X-Git-Url: https://git.xinqibao.xyz/st.git/blobdiff_plain/5d5a7c627a3709c3758c516de87609bb6b518e13..a92a678e252aeeb54537dfa7e3f106eac88f8d77:/st.c?ds=sidebyside
diff --git a/st.c b/st.c
index 2919082..f6e606b 100644
--- a/st.c
+++ b/st.c
@@ -28,8 +28,12 @@
#include <X11/extensions/Xdbe.h>
#include <X11/Xft/Xft.h>
#include <fontconfig/fontconfig.h>
+
#define Glyph Glyph_
#define Font Font_
+#define Draw XftDraw *
+#define Colour XftColor
+#define Colourmap Colormap
#if defined(__linux)
#include <pty.h>
@@ -40,7 +44,7 @@
#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"
@@ -49,19 +53,18 @@
#define XEMBED_FOCUS_OUT 5
/* Arbitrary sizes */
-#define ESC_BUF_SIZ 256
+#define UTF_SIZ 4
+#define ESC_BUF_SIZ (128*UTF_SIZ)
#define ESC_ARG_SIZ 16
-#define STR_BUF_SIZ 256
-#define STR_ARG_SIZ 16
+#define STR_BUF_SIZ ESC_BUF_SIZ
+#define STR_ARG_SIZ ESC_ARG_SIZ
#define DRAW_BUF_SIZ 20*1024
-#define UTF_SIZ 4
-#define XK_NO_MOD UINT_MAX
-#define XK_ANY_MOD 0
+#define XK_ANY_MOD UINT_MAX
+#define XK_NO_MOD 0
#define REDRAW_TIMEOUT (80*1000) /* 80 ms */
/* macros */
-#define CLEANMASK(mask) (mask & (ShiftMask|ControlMask|Mod1Mask|Mod2Mask|Mod3Mask|Mod4Mask|Mod5Mask))
#define SERRNO strerror(errno)
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#define MAX(a, b) ((a) < (b) ? (b) : (a))
@@ -70,7 +73,7 @@
#define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b))
#define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)
#define ATTRCMP(a, b) ((a).mode != (b).mode || (a).fg != (b).fg || (a).bg != (b).bg)
-#define IS_SET(flag) (term.mode & (flag))
+#define IS_SET(flag) ((term.mode & (flag)) != 0)
#define TIMEDIFF(t1, t2) ((t1.tv_sec-t2.tv_sec)*1000 + (t1.tv_usec-t2.tv_usec)/1000)
#define VT102ID "\033[?6c"
@@ -86,10 +89,6 @@ enum glyph_attribute {
};
enum cursor_movement {
- CURSOR_UP,
- CURSOR_DOWN,
- CURSOR_LEFT,
- CURSOR_RIGHT,
CURSOR_SAVE,
CURSOR_LOAD
};
@@ -106,17 +105,20 @@ enum glyph_state {
};
enum term_mode {
- MODE_WRAP = 1,
+ MODE_WRAP = 1,
MODE_INSERT = 2,
MODE_APPKEYPAD = 4,
MODE_ALTSCREEN = 8,
- MODE_CRLF = 16,
+ MODE_CRLF = 16,
MODE_MOUSEBTN = 32,
MODE_MOUSEMOTION = 64,
MODE_MOUSE = 32|64,
MODE_REVERSE = 128,
MODE_KBDLOCK = 256,
- MODE_HIDE = 512
+ MODE_HIDE = 512,
+ MODE_ECHO = 1024,
+ MODE_APPCURSOR = 2048,
+ MODE_MOUSESGR = 4096,
};
enum escape_state {
@@ -151,7 +153,7 @@ typedef struct {
uchar state; /* state flags */
} Glyph;
-typedef Glyph* Line;
+typedef Glyph *Line;
typedef struct {
Glyph attr; /* current char attributes */
@@ -167,7 +169,7 @@ typedef struct {
int len; /* raw string length */
char priv;
int arg[ESC_ARG_SIZ];
- int narg; /* nb of args */
+ int narg; /* nb of args */
char mode;
} CSIEscape;
@@ -193,26 +195,26 @@ typedef struct {
int bot; /* bottom scroll limit */
int mode; /* terminal mode flags */
int esc; /* escape state flags */
+ bool numlock; /* lock numbers in keyboard */
bool *tabs;
} Term;
/* Purely graphic info */
typedef struct {
- Display* dpy;
- Colormap cmap;
+ Display *dpy;
+ Colourmap cmap;
Window win;
- XdbeBackBuffer buf;
+ Drawable buf;
Atom xembed, wmdeletewin;
XIM xim;
XIC xic;
- XftDraw *xft_draw;
+ Draw draw;
Visual *vis;
int scr;
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 */
@@ -222,6 +224,10 @@ typedef struct {
KeySym k;
uint mask;
char s[ESC_BUF_SIZ];
+ /* three valued logic variables: 0 indifferent, 1 on, -1 off */
+ signed char appkey; /* application keypad */
+ signed char appcursor; /* application cursor */
+ signed char crlf; /* crlf mode */
} Key;
/* TODO: use better name for vars... */
@@ -255,6 +261,8 @@ typedef struct {
/* function definitions used in config.h */
static void xzoom(const Arg *);
+static void selpaste(const Arg *);
+static void numlock(const Arg *);
/* Config.h for applying patches and the configuration. */
#include "config.h"
@@ -267,19 +275,21 @@ typedef struct {
int descent;
short lbearing;
short rbearing;
- XftFont *xft_set;
+ XftFont *match;
+ FcFontSet *set;
+ FcPattern *pattern;
} Font;
/* Drawing Context */
typedef struct {
- XftColor xft_col[LEN(colorname) < 256 ? 256 : LEN(colorname)];
- GC gc;
+ 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);
@@ -294,7 +304,7 @@ static void strhandle(void);
