return p - buf;
}
-void term_key(Terminal *term, Key_Sym keysym, wchar_t *text, size_t tlen,
- unsigned int modifiers, unsigned int flags)
-{
- char output[10];
- char *p = output;
- int prependesc = FALSE;
-#if 0
- int i;
-
- fprintf(stderr, "keysym = %d, %d chars:", keysym, tlen);
- for (i = 0; i < tlen; i++)
- fprintf(stderr, " %04x", (unsigned)text[i]);
- fprintf(stderr, "\n");
-#endif
-
- /* XXX Num Lock */
- if ((flags & PKF_REPEAT) && term->repeat_off)
- return;
-
- /* Currently, Meta always just prefixes everything with ESC. */
- if (modifiers & PKM_META)
- prependesc = TRUE;
- modifiers &= ~PKM_META;
-
- /*
- * Alt is only used for Alt+keypad, which isn't supported yet, so
- * ignore it.
- */
- modifiers &= ~PKM_ALT;
-
- /* Standard local function keys */
- switch (modifiers & (PKM_SHIFT | PKM_CONTROL)) {
- case PKM_SHIFT:
- if (keysym == PK_PAGEUP)
- /* scroll up one page */;
- if (keysym == PK_PAGEDOWN)
- /* scroll down on page */;
- if (keysym == PK_INSERT)
- term_do_paste(term);
- break;
- case PKM_CONTROL:
- if (keysym == PK_PAGEUP)
- /* scroll up one line */;
- if (keysym == PK_PAGEDOWN)
- /* scroll down one line */;
- /* Control-Numlock for app-keypad mode switch */
- if (keysym == PK_PF1)
- term->app_keypad_keys ^= 1;
- break;
- }
-
- if (modifiers & PKM_ALT) {
- /* Alt+F4 (close) */
- /* Alt+Return (full screen) */
- /* Alt+Space (system menu) */
- }
-
- if (keysym == PK_NULL && (modifiers & PKM_CONTROL) && tlen == 1 &&
- text[0] >= 0x20 && text[0] <= 0x7e) {
- /* ASCII chars + Control */
- if ((text[0] >= 0x40 && text[0] <= 0x5f) ||
- (text[0] >= 0x61 && text[0] <= 0x7a))
- text[0] &= 0x1f;
- else {
- /*
- * Control-2 should return ^@ (0x00), Control-6 should return
- * ^^ (0x1E), and Control-Minus should return ^_ (0x1F). Since
- * the DOS keyboard handling did it, and we have nothing better
- * to do with the key combo in question, we'll also map
- * Control-Backquote to ^\ (0x1C).
- */
- switch (text[0]) {
- case ' ': text[0] = 0x00; break;
- case '-': text[0] = 0x1f; break;
- case '/': text[0] = 0x1f; break;
- case '2': text[0] = 0x00; break;
- case '3': text[0] = 0x1b; break;
- case '4': text[0] = 0x1c; break;
- case '5': text[0] = 0x1d; break;
- case '6': text[0] = 0x1e; break;
- case '7': text[0] = 0x1f; break;
- case '8': text[0] = 0x7f; break;
- case '`': text[0] = 0x1c; break;
- }
- }
- }
-
- /* Nethack keypad */
- if (term->nethack_keypad) {
- char c = 0;
- switch (keysym) {
- case PK_KP1: c = 'b'; break;
- case PK_KP2: c = 'j'; break;
- case PK_KP3: c = 'n'; break;
- case PK_KP4: c = 'h'; break;
- case PK_KP5: c = '.'; break;
- case PK_KP6: c = 'l'; break;
- case PK_KP7: c = 'y'; break;
- case PK_KP8: c = 'k'; break;
- case PK_KP9: c = 'u'; break;
- default: break; /* else gcc warns `enum value not used' */
- }
- if (c != 0) {
- if (c != '.') {
- if (modifiers & PKM_CONTROL)
- c &= 0x1f;
- else if (modifiers & PKM_SHIFT)
- c = toupper((unsigned char)c);
- }
- *p++ = c;
- goto done;
- }
- }
-
- /* Numeric Keypad */
- if (PK_ISKEYPAD(keysym)) {
- int xkey = 0;
-
- /*
- * In VT400 mode, PFn always emits an escape sequence. In
- * Linux and tilde modes, this only happens in app keypad mode.
