X-Git-Url: https://git.xinqibao.xyz/st.git/blobdiff_plain/121d9109e8202aaa8df836f2d23922008bdf2c72..cc2ea3147accc342f4d411b42c8cae5b883b1224:/st.c
diff --git a/st.c b/st.c
index 5e8cf02..4a91073 100644
--- a/st.c
+++ b/st.c
@@ -1,10 +1,10 @@
/* See LICENSE for licence details. */
-#define _XOPEN_SOURCE 600
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <limits.h>
#include <locale.h>
+#include <pwd.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdio.h>
@@ -19,12 +19,26 @@
#include <sys/wait.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/extensions/Xdbe.h>
+#include <X11/Xft/Xft.h>
+#include <fontconfig/fontconfig.h>
+#include <wchar.h>
+
+#include "arg.h"
+
+char *argv0;
+
+#define Glyph Glyph_
+#define Font Font_
+#define Draw XftDraw *
+#define Colour XftColor
+#define Colourmap Colormap
+#define Rectangle XRectangle
#if defined(__linux)
#include <pty.h>
@@ -34,29 +48,25 @@
#include <libutil.h>
#endif
-#define USAGE \
- "st " VERSION " (c) 2010-2012 st engineers\n" \
- "usage: st [-t title] [-c class] [-g geometry]" \
- " [-w windowid] [-v] [-f file] [-e command...]\n"
/* XEMBED messages */
#define XEMBED_FOCUS_IN 4
#define XEMBED_FOCUS_OUT 5
/* Arbitrary sizes */
-#define ESC_BUF_SIZ 256
-#define ESC_ARG_SIZ 16
-#define STR_BUF_SIZ 256
-#define STR_ARG_SIZ 16
-#define DRAW_BUF_SIZ 1024
#define UTF_SIZ 4
-#define XK_NO_MOD UINT_MAX
-#define XK_ANY_MOD 0
+#define ESC_BUF_SIZ (128*UTF_SIZ)
+#define ESC_ARG_SIZ 16
+#define STR_BUF_SIZ ESC_BUF_SIZ
+#define STR_ARG_SIZ ESC_ARG_SIZ
+#define DRAW_BUF_SIZ 20*1024
+#define XK_ANY_MOD UINT_MAX
+#define XK_NO_MOD 0
+#define XK_SWITCH_MOD (1<<13)
-#define SELECT_TIMEOUT (20*1000) /* 20 ms */
-#define DRAW_TIMEOUT (20*1000) /* 20 ms */
#define REDRAW_TIMEOUT (80*1000) /* 80 ms */
+/* macros */
#define SERRNO strerror(errno)
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#define MAX(a, b) ((a) < (b) ? (b) : (a))
@@ -65,10 +75,18 @@
#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 X2COL(x) (((x) - BORDER)/xw.cw)
-#define Y2ROW(y) (((y) - BORDER)/xw.ch)
+#define CEIL(x) (((x) != (int) (x)) ? (x) + 1 : (x))
+
+#define TRUECOLOR(r,g,b) (1 << 24 | (r) << 16 | (g) << 8 | (b))
+#define IS_TRUECOL(x) (1 << 24 & (x))
+#define TRUERED(x) (((x) & 0xff0000) >> 8)
+#define TRUEGREEN(x) (((x) & 0xff00))
+#define TRUEBLUE(x) (((x) & 0xff) << 8)
+
+
+#define VT102ID "\033[?6c"
enum glyph_attribute {
ATTR_NULL = 0,
@@ -78,46 +96,53 @@ enum glyph_attribute {
ATTR_GFX = 8,
ATTR_ITALIC = 16,
ATTR_BLINK = 32,
+ ATTR_WRAP = 64,
+ ATTR_WIDE = 128,
+ ATTR_WDUMMY = 256,
};
enum cursor_movement {
- CURSOR_UP,
- CURSOR_DOWN,
- CURSOR_LEFT,
- CURSOR_RIGHT,
CURSOR_SAVE,
CURSOR_LOAD
};
enum cursor_state {
CURSOR_DEFAULT = 0,
- CURSOR_HIDE = 1,
- CURSOR_WRAPNEXT = 2
-};
-
-enum glyph_state {
- GLYPH_SET = 1,
- GLYPH_DIRTY = 2
+ CURSOR_WRAPNEXT = 1,
+ CURSOR_ORIGIN = 2
};
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_REVERSE = 128,
+ MODE_KBDLOCK = 256,
+ MODE_HIDE = 512,
+ MODE_ECHO = 1024,
+ MODE_APPCURSOR = 2048,
+ MODE_MOUSESGR = 4096,
+ MODE_8BIT = 8192,
+ MODE_BLINK = 16384,
+ MODE_FBLINK = 32768,
+ MODE_FOCUS = 65536,
+ MODE_MOUSEX10 = 131072,
+ MODE_MOUSEMANY = 262144,
+ MODE_MOUSE = MODE_MOUSEBTN|MODE_MOUSEMOTION|MODE_MOUSEX10\
+ |MODE_MOUSEMANY,
};
enum escape_state {
ESC_START = 1,
- ESC_CSI = 2,
- ESC_STR = 4, /* DSC, OSC, PM, APC */
+ ESC_CSI = 2,
+ ESC_STR = 4, /* DSC, OSC, PM, APC */
ESC_ALTCHARSET = 8,
ESC_STR_END = 16, /* a final string was encountered */
+ ESC_TEST = 32, /* Enter in test mode */
};
enum window_state {
@@ -126,9 +151,15 @@ enum window_state {
WIN_FOCUSED = 4
};
-/* bit macro */
-#undef B0
-enum { B0=1, B1=2, B2=4, B3=8, B4=16, B5=32, B6=64, B7=128 };
+enum selection_type {
+ SEL_REGULAR = 1,
+ SEL_RECTANGULAR = 2
+};
+
+enum selection_snap {
+ SNAP_WORD = 1,
+ SNAP_LINE = 2
+};
typedef unsigned char uchar;
typedef unsigned int uint;
@@ -136,17 +167,16 @@ typedef unsigned long ulong;
typedef unsigned short ushort;
typedef struct {
- char c[UTF_SIZ]; /* character code */
- uchar mode; /* attribute flags */
- ushort fg; /* foreground */
- ushort bg; /* background */
- uchar state; /* state flags */
+ char c[UTF_SIZ]; /* character code */
+ ushort mode; /* attribute flags */
+ ulong fg; /* foreground */
+ ulong bg; /* background */
} Glyph;
-typedef Glyph* Line;
+typedef Glyph *Line;
typedef struct {
- Glyph attr; /* current char attributes */
+ Glyph attr; /* current char attributes */
int x;
int y;
char state;
@@ -156,71 +186,92 @@ typedef struct {
/* ESC '[' [[ [<priv>] <arg> [;]] <mode>] */
typedef struct {
char buf[ESC_BUF_SIZ]; /* raw string */
- int len; /* raw string length */
+ 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;
/* STR Escape sequence structs */
/* ESC type [[ [<priv>] <arg> [;]] <mode>] ESC '\' */
typedef struct {
- char type; /* ESC type ... */
+ char type; /* ESC type ... */
char buf[STR_BUF_SIZ]; /* raw string */
- int len; /* raw string length */
+ int len; /* raw string length */
char *args[STR_ARG_SIZ];
- int narg; /* nb of args */
+ int narg; /* nb of args */
} STREscape;
/* Internal representation of the screen */
typedef struct {
- int row; /* nb row */
- int col; /* nb col */
- Line* line; /* screen */
- Line* alt; /* alternate screen */
- bool* dirty; /* dirtyness of lines */
- TCursor c; /* cursor */
- int top; /* top scroll limit */
- int bot; /* bottom scroll limit */
- int mode; /* terminal mode flags */
- int esc; /* escape state flags */
+ int row; /* nb row */
+ int col; /* nb col */
+ Line *line; /* screen */
+ Line *alt; /* alternate screen */
+ bool *dirty; /* dirtyness of lines */
+ TCursor c; /* cursor */
+ int top; /* top scroll limit */
+ 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;
- Atom xembed;
+ Drawable buf;
+ Atom xembed, wmdeletewin;
XIM xim;
XIC xic;
+ Draw draw;
+ Visual *vis;
+ XSetWindowAttributes attrs;
int scr;
- Bool isfixed; /* is fixed geometry? */
+ bool isfixed; /* is fixed geometry? */
int fx, fy, fw, fh; /* fixed geometry */
- int w; /* window width */
- int h; /* window height */
+ int tw, th; /* tty width and height */
+ int w, h; /* window width and height */
int ch; /* char height */
int cw; /* char width */
char state; /* focus, redraw, visible */
- struct timeval lastdraw;
} XWindow;
+typedef struct {
+ int b;
+ uint mask;
+ char s[ESC_BUF_SIZ];
+} Mousekey;
+
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... */
typedef struct {
int mode;
- int bx, by;
- int ex, ey;
- struct {int x, y;} b, e;
+ int type;
+ int snap;
+ /*
+ * Selection variables:
+ * nb â normalized coordinates of the beginning of the selection
+ * ne â normalized coordinates of the end of the selection
+ * ob â original coordinates of the beginning of the selection
+ * oe â original coordinates of the end of the selection
+ */
+ struct {
+ int x, y;
+ } nb, ne, ob, oe;
+
char *clip;
Atom xtarget;
bool alt;
@@ -228,29 +279,56 @@ typedef struct {
struct timeval tclick2;
} Selection;
+typedef union {
+ int i;
+ unsigned int ui;
+ float f;
+ const void *v;
+} Arg;
+
+typedef struct {
+ unsigned int mod;
+ KeySym keysym;
+ void (*func)(const Arg *);
+ const Arg arg;
+} Shortcut;
+
+/* function definitions used in config.h */
+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"
+/* Font structure */
+typedef struct {
+ int height;
+ int width;
+ int ascent;
+ int descent;
+ short lbearing;
+ short rbearing;
+ XftFont *match;
+ FcFontSet *set;
+ FcPattern *pattern;
+} Font;
+
/* Drawing Context */
typedef struct {
- ulong col[LEN(colorname) < 256 ? 256 : LEN(colorname)];
+ Colour col[LEN(colorname) < 256 ? 256 : LEN(colorname)];
+ Font font, bfont, ifont, ibfont;
GC gc;
- struct {
- int ascent;
- int descent;
- short lbearing;
- short rbearing;
- XFontSet set;
- } font, bfont, ifont;
} DC;
-static void die(const char*, ...);
+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 run(void);
-static bool last_draw_too_old(void);
static void csidump(void);
static void csihandle(void);
@@ -261,6 +339,7 @@ static void strhandle(void);
static void strparse(void);
static void strreset(void);
+static int tattrset(int);
static void tclearregion(int, int, int, int);
static void tcursor(int);
static void tdeletechar(int);
@@ -268,44 +347,58 @@ static void tdeleteline(int);
static void tinsertblank(int);
static void tinsertblankline(int);
static void tmoveto(int, int);
+static void tmoveato(int x, int y);
static void tnew(int, int);
static void tnewline(int);
static void tputtab(bool);
-static void tputc(char*);
+static void tputc(char *, int);
static void treset(void);
static int tresize(int, int);
static void tscrollup(int, int);
static void tscrolldown(int, int);
static void tsetattr(int*, int);
-static void tsetchar(char*);
+static void tsetchar(char *, Glyph *, int, int);
static void tsetscroll(int, int);
static void tswapscreen(void);
static void tsetdirt(int, int);
+static void tsetdirtattr(int);
static void tsetmode(bool, bool, int *, int);
static void tfulldirt(void);
-
+static void techo(char *, int);
+static long tdefcolor(int *, int *, int);
+static inline bool match(uint, uint);
static void ttynew(void);
static void ttyread(void);
-static void ttyresize(int, int);
+static void ttyresize(void);
static void ttywrite(const char *, size_t);
static void xdraws(char *, Glyph, int, int, int, int);
static void xhints(void);
static void xclear(int, int, int, int);
-static void xcopy(void);
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 int xloadfontset(Font *);
+static void xsettitle(char *);
+static void xresettitle(void);
+static void xsetpointermotion(int);
static void xseturgency(int);
static void xsetsel(char*);
+static void xtermclear(int, int, int, int);
+static void xunloadfont(Font *f);
+static void xunloadfonts(void);
static void xresize(int, int);
static void expose(XEvent *);
static void visibility(XEvent *);
static void unmap(XEvent *);
-static char* kmap(KeySym, uint);
+static char *kmap(KeySym, uint);
static void kpress(XEvent *);
static void cmessage(XEvent *);
+static void cresize(int, int);
static void resize(XEvent *);
static void focus(XEvent *);
static void brelease(XEvent *);
@@ -316,16 +409,21 @@ static void selclear(XEvent *);
static void selrequest(XEvent *);
static void selinit(void);
+static void selsort(void);
static inline bool selected(int, int);
static void selcopy(void);
-static void selpaste(void);
static void selscroll(int, int);
+static void selsnap(int, int *, int *, int);
static int utf8decode(char *, long *);
static int utf8encode(long *, char *);
static int utf8size(char *);
