// QListView does item layout in a very inflexible way, so let's do our custom layout again.
// FIXME: this is very inefficient, but due to the design flaw of QListView, this is currently the only workaround.
void DesktopWindow::relayoutItems() {
displayNames_.clear();
loadItemPositions(); // something may have changed
// qDebug("relayoutItems()");
if(relayoutTimer_) {
// this slot might be called from the timer, so we cannot delete it directly here.
relayoutTimer_->deleteLater();
relayoutTimer_ = nullptr;
}
QDesktopWidget* desktop = qApp->desktop();
int screen = 0;
int row = 0;
int rowCount = proxyModel_->rowCount();
auto delegate = static_cast<Fm::FolderItemDelegate*>(listView_->itemDelegateForColumn(0));
auto itemSize = delegate->itemSize();
for(;;) {
if(desktop->isVirtualDesktop()) {
if(screen >= desktop->numScreens()) {
break;
}
}
else {
screen = screenNum_;
}
QRect workArea = desktop->availableGeometry(screen);
workArea.adjust(12, 12, -12, -12); // add a 12 pixel margin to the work area
// qDebug() << "workArea" << screen << workArea;
// FIXME: we use an internal class declared in a private header here, which is pretty bad.
QPoint pos = workArea.topLeft();
for(; row < rowCount; ++row) {
QModelIndex index = proxyModel_->index(row, 0);
int itemWidth = delegate->sizeHint(listView_->getViewOptions(), index).width();
auto file = proxyModel_->fileInfoFromIndex(index);
// remember display names of desktop entries and shortcuts
if(file->isDesktopEntry() || file->isShortcut()) {
displayNames_[index] = file->displayName();
}
auto name = file->name();
auto find_it = customItemPos_.find(name);
if(find_it != customItemPos_.cend()) { // the item has a custom position
QPoint customPos = find_it->second;
// center the contents vertically
listView_->setPositionForIndex(customPos + QPoint((itemSize.width() - itemWidth) / 2, 0), index);
// qDebug() << "set custom pos:" << name << row << index << customPos;
continue;
}
// check if the current pos is alredy occupied by a custom item
bool used = false;
for(auto it = customItemPos_.cbegin(); it != customItemPos_.cend(); ++it) {
QPoint customPos = it->second;
if(QRect(customPos, itemSize).contains(pos)) {
used = true;
break;
}
}
if(used) { // go to next pos
--row;
}
else {
// center the contents vertically
listView_->setPositionForIndex(pos + QPoint((itemSize.width() - itemWidth) / 2, 0), index);
// qDebug() << "set pos" << name << row << index << pos;
}
// move to next cell in the column
pos.setY(pos.y() + itemSize.height() + listView_->spacing());
if(pos.y() + itemSize.height() > workArea.bottom() + 1) {
// if the next position may exceed the bottom of work area, go to the top of next column
pos.setX(pos.x() + itemSize.width() + listView_->spacing());
pos.setY(workArea.top());
// check if the new column exceeds the right margin of work area
if(pos.x() + itemSize.width() > workArea.right() + 1) {
if(desktop->isVirtualDesktop()) {
// in virtual desktop mode, go to next screen
++screen;
break;
}
}
}
}
if(row >= rowCount) {
break;
}
}
if(!listView_->updatesEnabled()) {
listView_->setUpdatesEnabled(true);
}
}
DesktopWindow::DesktopWindow(int screenNum):
View(Fm::FolderView::IconMode),
proxyModel_(NULL),
model_(NULL),
folder_(NULL),
wallpaperMode_(WallpaperNone),
fileLauncher_(NULL),
showWmMenu_(false),
screenNum_(screenNum),
relayoutTimer_(NULL) {
QDesktopWidget* desktopWidget = QApplication::desktop();
setWindowFlags(Qt::Window | Qt::FramelessWindowHint);
setAttribute(Qt::WA_X11NetWmWindowTypeDesktop);
setAttribute(Qt::WA_DeleteOnClose);
// set our custom file launcher
View::setFileLauncher(&fileLauncher_);
listView_ = static_cast<Fm::FolderViewListView*>(childView());
listView_->setMovement(QListView::Snap);
listView_->setResizeMode(QListView::Adjust);
listView_->setFlow(QListView::TopToBottom);
// NOTE: When XRnadR is in use, the all screens are actually combined to form a
// large virtual desktop and only one DesktopWindow needs to be created and screenNum is -1.
