Files
lammps-gran-kokkos/tools/lammps-gui/lammpsgui.cpp

2162 lines
81 KiB
C++

/* ----------------------------------------------------------------------
LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
https://www.lammps.org/, Sandia National Laboratories
LAMMPS development team: developers@lammps.org
Copyright (2003) Sandia Corporation. Under the terms of Contract
DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains
certain rights in this software. This software is distributed under
the GNU General Public License.
See the README file in the top-level LAMMPS directory.
------------------------------------------------------------------------- */
#include "lammpsgui.h"
#include "chartviewer.h"
#include "fileviewer.h"
#include "findandreplace.h"
#include "helpers.h"
#include "highlighter.h"
#include "imageviewer.h"
#include "lammpsrunner.h"
#include "logwindow.h"
#include "preferences.h"
#include "setvariables.h"
#include "slideshow.h"
#include "stdcapture.h"
#include "ui_lammpsgui.h"
#include <QByteArray>
#include <QCheckBox>
#include <QClipboard>
#include <QCoreApplication>
#include <QDataStream>
#include <QDesktopServices>
#include <QEvent>
#include <QFileDialog>
#include <QFileInfo>
#include <QFont>
#include <QGridLayout>
#include <QGuiApplication>
#include <QLabel>
#include <QLineEdit>
#include <QMessageBox>
#include <QProcess>
#include <QProgressBar>
#include <QPushButton>
#include <QSettings>
#include <QShortcut>
#include <QStandardPaths>
#include <QStatusBar>
#include <QStringList>
#include <QTextStream>
#include <QTimer>
#include <QUrl>
#include <QWizard>
#include <QWizardPage>
#include <algorithm>
#include <cstdint>
#include <cstdlib>
#include <cstring>
#include <string>
#if defined(_OPENMP)
#include <omp.h>
#endif
static const QString blank(" ");
static constexpr int BUFLEN = 256;
LammpsGui::LammpsGui(QWidget *parent, const QString &filename) :
QMainWindow(parent), ui(new Ui::LammpsGui), highlighter(nullptr), capturer(nullptr),
status(nullptr), logwindow(nullptr), imagewindow(nullptr), chartwindow(nullptr),
slideshow(nullptr), logupdater(nullptr), dirstatus(nullptr), progress(nullptr),
prefdialog(nullptr), lammpsstatus(nullptr), varwindow(nullptr), wizard(nullptr),
runner(nullptr), is_running(false), run_counter(0)
{
docver = "";
ui->setupUi(this);
this->setCentralWidget(ui->textEdit);
highlighter = new Highlighter(ui->textEdit->document());
capturer = new StdCapture;
current_file.clear();
current_dir = QDir(".").absolutePath();
// use $HOME if we get dropped to "/" like on macOS or the installation folder like on Windows
if ((current_dir == "/") || (current_dir.path().contains("AppData")))
current_dir = QDir::homePath();
QDir::setCurrent(current_dir);
inspectList.clear();
setAutoFillBackground(true);
// restore and initialize settings
QSettings settings;
#if defined(LAMMPS_GUI_USE_PLUGIN)
plugin_path =
QFileInfo(settings.value("plugin_path", "liblammps.so").toString()).canonicalFilePath();
if (!lammps.load_lib(plugin_path.toStdString().c_str())) {
// fall back to defaults
for (const char *libfile :
{"./liblammps.so", "liblammps.dylib", "./liblammps.dylib", "liblammps.dll"}) {
if (lammps.load_lib(libfile)) {
plugin_path = QFileInfo(libfile).canonicalFilePath();
settings.setValue("plugin_path", plugin_path);
break;
} else {
plugin_path.clear();
}
}
}
if (plugin_path.isEmpty()) {
// none of the plugin paths could load, remove key
settings.remove("plugin_path");
QMessageBox::critical(this, "Error",
"Cannot open LAMMPS shared library file.\n"
"Use -p command line flag to specify a path to the library.");
exit(1);
}
#endif
// switch configured accelerator back to "none" if needed.
int accel = settings.value("accelerator", AcceleratorTab::None).toInt();
if (accel == AcceleratorTab::Opt) {
if (!lammps.config_has_package("OPT"))
settings.setValue("accelerator", AcceleratorTab::None);
} else if (accel == AcceleratorTab::OpenMP) {
if (!lammps.config_has_package("OPENMP"))
settings.setValue("accelerator", AcceleratorTab::None);
} else if (accel == AcceleratorTab::Intel) {
if (!lammps.config_has_package("INTEL"))
settings.setValue("accelerator", AcceleratorTab::None);
} else if (accel == AcceleratorTab::Gpu) {
if (!lammps.config_has_package("GPU") || !lammps.has_gpu_device())
settings.setValue("accelerator", AcceleratorTab::None);
} else if (accel == AcceleratorTab::Kokkos) {
if (!lammps.config_has_package("KOKKOS"))
settings.setValue("accelerator", AcceleratorTab::None);
}
// check and initialize nthreads setting. Default is to use max if there
// is no preference but do not override OMP_NUM_THREADS
#if defined(_OPENMP)
// use up to 16 available threads unless OMP_NUM_THREADS was set
int nthreads = settings.value("nthreads", std::min(omp_get_max_threads(), 16)).toInt();
if (!qEnvironmentVariableIsSet("OMP_NUM_THREADS")) {
qputenv("OMP_NUM_THREADS", std::to_string(nthreads).c_str());
}
#else
int nthreads = settings.value("nthreads", 1).toInt();
#endif
settings.setValue("nthreads", QString::number(nthreads));
lammps_args.clear();
lammps_args.push_back(mystrdup("LAMMPS-GUI"));
lammps_args.push_back(mystrdup("-log"));
lammps_args.push_back(mystrdup("none"));
installEventFilter(this);
setWindowIcon(QIcon(":/icons/lammps-icon-128x128.png"));
QFont all_font;
all_font.fromString(settings.value("allfont", QFont("Arial", -1).toString()).toString());
all_font.setStyleHint(QFont::SansSerif, QFont::PreferOutline);
settings.setValue("allfont", all_font.toString());
setFont(all_font);
QFont text_font;
text_font.fromString(settings.value("textfont", QFont("Monospace", -1).toString()).toString());
text_font.setStyleHint(QFont::Monospace, QFont::PreferOutline);
text_font.setFixedPitch(true);
settings.setValue("textfont", text_font.toString());
ui->textEdit->setFont(text_font);
ui->textEdit->document()->setDefaultFont(text_font);
ui->textEdit->setMinimumSize(600, 400);
varwindow = new QLabel(QString());
varwindow->setWindowTitle(QString("LAMMPS-GUI - Current Variables"));
varwindow->setWindowIcon(QIcon(":/icons/lammps-icon-128x128.png"));
varwindow->setMinimumSize(100, 50);
varwindow->setText("(none)");
varwindow->setFont(text_font);
varwindow->setFrameStyle(QFrame::Sunken);
varwindow->setFrameShape(QFrame::Panel);
varwindow->setAlignment(Qt::AlignVCenter);
varwindow->setContentsMargins(5, 5, 5, 5);
varwindow->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding);
varwindow->hide();
update_recents();
// check if we have OVITO and VMD installed and deactivate actions if not
ui->actionView_in_OVITO->setEnabled(has_exe("ovito"));
ui->actionView_in_OVITO->setData("ovito");
ui->actionView_in_VMD->setEnabled(has_exe("vmd"));
ui->actionView_in_VMD->setData("vmd");
connect(ui->actionNew, &QAction::triggered, this, &LammpsGui::new_document);
connect(ui->actionOpen, &QAction::triggered, this, &LammpsGui::open);
connect(ui->actionSave, &QAction::triggered, this, &LammpsGui::save);
connect(ui->actionSave_As, &QAction::triggered, this, &LammpsGui::save_as);
connect(ui->actionView, &QAction::triggered, this, &LammpsGui::view);
connect(ui->actionInspect, &QAction::triggered, this, &LammpsGui::inspect);
connect(ui->actionQuit, &QAction::triggered, this, &LammpsGui::quit);
connect(ui->actionCopy, &QAction::triggered, this, &LammpsGui::copy);
connect(ui->actionCut, &QAction::triggered, this, &LammpsGui::cut);
connect(ui->actionPaste, &QAction::triggered, this, &LammpsGui::paste);
connect(ui->actionUndo, &QAction::triggered, this, &LammpsGui::undo);
connect(ui->actionRedo, &QAction::triggered, this, &LammpsGui::redo);
connect(ui->actionSearchAndReplace, &QAction::triggered, this, &LammpsGui::findandreplace);
connect(ui->actionRun_Buffer, &QAction::triggered, this, &LammpsGui::run_buffer);
connect(ui->actionRun_File, &QAction::triggered, this, &LammpsGui::run_file);
connect(ui->actionStop_LAMMPS, &QAction::triggered, this, &LammpsGui::stop_run);
connect(ui->actionRestart_LAMMPS, &QAction::triggered, this, &LammpsGui::restart_lammps);
connect(ui->actionSet_Variables, &QAction::triggered, this, &LammpsGui::edit_variables);
connect(ui->actionImage, &QAction::triggered, this, &LammpsGui::render_image);
connect(ui->actionLAMMPS_Tutorial, &QAction::triggered, this, &LammpsGui::tutorial_web);
connect(ui->actionTutorial1, &QAction::triggered, this, &LammpsGui::start_tutorial1);
connect(ui->actionTutorial2, &QAction::triggered, this, &LammpsGui::start_tutorial2);
connect(ui->actionTutorial3, &QAction::triggered, this, &LammpsGui::start_tutorial3);
connect(ui->actionTutorial4, &QAction::triggered, this, &LammpsGui::start_tutorial4);
