#define STR_ARG_SIZ 16
#define DRAW_BUF_SIZ 20*1024
#define UTF_SIZ 4
-#define XK_NO_MOD UINT_MAX
-#define XK_ANY_MOD 0
+#define XK_ANY_MOD UINT_MAX
+#define XK_NO_MOD 0
#define REDRAW_TIMEOUT (80*1000) /* 80 ms */
/* macros */
-#define CLEANMASK(mask) (mask & (ShiftMask|ControlMask|Mod1Mask|Mod2Mask|Mod3Mask|Mod4Mask|Mod5Mask))
#define SERRNO strerror(errno)
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#define MAX(a, b) ((a) < (b) ? (b) : (a))
#define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b))
#define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)
#define ATTRCMP(a, b) ((a).mode != (b).mode || (a).fg != (b).fg || (a).bg != (b).bg)
-#define IS_SET(flag) (term.mode & (flag))
+#define IS_SET(flag) ((term.mode & (flag)) != 0)
#define TIMEDIFF(t1, t2) ((t1.tv_sec-t2.tv_sec)*1000 + (t1.tv_usec-t2.tv_usec)/1000)
#define VT102ID "\033[?6c"
};
enum cursor_movement {
- CURSOR_UP,
- CURSOR_DOWN,
- CURSOR_LEFT,
- CURSOR_RIGHT,
CURSOR_SAVE,
CURSOR_LOAD
};
int bot; /* bottom scroll limit */
int mode; /* terminal mode flags */
int esc; /* escape state flags */
+ bool numlock; /* lock numbers in keyboard */
bool *tabs;
} Term;
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... */
/* function definitions used in config.h */
static void xzoom(const Arg *);
static void selpaste(const Arg *);
+static void numlock(const Arg *);
/* Config.h for applying patches and the configuration. */
#include "config.h"
static void tfulldirt(void);
static void techo(char *, int);
+static inline bool match(uint, uint);
static void ttynew(void);
static void ttyread(void);
static void ttyresize(void);
}
void
-getbuttoninfo(XEvent *e, int *b, int *x, int *y) {
- if(b)
- *b = e->xbutton.button;
+getbuttoninfo(XEvent *e) {
+ sel.alt = IS_SET(MODE_ALTSCREEN);
- *x = x2col(e->xbutton.x);
- *y = y2row(e->xbutton.y);
+ sel.ex = x2col(e->xbutton.x);
+ sel.ey = y2row(e->xbutton.y);
sel.b.x = sel.by < sel.ey ? sel.bx : sel.ex;
sel.b.y = MIN(sel.by, sel.ey);
}
*ptr = 0;
}
- sel.alt = IS_SET(MODE_ALTSCREEN);
xsetsel(str);
}
selpaste(NULL);
} else if(e->xbutton.button == Button1) {
sel.mode = 0;
- getbuttoninfo(e, NULL, &sel.ex, &sel.ey);
+ getbuttoninfo(e);
term.dirty[sel.ey] = 1;
if(sel.bx == sel.ex && sel.by == sel.ey) {
sel.bx = -1;
return;
}
- if(sel.mode) {
- oldey = sel.ey;
- oldex = sel.ex;
- getbuttoninfo(e, NULL, &sel.ex, &sel.ey);
+ if(!sel.mode)
+ return;
- if(oldey != sel.ey || oldex != sel.ex) {
- starty = MIN(oldey, sel.ey);
- endy = MAX(oldey, sel.ey);
- tsetdirt(starty, endy);
- }
+ oldey = sel.ey;
+ oldex = sel.ex;
+ getbuttoninfo(e);
+
+ if(oldey != sel.ey || oldex != sel.ex) {
+ starty = MIN(oldey, sel.ey);
+ endy = MAX(oldey, sel.ey);
+ tsetdirt(starty, endy);
}
}
term.alt [row] = xmalloc(term.col * sizeof(Glyph));
term.dirty[row] = 0;
}
+
+ term.numlock = 1;
memset(term.tabs, 0, term.col * sizeof(*term.tabs));
/* setup screen */
treset();
case 1049: /* = 1047 and 1048 */
case 47:
case 1047: {
- alt = IS_SET(MODE_ALTSCREEN) != 0;
+ 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 */
}
}
/*
- * All characters which forms part of a sequence are not
+ * All characters which form part of a sequence are not
* printed
*/
return;
sel.bx = -1;
if(IS_SET(MODE_WRAP) && term.c.state & CURSOR_WRAPNEXT)
tnewline(1); /* always go to first col */
+
+ if(IS_SET(MODE_INSERT) && term.c.x+1 < term.col) {
+ memmove(&term.line[term.c.y][term.c.x+1],
+ &term.line[term.c.y][term.c.x],
+ (term.col - term.c.x - 1) * sizeof(Glyph));
+ }
+
tsetchar(c, &term.c.attr, term.c.x, term.c.y);
- if(term.c.x+1 < term.col)
+ if(term.c.x+1 < term.col) {
tmoveto(term.c.x+1, term.c.y);
- else
+ } else {
term.c.state |= CURSOR_WRAPNEXT;
+ }
}
int
void
xresize(int col, int row) {
- xw.tw = MAX(1, 2*borderpx + col * xw.cw);
