first pieces of preferences dialog

tools/lammps-gui/lammpsgui.cpp

@@ -69,7 +69,6 @@ LammpsGui::LammpsGui(QWidget *parent, const char *filename) :
     ui->setupUi(this);
     this->setCentralWidget(ui->textEdit);
     highlighter = new Highlighter(ui->textEdit->document());
-    prefdialog  = new Preferences(this);
     capturer    = new StdCapture;
     current_file.clear();
     current_dir = QDir(".").absolutePath();
@@ -619,8 +618,8 @@ void LammpsGui::manual()
 
 void LammpsGui::preferences()
 {
-    QString helpmsg = "This is LAMMPS-GUI version " LAMMPS_GUI_VERSION;
-    QMessageBox::information(this, "LAMMPS-GUI Help", helpmsg);
+    Preferences prefs(&lammps);
+    prefs.exec();
 }
 
 void LammpsGui::start_lammps()

tools/lammps-gui/lammpswrapper.cpp

@@ -19,10 +19,7 @@
 #include "library.h"
 #endif
 
-LammpsWrapper::LammpsWrapper() :
-    lammps_handle(nullptr), plugin_handle(nullptr)
-{
-}
+LammpsWrapper::LammpsWrapper() : lammps_handle(nullptr), plugin_handle(nullptr) {}
 
 void LammpsWrapper::open(int narg, char **args)
 {

tools/lammps-gui/preferences.cpp

@@ -14,6 +14,82 @@
 #include "preferences.h"
 
 #include <QDialogButtonBox>
+#include <QGroupBox>
+#include <QLabel>
+#include <QLineEdit>
+#include <QRadioButton>
+#include <QSettings>
 #include <QTabWidget>
+#include <QVBoxLayout>
 
-Preferences::Preferences(QWidget *parent) : QDialog(parent) {}
+#include "lammpswrapper.h"
+
+Preferences::Preferences(LammpsWrapper *_lammps, QWidget *parent) :
+    QDialog(parent), tabWidget(new QTabWidget),
+    buttonBox(new QDialogButtonBox(QDialogButtonBox::Ok)), settings(new QSettings), lammps(_lammps)
+{
+    tabWidget->addTab(new AcceleratorTab(settings, lammps), "Accelerators");
+    tabWidget->addTab(new SnapshotTab(settings), "Snapshot Image");
+
+    connect(buttonBox, &QDialogButtonBox::accepted, this, &QDialog::accept);
+
+    auto *layout = new QVBoxLayout;
+    layout->addWidget(tabWidget);
+    layout->addWidget(buttonBox);
+    setLayout(layout);
+    setWindowTitle("LAMMPS-GUI - Preferences");
+    resize(400, 320);
+}
+
+Preferences::~Preferences()
+{
+    delete buttonBox;
+    delete tabWidget;
+    delete settings;
+}
+
+AcceleratorTab::AcceleratorTab(QSettings *_settings, LammpsWrapper *_lammps, QWidget *parent) :
+    QWidget(parent), settings(_settings), lammps(_lammps)
+{
+    QGroupBox *accelerator = new QGroupBox("Choose Accelerator");
+    QRadioButton *none     = new QRadioButton("&None");
+    QRadioButton *kokkos   = new QRadioButton("&Kokkos");
+    QRadioButton *intel    = new QRadioButton("&Intel");
+    QRadioButton *openmp   = new QRadioButton("&OpenMP");
+    QRadioButton *opt      = new QRadioButton("O&pt");
+
+    none->setChecked(true);
+    QVBoxLayout *layout = new QVBoxLayout;
+    layout->addWidget(none);
+    layout->addWidget(kokkos);
+    layout->addWidget(intel);
+    layout->addWidget(openmp);
+    layout->addWidget(opt);
+    layout->addStretch(1);
+    setLayout(layout);
+}
+
+SnapshotTab::SnapshotTab(QSettings *_settings, QWidget *parent) :
+    QWidget(parent), settings(_settings)
+{
+    QGridLayout *grid = new QGridLayout;
+
+    QLabel *xsize   = new QLabel("Image width:");
+    QLabel *ysize   = new QLabel("Image height:");
+    QLabel *zoom    = new QLabel("Zoom factor:");
+    QLineEdit *xval = new QLineEdit(settings->value("xsize", "800").toString());
+    QLineEdit *yval = new QLineEdit(settings->value("ysize", "600").toString());
+    QLineEdit *zval = new QLineEdit(settings->value("zoom", "1.0").toString());
+
+    grid->addWidget(xsize, 0, 0);
+    grid->addWidget(ysize, 1, 0);
+    grid->addWidget(zoom, 2, 0);
+    grid->addWidget(xval, 0, 1);
+    grid->addWidget(yval, 1, 1);
+    grid->addWidget(zval, 2, 1);
+    setLayout(grid);
+}
+
+// Local Variables:
+// c-basic-offset: 4
+// End:

tools/lammps-gui/preferences.h

@@ -16,17 +16,51 @@
 
 #include <QDialog>
 
-class QTabWidget;
 class QDialogButtonBox;
+class QSettings;
+class QTabWidget;
+class LammpsWrapper;
 
 class Preferences : public QDialog {
     Q_OBJECT
 
 public:
-    explicit Preferences(QWidget *parent = nullptr);
+    explicit Preferences(LammpsWrapper *lammps, QWidget *parent = nullptr);
+    ~Preferences() override;
 
 private:
     QTabWidget *tabWidget;
     QDialogButtonBox *buttonBox;
+    QSettings *settings;
+    LammpsWrapper *lammps;
 };
+
+// individual tabs
+
+class AcceleratorTab : public QWidget {
+    Q_OBJECT
+
+public:
+    explicit AcceleratorTab(QSettings *settings, LammpsWrapper *lammps, QWidget *parent = nullptr);
+    enum { None, Intel, Kokkos, OpenMP, Opt };
+
+private:
+    QSettings *settings;
+    LammpsWrapper *lammps;
+};
+
+class SnapshotTab : public QWidget {
+    Q_OBJECT
+
+public:
+    explicit SnapshotTab(QSettings *settings, QWidget *parent = nullptr);
+
+private:
+    QSettings *settings;
+};
+
 #endif
+
+// Local Variables:
+// c-basic-offset: 4
+// End: