Add environment variable editor for capture dialog in Qt

2026-05-06 01:50:38 +00:00 · 2017-02-15 16:23:59 +00:00
parent a3e31489f8
commit 8b760ced92
7 changed files with 603 additions and 4 deletions
@@ -0,0 +1,260 @@
+/******************************************************************************
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2016-2017 Baldur Karlsson
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ ******************************************************************************/
+
+#include "EnvironmentEditor.h"
+#include <QCompleter>
+#include <QFontDatabase>
+#include <QKeyEvent>
+#include "Code/QRDUtils.h"
+#include "ui_EnvironmentEditor.h"
+
+Q_DECLARE_METATYPE(EnvironmentModification);
+
+EnvironmentEditor::EnvironmentEditor(QWidget *parent)
+    : QDialog(parent), ui(new Ui::EnvironmentEditor)
+{
+  ui->setupUi(this);
+
+  auto commitLambda = [this](QKeyEvent *event) {
+    if(event->key() == Qt::Key_Return || event->key() == Qt::Key_Enter)
+      on_addUpdate_clicked();
+  };
+
+  QObject::connect(ui->name, &RDLineEdit::keyPress, commitLambda);
+  QObject::connect(ui->value, &RDLineEdit::keyPress, commitLambda);
+
+  auto separatorLambda = [this]() { ui->separator->setEnabled(!ui->setValue->isChecked()); };
+
+  QObject::connect(ui->setValue, &QRadioButton::toggled, separatorLambda);
+  QObject::connect(ui->prependValue, &QRadioButton::toggled, separatorLambda);
+  QObject::connect(ui->appendValue, &QRadioButton::toggled, separatorLambda);
+
+  ui->separator->addItems({
+      ToQStr(eEnvSep_Platform), ToQStr(eEnvSep_SemiColon), ToQStr(eEnvSep_Colon), ToQStr(eEnvSep_None),
+  });
+
+  ui->separator->setCurrentIndex(0);
+
+  ui->setValue->setChecked(true);
+  ui->name->setFocus();
+
+  m_Completer = new QCompleter({}, this);
+
+  ui->name->setCompleter(m_Completer);
+
+  ui->variables->header()->setSectionResizeMode(0, QHeaderView::Interactive);
+  ui->variables->header()->setSectionResizeMode(1, QHeaderView::ResizeToContents);
+
+  ui->variables->setClearSelectionOnFocusLoss(false);
+  ui->variables->sortByColumn(0, Qt::DescendingOrder);
+
+  ui->variables->setFont(QFontDatabase::systemFont(QFontDatabase::FixedFont));
+}
+
+EnvironmentEditor::~EnvironmentEditor()
+{
+  delete ui;
+}
+
+void EnvironmentEditor::on_name_textChanged(const QString &text)
+{
+  int idx = existingIndex();
+
+  if(idx >= 0)
+  {
+    ui->addUpdate->setText(tr("Update"));
+    ui->deleteButton->setEnabled(true);
+
+    ui->variables->clearSelection();
+    ui->variables->topLevelItem(idx)->setSelected(true);
+  }
+  else
+  {
+    ui->addUpdate->setText(tr("Add"));
+    ui->deleteButton->setEnabled(false);
+
+    ui->addUpdate->setEnabled(!text.trimmed().isEmpty());
+  }
+}
+
+void EnvironmentEditor::on_variables_keyPress(QKeyEvent *event)
+{
+  if(event->key() == Qt::Key_Delete && ui->deleteButton->isEnabled())
+    on_deleteButton_clicked();
+}
+
+void EnvironmentEditor::on_variables_currentItemChanged(QTreeWidgetItem *current,
+                                                        QTreeWidgetItem *previous)
+{
+  QList<QTreeWidgetItem *> sel = ui->variables->selectedItems();
+
+  if(sel.isEmpty())
+    return;
+
+  EnvironmentModification mod = sel[0]->data(0, Qt::UserRole).value<EnvironmentModification>();
+
+  if(!mod.variable.isEmpty())
+  {
+    ui->name->setText(mod.variable);
+    ui->value->setText(mod.value);
