/**
* 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();
}
/**
* Shows a list of function calls to 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 Calling Functions" popup menu
* action.
*/
void GraphWidget::slotListCalling()
{
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::Calling, pNode->getFunc());
if (dlg.exec() != QDialog::Accepted)
return;
// The OK button was clicked, replace current calls with the listed ones
pNode->removeInEdges();
QueryView::Iterator itr;
CallData data;
data.m_sCallee = pNode->getFunc();
// Add all listed calls
for (itr = dlg.getIterator(); !itr.isEOF(); itr.next()) {
data.m_sCaller = 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();
}