I am facing issues when I adjust QCheckbox
into QTableWidget
.
It is working as expected in Mac and Linux but creating problem in Windows.
I have googled it and tried out different solutions, but it did not solve my problem.
Code:
QWidget* cellWidget = new QWidget();
QCheckBox *box = new QCheckBox();
box->setCheckState(Qt::Unchecked);
QHBoxLayout* layout = new QHBoxLayout(cellWidget);
layout->addWidget(box);
layout->setAlignment(Qt::AlignCenter);
layout->setContentsMargins(0, 0, 0, 0);
cellWidget->setLayout(layout);
ui->twidget_header->setCellWidget(0, 0, cellWidget);
Mac OS O/P : As Expected
Win OS O/P : Problem with Checkbox size and alignment
My app is created in Qt 5.9
for Mac, Win and Linux platform. Let me know if you required more info about the problem.
The design and size of the widgets are determined by the style. To override the native style (whatever QApplication
sets as default on your target system) you'll have to derive your own QStyle
for that target system and and reimplement pixelMetric()
to return the appropriate values for QStyle::PM_IndicatorWidth
and QStyle::PM_IndicatorHeight
(I think; didn't check that).
The problem can happen with any QWidget while you create Qt app and support different resolutions.
To overcome the size of the QWidget
(QCheckbox/QRadiobutton), you just need to overwrite the QWidget class.
Create customcheckbox.h
file and overwrite the QCheckbox
widget.
class CustomCheckBox : public QCheckBox
{
Q_OBJECT
public:
CustomCheckBox(QWidget *parent=NULL);
private:
bool m_isChecked;
public slots:
void emitToggleSignal(bool);
};
Implement customcheckbox.cpp
file as per your requirement.
By doing this, QCheckbox
will automatically adjust size on respective resolution.
Hope this will save someone's time in future.
Thanks.
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