We can now load lua scripts properly

src/panda_qt/text_editor.cpp

@@ -1,6 +1,10 @@
 #include "panda_qt/text_editor.hpp"
+
+#include <QPushButton>
 #include <QVBoxLayout>
 
+#include "panda_qt/main_window.hpp"
+
 using namespace Zep;
 
 TextEditorWindow::TextEditorWindow(QWidget* parent, const std::string& filename, const std::string& initialText)
@@ -13,8 +17,25 @@ TextEditorWindow::TextEditorWindow(QWidget* parent, const std::string& filename,
 
 	zepWidget.GetEditor().SetGlobalMode(Zep::ZepMode_Standard::StaticName());
 	zepWidget.GetEditor().InitWithText(filename, initialText);
-	
+
 	QVBoxLayout* mainLayout = new QVBoxLayout();
 	setLayout(mainLayout);
+
+	QPushButton* button = new QPushButton(tr("Load script"), this);
+	button->setFixedSize(100, 20);
+
+	connect(button, &QPushButton::pressed, this, [this]() {
+		if (parentWidget()) {
+			auto buffer = zepWidget.GetEditor().GetMRUBuffer();
+			const std::string text = buffer->GetBufferText(buffer->Begin(), buffer->End());
+
+			static_cast<MainWindow*>(parentWidget())->loadLuaScript(text);
+		} else {
+			// This should be unreachable, only here for safety purposes
+			printf("Text editor does not have any parent widget, click doesn't work :(\n");
+		}
+	});
+
+	mainLayout->addWidget(button);
 	mainLayout->addWidget(&zepWidget);
 }