#include <KProtocolManager>
#include <QAbstractItemView>
+#include <QActionGroup>
#include <QApplication>
#include <QClipboard>
#include <QDropEvent>
+#include <QGraphicsOpacityEffect>
#include <QGraphicsSceneDragDropEvent>
+#include <QLabel>
#include <QMenu>
#include <QMimeDatabase>
#include <QPixmapCache>
m_assureVisibleCurrentIndex(false),
m_isFolderWritable(true),
m_dragging(false),
+ m_loading(false),
m_url(url),
m_viewPropertiesContext(),
m_mode(DolphinView::IconsView),
m_clearSelectionBeforeSelectingNewItems(false),
m_markFirstNewlySelectedItemAsCurrent(false),
m_versionControlObserver(nullptr),
- m_twoClicksRenamingTimer(nullptr)
+ m_twoClicksRenamingTimer(nullptr),
+ m_placeholderLabel(nullptr)
{
m_topLayout = new QVBoxLayout(this);
m_topLayout->setSpacing(0);
connect(m_container->horizontalScrollBar(), &QScrollBar::valueChanged, this, [=] { hideToolTip(); });
connect(m_container->verticalScrollBar(), &QScrollBar::valueChanged, this, [=] { hideToolTip(); });
+ // Show some placeholder text for empty folders
+ // This is made using a heavily-modified QLabel rather than a KTitleWidget
+ // because KTitleWidget can't be told to turn off mouse-selectable text
+ m_placeholderLabel = new QLabel(this);
+ QFont placeholderLabelFont;
+ // To match the size of a level 2 Heading/KTitleWidget
+ placeholderLabelFont.setPointSize(qRound(placeholderLabelFont.pointSize() * 1.3));
+ m_placeholderLabel->setFont(placeholderLabelFont);
+ m_placeholderLabel->setTextInteractionFlags(Qt::NoTextInteraction);
+ m_placeholderLabel->setWordWrap(true);
+ m_placeholderLabel->setAlignment(Qt::AlignCenter);
+ // Match opacity of QML placeholder label component
+ auto *effect = new QGraphicsOpacityEffect(m_placeholderLabel);
+ effect->setOpacity(0.5);
+ m_placeholderLabel->setGraphicsEffect(effect);
+ // Set initial text and visibility
+ updatePlaceholderLabel();
+
+ auto *centeringLayout = new QVBoxLayout(m_container);
+ centeringLayout->addWidget(m_placeholderLabel);
+ centeringLayout->setAlignment(m_placeholderLabel, Qt::AlignCenter);
+
controller->setSelectionBehavior(KItemListController::MultiSelection);
connect(controller, &KItemListController::itemActivated, this, &DolphinView::slotItemActivated);
connect(controller, &KItemListController::itemsActivated, this, &DolphinView::slotItemsActivated);
connect(m_model, &KFileItemModel::directoryLoadingStarted, this, &DolphinView::slotDirectoryLoadingStarted);
connect(m_model, &KFileItemModel::directoryLoadingCompleted, this, &DolphinView::slotDirectoryLoadingCompleted);
- connect(m_model, &KFileItemModel::directoryLoadingCanceled, this, &DolphinView::directoryLoadingCanceled);
+ connect(m_model, &KFileItemModel::directoryLoadingCanceled, this, &DolphinView::slotDirectoryLoadingCanceled);
connect(m_model, &KFileItemModel::directoryLoadingProgress, this, &DolphinView::directoryLoadingProgress);
connect(m_model, &KFileItemModel::directorySortingProgress, this, &DolphinView::directorySortingProgress);
connect(m_model, &KFileItemModel::itemsChanged,
connect(m_model, &KFileItemModel::directoryRedirection, this, &DolphinView::slotDirectoryRedirection);
connect(m_model, &KFileItemModel::urlIsFileError, this, &DolphinView::urlIsFileError);
+ connect(this, &DolphinView::itemCountChanged,
+ this, &DolphinView::updatePlaceholderLabel);
+
m_view->installEventFilter(this);
connect(m_view, &DolphinItemListView::sortOrderChanged,
