#include <X11/Xutil.h>
#include <X11/cursorfont.h>
#include <X11/keysym.h>
-#include <X11/extensions/Xdbe.h>
#include <X11/Xft/Xft.h>
#include <fontconfig/fontconfig.h>
#endif
#define USAGE \
- "st " VERSION " (c) 2010-2012 st engineers\n" \
+ "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"
#define DRAW_BUF_SIZ 20*1024
#define XK_ANY_MOD UINT_MAX
#define XK_NO_MOD 0
+#define XK_SWITCH_MOD (1<<13)
#define REDRAW_TIMEOUT (80*1000) /* 80 ms */
MODE_KBDLOCK = 256,
MODE_HIDE = 512,
MODE_ECHO = 1024,
- MODE_APPCURSOR = 2048
+ MODE_APPCURSOR = 2048,
+ MODE_MOUSESGR = 4096,
};
enum escape_state {
WIN_FOCUSED = 4
};
+enum selection_type {
+ SEL_REGULAR = 1,
+ SEL_RECTANGULAR = 2
+};
+
/* bit macro */
#undef B0
enum { B0=1, B1=2, B2=4, B3=8, B4=16, B5=32, B6=64, B7=128 };
uchar state; /* state flags */
} Glyph;
-typedef Glyph* Line;
+typedef Glyph *Line;
typedef struct {
Glyph attr; /* current char attributes */
bool isfixed; /* is fixed geometry? */
int fx, fy, fw, fh; /* fixed geometry */
int tw, th; /* tty width and height */
- int w; /* window width */
- int h; /* window height */
+ int w, h; /* window width and height */
int ch; /* char height */
int cw; /* char width */
char state; /* focus, redraw, visible */
/* TODO: use better name for vars... */
typedef struct {
int mode;
+ int type;
int bx, by;
int ex, ey;
struct {
} Shortcut;
/* function definitions used in config.h */
-static void xzoom(const Arg *);
-static void selpaste(const Arg *);
+static void clippaste(const Arg *);
static void numlock(const Arg *);
+static void selpaste(const Arg *);
+static void xzoom(const Arg *);
/* Config.h for applying patches and the configuration. */
#include "config.h"
typedef struct {
Colour col[LEN(colorname) < 256 ? 256 : LEN(colorname)];
Font font, bfont, ifont, ibfont;
+ GC gc;
} DC;
static void die(const char *, ...);
static void draw(void);
-static void redraw(void);
+static void redraw(int);
static void drawregion(int, int, int, int);
static void execsh(void);
static void sigchld(int);
static void strparse(void);
static void strreset(void);
-static void tclearregion(int, int, int, int);
+static void tclearregion(int, int, int, int, int);
static void tcursor(int);
static void tdeletechar(int);
static void tdeleteline(int);
static void xdrawcursor(void);
static void xinit(void);
static void xloadcols(void);
+static int xsetcolorname(int, const char *);
static int xloadfont(Font *, FcPattern *);
static void xloadfonts(char *, int);
+static void xsettitle(char *);
static void xresettitle(void);
static void xseturgency(int);
static void xsetsel(char*);
static char *opt_class = NULL;
static char *opt_font = NULL;
-bool usedbe = False;
-
static char *usedfont = NULL;
static int usedfontsize = 0;
|| (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:
+ return ((sel.b.y <= y && y <= sel.e.y)
+ && (sel.b.x <= x && x <= sel.e.x));
+ };
}
void
getbuttoninfo(XEvent *e) {
+ int type;
+ uint state = e->xbutton.state &~Button1Mask;
+
sel.alt = IS_SET(MODE_ALTSCREEN);