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);
@@ -317,7 +327,9 @@ static void tswapscreen(void);
static void tsetdirt(int, int);
static void tsetmode(bool, bool, int *, int);
static void tfulldirt(void);
+static void techo(char *, int);
+static inline bool match(uint, uint);
static void ttynew(void);
static void ttyread(void);
static void ttyresize(void);
@@ -329,10 +341,13 @@ static void xclear(int, int, int, int);
static void xdrawcursor(void);
static void xinit(void);
static void xloadcols(void);
+static int xloadfont(Font *, FcPattern *);
+static void xloadfonts(char *, int);
static void xresettitle(void);
static void xseturgency(int);
static void xsetsel(char*);
static void xtermclear(int, int, int, int);
+static void xunloadfonts(void);
static void xresize(int, int);
static void expose(XEvent *);
@@ -341,7 +356,7 @@ static void unmap(XEvent *);
static char *kmap(KeySym, uint);
static void kpress(XEvent *);
static void cmessage(XEvent *);
-static void cresize(int width, int height);
+static void cresize(int, int);
static void resize(XEvent *);
static void focus(XEvent *);
static void brelease(XEvent *);
@@ -354,7 +369,6 @@ static void selrequest(XEvent *);
static void selinit(void);
static inline bool selected(int, int);
static void selcopy(void);
-static void selpaste(void);
static void selscroll(int, int);
static int utf8decode(char *, long *);
@@ -365,7 +379,7 @@ static int isfullutf8(char *, int);
static ssize_t xwrite(int, char *, size_t);
static void *xmalloc(size_t);
static void *xrealloc(void *, size_t);
-static void *xcalloc(size_t nmemb, size_t size);
+static void *xcalloc(size_t, size_t);
static void (*handler[LASTEvent])(XEvent *) = {
[KeyPress] = kpress,
@@ -401,9 +415,33 @@ static char *opt_embed = NULL;
static char *opt_class = NULL;
static char *opt_font = NULL;
+bool usedbe = False;
+
static char *usedfont = NULL;
static int usedfontsize = 0;
+/* Font Ring Cache */
+enum {
+ FRC_NORMAL,
+ FRC_ITALIC,
+ FRC_BOLD,
+ FRC_ITALICBOLD
+};
+
+typedef struct {
+ XftFont *font;
+ long c;
+ int flags;
+} Fontcache;
+
+/*
+ * Fontcache is a ring buffer, with frccur as current position and frclen as
+ * the current length of used elements.
+ */
+
+static Fontcache frc[1024];
+static int frccur = -1, frclen = 0;
+
ssize_t
xwrite(int fd, char *s, size_t len) {
size_t aux = len;
@@ -615,12 +653,11 @@ selected(int x, int y) {
}
void
-getbuttoninfo(XEvent *e, int *b, int *x, int *y) {
- if(b)
- *b = e->xbutton.button;
+getbuttoninfo(XEvent *e) {
+ sel.alt = IS_SET(MODE_ALTSCREEN);
- *x = x2col(e->xbutton.x);
- *y = y2row(e->xbutton.y);
+ sel.ex = x2col(e->xbutton.x);
+ sel.ey = y2row(e->xbutton.y);
sel.b.x = sel.by < sel.ey ? sel.bx : sel.ex;
sel.b.y = MIN(sel.by, sel.ey);
@@ -630,11 +667,10 @@ getbuttoninfo(XEvent *e, int *b, int *x, int *y) {
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 */
@@ -643,7 +679,9 @@ mousereport(XEvent *e) {
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;
@@ -655,11 +693,23 @@ mousereport(XEvent *e) {
}
}
- 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
@@ -717,7 +767,6 @@ selcopy(void) {
}
*ptr = 0;
}
- sel.alt = IS_SET(MODE_ALTSCREEN);
xsetsel(str);
}
@@ -744,7 +793,7 @@ selnotify(XEvent *e) {
}
void
-selpaste(void) {
+selpaste(const Arg *dummy) {
XConvertSelection(xw.dpy, XA_PRIMARY, sel.xtarget, XA_PRIMARY,
xw.win, CurrentTime);
}
@@ -815,10 +864,10 @@ brelease(XEvent *e) {
}
if(e->xbutton.button == Button2) {
- selpaste();
+ selpaste(NULL);
} else if(e->xbutton.button == Button1) {
sel.mode = 0;
- getbuttoninfo(e, NULL, &sel.ex, &sel.ey);
+ getbuttoninfo(e);
term.dirty[sel.ey] = 1;
if(sel.bx == sel.ex && sel.by == sel.ey) {
sel.bx = -1;
@@ -864,16 +913,17 @@ bmotion(XEvent *e) {
return;
}
- if(sel.mode) {
- oldey = sel.ey;
- oldex = sel.ex;
- getbuttoninfo(e, NULL, &sel.ex, &sel.ey);
+ if(!sel.mode)
+ return;
- if(oldey != sel.ey || oldex != sel.ex) {
- starty = MIN(oldey, sel.ey);
- endy = MAX(oldey, sel.ey);
- tsetdirt(starty, endy);
- }
+ oldey = sel.ey;
+ oldex = sel.ex;
+ getbuttoninfo(e);
+
+ if(oldey != sel.ey || oldex != sel.ex) {
+ starty = MIN(oldey, sel.ey);
+ endy = MAX(oldey, sel.ey);
+ tsetdirt(starty, endy);
}
}
@@ -1077,7 +1127,7 @@ treset(void) {
