- Adjusted zapping behavior to avoid displaying the "could not find" …

…dialog

- Added a "Refresh" button to refresh the current list of processes

mainwindow.cpp

@@ -19,6 +19,7 @@ MainWindow::MainWindow(QWidget *parent)
         this, &MainWindow::slot_set_control_states);
     connect(m_ui->button_CrashIt, &QPushButton::clicked, this, &MainWindow::slot_crash_it);
     connect(m_ui->button_Cancel, &QPushButton::clicked, qApp, &QApplication::quit);
+    connect(m_ui->button_Refresh, &QPushButton::clicked, this, &MainWindow::slot_manual_refresh);
 
     connect(m_ui->combo_Processes, static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged), this, &MainWindow::slot_process_changed);
 
@@ -36,6 +37,12 @@ MainWindow::~MainWindow()
     delete m_ui;
 }
 
+void MainWindow::slot_manual_refresh()
+{
+    m_refresh_button = true;
+    QTimer::singleShot(0, this, &MainWindow::slot_enumerate_processes);
+}
+
 void MainWindow::slot_process_changed(int index)
 {
     auto data = m_ui->combo_Processes->itemData(index).value<process_data_t>();
@@ -139,6 +146,8 @@ void MainWindow::slot_crash_it()
         }
     }
 
+    m_thunderbold_just_ran = true;
+
     slot_set_control_states();
 }
 
@@ -316,16 +325,20 @@ void MainWindow::slot_enumerate_processes()
             }
         }
 
-        if(parent_index == -1)
+        if(parent_index == -1 && !m_thunderbold_just_ran)
         {
             QMessageBox::critical(this, m_title, tr("Could not identify the Firefox process!"));
-            QTimer::singleShot(0, qApp, &QApplication::quit);
+            if(!m_refresh_button)
+                QTimer::singleShot(0, qApp, &QApplication::quit);
         }
         else
         {
             m_ui->combo_Processes->setCurrentIndex(parent_index);
             slot_process_changed(parent_index);
         }
+
+        m_thunderbold_just_ran = false;
+        m_refresh_button = false;
     }
 
     slot_set_control_states();

mainwindow.h

@@ -28,6 +28,7 @@ private slots:
     void slot_set_control_states();
     void slot_crash_it();
     void slot_enumerate_processes();
+    void slot_manual_refresh();
 
     void slot_thunderbolt_finished();
     void slot_process_changed(int index);
@@ -50,6 +51,20 @@ private slots:
       from the same thread (main).
      */
     int m_thunderbolt_thread_count{0};
+
+    /*!
+      Make note of the fact that we just launched the Thunderbolt
+      process to produce a crash.  If we haven't, then the lack
+      of a Firefox process will be noted to the user by a warning
+      dialog.
+     */
+    bool m_thunderbold_just_ran{false};
+
+    /*!
+      If we are enumerating process on demand by the user, then
+      don't automatically exit the application.
+     */
+    bool m_refresh_button{false};
 };
 
 using process_data_t = QPair<DWORD, QString>;

mainwindow.ui

@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>604</width>
-    <height>248</height>
+    <height>289</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -73,6 +73,19 @@
              </property>
             </widget>
            </item>
+           <item>
+            <widget class="QPushButton" name="button_Refresh">
+             <property name="maximumSize">
+              <size>
+               <width>80</width>
+               <height>16777215</height>
+              </size>
+             </property>
+             <property name="text">
+              <string>Refresh</string>
+             </property>
+            </widget>
+           </item>
           </layout>
          </item>
          <item>