Set more generous minimums. Flicker seems to have nothing to do with minimum size. I get it even for fairly large dimensions after scaling down from a much larger size. Similar to issues with zoom from about a month ago, before unc0rr fixed them.
#include <QScrollArea>
#include <QMainWindow>
#include <QLabel>
#include <QListWidget>
#include <QPushButton>
#include "pixlabel.h"
class MyWindow : public QMainWindow
{
Q_OBJECT
public:
MyWindow(QWidget * parent = 0, Qt::WFlags flags = 0);
private:
QScrollArea * sa_xy;
PixLabel * xy;
QPushButton * buttAdd;
QPushButton * buttCode;
QPushButton * buttSave;
QPushButton * buttLoad;
private slots:
void Code();
void Save();
void Load();
};