sel.ex = x2col(e->xbutton.x);
sel.b.y = MIN(sel.by, sel.ey);
sel.e.x = sel.by < sel.ey ? sel.ex : sel.bx;
sel.e.y = MAX(sel.by, sel.ey);
+
+ sel.type = SEL_REGULAR;
+ for(type = 1; type < LEN(selmasks); ++type) {
+ if(match(selmasks[type], state)) {
+ sel.type = type;
+ break;
+ }
+ }
}
void
mousereport(XEvent *e) {
- int x = x2col(e->xbutton.x);
- int y = y2row(e->xbutton.y);
- int button = e->xbutton.button;
- int state = e->xbutton.state;
- char buf[] = { '\033', '[', 'M', 0, 32+x+1, 32+y+1 };
+ int x = x2col(e->xbutton.x), y = y2row(e->xbutton.y),
+ button = e->xbutton.button, state = e->xbutton.state,
+ len;
+ char buf[40];
static int ob, ox, oy;
/* from urxvt */
return;
button = ob + 32;
ox = x, oy = y;
- } else if(e->xbutton.type == ButtonRelease || button == AnyButton) {
+ } else if(!IS_SET(MODE_MOUSESGR)
+ && (e->xbutton.type == ButtonRelease
+ || button == AnyButton)) {
button = 3;
} else {
button -= Button1;
}
}
- buf[3] = 32 + button + (state & ShiftMask ? 4 : 0)
+ button += (state & ShiftMask ? 4 : 0)
+ (state & Mod4Mask ? 8 : 0)
+ (state & ControlMask ? 16 : 0);
- ttywrite(buf, sizeof(buf));
+ len = 0;
+ if(IS_SET(MODE_MOUSESGR)) {
+ len = snprintf(buf, sizeof(buf), "\033[<%d;%d;%d%c",
+ button, x+1, y+1,
+ e->xbutton.type == ButtonRelease ? 'm' : 'M');
+ } else if(x < 223 && y < 223) {
+ len = snprintf(buf, sizeof(buf), "\033[M%c%c%c",
+ 32+button, 32+x+1, 32+y+1);
+ } else {
+ return;
+ }
+
+ ttywrite(buf, len);
}
void
draw();
}
sel.mode = 1;
+ sel.type = SEL_REGULAR;
sel.ex = sel.bx = x2col(e->xbutton.x);
sel.ey = sel.by = y2row(e->xbutton.y);
} else if(e->xbutton.button == Button4) {
ptr = str = xmalloc(bufsize);
/* append every set & selected glyph to the selection */
- for(y = 0; y < term.row; y++) {
+ for(y = sel.b.y; y < sel.e.y + 1; y++) {
+ is_selected = 0;
gp = &term.line[y][0];
last = gp + term.col;
/* nothing */;
for(x = 0; gp <= last; x++, ++gp) {
- if(!(is_selected = selected(x, y)))
+ if(!selected(x, y)) {
continue;
+ } else {
+ is_selected = 1;
+ }
p = (gp->state & GLYPH_SET) ? gp->c : " ";
size = utf8size(p);
xw.win, CurrentTime);
}
-void selclear(XEvent *e) {
+void
+clippaste(const Arg *dummy) {
+ Atom clipboard;
+
+ clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
+ XConvertSelection(xw.dpy, clipboard, sel.xtarget, XA_PRIMARY,
+ xw.win, CurrentTime);
+}
+
+void
+selclear(XEvent *e) {
if(sel.bx == -1)
return;
sel.bx = -1;
void
bmotion(XEvent *e) {
- int starty, endy, oldey, oldex;
+ int oldey, oldex, oldsby, oldsey;
if(IS_SET(MODE_MOUSE)) {
mousereport(e);
oldey = sel.ey;
oldex = sel.ex;
+ oldsby = sel.b.y;
+ oldsey = sel.e.y;
getbuttoninfo(e);
if(oldey != sel.ey || oldex != sel.ex) {
- starty = MIN(oldey, sel.ey);
- endy = MAX(oldey, sel.ey);
- tsetdirt(starty, endy);
+ tsetdirt(MIN(sel.b.y, oldsby), MAX(sel.e.y, oldsey));
}
}
term.bot = term.row - 1;
term.mode = MODE_WRAP;
- tclearregion(0, 0, term.col-1, term.row-1);
+ tclearregion(0, 0, term.col-1, term.row-1, 0);
tmoveto(0, 0);
tcursor(CURSOR_SAVE);
}
LIMIT(n, 0, term.bot-orig+1);
