incorrected QComboBox capture screen.

attached file : QComboBox capture.

apply code

Code:

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// ICAO CD
	cboIcao_cd->clear();
	cboIcao_cd->setModel(ComboDataCollection::getInstance().getTableModel(icao_cdModel, "TB_CNTRYCD", QStringList() << "ICAO_CD"));
	cboIcao_cd->setModelColumn(0);
 
	// Combo box Height
	cboIcao_cd->view()->setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded);
	QCompleter *p = new QCompleter(icao_cdModel);
	p->setCompletionMode(QCompleter::PopupCompletion);
	p->setMaxVisibleItems(20);
	cboIcao_cd->setCompleter(p);
	cboIcao_cd->show();

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The code execute, then QComboBox size is overflowed , like attached file.

What is incorrect it?

If someone has a simple example I'd greatly appreciate it.

You've set the max visible items on the completer popup, try setting setMaxVisibleItems(?) on your combobox.

I tried setting setMaxVisibleItems on my combobox, also QComboBox size is overflowed.

Using the code from your other thread the following worked:

Code:

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comboBox->setMaxVisibleItems(5);
	QCompleter *p = new QCompleter(queryModel);
        p->setMaxVisibleItems(3);

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