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Support arrow keys in application mode. (#627)

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Depending on the Cursor Key Mode (DECCKM), the terminal sends different
escape sequences:

Key     Normal    Application
-----   --------  -----------
Up      ESC [ A   ESC O A
Down    ESC [ B   ESC O B
Right   ESC [ C   ESC O C
Left    ESC [ D   ESC O D
Home    ESC [ H   ESC O H
End     ESC [ F   ESC O F

I decided not to update the current mode to fit what FTXUI parse, but
instead support parsing both. We convert the sequences from the
"application mode" into the "normal mode".

Bug:https://github.com/ArthurSonzogni/FTXUI/issues/626
Fixed:https://github.com/ArthurSonzogni/FTXUI/issues/626
This commit is contained in:
Arthur Sonzogni
2023-04-25 08:52:16 +02:00
committed by GitHub
parent a602013179
commit 6215240b37
2 changed files with 55 additions and 8 deletions
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23
src/ftxui/component/terminal_input_parser.cpp
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@@ -19,8 +19,31 @@ const std::map<std::string, std::string> g_uniformize = {
// See https://github.com/ArthurSonzogni/FTXUI/issues/337
// Here, we uniformize the new line character to `\n`.
{"\r", "\n"},
// See: https://github.com/ArthurSonzogni/FTXUI/issues/508
{std::string({8}), std::string({127})},
// See: https://github.com/ArthurSonzogni/FTXUI/issues/626
//
// Depending on the Cursor Key Mode (DECCKM), the terminal sends different
// escape sequences:
//
// Key Normal Application
// ----- -------- -----------
// Up ESC [ A ESC O A
// Down ESC [ B ESC O B
// Right ESC [ C ESC O C
// Left ESC [ D ESC O D
// Home ESC [ H ESC O H
// End ESC [ F ESC O F
//
{"\x1BOA", "\x1B[A"}, // UP
{"\x1BOB", "\x1B[B"}, // DOWN
{"\x1BOC", "\x1B[C"}, // RIGHT
{"\x1BOD", "\x1B[D"}, // LEFT
{"\x1BOH", "\x1B[H"}, // HOME
{"\x1BOF", "\x1B[F"}, // END
};
TerminalInputParser::TerminalInputParser(Sender<Task> out)