- tclearregion(0, term.bot-n+1, term.col-1, term.bot);
+ tclearregion(0, term.bot-n+1, term.col-1, term.bot, 0);
for(i = term.bot; i >= orig+n; i--) {
temp = term.line[i];
Line temp;
LIMIT(n, 0, term.bot-orig+1);
- tclearregion(0, orig, term.col-1, orig+n-1);
+ tclearregion(0, orig, term.col-1, orig+n-1, 0);
for(i = orig; i <= term.bot-n; i++) {
temp = term.line[i];
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;
- }
+ switch(sel.type) {
+ case SEL_REGULAR:
+ 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;
+ }
+ 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;
}
}
void
-tclearregion(int x1, int y1, int x2, int y2) {
+tclearregion(int x1, int y1, int x2, int y2, int bce) {
int x, y, temp;
if(x1 > x2)
for(y = y1; y <= y2; y++) {
term.dirty[y] = 1;
- for(x = x1; x <= x2; x++)
- term.line[y][x].state = 0;
+ for(x = x1; x <= x2; x++) {
+ if(bce) {
+ term.line[y][x] = term.c.attr;
+ memcpy(term.line[y][x].c, " ", 2);
+ term.line[y][x].state |= GLYPH_SET;
+ } else {
+ term.line[y][x].state = 0;
+ }
+ }
}
}
term.dirty[term.c.y] = 1;
if(src >= term.col) {
- tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
+ tclearregion(term.c.x, term.c.y, term.col-1, term.c.y, 0);
return;
}
memmove(&term.line[term.c.y][dst], &term.line[term.c.y][src],
size * sizeof(Glyph));
- tclearregion(term.col-n, term.c.y, term.col-1, term.c.y);
+ tclearregion(term.col-n, term.c.y, term.col-1, term.c.y, 0);
}
void
term.dirty[term.c.y] = 1;
if(dst >= term.col) {
- tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
+ tclearregion(term.c.x, term.c.y, term.col-1, term.c.y, 0);
return;
}
memmove(&term.line[term.c.y][dst], &term.line[term.c.y][src],
size * sizeof(Glyph));
- tclearregion(src, term.c.y, dst - 1, term.c.y);
+ tclearregion(src, term.c.y, dst - 1, term.c.y, 0);
}
void
case 4:
term.c.attr.mode |= ATTR_UNDERLINE;
break;
- case 5:
+ case 5: /* slow blink */
+ case 6: /* rapid blink */
term.c.attr.mode |= ATTR_BLINK;
break;
case 7:
term.c.attr.mode &= ~ATTR_UNDERLINE;
break;
case 25:
+ case 26:
term.c.attr.mode &= ~ATTR_BLINK;
break;
case 27:
mode = term.mode;
MODBIT(term.mode, set, MODE_REVERSE);
if(mode != term.mode)
- redraw();
+ redraw(REDRAW_TIMEOUT);
break;
case 6: /* DECOM -- Origin */
MODBIT(term.c.state, set, CURSOR_ORIGIN);
break;
case 1000: /* 1000,1002: enable xterm mouse report */
MODBIT(term.mode, set, MODE_MOUSEBTN);
+ MODBIT(term.mode, 0, MODE_MOUSEMOTION);
break;
case 1002:
MODBIT(term.mode, set, MODE_MOUSEMOTION);
+ MODBIT(term.mode, 0, MODE_MOUSEBTN);
+ break;
+ case 1006:
+ MODBIT(term.mode, set, MODE_MOUSESGR);
break;
case 1049: /* = 1047 and 1048 */
case 47:
case 1047: {
alt = IS_SET(MODE_ALTSCREEN);
- if(alt)
- tclearregion(0, 0, term.col-1, term.row-1);
+ if(alt) {
+ tclearregion(0, 0, term.col-1,
+ term.row-1, 0);
+ }
if(set ^ alt) /* set is always 1 or 0 */
tswapscreen();
if(*args != 1049)
tmoveto(0, term.c.y-csiescseq.arg[0]);
break;
case 'g': /* TBC -- Tabulation clear */
- switch (csiescseq.arg[0]) {
+ switch(csiescseq.arg[0]) {
case 0: /* clear current tab stop */