connect(ui->actionTutorial5, &QAction::triggered, this, &LammpsGui::start_tutorial5);
connect(ui->actionTutorial6, &QAction::triggered, this, &LammpsGui::start_tutorial6);
connect(ui->actionTutorial7, &QAction::triggered, this, &LammpsGui::start_tutorial7);
connect(ui->actionTutorial8, &QAction::triggered, this, &LammpsGui::start_tutorial8);
connect(ui->actionAbout_LAMMPS_GUI, &QAction::triggered, this, &LammpsGui::about);
connect(ui->action_Help, &QAction::triggered, this, &LammpsGui::help);
connect(ui->actionLAMMPS_GUI_Howto, &QAction::triggered, this, &LammpsGui::howto);
connect(ui->actionLAMMPS_Manual, &QAction::triggered, this, &LammpsGui::manual);
connect(ui->actionPreferences, &QAction::triggered, this, &LammpsGui::preferences);
connect(ui->actionDefaults, &QAction::triggered, this, &LammpsGui::defaults);
connect(ui->actionView_in_OVITO, &QAction::triggered, this, &LammpsGui::start_exe);
connect(ui->actionView_in_VMD, &QAction::triggered, this, &LammpsGui::start_exe);
connect(ui->actionView_Log_Window, &QAction::triggered, this, &LammpsGui::view_log);
connect(ui->actionView_Graph_Window, &QAction::triggered, this, &LammpsGui::view_chart);
connect(ui->actionView_Image_Window, &QAction::triggered, this, &LammpsGui::view_image);
connect(ui->actionView_Slide_Show, &QAction::triggered, this, &LammpsGui::view_slides);
connect(ui->actionView_Variable_Window, &QAction::triggered, this, &LammpsGui::view_variables);
connect(ui->action_1, &QAction::triggered, this, &LammpsGui::open_recent);
connect(ui->action_2, &QAction::triggered, this, &LammpsGui::open_recent);
connect(ui->action_3, &QAction::triggered, this, &LammpsGui::open_recent);
connect(ui->action_4, &QAction::triggered, this, &LammpsGui::open_recent);
connect(ui->action_5, &QAction::triggered, this, &LammpsGui::open_recent);
connect(ui->textEdit->document(), &QTextDocument::modificationChanged, this,
&LammpsGui::modified);
#if !QT_CONFIG(clipboard)
ui->actionCut->setEnabled(false);
ui->actionCopy->setEnabled(false);
ui->actionPaste->setEnabled(false);
#endif
lammpsstatus = new QLabel(QString());
auto pix = QPixmap(":/icons/lammps-icon-128x128.png");
lammpsstatus->setPixmap(pix.scaled(22, 22, Qt::KeepAspectRatio));
ui->statusbar->addWidget(lammpsstatus);
lammpsstatus->setToolTip("LAMMPS instance is active");
lammpsstatus->hide();
auto *lammpssave = new QPushButton(QIcon(":/icons/document-save.png"), "");
auto *lammpsrun = new QPushButton(QIcon(":/icons/system-run.png"), "");
auto *lammpsstop = new QPushButton(QIcon(":/icons/process-stop.png"), "");
auto *lammpsimage = new QPushButton(QIcon(":/icons/emblem-photos.png"), "");
lammpssave->setToolTip("Save edit buffer to file");
lammpsrun->setToolTip("Run LAMMPS on input");
lammpsstop->setToolTip("Stop LAMMPS");
lammpsimage->setToolTip("Create snapshot image");
ui->statusbar->addWidget(lammpssave);
ui->statusbar->addWidget(lammpsrun);
ui->statusbar->addWidget(lammpsstop);
ui->statusbar->addWidget(lammpsimage);
connect(lammpssave, &QPushButton::released, this, &LammpsGui::save);
connect(lammpsrun, &QPushButton::released, this, &LammpsGui::run_buffer);
connect(lammpsstop, &QPushButton::released, this, &LammpsGui::stop_run);
connect(lammpsimage, &QPushButton::released, this, &LammpsGui::render_image);
status = new QLabel("Ready.");
status->setFixedWidth(300);
ui->statusbar->addWidget(status);
dirstatus = new QLabel(QString(" Directory: ") + current_dir);
dirstatus->setMinimumWidth(400);
ui->statusbar->addWidget(dirstatus);
progress = new QProgressBar();
progress->setRange(0, 1000);
progress->setMinimumWidth(400);
progress->hide();
dirstatus->show();
ui->statusbar->addWidget(progress);
if (filename.size() > 0) {
open_file(filename);
} else {
setWindowTitle("LAMMPS-GUI - Editor - *unknown*");
}
resize(settings.value("mainx", "500").toInt(), settings.value("mainy", "320").toInt());
// start LAMMPS and initialize command completion
start_lammps();
QStringList style_list;
char buf[BUFLEN];
QFile internal_commands(":/lammps_internal_commands.txt");
if (internal_commands.open(QIODevice::ReadOnly | QIODevice::Text)) {
while (!internal_commands.atEnd()) {
style_list << QString(internal_commands.readLine()).trimmed();
}
}
internal_commands.close();
int ncmds = lammps.style_count("command");
for (int i = 0; i < ncmds; ++i) {
if (lammps.style_name("command", i, buf, BUFLEN)) {
// skip suffixed names
const QString style(buf);
if (style.endsWith("/kk/host") || style.endsWith("/kk/device") || style.endsWith("/kk"))
continue;
style_list << style;
}
}
style_list.sort();
ui->textEdit->setCommandList(style_list);
style_list.clear();
const char *varstyles[] = {"delete", "atomfile", "file", "format", "getenv", "index",
"internal", "loop", "python", "string", "timer", "uloop",
"universe", "world", "equal", "vector", "atom"};
for (const auto *const var : varstyles)
style_list << var;
style_list.sort();
ui->textEdit->setVariableList(style_list);
style_list.clear();
const char *unitstyles[] = {"lj", "real", "metal", "si", "cgs", "electron", "micro", "nano"};
for (const auto *const unit : unitstyles)
style_list << unit;
style_list.sort();
ui->textEdit->setUnitsList(style_list);
style_list.clear();
const char *extraargs[] = {"extra/atom/types", "extra/bond/types",
"extra/angle/types", "extra/dihedral/types",
"extra/improper/types", "extra/bond/per/atom",
"extra/angle/per/atom", "extra/dihedral/per/atom",
"extra/improper/per/atom", "extra/special/per/atom"};
for (const auto *const extra : extraargs)
style_list << extra;
ui->textEdit->setExtraList(style_list);
ui->textEdit->setFileList();
#define ADD_STYLES(keyword, Type) \
style_list.clear(); \
if ((std::string(#keyword) == "pair") || (std::string(#keyword) == "bond") || \
(std::string(#keyword) == "angle") || (std::string(#keyword) == "dihedral") || \
(std::string(#keyword) == "improper") || (std::string(#keyword) == "kspace")) \
style_list << QString("none"); \
ncmds = lammps.style_count(#keyword); \
for (int i = 0; i < ncmds; ++i) { \
if (lammps.style_name(#keyword, i, buf, BUFLEN)) { \
const QString style(buf); \
if (style.endsWith("/gpu") || style.endsWith("/intel") || style.endsWith("/kk") || \
style.endsWith("/kk/device") || style.endsWith("/kk/host") || \
style.endsWith("/omp") || style.endsWith("/opt")) \
continue; \
style_list << style; \
} \
} \
style_list.sort(); \
ui->textEdit->set##Type##List(style_list)
ADD_STYLES(fix, Fix);
ADD_STYLES(compute, Compute);
ADD_STYLES(dump, Dump);
ADD_STYLES(atom, Atom);
ADD_STYLES(pair, Pair);
ADD_STYLES(bond, Bond);
ADD_STYLES(angle, Angle);
ADD_STYLES(dihedral, Dihedral);
ADD_STYLES(improper, Improper);
ADD_STYLES(kspace, Kspace);
ADD_STYLES(region, Region);
ADD_STYLES(integrate, Integrate);
ADD_STYLES(minimize, Minimize);
#undef ADD_STYLES
settings.beginGroup("reformat");
ui->textEdit->setReformatOnReturn(settings.value("return", false).toBool());
ui->textEdit->setAutoComplete(settings.value("automatic", true).toBool());
settings.endGroup();
}
LammpsGui::~LammpsGui()
{
delete ui;
delete highlighter;
delete capturer;
delete status;
delete logwindow;
delete imagewindow;
delete chartwindow;
delete dirstatus;
delete varwindow;
delete slideshow;
}
void LammpsGui::new_document()
{
current_file.clear();
ui->textEdit->document()->setPlainText(QString());
if (lammps.is_running()) {
stop_run();
runner->wait();
}
lammps.close();
lammpsstatus->hide();
setWindowTitle("LAMMPS-GUI - Editor - *unknown*");
run_counter = 0;
}
void LammpsGui::open()
{
QString fileName = QFileDialog::getOpenFileName(this, "Open the file");
open_file(fileName);
}
void LammpsGui::view()
{
QString fileName = QFileDialog::getOpenFileName(this, "Open the file");
view_file(fileName);
}
void LammpsGui::inspect()
{
QString fileName = QFileDialog::getOpenFileName(this, "Open the restart file");
inspect_file(fileName);
}
void LammpsGui::open_recent()
{
auto *act = qobject_cast<QAction *>(sender());
if (act) open_file(act->data().toString());
}
void LammpsGui::get_directory()
{
if (wizard) {
auto *line = wizard->findChild<QLineEdit *>("t_directory");
if (line) {
auto curdir = line->text();
QFileDialog dialog(this, "Choose Directory for Tutorial Files", curdir);
dialog.setFileMode(QFileDialog::Directory);
dialog.setOption(QFileDialog::ShowDirsOnly, false);
dialog.exec();
line->setText(dialog.directory().path());
}
}
}
void LammpsGui::start_exe()
{
if (!lammps.extract_setting("box_exists")) return;
auto *act = qobject_cast<QAction *>(sender());
if (act) {
auto exe = act->data().toString();
