Treat Ctrl+Alt+letter as Esc,Ctrl+letter

Follows the behavior of some other terminals and is better than
generating nothing, since apparently there are some terminal programs
that use these keys. Fixes #345
This commit is contained in:
Kovid Goyal 2018-02-27 08:46:09 +05:30
parent 1fe936dbbc
commit 740a89b77f
No known key found for this signature in database
GPG Key ID: 06BC317B515ACE7C
2 changed files with 212 additions and 0 deletions

208
kitty/keys.h generated
View File

@ -1126,6 +1126,58 @@ key_lookup(uint8_t key, KeyboardMode mode, uint8_t mods, uint8_t action) {
} // end switch(key)
case 0x6:
switch(key & 0x7f) { default: return NULL;
case 18: // A
return "\x02\x1b\x01";
case 19: // B
return "\x02\x1b\x02";
case 20: // C
return "\x02\x1b\x03";
case 21: // D
return "\x02\x1b\x04";
case 22: // E
return "\x02\x1b\x05";
case 23: // F
return "\x02\x1b\x06";
case 24: // G
return "\x02\x1b\x07";
case 25: // H
return "\x02\x1b\x08";
case 26: // I
return "\x02\x1b\x09";
case 27: // J
return "\x02\x1b\x0a";
case 28: // K
return "\x02\x1b\x0b";
case 29: // L
return "\x02\x1b\x0c";
case 30: // M
return "\x02\x1b\x0d";
case 31: // N
return "\x02\x1b\x0e";
case 32: // O
return "\x02\x1b\x0f";
case 33: // P
return "\x02\x1b\x10";
case 34: // Q
return "\x02\x1b\x11";
case 35: // R
return "\x02\x1b\x12";
case 36: // S
return "\x02\x1b\x13";
case 37: // T
return "\x02\x1b\x14";
case 38: // U
return "\x02\x1b\x15";
case 39: // V
return "\x02\x1b\x16";
case 40: // W
return "\x02\x1b\x17";
case 41: // X
return "\x02\x1b\x18";
case 42: // Y
return "\x02\x1b\x19";
case 43: // Z
return "\x02\x1b\x1a";
case 50: // ESCAPE
return "\x01\x1b";
case 51: // ENTER
@ -2332,6 +2384,58 @@ key_lookup(uint8_t key, KeyboardMode mode, uint8_t mods, uint8_t action) {
} // end switch(key)
case 0x6:
switch(key & 0x7f) { default: return NULL;
case 18: // A
return "\x02\x1b\x01";
case 19: // B
return "\x02\x1b\x02";
case 20: // C
return "\x02\x1b\x03";
case 21: // D
return "\x02\x1b\x04";
case 22: // E
return "\x02\x1b\x05";
case 23: // F
return "\x02\x1b\x06";
case 24: // G
return "\x02\x1b\x07";
case 25: // H
return "\x02\x1b\x08";
case 26: // I
return "\x02\x1b\x09";
case 27: // J
return "\x02\x1b\x0a";
case 28: // K
return "\x02\x1b\x0b";
case 29: // L
return "\x02\x1b\x0c";
case 30: // M
return "\x02\x1b\x0d";
case 31: // N
return "\x02\x1b\x0e";
case 32: // O
return "\x02\x1b\x0f";
case 33: // P
return "\x02\x1b\x10";
case 34: // Q
return "\x02\x1b\x11";
case 35: // R
return "\x02\x1b\x12";
case 36: // S
return "\x02\x1b\x13";
case 37: // T
return "\x02\x1b\x14";
case 38: // U
return "\x02\x1b\x15";
case 39: // V
return "\x02\x1b\x16";
case 40: // W
return "\x02\x1b\x17";
case 41: // X
return "\x02\x1b\x18";
case 42: // Y
return "\x02\x1b\x19";
case 43: // Z
return "\x02\x1b\x1a";
case 50: // ESCAPE
return "\x01\x1b";
case 51: // ENTER
@ -3546,6 +3650,58 @@ key_lookup(uint8_t key, KeyboardMode mode, uint8_t mods, uint8_t action) {
} // end switch(key)
case 0x6:
switch(key & 0x7f) { default: return NULL;
case 18: // A
return "\x02\x1b\x01";
case 19: // B
return "\x02\x1b\x02";
case 20: // C
return "\x02\x1b\x03";
case 21: // D
return "\x02\x1b\x04";
case 22: // E
return "\x02\x1b\x05";
case 23: // F
return "\x02\x1b\x06";
case 24: // G
return "\x02\x1b\x07";
case 25: // H
return "\x02\x1b\x08";
case 26: // I
return "\x02\x1b\x09";
case 27: // J
return "\x02\x1b\x0a";
case 28: // K
return "\x02\x1b\x0b";
case 29: // L
return "\x02\x1b\x0c";
case 30: // M
return "\x02\x1b\x0d";
case 31: // N
return "\x02\x1b\x0e";
case 32: // O
return "\x02\x1b\x0f";
case 33: // P
return "\x02\x1b\x10";
case 34: // Q
return "\x02\x1b\x11";
case 35: // R
return "\x02\x1b\x12";
case 36: // S
return "\x02\x1b\x13";
case 37: // T
return "\x02\x1b\x14";
case 38: // U
return "\x02\x1b\x15";
case 39: // V
return "\x02\x1b\x16";
case 40: // W
return "\x02\x1b\x17";
case 41: // X
return "\x02\x1b\x18";
case 42: // Y
return "\x02\x1b\x19";
case 43: // Z
return "\x02\x1b\x1a";
case 50: // ESCAPE
return "\x01\x1b";
case 51: // ENTER
@ -4752,6 +4908,58 @@ key_lookup(uint8_t key, KeyboardMode mode, uint8_t mods, uint8_t action) {
} // end switch(key)
case 0x6:
switch(key & 0x7f) { default: return NULL;
case 18: // A
return "\x02\x1b\x01";
case 19: // B
return "\x02\x1b\x02";
case 20: // C
return "\x02\x1b\x03";
case 21: // D
return "\x02\x1b\x04";
case 22: // E
return "\x02\x1b\x05";
case 23: // F
return "\x02\x1b\x06";
case 24: // G
return "\x02\x1b\x07";
case 25: // H
return "\x02\x1b\x08";
case 26: // I
return "\x02\x1b\x09";
case 27: // J
return "\x02\x1b\x0a";
case 28: // K
return "\x02\x1b\x0b";
case 29: // L
return "\x02\x1b\x0c";
case 30: // M
return "\x02\x1b\x0d";
case 31: // N
return "\x02\x1b\x0e";
case 32: // O
return "\x02\x1b\x0f";
case 33: // P
return "\x02\x1b\x10";
case 34: // Q
return "\x02\x1b\x11";
case 35: // R
return "\x02\x1b\x12";
case 36: // S
return "\x02\x1b\x13";
case 37: // T
return "\x02\x1b\x14";
case 38: // U
return "\x02\x1b\x15";
case 39: // V
return "\x02\x1b\x16";
case 40: // W
return "\x02\x1b\x17";
case 41: // X
return "\x02\x1b\x18";
case 42: // Y
return "\x02\x1b\x19";
case 43: // Z
return "\x02\x1b\x1a";
case 50: // ESCAPE
return "\x01\x1b";
case 51: // ENTER