this, &DolphinView::slotSortOrderChangedByHeader);
if (active) {
m_container->setFocus();
- emit activated();
- emit writeStateChanged(m_isFolderWritable);
+ Q_EMIT activated();
+ Q_EMIT writeStateChanged(m_isFolderWritable);
}
}
const int oldZoomLevel = m_view->zoomLevel();
m_view->setPreviewsShown(show);
- emit previewsShownChanged(show);
+ Q_EMIT previewsShownChanged(show);
const int newZoomLevel = m_view->zoomLevel();
if (newZoomLevel != oldZoomLevel) {
- emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
+ Q_EMIT zoomLevelChanged(newZoomLevel, oldZoomLevel);
}
}
props.setHiddenFilesShown(show);
m_model->setShowHiddenFiles(show);
- emit hiddenFilesShownChanged(show);
+ Q_EMIT hiddenFilesShownChanged(show);
}
bool DolphinView::hiddenFilesShown() const
m_container->controller()->model()->setGroupedSorting(grouped);
- emit groupedSortingChanged(grouped);
+ Q_EMIT groupedSortingChanged(grouped);
}
bool DolphinView::groupedSorting() const
m_view->setZoomLevel(level);
if (zoomLevel() != oldZoomLevel) {
hideToolTip();
- emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
+ Q_EMIT zoomLevelChanged(zoomLevel(), oldZoomLevel);
}
}
m_visibleRoles = roles;
m_view->setVisibleRoles(roles);
- emit visibleRolesChanged(m_visibleRoles, previousRoles);
+ Q_EMIT visibleRolesChanged(m_visibleRoles, previousRoles);
}
QList<QByteArray> DolphinView::visibleRoles() const
const int newZoomLevel = m_view->zoomLevel();
if (newZoomLevel != oldZoomLevel) {
- emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
+ Q_EMIT zoomLevelChanged(newZoomLevel, oldZoomLevel);
}
}
return m_model->mimeTypeFilters();
}
-QString DolphinView::statusBarText() const
+void DolphinView::requestStatusBarText()
{
- QString summary;
- QString foldersText;
- QString filesText;
-
- int folderCount = 0;
- int fileCount = 0;
- KIO::filesize_t totalFileSize = 0;
+ if (m_statJobForStatusBarText) {
+ // Kill the pending request.
+ m_statJobForStatusBarText->kill();
+ }
if (m_container->controller()->selectionManager()->hasSelection()) {
+ int folderCount = 0;
+ int fileCount = 0;
+ KIO::filesize_t totalFileSize = 0;
+
// Give a summary of the status of the selected files
const KFileItemList list = selectedItems();
for (const KFileItem& item : list) {
if (folderCount + fileCount == 1) {
// If only one item is selected, show info about it
- return list.first().getStatusBarInfo();
+ Q_EMIT statusBarTextChanged(list.first().getStatusBarInfo());
} else {
// At least 2 items are selected
- foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
- filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
+ emitStatusBarText(folderCount, fileCount, totalFileSize, HasSelection);
}
+ } else { // has no selection
+ if (!m_model->rootItem().url().isValid()) {
+ return;
+ }
+
+ m_statJobForStatusBarText = KIO::statDetails(m_model->rootItem().url(),
+ KIO::StatJob::SourceSide, KIO::StatRecursiveSize, KIO::HideProgressInfo);
+ connect(m_statJobForStatusBarText, &KJob::result,
+ this, &DolphinView::slotStatJobResult);
+ m_statJobForStatusBarText->start();
+ }
+}
+
+void DolphinView::emitStatusBarText(const int folderCount, const int fileCount,
+ KIO::filesize_t totalFileSize, const Selection selection)
+{
+ QString foldersText;
+ QString filesText;
+ QString summary;
+
+ if (selection == HasSelection) {
+ // At least 2 items are selected because the case of 1 selected item is handled in
+ // DolphinView::requestStatusBarText().
+ foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
+ filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
} else {
- calculateItemCount(fileCount, folderCount, totalFileSize);
foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
}
} else {
summary = i18nc("@info:status", "0 Folders, 0 Files");
}
-
- return summary;
+ Q_EMIT statusBarTextChanged(summary);
}
QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
applyViewProperties();
loadDirectory(url);
- emit urlChanged(url);
+ Q_EMIT urlChanged(url);
}
void DolphinView::selectAll()
if (GeneralSettings::useTabForSwitchingSplitView()) {
QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
if (keyEvent->key() == Qt::Key_Tab && keyEvent->modifiers() == Qt::NoModifier) {
- emit toggleActiveViewRequested();
+ Q_EMIT toggleActiveViewRequested();
return true;
}
}
void DolphinView::wheelEvent(QWheelEvent* event)
{
if (event->modifiers().testFlag(Qt::ControlModifier)) {
- const int numDegrees = event->delta() / 8;
- const int numSteps = numDegrees / 15;
+ const QPoint numDegrees = event->angleDelta() / 8;
+ const QPoint numSteps = numDegrees / 15;
- setZoomLevel(zoomLevel() + numSteps);
+ setZoomLevel(zoomLevel() + numSteps.y());
event->accept();
} else {
event->ignore();
const KFileItem item = m_model->fileItem(index);
if (!item.isNull()) {
- emit itemActivated(item);
+ Q_EMIT itemActivated(item);
}
}
const QUrl& url = openItemAsFolderUrl(item);
if (!url.isEmpty()) { // Open folders in new tabs
- emit tabRequested(url, DolphinTabWidget::AfterLastTab);
+ Q_EMIT tabRequested(url);
} else {
items.append(item);
}
}
if (items.count() == 1) {
- emit itemActivated(items.first());
+ Q_EMIT itemActivated(items.first());
} else if (items.count() > 1) {
- emit itemsActivated(items);
+ Q_EMIT itemsActivated(items);
}
}
const KFileItem& item = m_model->fileItem(index);
const QUrl& url = openItemAsFolderUrl(item);
if (!url.isEmpty()) {
- emit tabRequested(url, DolphinTabWidget::AfterCurrentTab);
+ Q_EMIT tabRequested(url);
} else if (isTabsForFilesEnabled()) {
- emit tabRequested(item.url(), DolphinTabWidget::AfterCurrentTab);
+ Q_EMIT tabRequested(item.url());
}
}
}
const KFileItem item = m_model->fileItem(index);
- emit requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
+ Q_EMIT requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
}
void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
{
- emit requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
+ Q_EMIT requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
}
void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
#endif
}
- emit requestItemInfo(item);
+ Q_EMIT requestItemInfo(item);
}
void DolphinView::slotItemUnhovered(int index)
{
Q_UNUSED(index)
hideToolTip();
- emit requestItemInfo(KFileItem());
+ Q_EMIT requestItemInfo(KFileItem());
}
void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
hideToolTip();
if (buttons & Qt::BackButton) {
- emit goBackRequested();
+ Q_EMIT goBackRequested();
} else if (buttons & Qt::ForwardButton) {
- emit goForwardRequested();
+ Q_EMIT goForwardRequested();
}
}
void DolphinView::slotJobResult(KJob *job)
{
if (job->error()) {
- emit errorMessage(job->errorString());
+ Q_EMIT errorMessage(job->errorString());
}
if (!m_selectedUrls.isEmpty()) {
m_selectedUrls = KDirModel::simplifiedUrlList(m_selectedUrls);
void DolphinView::emitSelectionChangedSignal()
{
m_selectionChangedTimer->stop();
- emit selectionChanged(selectedItems());
+ Q_EMIT selectionChanged(selectedItems());
+}
+
+void DolphinView::slotStatJobResult(KJob *job)
+{
+ int folderCount = 0;
+ int fileCount = 0;
+ KIO::filesize_t totalFileSize = 0;
+ bool countFileSize = true;
+
+ const auto entry = static_cast<KIO::StatJob *>(job)->statResult();
+ if (entry.contains(KIO::UDSEntry::UDS_RECURSIVE_SIZE)) {
+ // We have a precomputed value.
