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Enable VT100 Sequences on Windows #2350

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Merged
merged 1 commit into from
Sep 25, 2019
Merged

Enable VT100 Sequences on Windows #2350

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15 changes: 15 additions & 0 deletions Sources/TSCBasic/TerminalController.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,9 @@
*/

import TSCLibc
#if os(Windows)
import MSVCRT
#endif

/// A class to have better control on tty output streams: standard output and standard error.
/// Allows operations like cursor movement and colored text output on tty.
Expand Down Expand Up @@ -84,6 +87,18 @@ public final class TerminalController {
} else {
width = 80
}

#if os(Windows)
// Enable VT100 interpretation
let hOut = GetStdHandle(STD_OUTPUT_HANDLE)
var dwMode: DWORD = 0

guard hOut != INVALID_HANDLE_VALUE else { return nil }
guard GetConsoleMode(hOut, &dwMode) else { return nil }

dwMode |= DWORD(ENABLE_VIRTUAL_TERMINAL_PROCESSING)
guard SetConsoleMode(hOut, dwMode) else { return nil }
#endif
self.stream = stream
}

Expand Down