+    ui->separator->setCurrentIndex((int)mod.separator);
+
+    if(mod.type == eEnvMod_Set)
+      ui->setValue->setChecked(true);
+    else if(mod.type == eEnvMod_Append)
+      ui->appendValue->setChecked(true);
+    else if(mod.type == eEnvMod_Prepend)
+      ui->prependValue->setChecked(true);
+  }
+}
+
+void EnvironmentEditor::on_addUpdate_clicked()
+{
+  EnvironmentModification mod;
+  mod.variable = ui->name->text();
+  mod.value = ui->value->text();
+  mod.separator = (EnvironmentSeparator)ui->separator->currentIndex();
+
+  if(ui->appendValue->isChecked())
+    mod.type = eEnvMod_Append;
+  else if(ui->prependValue->isChecked())
+    mod.type = eEnvMod_Prepend;
+  else
+    mod.type = eEnvMod_Set;
+
+  addModification(mod, false);
+
+  on_name_textChanged(ui->name->text());
+}
+
+void EnvironmentEditor::on_deleteButton_clicked()
+{
+  QList<QTreeWidgetItem *> sel = ui->variables->selectedItems();
+
+  if(sel.isEmpty())
+    return;
+
+  delete ui->variables->takeTopLevelItem(ui->variables->indexOfTopLevelItem(sel[0]));
+
+  on_name_textChanged(ui->name->text());
+}
+
+int EnvironmentEditor::existingIndex()
+{
+  QString name = ui->name->text();
+
+  for(int i = 0; i < ui->variables->topLevelItemCount(); i++)
+    if(ui->variables->topLevelItem(i)->text(0) == name)
+      return i;
+
+  return -1;
+}
+
+void EnvironmentEditor::addModification(EnvironmentModification mod, bool silent)
+{
+  if(mod.variable.trimmed() == "")
+  {
+    if(!silent)
+      RDDialog::critical(this, tr("Invalid variable"),
+                         tr("Environment variable cannot be just whitespace"));
+
+    return;
+  }
+
+  QTreeWidgetItem *node = NULL;
+
+  int idx = existingIndex();
+
+  if(idx < 0)
+  {
+    node = makeTreeNode({mod.variable, mod.GetTypeString(), mod.value});
+    ui->variables->addTopLevelItem(node);
+  }
+  else
+  {
+    node = ui->variables->topLevelItem(idx);
+    node->setText(0, mod.variable);
+    node->setText(1, mod.GetTypeString());
+    node->setText(2, mod.value);
+  }
+
+  node->setData(0, Qt::UserRole, QVariant::fromValue(mod));
+
+  ui->variables->clearSelection();
+  node->setSelected(true);
+
+  delete m_Completer;
+
+  QStringList names;
+  for(int i = 0; i < ui->variables->topLevelItemCount(); i++)
+    names << ui->variables->topLevelItem(i)->text(0);
+
+  m_Completer = new QCompleter(names, this);
+
+  ui->name->setCompleter(m_Completer);
+}
+
+QList<EnvironmentModification> EnvironmentEditor::modifications()
+{
+  QList<EnvironmentModification> ret;
+
+  for(int i = 0; i < ui->variables->topLevelItemCount(); i++)
+  {
+    EnvironmentModification mod =
+        ui->variables->topLevelItem(i)->data(0, Qt::UserRole).value<EnvironmentModification>();
+
+    if(!mod.variable.isEmpty())
+      ret.push_back(mod);
+  }
+
+  return ret;
+}
+
+void EnvironmentEditor::on_buttonBox_accepted()
+{
+  int idx = existingIndex();
+
+  if(idx >= 0 || ui->name->text().isEmpty())
+  {
+    accept();
+    return;
+  }
+
+  QMessageBox::StandardButton res = RDDialog::question(
+      this, tr("Variable not added"),
+      tr("You did not add the variable modification you were editing. Add it now?"),
+      RDDialog::YesNoCancel, QMessageBox::Yes);
+
+  if(res == QMessageBox::Yes)
+  {
+    on_addUpdate_clicked();
+  }
+  else if(res == QMessageBox::Cancel)
+  {
+    // don't close
+    return;
+  }
+
+  accept();
+}