/**
* Ensures the current page is a query page that is ready to accept new
* queries.
* The function first checks the current page. If it is an unlocked query
* page, then nothing needs to be done. Otherwise, it checks for the first
* unlocked query page by iterating over all pages in the tab widget. If this
* fails as well, a new query page is created.
*/
void QueryWidget::findQueryPage()
{
QueryPage* pPage;
int nPages, i;
// First check if the current page is an unlocked query page
pPage = dynamic_cast<QueryPage*>(currentPage());
if (pPage != NULL) {
if (!pPage->isLocked() && !pPage->isRunning())
return;
}
// Look for the first unlocked query page
nPages = m_pQueryTabs->count();
for (i = 0; i < nPages; i++) {
pPage = dynamic_cast<QueryPage*>(m_pQueryTabs->widget(i));
if (pPage != NULL) {
if (!pPage->isLocked() && !pPage->isRunning()) {
setCurrentPage(pPage);
return;
}
}
}
// Couldn't find an unlocked query page, create a new one
addQueryPage();
}
/**
* Update the lock button when the current query page changes.
* @param pWidget The new current page
*/
void QueryWidget::slotCurrentChanged(QWidget* pWidget)
{
QueryPage* pPage;
pPage = (QueryPage*)pWidget;
m_pLockAction->setChecked(pPage->isLocked());
}
/**
* Update the lock button when the current query page changes.
* @param pWidget The new current page
*/
void QueryWidget::slotCurrentChanged(QWidget* pWidget)
{
QueryPage* pPage;
// Return immediatly if last tab was removed
if (!pWidget) return;
pPage = (QueryPage*)pWidget;
m_pLockAction->setChecked(pPage->isLocked());
}
/**
* Runs a query in a query page.
* A query page is first selected, with a new one created if required. The
* method then creates a Cscope process and runs the query.
* @param nType The query's numeric type code
* @param sText The query's text, as entered by the user
*/
void QueryWidget::initQuery(uint nType, const QString& sText)
{
QueryPage* pPage;
// Make sure we have a query page
findQueryPage();
pPage = (QueryPage*)currentPage();
// Use the current page, or a new page if the current one is locked
if (pPage->isLocked()) {
addQueryPage();
pPage = (QueryPage*)currentPage();
}
// Reset the page's results list
pPage->clear();
pPage->query(nType, sText);
// Set the page's tab text according to the new query
setPageCaption(pPage);
}