[cpp] Add catch and qt examples

cpp/qt/slots/slots-app.cpp

@@ -0,0 +1,42 @@
+/*##############################################################################
+## Author: Shaun Reed                                                         ##
+## Legal: All Content (c) 2022 Shaun Reed, all rights reserved                ##
+## About: MainWindow application for practice using signals and slots in Qt   ##
+##                                                                            ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0   ##
+################################################################################
+*/
+
+#include "slots-app.h"
+#include "text-view.h"
+
+SlotsApp::SlotsApp(QWidget *parent) : QMainWindow(parent) {
+
+  auto textBox = new QPlainTextEdit;
+  auto textView = new TextView;
+  auto frame = new QFrame;
+
+  auto dock = new QDockWidget(this);
+  auto dockWidget = new QWidget;
+  auto dockWidgetLayout = new QVBoxLayout;
+  dockWidgetLayout->addWidget(frame);
+  dockWidgetLayout->addWidget(textBox);
+  dockWidget->setLayout(dockWidgetLayout);
+  dock->setWidget(dockWidget);
+
+  auto dock2 = new QDockWidget(this);
+  auto dockWidget2 = new QWidget;
+  auto dockWidgetLayout2 = new QVBoxLayout;
+  dockWidgetLayout2->addWidget(textView);
+  dockWidget2->setLayout(dockWidgetLayout2);
+  dock2->setWidget(dockWidget2);
+
+  textBox->setReadOnly(true);
+  textBox->appendPlainText("Test 1");
+  textBox->appendPlainText("Test 2");
+
+  addDockWidget(Qt::DockWidgetArea::BottomDockWidgetArea, dock);
+  addDockWidget(Qt::DockWidgetArea::BottomDockWidgetArea, dock2);
+  connect(this, &SlotsApp::sendTest, textView, &TextView::test);
+  sendTest();
+}