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Questions tagged [qdoublespinbox]

Use this tag for questions about the QDoubleSpinBox class - part of the Qt framework that provides a spin box widget that takes doubles. When using this tag also include the more generic [qt] tag where possible.

20 questions
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1 answer

Set QDoubleSpinBox value to an empty string, when not enabled

If I have a QDoubleSpinBox and have a method available called setEnabled which takes a boolean value. If this value is set to False, the QDoubleSpinBox will appear greyed, showing the number inside the Spin Button, but not allowing the user to type…
user12388651
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3 answers

Why is the precision of a QDoubleSpinBox sometimes higher than its decimals property allows?

In PySide2, if I create a QDoubleSpinBox and explicitly set its decimals-property to 2 and its singleStep-property to 0.1 and then change its value via the up/down buttons, the printed value sometimes has a much higher precision. Why is that…
S818
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1 answer

How to always show sign (+ or -) in QDoubleSpinbox?

If the value in the QDoubleSpinbox is positive, it shows no sign. If the value is changed to a negative one, it automatically adds the "-" sign. If the prefix is forced to "+", then the positive numbers will displayed with…
Alechan
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Connecting QSlider and QDoubleSpinBox gets stuck on certain values

I'm using mostly double spin boxes in my application and I'm connecting each one to a slider to sync up their values. The method I'm using works perfectly except when the spin box value reaches 0.28, 0.56, and 1.12. When using my scroll wheel to…
user13635572
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2
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1 answer

Dynamic convert qspinbox to qdoublespinbox

I have a qspinbox which use int values only. Also i have checkbox. If checkbox == 0, qspinbox must use int values only, but if checkbox == 1, qspinbox must use float values only. Is It possible? Maybe it is possible with qdoublespinbox?
Владимир Чернов
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1 answer

how to add an action to QtCore.Qt.DefaultContextMenu on Qdoublespinbox on right cilck?

I have developed a fairly complex GUI tool using the Qt Designer. For more details about the tool see: https://github.com/3fon3fonov/trifon I have defined many QDoubleSpinBox entries and by default the Qt Designer sets their right-click menu policy…
Trifon Trifonov
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1 answer

Is it possible to set only 100 Percent value share limit to all QDoubleSpinBoxes?

I want to share 100 percent value limit to all QDoubleSpinBoxes. If it is possible how to do? self.SpinBox_one = QtWidgets.QDoubleSpinBox() self.SpinBox_two = QtWidgets.QDoubleSpinBox() self.SpinBox_three = QtWidgets.QDoubleSpinBox() …
user3030327
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1 answer

QDoubleSpinBox which accept dots and also commas as a decimal separator

I need a spinbox which accept dots and also commas as a decimal separator. I've changed the Locale settings: self.setLocale(QLocale(QLocale.C)) Because of that, my spinbox accept a dot as a decimal separator. A comma also shows up on screen when the…
Nelli
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1 answer

How to mark the whole text by double clicking for QDoubleSpinBox?

I have a class which inherit from QDoubleSpinBox. class NumericEdit : public QDoubleSpinBox { public: NumericEdit( QWidget *p_parent = nullptr ); protected: bool event( QEvent *p_event ) override; void keyPressEvent( QKeyEvent…
songvan
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1 answer

Function validate of QAbstractSpinBox

I am reading this function in QT Docu It says QValidator::State QAbstractSpinBox::validate(QString &input, int &pos) const [virtual] This virtual function is called by the QAbstractSpinBox to determine whether input is valid. The pos parameter…
trangan
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2 answers

Make setDecimals work with overriden QDoubleSpinBox

iv'e changed QDoubleSpinbox because i wanted '.' instead of ',' but now setDecimals doesn't work... How do i retain the functionality of qdoublespinbox respective to setdecimals and retain my overriden class(or something equivalent/better)? I tried…
n00p
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1 answer

how to detect signals from cells within a QTableWidget that contain spinboxes or comboboxes?

I have a QTableWidget that is made up of two columns: Diameters and Areas I inserted QDoubleSpinBoxes into every cell. When I enter data into one, I want to be able to detect that and automatically generate the area using the value I inserted in the…
Mohamed El Kayal
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1 answer

Qdoublespinbox does not allow values less than 1

Qdoublespinbox does not allow values less than 1, decimal values with precision grater than 1, values in positive range 0.00 - 0.99 (for example). There is no problem with setting it´s value to 1.1, 1.11, 1,04, but not 0.5 .... it is rounding up…
yo.alucino
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1 answer

select all content upon receiving focus

I have the following problem, I have a QTableWidget to which I have added some QDoubleSpinBox to some cells, all good so far my question is how I can do to select all the content of the spinbox when changing the focus, I mean when pressing the key…
Lincoln Ingaroca
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Is there Qt function that allow me to insert QSpinBox to MainWindow?

I am creating SpinBox and then I am trying to make it visible inside my MainWindow. Is it any way to do it? Basically I am creating double array of Spinboxes dynamically in loop like this array=new QSpinBox *[y+1]; and in another loop like…
Mike
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