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);
}
@@ -1097,6 +1147,8 @@ tnew(int col, int row) {
term.alt [row] = xmalloc(term.col * sizeof(Glyph));
term.dirty[row] = 0;
}
+
+ term.numlock = 1;
memset(term.tabs, 0, term.col * sizeof(*term.tabs));
/* setup screen */
treset();
@@ -1119,7 +1171,7 @@ tscrolldown(int orig, int n) {
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];
@@ -1139,7 +1191,7 @@ tscrollup(int orig, int n) {
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];
@@ -1267,7 +1319,7 @@ tsetchar(char *c, Glyph *attr, int x, int y) {
}
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)
@@ -1282,8 +1334,15 @@ tclearregion(int x1, int y1, int x2, int y2) {
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;
+ }
+ }
}
}
@@ -1296,13 +1355,13 @@ tdeletechar(int n) {
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
@@ -1314,13 +1373,13 @@ tinsertblank(int n) {
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
@@ -1354,13 +1413,14 @@ tsetattr(int *attr, int l) {
case 1:
term.c.attr.mode |= ATTR_BOLD;
break;
- case 3: /* enter standout (highlight) */
+ case 3:
term.c.attr.mode |= ATTR_ITALIC;
break;
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:
@@ -1370,13 +1430,14 @@ tsetattr(int *attr, int l) {
case 22:
term.c.attr.mode &= ~ATTR_BOLD;
break;
- case 23: /* leave standout (highlight) mode */
+ case 23:
term.c.attr.mode &= ~ATTR_ITALIC;
break;
case 24:
term.c.attr.mode &= ~ATTR_UNDERLINE;
break;
case 25:
+ case 26:
term.c.attr.mode &= ~ATTR_BLINK;
break;
case 27:
@@ -1466,13 +1527,13 @@ tsetmode(bool priv, bool set, int *args, int narg) {
switch(*args) {
break;
case 1: /* DECCKM -- Cursor key */
- MODBIT(term.mode, set, MODE_APPKEYPAD);
+ MODBIT(term.mode, set, MODE_APPCURSOR);
break;
case 5: /* DECSCNM -- Reverse video */
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);
@@ -1496,16 +1557,23 @@ tsetmode(bool priv, bool set, int *args, int narg) {
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) != 0;
- if(alt)
- tclearregion(0, 0, term.col-1, term.row-1);
+ alt = IS_SET(MODE_ALTSCREEN);
+ 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)
@@ -1531,7 +1599,8 @@ tsetmode(bool priv, bool set, int *args, int narg) {
case 4: /* IRM -- Insertion-replacement */
MODBIT(term.mode, set, MODE_INSERT);
break;
- case 12: /* XXX: SRM -- Send/Receive */
+ case 12: /* SRM -- Send/Receive */
+ MODBIT(term.mode, !set, MODE_ECHO);
break;
case 20: /* LNM -- Linefeed/new line */
MODBIT(term.mode, set, MODE_CRLF);
@@ -1623,17 +1692,19 @@ csihandle(void) {
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;
@@ -1642,13 +1713,14 @@ csihandle(void) {
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;
@@ -1673,7 +1745,8 @@ csihandle(void) {
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);
@@ -1845,6 +1918,28 @@ tputtab(bool forward) {
tmoveto(x, term.c.y);
}
+void
+techo(char *buf, int len) {
+ for(; len > 0; buf++, len--) {
+ char c = *buf;
+
+ if(c == '\033') { /* escape */
+ tputc("^", 1);
+ tputc("[", 1);
+ } else if (c < '\x20') { /* control code */
+ if(c != '\n' && c != '\r' && c != '\t') {
+ c |= '\x40';
+ tputc("^", 1);
+ }
+ tputc(&c, 1);
+ } else {
+ break;
+ }
+ }
+ if (len)
+ tputc(buf, len);
+}
+
void
tputc(char *c, int len) {
uchar ascii = *c;
@@ -1852,12 +1947,13 @@ tputc(char *c, int len) {
if(iofd != -1) {
if (xwrite(iofd, c, len) < 0) {
- fprintf(stderr, "Error writting in %s:%s\n",
+ fprintf(stderr, "Error writing in %s:%s\n",
opt_io, strerror(errno));
close(iofd);
iofd = -1;
}
}
+
/*
* STR sequences must be checked before anything else
* because it can use some control codes as part of the sequence.
@@ -1872,10 +1968,23 @@ tputc(char *c, int len) {
strhandle();
break;
default:
- strescseq.buf[strescseq.len++] = ascii;
- if(strescseq.len+1 >= STR_BUF_SIZ) {
- term.esc = 0;
- strhandle();
+ if(strescseq.len + len < sizeof(strescseq.buf)) {
+ memmove(&strescseq.buf[strescseq.len], c, len);
+ strescseq.len += len;
+ } else {
+ /*
+ * Here is a bug in terminals. If the user never sends
+ * some code to stop the str or esc command, then st
+ * will stop responding. But this is better than
+ * silently failing with unknown characters. At least
+ * then users will report back.