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 (*handler[LASTEvent])(XEvent *) = {
[KeyPress] = kpress,
[ClientMessage] = cmessage,
@@ -352,12 +450,66 @@ static STREscape strescseq;
static int cmdfd;
static pid_t pid;
static Selection sel;
-static FILE *fileio;
-static char **opt_cmd = NULL;
-static char *opt_io = NULL;
+static int iofd = -1;
+static char **opt_cmd = NULL;
+static char *opt_io = NULL;
static char *opt_title = NULL;
static char *opt_embed = NULL;
static char *opt_class = NULL;
+static char *opt_font = NULL;
+static int oldbutton = 3; /* button event on startup: 3 = release */
+
+static char *usedfont = NULL;
+static int usedfontsize = 0;
+
+/* Font Ring Cache */
+enum {
+ FRC_NORMAL,
+ FRC_ITALIC,
+ FRC_BOLD,
+ FRC_ITALICBOLD
+};
+
+typedef struct {
+ XftFont *font;
+ int flags;
+} Fontcache;
+
+/* Fontcache is an array now. A new font will be appended to the array. */
+static Fontcache frc[16];
+static int frclen = 0;
+
+ssize_t
+xwrite(int fd, char *s, size_t len) {
+ size_t aux = len;
+
+ while(len > 0) {
+ ssize_t r = write(fd, s, len);
+ if(r < 0)
+ return r;
+ len -= r;
+ s += r;
+ }
+ return aux;
+}
+
+void *
+xmalloc(size_t len) {
+ void *p = malloc(len);
+
+ if(!p)
+ die("Out of memory\n");
+
+ return p;
+}
+
+void *
+xrealloc(void *p, size_t len) {
+ if((p = realloc(p, len)) == NULL)
+ die("Out of memory\n");
+
+ return p;
+}
int
utf8decode(char *s, long *u) {
@@ -366,35 +518,41 @@ utf8decode(char *s, long *u) {
rtn = 1;
c = *s;
- if(~c & B7) { /* 0xxxxxxx */
+ if(~c & 0x80) { /* 0xxxxxxx */
*u = c;
return rtn;
- } else if((c & (B7|B6|B5)) == (B7|B6)) { /* 110xxxxx */
- *u = c&(B4|B3|B2|B1|B0);
+ } else if((c & 0xE0) == 0xC0) { /* 110xxxxx */
+ *u = c & 0x1F;
n = 1;
- } else if((c & (B7|B6|B5|B4)) == (B7|B6|B5)) { /* 1110xxxx */
- *u = c&(B3|B2|B1|B0);
+ } else if((c & 0xF0) == 0xE0) { /* 1110xxxx */
+ *u = c & 0x0F;
n = 2;
- } else if((c & (B7|B6|B5|B4|B3)) == (B7|B6|B5|B4)) { /* 11110xxx */
- *u = c & (B2|B1|B0);
+ } else if((c & 0xF8) == 0xF0) { /* 11110xxx */
+ *u = c & 0x07;
n = 3;
- } else
+ } else {
goto invalid;
+ }
+
for(i = n, ++s; i > 0; --i, ++rtn, ++s) {
c = *s;
- if((c & (B7|B6)) != B7) /* 10xxxxxx */
+ if((c & 0xC0) != 0x80) /* 10xxxxxx */
goto invalid;
*u <<= 6;
- *u |= c & (B5|B4|B3|B2|B1|B0);
+ *u |= c & 0x3F;
}
+
if((n == 1 && *u < 0x80) ||
(n == 2 && *u < 0x800) ||
(n == 3 && *u < 0x10000) ||
- (*u >= 0xD800 && *u <= 0xDFFF))
+ (*u >= 0xD800 && *u <= 0xDFFF)) {
goto invalid;
+ }
+
return rtn;
invalid:
*u = 0xFFFD;
+
return rtn;
}
@@ -404,31 +562,34 @@ utf8encode(long *u, char *s) {
ulong uc;
int i, n;
- sp = (uchar*) s;
+ sp = (uchar *)s;
uc = *u;
if(uc < 0x80) {
*sp = uc; /* 0xxxxxxx */
return 1;
} else if(*u < 0x800) {
- *sp = (uc >> 6) | (B7|B6); /* 110xxxxx */
+ *sp = (uc >> 6) | 0xC0; /* 110xxxxx */
n = 1;
} else if(uc < 0x10000) {
- *sp = (uc >> 12) | (B7|B6|B5); /* 1110xxxx */
+ *sp = (uc >> 12) | 0xE0; /* 1110xxxx */
n = 2;
} else if(uc <= 0x10FFFF) {
- *sp = (uc >> 18) | (B7|B6|B5|B4); /* 11110xxx */
+ *sp = (uc >> 18) | 0xF0; /* 11110xxx */
n = 3;
} else {
goto invalid;
}
+
for(i=n,++sp; i>0; --i,++sp)
- *sp = ((uc >> 6*(i-1)) & (B5|B4|B3|B2|B1|B0)) | B7; /* 10xxxxxx */
+ *sp = ((uc >> 6*(i-1)) & 0x3F) | 0x80; /* 10xxxxxx */
+
return n+1;
invalid:
/* U+FFFD */
*s++ = '\xEF';
*s++ = '\xBF';
*s = '\xBD';
+
return 3;
}
@@ -438,153 +599,384 @@ int
isfullutf8(char *s, int b) {
uchar *c1, *c2, *c3;
- c1 = (uchar *) s;
- c2 = (uchar *) ++s;
- c3 = (uchar *) ++s;
- if(b < 1)
+ c1 = (uchar *)s;
+ c2 = (uchar *)++s;
+ c3 = (uchar *)++s;
+ if(b < 1) {
return 0;
- else if((*c1&(B7|B6|B5)) == (B7|B6) && b == 1)
+ } else if((*c1 & 0xE0) == 0xC0 && b == 1) {
return 0;
- else if((*c1&(B7|B6|B5|B4)) == (B7|B6|B5) &&
+ } else if((*c1 & 0xF0) == 0xE0 &&
((b == 1) ||
- ((b == 2) && (*c2&(B7|B6)) == B7)))
+ ((b == 2) && (*c2 & 0xC0) == 0x80))) {
return 0;
- else if((*c1&(B7|B6|B5|B4|B3)) == (B7|B6|B5|B4) &&
+ } else if((*c1 & 0xF8) == 0xF0 &&
((b == 1) ||
- ((b == 2) && (*c2&(B7|B6)) == B7) ||
- ((b == 3) && (*c2&(B7|B6)) == B7 && (*c3&(B7|B6)) == B7)))
+ ((b == 2) && (*c2 & 0xC0) == 0x80) ||
+ ((b == 3) && (*c2 & 0xC0) == 0x80 && (*c3 & 0xC0) == 0x80))) {
return 0;
- else
+ } else {
return 1;
+ }
}
int
utf8size(char *s) {
uchar c = *s;
- if(~c&B7)
+ if(~c & 0x80) {
return 1;
- else if((c&(B7|B6|B5)) == (B7|B6))
+ } else if((c & 0xE0) == 0xC0) {
return 2;
- else if((c&(B7|B6|B5|B4)) == (B7|B6|B5))
+ } else if((c & 0xF0) == 0xE0) {
return 3;
- else
+ } else {
return 4;
+ }
}
-void
+static void
selinit(void) {
memset(&sel.tclick1, 0, sizeof(sel.tclick1));
memset(&sel.tclick2, 0, sizeof(sel.tclick2));
sel.mode = 0;
- sel.bx = -1;
+ sel.ob.x = -1;
sel.clip = NULL;
sel.xtarget = XInternAtom(xw.dpy, "UTF8_STRING", 0);
if(sel.xtarget == None)
sel.xtarget = XA_STRING;
}
+static int
+x2col(int x) {
+ x -= borderpx;
+ x /= xw.cw;
+
+ return LIMIT(x, 0, term.col-1);
+}
+
+static int
+y2row(int y) {
+ y -= borderpx;
+ y /= xw.ch;
+
+ return LIMIT(y, 0, term.row-1);
+}
+
+static void
+selsort(void) {
+ if(sel.ob.y == sel.oe.y) {
+ sel.nb.x = MIN(sel.ob.x, sel.oe.x);
+ sel.ne.x = MAX(sel.ob.x, sel.oe.x);
+ } else {
+ sel.nb.x = sel.ob.y < sel.oe.y ? sel.ob.x : sel.oe.x;
+ sel.ne.x = sel.ob.y < sel.oe.y ? sel.oe.x : sel.ob.x;
+ }
+ sel.nb.y = MIN(sel.ob.y, sel.oe.y);
+ sel.ne.y = MAX(sel.ob.y, sel.oe.y);
+}
+
static inline bool
selected(int x, int y) {
- if(sel.ey == y && sel.by == y) {
- int bx = MIN(sel.bx, sel.ex);
- int ex = MAX(sel.bx, sel.ex);
- return BETWEEN(x, bx, ex);
+ if(sel.ne.y == y && sel.nb.y == y)
+ return BETWEEN(x, sel.nb.x, sel.ne.x);
+
+ if(sel.type == SEL_RECTANGULAR) {
+ return ((sel.nb.y <= y && y <= sel.ne.y)
+ && (sel.nb.x <= x && x <= sel.ne.x));
+ }
+
+ return ((sel.nb.y < y && y < sel.ne.y)
+ || (y == sel.ne.y && x <= sel.ne.x))
+ || (y == sel.nb.y && x >= sel.nb.x
+ && (x <= sel.ne.x || sel.nb.y != sel.ne.y));
+}
+
+void
+selsnap(int mode, int *x, int *y, int direction) {
+ int i;
+
+ switch(mode) {
+ case SNAP_WORD:
+ /*
+ * Snap around if the word wraps around at the end or
+ * beginning of a line.
+ */
+ for(;;) {
+ if(direction < 0 && *x <= 0) {
+ if(*y > 0 && term.line[*y - 1][term.col-1].mode
+ & ATTR_WRAP) {
+ *y -= 1;
+ *x = term.col-1;
+ } else {
+ break;
+ }
+ }
+ if(direction > 0 && *x >= term.col-1) {
+ if(*y < term.row-1 && term.line[*y][*x].mode
+ & ATTR_WRAP) {
+ *y += 1;
+ *x = 0;
+ } else {
+ break;
+ }
+ }
+
+ if(term.line[*y][*x+direction].mode & ATTR_WDUMMY) {
+ *x += direction;
+ continue;
+ }
+
+ if(strchr(worddelimiters,
+ term.line[*y][*x+direction].c[0])) {
+ break;
+ }
+
+ *x += direction;
+ }
+ break;
+ case SNAP_LINE:
+ /*
+ * Snap around if the the previous line or the current one
+ * has set ATTR_WRAP at its end. Then the whole next or
+ * previous line will be selected.
+ */
+ *x = (direction < 0) ? 0 : term.col - 1;
+ if(direction < 0 && *y > 0) {
+ for(; *y > 0; *y += direction) {
+ if(!(term.line[*y-1][term.col-1].mode
+ & ATTR_WRAP)) {
+ break;
+ }
+ }
+ } else if(direction > 0 && *y < term.row-1) {
+ for(; *y < term.row; *y += direction) {
+ if(!(term.line[*y][term.col-1].mode
+ & ATTR_WRAP)) {
+ break;
+ }
+ }
+ }
+ break;
+ default:
+ /*
+ * Select the whole line when the end of line is reached.
+ */
+ if(direction > 0) {
+ i = term.col;
+ while(--i > 0 && term.line[*y][i].c[0] == ' ')
+ /* nothing */;
+ if(i > 0 && i < *x)
+ *x = term.col - 1;
+ }
+ break;
}
- 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
-getbuttoninfo(XEvent *e, int *b, int *x, int *y) {
- if(b)
- *b = e->xbutton.button;
+getbuttoninfo(XEvent *e) {
+ int type;
+ uint state = e->xbutton.state &~Button1Mask;
- *x = X2COL(e->xbutton.x);
- *y = Y2ROW(e->xbutton.y);
- sel.b.x = sel.by < sel.ey ? sel.bx : sel.ex;
- 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.alt = IS_SET(MODE_ALTSCREEN);
+
+ sel.oe.x = x2col(e->xbutton.x);
+ sel.oe.y = y2row(e->xbutton.y);
+
+ if(sel.ob.y < sel.oe.y
+ || (sel.ob.y == sel.oe.y && sel.ob.x < sel.oe.x)) {
+ selsnap(sel.snap, &sel.ob.x, &sel.ob.y, -1);
+ selsnap(sel.snap, &sel.oe.x, &sel.oe.y, +1);
+ } else {
+ selsnap(sel.snap, &sel.oe.x, &sel.oe.y, -1);
+ selsnap(sel.snap, &sel.ob.x, &sel.ob.y, +1);
+ }
+ selsort();
+
+ 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 };
- static int ob, ox, oy;
+ 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 ox, oy;
/* from urxvt */
if(e->xbutton.type == MotionNotify) {
- if(!IS_SET(MODE_MOUSEMOTION) || (x == ox && y == oy))
+ if(x == ox && y == oy)
+ return;
+ if(!IS_SET(MODE_MOUSEMOTION) && !IS_SET(MODE_MOUSEMANY))
return;
- button = ob + 32;
- ox = x, oy = y;
- } else if(e->xbutton.type == ButtonRelease || button == AnyButton) {
+ /* MOUSE_MOTION: no reporting if no button is pressed */
+ if(IS_SET(MODE_MOUSEMOTION) && oldbutton == 3)
+ return;
+
+ button = oldbutton + 32;
+ ox = x;
+ oy = y;
+ } else if(!IS_SET(MODE_MOUSESGR)
+ && (e->xbutton.type == ButtonRelease
+ || button == AnyButton)) {
button = 3;
} else {
button -= Button1;
if(button >= 3)
button += 64 - 3;
if(e->xbutton.type == ButtonPress) {
- ob = button;
- ox = x, oy = y;
+ oldbutton = button;
+ ox = x;
+ oy = y;
}
}
- buf[3] = 32 + button + (state & ShiftMask ? 4 : 0)
- + (state & Mod4Mask ? 8 : 0)
- + (state & ControlMask ? 16 : 0);
+ if(!IS_SET(MODE_MOUSEX10)) {
+ button += (state & ShiftMask ? 4 : 0)
+ + (state & Mod4Mask ? 8 : 0)
+ + (state & ControlMask ? 16 : 0);
+ }
+
+ 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",
+ IS_SET(MODE_MOUSEX10)? button-1 : 32+button,
+ 32+x+1, 32+y+1);
+ } else {
+ return;
+ }
- ttywrite(buf, sizeof(buf));
+ ttywrite(buf, len);
}
void
bpress(XEvent *e) {
- if(IS_SET(MODE_MOUSE))
+ struct timeval now;
+ Mousekey *mk;
+
+ if(IS_SET(MODE_MOUSE)) {
mousereport(e);
- else if(e->xbutton.button == Button1) {
- if(sel.bx != -1)
- tsetdirt(sel.b.y, sel.e.y);
+ return;
+ }
+
+ for(mk = mshortcuts; mk < mshortcuts + LEN(mshortcuts); mk++) {
+ if(e->xbutton.button == mk->b
+ && match(mk->mask, e->xbutton.state)) {
+ ttywrite(mk->s, strlen(mk->s));
+ if(IS_SET(MODE_ECHO))
+ techo(mk->s, strlen(mk->s));
+ return;
+ }
+ }
+
+ if(e->xbutton.button == Button1) {
+ gettimeofday(&now, NULL);
+
+ /* Clear previous selection, logically and visually. */
+ selclear(NULL);
sel.mode = 1;
- sel.ex = sel.bx = X2COL(e->xbutton.x);
- sel.ey = sel.by = Y2ROW(e->xbutton.y);
+ sel.type = SEL_REGULAR;
+ sel.oe.x = sel.ob.x = x2col(e->xbutton.x);
+ sel.oe.y = sel.ob.y = y2row(e->xbutton.y);
+
+ /*
+ * If the user clicks below predefined timeouts specific
+ * snapping behaviour is exposed.
