i have been looking at this and i dont know how to collect the valueChanged() signal.
i tried:
connect(ui->graphicsView->verticalScrollBar(), SIGNAL(valueChanged(int)),this, SLOT(warning(int value)));
connect(ui->graphicsView->verticalScrollBar(), SIGNAL(valueChanged(int)),this, SLOT(warning(int value)));
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and there is no signal available there.
I have also tried this(with no result):
connect(verticalSlider, SIGNAL(sliderMoved(int)), SLOT(warning(int value)) );
QAbstractSlider *verticalSlider = new QAbstractSlider(ui->graphicsView->verticalScrollBar());
connect(verticalSlider, SIGNAL(sliderMoved(int)), SLOT(warning(int value)) );
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