window: add scrollarea for button grid

window.cpp

@@ -26,6 +26,7 @@
 #include <QDebug>
 #include <QMenu>
 #include <QClipboard>
+#include <QScrollArea>
 #include "window.h"
 #include "configprovider.h"
 Window::Window(ConfigProvider &configProvider)
@@ -94,11 +95,17 @@ QVector<EntryPushButton*> Window::generateEntryButtons(const QVector<EntryConfig
 void Window::createGui()
 {
   QVBoxLayout *vbox = new QVBoxLayout(this);
+  QScrollArea *sa = new QScrollArea;
   grid = new QGridLayout();
   lineEdit = new QLineEdit();
+  QWidget *w = new QWidget(this);
+  w->setLayout(grid);
+  sa->setWidget(w);
+  sa->setWidgetResizable(true);
   vbox->setAlignment(Qt::AlignTop);
   vbox->addWidget(lineEdit);
-	vbox->addLayout(grid);
+  vbox->addWidget(sa);
+
   connect(lineEdit, &QLineEdit::textChanged, this, [this](QString newtext) { this->lineEditTextChanged(newtext); });
   connect(lineEdit, &QLineEdit::returnPressed, this, &Window::lineEditReturnPressed);
 }