+ *
+ * In the case users ever get fixed, here is the code:
+ */
+ /*
+ * term.esc = 0;
+ * strhandle();
+ */
}
}
return;
@@ -1912,10 +2021,13 @@ tputc(char *c, int len) {
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 */
@@ -2053,7 +2165,7 @@ tputc(char *c, int len) {
}
}
/*
- * All characters which forms part of a sequence are not
+ * All characters which form part of a sequence are not
* printed
*/
return;
@@ -2067,11 +2179,19 @@ tputc(char *c, int len) {
sel.bx = -1;
if(IS_SET(MODE_WRAP) && term.c.state & CURSOR_WRAPNEXT)
tnewline(1); /* always go to first col */
+
+ if(IS_SET(MODE_INSERT) && term.c.x+1 < term.col) {
+ memmove(&term.line[term.c.y][term.c.x+1],
+ &term.line[term.c.y][term.c.x],
+ (term.col - term.c.x - 1) * sizeof(Glyph));
+ }
+
tsetchar(c, &term.c.attr, term.c.x, term.c.y);
- if(term.c.x+1 < term.col)
+ if(term.c.x+1 < term.col) {
tmoveto(term.c.x+1, term.c.y);
- else
+ } else {
term.c.state |= CURSOR_WRAPNEXT;
+ }
}
int
@@ -2088,9 +2208,11 @@ tresize(int col, int row) {
/* 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]);
@@ -2148,22 +2270,30 @@ tresize(int col, int row) {
void
xresize(int col, int row) {
- xw.tw = MAX(1, 2*borderpx + col * xw.cw);
- xw.th = MAX(1, 2*borderpx + row * xw.ch);
+ xw.tw = MAX(1, col * xw.cw);
+ xw.th = MAX(1, row * xw.ch);
+
+ if(!usedbe) {
+ 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.xft_draw, xw.buf);
+ XftDrawChange(xw.draw, xw.buf);
}
void
xloadcols(void) {
int i, r, g, b;
- XRenderColor xft_color = { .alpha = 0 };
+ XRenderColor color = { .alpha = 0 };
/* load colors [0-15] colors and [256-LEN(colorname)[ (config.h) */
for(i = 0; i < LEN(colorname); i++) {
if(!colorname[i])
continue;
- if(!XftColorAllocName(xw.dpy, xw.vis, xw.cmap, colorname[i], &dc.xft_col[i])) {
+ if(!XftColorAllocName(xw.dpy, xw.vis, xw.cmap, colorname[i], &dc.col[i])) {
die("Could not allocate color '%s'\n", colorname[i]);
}
}
@@ -2172,10 +2302,10 @@ xloadcols(void) {
for(i = 16, r = 0; r < 6; r++) {
for(g = 0; g < 6; g++) {
for(b = 0; b < 6; b++) {
- xft_color.red = r == 0 ? 0 : 0x3737 + 0x2828 * r;
- xft_color.green = g == 0 ? 0 : 0x3737 + 0x2828 * g;
- xft_color.blue = b == 0 ? 0 : 0x3737 + 0x2828 * b;
- if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &xft_color, &dc.xft_col[i])) {
+ color.red = r == 0 ? 0 : 0x3737 + 0x2828 * r;
+ color.green = g == 0 ? 0 : 0x3737 + 0x2828 * g;
+ color.blue = b == 0 ? 0 : 0x3737 + 0x2828 * b;
+ if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &dc.col[i])) {
die("Could not allocate color %d\n", i);
}
i++;
@@ -2184,9 +2314,9 @@ xloadcols(void) {
}
for(r = 0; r < 24; r++, i++) {
- xft_color.red = xft_color.green = xft_color.blue = 0x0808 + 0x0a0a * r;
- if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &xft_color,
- &dc.xft_col[i])) {
+ color.red = color.green = color.blue = 0x0808 + 0x0a0a * r;
+ if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color,
+ &dc.col[i])) {
die("Could not allocate color %d\n", i);
}
}
@@ -2194,8 +2324,8 @@ xloadcols(void) {
void
xtermclear(int col1, int row1, int col2, int row2) {
- XftDrawRect(xw.xft_draw,
- &dc.xft_col[IS_SET(MODE_REVERSE) ? defaultfg : defaultbg],
+ XftDrawRect(xw.draw,
+ &dc.col[IS_SET(MODE_REVERSE) ? defaultfg : defaultbg],
borderpx + col1 * xw.cw,
borderpx + row1 * xw.ch,
(col2-col1+1) * xw.cw,
@@ -2207,8 +2337,8 @@ xtermclear(int col1, int row1, int col2, int row2) {
*/
void
xclear(int x1, int y1, int x2, int y2) {
- XftDrawRect(xw.xft_draw,
- &dc.xft_col[IS_SET(MODE_REVERSE) ? defaultfg : defaultbg],
+ XftDrawRect(xw.draw,
+ &dc.col[IS_SET(MODE_REVERSE)? defaultfg : defaultbg],
x1, y1, x2-x1, y2-y1);
}
@@ -2225,8 +2355,8 @@ xhints(void) {
sizeh->width = xw.w;
sizeh->height_inc = xw.ch;
sizeh->width_inc = xw.cw;
- sizeh->base_height = 2*borderpx;
- sizeh->base_width = 2*borderpx;
+ sizeh->base_height = 2 * borderpx;
+ sizeh->base_width = 2 * borderpx;
} else {
sizeh->flags = PMaxSize | PMinSize;
sizeh->min_width = sizeh->max_width = xw.fw;
@@ -2242,20 +2372,28 @@ xloadfont(Font *f, FcPattern *pattern) {
FcPattern *match;
FcResult result;
