complete implementation of variable setting dialog

tools/lammps-gui/lammpsgui.cpp

@@ -271,35 +271,35 @@ void LammpsGui::update_recents(const QString &filename)
     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->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->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->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->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->setText(QString("&5. ") + fi.fileName());
         ui->action_5->setData(recent[4]);
         ui->action_5->setVisible(true);
     }
@@ -898,7 +898,10 @@ void LammpsGui::edit_variables()
 {
     QList<QPair<QString, QString>> newvars = variables;
     SetVariables vars(newvars);
-    if (vars.exec() == QDialog::Accepted) variables = newvars;
+    if (vars.exec() == QDialog::Accepted) {
+        variables = newvars;
+        lammps.close();
+    }
 }
 
 void LammpsGui::preferences()
@@ -968,6 +971,18 @@ void LammpsGui::start_lammps()
         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.toStdString()));
+            for (const auto &v : value.split(' '))
+                lammps_args.push_back(mystrdup(v.toStdString()));
+        }
+    }
+
     char **args = lammps_args.data();
     int narg    = lammps_args.size();
     lammps.open(narg, args);

tools/lammps-gui/lammpsgui.qrc

@@ -11,6 +11,9 @@
 <qresource>
     <file>gtk-zoom-fit.png</file>
 </qresource>
+<qresource>
+    <file>edit-delete.png</file>
+</qresource>
 <qresource>
     <file>object-rotate-right.png</file>
 </qresource>

tools/lammps-gui/lammpsgui.ui

@@ -418,11 +418,15 @@
   </action>
   <action name="actionSet_Variables">
    <property name="icon">
-    <iconset theme="preferences-desktop-personal"/>
+    <iconset theme="preferences-desktop-personal">
+     <normaloff>.</normaloff>.</iconset>
    </property>
    <property name="text">
     <string>Set &amp;Variables</string>
    </property>
+   <property name="shortcut">
+    <string>Ctrl+Shift+V</string>
+   </property>
   </action>
  </widget>
  <customwidgets>

tools/lammps-gui/setvariables.cpp

@@ -15,32 +15,45 @@
 
 #include <QDialogButtonBox>
 #include <QGridLayout>
+#include <QIcon>
 #include <QLabel>
 #include <QLineEdit>
+#include <QPushButton>
 #include <QSizePolicy>
 
-SetVariables::SetVariables(QList<QPair<QString, QString>> &vars, QWidget *parent) : QDialog(parent)
+SetVariables::SetVariables(QList<QPair<QString, QString>> &_vars, QWidget *parent) :
+    QDialog(parent), vars(_vars), layout(new QVBoxLayout)
 {
-    auto *layout = new QGridLayout;
-    auto *top    = new QLabel("Set Variables:");
-    layout->addWidget(top, 0, 0, 1, 2, Qt::AlignHCenter);
-
-    auto *buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel);
-    connect(buttonBox, &QDialogButtonBox::accepted, this, &SetVariables::accept);
-    connect(buttonBox, &QDialogButtonBox::rejected, this, &QDialog::reject);
+    auto *top = new QLabel("Set Variables:");
+    layout->addWidget(top, 0, Qt::AlignHCenter);
 
     int i = 1;
     for (const auto &v : vars) {
+        auto *row  = new QHBoxLayout;
         auto *name = new QLineEdit(v.first);
         auto *val  = new QLineEdit(v.second);
+        auto *del  = new QPushButton(QIcon(":/edit-delete.png"), "");
         name->setObjectName("varname");
         val->setObjectName("varval");
-        layout->addWidget(name, i, 0);
-        layout->addWidget(val, i, 1);
+        del->setObjectName(QString::number(i));
+        connect(del, &QPushButton::released, this, &SetVariables::del_row);
+        row->addWidget(name);
+        row->addWidget(val);
+        row->addWidget(del);
+        layout->addLayout(row);
         ++i;
     }
-    layout->addItem(new QSpacerItem(10, 10, QSizePolicy::Expanding, QSizePolicy::Expanding), i, 0);
-    layout->addWidget(buttonBox, i + 1, 0, 1, 2);
+    layout->addSpacerItem(new QSpacerItem(10, 10, QSizePolicy::Minimum, QSizePolicy::Expanding));
+
+    auto *buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel);
+    auto *add       = new QPushButton("&Add Row");
+    add->setObjectName("add_row");
+    buttonBox->addButton(add, QDialogButtonBox::ActionRole);
+    connect(add, &QPushButton::released, this, &SetVariables::add_row);
+    connect(buttonBox, &QDialogButtonBox::accepted, this, &SetVariables::accept);
+    connect(buttonBox, &QDialogButtonBox::rejected, this, &QDialog::reject);
+
+    layout->addWidget(buttonBox);
     setLayout(layout);
     setWindowTitle("LAMMPS-GUI - Set Variables");
     resize(500, 400);
@@ -48,8 +61,64 @@ SetVariables::SetVariables(QList<QPair<QString, QString>> &vars, QWidget *parent
 
 void SetVariables::accept()
 {
-    // store all data in settings class
-    // and then confirm accepting
+    // store all data in variables class and then confirm accepting
+    vars.clear();
+    int nrows = layout->count() - 2;
+    for (int i = 1; i < nrows; ++i) {
+        auto *row = layout->itemAt(i)->layout();
+        auto *var = dynamic_cast<QLineEdit *>(row->itemAt(0)->widget());
+        auto *val = dynamic_cast<QLineEdit *>(row->itemAt(1)->widget());
+        if (var && val) vars.append(qMakePair(var->text(), val->text()));
+    }
 
     QDialog::accept();
 }
+
+void SetVariables::add_row()
+{
+    int nrows  = layout->count();
+    auto *row  = new QHBoxLayout;
+    auto *name = new QLineEdit(QString());
+    auto *val  = new QLineEdit(QString());
+    auto *del  = new QPushButton(QIcon(":/edit-delete.png"), "");
+    name->setObjectName("varname");
+    val->setObjectName("varval");
+    del->setObjectName(QString::number(nrows - 2));
+    connect(del, &QPushButton::released, this, &SetVariables::del_row);
+    row->addWidget(name);
+    row->addWidget(val);
+    row->addWidget(del);
+    layout->insertLayout(nrows - 2, row);
+}
+
+void SetVariables::del_row()
+{
+    int nrows = layout->count();
+    auto *who = sender();
+    if (who) {
+        // figure out which row was deleted and delete its layout and widgets
+        int delrow = who->objectName().toInt();
+        auto *row  = layout->takeAt(delrow);
+        while (row->layout()->count() > 0) {
+            auto *item = row->layout()->takeAt(0);
+            row->layout()->removeItem(item);
+            if (item) {
+                delete item->widget();
+                delete item;
+            }
+        }
+        layout->removeItem(row);
+        delete row->layout();
+
+        // renumber the delete pushbutton names
+        for (int i = delrow; i < nrows - 3; ++i) {
+            auto *row    = layout->itemAt(i)->layout();
+            auto *widget = row->itemAt(2)->widget();
+            widget->setObjectName(QString::number(i));
+        }
+    }
+}
+
+// Local Variables:
+// c-basic-offset: 4
+// End:

tools/lammps-gui/setvariables.h

@@ -28,6 +28,12 @@ public:
 
 private slots:
     void accept() override;
+    void add_row();
+    void del_row();
+
+private:
+    QList<QPair<QString, QString>> &vars;
+    class QVBoxLayout *layout;
 };
 
 #endif