File indexing completed on 2024-12-01 05:18:25

 /*
     kfinddlg.cpp
 
     SPDX-License-Identifier: GPL-2.0-or-later
 
 */
 
 #include "kfinddlg.h"
 
 #include <QDialogButtonBox>
 #include <QHBoxLayout>
 #include <QPushButton>
 #include <QStatusBar>
 
 #include <KAboutApplicationDialog>
 #include <KAboutData>
 #include <KGuiItem>
 #include <KHelpMenu>
 #include <KLocalizedString>
 #include <KMessageBox>
 
 #include "kftabdlg.h"
 #include "kquery.h"
 #include "kfindtreeview.h"
 
 KfindDlg::KfindDlg(const QUrl &url, QWidget *parent)
     : QDialog(parent)
 {
     QHBoxLayout *mainLayout = new QHBoxLayout(this);
     setModal(true);
     QWidget::setWindowTitle(i18nc("@title:window", "Find Files/Folders"));
 
     QFrame *frame = new QFrame;
     mainLayout->addWidget(frame);
 
     // create tabwidget
     tabWidget = new KfindTabWidget(frame);
     mainLayout->addWidget(tabWidget);
     tabWidget->setURL(url);
 
     // prepare window for find results
     win = new KFindTreeView(frame, this);
 
     mStatusBar = new QStatusBar(frame);
     
     m_labelStatus = new QLabel(mStatusBar);
     m_labelStatus->setAlignment (Qt::AlignLeft | Qt::AlignVCenter);
     m_labelStatus->setText(i18nc("the application is currently idle, there is no active search", "Idle."));
 
     m_labelProgress = new QLabel(mStatusBar);
     m_labelProgress->setAlignment (Qt::AlignRight | Qt::AlignVCenter);
     m_labelProgress->setText(QString());
     
     mStatusBar->addWidget(m_labelStatus, 1);
     mStatusBar->addWidget(m_labelProgress, 0);
     
     QVBoxLayout *vBox = new QVBoxLayout(frame);
     vBox->addWidget(tabWidget, 0);
     vBox->addWidget(win, 1);
     vBox->addWidget(mStatusBar, 0);
 
     QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Help | QDialogButtonBox::Close, this);
     m_findButton = new QPushButton;
     buttonBox->addButton(m_findButton, QDialogButtonBox::ActionRole);
     m_stopButton = new QPushButton;
     buttonBox->addButton(m_stopButton, QDialogButtonBox::ActionRole);
     m_saveAsButton = new QPushButton;
     buttonBox->addButton(m_saveAsButton, QDialogButtonBox::ActionRole);
     buttonBox->setOrientation(Qt::Vertical);
     m_findButton->setDefault(true);
 
     KGuiItem::assign(m_findButton, KStandardGuiItem::find());
     KGuiItem::assign(m_stopButton, KStandardGuiItem::stop());
     KGuiItem::assign(m_saveAsButton, KStandardGuiItem::saveAs());
 
     m_findButton->setEnabled(true); // Enable "Find"
     m_stopButton->setEnabled(false); // Disable "Stop"
     m_saveAsButton->setEnabled(false); // Disable "Save As..."
 
     mainLayout->addWidget(buttonBox);
 
     connect(tabWidget, &KfindTabWidget::startSearch, this, &KfindDlg::startSearch);
     connect(m_findButton, &QPushButton::clicked, this, &KfindDlg::startSearch);
     connect(m_stopButton, &QPushButton::clicked, this, &KfindDlg::stopSearch);
     connect(m_saveAsButton, &QPushButton::clicked, win, &KFindTreeView::saveResults);
 
     connect(buttonBox->button(QDialogButtonBox::Close), &QPushButton::clicked, this, &KfindDlg::finishAndClose);
 
     connect(win, &KFindTreeView::resultSelected, this, &KfindDlg::resultSelected);
 
     query = new KQuery(frame);
     connect(query, &KQuery::result, this, &KfindDlg::slotResult);
     connect(query, &KQuery::foundFileList, this, &KfindDlg::addFiles);
 
     KHelpMenu *helpMenu = new KHelpMenu(this, KAboutData::applicationData(), true);
     buttonBox->button(QDialogButtonBox::Help)->setMenu(helpMenu->menu());
     dirwatch = nullptr;
     
     setFocus();
 }
 
 KfindDlg::~KfindDlg()
 {
     stopSearch();
 
     delete dirwatch;
 }
 
 void KfindDlg::finishAndClose()
 {
     //Stop the current search and closes the dialog
     stopSearch();
     close();
 }
 
 void KfindDlg::setProgressMsg(const QString &msg)
 {
     m_labelProgress->setText(msg);
 }
 
 void KfindDlg::setStatusMsg(const QString &msg)
 {
     m_labelStatus->setText(msg);
 }
 
 void KfindDlg::startSearch()
 {
     tabWidget->setQuery(query);
 
     isResultReported = false;
 
     // Reset count - use the same i18n as below
     setProgressMsg(i18n("0 items found"));
 