+ totalFileSize = static_cast<KIO::filesize_t>(
+ entry.numberValue(KIO::UDSEntry::UDS_RECURSIVE_SIZE));
+ countFileSize = false;
+ }
+
+ const int itemCount = m_model->count();
+ for (int i = 0; i < itemCount; ++i) {
+ const KFileItem item = m_model->fileItem(i);
+ if (item.isDir()) {
+ ++folderCount;
+ } else {
+ ++fileCount;
+ if (countFileSize) {
+ totalFileSize += item.size();
+ }
+ }
+ }
+ emitStatusBarText(folderCount, fileCount, totalFileSize, NoSelection);
}
void DolphinView::updateSortRole(const QByteArray& role)
KItemModelBase* model = m_container->controller()->model();
model->setSortRole(role);
- emit sortRoleChanged(role);
+ Q_EMIT sortRoleChanged(role);
}
void DolphinView::updateSortOrder(Qt::SortOrder order)
m_model->setSortOrder(order);
- emit sortOrderChanged(order);
+ Q_EMIT sortOrderChanged(order);
}
void DolphinView::updateSortFoldersFirst(bool foldersFirst)
m_model->setSortDirectoriesFirst(foldersFirst);
- emit sortFoldersFirstChanged(foldersFirst);
+ Q_EMIT sortFoldersFirstChanged(foldersFirst);
}
QPair<bool, QString> DolphinView::pasteInfo() const
void DolphinView::slotDirectoryRedirection(const QUrl& oldUrl, const QUrl& newUrl)
{
if (oldUrl.matches(url(), QUrl::StripTrailingSlash)) {
- emit redirection(oldUrl, newUrl);
+ Q_EMIT redirection(oldUrl, newUrl);
m_url = newUrl; // #186947
}
}
#endif
}
-void DolphinView::calculateItemCount(int& fileCount,
- int& folderCount,
- KIO::filesize_t& totalFileSize) const
-{
- const int itemCount = m_model->count();
-
- bool countFileSize = true;
-
- if (!m_model->rootItem().url().isValid()) {
- return;
- }
-
- // In case we have a precomputed value
- const auto job = KIO::statDetails(m_model->rootItem().url(), KIO::StatJob::SourceSide, KIO::StatRecursiveSize, KIO::HideProgressInfo);
- job->exec();
- const auto entry = job->statResult();
- if (entry.contains(KIO::UDSEntry::UDS_RECURSIVE_SIZE)) {
- totalFileSize = static_cast<KIO::filesize_t>(entry.numberValue(KIO::UDSEntry::UDS_RECURSIVE_SIZE));
- countFileSize = false;
- }
-
- for (int i = 0; i < itemCount; ++i) {
- const KFileItem item = m_model->fileItem(i);
- if (item.isDir()) {
- ++folderCount;
- } else {
- ++fileCount;
- if (countFileSize) {
- totalFileSize += item.size();
- }
- }
- }
-}
-
void DolphinView::slotTwoClicksRenamingTimerTimeout()
{
const KItemListSelectionManager* selectionManager = m_container->controller()->selectionManager();
void DolphinView::slotTrashFileFinished(KJob* job)
{
if (job->error() == 0) {
- emit operationCompletedMessage(i18nc("@info:status", "Trash operation completed."));
+ Q_EMIT operationCompletedMessage(i18nc("@info:status", "Trash operation completed."));
} else if (job->error() != KIO::ERR_USER_CANCELED) {
- emit errorMessage(job->errorString());
+ Q_EMIT errorMessage(job->errorString());
}
}
void DolphinView::slotDeleteFileFinished(KJob* job)
{
if (job->error() == 0) {
- emit operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
+ Q_EMIT operationCompletedMessage(i18nc("@info:status", "Delete operation completed."));
} else if (job->error() != KIO::ERR_USER_CANCELED) {
- emit errorMessage(job->errorString());