term.tabs[term.c.x] = 0;
break;
sel.bx = -1;
switch(csiescseq.arg[0]) {
case 0: /* below */
- tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
- if(term.c.y < term.row-1)
- tclearregion(0, term.c.y+1, term.col-1, term.row-1);
+ tclearregion(term.c.x, term.c.y, term.col-1, term.c.y, 1);
+ if(term.c.y < term.row-1) {
+ tclearregion(0, term.c.y+1, term.col-1,
+ term.row-1, 1);
+ }
break;
case 1: /* above */
if(term.c.y > 1)
- tclearregion(0, 0, term.col-1, term.c.y-1);
- tclearregion(0, term.c.y, term.c.x, term.c.y);
+ tclearregion(0, 0, term.col-1, term.c.y-1, 1);
+ tclearregion(0, term.c.y, term.c.x, term.c.y, 1);
break;
case 2: /* all */
- tclearregion(0, 0, term.col-1, term.row-1);
+ tclearregion(0, 0, term.col-1, term.row-1, 1);
break;
default:
goto unknown;
case 'K': /* EL -- Clear line */
switch(csiescseq.arg[0]) {
case 0: /* right */
- tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
+ tclearregion(term.c.x, term.c.y, term.col-1,
+ term.c.y, 1);
break;
case 1: /* left */
- tclearregion(0, term.c.y, term.c.x, term.c.y);
+ tclearregion(0, term.c.y, term.c.x, term.c.y, 1);
break;
case 2: /* all */
- tclearregion(0, term.c.y, term.col-1, term.c.y);
+ tclearregion(0, term.c.y, term.col-1, term.c.y, 1);
break;
}
break;
break;
case 'X': /* ECH -- Erase <n> char */
DEFAULT(csiescseq.arg[0], 1);
- tclearregion(term.c.x, term.c.y, term.c.x + csiescseq.arg[0], term.c.y);
+ tclearregion(term.c.x, term.c.y,
+ term.c.x + csiescseq.arg[0] - 1, term.c.y, 1);
break;
case 'P': /* DCH -- Delete <n> char */
DEFAULT(csiescseq.arg[0], 1);
void
strhandle(void) {
- char *p;
+ char *p = NULL;
+ int i, j, narg;
- /*
- * TODO: make this being useful in case of color palette change.
- */
strparse();
-
- p = strescseq.buf;
+ narg = strescseq.narg;
switch(strescseq.type) {
case ']': /* OSC -- Operating System Command */
- switch(p[0]) {
- case '0':
- case '1':
- case '2':
- /*
- * TODO: Handle special chars in string, like umlauts.
- */
- if(p[1] == ';') {
- XStoreName(xw.dpy, xw.win, strescseq.buf+2);
- }
- break;
- case ';':
- XStoreName(xw.dpy, xw.win, strescseq.buf+1);
+ switch(i = atoi(strescseq.args[0])) {
+ case 0:
+ case 1:
+ case 2:
+ if(narg > 1)
+ xsettitle(strescseq.args[1]);
break;
- case '4': /* TODO: Set color (arg0) to "rgb:%hexr/$hexg/$hexb" (arg1) */
+ case 4: /* color set */
+ if(narg < 3)
+ break;
+ p = strescseq.args[2];
+ /* fall through */
+ case 104: /* color reset, here p = NULL */
+ j = (narg > 1) ? atoi(strescseq.args[1]) : -1;
+ if (!xsetcolorname(j, p)) {
+ fprintf(stderr, "erresc: invalid color %s\n", p);
+ } else {
+ /*
+ * TODO if defaultbg color is changed, borders
+ * are dirty
+ */
+ redraw(0);
+ }
break;
default:
fprintf(stderr, "erresc: unknown str ");
}
break;
case 'k': /* old title set compatibility */
- XStoreName(xw.dpy, xw.win, strescseq.buf);
+ xsettitle(strescseq.args[0]);
break;
case 'P': /* DSC -- Device Control String */
case '_': /* APC -- Application Program Command */
* TODO: Implement parsing like for CSI when required.