- */
- if (term->funky_type == FUNKY_VT400 ||
- ((term->funky_type == FUNKY_LINUX ||
- term->funky_type == FUNKY_TILDE) &&
- term->app_keypad_keys && !term->no_applic_k)) {
- switch (keysym) {
- case PK_PF1: xkey = 'P'; break;
- case PK_PF2: xkey = 'Q'; break;
- case PK_PF3: xkey = 'R'; break;
- case PK_PF4: xkey = 'S'; break;
- default: break; /* else gcc warns `enum value not used' */
- }
- }
- if (term->app_keypad_keys && !term->no_applic_k) {
- switch (keysym) {
- case PK_KP0: xkey = 'p'; break;
- case PK_KP1: xkey = 'q'; break;
- case PK_KP2: xkey = 'r'; break;
- case PK_KP3: xkey = 's'; break;
- case PK_KP4: xkey = 't'; break;
- case PK_KP5: xkey = 'u'; break;
- case PK_KP6: xkey = 'v'; break;
- case PK_KP7: xkey = 'w'; break;
- case PK_KP8: xkey = 'x'; break;
- case PK_KP9: xkey = 'y'; break;
- case PK_KPDECIMAL: xkey = 'n'; break;
- case PK_KPENTER: xkey = 'M'; break;
- default: break; /* else gcc warns `enum value not used' */
- }
- if (term->funky_type == FUNKY_XTERM && tlen > 0) {
- /*
- * xterm can't see the layout of the keypad, so it has
- * to rely on the X keysyms returned by the keys.
- * Hence, we look at the strings here, not the PuTTY
- * keysyms (which describe the layout).
- */
- switch (text[0]) {
- case '+':
- if (modifiers & PKM_SHIFT)
- xkey = 'l';
- else
- xkey = 'k';
- break;
- case '/': xkey = 'o'; break;
- case '*': xkey = 'j'; break;
- case '-': xkey = 'm'; break;
- }
- } else {
- /*
- * In all other modes, we try to retain the layout of
- * the DEC keypad in application mode.
- */
- switch (keysym) {
- case PK_KPBIGPLUS:
- /* This key covers the '-' and ',' keys on a VT220 */
- if (modifiers & PKM_SHIFT)
- xkey = 'm'; /* VT220 '-' */
- else
- xkey = 'l'; /* VT220 ',' */
- break;
- case PK_KPMINUS: xkey = 'm'; break;
- case PK_KPCOMMA: xkey = 'l'; break;
- default: break; /* else gcc warns `enum value not used' */
- }
- }
- }
- if (xkey) {
- if (term->vt52_mode) {
- if (xkey >= 'P' && xkey <= 'S')
- p += sprintf((char *) p, "\x1B%c", xkey);
- else
- p += sprintf((char *) p, "\x1B?%c", xkey);
- } else
- p += sprintf((char *) p, "\x1BO%c", xkey);
- goto done;
- }
- /* Not in application mode -- treat the number pad as arrow keys? */
- if ((flags & PKF_NUMLOCK) == 0) {
- switch (keysym) {
- case PK_KP0: keysym = PK_INSERT; break;
- case PK_KP1: keysym = PK_END; break;
- case PK_KP2: keysym = PK_DOWN; break;
- case PK_KP3: keysym = PK_PAGEDOWN; break;
- case PK_KP4: keysym = PK_LEFT; break;
- case PK_KP5: keysym = PK_REST; break;
- case PK_KP6: keysym = PK_RIGHT; break;
- case PK_KP7: keysym = PK_HOME; break;
- case PK_KP8: keysym = PK_UP; break;