- match = XftFontMatch(xw.dpy, xw.scr, pattern, &result);
+ match = FcFontMatch(NULL, pattern, &result);
if(!match)
return 1;
- if(!(f->xft_set = XftFontOpenPattern(xw.dpy, match))) {
+
+ if(!(f->set = FcFontSort(0, match, FcTrue, 0, &result))) {
+ FcPatternDestroy(match);
+ return 1;
+ }
+
+ if(!(f->match = XftFontOpenPattern(xw.dpy, match))) {
FcPatternDestroy(match);
return 1;
}
- f->ascent = f->xft_set->ascent;
- f->descent = f->xft_set->descent;
+ f->pattern = FcPatternDuplicate(pattern);
+
+ f->ascent = f->match->ascent;
+ f->descent = f->match->descent;
f->lbearing = 0;
- f->rbearing = f->xft_set->max_advance_width;
+ f->rbearing = f->match->max_advance_width;
- f->height = f->xft_set->height;
+ f->height = f->match->height;
f->width = f->lbearing + f->rbearing;
return 0;
@@ -2294,6 +2432,9 @@ xloadfonts(char *fontstr, int fontsize) {
}
}
+ FcConfigSubstitute(0, pattern, FcMatchPattern);
+ FcDefaultSubstitute(pattern);
+
if(xloadfont(&dc.font, pattern))
die("st: can't open font %s\n", fontstr);
@@ -2301,7 +2442,9 @@ xloadfonts(char *fontstr, int fontsize) {
xw.cw = dc.font.width;
xw.ch = dc.font.height;
+ FcPatternDel(pattern, FC_SLANT);
FcPatternDel(pattern, FC_WEIGHT);
+ FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN);
FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD);
if(xloadfont(&dc.bfont, pattern))
die("st: can't open font %s\n", fontstr);
@@ -2312,6 +2455,7 @@ xloadfonts(char *fontstr, int fontsize) {
die("st: can't open font %s\n", fontstr);
FcPatternDel(pattern, FC_WEIGHT);
+ FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_MEDIUM);
if(xloadfont(&dc.ifont, pattern))
die("st: can't open font %s\n", fontstr);
@@ -2319,16 +2463,47 @@ xloadfonts(char *fontstr, int fontsize) {
}
void
-xzoom(const Arg *arg)
-{
+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)
+ ip = LEN(frc) - 1;
+ XftFontClose(xw.dpy, frc[ip].font);
+ }
+ frccur = -1;
+ frclen = 0;
+
+ XftFontClose(xw.dpy, dc.font.match);
+ FcPatternDestroy(dc.font.pattern);
+ FcFontSetDestroy(dc.font.set);
+ XftFontClose(xw.dpy, dc.bfont.match);
+ FcPatternDestroy(dc.bfont.pattern);
+ FcFontSetDestroy(dc.bfont.set);
+ XftFontClose(xw.dpy, dc.ifont.match);
+ FcPatternDestroy(dc.ifont.pattern);
+ FcFontSetDestroy(dc.ifont.set);
+ XftFontClose(xw.dpy, dc.ibfont.match);
+ FcPatternDestroy(dc.ibfont.pattern);
+ FcFontSetDestroy(dc.ibfont.set);
+}
+
+void
+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;
@@ -2339,6 +2514,9 @@ xinit(void) {
xw.vis = XDefaultVisual(xw.dpy, xw.scr);
/* font */
+ if (!FcInit())
+ die("Could not init fontconfig.\n");
+
usedfont = (opt_font == NULL)? font : opt_font;
xloadfonts(usedfont, 0);
@@ -2359,21 +2537,23 @@ xinit(void) {
xw.w = xw.fw;
} else {
/* window - default size */
- xw.h = 2*borderpx + term.row * xw.ch;
- xw.w = 2*borderpx + term.col * xw.cw;
+ xw.h = 2 * borderpx + term.row * xw.ch;
+ xw.w = 2 * borderpx + term.col * xw.cw;
xw.fx = 0;
xw.fy = 0;
}
- attrs.background_pixel = dc.xft_col[defaultbg].pixel;
- attrs.border_pixel = dc.xft_col[defaultbg].pixel;
+ /* Events */
+ attrs.background_pixel = dc.col[defaultbg].pixel;
+ attrs.border_pixel = dc.col[defaultbg].pixel;
attrs.bit_gravity = NorthWestGravity;
attrs.event_mask = FocusChangeMask | KeyPressMask
| ExposureMask | VisibilityChangeMask | StructureNotifyMask
| ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
attrs.colormap = xw.cmap;
- parent = opt_embed ? strtol(opt_embed, NULL, 0) : XRootWindow(xw.dpy, xw.scr);
+ parent = opt_embed ? strtol(opt_embed, NULL, 0) : \
+ XRootWindow(xw.dpy, xw.scr);
xw.win = XCreateWindow(xw.dpy, parent, xw.fx, xw.fy,
xw.w, xw.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
xw.vis,
@@ -2382,20 +2562,46 @@ xinit(void) {
&attrs);
/* double buffering */
- if(!XdbeQueryExtension(xw.dpy, &major, &minor))
- die("Xdbe extension is not present\n");
- xw.buf = XdbeAllocateBackBufferName(xw.dpy, xw.win, XdbeCopied);
+ /*
+ if(XdbeQueryExtension(xw.dpy, &major, &minor)) {
+ xw.buf = XdbeAllocateBackBufferName(xw.dpy, xw.win,
+ XdbeBackground);
+ usedbe = True;
+ } else {
+ */
+ 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);