+ */
+ if(TIMEDIFF(now, sel.tclick2) <= tripleclicktimeout) {
+ sel.snap = SNAP_LINE;
+ } else if(TIMEDIFF(now, sel.tclick1) <= doubleclicktimeout) {
+ sel.snap = SNAP_WORD;
+ } else {
+ sel.snap = 0;
+ }
+ selsnap(sel.snap, &sel.ob.x, &sel.ob.y, -1);
+ selsnap(sel.snap, &sel.oe.x, &sel.oe.y, +1);
+ selsort();
+
+ /*
+ * Draw selection, unless it's regular and we don't want to
+ * make clicks visible
+ */
+ if(sel.snap != 0) {
+ sel.mode++;
+ tsetdirt(sel.nb.y, sel.ne.y);
+ }
+ sel.tclick2 = sel.tclick1;
+ sel.tclick1 = now;
}
}
void
selcopy(void) {
char *str, *ptr;
- int x, y, bufsize, is_selected = 0;
+ int x, y, bufsize, size, i, ex;
+ Glyph *gp, *last;
- if(sel.bx == -1)
+ if(sel.ob.x == -1) {
str = NULL;
-
- else {
- bufsize = (term.col+1) * (sel.e.y-sel.b.y+1) * UTF_SIZ;
- ptr = str = malloc(bufsize);
+ } else {
+ bufsize = (term.col+1) * (sel.ne.y-sel.nb.y+1) * UTF_SIZ;
+ ptr = str = xmalloc(bufsize);
/* append every set & selected glyph to the selection */
- for(y = 0; y < term.row; y++) {
- for(x = 0; x < term.col; x++) {
- is_selected = selected(x, y);
- if((term.line[y][x].state & GLYPH_SET) && is_selected) {
- int size = utf8size(term.line[y][x].c);
- memcpy(ptr, term.line[y][x].c, size);
- ptr += size;
- }
+ for(y = sel.nb.y; y < sel.ne.y + 1; y++) {
+ gp = &term.line[y][0];
+ last = gp + term.col;
+
+ while(--last >= gp && !(selected(last - gp, y) && \
+ strcmp(last->c, " ") != 0))
+ /* nothing */;
+
+ for(x = 0; gp <= last; x++, ++gp) {
+ if(!selected(x, y) || (gp->mode & ATTR_WDUMMY))
+ continue;
+
+ size = utf8size(gp->c);
+ memcpy(ptr, gp->c, 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(y < sel.ne.y && !((gp-1)->mode & ATTR_WRAP))
*ptr++ = '\n';
+
+ /*
+ * If the last selected line expands in the selection
+ * after the visible text '\n' is appended.
+ */
+ if(y == sel.ne.y) {
+ i = term.col;
+ while(--i > 0 && term.line[y][i].c[0] == ' ')
+ /* nothing */;
+ ex = sel.ne.x;
+ if(sel.nb.y == sel.ne.y && sel.ne.x < sel.nb.x)
+ ex = sel.nb.x;
+ if(i < ex)
+ *ptr++ = '\n';
+ }
}
*ptr = 0;
}
- sel.alt = IS_SET(MODE_ALTSCREEN);
xsetsel(str);
}
@@ -592,7 +984,7 @@ void
selnotify(XEvent *e) {
ulong nitems, ofs, rem;
int format;
- uchar *data;
+ uchar *data, *last, *repl;
Atom type;
ofs = 0;
@@ -603,7 +995,21 @@ 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;
@@ -611,23 +1017,33 @@ selnotify(XEvent *e) {
}
void
-selpaste() {
- XConvertSelection(xw.dpy, XA_PRIMARY, sel.xtarget, XA_PRIMARY, xw.win, CurrentTime);
+selpaste(const Arg *dummy) {
+ XConvertSelection(xw.dpy, XA_PRIMARY, sel.xtarget, XA_PRIMARY,
+ xw.win, CurrentTime);
+}
+
+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)
+void
+selclear(XEvent *e) {
+ if(sel.ob.x == -1)
return;
- sel.bx = -1;
- tsetdirt(sel.b.y, sel.e.y);
- draw();
+ sel.ob.x = -1;
+ tsetdirt(sel.nb.y, sel.ne.y);
}
void
selrequest(XEvent *e) {
XSelectionRequestEvent *xsre;
XSelectionEvent xev;
- Atom xa_targets;
+ Atom xa_targets, string;
xsre = (XSelectionRequestEvent *) e;
xev.type = SelectionNotify;
@@ -641,7 +1057,7 @@ selrequest(XEvent *e) {
xa_targets = XInternAtom(xw.dpy, "TARGETS", 0);
if(xsre->target == xa_targets) {
/* respond with the supported type */
- Atom string = sel.xtarget;
+ string = sel.xtarget;
XChangeProperty(xsre->display, xsre->requestor, xsre->property,
XA_ATOM, 32, PropModeReplace,
(uchar *) &string, 1);
@@ -670,8 +1086,6 @@ xsetsel(char *str) {
clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
XSetSelectionOwner(xw.dpy, clipboard, xw.win, CurrentTime);
-
- XFlush(xw.dpy);
}
void
@@ -680,60 +1094,42 @@ brelease(XEvent *e) {
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);
- term.dirty[sel.ey] = 1;
- 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) {
- /* triple click on the line */
- sel.b.x = sel.bx = 0;
- sel.e.x = sel.ex = term.col;
- sel.b.y = sel.e.y = sel.ey;
- selcopy();
- } else if(TIMEDIFF(now, sel.tclick1) <= DOUBLECLICK_TIMEOUT) {
- /* double click to select word */
- sel.bx = sel.ex;
- 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(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(e->xbutton.button == Button2) {
+ selpaste(NULL);
+ } else if(e->xbutton.button == Button1) {
+ if(sel.mode < 2) {
+ selclear(NULL);
+ } else {
+ getbuttoninfo(e);
selcopy();
+ }
+ sel.mode = 0;
+ tsetdirt(sel.nb.y, sel.ne.y);
}
- memcpy(&sel.tclick2, &sel.tclick1, sizeof(struct timeval));
- gettimeofday(&sel.tclick1, NULL);
- draw();
}
void
bmotion(XEvent *e) {
+ int oldey, oldex, oldsby, oldsey;
+
if(IS_SET(MODE_MOUSE)) {
mousereport(e);
return;
}
- if(sel.mode) {
- 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);
- tsetdirt(starty, endy);
- draw();
- }
- }
+ if(!sel.mode)
+ return;
+
+ sel.mode++;
+ oldey = sel.oe.y;
+ oldex = sel.oe.x;
+ oldsby = sel.nb.y;
+ oldsey = sel.ne.y;
+ getbuttoninfo(e);
+
+ if(oldey != sel.oe.y || oldex != sel.oe.x)
+ tsetdirt(MIN(sel.nb.y, oldsby), MAX(sel.ne.y, oldsey));
}
void
@@ -750,14 +1146,33 @@ void
execsh(void) {
char **args;
char *envshell = getenv("SHELL");
+ const struct passwd *pass = getpwuid(getuid());
+ char buf[sizeof(long) * 8 + 1];
unsetenv("COLUMNS");
unsetenv("LINES");
unsetenv("TERMCAP");
- DEFAULT(envshell, SHELL);
- putenv("TERM="TNAME);
- args = opt_cmd ? opt_cmd : (char*[]){envshell, "-i", NULL};
+ if(pass) {
+ setenv("LOGNAME", pass->pw_name, 1);
+ setenv("USER", pass->pw_name, 1);
+ setenv("SHELL", pass->pw_shell, 0);
+ setenv("HOME", pass->pw_dir, 0);
+ }
+
+ snprintf(buf, sizeof(buf), "%lu", xw.win);
+ setenv("WINDOWID", buf, 1);
+
+ signal(SIGCHLD, SIG_DFL);
+ signal(SIGHUP, SIG_DFL);
+ signal(SIGINT, SIG_DFL);
+ signal(SIGQUIT, SIG_DFL);
+ signal(SIGTERM, SIG_DFL);
+ signal(SIGALRM, SIG_DFL);
+
+ DEFAULT(envshell, shell);
+ setenv("TERM", termname, 1);
+ args = opt_cmd ? opt_cmd : (char *[]){envshell, "-i", NULL};
execvp(args[0], args);
exit(EXIT_FAILURE);
}
@@ -765,20 +1180,23 @@ execsh(void) {
void
sigchld(int a) {
int stat = 0;
+
if(waitpid(pid, &stat, 0) < 0)
- die("Waiting for pid %hd failed: %s\n", pid, SERRNO);
- if(WIFEXITED(stat))
+ die("Waiting for pid %hd failed: %s\n", pid, SERRNO);
+
+ if(WIFEXITED(stat)) {
exit(WEXITSTATUS(stat));
- else
+ } else {
exit(EXIT_FAILURE);
+ }
}
void
ttynew(void) {
int m, s;
+ struct winsize w = {term.row, term.col, 0, 0};
/* seems to work fine on linux, openbsd and freebsd */
- struct winsize w = {term.row, term.col, 0, 0};
if(openpty(&m, &s, NULL, NULL, &w) < 0)
die("openpty failed: %s\n", SERRNO);
@@ -802,13 +1220,12 @@ ttynew(void) {
cmdfd = m;
signal(SIGCHLD, sigchld);
if(opt_io) {
- if(!strcmp(opt_io, "-")) {
- fileio = stdout;
- } else {
- if(!(fileio = fopen(opt_io, "w"))) {
- fprintf(stderr, "Error opening %s:%s\n",
- opt_io, strerror(errno));
- }
+ iofd = (!strcmp(opt_io, "-")) ?
+ STDOUT_FILENO :
+ open(opt_io, O_WRONLY | O_CREAT, 0666);
+ if(iofd < 0) {
+ fprintf(stderr, "Error opening %s:%s\n",
+ opt_io, strerror(errno));
}
}
}
@@ -817,6 +1234,7 @@ ttynew(void) {
void
dump(char c) {
static int col;
+
fprintf(stderr, " %02x '%c' ", c, isprint(c)?c:'.');
if(++col % 10 == 0)
fprintf(stderr, "\n");
@@ -842,8 +1260,8 @@ ttyread(void) {
while(buflen >= UTF_SIZ || isfullutf8(ptr,buflen)) {
charsize = utf8decode(ptr, &utf8c);
utf8encode(&utf8c, s);
- tputc(s);
- ptr += charsize;
+ tputc(s, charsize);
+ ptr += charsize;
buflen -= charsize;
}
@@ -858,20 +1276,33 @@ ttywrite(const char *s, size_t n) {
}
void
-ttyresize(int x, int y) {
+ttyresize(void) {
struct winsize w;
w.ws_row = term.row;
w.ws_col = term.col;
- w.ws_xpixel = xw.w;
- w.ws_ypixel = xw.h;
+ w.ws_xpixel = xw.tw;
+ w.ws_ypixel = xw.th;
if(ioctl(cmdfd, TIOCSWINSZ, &w) < 0)
fprintf(stderr, "Couldn't set window size: %s\n", SERRNO);
}
+int
+tattrset(int attr) {
+ int i, j;
+
+ for(i = 0; i < term.row-1; i++) {
+ for(j = 0; j < term.col-1; j++) {
+ if(term.line[i][j].mode & attr)
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
void
-tsetdirt(int top, int bot)
-{
+tsetdirt(int top, int bot) {
int i;
LIMIT(top, 0, term.row-1);
@@ -882,8 +1313,21 @@ tsetdirt(int top, int bot)
}
void
-tfulldirt(void)
-{
+tsetdirtattr(int attr) {
+ int i, j;
+
+ for(i = 0; i < term.row-1; i++) {
+ for(j = 0; j < term.col-1; j++) {
+ if(term.line[i][j].mode & attr) {
+ tsetdirt(i, i);
+ break;
+ }
+ }
+ }
+}
+
+void
+tfulldirt(void) {
tsetdirt(0, term.row-1);
}
@@ -891,51 +1335,49 @@ void
tcursor(int mode) {
static TCursor c;
- if(mode == CURSOR_SAVE)
+ if(mode == CURSOR_SAVE) {
c = term.c;
- else if(mode == CURSOR_LOAD)
- term.c = c, tmoveto(c.x, c.y);
+ } else if(mode == CURSOR_LOAD) {
+ term.c = c;
+ tmoveto(c.x, c.y);
+ }
}
void
treset(void) {
- unsigned i;
+ uint i;
+
term.c = (TCursor){{
.mode = ATTR_NULL,
- .fg = DefaultFG,
- .bg = DefaultBG
+ .fg = defaultfg,
+ .bg = defaultbg
}, .x = 0, .y = 0, .state = CURSOR_DEFAULT};
memset(term.tabs, 0, term.col * sizeof(*term.tabs));
- for(i = TAB; i < term.col; i += TAB)
+ for(i = tabspaces; i < term.col; i += tabspaces)
term.tabs[i] = 1;
- term.top = 0, term.bot = term.row - 1;
+ term.top = 0;
+ term.bot = term.row - 1;
term.mode = MODE_WRAP;
+
tclearregion(0, 0, term.col-1, term.row-1);
+ tmoveto(0, 0);
+ tcursor(CURSOR_SAVE);
}
void
tnew(int col, int row) {
- /* set screen size */
- term.row = row, term.col = col;
- term.line = malloc(term.row * sizeof(Line));
- term.alt = malloc(term.row * sizeof(Line));
- term.dirty = malloc(term.row * sizeof(*term.dirty));
- term.tabs = malloc(term.col * sizeof(*term.tabs));
-
- for(row = 0; row < term.row; row++) {
- term.line[row] = malloc(term.col * sizeof(Glyph));
- term.alt [row] = malloc(term.col * sizeof(Glyph));
- term.dirty[row] = 0;
- }
- memset(term.tabs, 0, term.col * sizeof(*term.tabs));
- /* setup screen */
+ term = (Term){ .c = { .attr = { .fg = defaultfg, .bg = defaultbg } } };
+ tresize(col, row);
+ term.numlock = 1;
+
treset();
}
void
tswapscreen(void) {
- Line* tmp = term.line;
+ Line *tmp = term.line;
+
term.line = term.alt;
term.alt = tmp;
term.mode ^= MODE_ALTSCREEN;
@@ -985,76 +1427,133 @@ tscrollup(int orig, int n) {
void
selscroll(int orig, int n) {
- if(sel.bx == -1)
+ if(sel.ob.x == -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;
+ if(BETWEEN(sel.ob.y, orig, term.bot) || BETWEEN(sel.oe.y, orig, term.bot)) {
+ if((sel.ob.y += n) > term.bot || (sel.oe.y += n) < term.top) {
+ selclear(NULL);
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;
+ if(sel.type == SEL_RECTANGULAR) {
+ if(sel.ob.y < term.top)
+ sel.ob.y = term.top;
+ if(sel.oe.y > term.bot)
+ sel.oe.y = term.bot;
+ } else {
+ if(sel.ob.y < term.top) {
+ sel.ob.y = term.top;
+ sel.ob.x = 0;
+ }
+ if(sel.oe.y > term.bot) {
+ sel.oe.y = term.bot;
+ sel.oe.x = term.col;
+ }
}
- sel.b.y = sel.by, sel.b.x = sel.bx;
- sel.e.y = sel.ey, sel.e.x = sel.ex;
+ selsort();
}
}
void
tnewline(int first_col) {
int y = term.c.y;
- if(y == term.bot)
+
+ if(y == term.bot) {
tscrollup(term.top, 1);
- else
+ } else {
y++;
+ }
tmoveto(first_col ? 0 : term.c.x, y);
}
void
csiparse(void) {
- /* int noarg = 1; */
- char *p = csiescseq.buf;
+ char *p = csiescseq.buf, *np;
+ long int v;
csiescseq.narg = 0;
- if(*p == '?')