* Format: ESC type cmd ';' arg0 [';' argn] ESC \
*/
- return;
+ int narg = 0;
+ char *start = strescseq.buf, *end = start + strescseq.len;
+ strescseq.args[0] = start;
+ while(start < end && narg < LEN(strescseq.args)) {
+ start = memchr(start, ';', end - start);
+ if(!start)
+ break;
+ *start++ = '\0';
+ if(start < end) {
+ strescseq.args[++narg] = start;
+ }
+ }
+ strescseq.narg = narg + 1;
}
void
if(c == '\033') { /* escape */
tputc("^", 1);
tputc("[", 1);
- } else if (c < '\x20') { /* control code */
+ } else if(c < '\x20') { /* control code */
if(c != '\n' && c != '\r' && c != '\t') {
c |= '\x40';
tputc("^", 1);
break;
}
}
- if (len)
+ if(len)
tputc(buf, len);
}
bool control = ascii < '\x20' || ascii == 0177;
if(iofd != -1) {
- if (xwrite(iofd, c, len) < 0) {
+ if(xwrite(iofd, c, len) < 0) {
fprintf(stderr, "Error writing in %s:%s\n",
opt_io, strerror(errno));
close(iofd);
term.esc = ESC_START;
return;
case '\016': /* SO */
- term.c.attr.mode |= ATTR_GFX;
- return;
case '\017': /* SI */
- term.c.attr.mode &= ~ATTR_GFX;
+ /*
+ * Different charsets are hard to handle. Applications
+ * should use the right alt charset escapes for the
+ * only reason they still exist: line drawing. The
+ * rest is incompatible history st should not support.
+ */
return;
case '\032': /* SUB */
case '\030': /* CAN */
/* free unneeded rows */
i = 0;
if(slide > 0) {
- /* slide screen to keep cursor where we expect it -
+ /*
+ * slide screen to keep cursor where we expect it -
* tscrollup would work here, but we can optimize to
- * memmove because we're freeing the earlier lines */
+ * memmove because we're freeing the earlier lines
+ */
for(/* i = 0 */; i < slide; i++) {
free(term.line[i]);
free(term.alt[i]);
xw.tw = MAX(1, col * xw.cw);
xw.th = MAX(1, row * xw.ch);
+ 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);
}
+static inline ushort
+sixd_to_16bit(int x) {
+ return x == 0 ? 0 : 0x3737 + 0x2828 * x;
+}
+
void
xloadcols(void) {
int i, r, g, b;
- XRenderColor color = { .alpha = 0 };
+ XRenderColor color = { .alpha = 0xffff };
/* load colors [0-15] colors and [256-LEN(colorname)[ (config.h) */
for(i = 0; i < LEN(colorname); i++) {
for(i = 16, r = 0; r < 6; r++) {
for(g = 0; g < 6; g++) {
for(b = 0; b < 6; b++) {
- color.red = r == 0 ? 0 : 0x3737 + 0x2828 * r;
- color.green = g == 0 ? 0 : 0x3737 + 0x2828 * g;
- color.blue = b == 0 ? 0 : 0x3737 + 0x2828 * b;
+ color.red = sixd_to_16bit(r);
+ color.green = sixd_to_16bit(g);
+ color.blue = sixd_to_16bit(b);
if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &dc.col[i])) {
die("Could not allocate color %d\n", i);
}
}
}
+int
+xsetcolorname(int x, const char *name) {
+ XRenderColor color = { .alpha = 0xffff };
+ Colour colour;
+ if (x < 0 || x > LEN(colorname))
+ return -1;
+ if(!name) {
+ if(16 <= x && x < 16 + 216) {
+ int r = (x - 16) / 36, g = ((x - 16) % 36) / 6, b = (x - 16) % 6;
