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Diffstat (limited to 'driver-csi.c')
-rw-r--r--driver-csi.c97
1 files changed, 81 insertions, 16 deletions
diff --git a/driver-csi.c b/driver-csi.c
index d3d3670..a77341b 100644
--- a/driver-csi.c
+++ b/driver-csi.c
@@ -68,6 +68,54 @@ register_csi_ss3 (termo_type_t type, termo_sym_t sym, unsigned char cmd)
}
//
+// Handler for rxvt special cursor key codes
+//
+
+static termo_result_t
+handle_csi_cursor (termo_t *tk,
+ termo_key_t *key, int cmd, long *arg, int args)
+{
+ (void) tk;
+ (void) arg;
+ (void) args;
+
+ key->type = TERMO_TYPE_KEYSYM;
+ key->modifiers = 0;
+
+ 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;
+
+ 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;
+}
+
+//
+// Handler for rxvt SS3-only key combinations
+//
+
+static void
+register_ss3 (termo_type_t type, termo_sym_t sym,
+ int modifier_set, unsigned char cmd)
+{
+ if (cmd < 0x40 || cmd >= 0x80)
+ return;
+
+ ss3s[cmd - 0x40].type = type;
+ ss3s[cmd - 0x40].sym = sym;
+ ss3s[cmd - 0x40].modifier_set = modifier_set;
+ ss3s[cmd - 0x40].modifier_mask = 0;
+}
+
+//
// Handler for SS3 keys with kpad alternate representations
//
@@ -147,22 +195,31 @@ register_csifunc (termo_type_t type, termo_sym_t sym, int number)
}
//
-// URxvt seems to emit this instead of ~ when holding Ctrl
+// rxvt seems to emit these instead of ~ when holding various modifiers
//
static termo_result_t
-handle_csi_caret (termo_t *tk,
+handle_csi_rxvt (termo_t *tk,
termo_key_t *key, int cmd, long *arg, int args)
{
+ termo_result_t res;
switch (cmd)
{
case '^':
- {
- termo_result_t res = handle_csifunc (tk, key, cmd, arg, args);
+ res = handle_csifunc (tk, key, cmd, arg, args);
if (res == TERMO_RES_KEY)
key->modifiers |= TERMO_KEYMOD_CTRL;
return res;
- }
+ case '$':
+ res = handle_csifunc (tk, key, cmd, arg, args);
+ if (res == TERMO_RES_KEY)
+ key->modifiers |= TERMO_KEYMOD_SHIFT;
+ return res;
+ case '@':
+ res = handle_csifunc (tk, key, cmd, arg, args);
+ if (res == TERMO_RES_KEY)
+ key->modifiers |= TERMO_KEYMOD_CTRL | TERMO_KEYMOD_SHIFT;
+ return res;
default:
return TERMO_RES_NONE;
}
@@ -489,6 +546,22 @@ register_keys (void)
register_csi_ss3 (TERMO_TYPE_FUNCTION, 3, 'R');
register_csi_ss3 (TERMO_TYPE_FUNCTION, 4, 'S');
+ // Handle Shift-modified rxvt cursor keys (CSI a, CSI b, CSI c, CSI d)
+ csi_handlers['a' - 0x40] = &handle_csi_cursor;
+ csi_handlers['b' - 0x40] = &handle_csi_cursor;
+ csi_handlers['c' - 0x40] = &handle_csi_cursor;
+ csi_handlers['d' - 0x40] = &handle_csi_cursor;
+
+ // 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_DOWN, TERMO_KEYMOD_CTRL, 'b');
+ register_ss3 (TERMO_TYPE_KEYSYM, TERMO_SYM_RIGHT, TERMO_KEYMOD_CTRL, 'c');
+ register_ss3 (TERMO_TYPE_KEYSYM, TERMO_SYM_LEFT, TERMO_KEYMOD_CTRL, 'd');
+
+ // Unfortunately Ctrl-Shift-modified rxvt cursor keys get eaten up by
+ // csi_ss3s as unmodified but rxvt-unicode only seems to output Shift codes
+ // for them anyway, so it's not a huge loss.
+
register_csi_ss3_full (TERMO_TYPE_KEYSYM, TERMO_SYM_TAB,
TERMO_KEYMOD_SHIFT, TERMO_KEYMOD_SHIFT, 'Z');
@@ -550,17 +623,9 @@ register_keys (void)
csi_handlers['y' - 0x40] = &handle_csi_y;
- // URxvt
- register_csi_ss3_full (TERMO_TYPE_KEYSYM, TERMO_SYM_UP,
- TERMO_KEYMOD_CTRL, TERMO_KEYMOD_CTRL, 'a');
- register_csi_ss3_full (TERMO_TYPE_KEYSYM, TERMO_SYM_DOWN,
- TERMO_KEYMOD_CTRL, TERMO_KEYMOD_CTRL, 'b');
- register_csi_ss3_full (TERMO_TYPE_KEYSYM, TERMO_SYM_RIGHT,
- TERMO_KEYMOD_CTRL, TERMO_KEYMOD_CTRL, 'c');
- register_csi_ss3_full (TERMO_TYPE_KEYSYM, TERMO_SYM_LEFT,
- TERMO_KEYMOD_CTRL, TERMO_KEYMOD_CTRL, 'd');
-
- csi_handlers['^' - 0x40] = &handle_csi_caret;
+ csi_handlers['^' - 0x40] = &handle_csi_rxvt;
+ csi_handlers['$' - 0x40] = &handle_csi_rxvt;
+ csi_handlers['@' - 0x40] = &handle_csi_rxvt;
keyinfo_initialised = 1;
return 1;