- csiescseq.priv = 1, p++;
+ if(*p == '?') {
+ csiescseq.priv = 1;
+ p++;
+ }
+ csiescseq.buf[csiescseq.len] = '\0';
while(p < csiescseq.buf+csiescseq.len) {
- while(isdigit(*p)) {
- csiescseq.arg[csiescseq.narg] *= 10;
- csiescseq.arg[csiescseq.narg] += *p++ - '0'/*, noarg = 0 */;
- }
- if(*p == ';' && csiescseq.narg+1 < ESC_ARG_SIZ)
- csiescseq.narg++, p++;
- else {
- csiescseq.mode = *p;
- csiescseq.narg++;
- return;
- }
+ np = NULL;
+ v = strtol(p, &np, 10);
+ if(np == p)
+ v = 0;
+ if(v == LONG_MAX || v == LONG_MIN)
+ v = -1;
+ csiescseq.arg[csiescseq.narg++] = v;
+ p = np;
+ if(*p != ';' || csiescseq.narg == ESC_ARG_SIZ)
+ break;
+ p++;
}
+ csiescseq.mode = *p;
+}
+
+/* for absolute user moves, when decom is set */
+void
+tmoveato(int x, int y) {
+ tmoveto(x, y + ((term.c.state & CURSOR_ORIGIN) ? term.top: 0));
}
void
tmoveto(int x, int y) {
+ int miny, maxy;
+
+ if(term.c.state & CURSOR_ORIGIN) {
+ miny = term.top;
+ maxy = term.bot;
+ } else {
+ miny = 0;
+ maxy = term.row - 1;
+ }
LIMIT(x, 0, term.col-1);
- LIMIT(y, 0, term.row-1);
+ LIMIT(y, miny, maxy);
term.c.state &= ~CURSOR_WRAPNEXT;
term.c.x = x;
term.c.y = y;
}
void
-tsetchar(char *c) {
- term.dirty[term.c.y] = 1;
- term.line[term.c.y][term.c.x] = term.c.attr;
- memcpy(term.line[term.c.y][term.c.x].c, c, UTF_SIZ);
- term.line[term.c.y][term.c.x].state |= GLYPH_SET;
+tsetchar(char *c, Glyph *attr, int x, int y) {
+ static char *vt100_0[62] = { /* 0x41 - 0x7e */
+ "â", "â", "â", "â", "â", "â", "â", /* A - G */
+ 0, 0, 0, 0, 0, 0, 0, 0, /* H - O */
+ 0, 0, 0, 0, 0, 0, 0, 0, /* P - W */
+ 0, 0, 0, 0, 0, 0, 0, " ", /* X - _ */
+ "â", "â", "â", "â", "â", "â", "°", "±", /* ` - g */
+ "â¤", "â", "â", "â", "â", "â", "â¼", "âº", /* h - o */
+ "â»", "â", "â¼", "â½", "â", "â¤", "â´", "â¬", /* p - w */
+ "â", "â¤", "â¥", "Ï", "â ", "£", "·", /* x - ~ */
+ };
+
+ /*
+ * The table is proudly stolen from rxvt.
+ */
+ if(attr->mode & ATTR_GFX) {
+ if(c[0] >= 0x41 && c[0] <= 0x7e
+ && vt100_0[c[0] - 0x41]) {
+ c = vt100_0[c[0] - 0x41];
+ }
+ }
+
+ if(term.line[y][x].mode & ATTR_WIDE) {
+ if(x+1 < term.col) {
+ term.line[y][x+1].c[0] = ' ';
+ term.line[y][x+1].mode &= ~ATTR_WDUMMY;
+ }
+ } else if(term.line[y][x].mode & ATTR_WDUMMY) {
+ term.line[y][x-1].c[0] = ' ';
+ term.line[y][x-1].mode &= ~ATTR_WIDE;
+ }
+
+ term.dirty[y] = 1;
+ term.line[y][x] = *attr;
+ memcpy(term.line[y][x].c, c, UTF_SIZ);
}
void
@@ -1073,8 +1572,12 @@ 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(selected(x, y))
+ selclear(NULL);
+ term.line[y][x] = term.c.attr;
+ memcpy(term.line[y][x].c, " ", 2);
+ }
}
}
@@ -1090,7 +1593,9 @@ tdeletechar(int n) {
tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
return;
}
- memmove(&term.line[term.c.y][dst], &term.line[term.c.y][src], size * sizeof(Glyph));
+
+ 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);
}
@@ -1106,7 +1611,9 @@ tinsertblank(int n) {
tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
return;
}
- memmove(&term.line[term.c.y][dst], &term.line[term.c.y][src], size * sizeof(Glyph));
+
+ 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);
}
@@ -1126,87 +1633,129 @@ tdeleteline(int n) {
tscrollup(term.c.y, n);
}
+long
+tdefcolor(int *attr, int *npar, int l) {
+ long idx = -1;
+ uint r, g, b;
+
+ switch (attr[*npar + 1]) {
+ case 2: /* direct colour in RGB space */
+ if (*npar + 4 >= l) {
+ fprintf(stderr,
+ "erresc(38): Incorrect number of parameters (%d)\n",
+ *npar);
+ break;
+ }
+ r = attr[*npar + 2];
+ g = attr[*npar + 3];
+ b = attr[*npar + 4];
+ *npar += 4;
+ if(!BETWEEN(r, 0, 255) || !BETWEEN(g, 0, 255) || !BETWEEN(b, 0, 255))
+ fprintf(stderr, "erresc: bad rgb color (%d,%d,%d)\n",
+ r, g, b);
+ else
+ idx = TRUECOLOR(r, g, b);
+ break;
+ case 5: /* indexed colour */
+ if (*npar + 2 >= l) {
+ fprintf(stderr,
+ "erresc(38): Incorrect number of parameters (%d)\n",
+ *npar);
+ break;
+ }
+ *npar += 2;
+ if(!BETWEEN(attr[*npar], 0, 255))
+ fprintf(stderr, "erresc: bad fgcolor %d\n", attr[*npar]);
+ else
+ idx = attr[*npar];
+ break;
+ case 0: /* implemented defined (only foreground) */
+ case 1: /* transparent */
+ case 3: /* direct colour in CMY space */
+ case 4: /* direct colour in CMYK space */
+ default:
+ fprintf(stderr,
+ "erresc(38): gfx attr %d unknown\n", attr[*npar]);
+ }
+
+ return idx;
+}
+
void
tsetattr(int *attr, int l) {
int i;
+ long idx;
for(i = 0; i < l; i++) {
switch(attr[i]) {
case 0:
- term.c.attr.mode &= ~(ATTR_REVERSE | ATTR_UNDERLINE | ATTR_BOLD \
- | ATTR_ITALIC | ATTR_BLINK);
- term.c.attr.fg = DefaultFG;
- term.c.attr.bg = DefaultBG;
+ term.c.attr.mode &= ~(ATTR_REVERSE | ATTR_UNDERLINE \
+ | ATTR_BOLD | ATTR_ITALIC \
+ | ATTR_BLINK);
+ term.c.attr.fg = defaultfg;
+ term.c.attr.bg = defaultbg;
break;
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:
term.c.attr.mode |= ATTR_REVERSE;
break;
+ case 21:
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:
term.c.attr.mode &= ~ATTR_REVERSE;
break;
case 38:
- if(i + 2 < l && attr[i + 1] == 5) {
- i += 2;
- if(BETWEEN(attr[i], 0, 255))
- term.c.attr.fg = attr[i];
- else
- fprintf(stderr, "erresc: bad fgcolor %d\n", attr[i]);
- }
- else
- fprintf(stderr, "erresc(38): gfx attr %d unknown\n", attr[i]);
+ if ((idx = tdefcolor(attr, &i, l)) >= 0)
+ term.c.attr.fg = idx;
break;
case 39:
- term.c.attr.fg = DefaultFG;
+ term.c.attr.fg = defaultfg;
break;
case 48:
- if(i + 2 < l && attr[i + 1] == 5) {
- i += 2;
- if(BETWEEN(attr[i], 0, 255))
- term.c.attr.bg = attr[i];
- else
- fprintf(stderr, "erresc: bad bgcolor %d\n", attr[i]);
- }
- else
- fprintf(stderr, "erresc(48): gfx attr %d unknown\n", attr[i]);
+ if ((idx = tdefcolor(attr, &i, l)) >= 0)
+ term.c.attr.bg = idx;
break;
case 49:
- term.c.attr.bg = DefaultBG;
+ term.c.attr.bg = defaultbg;
break;
default:
- if(BETWEEN(attr[i], 30, 37))
+ if(BETWEEN(attr[i], 30, 37)) {
term.c.attr.fg = attr[i] - 30;
- else if(BETWEEN(attr[i], 40, 47))
+ } else if(BETWEEN(attr[i], 40, 47)) {
term.c.attr.bg = attr[i] - 40;
- else if(BETWEEN(attr[i], 90, 97))
+ } else if(BETWEEN(attr[i], 90, 97)) {
term.c.attr.fg = attr[i] - 90 + 8;
- else if(BETWEEN(attr[i], 100, 107))
- term.c.attr.fg = attr[i] - 100 + 8;
- else
- fprintf(stderr, "erresc(default): gfx attr %d unknown\n", attr[i]), csidump();
+ } else if(BETWEEN(attr[i], 100, 107)) {
+ term.c.attr.bg = attr[i] - 100 + 8;
+ } else {
+ fprintf(stderr,
+ "erresc(default): gfx attr %d unknown\n",
+ attr[i]), csidump();
+ }
break;
}
}
@@ -1232,51 +1781,98 @@ tsetscroll(int t, int b) {
void
tsetmode(bool priv, bool set, int *args, int narg) {
int *lim, mode;
+ bool alt;
for(lim = args + narg; args < lim; ++args) {
if(priv) {
switch(*args) {
- case 1:
- MODBIT(term.mode, set, MODE_APPKEYPAD);
break;
- case 5: /* DECSCNM -- Reverve video */
+ case 1: /* DECCKM -- Cursor key */
+ MODBIT(term.mode, set, MODE_APPCURSOR);
+ break;
+ case 5: /* DECSCNM -- Reverse video */
mode = term.mode;
- MODBIT(term.mode,set, MODE_REVERSE);
+ MODBIT(term.mode, set, MODE_REVERSE);
if(mode != term.mode)
- redraw();
+ redraw(REDRAW_TIMEOUT);
break;
- case 7:
- MODBIT(term.mode, set, MODE_WRAP);
+ case 6: /* DECOM -- Origin */
+ MODBIT(term.c.state, set, CURSOR_ORIGIN);
+ tmoveato(0, 0);
break;
- case 20:
- MODBIT(term.mode, set, MODE_CRLF);
+ case 7: /* DECAWM -- Auto wrap */
+ MODBIT(term.mode, set, MODE_WRAP);
break;
+ case 0: /* Error (IGNORED) */
+ case 2: /* DECANM -- ANSI/VT52 (IGNORED) */
+ case 3: /* DECCOLM -- Column (IGNORED) */
+ case 4: /* DECSCLM -- Scroll (IGNORED) */
+ case 8: /* DECARM -- Auto repeat (IGNORED) */
+ case 18: /* DECPFF -- Printer feed (IGNORED) */
+ case 19: /* DECPEX -- Printer extent (IGNORED) */
+ case 42: /* DECNRCM -- National characters (IGNORED) */
case 12: /* att610 -- Start blinking cursor (IGNORED) */
break;
- case 25:
- MODBIT(term.c.state, !set, CURSOR_HIDE);
+ case 25: /* DECTCEM -- Text Cursor Enable Mode */
+ MODBIT(term.mode, !set, MODE_HIDE);
+ break;
+ case 9: /* X10 mouse compatibility mode */
+ xsetpointermotion(0);
+ MODBIT(term.mode, 0, MODE_MOUSE);
+ MODBIT(term.mode, set, MODE_MOUSEX10);
break;
- case 1000: /* 1000,1002: enable xterm mouse report */
+ case 1000: /* 1000: report button press */
+ xsetpointermotion(0);
+ MODBIT(term.mode, 0, MODE_MOUSE);
MODBIT(term.mode, set, MODE_MOUSEBTN);
break;
- case 1002:
+ case 1002: /* 1002: report motion on button press */
+ xsetpointermotion(0);
+ MODBIT(term.mode, 0, MODE_MOUSE);
MODBIT(term.mode, set, MODE_MOUSEMOTION);
break;
+ case 1003: /* 1003: enable all mouse motions */
+ xsetpointermotion(set);
+ MODBIT(term.mode, 0, MODE_MOUSE);
+ MODBIT(term.mode, set, MODE_MOUSEMANY);
+ break;
+ case 1004: /* 1004: send focus events to tty */
+ MODBIT(term.mode, set, MODE_FOCUS);
+ break;
+ case 1006: /* 1006: extended reporting mode */
+ MODBIT(term.mode, set, MODE_MOUSESGR);
+ break;
+ case 1034:
+ MODBIT(term.mode, set, MODE_8BIT);
+ break;
case 1049: /* = 1047 and 1048 */
case 47:
case 1047:
- if(IS_SET(MODE_ALTSCREEN))
- tclearregion(0, 0, term.col-1, term.row-1);
- if((set && !IS_SET(MODE_ALTSCREEN)) ||
- (!set && IS_SET(MODE_ALTSCREEN))) {
- tswapscreen();
+ if (!allowaltscreen)
+ break;
+
+ alt = IS_SET(MODE_ALTSCREEN);
+ if(alt) {
+ tclearregion(0, 0, term.col-1,
+ term.row-1);
}
+ if(set ^ alt) /* set is always 1 or 0 */
+ tswapscreen();
if(*args != 1049)
break;
- /* pass through */
+ /* FALLTRU */
case 1048:
tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
break;
+ /* Not implemented mouse modes. See comments there. */
+ case 1001: /* mouse highlight mode; can hang the
+ terminal by design when implemented. */
+ case 1005: /* UTF-8 mouse mode; will confuse
+ applications not supporting UTF-8
+ and luit. */
+ case 1015: /* urxvt mangled mouse mode; incompatible
+ and can be mistaken for other control
+ codes. */
default:
fprintf(stderr,
