void DesktopWindow::onIndexesMoved(const QModelIndexList& indexes) {
auto delegate = static_cast<Fm::FolderItemDelegate*>(listView_->itemDelegateForColumn(0));
auto itemSize = delegate->itemSize();
// remember the custom position for the items
Q_FOREACH(const QModelIndex& index, indexes) {
// Under some circumstances, Qt might emit indexMoved for
// every single cells in the same row. (when QAbstractItemView::SelectItems is set)
// So indexes list may contain several indixes for the same row.
// Since we only care about rows, not individual cells,
// let's handle column 0 of every row here.
if(index.column() == 0) {
auto file = proxyModel_->fileInfoFromIndex(index);
QRect itemRect = listView_->rectForIndex(index);
QPoint tl = itemRect.topLeft();
QRect workArea = qApp->desktop()->availableGeometry(screenNum_);
workArea.adjust(12, 12, -12, -12);
// check if the position is occupied by another item
auto existingItem = std::find_if(customItemPos_.cbegin(), customItemPos_.cend(), [tl](const std::pair<std::string, QPoint>& elem){
return elem.second == tl;
});
if(existingItem == customItemPos_.cend() // don't put items on each other
&& tl.x() >= workArea.x() && tl.y() >= workArea.y()
&& tl.x() + itemSize.width() <= workArea.right() + 1 // for historical reasons (-> Qt doc)
&& tl.y() + itemSize.height() <= workArea.bottom() + 1) { // as above
customItemPos_[file->name()] = tl;
// qDebug() << "indexMoved:" << name << index << itemRect;
}
}
}
saveItemPositions();
queueRelayout();
}
void DesktopWindow::onStickToCurrentPos(bool toggled) {
QModelIndexList indexes = listView_->selectionModel()->selectedIndexes();
if(!indexes.isEmpty()) {
bool relayout(false);
QModelIndexList::const_iterator it;
for(it = indexes.constBegin(); it != indexes.constEnd(); ++it) {
auto file = proxyModel_->fileInfoFromIndex(*it);
auto name = file->name();
if(toggled) { // remember the current custom position
QRect itemRect = listView_->rectForIndex(*it);
customItemPos_[name] = itemRect.topLeft();
}
else { // cancel custom position and perform relayout
auto item = customItemPos_.find(name);
if(item != customItemPos_.end()) {
customItemPos_.erase(item);
relayout = true;
}
}
}
saveItemPositions();
if(relayout) {
relayoutItems();
}
}
}
void DesktopWindow::onRowsAboutToBeRemoved(const QModelIndex& parent, int start, int end) {
Q_UNUSED(parent);
Q_UNUSED(start);
Q_UNUSED(end);
if(!customItemPos_.empty()) {
// also delete stored custom item positions for the items currently being removed.
// Here we can't rely on ProxyFolderModel::fileInfoFromIndex() because, although rows
// aren't removed yet, files are already removed.
bool changed = false;
char* dektopPath = Fm::Path::getDesktop().toStr();
QString desktopDir = QString(dektopPath) + QString("/");
g_free(dektopPath);
for(auto it = customItemPos_.cbegin(); it != customItemPos_.cend();) {
auto& name = it->first;
if(!QFile::exists(desktopDir + QString::fromStdString(name))) {
it = customItemPos_.erase(it);
changed = true;
}
else {
++it;
}
}
if(changed) {
saveItemPositions();
}
}
listView_->setUpdatesEnabled(false);
queueRelayout(100);
}
void DesktopWindow::onIndexesMoved(const QModelIndexList& indexes) {
// remember the custom position for the items
Q_FOREACH(const QModelIndex& index, indexes) {
// Under some circumstances, Qt might emit indexMoved for
// every single cells in the same row. (when QAbstractItemView::SelectItems is set)
// So indexes list may contain several indixes for the same row.
// Since we only care about rows, not individual cells,
// let's handle column 0 of every row here.
if(index.column() == 0) {
FmFileInfo* file = proxyModel_->fileInfoFromIndex(index);
QRect itemRect = listView_->rectForIndex(index);
QPoint tl = itemRect.topLeft();
QRect workArea = qApp->desktop()->availableGeometry(screenNum_);
workArea.adjust(12, 12, -12, -12);
if(customItemPos_.keys(tl).isEmpty() // don't put items on each other
&& tl.x() >= workArea.x() && tl.y() >= workArea.y()
&& tl.x() + listView_->gridSize().width() <= workArea.right() + 1 // for historical reasons (-> Qt doc)
&& tl.y() + listView_->gridSize().height() <= workArea.bottom() + 1) { // as above
QByteArray name = fm_file_info_get_name(file);
customItemPos_[name] = tl;
// qDebug() << "indexMoved:" << name << index << itemRect;
}
}
}
saveItemPositions();
queueRelayout();
}
void DesktopWindow::childDropEvent(QDropEvent* e) {
const QMimeData* mimeData = e->mimeData();
bool moveItem = false;
if(e->source() == listView_ && e->keyboardModifiers() == Qt::NoModifier) {
// drag source is our list view, and no other modifier keys are pressed
// => we're dragging desktop items
if(mimeData->hasFormat("application/x-qabstractitemmodeldatalist")) {
QModelIndex dropIndex = listView_->indexAt(e->pos());
if(dropIndex.isValid()) { // drop on an item
QModelIndexList selected = selectedIndexes(); // the dragged items
if(selected.contains(dropIndex)) { // drop on self, ignore
moveItem = true;
}
}
else { // drop on a blank area
moveItem = true;
}
}
}
if(moveItem) {
e->accept();
}
else {
auto delegate = static_cast<Fm::FolderItemDelegate*>(listView_->itemDelegateForColumn(0));
auto grid = delegate->itemSize();
Fm::FolderView::childDropEvent(e);
// position dropped items successively, starting with the drop rectangle
if(mimeData->hasUrls()
&& (e->dropAction() == Qt::CopyAction
|| e->dropAction() == Qt::MoveAction
|| e->dropAction() == Qt::LinkAction)) {
QList<QUrl> urlList = mimeData->urls();
for(int i = 0; i < urlList.count(); ++i) {
std::string name = urlList.at(i).fileName().toUtf8().constData();
if(!name.empty()) { // respect the positions of existing files
QString desktopDir = XdgDir::readDesktopDir() + QString(QLatin1String("/"));
if(!QFile::exists(desktopDir + QString::fromStdString(name))) {
QRect workArea = qApp->desktop()->availableGeometry(screenNum_);
workArea.adjust(12, 12, -12, -12);
QPoint pos = mapFromGlobal(e->pos());
alignToGrid(pos, workArea.topLeft(), grid, listView_->spacing());
if(i > 0)
pos.setY(pos.y() + grid.height() + listView_->spacing());
if(pos.y() + grid.height() > workArea.bottom() + 1) {
pos.setX(pos.x() + grid.width() + listView_->spacing());
pos.setY(workArea.top());
}
customItemPos_[name] = pos;
}
}
}
saveItemPositions();
}
}
}
void DesktopWindow::onStickToCurrentPos(bool toggled) {
QAction* action = static_cast<QAction*>(sender());
Fm::FileMenu* menu = static_cast<Fm::FileMenu*>(action->parent());
QModelIndexList indexes = listView_->selectionModel()->selectedIndexes();
if(!indexes.isEmpty()) {
FmFileInfo* file = menu->firstFile();
QByteArray name = fm_file_info_get_name(file);
QModelIndex index = indexes.first();
if(toggled) { // remember to current custom position
QRect itemRect = listView_->rectForIndex(index);
customItemPos_[name] = itemRect.topLeft();
saveItemPositions();
}
else { // cancel custom position and perform relayout
QHash<QByteArray, QPoint>::iterator it = customItemPos_.find(name);
if(it != customItemPos_.end()) {
customItemPos_.erase(it);
saveItemPositions();
relayoutItems();
}
}
}
}
void DesktopWindow::onRowsAboutToBeRemoved(const QModelIndex& parent, int start, int end) {
Q_UNUSED(parent);
Q_UNUSED(start);
Q_UNUSED(end);
if(!customItemPos_.isEmpty()) {
// also delete stored custom item positions for the items currently being removed.
// Here we can't rely on ProxyFolderModel::fileInfoFromIndex() because, although rows
// aren't removed yet, files are already removed.
QHash<QByteArray, QPoint> _customItemPos = customItemPos_;
char* dektopPath = fm_path_to_str(fm_path_get_desktop());
QString desktopDir = QString(dektopPath) + QString("/");
g_free(dektopPath);
QHash<QByteArray, QPoint>::iterator it;
for(it = _customItemPos.begin(); it != _customItemPos.end(); ++it) {
const QByteArray& name = it.key();
if(!QFile::exists(desktopDir + QString::fromUtf8(name, name.length())))
customItemPos_.remove(it.key());
}
if(customItemPos_ != _customItemPos)
saveItemPositions();
}
queueRelayout();
}