+ //xw.buf = xw.win;
+ /*
+ }
+ */
/* Xft rendering context */
- xw.xft_draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap);
+ xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap);
/* input methods */
- xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL);
+ if((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
+ XSetLocaleModifiers("@im=local");
+ if((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
+ XSetLocaleModifiers("@im=");
+ if((xw.xim = XOpenIM(xw.dpy,
+ NULL, NULL, NULL)) == NULL) {
+ die("XOpenIM failed. Could not open input"
+ " device.\n");
+ }
+ }
+ }
xw.xic = XCreateIC(xw.xim, XNInputStyle, XIMPreeditNothing
| XIMStatusNothing, XNClientWindow, xw.win,
XNFocusWindow, xw.win, NULL);
- /* gc */
- dc.gc = XCreateGC(xw.dpy, xw.win, 0, NULL);
+ if(xw.xic == NULL)
+ die("XCreateIC failed. Could not obtain input method.\n");
/* white cursor, black outline */
cursor = XCreateFontCursor(xw.dpy, XC_xterm);
@@ -2417,23 +2623,32 @@ xinit(void) {
void
xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
int winx = borderpx + x * xw.cw, winy = borderpx + y * xw.ch,
- width = charlen * xw.cw;
+ width = charlen * xw.cw, xp, i;
+ int frp, frcflags;
+ int u8fl, u8fblen, u8cblen, doesexist;
+ char *u8c, *u8fs;
+ long u8char;
Font *font = &dc.font;
- XGlyphInfo extents;
- XftColor *fg = &dc.xft_col[base.fg], *bg = &dc.xft_col[base.bg],
+ FcResult fcres;
+ FcPattern *fcpattern, *fontpattern;
+ FcFontSet *fcsets[] = { NULL };
+ FcCharSet *fccharset;
+ Colour *fg = &dc.col[base.fg], *bg = &dc.col[base.bg],
*temp, revfg, revbg;
XRenderColor colfg, colbg;
+ frcflags = FRC_NORMAL;
+
if(base.mode & ATTR_BOLD) {
if(BETWEEN(base.fg, 0, 7)) {
/* basic system colors */
- fg = &dc.xft_col[base.fg + 8];
+ fg = &dc.col[base.fg + 8];
} else if(BETWEEN(base.fg, 16, 195)) {
/* 256 colors */
- fg = &dc.xft_col[base.fg + 36];
+ fg = &dc.col[base.fg + 36];
} else if(BETWEEN(base.fg, 232, 251)) {
/* greyscale */
- fg = &dc.xft_col[base.fg + 4];
+ fg = &dc.col[base.fg + 4];
}
/*
* Those ranges will not be brightened:
@@ -2442,16 +2657,21 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
* 252 - 255 â brightest colors in greyscale
*/
font = &dc.bfont;
+ frcflags = FRC_BOLD;
}
- if(base.mode & ATTR_ITALIC)
+ if(base.mode & ATTR_ITALIC) {
font = &dc.ifont;
- if((base.mode & ATTR_ITALIC) && (base.mode & ATTR_BOLD))
+ 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.xft_col[defaultfg]) {
- fg = &dc.xft_col[defaultbg];
+ if(fg == &dc.col[defaultfg]) {
+ fg = &dc.col[defaultbg];
} else {
colfg.red = ~fg->color.red;
colfg.green = ~fg->color.green;
@@ -2461,8 +2681,8 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
fg = &revfg;
}
- if(bg == &dc.xft_col[defaultbg]) {
- bg = &dc.xft_col[defaultfg];
+ if(bg == &dc.col[defaultbg]) {
+ bg = &dc.col[defaultfg];
} else {
colbg.red = ~bg->color.red;
colbg.green = ~bg->color.green;
@@ -2473,33 +2693,145 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
}
}
- if(base.mode & ATTR_REVERSE)
- temp = fg, fg = bg, bg = temp;
-
- XftTextExtentsUtf8(xw.dpy, font->xft_set, (FcChar8 *)s, bytelen,
- &extents);
- width = extents.xOff;
+ if(base.mode & ATTR_REVERSE) {
+ temp = fg;
+ fg = bg;
+ bg = temp;
+ }
/* Intelligent cleaning up of the borders. */
if(x == 0) {
xclear(0, (y == 0)? 0 : winy, borderpx,
- winy + xw.ch + (y == term.row-1)? xw.h : 0);
+ winy + xw.ch + ((y >= term.row-1)? xw.h : 0));
}
- if(x + charlen >= term.col-1) {
+ if(x + charlen >= term.col) {
xclear(winx + width, (y == 0)? 0 : winy, xw.w,
- (y == term.row-1)? xw.h : (winy + xw.ch));
+ ((y >= term.row-1)? xw.h : (winy + xw.ch)));
}
if(y == 0)
xclear(winx, 0, winx + width, borderpx);
if(y == term.row-1)
xclear(winx, winy + xw.ch, winx + width, xw.h);
- XftDrawRect(xw.xft_draw, bg, winx, winy, width, xw.ch);
- XftDrawStringUtf8(xw.xft_draw, fg, font->xft_set, winx,
+ /* Clean up the region we want to draw to. */
+ XftDrawRect(xw.draw, bg, winx, winy, width, xw.ch);
+
+ fcsets[0] = font->set;
+ 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
+ * some glyph is found that is not in the font, do the
+ * fallback dance.
