further development on rewrite

app/core.cpp

@@ -0,0 +1,74 @@
+#include "core.h"
+
+#include <QApplication>
+#include <QCommandLineParser>
+#include <QDebug>
+
+#include "ui/icons/icons.h"
+#include "ui/style/style.h"
+
+Core olive::core;
+
+Core::Core() :
+  main_window_(nullptr)
+{
+}
+
+void Core::Start()
+{
+  //
+  // Parse command line arguments
+  //
+
+  QCommandLineParser parser;
+  parser.addHelpOption();
+  parser.addVersionOption();
+
+  // Project from command line option
+  // FIXME: What's the correct way to make an "optional" positional argument?
+  parser.addPositionalArgument("[project]", tr("Project to open on startup"));
+
+  // Create fullscreen option
+  QCommandLineOption fullscreen_option({"f", "fullscreen"}, tr("Start in full screen mode"));
+  parser.addOption(fullscreen_option);
+
+  // Parse options
+  parser.process(*QApplication::instance());
+
+  QStringList args = parser.positionalArguments();
+
+  // Detect project to load on startup
+  if (!args.isEmpty()) {
+    startup_project_ = args.first();
+  }
+
+
+
+  //
+  // Start GUI
+  //
+
+  // Load all icons
+  olive::icon::LoadAll();
+
+  // Set UI style
+  olive::style::SetDefault();
+
+  // Create main window and open it
+  main_window_ = new olive::MainWindow();
+  if (parser.isSet(fullscreen_option)) {
+    main_window_->showFullScreen();
+  } else {
+    main_window_->showMaximized();
+  }
+}
+
+void Core::Stop()
+{
+  delete main_window_;
+}
+
+olive::MainWindow *Core::main_window()
+{
+  return main_window_;
+}