- case PK_KP9: keysym = PK_PAGEUP; break;
- default: break; /* else gcc warns `enum value not used' */
- }
- }
- }
-
- /* Miscellaneous keys */
- switch (keysym) {
- case PK_ESCAPE:
- *p++ = 0x1b;
- goto done;
- case PK_BACKSPACE:
- if (modifiers == 0)
- *p++ = (term->bksp_is_delete ? 0x7F : 0x08);
- else if (modifiers == PKM_SHIFT)
- /* We do the opposite of what is configured */
- *p++ = (term->bksp_is_delete ? 0x08 : 0x7F);
- else break;
- goto done;
- case PK_TAB:
- if (modifiers == 0)
- *p++ = 0x09;
- else if (modifiers == PKM_SHIFT)
- *p++ = 0x1B, *p++ = '[', *p++ = 'Z';
- else break;
- goto done;
- /* XXX window.c has ctrl+shift+space sending 0xa0 */
- case PK_PAUSE:
- if (modifiers == PKM_CONTROL)
- *p++ = 26;
- else break;
- goto done;
- case PK_RETURN:
- case PK_KPENTER: /* Odd keypad modes handled above */
- if (modifiers == 0) {
- *p++ = 0x0d;
- if (term->cr_lf_return)
- *p++ = 0x0a;
- goto done;
- }
- default: break; /* else gcc warns `enum value not used' */
- }
-
- /* SCO function keys and editing keys */
- if (term->funky_type == FUNKY_SCO) {
- if (PK_ISFKEY(keysym) && keysym <= PK_F12) {
- static char const codes[] =
- "MNOPQRSTUVWX" "YZabcdefghij" "klmnopqrstuv" "wxyz@[\\]^_`{";
- int index = keysym - PK_F1;
-
- if (modifiers & PKM_SHIFT) index += 12;
- if (modifiers & PKM_CONTROL) index += 24;
- p += sprintf((char *) p, "\x1B[%c", codes[index]);
- goto done;
- }
- if (PK_ISEDITING(keysym)) {
- int xkey = 0;
-
- switch (keysym) {
- case PK_DELETE: *p++ = 0x7f; goto done;
- case PK_HOME: xkey = 'H'; break;
- case PK_INSERT: xkey = 'L'; break;
- case PK_END: xkey = 'F'; break;
- case PK_PAGEUP: xkey = 'I'; break;
- case PK_PAGEDOWN: xkey = 'G'; break;
- default: break; /* else gcc warns `enum value not used' */
- }
- p += sprintf((char *) p, "\x1B[%c", xkey);
- }
- }
-
- if (PK_ISEDITING(keysym) && (modifiers & PKM_SHIFT) == 0) {
- int code;
-
- if (term->funky_type == FUNKY_XTERM) {
- /* Xterm shuffles these keys, apparently. */
- switch (keysym) {
- case PK_HOME: keysym = PK_INSERT; break;
- case PK_INSERT: keysym = PK_HOME; break;
- case PK_DELETE: keysym = PK_END; break;
- case PK_END: keysym = PK_PAGEUP; break;
- case PK_PAGEUP: keysym = PK_DELETE; break;
- case PK_PAGEDOWN: keysym = PK_PAGEDOWN; break;
- default: break; /* else gcc warns `enum value not used' */
- }
- }
-
- /* RXVT Home/End */
- if (term->rxvt_homeend &&
- (keysym == PK_HOME || keysym == PK_END)) {
- p += sprintf((char *) p, keysym == PK_HOME ? "\x1B[H" : "\x1BOw");
- goto done;
- }
-
- if (term->vt52_mode) {
- int xkey;
-
- /*
- * A real VT52 doesn't have these, and a VT220 doesn't
- * send anything for them in VT52 mode.