     Q_EMIT resultSelected(false);
     Q_EMIT haveResults(false);
 
     m_findButton->setEnabled(false); // Disable "Find"
     m_stopButton->setEnabled(true); // Enable "Stop"
     m_saveAsButton->setEnabled(false); // Disable "Save As..."
 
     delete dirwatch;
     dirwatch = new KDirWatch();
     connect(dirwatch, &KDirWatch::created, this, &KfindDlg::slotNewItems);
     connect(dirwatch, &KDirWatch::deleted, this, &KfindDlg::slotDeleteItem);
     dirwatch->addDir(query->url().toLocalFile(), KDirWatch::WatchFiles);
 
 #if 0
     // waba: Watching for updates is disabled for now because even with FAM it causes too
     // much problems. See BR68220, BR77854, BR77846, BR79512 and BR85802
     // There are 3 problems:
     // 1) addDir() keeps looping on recursive symlinks
     // 2) addDir() scans all subdirectories, so it basically does the same as the process that
     // is started by KQuery but in-process, undoing the advantages of using a separate find process
     // A solution could be to let KQuery Q_EMIT all the directories it has searched in.
     // Either way, putting dirwatchers on a whole file system is probably just too much.
     // 3) FAM has a tendency to deadlock with so many files (See BR77854) This has hopefully
     // been fixed in KDirWatch, but that has not yet been confirmed.
 
     //Getting a list of all subdirs
     if (tabWidget->isSearchRecursive() && (dirwatch->internalMethod() == KDirWatch::FAM)) {
         const QStringList subdirs = getAllSubdirs(query->url().path());
         for (QStringList::const_iterator it = subdirs.constBegin(); it != subdirs.constEnd(); ++it) {
             dirwatch->addDir(*it, true);
         }
     }
 #endif
 
     win->beginSearch(query->url());
     tabWidget->beginSearch();
 
     setStatusMsg(i18n("Searching..."));
     query->start();
 }
 
 void KfindDlg::stopSearch()
 {
     query->kill();
 }
 
 void KfindDlg::newSearch()
 {
     // WABA: Not used any longer?
     stopSearch();
 
     tabWidget->setDefaults();
 
     Q_EMIT haveResults(false);
     Q_EMIT resultSelected(false);
 
     setFocus();
 }
 
 void KfindDlg::slotResult(int errorCode)
 {
     if (errorCode == 0) {
         setStatusMsg(i18nc("the application is currently idle, there is no active search", "Idle."));
     } else if (errorCode == KIO::ERR_USER_CANCELED) {
         setStatusMsg(i18n("Canceled."));
     } else if (errorCode == KIO::ERR_MALFORMED_URL) {
         setStatusMsg(i18n("Error."));
         KMessageBox::error(this, i18n("Please specify an absolute path in the \"Look in\" box."));
     } else if (errorCode == KIO::ERR_DOES_NOT_EXIST) {
         setStatusMsg(i18n("Error."));
         KMessageBox::error(this, i18n("Could not find the specified folder."));
     } else {
         setStatusMsg(i18n("Error."));
     }
 
     m_findButton->setEnabled(true); // Enable "Find"
     m_stopButton->setEnabled(false); // Disable "Stop"
     m_saveAsButton->setEnabled(true); // Enable "Save As..."
 
     win->endSearch();
     tabWidget->endSearch();
     setFocus();
 }
 
 void KfindDlg::addFiles(const QList< QPair<KFileItem, QString> > &pairs)
 {
     win->insertItems(pairs);
 
     if (!isResultReported) {
         Q_EMIT haveResults(true);
         isResultReported = true;
     }
 
     const QString str = i18np("one item found", "%1 items found", win->itemCount());
     setProgressMsg(str);
 }
 
 void KfindDlg::setFocus()
 {
     tabWidget->setFocus();
 }
 
 void KfindDlg::copySelection()
 {
     win->copySelection();
 }
 
 void KfindDlg::about()
 {
     KAboutApplicationDialog dlg(KAboutData::applicationData(), KAboutApplicationDialog::NoOptions, this);
     dlg.exec();
 }
 
 void KfindDlg::slotDeleteItem(const QString &file)
 {
     win->removeItem(QUrl::fromLocalFile(file));
 
     const QString str = i18np("one item found", "%1 items found", win->itemCount());
     setProgressMsg(str);
 }
 
 void KfindDlg::slotNewItems(const QString &file)
 {
     const QUrl url = QUrl::fromLocalFile(file);
 
     if (query->url().isParentOf(url)) {
         if (!win->isInserted(url)) {
             query->slotListEntries(QStringList() << file);
         }
     }
 }
 
 QStringList KfindDlg::getAllSubdirs(QDir d)
 {
     d.setFilter(QDir::Dirs);
     const QStringList dirs = d.entryList(QDir::NoDotAndDotDot);
     QStringList subdirs;
     subdirs.reserve(dirs.size());
 
     for (const auto &dir : dirs) {
         subdirs.append(d.path() + QLatin1Char('/') + dir);
         subdirs += getAllSubdirs(QDir(d.path() + QLatin1Char('/') + dir));
     }
     return subdirs;
 }
 
 #include "moc_kfinddlg.cpp"