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input: Ignore invalid "<" key sequences

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Ignoring invalid key sequences simplifies input handling in UIs. The only
downside is having to use "<lt>" everytime a "<" is needed on functional tests.
This commit is contained in:
Thiago de Arruda 2014-12-14 09:20:07 -03:00
parent 17b211d288
commit 3e83e44792
2 changed files with 13 additions and 7 deletions
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10
src/nvim/os/input.c
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@ -187,14 +187,20 @@ size_t input_enqueue(String keys)
unsigned int new_size = trans_special((uint8_t **)&ptr, buf, false);
if (!new_size) {
if (*ptr == '<') {
// Invalid key sequence, skip until the next '>' or until *end
do {
ptr++;
} while (ptr < end && *ptr != '>');
ptr++;
continue;
}
// copy the character unmodified
*buf = (uint8_t)*ptr++;
new_size = 1;
}
new_size = handle_mouse_event(&ptr, buf, new_size);
// TODO(tarruda): Don't produce past unclosed '<' characters, except if
// there's a lot of characters after the '<'
rbuffer_write(input_buffer, (char *)buf, new_size);
}

10
test/functional/legacy/066_visual_block_tab_spec.lua
View File

@ -23,18 +23,18 @@ describe('visual block shift and tab characters', function()
abcdefghijklmnopqrstuvwxyz]])
feed('gg')
feed([[fe<C-v>4jR<esc>ugvr1:'<,'>yank A<cr>]])
feed([[fe<C-v>4jR<esc>ugvr1:'<lt>,'>yank A<cr>]])
execute('/^abcdefgh')
feed('<C-v>4jI <esc>j<<11|D')
feed('<C-v>4jI <esc>j<lt><lt>11|D')
feed('j7|a <esc>')
feed('j7|a <esc>')
feed('j7|a <esc>4k13|<C-v>4j<')
feed('j7|a <esc>4k13|<C-v>4j<lt>')
execute('$-5,$yank A')
execute([[$-4,$s/\s\+//g]])
feed('<C-v>4kI <esc>j<<')
feed('<C-v>4kI <esc>j<lt><lt>')
feed('j7|a <esc>')
feed('j7|a <esc>')
feed('j7|a <esc>4k13|<C-v>4j3<')
feed('j7|a <esc>4k13|<C-v>4j3<lt>')
execute('$-4,$yank A')
-- Put @a and clean empty lines