View File

@ -36,6 +36,7 @@ shift_alt_codes = alt_codes.copy()
shift_alt_codes[defines.GLFW_KEY_TAB] = key_as_bytes('kcbt')
alt_mods = (defines.GLFW_MOD_ALT, defines.GLFW_MOD_SHIFT | defines.GLFW_MOD_ALT)
ctrl_shift_mod = defines.GLFW_MOD_SHIFT | defines.GLFW_MOD_CONTROL
ctrl_alt_mod = defines.GLFW_MOD_ALT | defines.GLFW_MOD_CONTROL
for kf, kn in {
defines.GLFW_KEY_UP: 'kcuu1',
@ -204,6 +205,7 @@ ASCII_C0_SHIFTED = {
'SLASH': b'\x7f',
}
CTRL_SHIFT_KEYS = {getattr(defines, 'GLFW_KEY_' + k): v for k, v in ASCII_C0_SHIFTED.items()}
CTRL_ALT_KEYS = {getattr(defines, 'GLFW_KEY_' + k) for k in string.ascii_uppercase}
def key_to_bytes(key, smkx, extended, mods, action):
@ -222,6 +224,8 @@ def key_to_bytes(key, smkx, extended, mods, action):
m = UN_SHIFTED_PRINTABLE if mods == defines.GLFW_MOD_ALT else SHIFTED_PRINTABLE
data.append(0o33)
data.extend(m[key])
elif mods == ctrl_alt_mod and key in CTRL_ALT_KEYS:
data.append(0x1b), data.extend(control_codes[key])
else:
key_map = cursor_key_mode_map[smkx]
x = key_map.get(key)