET &&
term.line[sel.ey][sel.bx-1].c[0] != ' ') sel.bx--;
sel.b.x = sel.bx;
- while(term.line[sel.ey][sel.ex+1].state & GLYPH_SET &&
+ while(sel.ex < term.col-1 && term.line[sel.ey][sel.ex+1].state & GLYPH_SET &&
term.line[sel.ey][sel.ex+1].c[0] != ' ') sel.ex++;
sel.e.x = sel.ex;
sel.b.y = sel.e.y = sel.ey;
selcopy();
}
- }
- } else if(b == 1)
- selcopy();
+ } else
+ selcopy();
+ }
memcpy(&sel.tclick2, &sel.tclick1, sizeof(struct timeval));
gettimeofday(&sel.tclick1, NULL);
draw();
void
bmotion(XEvent *e) {
+ if(IS_SET(MODE_MOUSE)) {
+ mousereport(e);
+ return;
+ }
if(sel.mode) {
- int oldey = sel.ey,
- oldex = sel.ex;
+ int oldey = sel.ey, oldex = sel.ex;
getbuttoninfo(e, NULL, &sel.ex, &sel.ey);
if(oldey != sel.ey || oldex != sel.ex) {
int starty = MIN(oldey, sel.ey);
int endy = MAX(oldey, sel.ey);
- drawregion(0, (starty > 0 ? starty : 0), term.col, (sel.ey < term.row ? endy+1 : term.row));
+ drawregion(0, (starty > 0 ? starty : 0), term.col, (endy < term.row ? endy+1 : term.row));
}
}
}
term.row = row, term.col = col;
term.line = malloc(term.row * sizeof(Line));
term.alt = malloc(term.row * sizeof(Line));
- for(row = 0 ; row < term.row; row++) {
+ for(row = 0; row < term.row; row++) {
term.line[row] = malloc(term.col * sizeof(Glyph));
term.alt [row] = malloc(term.col * sizeof(Glyph));
}
term.line[i] = term.line[i-n];
term.line[i-n] = temp;
}
+
+ selscroll(orig, n);
}
void
term.line[i] = term.line[i+n];
term.line[i+n] = temp;
}
+
+ selscroll(orig, -n);
+}
+
+void
+selscroll(int orig, int n) {
+ if(sel.bx == -1)
+ return;
+
+ if(BETWEEN(sel.by, orig, term.bot) || BETWEEN(sel.ey, orig, term.bot)) {
+ if((sel.by += n) > term.bot || (sel.ey += n) < term.top) {
+ sel.bx = -1;
+ return;
+ }
+ if(sel.by < term.top) {
+ sel.by = term.top;
+ sel.bx = 0;
+ }
+ if(sel.ey > term.bot) {
+ sel.ey = term.bot;
+ sel.ex = term.col;
+ }
+ sel.b.y = sel.by, sel.b.x = sel.bx;
+ sel.e.y = sel.ey, sel.e.x = sel.ex;
+ }
}
void
break;
/* XXX: (CSI n I) CHT -- Cursor Forward Tabulation <n> tab stops */
case 'J': /* ED -- Clear screen */
+ sel.bx = -1;
switch(escseq.arg[0]) {
case 0: /* below */
tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
case 1:
term.mode &= ~MODE_APPKEYPAD;
break;
- case 5: /* TODO: DECSCNM -- Remove reverse video */
+ case 5: /* DECSCNM -- Remove reverse video */
+ if(IS_SET(MODE_REVERSE)) {
+ term.mode &= ~MODE_REVERSE;
+ draw();
+ }
break;
case 7:
term.mode &= ~MODE_WRAP;
term.c.state |= CURSOR_HIDE;
break;
case 1000: /* disable X11 xterm mouse reporting */
- term.mode &= ~MODE_MOUSE;
+ term.mode &= ~MODE_MOUSEBTN;
+ break;
+ case 1002:
+ term.mode &= ~MODE_MOUSEMOTION;
break;
case 1049: /* = 1047 and 1048 */
+ case 47:
case 1047:
if(IS_SET(MODE_ALTSCREEN)) {
tclearregion(0, 0, term.col-1, term.row-1);
tswapscreen();
}
- if(escseq.arg[0] == 1047)
+ if(escseq.arg[0] != 1049)
break;
case 1048:
tcursor(CURSOR_LOAD);
term.mode |= MODE_APPKEYPAD;
break;
case 5: /* DECSCNM -- Reverve video */
- /* TODO: set REVERSE on the whole screen (f) */
+ if(!IS_SET(MODE_REVERSE)) {
+ term.mode |= MODE_REVERSE;
+ draw();
+ }
break;
case 7:
term.mode |= MODE_WRAP;
case 25:
term.c.state &= ~CURSOR_HIDE;
break;
- case 1000: /* enable X11 xterm mouse reporting */
- term.mode |= MODE_MOUSE;
+ case 1000: /* 1000,1002: enable xterm mouse report */
+ term.mode |= MODE_MOUSEBTN;
+ break;
+ case 1002:
+ term.mode |= MODE_MOUSEMOTION;
break;
case 1049: /* = 1047 and 1048 */
+ case 47:
case 1047:
if(IS_SET(MODE_ALTSCREEN))
tclearregion(0, 0, term.col-1, term.row-1);
else
tswapscreen();
- if(escseq.arg[0] == 1047)
+ if(escseq.arg[0] != 1049)
break;
case 1048:
tcursor(CURSOR_SAVE);
}
}
} else {
+ if(sel.bx != -1 && BETWEEN(term.c.y, sel.by, sel.ey)) sel.bx = -1;
switch(ascii) {
