diff options
Diffstat (limited to 'src/keyboard.c')
| -rw-r--r-- | src/keyboard.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/keyboard.c b/src/keyboard.c index ca40c6e7ad0..87a68511052 100644 --- a/src/keyboard.c +++ b/src/keyboard.c @@ -5417,6 +5417,36 @@ make_lispy_event (struct input_event *event) { c &= 0377; eassert (c == event->code); + } + + /* Caps-lock shouldn't affect interpretation of key chords: + Control+s should produce C-s whether caps-lock is on or + not. And Control+Shift+s should produce C-S-s whether + caps-lock is on or not. */ + if (event->modifiers & ~shift_modifier) + { + /* this is a key chord: some non-shift modifier is + depressed */ + + if (uppercasep (c) && + !(event->modifiers & shift_modifier)) + { + /* Got a capital letter without a shift. The caps + lock is on. Un-capitalize the letter */ + c = downcase(c); + } + else if (lowercasep (c) && + (event->modifiers & shift_modifier)) + { + /* Got a lower-case letter even though shift is + depressed. The caps lock is on. Capitalize the + letter */ + c = upcase(c); + } + } + + if (event->kind == ASCII_KEYSTROKE_EVENT) + { /* Turn ASCII characters into control characters when proper. */ if (event->modifiers & ctrl_modifier) |