+ Q_EMIT errorMessage(job->errorString());
}
}
void DolphinView::slotDirectoryLoadingStarted()
{
+ m_loading = true;
+ updatePlaceholderLabel();
+
// Disable the writestate temporary until it can be determined in a fast way
// in DolphinView::slotDirectoryLoadingCompleted()
if (m_isFolderWritable) {
m_isFolderWritable = false;
- emit writeStateChanged(m_isFolderWritable);
+ Q_EMIT writeStateChanged(m_isFolderWritable);
}
- emit directoryLoadingStarted();
+ Q_EMIT directoryLoadingStarted();
}
void DolphinView::slotDirectoryLoadingCompleted()
{
+ m_loading = false;
+
// Update the view-state. This has to be done asynchronously
// because the view might not be in its final state yet.
QTimer::singleShot(0, this, &DolphinView::updateViewState);
- emit directoryLoadingCompleted();
+ // Update the placeholder label in case we found that the folder was empty
+ // after loading it
+
+ Q_EMIT directoryLoadingCompleted();
+ updatePlaceholderLabel();
updateWritableState();
}
+void DolphinView::slotDirectoryLoadingCanceled()
+{
+ m_loading = false;
+
+ updatePlaceholderLabel();
+
+ Q_EMIT directoryLoadingCanceled();
+}
+
void DolphinView::slotItemsChanged()
{
m_assureVisibleCurrentIndex = false;
ViewProperties props(viewPropertiesUrl());
props.setSortOrder(current);
- emit sortOrderChanged(current);
+ Q_EMIT sortOrderChanged(current);
}
void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
ViewProperties props(viewPropertiesUrl());
props.setSortRole(current);
- emit sortRoleChanged(current);
+ Q_EMIT sortRoleChanged(current);
}
void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray>& current,
ViewProperties props(viewPropertiesUrl());
props.setVisibleRoles(m_visibleRoles);
- emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
+ Q_EMIT visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
}
void DolphinView::slotRoleEditingCanceled()
if (!url.isValid()) {
const QString location(url.toDisplayString(QUrl::PreferLocalFile));
if (location.isEmpty()) {
- emit errorMessage(i18nc("@info:status", "The location is empty."));
+ Q_EMIT errorMessage(i18nc("@info:status", "The location is empty."));
} else {
- emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
+ Q_EMIT errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
}
return;
}
const int oldZoomLevel = m_view->zoomLevel();
applyModeToView();
- emit modeChanged(m_mode, previousMode);
+ Q_EMIT modeChanged(m_mode, previousMode);
if (m_view->zoomLevel() != oldZoomLevel) {
- emit zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
+ Q_EMIT zoomLevelChanged(m_view->zoomLevel(), oldZoomLevel);
}
}
const bool hiddenFilesShown = props.hiddenFilesShown();
if (hiddenFilesShown != m_model->showHiddenFiles()) {
m_model->setShowHiddenFiles(hiddenFilesShown);
- emit hiddenFilesShownChanged(hiddenFilesShown);
+ Q_EMIT hiddenFilesShownChanged(hiddenFilesShown);
}
const bool groupedSorting = props.groupedSorting();
if (groupedSorting != m_model->groupedSorting()) {
m_model->setGroupedSorting(groupedSorting);
- emit groupedSortingChanged(groupedSorting);
+ Q_EMIT groupedSortingChanged(groupedSorting);
}
