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QScrollBar never visible in my QWidget

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kdewilde

Beginner

  • "kdewilde" started this thread

Posts: 7

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1

Friday, February 20th 2009, 6:32pm

QScrollBar never visible in my QWidget

Hello,
I have QWidget with a QTableWidget and 2 QScrollBars, one horizontal and one vertical.
I cannot use the scrollbars of the QTableWidget because the scrollbars reach up to the table headers, which I don't want.
When this widget is visible (see code below) I cannot see the scrollbars, they never appear. Do you know why?
Thank you.

Source code

 
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DynamicTable::DynamicTable(int rows, int columns, QWidget * parent)
: QWidget(parent)
{
QScrollBar vScrollBar(Qt::Vertical);
QScrollBar hScrollBar(Qt::Horizontal);
vScrollBar.setMinimum(0);
vScrollBar.setSingleStep(1);
vScrollBar.setMaximum(50);
vScrollBar.setValue(10);
vScrollBar.setPageStep(10);
hScrollBar.setMinimum(0);
hScrollBar.setSingleStep(1);
hScrollBar.setMaximum(50);
hScrollBar.setValue(10);
hScrollBar.setPageStep(10);
hScrollBar.setMinimumSize(QSize(50,50));
QSizePolicy sp(QSizePolicy::Minimum,QSizePolicy::Minimum);
hScrollBar.setSizePolicy(sp);

QHBoxLayout * horizontalLayout = new QHBoxLayout();
QVBoxLayout * verticalLayout = new QVBoxLayout();
QTableWidget table;
table.setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
table.setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
table.setRowCount(rows);
table.setColumnCount(columns);

horizontalLayout->addWidget(&vScrollBar);
horizontalLayout->addWidget(&table);
vScrollBar.setVisible(true);

verticalLayout->addLayout(horizontalLayout);
verticalLayout->addWidget(&hScrollBar);
hScrollBar.setVisible(true);

setLayout(verticalLayout); fillTable(); // some function which adds stuff in the QTableWidget
}

Messenger

Professional

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Posts: 1,286

Location: Lt

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2

Friday, February 20th 2009, 6:44pm

Source code

 
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DynamicTable::DynamicTable(int rows, int columns, QWidget * parent)
: QWidget(parent)
{
QScrollBar vScrollBar(Qt::Vertical);
QScrollBar hScrollBar(Qt::Horizontal);
// after this function exit these objects will be autodestroyed.
Fighting fire with fire.
Three can keep a secret if two of them are dead.

kdewilde

Beginner

  • "kdewilde" started this thread

Posts: 7

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3

Monday, February 23rd 2009, 1:07pm

QScrollBar never visible in my QWidget

You are right! I suppose I was asleep while writing this code... :sleeping:
Thank you for this reply.