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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <QAtomicInt>
#include <QByteArray>
#include <QCoreApplication>
#include "console.h"
#include "utilities.h"
#if defined(Q_OS_WIN)
# include <windows.h>
# include <io.h>
# include <QOperatingSystemVersion>
# include <QThread>
Q_CORE_EXPORT void qWinMsgHandler(QtMsgType t, const char* str);
#else
# include <unistd.h>
# include <sys/ioctl.h>
# include <termios.h>
# include <signal.h>
# if defined(Q_OS_MACOS)
# include <libproc.h>
# endif
# include "unixsignalhandler.h"
#endif
using namespace Qt::StringLiterals;
struct ConsoleGlobal
{
bool stdoutSupportsAnsiColor = false;
bool stderrSupportsAnsiColor = false;
bool stdoutIsConsoleWindow = false;
bool stderrIsConsoleWindow = false;
bool isRunningInQtCreator = false;
QAtomicInt consoleWidthCached = 0;
ConsoleGlobal();
};
Q_GLOBAL_STATIC(ConsoleGlobal, cg)
QT_USE_NAMESPACE_AM
ConsoleGlobal::ConsoleGlobal()
{
enum { ColorAuto, ColorOff, ColorOn } forceColor = ColorAuto;
const QByteArray forceColorOutput = qgetenv("AM_FORCE_COLOR_OUTPUT");
if (forceColorOutput == "off" || forceColorOutput == "0")
forceColor = ColorOff;
else if (forceColorOutput == "on" || forceColorOutput == "1")
forceColor = ColorOn;
#if defined(Q_OS_UNIX)
if (::isatty(STDOUT_FILENO)) {
stdoutIsConsoleWindow = true;
stdoutSupportsAnsiColor = true;
}
if (::isatty(STDERR_FILENO)) {
stderrIsConsoleWindow = true;
stderrSupportsAnsiColor = true;
}
#elif defined(Q_OS_WIN)
if (HANDLE h = GetStdHandle(STD_OUTPUT_HANDLE); (h != INVALID_HANDLE_VALUE)) {
// enable ANSI mode on Windows 10
DWORD mode = 0;
if (GetConsoleMode(h, &mode)) {
mode |= 0x04;
if (SetConsoleMode(h, mode)) {
stdoutSupportsAnsiColor = true;
stdoutIsConsoleWindow = true;
}
}
}
if (HANDLE h = GetStdHandle(STD_ERROR_HANDLE); (h != INVALID_HANDLE_VALUE)) {
// enable ANSI mode on Windows 10
DWORD mode = 0;
if (GetConsoleMode(h, &mode)) {
mode |= 0x04;
if (SetConsoleMode(h, mode)) {
stdoutSupportsAnsiColor = true;
stderrIsConsoleWindow = true;
}
}
}
#endif
qint64 pid = QCoreApplication::applicationPid();
for (int level = 0; level < 5; ++level) { // only check 5 levels deep
pid = getParentPid(pid);
if (pid <= 1)
break;
#if defined(Q_OS_LINUX)
QFileInfo fi(u"/proc/%1/exe"_s.arg(pid));
if (fi.symLinkTarget().contains(u"qtcreator")) {
isRunningInQtCreator = true;
break;
}
#elif defined(Q_OS_MACOS)
static char buffer[PROC_PIDPATHINFO_MAXSIZE + 1];
int len = proc_pidpath(pid, buffer, sizeof(buffer) - 1);
if ((len > 0) && QByteArray::fromRawData(buffer, len).contains("Qt Creator")) {
isRunningInQtCreator = true;
break;
}
#elif defined(Q_OS_WIN)
HANDLE hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, false, pid);
if (hProcess) {
wchar_t exeName[1024] = { 0 };
DWORD exeNameSize = sizeof(exeName) - 1;
if (QueryFullProcessImageNameW(hProcess, 0, exeName, &exeNameSize)) {
if (QString::fromWCharArray(exeName, exeNameSize).contains(u"qtcreator"_s)) {
isRunningInQtCreator = true;
break;
}
}
}
#endif
}
if (forceColor != ColorAuto) {
stdoutSupportsAnsiColor = stderrSupportsAnsiColor = (forceColor == ColorOn);
} else {
if (!stdoutSupportsAnsiColor)
stdoutSupportsAnsiColor = isRunningInQtCreator;
if (!stderrSupportsAnsiColor)
stderrSupportsAnsiColor = isRunningInQtCreator;
}
#if defined(Q_OS_UNIX) && defined(SIGWINCH)
UnixSignalHandler::instance()->install(UnixSignalHandler::RawSignalHandler, SIGWINCH, [](int) {
// we are in a signal handler, so we just clear the cached value in the atomic int
cg()->consoleWidthCached = 0;
});
#elif defined(Q_OS_WIN)
class ConsoleThread : public QThread
{
public:
ConsoleThread(QObject *parent)
: QThread(parent)
{ }
~ConsoleThread()
{
terminate();
wait();
}
protected:
void run() override
{
HANDLE h = GetStdHandle(STD_INPUT_HANDLE);
DWORD mode = 0;
if (!GetConsoleMode(h, &mode))
return;
if (!SetConsoleMode(h, mode | ENABLE_WINDOW_INPUT))
return;
INPUT_RECORD ir;
DWORD irRead = 0;
while (ReadConsoleInputW(h, &ir, 1, &irRead)) {
if ((irRead == 1) && (ir.EventType == WINDOW_BUFFER_SIZE_EVENT))
cg()->consoleWidthCached = 0;
}
}
};
qAddPreRoutine([]() { (new ConsoleThread(QCoreApplication::instance()))->start(); });
#endif // Q_OS_WIN
}
QT_BEGIN_NAMESPACE_AM
bool Console::ensureInitialized()
{
return cg();
}
bool Console::stdoutSupportsAnsiColor()
{
return cg()->stdoutSupportsAnsiColor;
}
bool Console::stderrSupportsAnsiColor()
{
return cg()->stderrSupportsAnsiColor;
}
bool Console::isRunningInQtCreator()
{
return cg()->isRunningInQtCreator;
}
bool Console::stdoutIsConsoleWindow()
{
return cg()->stdoutIsConsoleWindow;
}
bool Console::stderrIsConsoleWindow()
{
return cg()->stderrIsConsoleWindow;
}
int Console::width()
{
int consoleWidthCalculated = cg()->consoleWidthCached;
if (consoleWidthCalculated <= 0) {
if (cg()->stderrIsConsoleWindow) {
#if defined(Q_OS_UNIX)
struct ::winsize ws;
if ((::ioctl(STDERR_FILENO, TIOCGWINSZ, &ws) == 0) && (ws.ws_col > 0))
consoleWidthCalculated = ws.ws_col;
#elif defined(Q_OS_WIN)
HANDLE h = GetStdHandle(STD_ERROR_HANDLE);
CONSOLE_SCREEN_BUFFER_INFO csbi;
if (GetConsoleScreenBufferInfo(h, &csbi))
consoleWidthCalculated = csbi.dwSize.X;
#endif
}
cg()->consoleWidthCached = consoleWidthCalculated;
}
if ((consoleWidthCalculated <= 0) && cg()->isRunningInQtCreator)
return 120;
else
return consoleWidthCalculated;
}
QT_END_NAMESPACE_AM
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