X-Git-Url: https://git.xinqibao.xyz/st.git/blobdiff_plain/c4a9ccec19b14a6bdc980d149e2c27c30f250945..620e3bb39ebe617b69b5cb1323b4f47c2f699527:/st.c
diff --git a/st.c b/st.c
index c043e3f..14408c5 100644
--- a/st.c
+++ b/st.c
@@ -110,17 +110,19 @@ enum glyph_state {
};
enum term_mode {
- MODE_WRAP = 1,
+ MODE_WRAP = 1,
MODE_INSERT = 2,
MODE_APPKEYPAD = 4,
MODE_ALTSCREEN = 8,
- MODE_CRLF = 16,
+ MODE_CRLF = 16,
MODE_MOUSEBTN = 32,
MODE_MOUSEMOTION = 64,
MODE_MOUSE = 32|64,
MODE_REVERSE = 128,
MODE_KBDLOCK = 256,
- MODE_HIDE = 512
+ MODE_HIDE = 512,
+ MODE_ECHO = 1024,
+ MODE_APPCURSOR = 2048
};
enum escape_state {
@@ -226,6 +228,10 @@ typedef struct {
KeySym k;
uint mask;
char s[ESC_BUF_SIZ];
+ /* three valued logic variables: 0 indifferent, 1 on, -1 off */
+ signed char appkey; /* application keypad */
+ signed char appcursor; /* application cursor */
+ signed char crlf; /* crlf mode */
} Key;
/* TODO: use better name for vars... */
@@ -259,6 +265,7 @@ typedef struct {
/* function definitions used in config.h */
static void xzoom(const Arg *);
+static void selpaste(const Arg *);
/* Config.h for applying patches and the configuration. */
#include "config.h"
@@ -277,7 +284,6 @@ typedef struct {
/* Drawing Context */
typedef struct {
Colour col[LEN(colorname) < 256 ? 256 : LEN(colorname)];
- GC gc;
Font font, bfont, ifont, ibfont;
} DC;
@@ -321,6 +327,7 @@ static void tswapscreen(void);
static void tsetdirt(int, int);
static void tsetmode(bool, bool, int *, int);
static void tfulldirt(void);
+static void techo(char *, int);
static void ttynew(void);
static void ttyread(void);
@@ -358,7 +365,6 @@ static void selrequest(XEvent *);
static void selinit(void);
static inline bool selected(int, int);
static void selcopy(void);
-static void selpaste(void);
static void selscroll(int, int);
static int utf8decode(char *, long *);
@@ -748,7 +754,7 @@ selnotify(XEvent *e) {
}
void
-selpaste(void) {
+selpaste(const Arg *dummy) {
XConvertSelection(xw.dpy, XA_PRIMARY, sel.xtarget, XA_PRIMARY,
xw.win, CurrentTime);
}
@@ -819,7 +825,7 @@ brelease(XEvent *e) {
}
if(e->xbutton.button == Button2) {
- selpaste();
+ selpaste(NULL);
} else if(e->xbutton.button == Button1) {
sel.mode = 0;
getbuttoninfo(e, NULL, &sel.ex, &sel.ey);
@@ -1470,7 +1476,7 @@ tsetmode(bool priv, bool set, int *args, int narg) {
switch(*args) {
break;
case 1: /* DECCKM -- Cursor key */
- MODBIT(term.mode, set, MODE_APPKEYPAD);
+ MODBIT(term.mode, set, MODE_APPCURSOR);
break;
case 5: /* DECSCNM -- Reverse video */
mode = term.mode;
@@ -1535,7 +1541,8 @@ tsetmode(bool priv, bool set, int *args, int narg) {
case 4: /* IRM -- Insertion-replacement */
MODBIT(term.mode, set, MODE_INSERT);
break;
- case 12: /* XXX: SRM -- Send/Receive */
+ case 12: /* SRM -- Send/Receive */
+ MODBIT(term.mode, !set, MODE_ECHO);
break;
case 20: /* LNM -- Linefeed/new line */
MODBIT(term.mode, set, MODE_CRLF);
