C++ GraphNode::getFunc方法代码示例

/**
 * Shows a list of function calls from the current node.
 * The list is displayed in a query dialogue. The user can the select which
 * calls should be displayed in the graph.
 * This slot is connected to the "List Called Functions" popup menu
 * action.
 */
void GraphWidget::slotListCalled()
{
	GraphNode* pNode;

	// Make sure the menu item is a node
	pNode = dynamic_cast<GraphNode*>(m_pMenuItem);
	if (pNode == NULL)
		return;
	
	QueryViewDlg dlg(0, (QWidget*)parent());
	
	// Show the query view dialogue
	dlg.query(CscopeFrontend::Called, pNode->getFunc());
	if (dlg.exec() != QDialog::Accepted)
		return;
		
	// The OK button was clicked, replace current calls with the listed ones
	pNode->removeOutEdges();
	
	QueryView::Iterator itr;
	CallData data;
	
	data.m_sCaller = pNode->getFunc();
	
	// Add all listed calls
	for (itr = dlg.getIterator(); !itr.isEOF(); itr.next()) {
		data.m_sCallee = itr.getFunc();
		data.m_sFile = itr.getFile();
		data.m_sLine = itr.getLine();
		data.m_sText = itr.getText();
		
		addCall(data);
	}
	
	// Clean-up and redraw the graph
	removeDisconnected(pNode);
	draw();
}

/**
 * Shows functions calling tothe current function node.
 * This slot is connected to the "Show Calling Functions" popup menu
 * action.
 */
void GraphWidget::slotShowCalling()
{
	GraphNode* pNode;
	
	// Make sure the menu item is a node
	pNode = dynamic_cast<GraphNode*>(m_pMenuItem);
	if (pNode == NULL)
		return;
	
	// Run a query for called functions
	m_sQueriedFunc = pNode->getFunc();
	m_bCalled = false;
	m_pCscope->query(CscopeFrontend::Calling, m_sQueriedFunc, true,
		Config().getGraphMaxNodeDegree());
}

/**
 * Deletes a node from the graph (alogn with all edges connected to this 
 * node).
 * The node removed is the one over which the context menu was invoked.
 * This slot is connected to the "Remove" popup menu action.
 */
void GraphWidget::slotRemoveNode()
{
	GraphNode* pNode;
	
	// Make sure the menu item is a node
	pNode = dynamic_cast<GraphNode*>(m_pMenuItem);
	if (pNode == NULL)
		return;
	
	// Remove all incoming edges
	pNode->removeInEdges();
	
	// Remove the node (also deletes the object and its outgoing edges)
	m_dictNodes.remove(pNode->getFunc());
	
	// Redraw the graph
	draw();
}

/**
 * Looks up the definition of the current function node.
 * This slot is connected to the "Find Definition" popup menu action.
 */
void GraphWidget::slotFindDef()
{
	GraphNode* pNode;
	QueryViewDlg* pDlg;
	
	// Make sure the menu item is a node
	pNode = dynamic_cast<GraphNode*>(m_pMenuItem);
	if (pNode == NULL)
		return;
	
	// Create a query view dialogue
	pDlg = new QueryViewDlg(QueryViewDlg::DestroyOnSelect, this);
	
	// Display a line when it is selected in the dialogue
	connect(pDlg, SIGNAL(lineRequested(const QString&, uint)), this,
		SIGNAL(lineRequested(const QString&, uint)));
		
	// Start the query
	pDlg->query(CscopeFrontend::Definition, pNode->getFunc());
}