"erresc: unknown private set/reset mode %d\n",
@@ -1285,9 +1881,20 @@ tsetmode(bool priv, bool set, int *args, int narg) {
}
} else {
switch(*args) {
- case 4:
+ case 0: /* Error (IGNORED) */
+ break;
+ case 2: /* KAM -- keyboard action */
+ MODBIT(term.mode, set, MODE_KBDLOCK);
+ break;
+ case 4: /* IRM -- Insertion-replacement */
MODBIT(term.mode, set, MODE_INSERT);
break;
+ case 12: /* SRM -- Send/Receive */
+ MODBIT(term.mode, !set, MODE_ECHO);
+ break;
+ case 20: /* LNM -- Linefeed/new line */
+ MODBIT(term.mode, set, MODE_CRLF);
+ break;
default:
fprintf(stderr,
"erresc: unknown set/reset mode %d\n",
@@ -1297,8 +1904,6 @@ tsetmode(bool priv, bool set, int *args, int narg) {
}
}
}
-#undef MODBIT
-
void
csihandle(void) {
@@ -1314,16 +1919,20 @@ csihandle(void) {
tinsertblank(csiescseq.arg[0]);
break;
case 'A': /* CUU -- Cursor <n> Up */
- case 'e':
DEFAULT(csiescseq.arg[0], 1);
tmoveto(term.c.x, term.c.y-csiescseq.arg[0]);
break;
case 'B': /* CUD -- Cursor <n> Down */
+ case 'e': /* VPR --Cursor <n> Down */
DEFAULT(csiescseq.arg[0], 1);
tmoveto(term.c.x, term.c.y+csiescseq.arg[0]);
break;
+ case 'c': /* DA -- Device Attributes */
+ if(csiescseq.arg[0] == 0)
+ ttywrite(VT102ID, sizeof(VT102ID) - 1);
+ break;
case 'C': /* CUF -- Cursor <n> Forward */
- case 'a':
+ case 'a': /* HPR -- Cursor <n> Forward */
DEFAULT(csiescseq.arg[0], 1);
tmoveto(term.c.x+csiescseq.arg[0], term.c.y);
break;
@@ -1340,7 +1949,7 @@ csihandle(void) {
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;
@@ -1360,7 +1969,7 @@ csihandle(void) {
case 'f': /* HVP */
DEFAULT(csiescseq.arg[0], 1);
DEFAULT(csiescseq.arg[1], 1);
- tmoveto(csiescseq.arg[1]-1, csiescseq.arg[0]-1);
+ tmoveato(csiescseq.arg[1]-1, csiescseq.arg[0]-1);
break;
case 'I': /* CHT -- Cursor Forward Tabulation <n> tab stops */
DEFAULT(csiescseq.arg[0], 1);
@@ -1368,12 +1977,14 @@ csihandle(void) {
tputtab(1);
break;
case 'J': /* ED -- Clear screen */
- sel.bx = -1;
+ selclear(NULL);
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);
+ if(term.c.y < term.row-1) {
+ tclearregion(0, term.c.y+1, term.col-1,
+ term.row-1);
+ }
break;
case 1: /* above */
if(term.c.y > 1)
@@ -1390,7 +2001,8 @@ 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);
break;
case 1: /* left */
tclearregion(0, term.c.y, term.c.x, term.c.y);
@@ -1421,7 +2033,8 @@ 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);
break;
case 'P': /* DCH -- Delete <n> char */
DEFAULT(csiescseq.arg[0], 1);
@@ -1434,7 +2047,7 @@ csihandle(void) {
break;
case 'd': /* VPA -- Move to <row> */
DEFAULT(csiescseq.arg[0], 1);
- tmoveto(term.c.x, csiescseq.arg[0]-1);
+ tmoveato(term.c.x, csiescseq.arg[0]-1);
break;
case 'h': /* SM -- Set terminal mode */
tsetmode(csiescseq.priv, 1, csiescseq.arg, csiescseq.narg);
@@ -1443,13 +2056,13 @@ csihandle(void) {
tsetattr(csiescseq.arg, csiescseq.narg);
break;
case 'r': /* DECSTBM -- Set Scrolling Region */
- if(csiescseq.priv)
+ if(csiescseq.priv) {
goto unknown;
- else {
+ } else {
DEFAULT(csiescseq.arg[0], 1);
DEFAULT(csiescseq.arg[1], term.row);
tsetscroll(csiescseq.arg[0]-1, csiescseq.arg[1]-1);
- tmoveto(0, 0);
+ tmoveato(0, 0);
}
break;
case 's': /* DECSC -- Save cursor position (ANSI.SYS) */
@@ -1464,14 +2077,22 @@ csihandle(void) {
void
csidump(void) {
int i;
+ uint c;
+
printf("ESC[");
for(i = 0; i < csiescseq.len; i++) {
- uint c = csiescseq.buf[i] & 0xff;
- if(isprint(c)) putchar(c);
- else if(c == '\n') printf("(\\n)");
- else if(c == '\r') printf("(\\r)");
- else if(c == 0x1b) printf("(\\e)");
- else printf("(%02x)", c);
+ c = csiescseq.buf[i] & 0xff;
+ if(isprint(c)) {
+ putchar(c);
+ } else if(c == '\n') {
+ printf("(\\n)");
+ } else if(c == '\r') {
+ printf("(\\r)");
+ } else if(c == 0x1b) {
+ printf("(\\e)");
+ } else {
+ printf("(%02x)", c);
+ }
}
putchar('\n');
}
@@ -1483,32 +2104,37 @@ csireset(void) {
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 ");
@@ -1517,7 +2143,7 @@ strhandle(void) {
}
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 */
@@ -1532,24 +2158,35 @@ strhandle(void) {
void
strparse(void) {
- /*
- * TODO: Implement parsing like for CSI when required.
- * Format: ESC type cmd ';' arg0 [';' argn] ESC \
- */
- return;
+ char *p = strescseq.buf;
+
+ strescseq.narg = 0;
+ strescseq.buf[strescseq.len] = '\0';
+ while(p && strescseq.narg < STR_ARG_SIZ)
+ strescseq.args[strescseq.narg++] = strsep(&p, ";");
}
void
strdump(void) {
int i;
+ uint c;
+
printf("ESC%c", strescseq.type);
for(i = 0; i < strescseq.len; i++) {
- uint c = strescseq.buf[i] & 0xff;
- if(isprint(c)) putchar(c);
- else if(c == '\n') printf("(\\n)");
- else if(c == '\r') printf("(\\r)");
- else if(c == 0x1b) printf("(\\e)");
- else printf("(%02x)", c);
+ c = strescseq.buf[i] & 0xff;
+ if(c == '\0') {
+ return;
+ } else if(isprint(c)) {
+ putchar(c);
+ } else if(c == '\n') {
+ printf("(\\n)");
+ } else if(c == '\r') {
+ printf("(\\r)");
+ } else if(c == 0x1b) {
+ printf("(\\e)");
+ } else {
+ printf("(%02x)", c);
+ }
}
printf("ESC\\\n");
}
@@ -1561,7 +2198,7 @@ strreset(void) {
void
tputtab(bool forward) {
- unsigned x = term.c.x;
+ uint x = term.c.x;
if(forward) {
if(x == term.col)
@@ -1578,36 +2215,147 @@ tputtab(bool forward) {
}
void
-tputc(char *c) {
- char ascii = *c;
+techo(char *buf, int len) {
+ for(; len > 0; buf++, len--) {
+ char c = *buf;
- if(fileio) {
- putc(ascii, fileio);
- fflush(fileio);
+ 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;
+ bool control = ascii < '\x20' || ascii == 0177;
+ long u8char;
+ int width;
+
+ if(len == 1) {
+ width = 1;
+ } else {
+ utf8decode(c, &u8char);
+ width = wcwidth(u8char);
+ }
+
+ if(iofd != -1) {
+ if(xwrite(iofd, c, len) < 0) {
+ 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.
+ */
+ if(term.esc & ESC_STR) {
+ switch(ascii) {
+ case '\033':
+ term.esc = ESC_START | ESC_STR_END;
+ break;
+ case '\a': /* backwards compatibility to xterm */
+ term.esc = 0;
+ strhandle();
+ break;
+ default:
+ if(strescseq.len + len < sizeof(strescseq.buf) - 1) {
+ 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;
}
- if(term.esc & ESC_START) {
+ /*
+ * Actions of control codes must be performed as soon they arrive
+ * because they can be embedded inside a control sequence, and
+ * they must not cause conflicts with sequences.
+ */
+ if(control) {
+ switch(ascii) {
+ case '\t': /* HT */
+ tputtab(1);
+ return;
+ case '\b': /* BS */
+ tmoveto(term.c.x-1, term.c.y);
+ return;
+ case '\r': /* CR */
+ tmoveto(0, term.c.y);
+ return;
+ case '\f': /* LF */
+ case '\v': /* VT */
+ case '\n': /* LF */
+ /* go to first col if the mode is set */
+ tnewline(IS_SET(MODE_CRLF));
+ return;
+ case '\a': /* BEL */
+ if(!(xw.state & WIN_FOCUSED))
+ xseturgency(1);
+ if (bellvolume)
+ XBell(xw.dpy, bellvolume);
+ return;
+ case '\033': /* ESC */
+ csireset();
+ term.esc = ESC_START;
+ return;
+ case '\016': /* SO */
+ case '\017': /* SI */
+ /*
+ * 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 */
+ csireset();
+ return;
+ case '\005': /* ENQ (IGNORED) */
+ case '\000': /* NUL (IGNORED) */
+ case '\021': /* XON (IGNORED) */
+ case '\023': /* XOFF (IGNORED) */
+ case 0177: /* DEL (IGNORED) */
+ return;
+ }
+ } else if(term.esc & ESC_START) {
if(term.esc & ESC_CSI) {
csiescseq.buf[csiescseq.len++] = ascii;
- if(BETWEEN(ascii, 0x40, 0x7E) || csiescseq.len >= ESC_BUF_SIZ) {
- term.esc = 0;
- csiparse(), csihandle();
- }
- } else if(term.esc & ESC_STR) {
- switch(ascii) {
- case '\033':
- term.esc = ESC_START | ESC_STR_END;
- break;
- case '\a': /* backwards compatibility to xterm */
+ if(BETWEEN(ascii, 0x40, 0x7E)
+ || csiescseq.len >= \
+ sizeof(csiescseq.buf)-1) {
term.esc = 0;
- strhandle();
- break;
- default:
- strescseq.buf[strescseq.len++] = ascii;
- if(strescseq.len+1 >= STR_BUF_SIZ) {
- term.esc = 0;
- strhandle();
- }
+ csiparse();
+ csihandle();
}
} else if(term.esc & ESC_STR_END) {
term.esc = 0;
@@ -1615,21 +2363,41 @@ tputc(char *c) {
strhandle();
} else if(term.esc & ESC_ALTCHARSET) {
switch(ascii) {
- case '0': /* Line drawing crap */
+ case '0': /* Line drawing set */
term.c.attr.mode |= ATTR_GFX;
break;
- case 'B': /* Back to regular text */
+ case 'B': /* USASCII */
term.c.attr.mode &= ~ATTR_GFX;
break;
+ case 'A': /* UK (IGNORED) */
+ case '<': /* multinational charset (IGNORED) */
+ case '5': /* Finnish (IGNORED) */
+ case 'C': /* Finnish (IGNORED) */
+ case 'K': /* German (IGNORED) */
+ break;
default:
fprintf(stderr, "esc unhandled charset: ESC ( %c\n", ascii);
}
term.esc = 0;
+ } else if(term.esc & ESC_TEST) {
+ if(ascii == '8') { /* DEC screen alignment test. */
+ char E[UTF_SIZ] = "E";
+ int x, y;
+
+ for(x = 0; x < term.col; ++x) {
+ for(y = 0; y < term.row; ++y)
+ tsetchar(E, &term.c.attr, x, y);
+ }
+ }
+ term.esc = 0;
} else {
switch(ascii) {
case '[':
term.esc |= ESC_CSI;
break;
+ case '#':
+ term.esc |= ESC_TEST;
+ break;
case 'P': /* DCS -- Device Control String */
case '_': /* APC -- Application Program Command */
case '^': /* PM -- Privacy Message */
@@ -1639,14 +2407,20 @@ tputc(char *c) {
strescseq.type = ascii;
term.esc |= ESC_STR;
break;
- case '(':
+ case '(': /* set primary charset G0 */
term.esc |= ESC_ALTCHARSET;
break;
+ case ')': /* set secondary charset G1 (IGNORED) */
+ case '*': /* set tertiary charset G2 (IGNORED) */
+ case '+': /* set quaternary charset G3 (IGNORED) */
+ term.esc = 0;
+ break;
case 'D': /* IND -- Linefeed */
- if(term.c.y == term.bot)
+ if(term.c.y == term.bot) {
tscrollup(term.top, 1);
- else
+ } else {
tmoveto(term.c.x, term.c.y+1);
+ }
term.esc = 0;
break;
case 'E': /* NEL -- Next line */
@@ -1658,15 +2432,22 @@ tputc(char *c) {
term.esc = 0;
break;
case 'M': /* RI -- Reverse index */
- if(term.c.y == term.top)
+ if(term.c.y == term.top) {
tscrolldown(term.top, 1);
- else
+ } else {
tmoveto(term.c.x, term.c.y-1);
+ }
+ term.esc = 0;
+ break;
+ case 'Z': /* DECID -- Identify Terminal */
