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add more ctrl key sequencs for legacy ascii

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This commit is contained in:
Mitchell Hashimoto
2023-08-12 11:03:02 -07:00
parent 32993ff3e6
commit 387c62d226
1 changed files with 16 additions and 2 deletions
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18
src/Surface.zig
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@ -1092,11 +1092,25 @@ pub fn keyCallback(
const ctrl_only: u8 = @bitCast(input.Mods{ .ctrl = true }); const ctrl_only: u8 = @bitCast(input.Mods{ .ctrl = true });
// If we're only pressing control, check if this is a character // If we're only pressing control, check if this is a character
// we convert to a non-printable. // we convert to a non-printable. The best table I've found for
// this is:
// https://sw.kovidgoyal.net/kitty/keyboard-protocol/#legacy-ctrl-mapping-of-ascii-keys
if (mods_int == ctrl_only) { if (mods_int == ctrl_only) {
const val: u8 = switch (key) { const val: u8 = switch (key) {
.left_bracket => 0x1B, .space => 0,
.slash => 0x1F,
.zero => 0x30,
.one => 0x31,
.two => 0x00,
.three => 0x1B,
.four => 0x1C,
.five => 0x1D,
.six => 0x1E,
.seven => 0x1F,
.eight => 0x7F,
.nine => 0x39,
.backslash => 0x1C, .backslash => 0x1C,
.left_bracket => 0x1B,
.right_bracket => 0x1D, .right_bracket => 0x1D,
.backspace => 0x08, .backspace => 0x08,
.a => 0x01, .a => 0x01,