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windows: detect ANSI support in more terminals

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This commit is contained in:
Christofer Nolander 2023-04-14 16:07:51 +02:00 committed by Ryan Liptak
parent 729a051e9e
commit 59a12cd293
2 changed files with 9 additions and 0 deletions
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7
lib/std/fs/file.zig
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@ -230,6 +230,13 @@ pub const File = struct {
/// Test whether ANSI escape codes will be treated as such.
pub fn supportsAnsiEscapeCodes(self: File) bool {
if (builtin.os.tag == .windows) {
if (!os.isatty(self.handle)) return false;
var console_mode: os.windows.DWORD = 0;
if (os.windows.kernel32.GetConsoleMode(self.handle, &console_mode) != 0) {
if (console_mode & os.windows.ENABLE_VIRTUAL_TERMINAL_PROCESSING != 0) return true;
}
return os.isCygwinPty(self.handle);
}
if (builtin.os.tag == .wasi) {

2
lib/std/os/windows.zig
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@ -3387,6 +3387,8 @@ pub const CONSOLE_SCREEN_BUFFER_INFO = extern struct {
dwMaximumWindowSize: COORD,
};
pub const ENABLE_VIRTUAL_TERMINAL_PROCESSING = 0x4;
pub const FOREGROUND_BLUE = 1;
pub const FOREGROUND_GREEN = 2;
pub const FOREGROUND_RED = 4;