QString datacmd = "write_data '";
QDir datadir(QDir::tempPath());
QFile datafile(datadir.absoluteFilePath(current_file + ".data"));
datacmd += datafile.fileName() + "'";
if (exe == "vmd") {
QStringList args;
QFile vmdfile(datadir.absoluteFilePath("tmp-loader.vmd"));
vmdfile.open(QIODevice::WriteOnly);
vmdfile.write("package require topotools\n");
vmdfile.write("topo readlammpsdata {");
vmdfile.write(datafile.fileName().toLocal8Bit());
vmdfile.write("}\ntopo guessatom lammps data\n");
vmdfile.write("animate write psf {");
vmdfile.write(datafile.fileName().toLocal8Bit());
vmdfile.write(".psf}\nanimate write dcd {");
vmdfile.write(datafile.fileName().toLocal8Bit());
vmdfile.write(".dcd}\nmol delete top\nmol new {");
vmdfile.write(datafile.fileName().toLocal8Bit());
vmdfile.write(".psf} type psf waitfor all\nmol addfile {");
vmdfile.write(datafile.fileName().toLocal8Bit());
vmdfile.write(".dcd} type dcd waitfor all\nfile delete {");
vmdfile.write(datafile.fileName().toLocal8Bit());
vmdfile.write("} {");
vmdfile.write(vmdfile.fileName().toLocal8Bit());
vmdfile.write("} {");
vmdfile.write(datafile.fileName().toLocal8Bit());
vmdfile.write(".dcd} {");
vmdfile.write(datafile.fileName().toLocal8Bit());
vmdfile.write(".psf}\n");
vmdfile.close();
args << "-e" << vmdfile.fileName();
lammps.command(datacmd);
auto *vmd = new QProcess(this);
vmd->start(exe, args);
}
if (exe == "ovito") {
QStringList args;
args << datafile.fileName();
lammps.command(datacmd);
auto *ovito = new QProcess(this);
ovito->start(exe, args);
}
}
}
void LammpsGui::update_recents(const QString &filename)
{
QSettings settings;
if (settings.contains("recent")) recent = settings.value("recent").value<QList<QString>>();
for (int i = 0; i < recent.size(); ++i) {
QFileInfo fi(recent[i]);
if (!fi.isReadable()) {
recent.removeAt(i);
i = 0;
}
}
if (!filename.isEmpty() && !recent.contains(filename)) recent.prepend(filename);
if (recent.size() > 5) recent.removeLast();
if (recent.size() > 0)
settings.setValue("recent", QVariant::fromValue(recent));
else
settings.remove("recent");
ui->action_1->setVisible(false);
if ((recent.size() > 0) && !recent[0].isEmpty()) {
QFileInfo fi(recent[0]);
ui->action_1->setText(QString("&1. ") + fi.fileName());
ui->action_1->setData(recent[0]);
ui->action_1->setVisible(true);
}
ui->action_2->setVisible(false);
if ((recent.size() > 1) && !recent[1].isEmpty()) {
QFileInfo fi(recent[1]);
ui->action_2->setText(QString("&2. ") + fi.fileName());
ui->action_2->setData(recent[1]);
ui->action_2->setVisible(true);
}
ui->action_3->setVisible(false);
if ((recent.size() > 2) && !recent[2].isEmpty()) {
QFileInfo fi(recent[2]);
ui->action_3->setText(QString("&3. ") + fi.fileName());
ui->action_3->setData(recent[2]);
ui->action_3->setVisible(true);
}
ui->action_4->setVisible(false);
if ((recent.size() > 3) && !recent[3].isEmpty()) {
QFileInfo fi(recent[3]);
ui->action_4->setText(QString("&4. ") + fi.fileName());
ui->action_4->setData(recent[3]);
ui->action_4->setVisible(true);
}
ui->action_5->setVisible(false);
if ((recent.size() > 4) && !recent[4].isEmpty()) {
QFileInfo fi(recent[4]);
ui->action_5->setText(QString("&5. ") + fi.fileName());
ui->action_5->setData(recent[4]);
ui->action_5->setVisible(true);
}
}
void LammpsGui::update_variables()
{
const auto doc = ui->textEdit->toPlainText().replace('\t', ' ').split('\n');
QStringList known;
QRegularExpression indexvar("^\\s*variable\\s+(\\w+)\\s+index\\s+(.*)");
QRegularExpression anyvar("^\\s*variable\\s+(\\w+)\\s+(\\w+)\\s+(.*)");
QRegularExpression usevar("(\\$(\\w)|\\${(\\w+)})");
QRegularExpression refvar("v_(\\w+)");
// forget previously listed variables
variables.clear();
for (const auto &line : doc) {
if (line.isEmpty()) continue;
// first find variable definitions.
// index variables are special since they can be overridden from the command line
auto index = indexvar.match(line);
auto any = anyvar.match(line);
if (index.hasMatch()) {
if (index.lastCapturedIndex() >= 2) {
auto name = index.captured(1);
if (!known.contains(name)) {
variables.append(qMakePair(name, index.captured(2)));
known.append(name);
}
}
} else if (any.hasMatch()) {
if (any.lastCapturedIndex() >= 3) {
auto name = any.captured(1);
if (!known.contains(name)) known.append(name);
}
}
// now split line into words and search for use of undefined variables
auto words = line.split(' ');
for (const auto &word : words) {
auto use = usevar.match(word);
auto ref = refvar.match(word);
if (use.hasMatch()) {
auto name = use.captured(use.lastCapturedIndex());
if (!known.contains(name)) {
known.append(name);
variables.append(qMakePair(name, QString()));
}
}
if (ref.hasMatch()) {
auto name = ref.captured(use.lastCapturedIndex());
if (!known.contains(name)) known.append(name);
}
}
}
}
// open file and switch CWD to path of file
void LammpsGui::open_file(const QString &fileName)
{
purge_inspect_list();
if (ui->textEdit->document()->isModified()) {
QMessageBox msg;
msg.setWindowTitle("Unsaved Changes");
msg.setWindowIcon(windowIcon());
msg.setText(QString("The buffer ") + current_file + " has changes");
msg.setInformativeText("Do you want to save the file before opening a new file?");
msg.setIcon(QMessageBox::Question);
msg.setStandardButtons(QMessageBox::Yes | QMessageBox::No | QMessageBox::Cancel);
msg.setFont(font());
int rv = msg.exec();
switch (rv) {
case QMessageBox::Yes:
save();
break;
case QMessageBox::Cancel:
return;
break;
case QMessageBox::No: // fallthrough
default:
// do nothing
break;
}
}
ui->textEdit->setHighlight(CodeEditor::NO_HIGHLIGHT, false);
QFileInfo path(fileName);
current_file = path.fileName();
current_dir = path.absolutePath();
QFile file(path.absoluteFilePath());
update_recents(path.absoluteFilePath());
QDir::setCurrent(current_dir);
if (!file.open(QIODevice::ReadOnly | QFile::Text)) {
QMessageBox::warning(this, "Warning",
"Cannot open file " + path.absoluteFilePath() + ": " +
file.errorString() +
".\nWill create new file on saving editor buffer.");
ui->textEdit->document()->setPlainText(QString());
} else {
QTextStream in(&file);
QString text = in.readAll();
ui->textEdit->document()->setPlainText(text);
ui->textEdit->moveCursor(QTextCursor::Start, QTextCursor::MoveAnchor);
file.close();
}
setWindowTitle(QString("LAMMPS-GUI - Editor - " + current_file));
run_counter = 0;
ui->textEdit->document()->setModified(false);
ui->textEdit->setGroupList();
ui->textEdit->setVarNameList();
ui->textEdit->setComputeIDList();
ui->textEdit->setFixIDList();
ui->textEdit->setFileList();
dirstatus->setText(QString(" Directory: ") + current_dir);
status->setText("Ready.");
if (slideshow) {
delete slideshow;
slideshow = nullptr;
}
if (imagewindow) {
delete imagewindow;
imagewindow = nullptr;
}
if (chartwindow) {
delete chartwindow;
chartwindow = nullptr;
}
if (logwindow) {
delete logwindow;
logwindow = nullptr;
}
update_variables();
lammps.close();
}
// open file in read-only mode for viewing in separate window
void LammpsGui::view_file(const QString &fileName)
{
QFile file(fileName);
if (!file.open(QIODevice::ReadOnly | QFile::Text)) {
QMessageBox::warning(this, "Warning",
"Cannot open file " + fileName + ": " + file.errorString() + ".\n");
} else {
file.close();
auto *viewer = new FileViewer(fileName);
viewer->show();
}
}
void LammpsGui::purge_inspect_list()
{
for (auto item : inspectList) {
if (item->info) {
if (!item->info->isVisible()) {
delete item->info;
item->info = nullptr;
}
}
if (item->data) {
if (!item->data->isVisible()) {
delete item->data;
item->data = nullptr;
}
}
if (item->image) {
if (!item->image->isVisible()) {
delete item->image;
item->image = nullptr;
}
}
if (!item->image && !item->data && !item->info) inspectList.removeOne(item);
}
}
// read restart file into LAMMPS instance and launch image viewer
void LammpsGui::inspect_file(const QString &fileName)
{
QFile file(fileName);
auto shortName = QFileInfo(fileName).fileName();
purge_inspect_list();
auto ilist = new InspectData;
ilist->info = nullptr;
ilist->data = nullptr;
ilist->image = nullptr;
inspectList.append(ilist);
if (file.size() > 262144000L) {
QMessageBox msg;
msg.setWindowTitle(" Warning: Large Restart File ");
msg.setWindowIcon(windowIcon());
msg.setText(QString("<center>The restart file ") + shortName + " is large</center>");
QString details = "Inspecting the restart file %1 with LAMMPS-GUI may need an additional "
"%2 GB of free RAM (or more) to proceed";
msg.setDetailedText(details.arg(shortName).arg(file.size() / 134217728.0));
msg.setInformativeText("Do you want to continue?");
msg.setIcon(QMessageBox::Question);