+ */
+ u8fs = s;
+ u8fblen = 0;
+ u8fl = 0;
+ 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) {
+ u8fl++;
+ u8fblen += u8cblen;
+ }
+ }
+
+ if (u8fl > 0) {
+ XftDrawStringUtf8(xw.draw, fg,
+ font->match, xp,
+ winy + font->ascent,
+ (FcChar8 *)u8fs,
+ u8fblen);
+ xp += font->width * u8fl;
+ }
+ break;
+ }
+
+ u8fl++;
+ u8fblen += u8cblen;
+ }
+ if (doesexist)
+ break;
+
+ frp = frccur;
+ /* Search the font cache. */
+ for (i = 0; i < frclen; i++, frp--) {
+ if (frp <= 0)
+ frp = LEN(frc) - 1;
+
+ if (frc[frp].c == u8char
+ && frc[frp].flags == frcflags) {
+ break;
+ }
+ }
+
+ /* Nothing was found. */
+ if (i >= frclen) {
+ /*
+ * Nothing was found in the cache. Now use
+ * some dozen of Fontconfig calls to get the
+ * font for one single character.
+ */
+ fcpattern = FcPatternDuplicate(font->pattern);
+ fccharset = FcCharSetCreate();
+
+ FcCharSetAddChar(fccharset, u8char);
+ FcPatternAddCharSet(fcpattern, FC_CHARSET,
+ fccharset);
+ FcPatternAddBool(fcpattern, FC_SCALABLE,
+ FcTrue);
+
+ FcConfigSubstitute(0, fcpattern,
+ FcMatchPattern);
+ FcDefaultSubstitute(fcpattern);
+
+ fontpattern = FcFontSetMatch(0, fcsets,
+ FcTrue, fcpattern, &fcres);
+
+ /*
+ * Overwrite or create the new cache entry
+ * entry.
+ */
+ frccur++;
+ frclen++;
+ if (frccur >= LEN(frc))
+ frccur = 0;
+ if (frclen > LEN(frc)) {
+ frclen = LEN(frc);
+ XftFontClose(xw.dpy, frc[frccur].font);
+ }
+
+ frc[frccur].font = XftFontOpenPattern(xw.dpy,
+ fontpattern);
+ frc[frccur].c = u8char;
+ frc[frccur].flags = frcflags;
+
+ FcPatternDestroy(fcpattern);
+ FcCharSetDestroy(fccharset);
+
+ frp = frccur;
+ }
+
+ XftDrawStringUtf8(xw.draw, fg, frc[frp].font,
+ xp, winy + frc[frp].font->ascent,
+ (FcChar8 *)u8c, u8cblen);
+
+ xp += font->width;
+ }
+
+ /*
+ XftDrawStringUtf8(xw.draw, fg, font->set, winx,
winy + font->ascent, (FcChar8 *)s, bytelen);
+ */
if(base.mode & ATTR_UNDERLINE) {
- XftDrawRect(xw.xft_draw, fg, winx, winy + font->ascent + 1,
+ XftDrawRect(xw.draw, fg, winx, winy + font->ascent + 1,
width, 1);
}
}
@@ -2545,13 +2877,16 @@ xresettitle(void) {
}
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
@@ -2559,7 +2894,13 @@ draw(void) {
XdbeSwapInfo swpinfo[1] = {{xw.win, XdbeCopied}};
drawregion(0, 0, term.col, term.row);
- XdbeSwapBuffers(xw.dpy, swpinfo, 1);
+ if(usedbe) {
+ XdbeSwapBuffers(xw.dpy, swpinfo, 1);
+ } else {
+ 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
@@ -2567,10 +2908,11 @@ 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) != 0;
+ bool ena_sel = sel.bx != -1;
- if((sel.alt != 0) ^ alt)
+ if(sel.alt ^ IS_SET(MODE_ALTSCREEN))
ena_sel = 0;
+
if(!(xw.state & WIN_VISIBLE))
return;
@@ -2597,6 +2939,7 @@ drawregion(int x1, int y1, int x2, int y2) {
ox = x;
base = new;
}
+
sl = utf8size(new.c);
memcpy(buf+ib, new.c, sl);
ib += sl;
@@ -2617,6 +2960,7 @@ expose(XEvent *ev) {
if(!e->count)
xw.state &= ~WIN_REDRAW;
}
+ redraw(0);
}
void
@@ -2647,6 +2991,11 @@ xseturgency(int add) {
void
focus(XEvent *ev) {
+ XFocusChangeEvent *e = &ev->xfocus;
+
+ if(e->mode == NotifyGrab)
+ return;
+
if(ev->type == FocusIn) {
XSetICFocus(xw.xic);
xw.state |= WIN_FOCUSED;
@@ -2657,20 +3006,70 @@ focus(XEvent *ev) {
}
}
+inline bool
+match(uint mask, uint state) {
+ if(mask == XK_NO_MOD && state)
+ return false;
+ if(mask != XK_ANY_MOD && mask != XK_NO_MOD && !state)
+ return false;
+ if((state & mask) != state)
+ return false;
+ return true;
+}
+
+void
+numlock(const Arg *dummy) {
+ term.numlock ^= 1;
+}
+
char*
kmap(KeySym k, uint state) {
- int i;
uint mask;
+ Key *kp;
+ int i;
+
+ /* Check for mapped keys out of X11 function keys. */
+ for(i = 0; i < LEN(mappedkeys); i++) {
+ if(mappedkeys[i] == k)
+ break;
+ }
+ if(i == LEN(mappedkeys)) {
+ if((k & 0xFFFF) < 0xFD00)
+ return NULL;
+ }
+
+ for(kp = key; kp < key + LEN(key); kp++) {
+ mask = kp->mask;
- state &= ~Mod2Mask;
- for(i = 0; i < LEN(key); i++) {