- */
- switch (keysym) {
- case PK_HOME: xkey = 'H'; break;
- case PK_INSERT: xkey = 'L'; break;
- case PK_DELETE: xkey = 'M'; break;
- case PK_END: xkey = 'E'; break;
- case PK_PAGEUP: xkey = 'I'; break;
- case PK_PAGEDOWN: xkey = 'G'; break;
- default: xkey=0; break; /* else gcc warns `enum value not used'*/
- }
- p += sprintf((char *) p, "\x1B%c", xkey);
- goto done;
- }
-
- switch (keysym) {
- case PK_HOME: code = 1; break;
- case PK_INSERT: code = 2; break;
- case PK_DELETE: code = 3; break;
- case PK_END: code = 4; break;
- case PK_PAGEUP: code = 5; break;
- case PK_PAGEDOWN: code = 6; break;
- default: code = 0; break; /* else gcc warns `enum value not used' */
- }
- p += sprintf((char *) p, "\x1B[%d~", code);
- goto done;
- }
-
- if (PK_ISFKEY(keysym)) {
- /* Map Shift+F1-F10 to F11-F20 */
- if (keysym >= PK_F1 && keysym <= PK_F10 && (modifiers & PKM_SHIFT))
- keysym += 10;
- if ((term->vt52_mode || term->funky_type == FUNKY_VT100P) &&
- keysym <= PK_F14) {
- /* XXX This overrides the XTERM/VT52 mode below */
- int offt = 0;
- if (keysym >= PK_F6) offt++;
- if (keysym >= PK_F12) offt++;
- p += sprintf((char *) p, term->vt52_mode ? "\x1B%c" : "\x1BO%c",
- 'P' + keysym - PK_F1 - offt);
- goto done;
- }
- if (term->funky_type == FUNKY_LINUX && keysym <= PK_F5) {
- p += sprintf((char *) p, "\x1B[[%c", 'A' + keysym - PK_F1);
- goto done;
- }
- if (term->funky_type == FUNKY_XTERM && keysym <= PK_F4) {
- if (term->vt52_mode)
- p += sprintf((char *) p, "\x1B%c", 'P' + keysym - PK_F1);
- else
- p += sprintf((char *) p, "\x1BO%c", 'P' + keysym - PK_F1);
- goto done;
- }
- p += sprintf((char *) p, "\x1B[%d~", 11 + keysym - PK_F1);
- goto done;
- }
-
- if (PK_ISCURSOR(keysym)) {
- int xkey;
-
- switch (keysym) {
- case PK_UP: xkey = 'A'; break;
- case PK_DOWN: xkey = 'B'; break;
- case PK_RIGHT: xkey = 'C'; break;
- case PK_LEFT: xkey = 'D'; break;
- case PK_REST: xkey = 'G'; break; /* centre key on number pad */
- default: xkey = 0; break; /* else gcc warns `enum value not used' */
- }
- p += format_arrow_key(p, term, xkey, modifiers == PKM_CONTROL);
- goto done;
- }
-
- done:
- if (p > output || tlen > 0) {
- /*
- * Interrupt an ongoing paste. I'm not sure
- * this is sensible, but for the moment it's
- * preferable to having to faff about buffering
- * things.
- */
- term_nopaste(term);
-
- /*
- * We need not bother about stdin backlogs
- * here, because in GUI PuTTY we can't do
- * anything about it anyway; there's no means
- * of asking Windows to hold off on KEYDOWN
- * messages. We _have_ to buffer everything
- * we're sent.
- */
- term_seen_key_event(term);
-
- if (prependesc) {
-#if 0
- fprintf(stderr, "sending ESC\n");
-#endif
- ldisc_send(term->ldisc, "\x1b", 1, 1);
- }
-
- if (p > output) {
-#if 0
- fprintf(stderr, "sending %d bytes:", p - output);
- for (i = 0; i < p - output; i++)
- fprintf(stderr, " %02x", output[i]);
- fprintf(stderr, "\n");
-#endif
- ldisc_send(term->ldisc, output, p - output, 1);
- } else if (tlen > 0) {
-#if 0
- fprintf(stderr, "sending %d unichars:", tlen);
- for (i = 0; i < tlen; i++)
- fprintf(stderr, " %04x", (unsigned) text[i]);
- fprintf(stderr, "\n");
-#endif
- luni_send(term->ldisc, text, tlen, 1);
- }
- }
-}
-
void term_nopaste(Terminal *term)
{
if (term->paste_len == 0)
~mdw / sgt / putty / commitdiff