msg.setStandardButtons(QMessageBox::Yes | QMessageBox::No);
msg.setDefaultButton(QMessageBox::No);
msg.setEscapeButton(QMessageBox::No);
msg.setFont(font());
int rv = msg.exec();
switch (rv) {
case QMessageBox::No:
return;
break;
case QMessageBox::Yes: // fallthrough
default:
// do nothing
break;
}
}
if (!file.open(QIODevice::ReadOnly)) {
QMessageBox::warning(this, "Warning",
"Cannot open file " + fileName + ": " + file.errorString() + ".\n");
return;
}
char magic[16] = " ";
QDataStream in(&file);
in.readRawData(magic, 16);
file.close();
if (strcmp(magic, LAMMPS_MAGIC) != 0) {
QMessageBox::warning(this, "Warning",
"File " + fileName + " is not a LAMMPS restart file.\n");
return;
}
// LAMMPS is not re-entrant, so we can only query LAMMPS when it is not running a simulation
if (!lammps.is_running()) {
start_lammps();
lammps.command("clear");
lammps.command(QString("read_restart %1").arg(fileName));
capturer->BeginCapture();
lammps.command("info system group compute fix");
capturer->EndCapture();
auto info = capturer->GetCapture();
auto infolog = QString("%1.info.log").arg(fileName);
QFile dumpinfo(infolog);
if (dumpinfo.open(QIODevice::WriteOnly)) {
auto infodata = QString("%1.tmp.data").arg(fileName);
dumpinfo.write(info.c_str(), info.size());
dumpinfo.close();
auto *infoviewer =
new FileViewer(infolog, QString("LAMMPS-GUI: restart info for %1").arg(shortName));
infoviewer->show();
ilist->info = infoviewer;
dumpinfo.remove();
lammps.command(QString("write_data %1 pair ij noinit").arg(infodata));
auto *dataviewer =
new FileViewer(infodata, QString("LAMMPS-GUI: data file for %1").arg(shortName));
dataviewer->show();
ilist->data = dataviewer;
QFile(infodata).remove();
auto *inspect_image = new ImageViewer(fileName, &lammps);
inspect_image->setFont(font());
inspect_image->show();
ilist->image = inspect_image;
}
}
}
// write file and update CWD to its folder
void LammpsGui::write_file(const QString &fileName)
{
QFileInfo path(fileName);
current_file = path.fileName();
current_dir = path.absolutePath();
QFile file(path.absoluteFilePath());
if (!file.open(QIODevice::WriteOnly | QFile::Text)) {
QMessageBox::warning(this, "Warning", "Cannot save file: " + file.errorString());
return;
}
setWindowTitle(QString("LAMMPS-GUI - Editor - " + current_file));
QDir::setCurrent(current_dir);
update_recents(path.absoluteFilePath());
QTextStream out(&file);
QString text = ui->textEdit->toPlainText();
out << text;
if (text.back().toLatin1() != '\n') out << "\n"; // add final newline if missing
file.close();
dirstatus->setText(QString(" Directory: ") + current_dir);
ui->textEdit->document()->setModified(false);
}
void LammpsGui::save()
{
purge_inspect_list();
QString fileName = current_file;
// If we don't have a filename from before, get one.
if (fileName.isEmpty()) fileName = QFileDialog::getSaveFileName(this, "Save");
write_file(fileName);
}
void LammpsGui::save_as()
{
QString fileName = QFileDialog::getSaveFileName(this, "Save as");
write_file(fileName);
}
void LammpsGui::quit()
{
if (lammps.is_running()) {
stop_run();
runner->wait();
}
lammps.close();
lammpsstatus->hide();
lammps.finalize();
autoSave();
if (ui->textEdit->document()->isModified()) {
QMessageBox msg;
msg.setWindowTitle("Unsaved Changes");
msg.setWindowIcon(windowIcon());
msg.setText(QString("The buffer ") + current_file + " has changes");
msg.setInformativeText("Do you want to save the file before exiting?");
msg.setIcon(QMessageBox::Question);
msg.setStandardButtons(QMessageBox::Yes | QMessageBox::No | QMessageBox::Cancel);
msg.setFont(font());
int rv = msg.exec();
switch (rv) {
case QMessageBox::Yes:
save();
break;
case QMessageBox::Cancel:
return;
break;
case QMessageBox::No: // fallthrough
default:
// do nothing
break;
}
}
// store some global settings
QSettings settings;
if (!isMaximized()) {
settings.setValue("mainx", width());
settings.setValue("mainy", height());
}
settings.sync();
QCoreApplication::quit();
}
void LammpsGui::copy()
{
#if QT_CONFIG(clipboard)
ui->textEdit->copy();
#endif
}
void LammpsGui::cut()
{
#if QT_CONFIG(clipboard)
ui->textEdit->cut();
#endif
}
void LammpsGui::paste()
{
#if QT_CONFIG(clipboard)
ui->textEdit->paste();
#endif
}
void LammpsGui::undo()
{
ui->textEdit->undo();
}
void LammpsGui::redo()
{
ui->textEdit->redo();
}
void LammpsGui::stop_run()
{
lammps.force_timeout();
}
void LammpsGui::logupdate()
{
double t_elapsed, t_remain, t_total;
int completed = 1000;
// estimate completion percentage
if (lammps.is_running()) {
t_elapsed = lammps.get_thermo("cpu");
t_remain = lammps.get_thermo("cpuremain");
t_total = t_elapsed + t_remain + 1.0e-10;
completed = t_elapsed / t_total * 1000.0;
int nline = -1;
void *ptr = lammps.last_thermo("line", 0);
if (ptr) {
nline = *((int *)ptr);
ui->textEdit->setHighlight(nline, false);
}
if (varwindow) {
int nvar = lammps.id_count("variable");
char buffer[BUFLEN];
QString varinfo("\n");
for (int i = 0; i < nvar; ++i) {
memset(buffer, 0, BUFLEN);
if (lammps.variable_info(i, buffer, BUFLEN)) varinfo += buffer;
}
if (nvar == 0) varinfo += " (none) ";
varwindow->setText(varinfo);
varwindow->adjustSize();
}
}
progress->setValue(completed);
if (logwindow) {
const auto text = capturer->GetChunk();
if (text.size() > 0) {
logwindow->moveCursor(QTextCursor::End);
logwindow->insertPlainText(text.c_str());
logwindow->moveCursor(QTextCursor::End);
logwindow->textCursor().deleteChar();
}
}
// get timestep
int step = 0;
void *ptr = lammps.last_thermo("step", 0);
if (ptr) {
if (lammps.extract_setting("bigint") == 4)
step = *(int *)ptr;
else
step = (int)*(int64_t *)ptr;
}
// extract cached thermo data when LAMMPS is executing a minimize or run command
if (chartwindow && lammps.is_running()) {
// thermo data is not yet valid during setup
void *ptr = lammps.last_thermo("setup", 0);
if (ptr && *(int *)ptr) return;
lammps.last_thermo("lock", 0);
ptr = lammps.last_thermo("num", 0);
if (ptr) {
int ncols = *(int *)ptr;
// check if the column assignment has changed
// if yes, delete charts and start over
if (chartwindow->num_charts() > 0) {
int count = 0;
bool do_reset = false;
if (step < chartwindow->get_step()) do_reset = true;
for (int i = 0, idx = 0; i < ncols; ++i) {
QString label = (const char *)lammps.last_thermo("keyword", i);
// no need to store the timestep column
if (label == "Step") continue;
if (!chartwindow->has_title(label, idx)) {
do_reset = true;
} else {
++count;
}
++idx;
}
if (chartwindow->num_charts() != count) do_reset = true;
if (do_reset) chartwindow->reset_charts();
}
if (chartwindow->num_charts() == 0) {
for (int i = 0; i < ncols; ++i) {
QString label = (const char *)lammps.last_thermo("keyword", i);
// no need to store the timestep column
if (label == "Step") continue;
chartwindow->add_chart(label, i);
}
}
for (int i = 0; i < ncols; ++i) {
int datatype = -1;
double data = 0.0;
void *ptr = lammps.last_thermo("type", i);
if (ptr) datatype = *(int *)ptr;
ptr = lammps.last_thermo("data", i);
if (ptr) {
if (datatype == 0) // int
data = *(int *)ptr;
else if (datatype == 2) // double
data = *(double *)ptr;
else if (datatype == 4) // bigint
data = (double)*(int64_t *)ptr;
}
chartwindow->add_data(step, data, i);
}
}
lammps.last_thermo("unlock", 0);
}
// update list of available image file names
QString imagefile = (const char *)lammps.last_thermo("imagename", 0);
if (!imagefile.isEmpty()) {
if (!slideshow) {
slideshow = new SlideShow(current_file);
if (QSettings().value("viewslide", true).toBool())
slideshow->show();
else
slideshow->hide();
} else {
slideshow->setWindowTitle(QString("LAMMPS-GUI - Slide Show - %1 - Run %2")
.arg(current_file)
.arg(run_counter));
if (QSettings().value("viewslide", true).toBool()) slideshow->show();
}
slideshow->add_image(imagefile);
}
}
void LammpsGui::modified()
{
const QString modflag(" - *modified*");
auto title = windowTitle().remove(modflag);
if (ui->textEdit->document()->isModified())
setWindowTitle(title + modflag);
else
setWindowTitle(title);
}
void LammpsGui::run_done()
{
if (logupdater) logupdater->stop();
delete logupdater;
logupdater = nullptr;
progress->setValue(1000);
ui->textEdit->setHighlight(CodeEditor::NO_HIGHLIGHT, false);
capturer->EndCapture();
auto log = capturer->GetCapture();
logwindow->insertPlainText(log.c_str());
logwindow->moveCursor(QTextCursor::End);
if (chartwindow) {
void *ptr = lammps.last_thermo("step", 0);
if (ptr) {
int step = 0;
if (lammps.extract_setting("bigint") == 4)
step = *(int *)ptr;
else
step = (int)*(int64_t *)ptr;
int ncols = *(int *)lammps.last_thermo("num", 0);
for (int i = 0; i < ncols; ++i) {