const QByteArray sortRole = props.sortRole();
if (sortRole != m_model->sortRole()) {
m_model->setSortRole(sortRole);
- emit sortRoleChanged(sortRole);
+ Q_EMIT sortRoleChanged(sortRole);
}
const Qt::SortOrder sortOrder = props.sortOrder();
if (sortOrder != m_model->sortOrder()) {
m_model->setSortOrder(sortOrder);
- emit sortOrderChanged(sortOrder);
+ Q_EMIT sortOrderChanged(sortOrder);
}
const bool sortFoldersFirst = props.sortFoldersFirst();
if (sortFoldersFirst != m_model->sortDirectoriesFirst()) {
m_model->setSortDirectoriesFirst(sortFoldersFirst);
- emit sortFoldersFirstChanged(sortFoldersFirst);
+ Q_EMIT sortFoldersFirstChanged(sortFoldersFirst);
}
const QList<QByteArray> visibleRoles = props.visibleRoles();
const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
m_visibleRoles = visibleRoles;
m_view->setVisibleRoles(visibleRoles);
- emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
+ Q_EMIT visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
}
const bool previewsShown = props.previewsShown();
const int oldZoomLevel = zoomLevel();
m_view->setPreviewsShown(previewsShown);
- emit previewsShownChanged(previewsShown);
+ Q_EMIT previewsShownChanged(previewsShown);
// Changing the preview-state might result in a changed zoom-level
if (oldZoomLevel != zoomLevel()) {
- emit zoomLevelChanged(zoomLevel(), oldZoomLevel);
+ Q_EMIT zoomLevelChanged(zoomLevel(), oldZoomLevel);
}
}
m_isFolderWritable = capabilities.supportsWriting();
if (m_isFolderWritable != wasFolderWritable) {
- emit writeStateChanged(m_isFolderWritable);
+ Q_EMIT writeStateChanged(m_isFolderWritable);
}
}
void DolphinView::slotSwipeUp()
{
- emit goUpRequested();
+ Q_EMIT goUpRequested();
+}
+
+void DolphinView::updatePlaceholderLabel()
+{
+ if (m_loading || itemsCount() > 0) {
+ m_placeholderLabel->setVisible(false);
+ return;
+ }
+
+ if (!nameFilter().isEmpty()) {
+ m_placeholderLabel->setText(i18n("No items matching the filter"));
+ } else if (m_url.scheme() == QLatin1String("baloosearch") || m_url.scheme() == QLatin1String("filenamesearch")) {
+ m_placeholderLabel->setText(i18n("No items matching the search"));
+ } else if (m_url.scheme() == QLatin1String("trash")) {
+ m_placeholderLabel->setText(i18n("Trash is empty"));
+ } else if (m_url.scheme() == QLatin1String("tags")) {
+ m_placeholderLabel->setText(i18n("No tags"));
+ } else if (m_url.scheme() == QLatin1String("recentlyused")) {
+ m_placeholderLabel->setText(i18n("No recently used items"));
+ } else if (m_url.scheme() == QLatin1String("smb")) {
+ m_placeholderLabel->setText(i18n("No shared folders found"));
+ } else if (m_url.scheme() == QLatin1String("network")) {
+ m_placeholderLabel->setText(i18n("No relevant network resources found"));
+ } else if (m_url.scheme() == QLatin1String("mtp")) {
+ m_placeholderLabel->setText(i18n("No MTP-compatible devices found"));
+ } else if (m_url.scheme() == QLatin1String("bluetooth")) {
+ m_placeholderLabel->setText(i18n("No Bluetooth devices found"));
+ } else {
+ m_placeholderLabel->setText(i18n("Folder is empty"));
+ }
+
+ m_placeholderLabel->setVisible(true);
}
projects / dolphin.git / blobdiff