Fix crash

gui/GraphEditorWidget.cpp

@@ -496,6 +496,12 @@ void GraphEditorWidget::scheduleSaveLayout() {
   }
 }
 
+GraphEditorWidget::~GraphEditorWidget() {
+  if (m_client) {
+    m_client->SetChangeCallback(nullptr);
+  }
+}
+
 int GraphEditorWidget::nodeCount() const {
   return static_cast<int>(m_model->allNodeIds().size());
 }
@@ -712,6 +718,13 @@ void GraphEditorWidget::showNodeContextMenu(const QPoint &screenPos,
     deleteAction->setShortcut(QKeySequence::Delete);
   }
 
+  QAction *createRuleAction = nullptr;
+  if (type == WarpNodeType::kApplication) {
+    menu.addSeparator();
+    createRuleAction = menu.addAction(QStringLiteral("Create Rule..."));
+  }
+
+  menu.addSeparator();
   QAction *pasteAction = menu.addAction(QStringLiteral("Paste"));
   pasteAction->setShortcut(QKeySequence::Paste);
   pasteAction->setEnabled(!m_clipboardJson.isEmpty() ||
@@ -732,6 +745,10 @@ void GraphEditorWidget::showNodeContextMenu(const QPoint &screenPos,
     deleteSelection();
   } else if (chosen == pasteAction) {
     pasteSelection(QPointF(0, 0));
+  } else if (chosen == createRuleAction) {
+    showAddRuleDialog(data->info.application_name,
+                      data->info.process_binary,
+                      data->info.media_role);
   }
 }
 
@@ -1476,14 +1493,14 @@ void GraphEditorWidget::rebuildRulesList() {
       infoLayout->addWidget(matchLabel);
 
       auto *targetLabel = new QLabel(
-          QStringLiteral("\xe2\x86\x92 ") +
+          QString(QChar(0x2192)) + QStringLiteral(" ") +
           QString::fromStdString(rule.target_node));
       targetLabel->setStyleSheet(labelStyle);
       infoLayout->addWidget(targetLabel);
 
       cardLayout->addLayout(infoLayout, 1);
 
-      auto *delBtn = new QPushButton(QStringLiteral("\xe2\x9c\x95"));
+      auto *delBtn = new QPushButton(QString(QChar(0x2715)));
       delBtn->setFixedSize(24, 24);
       delBtn->setStyleSheet(delBtnStyle);
       warppipe::RuleId ruleId = rule.id;
@@ -1500,13 +1517,15 @@ void GraphEditorWidget::rebuildRulesList() {
   auto *addBtn = new QPushButton(QStringLiteral("Add Rule..."));
   addBtn->setStyleSheet(btnStyle);
   connect(addBtn, &QPushButton::clicked, this,
-          &GraphEditorWidget::showAddRuleDialog);
+          [this]() { showAddRuleDialog(); });
   layout->addWidget(addBtn);
 
   static_cast<QVBoxLayout *>(layout)->addStretch();
 }
 
-void GraphEditorWidget::showAddRuleDialog() {
+void GraphEditorWidget::showAddRuleDialog(const std::string &prefillApp,
+                                          const std::string &prefillBin,
+                                          const std::string &prefillRole) {
   if (!m_client)
     return;
 
@@ -1529,14 +1548,20 @@ void GraphEditorWidget::showAddRuleDialog() {
 
   auto *appNameEdit = new QLineEdit();
   appNameEdit->setPlaceholderText(QStringLiteral("e.g. Firefox"));
+  if (!prefillApp.empty())
+    appNameEdit->setText(QString::fromStdString(prefillApp));
   form->addRow(QStringLiteral("Application Name:"), appNameEdit);
 
   auto *processBinEdit = new QLineEdit();
   processBinEdit->setPlaceholderText(QStringLiteral("e.g. firefox"));
+  if (!prefillBin.empty())
+    processBinEdit->setText(QString::fromStdString(prefillBin));
   form->addRow(QStringLiteral("Process Binary:"), processBinEdit);
 
   auto *mediaRoleEdit = new QLineEdit();
   mediaRoleEdit->setPlaceholderText(QStringLiteral("e.g. Music"));
+  if (!prefillRole.empty())
+    mediaRoleEdit->setText(QString::fromStdString(prefillRole));
   form->addRow(QStringLiteral("Media Role:"), mediaRoleEdit);
 
   auto *targetCombo = new QComboBox();

gui/GraphEditorWidget.h

@@ -35,6 +35,7 @@ class GraphEditorWidget : public QWidget {
 public:
   explicit GraphEditorWidget(warppipe::Client *client,
                              QWidget *parent = nullptr);
+  ~GraphEditorWidget() override;
 
   int nodeCount() const;
   int linkCount() const;
@@ -73,7 +74,9 @@ private:
   void updateMeters();
   void rebuildNodeMeters();
   void rebuildRulesList();
-  void showAddRuleDialog();
+  void showAddRuleDialog(const std::string &prefillApp = {},
+                         const std::string &prefillBin = {},
+                         const std::string &prefillRole = {});
 
   struct PendingPasteLink {
     std::string outNodeName;