if (chartwindow->num_charts() == 0) {
QString label = (const char *)lammps.last_thermo("keyword", i);
// no need to store the timestep column
if (label == "Step") continue;
chartwindow->add_chart(label, i);
}
int datatype = *(int *)lammps.last_thermo("type", i);
double data = 0.0;
if (datatype == 0) // int
data = *(int *)lammps.last_thermo("data", i);
else if (datatype == 2) // double
data = *(double *)lammps.last_thermo("data", i);
else if (datatype == 4) // bigint
data = (double)*(int64_t *)lammps.last_thermo("data", i);
chartwindow->add_data(step, data, i);
}
}
}
bool success = true;
constexpr int BUFLEN = 1024;
char errorbuf[BUFLEN];
if (lammps.has_error()) {
lammps.get_last_error_message(errorbuf, BUFLEN);
success = false;
}
int nline = CodeEditor::NO_HIGHLIGHT;
void *ptr = lammps.last_thermo("line", 0);
if (ptr) nline = *((int *)ptr);
if (success) {
status->setText("Ready.");
} else {
status->setText("Failed.");
ui->textEdit->setHighlight(nline, true);
QMessageBox::critical(this, "LAMMPS-GUI Error",
QString("<p>Error running LAMMPS:\n\n<pre>") + errorbuf + "</pre></p>");
}
ui->textEdit->setCursor(nline);
ui->textEdit->setFileList();
progress->hide();
dirstatus->show();
}
void LammpsGui::do_run(bool use_buffer)
{
if (lammps.is_running()) {
QMessageBox::warning(this, "LAMMPS-GUI Error",
"Must stop current run before starting a new run");
return;
}
purge_inspect_list();
autoSave();
if (!use_buffer && ui->textEdit->document()->isModified()) {
QMessageBox msg;
msg.setWindowTitle("Unsaved Changes");
msg.setWindowIcon(windowIcon());
msg.setText(QString("The buffer ") + current_file + " has changes");
msg.setInformativeText("Do you want to save the buffer before running LAMMPS?");
msg.setIcon(QMessageBox::Question);
msg.setStandardButtons(QMessageBox::Yes | QMessageBox::Cancel);
msg.setFont(font());
int rv = msg.exec();
switch (rv) {
case QMessageBox::Yes:
save();
break;
case QMessageBox::Cancel: // falthrough
default:
return;
break;
}
}
QSettings settings;
progress->setValue(0);
dirstatus->hide();
progress->show();
int nthreads = settings.value("nthreads", 1).toInt();
int accel = settings.value("accelerator", AcceleratorTab::None).toInt();
if ((accel != AcceleratorTab::OpenMP) && (accel != AcceleratorTab::Intel) &&
(accel != AcceleratorTab::Kokkos))
nthreads = 1;
if (nthreads > 1)
status->setText(QString("Running LAMMPS with %1 thread(s)...").arg(nthreads));
else
status->setText(QString("Running LAMMPS ..."));
status->repaint();
start_lammps();
if (!lammps.is_open()) return;
capturer->BeginCapture();
runner = new LammpsRunner(this);
is_running = true;
++run_counter;
// define "gui_run" variable set to run_counter value
lammps.command("variable gui_run delete");
lammps.command(std::string("variable gui_run index " + std::to_string(run_counter)));
if (use_buffer) {
// always add final newline since the text edit widget does not do it
char *input = mystrdup(ui->textEdit->toPlainText() + "\n");
runner->setup_run(&lammps, input, nullptr);
} else {
char *fname = mystrdup(current_file);
runner->setup_run(&lammps, nullptr, fname);
}
connect(runner, &LammpsRunner::resultReady, this, &LammpsGui::run_done);
connect(runner, &LammpsRunner::finished, runner, &QObject::deleteLater);
runner->start();
// if configured, delete old log window before opening new one
if (settings.value("logreplace", true).toBool()) delete logwindow;
logwindow = new LogWindow(current_file);
logwindow->setReadOnly(true);
logwindow->setCenterOnScroll(true);
logwindow->moveCursor(QTextCursor::End);
logwindow->setWindowTitle(
QString("LAMMPS-GUI - Output - %1 - Run %2").arg(current_file).arg(run_counter));
logwindow->setWindowIcon(QIcon(":/icons/lammps-icon-128x128.png"));
QFont text_font;
text_font.fromString(settings.value("textfont", text_font.toString()).toString());
logwindow->document()->setDefaultFont(text_font);
logwindow->setLineWrapMode(LogWindow::NoWrap);
logwindow->setMinimumSize(400, 300);
auto *shortcut = new QShortcut(QKeySequence(Qt::CTRL | Qt::Key_W), logwindow);
QObject::connect(shortcut, &QShortcut::activated, logwindow, &LogWindow::close);
shortcut = new QShortcut(QKeySequence(Qt::CTRL | Qt::Key_Slash), logwindow);
QObject::connect(shortcut, &QShortcut::activated, this, &LammpsGui::stop_run);
if (settings.value("viewlog", true).toBool())
logwindow->show();
else
logwindow->hide();
// if configured, delete old log window before opening new one
if (settings.value("chartreplace", true).toBool()) delete chartwindow;
chartwindow = new ChartWindow(current_file);
chartwindow->setWindowTitle(
QString("LAMMPS-GUI - Charts - %2 - Run %3").arg(current_file).arg(run_counter));
chartwindow->setWindowIcon(QIcon(":/icons/lammps-icon-128x128.png"));
chartwindow->setMinimumSize(400, 300);
shortcut = new QShortcut(QKeySequence(Qt::CTRL | Qt::Key_W), chartwindow);
QObject::connect(shortcut, &QShortcut::activated, chartwindow, &ChartWindow::close);
shortcut = new QShortcut(QKeySequence(Qt::CTRL | Qt::Key_Slash), chartwindow);
QObject::connect(shortcut, &QShortcut::activated, this, &LammpsGui::stop_run);
if (settings.value("viewchart", true).toBool())
chartwindow->show();
else
chartwindow->hide();
if (slideshow) {
slideshow->setWindowTitle(QString("LAMMPS-GUI - Slide Show - " + current_file));
slideshow->clear();
slideshow->hide();
}
logupdater = new QTimer(this);
connect(logupdater, &QTimer::timeout, this, &LammpsGui::logupdate);
logupdater->start(settings.value("updfreq", "10").toInt());
}
void LammpsGui::render_image()
{
// LAMMPS is not re-entrant, so we can only query LAMMPS when it is not running
if (!lammps.is_running()) {
start_lammps();
if (!lammps.extract_setting("box_exist")) {
// there is no current system defined yet.
// so we select the input from the start to the first run or minimize command
// add a run 0 and thus create the state of the initial system without running.
// this will allow us to create a snapshot image.
auto saved = ui->textEdit->textCursor();
#if QT_VERSION < QT_VERSION_CHECK(5, 15, 0)
if (ui->textEdit->find(QRegExp(QStringLiteral("^\\s*(run|minimize)\\s+")))) {
#else
if (ui->textEdit->find(QRegularExpression(QStringLiteral("^\\s*(run|minimize)\\s+")))) {
#endif
auto cursor = ui->textEdit->textCursor();
cursor.movePosition(QTextCursor::PreviousBlock);
cursor.movePosition(QTextCursor::EndOfLine);
cursor.movePosition(QTextCursor::Start, QTextCursor::KeepAnchor);
auto selection = cursor.selectedText().replace(QChar(0x2029), '\n');
selection += "\nrun 0 pre yes post no";
ui->textEdit->setTextCursor(saved);
lammps.command("clear");
lammps.commands_string(selection);
// clear any possible error status
lammps.get_last_error_message(nullptr, 0);
}
// still no system box. bail out with a suitable message
if (!lammps.extract_setting("box_exist")) {
QMessageBox::warning(this, "ImageViewer Error",
"Cannot create snapshot image without a system box");
return;
}
ui->textEdit->setTextCursor(saved);
}
// if configured, delete old image window before opening new one
if (QSettings().value("imagereplace", true).toBool()) delete imagewindow;
imagewindow = new ImageViewer(current_file, &lammps);
} else {
QMessageBox::warning(this, "ImageViewer Error",
"Cannot create snapshot image while LAMMPS is running");
return;
}
imagewindow->show();
}
void LammpsGui::view_slides()
{
if (!slideshow) slideshow = new SlideShow(current_file);
if (slideshow->isVisible())
slideshow->hide();
else
slideshow->show();
}
void LammpsGui::view_chart()
{
QSettings settings;
if (chartwindow) {
if (chartwindow->isVisible()) {
chartwindow->hide();
settings.setValue("viewchart", false);
} else {
chartwindow->show();
settings.setValue("viewchart", true);
}
}
}
void LammpsGui::view_log()
{
QSettings settings;
if (logwindow) {
if (logwindow->isVisible()) {
logwindow->hide();
settings.setValue("viewlog", false);
} else {
logwindow->show();
settings.setValue("viewlog", true);
}
}
}
void LammpsGui::view_image()
{
if (imagewindow) {
if (imagewindow->isVisible()) {
imagewindow->hide();
} else {
imagewindow->show();
}
}
}
void LammpsGui::view_variables()
{
if (varwindow) {
if (varwindow->isVisible()) {
varwindow->hide();
} else {
varwindow->show();
}
}
}
void LammpsGui::setDocver()
{
QString git_branch = (const char *)lammps.extract_global("git_branch");
if ((git_branch == "stable") || (git_branch == "maintenance")) {
docver = "/stable/";
} else if (git_branch == "release") {
docver = "/";
} else {
docver = "/latest/";
}
}
void LammpsGui::autoSave()
{
// no need to auto-save, if the document has no name or is not modified.