+ color.red = sixd_to_16bit(r);
+ color.green = sixd_to_16bit(g);
+ color.blue = sixd_to_16bit(b);
+ if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &colour))
+ return 0; /* something went wrong */
+ dc.col[x] = colour;
+ return 1;
+ } else if (16 + 216 <= x && x < 256) {
+ color.red = color.green = color.blue = 0x0808 + 0x0a0a * (x - (16 + 216));
+ if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &colour))
+ return 0; /* something went wrong */
+ dc.col[x] = colour;
+ return 1;
+ } else {
+ name = colorname[x];
+ }
+ }
+ if(!XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, &colour))
+ return 0;
+ dc.col[x] = colour;
+ return 1;
+}
+
void
xtermclear(int col1, int row1, int col2, int row2) {
XftDrawRect(xw.draw,
xw.cw = dc.font.width;
xw.ch = dc.font.height;
- FcPatternDel(pattern, FC_WEIGHT);
- FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD);
- if(xloadfont(&dc.bfont, pattern))
- die("st: can't open font %s\n", fontstr);
-
FcPatternDel(pattern, FC_SLANT);
FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC);
- if(xloadfont(&dc.ibfont, pattern))
+ if(xloadfont(&dc.ifont, pattern))
die("st: can't open font %s\n", fontstr);
FcPatternDel(pattern, FC_WEIGHT);
- if(xloadfont(&dc.ifont, pattern))
+ FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD);
+ if(xloadfont(&dc.ibfont, pattern))
+ die("st: 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);
FcPatternDestroy(pattern);
}
void
-xunloadfonts(void)
-{
+xunloadfonts(void) {
int i, ip;
/*
* Free the loaded fonts in the font cache. This is done backwards
* from the frccur.
*/
- for (i = 0, ip = frccur; i < frclen; i++, ip--) {
- if (ip < 0)
+ for(i = 0, ip = frccur; i < frclen; i++, ip--) {
+ if(ip < 0)
ip = LEN(frc) - 1;
XftFontClose(xw.dpy, frc[ip].font);
}
}
void
-xzoom(const Arg *arg)
-{
+xzoom(const Arg *arg) {
xunloadfonts();
xloadfonts(usedfont, usedfontsize + arg->i);
cresize(0, 0);
- draw();
+ redraw(0);
}
void
xinit(void) {
XSetWindowAttributes attrs;
+ XGCValues gcvalues;
Cursor cursor;
Window parent;
- int sw, sh, major, minor;
+ int sw, sh;
if(!(xw.dpy = XOpenDisplay(NULL)))
die("Can't open display\n");
xw.vis = XDefaultVisual(xw.dpy, xw.scr);
/* font */
- if (!FcInit())
+ if(!FcInit())
die("Could not init fontconfig.\n");
usedfont = (opt_font == NULL)? font : opt_font;
xw.fy = 0;
}
+ /* Events */
attrs.background_pixel = dc.col[defaultbg].pixel;
attrs.border_pixel = dc.col[defaultbg].pixel;
attrs.bit_gravity = NorthWestGravity;
| CWColormap,
&attrs);
- /* double buffering */
- if(XdbeQueryExtension(xw.dpy, &major, &minor)) {
- xw.buf = XdbeAllocateBackBufferName(xw.dpy, xw.win,
- XdbeBackground);
- usedbe = True;
- } else {
- xw.buf = xw.win;
- }
+ memset(&gcvalues, 0, sizeof(gcvalues));
+ gcvalues.graphics_exposures = False;
+ dc.gc = XCreateGC(xw.dpy, parent, GCGraphicsExposures,
