Add Qt main window to be triggered by start_gui

CMakeLists.txt

@@ -108,12 +108,16 @@ endif()
 
 include_directories(${PROJECT_SOURCE_DIR}/src ${GENDIR}/src ${CMAKE_CURRENT_BINARY_DIR}/include/)
 
+set(QRC_MAIN_WINDOW src/MainWindow/main_window_resource.qrc)
+
 # Put source code here, files that are generated at build time in
 # foedag_generated_SRC
 set(foedag_SRC
   src/Tcl/TclInterpreter.cpp
   src/Command/Command.cpp
   src/Command/CommandStack.cpp
+  src/MainWindow/main_window.cpp
+  ${QRC_MAIN_WINDOW}
 )
 
 add_library(foedag STATIC ${foedag_SRC})
@@ -125,7 +129,7 @@ target_include_directories(foedag PRIVATE
   third_party/googletest/googlemock/include)
 target_include_directories(foedag PUBLIC $<INSTALL_INTERFACE:include/foedag>)
 
-add_executable(foedag-bin ${PROJECT_SOURCE_DIR}/src/Main/main.cpp)
+add_executable(foedag-bin ${PROJECT_SOURCE_DIR}/src/Main/main.cpp ${QRC_MAIN_WINDOW})
 set_target_properties(foedag-bin PROPERTIES OUTPUT_NAME foedag)
 
 add_custom_target(tcl_build DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/lib/libtcl9.0.a)
@@ -267,6 +271,10 @@ if (WIN32 AND $<CONFIG:Debug>)
     DESTINATION ${CMAKE_INSTALL_LIBDIR}/foedag)
 endif()
 
+install(
+  FILES ${PROJECT_SOURCE_DIR}/src/MainWindow/main_window.h
+  DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/foedag/MainWindow)
+
 install(
   FILES ${PROJECT_SOURCE_DIR}/src/Tcl/TclInterpreter.h
   DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/foedag/Tcl)

src/Main/main.cpp

@@ -34,13 +34,14 @@
 #include <vector>
 
 #include "Command/CommandStack.h"
+#include "MainWindow/main_window.h"
 #include "Tcl/TclInterpreter.h"
 
 static int GuiStartCmd(ClientData clientData, Tcl_Interp* interp, int argc,
                        const char** argv) {
   QApplication app(argc, (char**)argv);
-  QLabel* label = new QLabel("Hello Qt!");
-  label->show();
+  MainWindow main_win;
+  main_win.show();
   return app.exec();
 }
 

src/MainWindow/main_window.cpp

@@ -0,0 +1,79 @@
+#include "main_window.h"
+
+#include <QTextStream>
+#include <QtWidgets>
+#include <fstream>
+
+MainWindow::MainWindow() {
+  /* Window settings */
+  setWindowTitle(tr("FOEDAG"));
+  resize(350, 250);
+
+  /* Create actions that can be added to menu/tool bars */
+  createActions();
+
+  /* Create menu bars */
+  createMenus();
+
+  /* Create tool bars */
+  createToolBars();
+
+  /* Create status bar */
+  statusBar();
+
+  /* Add dummy text editors */
+  QTextEdit* editor1 = new QTextEdit;
+  QTextEdit* editor2 = new QTextEdit;
+  QTextEdit* editor3 = new QTextEdit;
+
+  /* Add widgets into floorplanning */
+  QSplitter* leftSplitter = new QSplitter(Qt::Horizontal);
+  leftSplitter->addWidget(editor1);
+  leftSplitter->setStretchFactor(1, 1);
+
+  QDockWidget* texteditorDockWidget = new QDockWidget(tr("Text Editor"));
+  texteditorDockWidget->setObjectName("texteditorDockWidget");
+  texteditorDockWidget->setWidget(editor2);
+  texteditorDockWidget->setAllowedAreas(Qt::LeftDockWidgetArea |
+                                        Qt::RightDockWidgetArea);
+  addDockWidget(Qt::RightDockWidgetArea, texteditorDockWidget);
+
+  QSplitter* mainSplitter = new QSplitter(Qt::Vertical);
+  mainSplitter->addWidget(leftSplitter);
+  mainSplitter->addWidget(editor3);
+  mainSplitter->setStretchFactor(1, 1);
+
+  setCentralWidget(mainSplitter);
+
+  statusBar()->showMessage("Ready");
+}
+
+void MainWindow::newFile() {
+  QTextStream out(stdout);
+  out << "New file is requested" << endl;
+}
+
+void MainWindow::createMenus() {
+  fileMenu = menuBar()->addMenu(tr("&File"));
+  fileMenu->addAction(newAction);
+  fileMenu->addSeparator();
+  fileMenu->addAction(exitAction);
+}
+
+void MainWindow::createToolBars() {
+  fileToolBar = addToolBar(tr("&File"));
+  fileToolBar->addAction(newAction);
+}
+
+void MainWindow::createActions() {
+  newAction = new QAction(tr("&New"), this);
+  newAction->setIcon(QIcon(":/images/icon_newfile.png"));
+  newAction->setShortcut(QKeySequence::New);
+  newAction->setStatusTip(tr("Create a new source file"));
+  connect(newAction, SIGNAL(triggered()), this, SLOT(newFile()));
+
+  exitAction = new QAction(tr("E&xit"), this);
+  exitAction->setShortcut(tr("Ctrl+Q"));
+  exitAction->setStatusTip(tr("Exit the application"));
+  connect(exitAction, &QAction::triggered, qApp, &QApplication::quit);
+}

src/MainWindow/main_window.h

@@ -0,0 +1,34 @@
+#ifndef MAIN_WINDOW_H
+#define MAIN_WINDOW_H
+
+#include <QMainWindow>
+
+class QAction;
+class QLabel;
+
+/** Main window of the program */
+class MainWindow : public QMainWindow {
+  Q_OBJECT
+
+ public: /*-- Constructor --*/
+  MainWindow();
+
+ private slots: /* slots */
+  void newFile();
+
+ private: /* Menu bar builders */
+  void createMenus();
+  void createToolBars();
+  void createActions();
+
+ private: /* Objects/Widgets under the main window */
+  /* Menu bar objects */
+  QMenu* fileMenu;
+  QAction* newAction;
+  QAction* exitAction;
+
+  /* Tool bar objects */
+  QToolBar* fileToolBar;
+};
+
+#endif

src/MainWindow/main_window_resource.qrc

@@ -0,0 +1,5 @@
+<RCC>
+  <qresource>
+    <file>images/icon_newfile.png</file>
+  </qresource>
+</RCC>