case '\t':
tputtab();
XColor color;
unsigned long white = WhitePixel(xw.dpy, xw.scr);
- for(i = 0; i < 16; i++) {
+ for(i = 0; i < LEN(colorname); i++) {
if(!XAllocNamedColor(xw.dpy, xw.cmap, colorname[i], &color, &color)) {
dc.col[i] = white;
fprintf(stderr, "Could not allocate color '%s'\n", colorname[i]);
void
xclear(int x1, int y1, int x2, int y2) {
- XSetForeground(xw.dpy, dc.gc, dc.col[DefaultBG]);
+ XSetForeground(xw.dpy, dc.gc, dc.col[IS_SET(MODE_REVERSE) ? DefaultFG : DefaultBG]);
XFillRectangle(xw.dpy, xw.buf, dc.gc,
x1 * xw.cw, y1 * xw.ch,
(x2-x1+1) * xw.cw, (y2-y1+1) * xw.ch);
xinit(void) {
XSetWindowAttributes attrs;
Cursor cursor;
+ Window parent;
if(!(xw.dpy = XOpenDisplay(NULL)))
die("Can't open display\n");
xloadcols();
/* window - default size */
- xw.bufh = 24 * xw.ch;
- xw.bufw = 80 * xw.cw;
+ xw.bufh = term.row * xw.ch;
+ xw.bufw = term.col * xw.cw;
xw.h = xw.bufh + 2*BORDER;
xw.w = xw.bufw + 2*BORDER;
attrs.bit_gravity = NorthWestGravity;
attrs.event_mask = FocusChangeMask | KeyPressMask
| ExposureMask | VisibilityChangeMask | StructureNotifyMask
- | PointerMotionMask | ButtonPressMask | ButtonReleaseMask;
+ | ButtonMotionMask | ButtonPressMask | ButtonReleaseMask
+ | EnterWindowMask | LeaveWindowMask;
attrs.colormap = xw.cmap;
- xw.win = XCreateWindow(xw.dpy, XRootWindow(xw.dpy, xw.scr), 0, 0,
+ parent = opt_embed ? strtol(opt_embed, NULL, 0) : XRootWindow(xw.dpy, xw.scr);
+ xw.win = XCreateWindow(xw.dpy, parent, 0, 0,
xw.w, xw.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
XDefaultVisual(xw.dpy, xw.scr),
CWBackPixel | CWBorderPixel | CWBitGravity | CWEventMask
&(XColor){.red = 0xffff, .green = 0xffff, .blue = 0xffff},
&(XColor){.red = 0x0000, .green = 0x0000, .blue = 0x0000});
+ xw.xembed = XInternAtom(xw.dpy, "_XEMBED", False);
+
XStoreName(xw.dpy, xw.win, opt_title ? opt_title : "st");
XMapWindow(xw.dpy, xw.win);
xhints();
void
xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
- unsigned long xfg, xbg;
+ unsigned long xfg = dc.col[base.fg], xbg = dc.col[base.bg], temp;
int winx = x*xw.cw, winy = y*xw.ch + dc.font.ascent, width = charlen*xw.cw;
int i;
+
+ /* only switch default fg/bg if term is in RV mode */
+ if(IS_SET(MODE_REVERSE)) {
+ if(base.fg == DefaultFG)
+ xfg = dc.col[DefaultBG];
+ if(base.bg == DefaultBG)
+ xbg = dc.col[DefaultFG];
+ }
if(base.mode & ATTR_REVERSE)
- xfg = dc.col[base.bg], xbg = dc.col[base.fg];
- else
- xfg = dc.col[base.fg], xbg = dc.col[base.bg];
+ temp = xfg, xfg = xbg, xbg = temp;
XSetBackground(xw.dpy, dc.gc, xbg);
XSetForeground(xw.dpy, dc.gc, xfg);
/* draw the new one */
if(!(term.c.state & CURSOR_HIDE) && (xw.state & WIN_FOCUSED)) {
sl = utf8size(g.c);
+ if(IS_SET(MODE_REVERSE))
+ g.mode |= ATTR_REVERSE, g.fg = DefaultCS, g.bg = DefaultFG;
xdraws(g.c, g, term.c.x, term.c.y, 1, sl);
oldx = term.c.x, oldy = term.c.y;
}
char*
kmap(KeySym k, unsigned int state) {
int i;
- for(i = 0; i < LEN(key); i++)
- if(key[i].k == k && (key[i].mask == 0 || key[i].mask & state))
+ state &= ~Mod2Mask;
+ for(i = 0; i < LEN(key); i++) {
+ unsigned int mask = key[i].mask;
+ if(key[i].k == k && ((state & mask) == mask || (mask == XK_NO_MOD && !state)))
return (char*)key[i].s;
+ }
return NULL;
}
}
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) {
+ xw.state |= WIN_FOCUSED;
+ xseturgency(0);
+ } else if (e->xclient.data.l[1] == XEMBED_FOCUS_OUT) {
+ xw.state &= ~WIN_FOCUSED;
+ }
+ draw();
+ }
+}
+
+void
resize(XEvent *e) {
int col, row;
case 'c':
if(++i < argc) opt_class = argv[i];
break;
+ case 'w':
+ if(++i < argc) opt_embed = argv[i];
+ break;
case 'e':
/* eat every remaining arguments */
if(++i < argc) opt_cmd = &argv[i];
Got questions, comments, patches, etc.? Contact Jason Woofenden