@@ -1849,6 +1856,28 @@ tputtab(bool forward) {
tmoveto(x, term.c.y);
}
+void
+techo(char *buf, int len) {
+ for(; len > 0; buf++, len--) {
+ char c = *buf;
+
+ if(c == '\033') { /* escape */
+ tputc("^", 1);
+ tputc("[", 1);
+ } else if (c < '\x20') { /* control code */
+ if(c != '\n' && c != '\r' && c != '\t') {
+ c |= '\x40';
+ tputc("^", 1);
+ }
+ tputc(&c, 1);
+ } else {
+ break;
+ }
+ }
+ if (len)
+ tputc(buf, len);
+}
+
void
tputc(char *c, int len) {
uchar ascii = *c;
@@ -2398,8 +2427,6 @@ xinit(void) {
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);
/* white cursor, black outline */
cursor = XCreateFontCursor(xw.dpy, XC_xterm);
@@ -2663,17 +2690,29 @@ focus(XEvent *ev) {
char*
kmap(KeySym k, uint state) {
- int i;
uint mask;
+ Key *kp;
state &= ~Mod2Mask;
- for(i = 0; i < LEN(key); i++) {
- mask = key[i].mask;
+ for(kp = key; kp < key + LEN(key); kp++) {
+ mask = kp->mask;
- if(key[i].k == k && ((state & mask) == mask
- || (mask == XK_NO_MOD && !state))) {
- return (char*)key[i].s;
- }
+ if(kp->k != k)
+ continue;
+ if((state & mask) != mask &&
+ (mask == XK_NO_MOD && state))
+ continue;
+ if((kp->appkey < 0 && IS_SET(MODE_APPKEYPAD)) ||
+ (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;
}
@@ -2682,16 +2721,14 @@ void
kpress(XEvent *ev) {
XKeyEvent *e = &ev->xkey;
KeySym ksym;
- char buf[32], *customkey;
- int len, meta, shift, i;
+ char xstr[31], buf[32], *customkey, *cp = buf;
+ int len, i;
Status status;
if (IS_SET(MODE_KBDLOCK))
return;
- meta = e->state & Mod1Mask;
- shift = e->state & ShiftMask;
- len = XmbLookupString(xw.xic, e, buf, sizeof(buf), &ksym, &status);
+ len = XmbLookupString(xw.xic, e, xstr, sizeof(xstr), &ksym, &status);
/* 1. shortcuts */
for(i = 0; i < LEN(shortcuts); i++) {
@@ -2705,46 +2742,25 @@ kpress(XEvent *ev) {
/* 2. custom keys from config.h */
if((customkey = kmap(ksym, e->state))) {
- ttywrite(customkey, strlen(customkey));
+ len = strlen(customkey);
+ memcpy(buf, customkey, len);
/* 2. hardcoded (overrides X lookup) */
} else {
- switch(ksym) {
- case XK_Up:
- case XK_Down:
- case XK_Left:
- case XK_Right:
- /* XXX: shift up/down doesn't work */
- sprintf(buf, "\033%c%c",
- IS_SET(MODE_APPKEYPAD) ? 'O' : '[',
- (shift ? "dacb":"DACB")[ksym - XK_Left]);
- ttywrite(buf, 3);
- break;
- case XK_Insert:
- if(shift)
- selpaste();
- break;
- case XK_Return:
- if(meta)
- ttywrite("\033", 1);
+ if(len == 0)
+ return;
- if(IS_SET(MODE_CRLF)) {
- ttywrite("\r\n", 2);
- } else {
- ttywrite("\r", 1);
- }
- break;
- /* 3. X lookup */
- default:
- if(len > 0) {
- if(meta && len == 1)
- ttywrite("\033", 1);
- ttywrite(buf, len);
- }
- break;
- }
+ if (len == 1 && e->state & Mod1Mask)
+ *cp++ = '\033';
+
+ memcpy(cp, xstr, len);
+ len = cp - buf + len;
}
+ ttywrite(buf, len);
+ if(IS_SET(MODE_ECHO))
+ techo(buf, len);
}
+
void
cmessage(XEvent *e) {
/* See xembed specs