QString fileName = current_file;
if (fileName.isEmpty()) return;
if (!ui->textEdit->document()->isModified()) return;
// check preference
bool autosave = false;
QSettings settings;
settings.beginGroup("reformat");
autosave = settings.value("autosave", false).toBool();
settings.endGroup();
if (autosave) write_file(fileName);
}
void LammpsGui::setFont(const QFont &newfont)
{
QMainWindow::setFont(newfont);
if (ui) {
ui->textEdit->setFont(newfont);
ui->menubar->setFont(newfont);
ui->menuFile->setFont(newfont);
ui->menuEdit->setFont(newfont);
ui->menu_Run->setFont(newfont);
ui->menu_Tutorial->setFont(newfont);
ui->menuAbout->setFont(newfont);
ui->menu_View->setFont(newfont);
}
}
void LammpsGui::about()
{
std::string version = "This is LAMMPS-GUI version " LAMMPS_GUI_VERSION;
version += " using Qt version " QT_VERSION_STR;
if (is_light_theme())
version += " using light theme\n";
else
version += " using dark theme\n";
if (lammps.has_plugin()) {
version += "LAMMPS library loaded as plugin";
if (!plugin_path.isEmpty()) {
version += " from file ";
version += plugin_path.toStdString();
}
} else {
version += "LAMMPS library linked to executable";
}
QString to_clipboard(version.c_str());
to_clipboard += "\n\n";
std::string info = "LAMMPS is currently running. LAMMPS config info not available.";
// LAMMPS is not re-entrant, so we can only query LAMMPS when it is not running
if (!lammps.is_running()) {
start_lammps();
capturer->BeginCapture();
lammps.command("info config");
capturer->EndCapture();
info = capturer->GetCapture();
auto start = info.find("LAMMPS version:");
auto end = info.find("Info-Info-Info", start);
info = std::string(info, start, end - start);
}
to_clipboard += info.c_str();
#if QT_CONFIG(clipboard)
QGuiApplication::clipboard()->setText(to_clipboard);
info += "(Note: this text has been copied to the clipboard)\n";
#endif
QMessageBox msg;
msg.setWindowTitle("About LAMMPS-GUI");
msg.setWindowIcon(QIcon(":/icons/lammps-icon-128x128.png"));
msg.setText(version.c_str());
msg.setInformativeText(info.c_str());
msg.setIconPixmap(QPixmap(":/icons/lammps-icon-128x128.png").scaled(64, 64));
msg.setStandardButtons(QMessageBox::Close);
QFont myfont(font());
myfont.setPointSize(myfont.pointSizeF() * 0.8);
msg.setFont(myfont);
auto *minwidth = new QSpacerItem(700, 0, QSizePolicy::Minimum, QSizePolicy::Expanding);
auto *layout = (QGridLayout *)msg.layout();
layout->addItem(minwidth, layout->rowCount(), 0, 1, layout->columnCount());
msg.exec();
}
void LammpsGui::help()
{
QMessageBox msg;
msg.setWindowTitle("LAMMPS-GUI Quick Help");
msg.setWindowIcon(QIcon(":/icons/lammps-icon-128x128.png"));
msg.setText("<div>This is LAMMPS-GUI version " LAMMPS_GUI_VERSION "</div>");
msg.setInformativeText(
"<p>LAMMPS-GUI is a graphical text editor that is customized for "
"editing LAMMPS input files and linked to the LAMMPS "
"library and thus can run LAMMPS directly using the contents of the "
"text buffer as input. It can retrieve and display information from "
"LAMMPS while it is running and display visualizations created "
"with the dump image command.</p>"
"<p>The main window of the LAMMPS-GUI is a text editor window with "
"LAMMPS specific syntax highlighting. When typing <b>Ctrl-Enter</b> "
"or clicking on 'Run LAMMMPS' in the 'Run' menu, LAMMPS will be run "
"with the contents of editor buffer as input. The output of the LAMMPS "
"run is captured and displayed in an Output window. The thermodynamic data "
"is displayed in a chart window. Both are updated regularly during the "
"run, as is a progress bar in the main window. The running simulation "
"can be stopped cleanly by typing <b>Ctrl-/</b> or by clicking on "
"'Stop LAMMPS' in the 'Run' menu. While LAMMPS is not running, "
"an image of the simulated system can be created and shown in an image "
"viewer window by typing <b>Ctrl-i</b> or by clicking on 'View Image' "
"in the 'Run' menu. Multiple image settings can be changed through the "
"buttons in the menu bar and the image will be re-renderd. In case "
"an input file contains a dump image command, LAMMPS-GUI will load "
"the images as they are created and display them in a slide show. </p>"
"<p>When opening a file, the editor will determine the directory "
"where the input file resides and switch its current working directory "
"to that same folder and thus enabling the run to read other files in "
"that folder, e.g. a data file. The GUI will show its current working "
"directory in the status bar. In addition to using the menu, the "
"editor window can also receive files as the first command line "
"argument or via drag-n-drop from a graphical file manager or a "
"desktop environment.</p>"
"<p>Almost all commands are accessible via keyboard shortcuts. Which "
"those shortcuts are, is typically shown next to their entries in the "
"menus. "
"In addition, the documentation for the command in the current line "
"can be viewed by typing <b>Ctrl-?</b> or by choosing the respective "
"entry in the context menu, available by right-clicking the mouse. "
"Log, chart, slide show, and image windows can be closed with "
"<b>Ctrl-W</b> and the application terminated with <b>Ctrl-Q</b>.</p>"
"<p>The 'About LAMMPS-GUI' dialog will show the LAMMPS version and the "
"features included into the LAMMPS library linked to the LAMMPS-GUI. "
"A number of settings can be adjusted in the 'Preferences' dialog (in "
"the 'Edit' menu or from <b>Ctrl-P</b>) which includes selecting "
"accelerator packages and number of OpenMP threads. Due to its nature "
"as a graphical application, it is <b>not</b> possible to use the "
"LAMMPS-GUI in parallel with MPI.</p>");
msg.setIconPixmap(QPixmap(":/icons/lammps-icon-128x128.png").scaled(64, 64));
msg.setStandardButtons(QMessageBox::Close);
msg.setFont(font());
msg.exec();
}
void LammpsGui::manual()
{
if (docver.isEmpty()) setDocver();
QDesktopServices::openUrl(QUrl(QString("https://docs.lammps.org%1").arg(docver)));
}
void LammpsGui::tutorial_web()
{
QDesktopServices::openUrl(QUrl("https://lammpstutorials.github.io/"));
}
QWizardPage *LammpsGui::tutorial_intro(const int ntutorial, const QString &infotext)
{
auto *page = new QWizardPage;
page->setTitle(QString("Getting Started With Tutorial %1").arg(ntutorial));
page->setPixmap(QWizard::WatermarkPixmap,
QPixmap(QString(":/icons/tutorial%1-logo.png").arg(ntutorial)));
// XXX TODO: update URL to published tutorial DOI
auto *label = new QLabel(
QString("<p>This dialog will help you to select and populate a folder with materials "
"required to work through tutorial ") +
QString::number(ntutorial) +
QString(" from the LAMMPS tutorials article by Simon Gravelle, Jake Gissinger, and Axel "
"Kohlmeyer.</p><p>The materials for this tutorial are downloaded from:<br><b><a "
"href=\"https://github.com/lammpstutorials/lammpstutorials-article\">https://"
"github.com/lammpstutorials/lammpstutorials-article</a></b></p>") +
infotext);
label->setWordWrap(true);
auto *layout = new QVBoxLayout;
layout->addWidget(label);
page->setLayout(layout);
return page;
}
QWizardPage *LammpsGui::tutorial_directory(const int ntutorial)
{
auto *page = new QWizardPage;
page->setTitle(QString("Select Directory for Tutorial %1").arg(ntutorial));
page->setPixmap(QWizard::WatermarkPixmap,
QPixmap(QString(":/icons/tutorial%1-logo.png").arg(ntutorial)));
auto *frame = new QFrame;
auto *label = new QLabel(
QString("<p>Select a directory to store the files for tutorial %1. The directory will be "
"created if necessary and LAMMPS-GUI will download the files required for the "
"tutorial. If selected, an existing directory may be cleared from old "
"files.</p>\n<p>Available files of the tutorial solution may be downloaded to a "
"sub-folder \"solution\", if requested.</p>\n")
.arg(ntutorial));
label->setWordWrap(true);
auto *dirlayout = new QHBoxLayout;
auto *directory = new QLineEdit;
// if we are already in a tutorial folder, stay there or pick folder in same parent dir
bool haveDir = false;
for (int i = 1; i < 99; ++i) {
if (current_dir.endsWith(QString("tutorial%1").arg(i))) {
if (i > 9) { // We assume there are no more than 99 tutorials
current_dir.chop(2);
} else {
current_dir.chop(1);
}
current_dir.append(QString::number(ntutorial));
haveDir = true;
}
}
// if current dir is home, or application folder, switch to desktop path
if ((current_dir == QDir::homePath()) || current_dir.contains("AppData") ||
current_dir.contains("Program Files")) {
current_dir = QStandardPaths::writableLocation(QStandardPaths::DesktopLocation);
}
if (!haveDir) current_dir.append(QString("/tutorial%1").arg(ntutorial));
directory->setText(current_dir);
