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

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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
2 changed files with 212 additions and 0 deletions
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4
kitty/keys.py
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@@ -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)