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Enable console ANSI colour handling for Windows

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This commit is contained in:
David Kinder 2020-07-05 09:32:50 +01:00
parent 89aba30e4f
commit 51cd3a3a27
1 changed files with 25 additions and 5 deletions
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30
foundation-module/Chapter 1/Windows Platform.w
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@ -179,7 +179,27 @@ output of ANSI-standard coloured terminal output, then this function has the
chance to do it.
=
int Win32_ConsModeChanged = 0;
DWORD Win32_ConsMode = 0;
void Platform::Win32_ResetConsoleMode(void) {
if (Win32_ConsModeChanged) {
HANDLE cons = GetStdHandle(STD_ERROR_HANDLE);
if (cons) SetConsoleMode(cons, Win32_ConsMode);
}
}
void Platform::enable_coloured_terminal_output(void) {
HANDLE cons = GetStdHandle(STD_ERROR_HANDLE);
if (cons) {
if (GetConsoleMode(cons, &Win32_ConsMode)) {
if ((Win32_ConsMode & ENABLE_VIRTUAL_TERMINAL_PROCESSING) == 0) {
SetConsoleMode(cons, Win32_ConsMode | ENABLE_VIRTUAL_TERMINAL_PROCESSING);
Win32_ConsModeChanged = 1;
atexit(Platform::Win32_ResetConsoleMode);
}
}
}
}
@h Concurrency.
@ -256,11 +276,11 @@ off_t Platform::size(char *transcoded_filename) {
@d LOCK_MUTEX(name) {
BOOL pending;
InitOnceBeginInitialize(&(name.init), 0, &pending, 0);
if (pending) {
InitializeCriticalSection(&(name.crit));
InitOnceComplete(&(name.init), 0, 0);
}
EnterCriticalSection(&(name.crit));
if (pending) {
InitializeCriticalSection(&(name.crit));
InitOnceComplete(&(name.init), 0, 0);
}
EnterCriticalSection(&(name.crit));
}
@d UNLOCK_MUTEX(name) {
LeaveCriticalSection(&(name.crit));