How to update statusbar and tooltips

[aamer4yu]

Ok.. here is the code of the function which gets called on button click from the toolbar.

void CMainWindow::OnNextPipelineAction()
{
	m_pipeline_stages.HighlightNextStage();
 
	QString s = QString("PL %1").arg(m_pipeline_stages.m_current_stage_number);
	nextPipelineAction->setText(s);
	nextPipelineAction->setToolTip(m_pipeline_stages.GetCurrentStage().RowsCovered());
	nextPipelineAction->setStatusTip(m_pipeline_stages.GetCurrentStage().RowsCovered());
 
	QCoreApplication::processEvents();
	update();
 
}

void CMainWindow::OnNextPipelineAction()
{
	m_pipeline_stages.HighlightNextStage();

	QString s = QString("PL %1").arg(m_pipeline_stages.m_current_stage_number);
	nextPipelineAction->setText(s);
	nextPipelineAction->setToolTip(m_pipeline_stages.GetCurrentStage().RowsCovered());
	nextPipelineAction->setStatusTip(m_pipeline_stages.GetCurrentStage().RowsCovered());

	QCoreApplication::processEvents();
	update();

}

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Here I am setting the text, tooltip and statustip of the button. I want that as soon as the button is pressed, the updated tooltip and statustip are displayed immediately.

the processevents and update are not helping in this regard. What am I missing