+ ttywrite(VT102ID, sizeof(VT102ID) - 1);
term.esc = 0;
break;
case 'c': /* RIS -- Reset to inital state */
treset();
term.esc = 0;
+ xresettitle();
+ xloadcols();
break;
case '=': /* DECPAM -- Application keypad */
term.mode |= MODE_APPKEYPAD;
@@ -1689,55 +2470,61 @@ tputc(char *c) {
break;
default:
fprintf(stderr, "erresc: unknown sequence ESC 0x%02X '%c'\n",
- (uchar) ascii, isprint(ascii)?ascii:'.');
+ (uchar) ascii, isprint(ascii)? ascii:'.');
term.esc = 0;
}
}
- } else {
- if(sel.bx != -1 && BETWEEN(term.c.y, sel.by, sel.ey))
- sel.bx = -1;
- switch(ascii) {
- case '\t':
- tputtab(1);
- break;
- case '\b':
- tmoveto(term.c.x-1, term.c.y);
- break;
- case '\r':
- tmoveto(0, term.c.y);
- break;
- case '\f':
- case '\v':
- case '\n':
- /* go to first col if the mode is set */
- tnewline(IS_SET(MODE_CRLF));
- break;
- case '\a':
- if(!(xw.state & WIN_FOCUSED))
- xseturgency(1);
- break;
- case '\033':
- csireset();
- term.esc = ESC_START;
- break;
- default:
- if(IS_SET(MODE_WRAP) && term.c.state & CURSOR_WRAPNEXT)
- tnewline(1); /* always go to first col */
- tsetchar(c);
- if(term.c.x+1 < term.col)
- tmoveto(term.c.x+1, term.c.y);
- else
- term.c.state |= CURSOR_WRAPNEXT;
+ /*
+ * All characters which form part of a sequence are not
+ * printed
+ */
+ return;
+ }
+ /*
+ * Display control codes only if we are in graphic mode
+ */
+ if(control && !(term.c.attr.mode & ATTR_GFX))
+ return;
+ if(sel.ob.x != -1 && BETWEEN(term.c.y, sel.ob.y, sel.oe.y))
+ selclear(NULL);
+ if(IS_SET(MODE_WRAP) && (term.c.state & CURSOR_WRAPNEXT)) {
+ term.line[term.c.y][term.c.x].mode |= ATTR_WRAP;
+ tnewline(1);
+ }
+
+ 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));
+ }
+
+ if(term.c.x+width > term.col)
+ tnewline(1);
+
+ tsetchar(c, &term.c.attr, term.c.x, term.c.y);
+
+ if(width == 2) {
+ term.line[term.c.y][term.c.x].mode |= ATTR_WIDE;
+ if(term.c.x+1 < term.col) {
+ term.line[term.c.y][term.c.x+1].c[0] = '\0';
+ term.line[term.c.y][term.c.x+1].mode = ATTR_WDUMMY;
}
}
+ if(term.c.x+width < term.col) {
+ tmoveto(term.c.x+width, term.c.y);
+ } else {
+ term.c.state |= CURSOR_WRAPNEXT;
+ }
}
int
tresize(int col, int row) {
- int i, x;
+ int i;
int minrow = MIN(row, term.row);
int mincol = MIN(col, term.col);
int slide = term.c.y - row + 1;
+ bool *bp;
+ Line *orig;
if(col < 1 || row < 1)
return 0;
@@ -1745,9 +2532,11 @@ 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]);
@@ -1761,106 +2550,173 @@ tresize(int col, int row) {
}
/* resize to new height */
- term.line = realloc(term.line, row * sizeof(Line));
- term.alt = realloc(term.alt, row * sizeof(Line));
- term.dirty = realloc(term.dirty, row * sizeof(*term.dirty));
- term.tabs = realloc(term.tabs, col * sizeof(*term.tabs));
+ term.line = xrealloc(term.line, row * sizeof(Line));
+ term.alt = xrealloc(term.alt, row * sizeof(Line));
+ term.dirty = xrealloc(term.dirty, row * sizeof(*term.dirty));
+ term.tabs = xrealloc(term.tabs, col * sizeof(*term.tabs));
/* resize each row to new width, zero-pad if needed */
for(i = 0; i < minrow; i++) {
term.dirty[i] = 1;
- term.line[i] = realloc(term.line[i], col * sizeof(Glyph));
- term.alt[i] = realloc(term.alt[i], col * sizeof(Glyph));
- for(x = mincol; x < col; x++) {
- term.line[i][x].state = 0;
- term.alt[i][x].state = 0;
- }
+ term.line[i] = xrealloc(term.line[i], col * sizeof(Glyph));
+ term.alt[i] = xrealloc(term.alt[i], col * sizeof(Glyph));
}
/* allocate any new rows */
for(/* i == minrow */; i < row; i++) {
term.dirty[i] = 1;
- term.line[i] = calloc(col, sizeof(Glyph));
- term.alt [i] = calloc(col, sizeof(Glyph));
+ term.line[i] = xmalloc(col * sizeof(Glyph));
+ term.alt[i] = xmalloc(col * sizeof(Glyph));
}
if(col > term.col) {
- bool *bp = term.tabs + term.col;
+ bp = term.tabs + term.col;
memset(bp, 0, sizeof(*term.tabs) * (col - term.col));
while(--bp > term.tabs && !*bp)
/* nothing */ ;
- for(bp += TAB; bp < term.tabs + col; bp += TAB)
+ for(bp += tabspaces; bp < term.tabs + col; bp += tabspaces)
*bp = 1;
}
/* update terminal size */
- term.col = col, term.row = row;
- /* make use of the LIMIT in tmoveto */
- tmoveto(term.c.x, term.c.y);
+ term.col = col;
+ term.row = row;
/* reset scrolling region */
tsetscroll(0, row-1);
+ /* make use of the LIMIT in tmoveto */
+ tmoveto(term.c.x, term.c.y);
+ /* Clearing both screens */
+ orig = term.line;
+ do {
+ if(mincol < col && 0 < minrow) {
+ tclearregion(mincol, 0, col - 1, minrow - 1);
+ }
+ if(0 < col && minrow < row) {
+ tclearregion(0, minrow, col - 1, row - 1);
+ }
+ tswapscreen();
+ } while(orig != term.line);
return (slide > 0);
}
void
xresize(int col, int row) {
- xw.w = MAX(1, 2*BORDER + col * xw.cw);
- xw.h = MAX(1, 2*BORDER + row * xw.ch);
+ 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));
+ XftDrawChange(xw.draw, xw.buf);
+ xclear(0, 0, xw.w, xw.h);
+}
+
+static inline ushort
+sixd_to_16bit(int x) {
+ return x == 0 ? 0 : 0x3737 + 0x2828 * x;
}
void
xloadcols(void) {
int i, r, g, b;
- XColor color;
- ulong white = WhitePixel(xw.dpy, xw.scr);
+ XRenderColor color = { .alpha = 0xffff };
+ static bool loaded;
+ Colour *cp;
+
+ if(loaded) {
+ for (cp = dc.col; cp < dc.col + LEN(dc.col); ++cp)
+ XftColorFree(xw.dpy, xw.vis, xw.cmap, cp);
+ }
/* load colors [0-15] colors and [256-LEN(colorname)[ (config.h) */
for(i = 0; i < LEN(colorname); i++) {
if(!colorname[i])
continue;
- if(!XAllocNamedColor(xw.dpy, xw.cmap, colorname[i], &color, &color)) {
- dc.col[i] = white;
- fprintf(stderr, "Could not allocate color '%s'\n", colorname[i]);
- } else
- dc.col[i] = color.pixel;
+ if(!XftColorAllocName(xw.dpy, xw.vis, xw.cmap, colorname[i], &dc.col[i])) {
+ die("Could not allocate color '%s'\n", colorname[i]);
+ }
}
/* load colors [16-255] ; same colors as xterm */
- for(i = 16, r = 0; r < 6; r++)
- for(g = 0; g < 6; g++)
+ 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;
- if(!XAllocColor(xw.dpy, xw.cmap, &color)) {
- dc.col[i] = white;
- fprintf(stderr, "Could not allocate color %d\n", i);
- } else
- dc.col[i] = color.pixel;
+ 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);
+ }
i++;
}
+ }
+ }
for(r = 0; r < 24; r++, i++) {
color.red = color.green = color.blue = 0x0808 + 0x0a0a * r;
- if(!XAllocColor(xw.dpy, xw.cmap, &color)) {
- dc.col[i] = white;
- fprintf(stderr, "Could not allocate color %d\n", i);
- } else
- dc.col[i] = color.pixel;
+ if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color,
+ &dc.col[i])) {
+ die("Could not allocate color %d\n", i);
+ }
}
+ loaded = true;
}
+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,
+ &dc.col[IS_SET(MODE_REVERSE) ? defaultfg : defaultbg],
+ borderpx + col1 * xw.cw,
+ borderpx + row1 * xw.ch,
+ (col2-col1+1) * xw.cw,
+ (row2-row1+1) * xw.ch);
+}
+
+/*
+ * Absolute coordinates.
+ */
void
xclear(int x1, int y1, int x2, int y2) {
- XSetForeground(xw.dpy, dc.gc, dc.col[IS_SET(MODE_REVERSE) ? DefaultFG : DefaultBG]);
- XFillRectangle(xw.dpy, xw.buf, dc.gc,
- BORDER + x1 * xw.cw, BORDER + y1 * xw.ch,
- (x2-x1+1) * xw.cw, (y2-y1+1) * xw.ch);
+ XftDrawRect(xw.draw,
+ &dc.col[IS_SET(MODE_REVERSE)? defaultfg : defaultbg],
+ x1, y1, x2-x1, y2-y1);
}
void
xhints(void) {
- XClassHint class = {opt_class ? opt_class : TNAME, TNAME};
+ XClassHint class = {opt_class ? opt_class : termname, termname};
XWMHints wm = {.flags = InputHint, .input = 1};
XSizeHints *sizeh = NULL;
@@ -1871,8 +2727,8 @@ xhints(void) {
sizeh->width = xw.w;
sizeh->height_inc = xw.ch;
sizeh->width_inc = xw.cw;
- sizeh->base_height = 2*BORDER;
- sizeh->base_width = 2*BORDER;
+ sizeh->base_height = 2 * borderpx;
+ sizeh->base_width = 2 * borderpx;
} else {
sizeh->flags = PMaxSize | PMinSize;
sizeh->min_width = sizeh->max_width = xw.fw;
@@ -1883,59 +2739,139 @@ xhints(void) {
XFree(sizeh);
}
-XFontSet
-xinitfont(char *fontstr) {
- XFontSet set;
- char *def, **missing;
- int n;
+int
+xloadfont(Font *f, FcPattern *pattern) {
+ FcPattern *match;
+ FcResult result;
- missing = NULL;
- set = XCreateFontSet(xw.dpy, fontstr, &missing, &n, &def);
- if(missing) {
- while(n--)
- fprintf(stderr, "st: missing fontset: %s\n", missing[n]);
- XFreeStringList(missing);
+ match = FcFontMatch(NULL, pattern, &result);
+ if(!match)
+ return 1;
+
+ if(!(f->match = XftFontOpenPattern(xw.dpy, match))) {
+ FcPatternDestroy(match);
+ return 1;
}
- return set;
+
+ f->set = NULL;
+ f->pattern = FcPatternDuplicate(pattern);
+
+ f->ascent = f->match->ascent;
+ f->descent = f->match->descent;
+ f->lbearing = 0;
+ f->rbearing = f->match->max_advance_width;
+
+ f->height = f->ascent + f->descent;
+ f->width = f->lbearing + f->rbearing;
+
+ return 0;
}
void
-xgetfontinfo(XFontSet set, int *ascent, int *descent, short *lbearing, short *rbearing) {
- XFontStruct **xfonts;
- char **font_names;
- int i, n;
+xloadfonts(char *fontstr, int fontsize) {
+ FcPattern *pattern;
+ FcResult result;
+ double fontval;
+
+ if(fontstr[0] == '-') {
+ pattern = XftXlfdParse(fontstr, False, False);
+ } else {
+ pattern = FcNameParse((FcChar8 *)fontstr);
+ }
+
+ if(!pattern)
+ die("st: can't open font %s\n", fontstr);
- *ascent = *descent = *lbearing = *rbearing = 0;
- n = XFontsOfFontSet(set, &xfonts, &font_names);
- for(i = 0; i < n; i++) {
- *ascent = MAX(*ascent, (*xfonts)->ascent);
- *descent = MAX(*descent, (*xfonts)->descent);
- *lbearing = MAX(*lbearing, (*xfonts)->min_bounds.lbearing);
- *rbearing = MAX(*rbearing, (*xfonts)->max_bounds.rbearing);
- xfonts++;
+ if(fontsize > 0) {
+ FcPatternDel(pattern, FC_PIXEL_SIZE);
+ FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)fontsize);
+ usedfontsize = fontsize;
+ } else {
+ result = FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval);
+ if(result == FcResultMatch) {
+ usedfontsize = (int)fontval;
+ } else {
+ /*
+ * Default font size is 12, if none given. This is to
+ * have a known usedfontsize value.