// In some older multihead setups, such as xinerama, every physical screen
// is treated as a separate desktop so many instances of DesktopWindow may be created.
// In this case we only want to show desktop icons on the primary screen.
if(desktopWidget->isVirtualDesktop() || screenNum_ == desktopWidget->primaryScreen()) {
loadItemPositions();
Settings& settings = static_cast<Application* >(qApp)->settings();
model_ = Fm::CachedFolderModel::modelFromPath(fm_path_get_desktop());
folder_ = reinterpret_cast<FmFolder*>(g_object_ref(model_->folder()));
proxyModel_ = new Fm::ProxyFolderModel();
proxyModel_->setSourceModel(model_);
proxyModel_->setShowThumbnails(settings.showThumbnails());
proxyModel_->sort(settings.desktopSortColumn(), settings.desktopSortOrder());
proxyModel_->setFolderFirst(settings.desktopSortFolderFirst());
setModel(proxyModel_);
connect(proxyModel_, &Fm::ProxyFolderModel::rowsInserted, this, &DesktopWindow::onRowsInserted);
connect(proxyModel_, &Fm::ProxyFolderModel::rowsAboutToBeRemoved, this, &DesktopWindow::onRowsAboutToBeRemoved);
connect(proxyModel_, &Fm::ProxyFolderModel::layoutChanged, this, &DesktopWindow::onLayoutChanged);
connect(proxyModel_, &Fm::ProxyFolderModel::sortFilterChanged, this, &DesktopWindow::onModelSortFilterChanged);
connect(listView_, &QListView::indexesMoved, this, &DesktopWindow::onIndexesMoved);
}
// set our own delegate
delegate_ = new DesktopItemDelegate(listView_);
listView_->setItemDelegateForColumn(Fm::FolderModel::ColumnFileName, delegate_);
// remove frame
listView_->setFrameShape(QFrame::NoFrame);
// inhibit scrollbars FIXME: this should be optional in the future
listView_->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
listView_->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
connect(this, &DesktopWindow::openDirRequested, this, &DesktopWindow::onOpenDirRequested);
listView_->installEventFilter(this);
// setup shortcuts
QShortcut* shortcut;
shortcut = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_X), this); // cut
connect(shortcut, &QShortcut::activated, this, &DesktopWindow::onCutActivated);
shortcut = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_C), this); // copy
connect(shortcut, &QShortcut::activated, this, &DesktopWindow::onCopyActivated);
shortcut = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_V), this); // paste
connect(shortcut, &QShortcut::activated, this, &DesktopWindow::onPasteActivated);
shortcut = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_A), this); // select all
connect(shortcut, &QShortcut::activated, listView_, &QListView::selectAll);
shortcut = new QShortcut(QKeySequence(Qt::Key_Delete), this); // delete
connect(shortcut, &QShortcut::activated, this, &DesktopWindow::onDeleteActivated);
shortcut = new QShortcut(QKeySequence(Qt::Key_F2), this); // rename
connect(shortcut, &QShortcut::activated, this, &DesktopWindow::onRenameActivated);
shortcut = new QShortcut(QKeySequence(Qt::ALT + Qt::Key_Return), this); // rename
connect(shortcut, &QShortcut::activated, this, &DesktopWindow::onFilePropertiesActivated);
shortcut = new QShortcut(QKeySequence(Qt::SHIFT + Qt::Key_Delete), this); // force delete
connect(shortcut, &QShortcut::activated, this, &DesktopWindow::onDeleteActivated);
}
DesktopWindow::DesktopWindow(int screenNum):
View(Fm::FolderView::IconMode),
proxyModel_(nullptr),
model_(nullptr),
wallpaperMode_(WallpaperNone),
slideShowInterval_(0),
wallpaperTimer_(nullptr),
wallpaperRandomize_(false),
fileLauncher_(nullptr),
showWmMenu_(false),
screenNum_(screenNum),
relayoutTimer_(nullptr) {
QDesktopWidget* desktopWidget = QApplication::desktop();
setWindowFlags(Qt::Window | Qt::FramelessWindowHint);
setAttribute(Qt::WA_X11NetWmWindowTypeDesktop);
setAttribute(Qt::WA_DeleteOnClose);
// set our custom file launcher
View::setFileLauncher(&fileLauncher_);
listView_ = static_cast<Fm::FolderViewListView*>(childView());
listView_->setMovement(QListView::Snap);
listView_->setResizeMode(QListView::Adjust);
listView_->setFlow(QListView::TopToBottom);
// This is to workaround Qt bug 54384 which affects Qt >= 5.6
// https://bugreports.qt.io/browse/QTBUG-54384
// Setting a QPixmap larger then the screen resolution to desktop's QPalette won't work.
