[Interest] Subclassing QTreeItemWidget seg faults when adding child
Michael Jackson
imikejackson at gmail.com
Thu Jun 7 18:40:24 CEST 2012
I decided to subclass QTreeItemWidget in order to add some custom behavior and catch/emit signals slots. Here is my class decl:
class PMDirTWI : public QObject, public QTreeWidgetItem
{
Q_OBJECT;
public:
PMDirTWI(QString outputDir, QString pathTemplate,
QString dirName,
QString codeTemplateResourcePath,
QTreeWidget* parent = 0);
PMDirTWI(QString outputDir, QString pathTemplate,
QString dirName,
QString codeTemplateResourcePath,
QTreeWidgetItem* parent = 0);
virtual ~PMDirTWI();
...
...
};
And some example code of how I am using it:
QString pathTemplate = "@PluginName@";
PMDirTWI* F_Doc = new PMDirTWI(m_OutputDir->text(), pathTemplate, QString("Documentation"), QString(""), F_main);
connect(m_PluginName, SIGNAL(textChanged(const QString &)),
F_Doc, SLOT(pluginNameChanged(const QString &)));
QTreeWidgetItem* F_namefilters = new QTreeWidgetItem(F_doc); <====== CRASHES IN THIS CALL
F_namefilters->setText(0, "Unknown Plugin Name");
The program dies in QTreeItemWidget->addChild() method. I know this is probably something simple but I just can not "see" what I am doing wrong. Any suggestions would be appreciated.
Thanks
Mike Jackson
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