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808cb6ab213a97b810571b5083314adee01e82e0
create/src/Main/MainGui.cpp

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/***************************************************************************
* Copyright (c) 2008 Jürgen Riegel <juergen.riegel@web.de> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Library General Public License (LGPL) *
* as published by the Free Software Foundation; either version 2 of *
* the License, or (at your option) any later version. *
* for detail see the LICENCE text file. *
* *
* FreeCAD is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with FreeCAD; if not, write to the Free Software *
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
* USA *
* *
***************************************************************************/
#include <FCConfig.h>
#if defined(_MSC_VER)
#include <windows.h>
#include <dbghelp.h>
#endif
#ifdef _PreComp_
#undef _PreComp_
#endif
#if HAVE_CONFIG_H
#include <config.h>
#endif // HAVE_CONFIG_H
#include <cstdio>
#include <map>
#include <stdexcept>
#include <QApplication>
#include <QLocale>
#include <QMessageBox>
// FreeCAD header
#include <App/Application.h>
#include <Base/ConsoleObserver.h>
#include <Base/Interpreter.h>
#include <Base/Parameter.h>
#include <Base/Exception.h>
#include <Gui/Application.h>
void PrintInitHelp();
const char sBanner[] =
"(C) 2001-2025 FreeCAD contributors\n"
"FreeCAD is free and open-source software licensed under the terms of LGPL2+ license.\n\n";
#if defined(_MSC_VER)
void InitMiniDumpWriter(const std::string&);
#endif
class Redirection
{
public:
Redirection(FILE* f)
: fi(Base::FileInfo::getTempFileName())
, file(f)
{
#ifdef WIN32
FILE* ptr = _wfreopen(fi.toStdWString().c_str(), L"w", file);
#else
FILE* ptr = freopen(fi.filePath().c_str(), "w", file);
#endif
if (!ptr) {
std::cerr << "Failed to reopen file" << std::endl;
}
}
~Redirection()
{
fclose(file);
fi.deleteFile();
}
private:
Base::FileInfo fi;
FILE* file;
};
static bool inGuiMode()
{
// if console option is set then run in cmd mode
if (App::Application::Config()["Console"] == "1") {
return false;
}
return App::Application::Config()["RunMode"] == "Gui"
|| App::Application::Config()["RunMode"] == "Internal";
}
static void displayInfo(const QString& msg, bool preformatted = true)
{
if (inGuiMode()) {
QString appName = QString::fromStdString(App::Application::Config()["ExeName"]);
QMessageBox msgBox;
msgBox.setIcon(QMessageBox::Information);
msgBox.setWindowTitle(appName);
msgBox.setDetailedText(msg);
msgBox.setText(preformatted ? QStringLiteral("<pre>%1</pre>").arg(msg) : msg);
msgBox.exec();
}
else {
std::cout << msg.toStdString();
}
}
static void displayCritical(const QString& msg, bool preformatted = true)
{
if (inGuiMode()) {
QString appName = QString::fromStdString(App::Application::Config()["ExeName"]);
QString title = QObject::tr("Initialization of %1 failed").arg(appName);
QString text = preformatted ? QStringLiteral("<pre>%1</pre>").arg(msg) : msg;
QMessageBox::critical(nullptr, title, text);
}
else {
std::cerr << msg.toStdString();
}
}
int main(int argc, char** argv)
{
#if defined(FC_OS_LINUX) || defined(FC_OS_BSD)
setlocale(LC_ALL, ""); // use native environment settings
setlocale(LC_NUMERIC, "C"); // except for numbers to not break XML import
// See https://github.com/FreeCAD/FreeCAD/issues/16724
// Make sure to setup the Qt locale system before setting LANG and LC_ALL to C.
// which is needed to use the system locale settings.