// So we make the viewport transparent by preventing its backround from being filled automatically.
// Then we paint desktop's background ourselves by using its paint event handling method.
listView_->viewport()->setAutoFillBackground(false);
// NOTE: When XRnadR is in use, the all screens are actually combined to form a
// large virtual desktop and only one DesktopWindow needs to be created and screenNum is -1.
// In some older multihead setups, such as xinerama, every physical screen
// is treated as a separate desktop so many instances of DesktopWindow may be created.
// In this case we only want to show desktop icons on the primary screen.
if(desktopWidget->isVirtualDesktop() || screenNum_ == desktopWidget->primaryScreen()) {
loadItemPositions();
Settings& settings = static_cast<Application* >(qApp)->settings();
auto desktopPath = Fm::FilePath::fromLocalPath(XdgDir::readDesktopDir().toStdString().c_str());
model_ = Fm::CachedFolderModel::modelFromPath(desktopPath);
folder_ = model_->folder();
proxyModel_ = new Fm::ProxyFolderModel();
proxyModel_->setSourceModel(model_);
proxyModel_->setShowThumbnails(settings.showThumbnails());
proxyModel_->sort(settings.desktopSortColumn(), settings.desktopSortOrder());
proxyModel_->setFolderFirst(settings.desktopSortFolderFirst());
setModel(proxyModel_);
connect(proxyModel_, &Fm::ProxyFolderModel::rowsInserted, this, &DesktopWindow::onRowsInserted);
connect(proxyModel_, &Fm::ProxyFolderModel::rowsAboutToBeRemoved, this, &DesktopWindow::onRowsAboutToBeRemoved);
connect(proxyModel_, &Fm::ProxyFolderModel::layoutChanged, this, &DesktopWindow::onLayoutChanged);
connect(proxyModel_, &Fm::ProxyFolderModel::sortFilterChanged, this, &DesktopWindow::onModelSortFilterChanged);
connect(proxyModel_, &Fm::ProxyFolderModel::dataChanged, this, &DesktopWindow::onDataChanged);
connect(listView_, &QListView::indexesMoved, this, &DesktopWindow::onIndexesMoved);
}
// remove frame
listView_->setFrameShape(QFrame::NoFrame);
// inhibit scrollbars FIXME: this should be optional in the future
listView_->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
listView_->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
connect(this, &DesktopWindow::openDirRequested, this, &DesktopWindow::onOpenDirRequested);
listView_->installEventFilter(this);
listView_->viewport()->installEventFilter(this);
// setup shortcuts
QShortcut* shortcut;
shortcut = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_X), this); // cut
connect(shortcut, &QShortcut::activated, this, &DesktopWindow::onCutActivated);
shortcut = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_C), this); // copy
connect(shortcut, &QShortcut::activated, this, &DesktopWindow::onCopyActivated);
shortcut = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_V), this); // paste
connect(shortcut, &QShortcut::activated, this, &DesktopWindow::onPasteActivated);
shortcut = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_A), this); // select all
connect(shortcut, &QShortcut::activated, this, &FolderView::selectAll);
shortcut = new QShortcut(QKeySequence(Qt::Key_Delete), this); // delete
connect(shortcut, &QShortcut::activated, this, &DesktopWindow::onDeleteActivated);
shortcut = new QShortcut(QKeySequence(Qt::Key_F2), this); // rename
connect(shortcut, &QShortcut::activated, this, &DesktopWindow::onRenameActivated);
shortcut = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_F2), this); // bulk rename
connect(shortcut, &QShortcut::activated, this, &DesktopWindow::onBulkRenameActivated);
shortcut = new QShortcut(QKeySequence(Qt::ALT + Qt::Key_Return), this); // properties
connect(shortcut, &QShortcut::activated, this, &DesktopWindow::onFilePropertiesActivated);
shortcut = new QShortcut(QKeySequence(Qt::SHIFT + Qt::Key_Delete), this); // force delete
connect(shortcut, &QShortcut::activated, this, &DesktopWindow::onDeleteActivated);
}
// QListView does item layout in a very inflexible way, so let's do our custom layout again.