auto *dirbutton = new QPushButton("&Choose");
dirlayout->addWidget(directory);
dirlayout->addWidget(dirbutton);
directory->setObjectName("t_directory");
connect(dirbutton, &QPushButton::released, this, &LammpsGui::get_directory);
auto *grid = new QGridLayout;
auto *purgeval = new QCheckBox;
auto *solval = new QCheckBox;
auto *purgelabel = new QLabel("Remove existing files from directory");
auto *sollabel = new QLabel("Download solutions");
purgeval->setCheckState(Qt::Unchecked);
purgeval->setObjectName("t_dirpurge");
solval->setCheckState(Qt::Unchecked);
solval->setObjectName("t_getsolution");
grid->addWidget(purgeval, 0, 0, Qt::AlignVCenter);
grid->addWidget(purgelabel, 0, 1, Qt::AlignVCenter);
grid->addWidget(solval, 1, 0, Qt::AlignVCenter);
grid->addWidget(sollabel, 1, 1, Qt::AlignVCenter);
grid->setColumnStretch(0, 0);
grid->setColumnStretch(1, 100);
auto *label2 = new QLabel(
QString("<hr width=\"33%\">\n<p align=\"center\">Click on "
"the \"Finish\" button to complete the setup and start the download.</p>"));
label->setWordWrap(true);
auto *layout = new QVBoxLayout(frame);
layout->addWidget(label);
layout->addLayout(dirlayout);
layout->addLayout(grid);
layout->addWidget(label2);
page->setLayout(layout);
return page;
}
void LammpsGui::start_tutorial1()
{
if (wizard) delete wizard;
wizard = new TutorialWizard(1);
const auto infotext =
QString("<p>In tutorial 1 you will learn about LAMMPS input files, their syntax and "
"structure, how to create and set up models and their interactions, how to run a "
"minimization and a molecular dynamics trajectory, how to plot thermodynamic data "
"and how to create visualizations of your system</p><hr width=\"33%\"\\>\n<p "
"align=\"center\">Click on the \"Next\" button to select a folder.</p>");
wizard->setFont(font());
wizard->addPage(tutorial_intro(1, infotext));
wizard->addPage(tutorial_directory(1));
wizard->setWindowTitle("Tutorial 1 Setup Wizard");
wizard->setWizardStyle(QWizard::ModernStyle);
wizard->show();
}
void LammpsGui::start_tutorial2()
{
if (wizard) delete wizard;
wizard = new TutorialWizard(2);
const auto infotext =
QString("<p>In tutorial 2 you will learn about setting up a simulation for a molecular "
"system with bonds. The target is to simulate a carbon nanotube with a "
"conventional molecular force field under growing strain and observe the response "
"to it. Since bonds are represented by a harmonic potential, they cannot break. "
"This is then compared to simulating the same system with a reactive force field "
"(AIREBO) where bonds may be broken and formed.</p><hr width=\"33%\"\\>\n<p "
"align=\"center\">Click on the \"Next\" button to select a folder.</p>");
wizard->setFont(font());
wizard->addPage(tutorial_intro(2, infotext));
wizard->addPage(tutorial_directory(2));
wizard->setWindowTitle("Tutorial 2 Setup Wizard");
wizard->setWizardStyle(QWizard::ModernStyle);
wizard->show();
}
void LammpsGui::start_tutorial3()
{
if (wizard) delete wizard;
wizard = new TutorialWizard(3);
const auto infotext = QString(
"<p>In tutorial 3 you will learn setting up a multi-component, a polymer molecule embedded "
"in liquid water. The model employs a long-range Coulomb solver and a stretching force is "
"applied to the polymer. This is used to demonstrate how to use the type label facility in "
"LAMMPS to make components more generic.</p><hr width=\"33%\"\\>\n<p "
"align=\"center\">Click on the \"Next\" button to select a folder.</p>");
wizard->setFont(font());
wizard->addPage(tutorial_intro(3, infotext));
wizard->addPage(tutorial_directory(3));
wizard->setWindowTitle("Tutorial 3 Setup Wizard");
wizard->setWizardStyle(QWizard::ModernStyle);
wizard->show();
}
void LammpsGui::start_tutorial4()
{
if (wizard) delete wizard;
wizard = new TutorialWizard(4);
const auto infotext =
QString("<p>In tutorial 4 an electrolyte is simulated while confined between two walls and "
"thus illustrating the specifics of simulating systems with fluid-solid "
"interfaces. The water model is more complex than in tutorial 3 and also a "
"non-equilibrium MD simulation is performed by imposing shearing forces on the "
"electrolyte through moving the walls.</p><hr width=\"33%\"\\>\n<p "
"align=\"center\">Click on the \"Next\" button to select a folder.</p>");
wizard->setFont(font());
wizard->addPage(tutorial_intro(4, infotext));
wizard->addPage(tutorial_directory(4));
wizard->setWindowTitle("Tutorial 4 Setup Wizard");
wizard->setWizardStyle(QWizard::ModernStyle);
wizard->show();
}
void LammpsGui::start_tutorial5()
{
if (wizard) delete wizard;
wizard = new TutorialWizard(5);
const auto infotext =
QString("<p>Tutorial 5 demonstrates the use of the ReaxFF reactive force field which "
"includes a dynamic bond topology based on determining the bond order. ReaxFF "
"includes charge equilibration (QEq) and thus the atoms can change their partial "
"charges according to the local environment.</p><hr width=\"33%\"\\>\n<p "
"align=\"center\">Click on the \"Next\" button to select a folder.</p>");
wizard->setFont(font());
wizard->addPage(tutorial_intro(5, infotext));
wizard->addPage(tutorial_directory(5));
wizard->setWindowTitle("Tutorial 5 Setup Wizard");
wizard->setWizardStyle(QWizard::ModernStyle);
wizard->show();
}
void LammpsGui::start_tutorial6()
{
if (wizard) delete wizard;
wizard = new TutorialWizard(6);
const auto infotext = QString(
"<p>In tutorial 6 an MD simulation is combined with Monte Carlo (MC) steps to implement "
"a Grand Canonical ensemble. This represents an open system where atoms or "
"molecules may be exchanged with a reservoir.</p><hr width=\"33%\"\\>\n<p "
"align=\"center\">Click on the \"Next\" button to select a folder.</p>");
wizard->setFont(font());
wizard->addPage(tutorial_intro(6, infotext));
wizard->addPage(tutorial_directory(6));
wizard->setWindowTitle("Tutorial 6 Setup Wizard");
wizard->setWizardStyle(QWizard::ModernStyle);
wizard->show();
}
void LammpsGui::start_tutorial7()
{
if (wizard) delete wizard;
wizard = new TutorialWizard(7);
const auto infotext =
QString("<p>In tutorial 7 you will determine the height of a free energy barrier through "
"using umbrella sampling. This is one of many advanced methods using specific "
"reaction coordinates or so-called collective variables to map out relevant parts "
"of free energy landscapes, where unbiased MD or MC simulation may take too "
"long.</p><hr width=\"33%\"\\>\n<p align=\"center\">Click on the \"Next\" button "
"to select a folder.</p>");
wizard->setFont(font());
wizard->addPage(tutorial_intro(7, infotext));
wizard->addPage(tutorial_directory(7));
wizard->setWindowTitle("Tutorial 7 Setup Wizard");
wizard->setWizardStyle(QWizard::ModernStyle);
wizard->show();
}
void LammpsGui::start_tutorial8()
{
if (wizard) delete wizard;
wizard = new TutorialWizard(8);
const auto infotext =
QString("<p>In tutorial 8 a CNT embedded in a Nylon-6,6 polymer melt is simulated. The "
"REACTER protocol is used to model the polymerization of Nylon without having to "
"employ far more computationally demanding models like ReaxFF. Also, the "
"formation of water molecules is tracked over time.</p><hr width=\"33%\"\\>\n<p "
"align=\"center\">Click on the \"Next\" button to select a folder.</p>");
wizard->setFont(font());
wizard->addPage(tutorial_intro(8, infotext));
wizard->addPage(tutorial_directory(8));
wizard->setWindowTitle("Tutorial 8 Setup Wizard");
wizard->setWizardStyle(QWizard::ModernStyle);
wizard->show();
}
void LammpsGui::howto()
{
if (docver.isEmpty()) setDocver();
QDesktopServices::openUrl(
QUrl(QString("https://docs.lammps.org%1Howto_lammps_gui.html").arg(docver)));
}
void LammpsGui::defaults()
{
QSettings settings;
settings.clear();
settings.sync();
}
void LammpsGui::edit_variables()
{
QList<QPair<QString, QString>> newvars = variables;
SetVariables vars(newvars);
vars.setFont(font());
if (vars.exec() == QDialog::Accepted) {
variables = newvars;
if (lammps.is_running()) {
stop_run();
runner->wait();
delete runner;
}
lammps.close();
lammpsstatus->hide();
}
}
void LammpsGui::findandreplace()
{
FindAndReplace find(ui->textEdit, this);
find.setFont(font());
find.setObjectName("find");
find.exec();
}
void LammpsGui::preferences()
{
QSettings settings;
int oldthreads = settings.value("nthreads", 1).toInt();
int oldaccel = settings.value("accelerator", AcceleratorTab::None).toInt();
bool oldecho = settings.value("echo", false).toBool();
bool oldcite = settings.value("cite", false).toBool();
Preferences prefs(&lammps);
prefs.setFont(font());
prefs.setObjectName("preferences");
if (prefs.exec() == QDialog::Accepted) {