- xw.th = MAX(1, 2*borderpx + row * xw.ch);
+ xw.tw = MAX(1, col * xw.cw);
+ xw.th = MAX(1, row * xw.ch);
XftDrawChange(xw.draw, xw.buf);
}
sizeh->width = xw.w;
sizeh->height_inc = xw.ch;
sizeh->width_inc = xw.cw;
- sizeh->base_height = 2*borderpx;
- sizeh->base_width = 2*borderpx;
+ sizeh->base_height = 2 * borderpx;
+ sizeh->base_width = 2 * borderpx;
} else {
sizeh->flags = PMaxSize | PMinSize;
sizeh->min_width = sizeh->max_width = xw.fw;
xw.w = xw.fw;
} else {
/* window - default size */
- xw.h = 2*borderpx + term.row * xw.ch;
- xw.w = 2*borderpx + term.col * xw.cw;
+ xw.h = 2 * borderpx + term.row * xw.ch;
+ xw.w = 2 * borderpx + term.col * xw.cw;
xw.fx = 0;
xw.fy = 0;
}
int ic, ib, x, y, ox, sl;
Glyph base, new;
char buf[DRAW_BUF_SIZ];
- bool ena_sel = sel.bx != -1, alt = IS_SET(MODE_ALTSCREEN) != 0;
+ bool ena_sel = sel.bx != -1;
- if((sel.alt != 0) ^ alt)
+ if(sel.alt ^ IS_SET(MODE_ALTSCREEN))
ena_sel = 0;
+
if(!(xw.state & WIN_VISIBLE))
return;
}
}
+inline bool
+match(uint mask, uint state) {
+ if(mask == XK_NO_MOD && state)
+ return false;
+ if(mask != XK_ANY_MOD && mask != XK_NO_MOD && !state)
+ return false;
+ if((state & mask) != state)
+ return false;
+ return true;
+}
+
+void
+numlock(const Arg *dummy) {
+ term.numlock ^= 1;
+}
+
char*
kmap(KeySym k, uint state) {
- int i;
uint mask;
+ Key *kp;
+ int i;
+
+ /* Check for mapped keys out of X11 function keys. */
+ for(i = 0; i < LEN(mappedkeys); i++) {
+ if(mappedkeys[i] == k)
+ break;
+ }
+ if(i == LEN(mappedkeys)) {
+ if((k & 0xFFFF) < 0xFF00)
+ return NULL;
+ }
+
+ for(kp = key; kp < key + LEN(key); kp++) {
+ mask = kp->mask;
+
+ if(kp->k != k)
+ continue;
- state &= ~Mod2Mask;
- for(i = 0; i < LEN(key); i++) {
- mask = key[i].mask;
+ if(!match(mask, state))
+ continue;
- if(key[i].k == k && ((state & mask) == mask
- || (mask == XK_NO_MOD && !state))) {
- return (char*)key[i].s;
+ 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;
}
XKeyEvent *e = &ev->xkey;
KeySym ksym;
char xstr[31], buf[32], *customkey, *cp = buf;
- int len, meta, shift, i;
+ int len;
Status status;
+ Shortcut *bp;
if (IS_SET(MODE_KBDLOCK))
return;
- meta = e->state & Mod1Mask;
- shift = e->state & ShiftMask;
len = XmbLookupString(xw.xic, e, xstr, sizeof(xstr), &ksym, &status);
-
+ e->state &= ~Mod2Mask;
/* 1. shortcuts */
- for(i = 0; i < LEN(shortcuts); i++) {
- if((ksym == shortcuts[i].keysym)
- && (CLEANMASK(shortcuts[i].mod) == \
- CLEANMASK(e->state))
- && shortcuts[i].func) {
- shortcuts[i].func(&(shortcuts[i].arg));
+ for(bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) {
+ if(ksym == bp->keysym && match(bp->mod, e->state)) {
+ bp->func(&(bp->arg));
+ return;
}
}
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]);
- len = 3;
- break;
- case XK_Return:
- len = 0;
- if(meta)
- *cp++ = '\033', len++;
-
- *cp++ = '\r', len++;
-
- if(IS_SET(MODE_CRLF))
- *cp = '\n', len++;
- break;
- /* 3. X lookup */
- default:
- if(len == 0)
- return;
+ if(len == 0)
+ return;
- if (len == 1 && meta)
- *cp++ = '\033';
+ if (len == 1 && e->state & Mod1Mask)
+ *cp++ = '\033';
- memcpy(cp, xstr, len);
- len = cp - buf + len;
- break;
- }
+ memcpy(cp, xstr, len);
+ len = cp - buf + len;
}
+
ttywrite(buf, len);
if(IS_SET(MODE_ECHO))
techo(buf, len);
if(height != 0)
xw.h = height;
- col = (xw.w - 2*borderpx) / xw.cw;
- row = (xw.h - 2*borderpx) / xw.ch;
+ col = (xw.w - 2 * borderpx) / xw.cw;
+ row = (xw.h - 2 * borderpx) / xw.ch;
tresize(col, row);
xresize(col, row);
opt_class = argv[i];
break;
case 'e':
- /* eat every remaining arguments */
+ /* eat all remaining arguments */
if(++i < argc)
opt_cmd = &argv[i];
goto run;
ttynew();
selinit();
run();
+
return 0;
}
Got questions, comments, patches, etc.? Contact Jason Woofenden