// FIXME: this is very inefficient, but due to the design flaw of QListView, this is currently the only workaround.
void DesktopWindow::relayoutItems() {
loadItemPositions(); // something may have changed
// qDebug("relayoutItems()");
if(relayoutTimer_) {
// this slot might be called from the timer, so we cannot delete it directly here.
relayoutTimer_->deleteLater();
relayoutTimer_ = NULL;
}
QDesktopWidget* desktop = qApp->desktop();
int screen = 0;
int row = 0;
int rowCount = proxyModel_->rowCount();
for(;;) {
if(desktop->isVirtualDesktop()) {
if(screen >= desktop->numScreens())
break;
}else {
screen = screenNum_;
}
QRect workArea = desktop->availableGeometry(screen);
workArea.adjust(12, 12, -12, -12); // add a 12 pixel margin to the work area
// qDebug() << "workArea" << screen << workArea;
// FIXME: we use an internal class declared in a private header here, which is pretty bad.
QSize grid = listView_->gridSize();
QPoint pos = workArea.topLeft();
for(; row < rowCount; ++row) {
QModelIndex index = proxyModel_->index(row, 0);
int itemWidth = delegate_->sizeHint(listView_->getViewOptions(), index).width();
FmFileInfo* file = proxyModel_->fileInfoFromIndex(index);
QByteArray name = fm_file_info_get_name(file);
QHash<QByteArray, QPoint>::iterator it = customItemPos_.find(name);
if(it != customItemPos_.end()) { // the item has a custom position
QPoint customPos = *it;
// center the contents vertically
listView_->setPositionForIndex(customPos + QPoint((grid.width() - itemWidth) / 2, 0), index);
// qDebug() << "set custom pos:" << name << row << index << customPos;
continue;
}
// check if the current pos is alredy occupied by a custom item
bool used = false;
for(it = customItemPos_.begin(); it != customItemPos_.end(); ++it) {
QPoint customPos = *it;
if(QRect(customPos, grid).contains(pos)) {
used = true;
break;
}
}
if(used) { // go to next pos
--row;
}
else {
// center the contents vertically
listView_->setPositionForIndex(pos + QPoint((grid.width() - itemWidth) / 2, 0), index);
// qDebug() << "set pos" << name << row << index << pos;
}
// move to next cell in the column
pos.setY(pos.y() + grid.height() + listView_->spacing());
if(pos.y() + grid.height() > workArea.bottom() + 1) {
// if the next position may exceed the bottom of work area, go to the top of next column
pos.setX(pos.x() + grid.width() + listView_->spacing());
pos.setY(workArea.top());
// check if the new column exceeds the right margin of work area
if(pos.x() + grid.width() > workArea.right() + 1) {
if(desktop->isVirtualDesktop()) {
// in virtual desktop mode, go to next screen
++screen;
break;
}
}
}
}
if(row >= rowCount)
break;
}
}