+ */
+ FcPatternAddDouble(pattern, FC_PIXEL_SIZE, 12);
+ usedfontsize = 12;
+ }
}
+
+ FcConfigSubstitute(0, pattern, FcMatchPattern);
+ FcDefaultSubstitute(pattern);
+
+ if(xloadfont(&dc.font, pattern))
+ die("st: can't open font %s\n", fontstr);
+
+ /* Setting character width and height. */
+ xw.cw = CEIL(dc.font.width * cwscale);
+ xw.ch = CEIL(dc.font.height * chscale);
+
+ 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);
+
+ 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);
+
+ 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);
+}
+
+int
+xloadfontset(Font *f) {
+ FcResult result;
+
+ if(!(f->set = FcFontSort(0, f->pattern, FcTrue, 0, &result)))
+ return 1;
+ return 0;
+}
+
+void
+xunloadfont(Font *f) {
+ XftFontClose(xw.dpy, f->match);
+ FcPatternDestroy(f->pattern);
+ if(f->set)
+ FcFontSetDestroy(f->set);
}
void
-initfonts(char *fontstr, char *bfontstr, char *ifontstr) {
- if((dc.font.set = xinitfont(fontstr)) == NULL)
- die("Can't load font %s\n", fontstr);
- if((dc.bfont.set = xinitfont(bfontstr)) == NULL)
- die("Can't load bfont %s\n", bfontstr);
- if((dc.ifont.set = xinitfont(ifontstr)) == NULL)
- die("Can't load ifont %s\n", ifontstr);
+xunloadfonts(void) {
+ int i;
+
+ /* Free the loaded fonts in the font cache. */
+ for(i = 0; i < frclen; i++) {
+ XftFontClose(xw.dpy, frc[i].font);
+ }
+ frclen = 0;
- xgetfontinfo(dc.font.set, &dc.font.ascent, &dc.font.descent,
- &dc.font.lbearing, &dc.font.rbearing);
- xgetfontinfo(dc.bfont.set, &dc.bfont.ascent, &dc.bfont.descent,
- &dc.bfont.lbearing, &dc.bfont.rbearing);
- xgetfontinfo(dc.ifont.set, &dc.ifont.ascent, &dc.ifont.descent,
- &dc.ifont.lbearing, &dc.ifont.rbearing);
+ xunloadfont(&dc.font);
+ xunloadfont(&dc.bfont);
+ xunloadfont(&dc.ifont);
+ xunloadfont(&dc.ibfont);
+}
+
+void
+xzoom(const Arg *arg) {
+ xunloadfonts();
+ xloadfonts(usedfont, usedfontsize + arg->i);
+ cresize(0, 0);
+ redraw(0);
}
void
xinit(void) {
- XSetWindowAttributes attrs;
+ XGCValues gcvalues;
Cursor cursor;
Window parent;
int sw, sh;
@@ -1943,13 +2879,14 @@ xinit(void) {
if(!(xw.dpy = XOpenDisplay(NULL)))
die("Can't open display\n");
xw.scr = XDefaultScreen(xw.dpy);
+ xw.vis = XDefaultVisual(xw.dpy, xw.scr);
/* font */
- initfonts(FONT, BOLDFONT, ITALICFONT);
+ if(!FcInit())
+ die("Could not init fontconfig.\n");
- /* XXX: Assuming same size for bold font */
- xw.cw = dc.font.rbearing - dc.font.lbearing;
- xw.ch = dc.font.ascent + dc.font.descent;
+ usedfont = (opt_font == NULL)? font : opt_font;
+ xloadfonts(usedfont, 0);
/* colors */
xw.cmap = XDefaultColormap(xw.dpy, xw.scr);
@@ -1968,37 +2905,57 @@ xinit(void) {
xw.w = xw.fw;
} else {
/* window - default size */
- xw.h = 2*BORDER + term.row * xw.ch;
- xw.w = 2*BORDER + 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.col[DefaultBG];
- attrs.border_pixel = dc.col[DefaultBG];
- attrs.bit_gravity = NorthWestGravity;
- attrs.event_mask = FocusChangeMask | KeyPressMask
+ /* Events */
+ xw.attrs.background_pixel = dc.col[defaultbg].pixel;
+ xw.attrs.border_pixel = dc.col[defaultbg].pixel;
+ xw.attrs.bit_gravity = NorthWestGravity;
+ xw.attrs.event_mask = FocusChangeMask | KeyPressMask
| ExposureMask | VisibilityChangeMask | StructureNotifyMask
| ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
- attrs.colormap = xw.cmap;
+ xw.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,
- XDefaultVisual(xw.dpy, xw.scr),
- CWBackPixel | CWBorderPixel | CWBitGravity | CWEventMask
- | CWColormap,
- &attrs);
- xw.buf = XdbeAllocateBackBufferName(xw.dpy, xw.win, XdbeCopied);
+ xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity
+ | CWEventMask | CWColormap, &xw.attrs);
+
+ 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.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);
@@ -2008,8 +2965,10 @@ xinit(void) {
&(XColor){.red = 0x0000, .green = 0x0000, .blue = 0x0000});
xw.xembed = XInternAtom(xw.dpy, "_XEMBED", False);
+ xw.wmdeletewin = XInternAtom(xw.dpy, "WM_DELETE_WINDOW", False);
+ XSetWMProtocols(xw.dpy, xw.win, &xw.wmdeletewin, 1);
- XStoreName(xw.dpy, xw.win, opt_title ? opt_title : "st");
+ xresettitle();
XMapWindow(xw.dpy, xw.win);
xhints();
XSync(xw.dpy, 0);
@@ -2017,107 +2976,357 @@ xinit(void) {
void
xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
- int fg = base.fg, bg = base.bg, temp;
- int winx = BORDER+x*xw.cw, winy = BORDER+y*xw.ch + dc.font.ascent, width = charlen*xw.cw;
- XFontSet fontset = dc.font.set;
- int i;
+ int winx = borderpx + x * xw.cw, winy = borderpx + y * xw.ch,
+ width = charlen * xw.cw, xp, i;
+ int frcflags;
+ int u8fl, u8fblen, u8cblen, doesexist;
+ char *u8c, *u8fs;
+ long u8char;
+ Font *font = &dc.font;
+ FcResult fcres;
+ FcPattern *fcpattern, *fontpattern;
+ FcFontSet *fcsets[] = { NULL };
+ FcCharSet *fccharset;
+ Colour *fg, *bg, *temp, revfg, revbg, truefg, truebg;
+ XRenderColor colfg, colbg;
+ Rectangle r;
+ int oneatatime;
+
+ 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;
+ }
+ if(IS_TRUECOL(base.fg)) {
+ colfg.red = TRUERED(base.fg);
+ colfg.green = TRUEGREEN(base.fg);
+ colfg.blue = TRUEBLUE(base.fg);
+ XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &truefg);
+ fg = &truefg;
+ } else {
+ fg = &dc.col[base.fg];
+ }
- /* only switch default fg/bg if term is in RV mode */
- if(IS_SET(MODE_REVERSE)) {
- if(fg == DefaultFG)
- fg = DefaultBG;
- if(bg == DefaultBG)
- bg = DefaultFG;
+ if(IS_TRUECOL(base.bg)) {
+ colbg.green = TRUEGREEN(base.bg);
+ colbg.red = TRUERED(base.bg);
+ colbg.blue = TRUEBLUE(base.bg);
+ XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, &truebg);
+ bg = &truebg;
+ } else {
+ bg = &dc.col[base.bg];
}
- if(base.mode & ATTR_REVERSE)
- temp = fg, fg = bg, bg = temp;
+
if(base.mode & ATTR_BOLD) {
- fg += 8;
- fontset = dc.bfont.set;
+ if(BETWEEN(base.fg, 0, 7)) {
+ /* basic system colors */
+ fg = &dc.col[base.fg + 8];
+ } else if(BETWEEN(base.fg, 16, 195)) {
+ /* 256 colors */
+ fg = &dc.col[base.fg + 36];
+ } else if(BETWEEN(base.fg, 232, 251)) {
+ /* greyscale */
+ fg = &dc.col[base.fg + 4];
+ }
+ /*
+ * Those ranges will not be brightened:
+ * 8 - 15 â bright system colors
+ * 196 - 231 â highest 256 color cube
+ * 252 - 255 â brightest colors in greyscale
+ */
+ font = &dc.bfont;
+ frcflags = FRC_BOLD;
}
- if(base.mode & ATTR_ITALIC)
- fontset = dc.ifont.set;
+ if(IS_SET(MODE_REVERSE)) {
+ if(fg == &dc.col[defaultfg]) {
+ fg = &dc.col[defaultbg];
+ } else {
+ colfg.red = ~fg->color.red;
+ colfg.green = ~fg->color.green;
+ colfg.blue = ~fg->color.blue;
+ colfg.alpha = fg->color.alpha;
+ XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &revfg);
+ fg = &revfg;
+ }
+
+ if(bg == &dc.col[defaultbg]) {
+ bg = &dc.col[defaultfg];
+ } else {
+ colbg.red = ~bg->color.red;
+ colbg.green = ~bg->color.green;
+ colbg.blue = ~bg->color.blue;
+ colbg.alpha = bg->color.alpha;
+ XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, &revbg);
+ bg = &revbg;
+ }
+ }
+
+ if(base.mode & ATTR_REVERSE) {
+ temp = fg;
+ fg = bg;
+ bg = temp;
+ }
+
+ if(base.mode & ATTR_BLINK && term.mode & MODE_BLINK)
+ fg = bg;
+
+ /* 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));
+ }
+ if(x + charlen >= term.col) {
+ xclear(winx + width, (y == 0)? 0 : winy, xw.w,
+ ((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);
+
+ /* Clean up the region we want to draw to. */
+ XftDrawRect(xw.draw, bg, winx, winy, width, xw.ch);
+
+ /* Set the clip region because Xft is sometimes dirty. */
+ r.x = 0;
+ r.y = 0;
+ r.height = xw.ch;
+ r.width = width;
+ XftDrawSetClipRectangles(xw.draw, winx, winy, &r, 1);
+
+ 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;
+ oneatatime = font->width != xw.cw;
+ for(;;) {
+ u8c = s;
+ u8cblen = utf8decode(s, &u8char);
+ s += u8cblen;
+ bytelen -= u8cblen;
+
+ doesexist = XftCharExists(xw.dpy, font->match, u8char);
+ if(oneatatime || !doesexist || bytelen <= 0) {
+ if(oneatatime || bytelen <= 0) {
+ if(doesexist) {
+ u8fl++;
+ u8fblen += u8cblen;
+ }
+ }
- XSetBackground(xw.dpy, dc.gc, dc.col[bg]);
- XSetForeground(xw.dpy, dc.gc, dc.col[fg]);
+ if(u8fl > 0) {
+ XftDrawStringUtf8(xw.draw, fg,
+ font->match, xp,
+ winy + font->ascent,
+ (FcChar8 *)u8fs,
+ u8fblen);
+ xp += xw.cw * u8fl;
- if(base.mode & ATTR_GFX) {
- for(i = 0; i < bytelen; i++) {
- char c = gfx[(uint)s[i] % 256];
- if(c)
- s[i] = c;
- else if(s[i] > 0x5f)
- s[i] -= 0x5f;
+ }
+ break;
+ }
+
+ u8fl++;
+ u8fblen += u8cblen;
+ }
+ if(doesexist) {
+ if (oneatatime)
+ continue;
+ break;
}
+
+ /* Search the font cache. */
+ for(i = 0; i < frclen; i++) {
+ if(XftCharExists(xw.dpy, frc[i].font, u8char)
+ && frc[i].flags == frcflags) {
+ break;
+ }
+ }
+
+ /* Nothing was found. */
+ if(i >= frclen) {
+ if(!font->set)
+ xloadfontset(font);
+ fcsets[0] = font->set;
+
+ /*
+ * 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.
