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Qt removes white space between widgets on QVBoxLayout

I have an unpleasant problem. I created a QVBoxLayout on which I added my widgets. This is a sample from my constructor:

layout = new QVBoxLayout;
layout->setMargin(0);
layout->setContentsMargins(QMargins(0,0,0,0));
layout->setSpacing(0);

And then I have a function to add widgets.

layout->addWidget(_wave);

_wave is my own widget. But you can add whatever you want, for example QButton.

What do I want to achieve? Similarly , but without any spaces between widgets added to the layout. Only QButtons or another widget tied to each other.

I have added everywhere setMargins, setSpacing, etc. Please help me with this, I really do not know what to do.

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, , . mainWindow, QWidget. . , , . , . - .

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  • "QFrame.setFrameShape()" "NoFrame"
  • "QFrame.seLineWidth()" 0.

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http://doc.qt.io/qt-5/qframe.html#lineWidth-prop

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// After all widgets are added to the layout
layout->insertStretch( -1, 1 );

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QPushButton:

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Soultion

, - stylesheet .

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0, :

 QPushButton {
     border: 2px solid #8f8f91;
     border-radius: 6px;
     background-color: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,
                                       stop: 0 #f6f7fa, stop: 1 #dadbde);
     min-width: 80px;
 }

// (further stylesheet for button click is needed)

:

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QPushButton, :

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+1

, , , - , . , , , . (http://doc.qt.io/qt-5/layout.html: )

It seems that you can implement the Layout class, which actually provides a very compact horizontal or vertical layout, and I believe that I wrote several years ago using Python and Qt. With this in mind, you should be able to implement your own MyCompactLayout(horizontal=True)and use it.

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