(void)QLocale::system();
// See https://forum.freecad.org/viewtopic.php?f=18&t=20600
// See Gui::Application::runApplication()
putenv("LC_NUMERIC=C");
putenv("PYTHONPATH=");
#elif defined(FC_OS_MACOSX)
(void)QLocale::system();
putenv("PYTHONPATH=");
#elif defined(__MINGW32__)
const char* mingw_prefix = getenv("MINGW_PREFIX");
const char* py_home = getenv("PYTHONHOME");
if (!py_home && mingw_prefix) {
_putenv_s("PYTHONHOME", mingw_prefix);
}
#else
_putenv("PYTHONPATH=");
// https://forum.freecad.org/viewtopic.php?f=4&t=18288
// https://forum.freecad.org/viewtopic.php?f=3&t=20515
const char* fc_py_home = getenv("FC_PYTHONHOME");
if (fc_py_home) {
_putenv_s("PYTHONHOME", fc_py_home);
}
else {
_putenv("PYTHONHOME=");
}
#endif
#if defined(FC_OS_WIN32)
// we need to force Coin not to use Freetype in order to find installed fonts on Windows
// see https://forum.freecad.org/viewtopic.php?p=485142#p485016
_putenv("COIN_FORCE_FREETYPE_OFF=1");
int argc_ = argc;
QVector<QByteArray> data;
QVector<char*> argv_;
// get the command line arguments as unicode string
{
QCoreApplication app(argc, argv);
QStringList args = app.arguments();
for (QStringList::iterator it = args.begin(); it != args.end(); ++it) {
data.push_back(it->toUtf8());
argv_.push_back(data.back().data());
}
argv_.push_back(0); // 0-terminated string
}
#endif
// Name and Version of the Application
App::Application::Config()["ExeName"] = "FreeCAD";
App::Application::Config()["ExeVendor"] = "FreeCAD";
App::Application::Config()["AppDataSkipVendor"] = "true";
App::Application::Config()["MaintainerUrl"] = "https://www.freecad.org/wiki/Main_Page";
// set the banner (for logging and console)
App::Application::Config()["CopyrightInfo"] = sBanner;
App::Application::Config()["AppIcon"] = "freecad";
App::Application::Config()["SplashScreen"] = "freecadsplash";
App::Application::Config()["AboutImage"] = "freecadabout";
App::Application::Config()["StartWorkbench"] = "PartDesignWorkbench";
// App::Application::Config()["HiddenDockWindow"] = "Property editor";
App::Application::Config()["SplashAlignment"] = "Bottom|Left";
App::Application::Config()["SplashTextColor"] = "#418FDE";
App::Application::Config()["SplashWarningColor"] = "#CA333B";
App::Application::Config()["SplashInfoColor"] = "#000000";
App::Application::Config()["SplashInfoPosition"] = "6,75";
App::Application::Config()["DesktopFileName"] = "org.freecad.FreeCAD";
try {
// Init phase ===========================================================
// sets the default run mode for FC, starts with gui if not overridden in InitConfig...
App::Application::Config()["RunMode"] = "Gui";
App::Application::Config()["Console"] = "0";
App::Application::Config()["LoggingConsole"] = "1";
// Inits the Application
#if defined(FC_OS_WIN32)
App::Application::init(argc_, argv_.data());
#else
App::Application::init(argc, argv);
#endif
// to set window icon on wayland, the desktop file has to be available to the compositor
QGuiApplication::setDesktopFileName(
QString::fromStdString(App::Application::Config()["DesktopFileName"]));
#if defined(_MSC_VER)
// create a dump file when the application crashes
std::string dmpfile = App::Application::getUserAppDataDir();
dmpfile += "crash.dmp";
InitMiniDumpWriter(dmpfile);
#endif
std::map<std::string, std::string>::iterator it =
App::Application::Config().find("NavigationStyle");
if (it != App::Application::Config().end()) {
ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath(
"User parameter:BaseApp/Preferences/View");
// if not already defined do it now (for the very first start)
std::string style = hGrp->GetASCII("NavigationStyle", it->second.c_str());
hGrp->SetASCII("NavigationStyle", style.c_str());
}
Gui::Application::initApplication();
// Only if 'RunMode' is set to 'Gui' do the replacement
if (App::Application::Config()["RunMode"] == "Gui") {