+ */
+ if(frclen >= LEN(frc)) {
+ frclen = LEN(frc) - 1;
+ XftFontClose(xw.dpy, frc[frclen].font);
+ }
+
+ frc[frclen].font = XftFontOpenPattern(xw.dpy,
+ fontpattern);
+ frc[frclen].flags = frcflags;
+
+ i = frclen;
+ frclen++;
+
+ FcPatternDestroy(fcpattern);
+ FcCharSetDestroy(fccharset);
+ }
+
+ XftDrawStringUtf8(xw.draw, fg, frc[i].font,
+ xp, winy + frc[i].font->ascent,
+ (FcChar8 *)u8c, u8cblen);
+
+ xp += xw.cw * wcwidth(u8char);
}
- XmbDrawImageString(xw.dpy, xw.buf, fontset, dc.gc, winx, winy, s, bytelen);
+ /*
+ XftDrawStringUtf8(xw.draw, fg, font->set, winx,
+ winy + font->ascent, (FcChar8 *)s, bytelen);
+ */
- if(base.mode & ATTR_UNDERLINE)
- XDrawLine(xw.dpy, xw.buf, dc.gc, winx, winy+1, winx+width-1, winy+1);
-}
+ if(base.mode & ATTR_UNDERLINE) {
+ XftDrawRect(xw.draw, fg, winx, winy + font->ascent + 1,
+ width, 1);
+ }
-/* copy buffer pixmap to screen pixmap */
-void
-xcopy() {
- XdbeSwapInfo swpinfo[1] = {{xw.win, XdbeCopied}};
- XdbeSwapBuffers(xw.dpy, swpinfo, 1);
+ /* Reset clip to none. */
+ XftDrawSetClip(xw.draw, 0);
}
void
xdrawcursor(void) {
- static int oldx = 0;
- static int oldy = 0;
- int sl;
- Glyph g = {{' '}, ATTR_NULL, DefaultBG, DefaultCS, 0};
+ static int oldx = 0, oldy = 0;
+ int sl, width, curx;
+ Glyph g = {{' '}, ATTR_NULL, defaultbg, defaultcs};
LIMIT(oldx, 0, term.col-1);
LIMIT(oldy, 0, term.row-1);
- if(term.line[term.c.y][term.c.x].state & GLYPH_SET)
- memcpy(g.c, term.line[term.c.y][term.c.x].c, UTF_SIZ);
+ curx = term.c.x;
- /* remove the old cursor */
- if(term.line[oldy][oldx].state & GLYPH_SET) {
- sl = utf8size(term.line[oldy][oldx].c);
- xdraws(term.line[oldy][oldx].c, term.line[oldy][oldx], oldx, oldy, 1, sl);
- } else
- xclear(oldx, oldy, oldx, oldy);
+ /* adjust position if in dummy */
+ if(term.line[oldy][oldx].mode & ATTR_WDUMMY)
+ oldx--;
+ if(term.line[term.c.y][curx].mode & ATTR_WDUMMY)
+ curx--;
- xcopy();
+ memcpy(g.c, term.line[term.c.y][term.c.x].c, UTF_SIZ);
- /* draw the new one */
- if(!(term.c.state & CURSOR_HIDE)) {
- if(!(xw.state & WIN_FOCUSED))
- g.bg = DefaultUCS;
+ /* remove the old cursor */
+ sl = utf8size(term.line[oldy][oldx].c);
+ width = (term.line[oldy][oldx].mode & ATTR_WIDE)? 2 : 1;
+ xdraws(term.line[oldy][oldx].c, term.line[oldy][oldx], oldx,
+ oldy, width, sl);
- if(IS_SET(MODE_REVERSE))
- g.mode |= ATTR_REVERSE, g.fg = DefaultCS, g.bg = DefaultFG;
+ /* draw the new one */
+ if(!(IS_SET(MODE_HIDE))) {
+ 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);
- oldx = term.c.x, oldy = term.c.y;
+ sl = utf8size(g.c);
+ width = (term.line[term.c.y][curx].mode & ATTR_WIDE)\
+ ? 2 : 1;
+ xdraws(g.c, g, term.c.x, term.c.y, width, sl);
+ } else {
+ XftDrawRect(xw.draw, &dc.col[defaultcs],
+ borderpx + curx * xw.cw,
+ borderpx + term.c.y * xw.ch,
+ xw.cw - 1, 1);
+ XftDrawRect(xw.draw, &dc.col[defaultcs],
+ borderpx + curx * xw.cw,
+ borderpx + term.c.y * xw.ch,
+ 1, xw.ch - 1);
+ XftDrawRect(xw.draw, &dc.col[defaultcs],
+ borderpx + (curx + 1) * xw.cw - 1,
+ borderpx + term.c.y * xw.ch,
+ 1, xw.ch - 1);
+ XftDrawRect(xw.draw, &dc.col[defaultcs],
+ borderpx + curx * xw.cw,
+ borderpx + (term.c.y + 1) * xw.ch - 1,
+ xw.cw, 1);
+ }
+ oldx = curx, oldy = term.c.y;
}
+}
- xcopy();
+
+void
+xsettitle(char *p) {
+ XTextProperty prop;
+
+ Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
+ &prop);
+ XSetWMName(xw.dpy, xw.win, &prop);
+ XFree(prop.value);
}
void
-redraw(void) {
- struct timespec tv = {0, REDRAW_TIMEOUT * 1000};
+xresettitle(void) {
+ xsettitle(opt_title ? opt_title : "st");
+}
+
+void
+redraw(int timeout) {
+ struct timespec tv = {0, timeout * 1000};
+
tfulldirt();
draw();
- nanosleep(&tv, NULL);
+
+ if(timeout > 0) {
+ nanosleep(&tv, NULL);
+ XSync(xw.dpy, False); /* necessary for a good tput flash */
+ }
}
void
-draw() {
+draw(void) {
drawregion(0, 0, term.col, term.row);
- xcopy();
- gettimeofday(&xw.lastdraw, NULL);
+ 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
@@ -2125,39 +3334,43 @@ 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);
+ bool ena_sel = sel.ob.x != -1;
+ long u8char;
- if((sel.alt && !alt) || (!sel.alt && alt))
+ if(sel.alt ^ IS_SET(MODE_ALTSCREEN))
ena_sel = 0;
+
if(!(xw.state & WIN_VISIBLE))
return;
for(y = y1; y < y2; y++) {
if(!term.dirty[y])
continue;
- xclear(0, y, term.col, y);
+
+ xtermclear(0, y, term.col, y);
term.dirty[y] = 0;
base = term.line[y][0];
ic = ib = ox = 0;
for(x = x1; x < x2; x++) {
new = term.line[y][x];
- if(ena_sel && *(new.c) && selected(x, y))
+ if(new.mode == ATTR_WDUMMY)
+ continue;
+ if(ena_sel && selected(x, y))
new.mode ^= ATTR_REVERSE;
- if(ib > 0 && (!(new.state & GLYPH_SET) || ATTRCMP(base, new) ||
- ib >= DRAW_BUF_SIZ-UTF_SIZ)) {
+ if(ib > 0 && (ATTRCMP(base, new)
+ || ib >= DRAW_BUF_SIZ-UTF_SIZ)) {
xdraws(buf, base, ox, y, ic, ib);
ic = ib = 0;
}
- if(new.state & GLYPH_SET) {
- if(ib == 0) {
- ox = x;
- base = new;
- }
- sl = utf8size(new.c);
- memcpy(buf+ib, new.c, sl);
- ib += sl;
- ++ic;
+ if(ib == 0) {
+ ox = x;
+ base = new;
}
+
+ sl = utf8decode(new.c, &u8char);
+ memcpy(buf+ib, new.c, sl);
+ ib += sl;
+ ic += (new.mode & ATTR_WIDE)? 2 : 1;
}
if(ib > 0)
xdraws(buf, base, ox, y, ic, ib);
@@ -2168,21 +3381,24 @@ drawregion(int x1, int y1, int x2, int y2) {
void
expose(XEvent *ev) {
XExposeEvent *e = &ev->xexpose;
+
if(xw.state & WIN_REDRAW) {
if(!e->count)
xw.state &= ~WIN_REDRAW;
}
- xcopy();
+ redraw(0);
}
void
visibility(XEvent *ev) {
XVisibilityEvent *e = &ev->xvisibility;
- if(e->state == VisibilityFullyObscured)
+
+ if(e->state == VisibilityFullyObscured) {
xw.state &= ~WIN_VISIBLE;
- else if(!(xw.state & WIN_VISIBLE))
+ } else if(!(xw.state & WIN_VISIBLE)) {
/* need a full redraw for next Expose, not just a buf copy */
xw.state |= WIN_VISIBLE | WIN_REDRAW;
+ }
}
void
@@ -2190,9 +3406,16 @@ unmap(XEvent *ev) {
xw.state &= ~WIN_VISIBLE;
}
+void
+xsetpointermotion(int set) {
+ MODBIT(xw.attrs.event_mask, set, PointerMotionMask);
+ XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, &xw.attrs);
+}
+
void
xseturgency(int add) {
XWMHints *h = XGetWMHints(xw.dpy, xw.win);
+
h->flags = add ? (h->flags | XUrgencyHint) : (h->flags & ~XUrgencyHint);
XSetWMHints(xw.dpy, xw.win, h);
XFree(h);
@@ -2200,23 +3423,88 @@ 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;
xseturgency(0);
- } else
+ if(IS_SET(MODE_FOCUS))
+ ttywrite("\033[I", 3);
+ } else {
+ XUnsetICFocus(xw.xic);
xw.state &= ~WIN_FOCUSED;
- draw();
+ if(IS_SET(MODE_FOCUS))
+ ttywrite("\033[O", 3);
+ }
+}
+
+static 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)
+ return false;
+ if(mask == XK_ANY_MOD)
+ return true;
+ return state == mask;
+}
+
+void
+numlock(const Arg *dummy) {
+ term.numlock ^= 1;
}
char*
kmap(KeySym k, uint state) {
+ Key *kp;
int i;
- state &= ~Mod2Mask;
- for(i = 0; i < LEN(key); i++) {
- uint mask = key[i].mask;
- if(key[i].k == k && ((state & mask) == mask || (mask == XK_NO_MOD && !state)))
- return (char*)key[i].s;
+
+ /* 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++) {
+ if(kp->k != k)
+ continue;
+
+ if(!match(kp->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((kp->crlf < 0 && IS_SET(MODE_CRLF)) ||
+ (kp->crlf > 0 && !IS_SET(MODE_CRLF))) {
+ continue;
+ }
+
+ return kp->s;
+ }
+
return NULL;
}
@@ -2224,56 +3512,63 @@ void
kpress(XEvent *ev) {
XKeyEvent *e = &ev->xkey;
KeySym ksym;
- char buf[32];
- char *customkey;
- int len;
- int meta;
- int shift;
+ char xstr[31], buf[32], *customkey, *cp = buf;
+ int len, ret;
+ long c;
Status status;
+ Shortcut *bp;
- meta = e->state & Mod1Mask;
- shift = e->state & ShiftMask;
- len = XmbLookupString(xw.xic, e, buf, sizeof(buf), &ksym, &status);
+ if(IS_SET(MODE_KBDLOCK))
+ return;
- /* 1. custom keys from config.h */
- if((customkey = kmap(ksym, e->state)))
- ttywrite(customkey, strlen(customkey));
- /* 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(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);
+ len = XmbLookupString(xw.xic, e, xstr, sizeof(xstr), &ksym, &status);
+ e->state &= ~Mod2Mask;
+ /* 1. shortcuts */
+ 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))) {
+ len = strlen(customkey);
+ memcpy(buf, customkey, len);
+ /* 3. hardcoded (overrides X lookup) */
+ } else {
+ if(len == 0)
+ return;
+
+ if(len == 1 && e->state & Mod1Mask) {
+ if(IS_SET(MODE_8BIT)) {
+ if(*xstr < 0177) {
+ c = *xstr | 0x80;
+ ret = utf8encode(&c, cp);
+ cp += ret;
+ len = 0;
+ }
+ } else {
+ *cp++ = '\033';
}
- break;
}
+
+ 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;
@@ -2281,135 +3576,215 @@ cmessage(XEvent *e) {
} else if(e->xclient.data.l[1] == XEMBED_FOCUS_OUT) {
xw.state &= ~WIN_FOCUSED;
}
- draw();
+ } else if(e->xclient.data.l[0] == xw.wmdeletewin) {
+ /* Send SIGHUP to shell */
+ kill(pid, SIGHUP);
+ exit(EXIT_SUCCESS);
}
}
void
-resize(XEvent *e) {
+cresize(int width, int height) {
int col, row;
- if(e->xconfigure.width == xw.w && e->xconfigure.height == xw.h)
- return;
+ if(width != 0)
+ xw.w = width;
+ if(height != 0)
+ xw.h = height;
- xw.w = e->xconfigure.width;
- xw.h = e->xconfigure.height;
- col = (xw.w - 2*BORDER) / xw.cw;
- row = (xw.h - 2*BORDER) / xw.ch;
- if(col == term.col && row == term.row)
- return;
- if(tresize(col, row))
- draw();
+ col = (xw.w - 2 * borderpx) / xw.cw;
+ row = (xw.h - 2 * borderpx) / xw.ch;
+
+ tresize(col, row);
xresize(col, row);
- ttyresize(col, row);
+ ttyresize();
}
-bool
-last_draw_too_old(void) {
- struct timeval now;
- gettimeofday(&now, NULL);
- return TIMEDIFF(now, xw.lastdraw) >= DRAW_TIMEOUT/1000;
+void
+resize(XEvent *e) {
+ if(e->xconfigure.width == xw.w && e->xconfigure.height == xw.h)
+ return;
+
+ cresize(e->xconfigure.width, e->xconfigure.height);
}
void
run(void) {
XEvent ev;
+ int w = xw.w, h = xw.h;
fd_set rfd;
- int xfd = XConnectionNumber(xw.dpy);
- struct timeval timeout = {0};
- bool stuff_to_print = 0;
+ int xfd = XConnectionNumber(xw.dpy), xev, blinkset = 0, dodraw = 0;
+ struct timeval drawtimeout, *tv = NULL, now, last, lastblink;
+
+ /* Waiting for window mapping */
+ while(1) {
+ XNextEvent(xw.dpy, &ev);
+ if(ev.type == ConfigureNotify) {
+ w = ev.xconfigure.width;
+ h = ev.xconfigure.height;
+ } else if(ev.type == MapNotify) {
+ break;
+ }
+ }
- for(;;) {
+ if(!xw.isfixed)
+ cresize(w, h);
+ else
+ cresize(xw.fw, xw.fh);
+ ttynew();
+
+ gettimeofday(&lastblink, NULL);
+ gettimeofday(&last, NULL);
+
+ for(xev = actionfps;;) {
FD_ZERO(&rfd);
FD_SET(cmdfd, &rfd);
FD_SET(xfd, &rfd);
- timeout.tv_sec = 0;
- timeout.tv_usec = SELECT_TIMEOUT;
- if(select(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, &timeout) < 0) {
+
+ if(select(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, tv) < 0) {
if(errno == EINTR)
continue;
die("select failed: %s\n", SERRNO);
}
if(FD_ISSET(cmdfd, &rfd)) {
ttyread();
- stuff_to_print = 1;
+ if(blinktimeout) {
+ blinkset = tattrset(ATTR_BLINK);
+ if(!blinkset)
+ MODBIT(term.mode, 0, MODE_BLINK);
+ }
}
- if(stuff_to_print && last_draw_too_old()) {
- stuff_to_print = 0;
- draw();
+ if(FD_ISSET(xfd, &rfd))
+ xev = actionfps;
+
+ gettimeofday(&now, NULL);
+ drawtimeout.tv_sec = 0;
+ drawtimeout.tv_usec = (1000/xfps) * 1000;
+ tv = &drawtimeout;
+
+ dodraw = 0;
+ if(blinktimeout && TIMEDIFF(now, lastblink) > blinktimeout) {
+ tsetdirtattr(ATTR_BLINK);
+ term.mode ^= MODE_BLINK;
+ gettimeofday(&lastblink, NULL);
+ dodraw = 1;
+ }
+ if(TIMEDIFF(now, last) \
+ > (xev? (1000/xfps) : (1000/actionfps))) {
+ dodraw = 1;
+ last = now;
}
- while(XPending(xw.dpy)) {
- XNextEvent(xw.dpy, &ev);
- if(XFilterEvent(&ev, xw.win))
- continue;
- if(handler[ev.type])
- (handler[ev.type])(&ev);
+ if(dodraw) {
+ 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);
+
+ if(xev && !FD_ISSET(xfd, &rfd))
+ xev--;
+ if(!FD_ISSET(cmdfd, &rfd) && !FD_ISSET(xfd, &rfd)) {
+ if(blinkset) {
+ if(TIMEDIFF(now, lastblink) \
+ > blinktimeout) {
+ drawtimeout.tv_usec = 1;
+ } else {
+ drawtimeout.tv_usec = (1000 * \
+ (blinktimeout - \
+ TIMEDIFF(now,
+ lastblink)));
+ }
+ } else {
+ tv = NULL;
+ }
+ }
}
}
}
+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;
- unsigned int wr, hr;
+ int bitm, xr, yr;
+ uint wr, hr;
+ char *titles;
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 't':
- if(++i < argc) opt_title = argv[i];
- break;
- case 'c':
- if(++i < argc) opt_class = argv[i];
- break;
- case 'w':
- if(++i < argc) opt_embed = argv[i];
- break;
- case 'f':
- if(++i < argc) opt_io = argv[i];
- break;
- case 'e':
- /* eat every remaining arguments */
- if(++i < argc) opt_cmd = &argv[i];
- goto run;
- 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 'v':
- default:
- die(USAGE);
+ 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];
+ if(argv[1] != NULL && opt_title == NULL) {
+ titles = strdup(argv[1]);
+ opt_title = basename(titles);
+ }
}
- }
+ 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 & YNegative && 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:
+run:
setlocale(LC_CTYPE, "");
+ XSetLocaleModifiers("");
tnew(80, 24);
- ttynew();
xinit();
selinit();
run();
+
return 0;
}