- mask = key[i].mask;
+ if(kp->k != k)
+ continue;
+
+ if(!match(mask, state))
+ continue;
+
+ if(kp->appkey > 0) {
+ if(!IS_SET(MODE_APPKEYPAD))
+ continue;
+ if(term.numlock && kp->appkey == 2)
+ continue;
+ } else if(kp->appkey < 0 && IS_SET(MODE_APPKEYPAD)) {
+ continue;
+ }
+
+ if((kp->appcursor < 0 && IS_SET(MODE_APPCURSOR)) ||
+ (kp->appcursor > 0
+ && !IS_SET(MODE_APPCURSOR))) {
+ continue;
+ }
- if(key[i].k == k && ((state & mask) == mask
- || (mask == XK_NO_MOD && !state))) {
- return (char*)key[i].s;
+ if((kp->crlf < 0 && IS_SET(MODE_CRLF)) ||
+ (kp->crlf > 0 && !IS_SET(MODE_CRLF))) {
+ continue;
}
+
+ return kp->s;
}
+
return NULL;
}
@@ -2678,73 +3077,52 @@ void
kpress(XEvent *ev) {
XKeyEvent *e = &ev->xkey;
KeySym ksym;
- char buf[32], *customkey;
- int len, meta, shift, i;
+ char xstr[31], buf[32], *customkey, *cp = buf;
+ int len;
Status status;
+ Shortcut *bp;
if (IS_SET(MODE_KBDLOCK))
return;
- meta = e->state & Mod1Mask;
- shift = e->state & ShiftMask;
- len = XmbLookupString(xw.xic, e, buf, sizeof(buf), &ksym, &status);
-
+ len = XmbLookupString(xw.xic, e, xstr, sizeof(xstr), &ksym, &status);
+ e->state &= ~Mod2Mask;
/* 1. shortcuts */
- for(i = 0; i < LEN(shortcuts); i++) {
- if((ksym == shortcuts[i].keysym)
- && (CLEANMASK(shortcuts[i].mod) == \
- CLEANMASK(e->state))
- && shortcuts[i].func) {
- shortcuts[i].func(&(shortcuts[i].arg));
+ for(bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) {
+ if(ksym == bp->keysym && match(bp->mod, e->state)) {
+ bp->func(&(bp->arg));
+ return;
}
}
/* 2. custom keys from config.h */
if((customkey = kmap(ksym, e->state))) {
- ttywrite(customkey, strlen(customkey));
+ len = strlen(customkey);
+ memcpy(buf, customkey, len);
/* 2. hardcoded (overrides X lookup) */
} else {
- switch(ksym) {
- case XK_Up:
- case XK_Down:
- case XK_Left:
- case XK_Right:
- /* XXX: shift up/down doesn't work */
- sprintf(buf, "\033%c%c",
- IS_SET(MODE_APPKEYPAD) ? 'O' : '[',
- (shift ? "dacb":"DACB")[ksym - XK_Left]);
- ttywrite(buf, 3);
- break;
- case XK_Insert:
- if(shift)
- selpaste();
- break;
- case XK_Return:
- if(meta)
- ttywrite("\033", 1);
+ if(len == 0)
+ return;
- if(IS_SET(MODE_CRLF)) {
- ttywrite("\r\n", 2);
- } else {
- ttywrite("\r", 1);
- }
- break;
- /* 3. X lookup */
- default:
- if(len > 0) {
- if(meta && len == 1)
- ttywrite("\033", 1);
- ttywrite(buf, len);
- }
- break;
- }
+ if (len == 1 && e->state & Mod1Mask)
+ *cp++ = '\033';
+
+ memcpy(cp, xstr, len);
+ len = cp - buf + len;
}
+
+ ttywrite(buf, len);
+ if(IS_SET(MODE_ECHO))
+ techo(buf, 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;
@@ -2760,8 +3138,7 @@ cmessage(XEvent *e) {
}
void
-cresize(int width, int height)
-{
+cresize(int width, int height) {
int col, row;
if(width != 0)
@@ -2769,8 +3146,8 @@ cresize(int width, int height)
if(height != 0)
xw.h = height;
- col = (xw.w - 2*borderpx) / xw.cw;
- row = (xw.h - 2*borderpx) / xw.ch;
+ col = (xw.w - 2 * borderpx) / xw.cw;
+ row = (xw.h - 2 * borderpx) / xw.ch;
tresize(col, row);
xresize(col, row);
@@ -2789,10 +3166,12 @@ void
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;
+
+ gettimeofday(&last, NULL);
- for(i = 0;; i++) {
+ for(xev = actionfps;;) {
FD_ZERO(&rfd);
FD_SET(cmdfd, &rfd);
FD_SET(xfd, &rfd);
@@ -2802,35 +3181,36 @@ run(void) {
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);
+ /* usecs until (next) frame */
+ 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);
+ last = now;
- draw();
- XFlush(xw.dpy);
+ if(xev && !FD_ISSET(xfd, &rfd))
+ xev--;
+ if(!FD_ISSET(cmdfd, &rfd) && !FD_ISSET(xfd, &rfd))
+ tv = NULL;
+ }
}
}
@@ -2849,7 +3229,7 @@ main(int argc, char *argv[]) {
opt_class = argv[i];
break;
case 'e':
- /* eat every remaining arguments */
+ /* eat all remaining arguments */
if(++i < argc)
opt_cmd = &argv[i];
goto run;
@@ -2904,6 +3284,7 @@ run:
ttynew();
selinit();
run();
+
return 0;
}