How to properly manage text and icon with QToolButton?

Question

I have code snippet looks like this:

nextPageBtn = new QToolButton();
nextPageBtn->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
nextPageBtn->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
nextPageBtn->setIcon(QIcon(":/next.png"));
nextPageBtn->setText("Next");

Currently I have two problems with this.

First:
I want the text is on the left of the icon, but with the code I provide, the text is on the right like this:

Second:
When the window is enlarged, I can not figure out a way to keep the text and icon in the center of the button. It looks like this when the button gets bigger:

Edit:
This is how I manage the layout:

nextPageHLayout = new QHBoxLayout; //This is the layout for QToolButton, it has two spacers and a QToolButton
mainVLayout->addLayout(nextPageHLayout); //mainVLayout is the main layout, and I put the mainVLayout to the central widget, and it also contains a QLabel above the nextPageHLayout

QSpacerItem *leftBtnSpacer = new QSpacerItem(1, 1, QSizePolicy::Expanding, QSizePolicy::Fixed);
nextPageHLayout->addSpacerItem(leftBtnSpacer);

nextPageBtn = new QToolButton(mainWidget);
nextPageHLayout->addWidget(nextPageBtn);
nextPageBtn->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
nextPageBtn->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
nextPageBtn->setIcon(QIcon(":/next.png"));
nextPageBtn->setText("Next");

QSpacerItem *rightBtnSpacer = new QSpacerItem(1, 1, QSizePolicy::Expanding, QSizePolicy::Fixed);
nextPageHLayout->addSpacerItem(rightBtnSpacer);

Answer 1

You must make the following changes:

• You should not change the size policy of the QToolButton, that's why it's expanding.

• You must change the layoutDirection to Qt::RightToLeft.

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QHBoxLayout * nextPageHLayout = new QHBoxLayout; //This is the layout for QToolButton, it has two spacers and a QToolButton
mainVLayout->addLayout(nextPageHLayout); //mainVLayout is the main layout, and it also contains a QLabel above the nextPageHLayout

QSpacerItem *leftBtnSpacer = new QSpacerItem(1, 1, QSizePolicy::Expanding, QSizePolicy::Minimum);
nextPageHLayout->addSpacerItem(leftBtnSpacer);

nextPageBtn = new QToolButton(mainWidget);
nextPageHLayout->addWidget(nextPageBtn);
nextPageBtn->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
nextPageBtn->setIcon(QIcon(":/next.png"));
nextPageBtn->setText("Next");
nextPageBtn->setLayoutDirection(Qt::RightToLeft);

QSpacerItem *rightBtnSpacer = new QSpacerItem(1, 1, QSizePolicy::Expanding, QSizePolicy::Minimum);
nextPageHLayout->addSpacerItem(rightBtnSpacer);