+ &gcvalues);
+ xw.buf = XCreatePixmap(xw.dpy, xw.win, xw.w, xw.h,
+ DefaultDepth(xw.dpy, xw.scr));
+ XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel);
+ XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, xw.w, xw.h);
/* Xft rendering context */
- xw.draw = XftDrawCreate(xw.dpy, xw.win, xw.vis, xw.cmap);
+ xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap);
/* input methods */
if((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
XftDrawRect(xw.draw, bg, winx, winy, width, xw.ch);
fcsets[0] = font->set;
- for (xp = winx; bytelen > 0;) {
+ for(xp = winx; bytelen > 0;) {
/*
* Search for the range in the to be printed string of glyphs
* that are in the main font. Then print that range. If
u8fs = s;
u8fblen = 0;
u8fl = 0;
- for (;;) {
+ for(;;) {
u8c = s;
u8cblen = utf8decode(s, &u8char);
s += u8cblen;
bytelen -= u8cblen;
doesexist = XftCharIndex(xw.dpy, font->match, u8char);
- if (!doesexist || bytelen <= 0) {
- if (bytelen <= 0) {
- if (doesexist) {
+ if(!doesexist || bytelen <= 0) {
+ if(bytelen <= 0) {
+ if(doesexist) {
u8fl++;
u8fblen += u8cblen;
}
}
- if (u8fl > 0) {
+ if(u8fl > 0) {
XftDrawStringUtf8(xw.draw, fg,
font->match, xp,
winy + font->ascent,
u8fl++;
u8fblen += u8cblen;
}
- if (doesexist)
+ if(doesexist)
break;
frp = frccur;
/* Search the font cache. */
- for (i = 0; i < frclen; i++, frp--) {
- if (frp <= 0)
+ for(i = 0; i < frclen; i++, frp--) {
+ if(frp <= 0)
frp = LEN(frc) - 1;
- if (frc[frp].c == u8char
+ if(frc[frp].c == u8char
&& frc[frp].flags == frcflags) {
break;
}
}
/* Nothing was found. */
- if (i >= frclen) {
+ if(i >= frclen) {
/*
* Nothing was found in the cache. Now use
* some dozen of Fontconfig calls to get the
*/
frccur++;
frclen++;
- if (frccur >= LEN(frc))
+ if(frccur >= LEN(frc))
frccur = 0;
- if (frclen > LEN(frc)) {
+ if(frclen > LEN(frc)) {
frclen = LEN(frc);
XftFontClose(xw.dpy, frc[frccur].font);
}
}
}
+
+void
+xsettitle(char *p) {
+ XTextProperty prop;
+
+ Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
+ &prop);
+ XSetWMName(xw.dpy, xw.win, &prop);
+}
+
void
xresettitle(void) {
- XStoreName(xw.dpy, xw.win, opt_title ? opt_title : "st");
+ xsettitle(opt_title ? opt_title : "st");
}
void
-redraw(void) {
- struct timespec tv = {0, REDRAW_TIMEOUT * 1000};
+redraw(int timeout) {
+ struct timespec tv = {0, timeout * 1000};
tfulldirt();
draw();
- XSync(xw.dpy, False); /* necessary for a good tput flash */
- nanosleep(&tv, NULL);
+
+ if(timeout > 0) {
+ nanosleep(&tv, NULL);
+ XSync(xw.dpy, False); /* necessary for a good tput flash */
+ }
}
void
draw(void) {
- XdbeSwapInfo swpinfo[1] = {{xw.win, XdbeCopied}};
-
drawregion(0, 0, term.col, term.row);
- if(usedbe)
- XdbeSwapBuffers(xw.dpy, swpinfo, 1);
+ XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, 0, 0, xw.w,
+ xw.h, 0, 0);
+ XSetForeground(xw.dpy, dc.gc,
+ dc.col[IS_SET(MODE_REVERSE)?