Base::Interpreter().replaceStdOutput();
}
}
catch (const Base::UnknownProgramOption& e) {
QApplication app(argc, argv);
QString msg = QString::fromLatin1(e.what());
displayCritical(msg);
exit(1);
}
catch (const Base::ProgramInformation& e) {
QApplication app(argc, argv);
QString msg = QString::fromUtf8(e.what());
if (msg == QLatin1String(App::Application::verboseVersionEmitMessage)) {
QString data;
QTextStream str(&data);
const std::map<std::string, std::string> config = App::Application::Config();
App::Application::getVerboseCommonInfo(str, config);
Gui::Application::getVerboseDPIStyleInfo(str);
App::Application::getVerboseAddOnsInfo(str, config);
msg = data;
}
displayInfo(msg);
exit(0);
}
catch (const Base::Exception& e) {
// Popup an own dialog box instead of that one of Windows
QApplication app(argc, argv);
QString appName = QString::fromStdString(App::Application::Config()["ExeName"]);
QString msg;
msg = QObject::tr("While initializing %1 the following exception occurred: '%2'\n\n"
"Python is searching for its files in the following directories:\n%3\n\n"
"Python version information:\n%4\n")
.arg(appName,
QString::fromUtf8(e.what()),
QString::fromStdString(Base::Interpreter().getPythonPath()),
QString::fromLatin1(Py_GetVersion()));
const char* pythonhome = getenv("PYTHONHOME");
if (pythonhome) {
msg += QObject::tr("\nThe environment variable PYTHONHOME is set to '%1'.")
.arg(QString::fromUtf8(pythonhome));
msg += QObject::tr("\nSetting this environment variable might cause Python to fail. "
"Please contact your administrator to unset it on your system.\n\n");
}
else {
msg += QObject::tr(
"\nPlease contact the application's support team for more information.\n\n");
}
displayCritical(msg, false);
exit(100);
}
catch (...) {
// Popup an own dialog box instead of that one of Windows
QApplication app(argc, argv);
QString appName = QString::fromStdString(App::Application::Config()["ExeName"]);
QString msg =
QObject::tr("Unknown runtime error occurred while initializing %1.\n\n"
"Please contact the application's support team for more information.\n\n")
.arg(appName);
displayCritical(msg, false);
exit(101);
}
// Run phase ===========================================================
Base::RedirectStdOutput stdcout;
Base::RedirectStdLog stdclog;
Base::RedirectStdError stdcerr;
std::streambuf* oldcout = std::cout.rdbuf(&stdcout);
std::streambuf* oldclog = std::clog.rdbuf(&stdclog);
std::streambuf* oldcerr = std::cerr.rdbuf(&stdcerr);
try {
if (inGuiMode()) {
Gui::Application::runApplication();
}
else {
App::Application::runApplication();
}
}
catch (const Base::SystemExitException& e) {
exit(e.getExitCode());
}
catch (const Base::Exception& e) {
e.reportException();
exit(1);
}
catch (const std::exception& e) {
Base::Console().error("Application unexpectedly terminated: %s\n", e.what());
exit(1);
}
catch (...) {
Base::Console().error("Application unexpectedly terminated\n");
exit(1);
}
std::cout.rdbuf(oldcout);
std::clog.rdbuf(oldclog);
std::cerr.rdbuf(oldcerr);
// Destruction phase ===========================================================
Base::Console().log("%s terminating...\n", App::Application::Config()["ExeName"].c_str());
// cleans up
App::Application::destruct();
Base::Console().log("%s completely terminated\n",
App::Application::Config()["ExeName"].c_str());
return 0;
}
#if defined(_MSC_VER)
typedef BOOL(__stdcall* tMDWD)(IN HANDLE hProcess,
IN DWORD ProcessId,
IN HANDLE hFile,
IN MINIDUMP_TYPE DumpType,
IN CONST PMINIDUMP_EXCEPTION_INFORMATION ExceptionParam,
OPTIONAL IN CONST PMINIDUMP_USER_STREAM_INFORMATION UserStreamParam,
OPTIONAL IN CONST PMINIDUMP_CALLBACK_INFORMATION CallbackParam
OPTIONAL);
static tMDWD s_pMDWD;
static HMODULE s_hDbgHelpMod;
static MINIDUMP_TYPE s_dumpTyp = MiniDumpNormal;
static std::wstring s_szMiniDumpFileName; // initialize with whatever appropriate...
