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Fix xterm cursor key modifiers

This commit is contained in:
Přemysl Eric Janouch 2015-07-25 19:34:56 +02:00
parent 128524cd2b
commit 0b5d8ecd0d
1 changed files with 39 additions and 24 deletions
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61
driver-csi.c
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@ -75,7 +75,7 @@ register_csi_ss3 (termo_type_t type, termo_sym_t sym, unsigned char cmd)
} }
// //
// Handler for rxvt special cursor key codes // Handler for regular cursor key codes
// //
static termo_result_t static termo_result_t
@ -83,25 +83,44 @@ handle_csi_cursor (termo_t *tk,
termo_key_t *key, int cmd, long *arg, int args) termo_key_t *key, int cmd, long *arg, int args)
{ {
(void) tk; (void) tk;
// CSI arrow keys without arguments are usually Ctrl-modified,
// and if not, as is the case with urxvt, they're specified in terminfo.
// In addition to that, xterm can specify modifiers in an argument.
key->type = TERMO_TYPE_KEYSYM;
if (args > 1 && arg[1] != -1)
key->modifiers = arg[1] - 1;
else
key->modifiers = TERMO_KEYMOD_CTRL;
if (cmd == 'A') key->code.sym = TERMO_SYM_UP;
if (cmd == 'B') key->code.sym = TERMO_SYM_DOWN;
if (cmd == 'C') key->code.sym = TERMO_SYM_RIGHT;
if (cmd == 'D') key->code.sym = TERMO_SYM_LEFT;
return TERMO_RES_KEY;
}
//
// Handler for rxvt special cursor key codes
//
static termo_result_t
handle_csi_cursor_rxvt (termo_t *tk,
termo_key_t *key, int cmd, long *arg, int args)
{
(void) tk;
(void) arg; (void) arg;
(void) args; (void) args;
// CSI with small letter stands for Shift
// SS3 with small letter stands for Ctrl but we don't handle that here
key->type = TERMO_TYPE_KEYSYM; key->type = TERMO_TYPE_KEYSYM;
key->modifiers = 0; key->modifiers = TERMO_KEYMOD_SHIFT;
if (cmd == 'a') key->code.sym = TERMO_SYM_UP; if (cmd == 'a') key->code.sym = TERMO_SYM_UP;
if (cmd == 'b') key->code.sym = TERMO_SYM_DOWN; if (cmd == 'b') key->code.sym = TERMO_SYM_DOWN;
if (cmd == 'c') key->code.sym = TERMO_SYM_RIGHT; if (cmd == 'c') key->code.sym = TERMO_SYM_RIGHT;
if (cmd == 'd') key->code.sym = TERMO_SYM_LEFT; if (cmd == 'd') key->code.sym = TERMO_SYM_LEFT;
if (key->code.sym == TERMO_SYM_UNKNOWN)
return TERMO_RES_NONE;
// CSI with small letter stands for Shift
// SS3 with small letter stands for Ctrl but we don't handle that here
if (cmd & 32)
key->modifiers |= TERMO_KEYMOD_SHIFT;
return TERMO_RES_KEY; return TERMO_RES_KEY;
} }
@ -568,20 +587,16 @@ register_keys (void)
register_ss3 (TERMO_TYPE_KEYSYM, TERMO_SYM_RIGHT, 0, 'C'); register_ss3 (TERMO_TYPE_KEYSYM, TERMO_SYM_RIGHT, 0, 'C');
register_ss3 (TERMO_TYPE_KEYSYM, TERMO_SYM_LEFT, 0, 'D'); register_ss3 (TERMO_TYPE_KEYSYM, TERMO_SYM_LEFT, 0, 'D');
register_csi_ss3_full csi_handlers['A' - 0x20] = &handle_csi_cursor;
(TERMO_TYPE_KEYSYM, TERMO_SYM_UP, TERMO_KEYMOD_CTRL, 0, 'A'); csi_handlers['B' - 0x20] = &handle_csi_cursor;
register_csi_ss3_full csi_handlers['C' - 0x20] = &handle_csi_cursor;
(TERMO_TYPE_KEYSYM, TERMO_SYM_DOWN, TERMO_KEYMOD_CTRL, 0, 'B'); csi_handlers['D' - 0x20] = &handle_csi_cursor;
register_csi_ss3_full
(TERMO_TYPE_KEYSYM, TERMO_SYM_RIGHT, TERMO_KEYMOD_CTRL, 0, 'C');
register_csi_ss3_full
(TERMO_TYPE_KEYSYM, TERMO_SYM_LEFT, TERMO_KEYMOD_CTRL, 0, 'D');
// Handle Shift-modified rxvt cursor keys (CSI a, CSI b, CSI c, CSI d) // Handle Shift-modified rxvt cursor keys (CSI a, CSI b, CSI c, CSI d)
csi_handlers['a' - 0x20] = &handle_csi_cursor; csi_handlers['a' - 0x20] = &handle_csi_cursor_rxvt;
csi_handlers['b' - 0x20] = &handle_csi_cursor; csi_handlers['b' - 0x20] = &handle_csi_cursor_rxvt;
csi_handlers['c' - 0x20] = &handle_csi_cursor; csi_handlers['c' - 0x20] = &handle_csi_cursor_rxvt;
csi_handlers['d' - 0x20] = &handle_csi_cursor; csi_handlers['d' - 0x20] = &handle_csi_cursor_rxvt;
// Handle Ctrl-modified rxvt cursor keys (SS3 a, SS3 b, SS3 c, SS3 d) // Handle Ctrl-modified rxvt cursor keys (SS3 a, SS3 b, SS3 c, SS3 d)
register_ss3 (TERMO_TYPE_KEYSYM, TERMO_SYM_UP, TERMO_KEYMOD_CTRL, 'a'); register_ss3 (TERMO_TYPE_KEYSYM, TERMO_SYM_UP, TERMO_KEYMOD_CTRL, 'a');