+ defaultfg : defaultbg].pixel);
}
void
ox = x;
base = new;
}
+
sl = utf8size(new.c);
memcpy(buf+ib, new.c, sl);
ib += sl;
if(!e->count)
xw.state &= ~WIN_REDRAW;
}
+ redraw(0);
}
void
void
focus(XEvent *ev) {
+ XFocusChangeEvent *e = &ev->xfocus;
+
+ if(e->mode == NotifyGrab)
+ return;
+
if(ev->type == FocusIn) {
XSetICFocus(xw.xic);
xw.state |= WIN_FOCUSED;
inline bool
match(uint mask, uint state) {
+ state &= ~(ignoremod);
+
if(mask == XK_NO_MOD && state)
return false;
if(mask != XK_ANY_MOD && mask != XK_NO_MOD && !state)
Status status;
Shortcut *bp;
- if (IS_SET(MODE_KBDLOCK))
+ if(IS_SET(MODE_KBDLOCK))
return;
len = XmbLookupString(xw.xic, e, xstr, sizeof(xstr), &ksym, &status);
if(len == 0)
return;
- if (len == 1 && e->state & Mod1Mask)
+ if(len == 1 && e->state & Mod1Mask)
*cp++ = '\033';
memcpy(cp, xstr, len);
void
cmessage(XEvent *e) {
- /* See xembed specs
- http://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html */
+ /*
+ * 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;
}
void
-cresize(int width, int height)
-{
+cresize(int width, int height) {
int col, row;
if(width != 0)
run(void) {
XEvent ev;
fd_set rfd;
- int xfd = XConnectionNumber(xw.dpy), i;
- struct timeval drawtimeout, *tv = NULL;
+ int xfd = XConnectionNumber(xw.dpy), xev;
+ struct timeval drawtimeout, *tv = NULL, now, last;
- for(i = 0;; i++) {
+ gettimeofday(&last, NULL);
+
+ for(xev = actionfps;;) {
FD_ZERO(&rfd);
FD_SET(cmdfd, &rfd);
FD_SET(xfd, &rfd);
die("select failed: %s\n", SERRNO);
}
- /*
- * Stop after a certain number of reads so the user does not
- * feel like the system is stuttering.
- */
- if(i < 1000 && FD_ISSET(cmdfd, &rfd)) {
+ gettimeofday(&now, NULL);
+ drawtimeout.tv_sec = 0;
+ drawtimeout.tv_usec = (1000/xfps) * 1000;
+ tv = &drawtimeout;
+
+ if(FD_ISSET(cmdfd, &rfd))
ttyread();
- /*
- * Just wait a bit so it isn't disturbing the
- * user and the system is able to write something.
- */
- drawtimeout.tv_sec = 0;
- drawtimeout.tv_usec = 5;
- tv = &drawtimeout;
- continue;
- }
- i = 0;
- tv = NULL;
+ if(FD_ISSET(xfd, &rfd))
+ xev = actionfps;
- while(XPending(xw.dpy)) {
- XNextEvent(xw.dpy, &ev);
- if(XFilterEvent(&ev, None))
- continue;
- if(handler[ev.type])
- (handler[ev.type])(&ev);
- }
+ if(TIMEDIFF(now, last) > \
+ (xev ? (1000/xfps) : (1000/actionfps))) {
+ while(XPending(xw.dpy)) {
+ XNextEvent(xw.dpy, &ev);
+ if(XFilterEvent(&ev, None))
+ continue;
+ if(handler[ev.type])
+ (handler[ev.type])(&ev);
+ }
- draw();
- XFlush(xw.dpy);
+ draw();
+ XFlush(xw.dpy);
+ last = now;
+
+ if(xev && !FD_ISSET(xfd, &rfd))
+ xev--;
+ if(!FD_ISSET(cmdfd, &rfd) && !FD_ISSET(xfd, &rfd))
+ tv = NULL;
+ }
}
}
Got questions, comments, patches, etc.? Contact Jason Woofenden