#include <Base/StackWalker.h>
class MyStackWalker: public StackWalker
{
DWORD threadId;
public:
MyStackWalker()
: StackWalker()
, threadId(GetCurrentThreadId())
{
std::string name = App::Application::Config()["UserAppData"] + "crash.log";
Base::Console().attachObserver(new Base::ConsoleObserverFile(name.c_str()));
}
MyStackWalker(DWORD dwProcessId, HANDLE hProcess)
: StackWalker(dwProcessId, hProcess)
{}
virtual void OnOutput(LPCSTR szText)
{
Base::Console().log("Id: %ld: %s", threadId, szText);
// StackWalker::OnOutput(szText);
}
};
static LONG __stdcall MyCrashHandlerExceptionFilter(EXCEPTION_POINTERS* pEx)
{
#ifdef _M_IX86
if (pEx->ExceptionRecord->ExceptionCode == EXCEPTION_STACK_OVERFLOW) {
// be sure that we have enough space...
static char MyStack[1024 * 128];
// it assumes that DS and SS are the same!!! (this is the case for Win32)
// change the stack only if the selectors are the same (this is the case for Win32)
//__asm push offset MyStack[1024*128];
//__asm pop esp;
__asm mov eax, offset MyStack[1024 * 128];
__asm mov esp, eax;
}
#endif
MyStackWalker sw;
sw.ShowCallstack(GetCurrentThread(), pEx->ContextRecord);
Base::Console().log("*** Unhandled Exception!\n");
Base::Console().log(" ExpCode: 0x%8.8X\n", pEx->ExceptionRecord->ExceptionCode);
Base::Console().log(" ExpFlags: %d\n", pEx->ExceptionRecord->ExceptionFlags);
Base::Console().log(" ExpAddress: 0x%8.8X\n", pEx->ExceptionRecord->ExceptionAddress);
bool bFailed = true;
HANDLE hFile;
hFile = CreateFileW(s_szMiniDumpFileName.c_str(),
GENERIC_WRITE,
0,
NULL,
CREATE_ALWAYS,
FILE_ATTRIBUTE_NORMAL,
NULL);
if (hFile != INVALID_HANDLE_VALUE) {
MINIDUMP_EXCEPTION_INFORMATION stMDEI;
stMDEI.ThreadId = GetCurrentThreadId();
stMDEI.ExceptionPointers = pEx;
stMDEI.ClientPointers = true;
// try to create a miniDump:
if (s_pMDWD(GetCurrentProcess(),
GetCurrentProcessId(),
hFile,
s_dumpTyp,
&stMDEI,
NULL,
NULL)) {
bFailed = false; // succeeded
}
CloseHandle(hFile);
}
if (bFailed) {
return EXCEPTION_CONTINUE_SEARCH;
}
// Optional display an error message
// FatalAppExit(-1, ("Application failed!"));
// or return one of the following:
// - EXCEPTION_CONTINUE_SEARCH
// - EXCEPTION_CONTINUE_EXECUTION
// - EXCEPTION_EXECUTE_HANDLER
return EXCEPTION_CONTINUE_SEARCH; // this will trigger the "normal" OS error-dialog
}
void InitMiniDumpWriter(const std::string& filename)
{
if (s_hDbgHelpMod != NULL) {
return;
}
Base::FileInfo fi(filename);
s_szMiniDumpFileName = fi.toStdWString();
// Initialize the member, so we do not load the dll after the exception has occurred
// which might be not possible anymore...
s_hDbgHelpMod = LoadLibraryA(("dbghelp.dll"));
if (s_hDbgHelpMod != NULL) {
s_pMDWD = (tMDWD)GetProcAddress(s_hDbgHelpMod, "MiniDumpWriteDump");
}
// Register Unhandled Exception-Filter:
SetUnhandledExceptionFilter(MyCrashHandlerExceptionFilter);
// Additional call "PreventSetUnhandledExceptionFilter"...
// See also: "SetUnhandledExceptionFilter" and VC8 (and later)
// http://blog.kalmbachnet.de/?postid=75
}
#endif
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