// must delete LAMMPS instance after preferences have changed that require
// using different command line flags when creating the LAMMPS instance like
// suffixes or package commands
int newthreads = settings.value("nthreads", 1).toInt();
if ((oldaccel != settings.value("accelerator", AcceleratorTab::None).toInt()) ||
(oldthreads != newthreads) || (oldecho != settings.value("echo", false).toBool()) ||
(oldcite != settings.value("cite", false).toBool())) {
if (lammps.is_running()) {
stop_run();
runner->wait();
delete runner;
}
lammps.close();
lammpsstatus->hide();
#if defined(_OPENMP)
qputenv("OMP_NUM_THREADS", std::to_string(newthreads).c_str());
omp_set_num_threads(newthreads);
#endif
}
if (imagewindow) imagewindow->createImage();
settings.beginGroup("reformat");
ui->textEdit->setReformatOnReturn(settings.value("return", false).toBool());
ui->textEdit->setAutoComplete(settings.value("automatic", true).toBool());
settings.endGroup();
}
}
void LammpsGui::start_lammps()
{
// temporary extend lammps_args with additional arguments
int initial_narg = lammps_args.size();
QSettings settings;
int nthreads = settings.value("nthreads", 1).toInt();
int accel = settings.value("accelerator", AcceleratorTab::None).toInt();
if (accel == AcceleratorTab::Opt) {
lammps_args.push_back(mystrdup("-suffix"));
lammps_args.push_back(mystrdup("opt"));
} else if (accel == AcceleratorTab::OpenMP) {
lammps_args.push_back(mystrdup("-suffix"));
lammps_args.push_back(mystrdup("omp"));
lammps_args.push_back(mystrdup("-pk"));
lammps_args.push_back(mystrdup("omp"));
lammps_args.push_back(mystrdup(std::to_string(nthreads)));
} else if (accel == AcceleratorTab::Intel) {
lammps_args.push_back(mystrdup("-suffix"));
lammps_args.push_back(mystrdup("intel"));
lammps_args.push_back(mystrdup("-pk"));
lammps_args.push_back(mystrdup("intel"));
lammps_args.push_back(mystrdup(std::to_string(nthreads)));
} else if (accel == AcceleratorTab::Gpu) {
lammps_args.push_back(mystrdup("-suffix"));
lammps_args.push_back(mystrdup("gpu"));
lammps_args.push_back(mystrdup("-pk"));
lammps_args.push_back(mystrdup("gpu"));
lammps_args.push_back(mystrdup("0"));
} else if (accel == AcceleratorTab::Kokkos) {
lammps_args.push_back(mystrdup("-kokkos"));
lammps_args.push_back(mystrdup("on"));
lammps_args.push_back(mystrdup("t"));
lammps_args.push_back(mystrdup(std::to_string(nthreads)));
lammps_args.push_back(mystrdup("-suffix"));
lammps_args.push_back(mystrdup("kk"));
}
if (settings.value("echo", false).toBool()) {
lammps_args.push_back(mystrdup("-echo"));
lammps_args.push_back(mystrdup("screen"));
}
if (settings.value("cite", false).toBool()) {
lammps_args.push_back(mystrdup("-cite"));
lammps_args.push_back(mystrdup("screen"));
}
// add variables, if defined
for (auto &var : variables) {
QString name = var.first;
QString value = var.second;
if (!name.isEmpty() && !value.isEmpty()) {
lammps_args.push_back(mystrdup("-var"));
lammps_args.push_back(mystrdup(name));
for (const auto &v : value.split(' '))
lammps_args.push_back(mystrdup(v));
}
}
char **args = lammps_args.data();
int narg = lammps_args.size();
lammps.open(narg, args);
lammpsstatus->show();
// must have a version newer than the 29 August 2024 release of LAMMPS
// TODO: must update this check before next feature release
if (lammps.version() < 20240829) {
QMessageBox::critical(this, "Incompatible LAMMPS Version",
"LAMMPS-GUI version " LAMMPS_GUI_VERSION " requires\n"
"a LAMMPS version of at least 29 August 2024");
exit(1);
}
// delete additional arguments again (3 were there initially
while ((int)lammps_args.size() > initial_narg) {
delete[] lammps_args.back();
lammps_args.pop_back();
}
if (lammps.has_error()) {
constexpr int BUFLEN = 1024;
char errorbuf[BUFLEN];
lammps.get_last_error_message(errorbuf, BUFLEN);
QMessageBox::critical(this, "LAMMPS-GUI Error",
QString("Error launching LAMMPS:\n\n") + errorbuf);
}
}
bool LammpsGui::eventFilter(QObject *watched, QEvent *event)
{
if (event->type() == QEvent::Close) {
autoSave();
}
return QWidget::eventFilter(watched, event);
}
// LAMMPS geturl command with current location of the input and solution files on the web
static const QString geturl =
"geturl https://raw.githubusercontent.com/lammpstutorials/"
"lammpstutorials-article/refs/heads/main/files/tutorial%1/%2 output %2 verify no";
void LammpsGui::setup_tutorial(int tutno, const QString &dir, bool purgedir, bool getsolution)
{
constexpr int BUFLEN = 1024;
char errorbuf[BUFLEN];
if (!lammps.config_has_curl_support()) {
QMessageBox::critical(this, "LAMMPS-GUI tutorial files download error",
"<p align=\"center\">LAMMPS must be compiled with libcurl to support "
"downloading files</p>");
return;
}
QDir directory(dir);
directory.cd(dir);
if (purgedir) purge_directory(dir);
if (getsolution) directory.mkpath("solution");
start_lammps();
lammps.command("clear");
lammps.command(QString("shell cd " + dir));
// download and process manifest for selected tutorial
// must check for error after download, e.g. when there is no network.
lammps.command(geturl.arg(tutno).arg(".manifest"));
if (lammps.has_error()) {
lammps.get_last_error_message(errorbuf, BUFLEN);
QMessageBox::critical(this, "LAMMPS-GUI tutorial download error", QString(errorbuf));
return;
}
QFile manifest(".manifest");
QString line, first;
struct DownloadItem {
DownloadItem(int _n, const QString &_f) : ntutorial(_n), fname(_f) {}
int ntutorial;
QString fname;
};
QList<DownloadItem> downloads;
if (manifest.open(QIODevice::ReadOnly)) {
while (!manifest.atEnd()) {
line = (const char *)manifest.readLine();
line = line.trimmed();
// skip empty and comment lines
if (line.isEmpty() || line.startsWith('#')) continue;
// file in subfolder
if (line.contains('/')) {
if (getsolution && line.startsWith("solution")) {
downloads.append(DownloadItem(tutno, line));
}
} else {
// first file is the initial template
if (first.isEmpty()) first = line;
downloads.append(DownloadItem(tutno, line));
}
}
manifest.close();
manifest.remove();
}
int i = 0;
int num = downloads.size();
if (!num) num = 1;
progress->setValue(0);
progress->show();
dirstatus->hide();
for (const auto &item : downloads) {
++i;
status->setText(QString("Downloading file %1 of %2").arg(i).arg(num));
progress->setValue((int)((double)i / ((double)num) * 1000.0));
status->repaint();
lammps.command(geturl.arg(item.ntutorial).arg(item.fname));
// download failed. abort, restore status line, and launch error dialog
if (lammps.has_error()) {
status->setText("Error.");
progress->hide();
dirstatus->show();
status->repaint();
lammps.get_last_error_message(errorbuf, BUFLEN);
QMessageBox::critical(this, "LAMMPS-GUI tutorial download error", QString(errorbuf));
return;
}
// check if download is a placeholder for a symbolic link and make a copy instead.
QFile dlfile(item.fname);
QFileInfo dlpath(item.fname);
if (dlfile.open(QIODevice::ReadOnly)) {
line = (const char *)dlfile.readLine();
line = line.trimmed();
dlfile.close();
if (line == QString("../") + dlpath.fileName())
lammps.command(QString("shell cp %1 %2").arg(dlpath.fileName()).arg(item.fname));
}
}
progress->setValue(1000);
status->setText("Ready.");
progress->hide();
dirstatus->show();
status->repaint();
if (!first.isEmpty()) open_file(first);
}
TutorialWizard::TutorialWizard(int ntutorial, QWidget *parent) :
QWizard(parent), _ntutorial(ntutorial)
{
setWindowIcon(QIcon(":/icons/tutorial-logo.png"));
}
// actions to perform when the wizard for tutorial 1 is complete
// and the user has clicked on "Finish"
void TutorialWizard::accept()
{
// get pointers to the widgets with the information we need
auto *dirname = findChild<QLineEdit *>("t_directory");
auto *dirpurge = findChild<QCheckBox *>("t_dirpurge");
auto *getsol = findChild<QCheckBox *>("t_getsolution");
bool purgedir = false;
bool getsolution = false;
QString curdir;
// create and populate directory.
if (dirname) {
QDir directory;
curdir = dirname->text().trimmed();
if (!directory.mkpath(curdir)) {
QMessageBox::warning(this, "Warning",
"Cannot create tutorial " + QString::number(_ntutorial) +
" working directory '" + curdir +
"'.\n\nGoing back to directory selection.");
back();
return;
}
purgedir = dirpurge && (dirpurge->checkState() == Qt::Checked);
getsolution = getsol && (getsol->checkState() == Qt::Checked);
}
QDialog::accept();
// get hold of LAMMPS-GUI main widget
if (dirname) {
LammpsGui *main = nullptr;
for (QWidget *widget : QApplication::topLevelWidgets())
if (widget->objectName() == "LammpsGui") main = dynamic_cast<LammpsGui *>(widget);
if (main) main->setup_tutorial(_ntutorial, curdir, purgedir, getsolution);
}
}
// Local Variables:
// c-basic-offset: 4
// End: