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();
}
bool DesktopWindow::eventFilter(QObject* watched, QEvent* event) {
if(watched == listView_) {
switch(event->type()) {
case QEvent::StyleChange:
case QEvent::FontChange:
if(model_) {
queueRelayout();
}
break;
default:
break;
}
}
else if(watched == listView_->viewport()) {
switch(event->type()) {
case QEvent::MouseButtonPress:
case QEvent::MouseButtonRelease:
if(showWmMenu_) {
QMouseEvent* e = static_cast<QMouseEvent*>(event);
// If we want to show the desktop menus provided by the window manager instead of ours,
// we have to forward the mouse events we received to the root window.
// check if the user click on blank area
QModelIndex index = listView_->indexAt(e->pos());
if(!index.isValid() && e->button() != Qt::LeftButton) {
forwardMouseEventToRoot(e);
}
}
break;
default:
break;
}
}
return Fm::FolderView::eventFilter(watched, event);
}
void DesktopWindow::onDataChanged(const QModelIndex& topLeft, const QModelIndex& bottomRight) {
/****************************************************************************
NOTE: The display names of desktop entries and shortcuts may change without
their files being renamed and, on such occasions, a relayout will be needed.
Since there is no signal for that, we use the signal dataChanged() and the
QHash displayNames_, which remembers such display names with every relayout.
****************************************************************************/
if(topLeft.column() == 0) {
bool relayout(false);
for(int i = topLeft.row(); i <= bottomRight.row(); ++i) {
QModelIndex index = topLeft.sibling(i, 0);
if(index.isValid() && displayNames_.contains(index)) {
auto file = proxyModel_->fileInfoFromIndex(index);
if(displayNames_[index] != file->displayName()) {
relayout = true;
break;
}
}
}
if(relayout) {
queueRelayout();
// parts of the old display name might still be visible if it's long
listView_->viewport()->update();
}
}
}
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);
}
bool DesktopWindow::event(QEvent* event) {
switch(event->type()) {
case QEvent::WinIdChange: {
qDebug() << "winid change:" << effectiveWinId();
if(effectiveWinId() == 0) {
break;
}
// set freedesktop.org EWMH hints properly
if(QX11Info::isPlatformX11() && QX11Info::connection()) {
xcb_connection_t* con = QX11Info::connection();
const char* atom_name = "_NET_WM_WINDOW_TYPE_DESKTOP";
xcb_atom_t atom = xcb_intern_atom_reply(con, xcb_intern_atom(con, 0, strlen(atom_name), atom_name), nullptr)->atom;
const char* prop_atom_name = "_NET_WM_WINDOW_TYPE";
xcb_atom_t prop_atom = xcb_intern_atom_reply(con, xcb_intern_atom(con, 0, strlen(prop_atom_name), prop_atom_name), nullptr)->atom;
xcb_atom_t XA_ATOM = 4;
xcb_change_property(con, XCB_PROP_MODE_REPLACE, effectiveWinId(), prop_atom, XA_ATOM, 32, 1, &atom);
}
break;
}
#undef FontChange // FontChange is defined in the headers of XLib and clashes with Qt, let's undefine it.
case QEvent::StyleChange:
case QEvent::FontChange:
queueRelayout();
break;
default:
break;
}
return QWidget::event(event);
}
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::updateFromSettings(Settings& settings, bool changeSlide) {
setDesktopFolder();
setWallpaperFile(settings.wallpaper());
setWallpaperMode(settings.wallpaperMode());
setLastSlide(settings.lastSlide());
QString wallpaperDir = settings.wallpaperDir();
if(wallpaperDir_ != wallpaperDir) {
changeSlide = true; // another wallpapaer directory; change slide!
}
setWallpaperDir(wallpaperDir);
int interval = settings.slideShowInterval();
if(interval > 0 && (interval < MIN_SLIDE_INTERVAL || interval > MAX_SLIDE_INTERVAL)) {
interval = qBound(MIN_SLIDE_INTERVAL, interval, MAX_SLIDE_INTERVAL);
settings.setSlideShowInterval(interval);
}
setSlideShowInterval(interval);
setWallpaperRandomize(settings.wallpaperRandomize());
setFont(settings.desktopFont());
setIconSize(Fm::FolderView::IconMode, QSize(settings.desktopIconSize(), settings.desktopIconSize()));
setMargins(settings.desktopCellMargins());
// setIconSize and setMargins may trigger relayout of items by QListView, so we need to do the layout again.
queueRelayout();
setForeground(settings.desktopFgColor());
setBackground(settings.desktopBgColor());
setShadow(settings.desktopShadowColor());
showWmMenu_ = settings.showWmMenu();
if(slideShowInterval_ > 0
&& QFileInfo(wallpaperDir_).isDir()) {
if(!wallpaperTimer_) {
changeSlide = true; // slideshow activated; change slide!
wallpaperTimer_ = new QTimer();
connect(wallpaperTimer_, &QTimer::timeout, this, &DesktopWindow::nextWallpaper);
}
else {
wallpaperTimer_->stop(); // restart the timer after updating wallpaper
}
if(changeSlide) {
pickWallpaper();
}
else if(QFile::exists(lastSlide_)) {
/* show the last slide if it still exists,
otherwise show the wallpaper until timeout */
wallpaperFile_ = lastSlide_;
}
}
else if(wallpaperTimer_) {
wallpaperTimer_->stop();
delete wallpaperTimer_;
wallpaperTimer_ = nullptr;
}
updateWallpaper();
update();
if(wallpaperTimer_) {
wallpaperTimer_->start(slideShowInterval_);
}
}
void DesktopWindow::onRowsInserted(const QModelIndex& parent, int start, int end) {
Q_UNUSED(parent);
Q_UNUSED(start);
Q_UNUSED(end);
// disable view updates temporarily and delay relayout to prevent items from shaking
listView_->setUpdatesEnabled(false);
queueRelayout(100);
}
void DesktopWindow::resizeEvent(QResizeEvent* event) {
QWidget::resizeEvent(event);
// resize wall paper if needed
if(isVisible() && wallpaperMode_ != WallpaperNone && wallpaperMode_ != WallpaperTile) {
updateWallpaper();
update();
}
queueRelayout(100); // Qt use a 100 msec delay for relayout internally so we use it, too.
}
void DesktopWindow::updateFromSettings(Settings& settings) {
setDesktopFolder();
setWallpaperFile(settings.wallpaper());
setWallpaperMode(settings.wallpaperMode());
setFont(settings.desktopFont());
setIconSize(Fm::FolderView::IconMode, QSize(settings.desktopIconSize(), settings.desktopIconSize()));
setMargins(settings.desktopCellMargins());
// setIconSize and setMargins may trigger relayout of items by QListView, so we need to do the layout again.
queueRelayout();
setForeground(settings.desktopFgColor());
setBackground(settings.desktopBgColor());
setShadow(settings.desktopShadowColor());
showWmMenu_ = settings.showWmMenu();
updateWallpaper();
update();
}
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();
}
void DesktopWindow::onLayoutChanged() {
queueRelayout();
}
void DesktopWindow::setScreenNum(int num) {
if(screenNum_ != num) {
screenNum_ = num;
queueRelayout();
}
}
void DesktopWindow::onRowsInserted(const QModelIndex& parent, int start, int end) {
queueRelayout();
}
