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Output CLI error/info messages to the console on Windows

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Fixes #1554
This commit is contained in:
Cameron Gutman 2025-04-04 22:23:17 -05:00
parent 48bcd725c9
commit c93f7e7385
2 changed files with 20 additions and 26 deletions
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7
app/cli/commandlineparser.cpp
View File

@ -59,13 +59,6 @@ public:
void showMessage(QString message, MessageType type) const
{
#if defined(Q_OS_WIN32)
UINT flags = MB_OK | MB_TOPMOST | MB_SETFOREGROUND;
flags |= (type == Info ? MB_ICONINFORMATION : MB_ICONERROR);
QString title = "Moonlight";
MessageBoxW(nullptr, reinterpret_cast<const wchar_t *>(message.utf16()),
reinterpret_cast<const wchar_t *>(title.utf16()), flags);
#endif
message = message.endsWith('\n') ? message : message + '\n';
fputs(qPrintable(message), type == Info ? stdout : stderr);
}

39
app/main.cpp
View File

@ -588,31 +588,32 @@ int main(int argc, char *argv[])
}
#endif
#ifdef Q_OS_WIN32
// If we don't have stdout or stderr handles (which will normally be the case
// since we're a /SUBSYSTEM:WINDOWS app), attach to our parent console and use
// that for stdout and stderr.
//
// If we do have stdout or stderr handles, that means the user has used standard
// handle redirection. In that case, we don't want to override those handles.
if (AttachConsole(ATTACH_PARENT_PROCESS)) {
// If we didn't have an old stdout/stderr handle, use the new CONOUT$ handle
if (IS_UNSPECIFIED_HANDLE(oldConOut)) {
freopen("CONOUT$", "w", stdout);
setvbuf(stdout, NULL, _IONBF, 0);
}
if (IS_UNSPECIFIED_HANDLE(oldConErr)) {
freopen("CONOUT$", "w", stderr);
setvbuf(stderr, NULL, _IONBF, 0);
}
}
#endif
GlobalCommandLineParser parser;
GlobalCommandLineParser::ParseResult commandLineParserResult = parser.parse(app.arguments());
switch (commandLineParserResult) {
case GlobalCommandLineParser::ListRequested:
// Don't log to the console since it will jumble the command output
s_SuppressVerboseOutput = true;
#ifdef Q_OS_WIN32
// If we don't have stdout or stderr handles (which will normally be the case
// since we're a /SUBSYSTEM:WINDOWS app), attach to our parent console and use
// that for stdout and stderr.
//
// If we do have stdout or stderr handles, that means the user has used standard
// handle redirection. In that case, we don't want to override those handles.
if (AttachConsole(ATTACH_PARENT_PROCESS)) {
// If we didn't have an old stdout/stderr handle, use the new CONOUT$ handle
if (IS_UNSPECIFIED_HANDLE(oldConOut)) {
freopen("CONOUT$", "w", stdout);
setvbuf(stdout, NULL, _IONBF, 0);
}
if (IS_UNSPECIFIED_HANDLE(oldConErr)) {
freopen("CONOUT$", "w", stderr);
setvbuf(stderr, NULL, _IONBF, 0);
}
}
#endif
break;
default:
break;