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pcmanfm-qt-packaging/pcmanfm/desktopwindow.cpp

802 lines
27 KiB

/*
Copyright (C) 2013 Hong Jen Yee (PCMan) <pcman.tw@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "desktopwindow.h"
#include <QWidget>
#include <QDesktopWidget>
#include <QPainter>
#include <QImage>
#include <QImageReader>
#include <QFile>
#include <QPixmap>
#include <QPalette>
#include <QBrush>
#include <QLayout>
#include <QDebug>
#include <QTimer>
#include <QSettings>
#include <QStringBuilder>
#include <QDir>
#include <QShortcut>
#include <QDropEvent>
#include <QMimeData>
#include "./application.h"
#include "mainwindow.h"
#include "desktopitemdelegate.h"
#include "foldermenu.h"
#include "filemenu.h"
#include "cachedfoldermodel.h"
#include "folderview_p.h"
#include "fileoperation.h"
#include "filepropsdialog.h"
#include "utilities.h"
#include "path.h"
#include "xdgdir.h"
#include <QX11Info>
#include <QScreen>
#include <xcb/xcb.h>
#include <X11/Xlib.h>
using namespace PCManFM;
DesktopWindow::DesktopWindow(int screenNum):
View(Fm::FolderView::IconMode),
screenNum_(screenNum),
folder_(NULL),
model_(NULL),
proxyModel_(NULL),
fileLauncher_(NULL),
showWmMenu_(false),
wallpaperMode_(WallpaperNone),
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::Free);
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(Fm::FolderModel::ColumnFileMTime);
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(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() {
listView_->removeEventFilter(this);
if(relayoutTimer_)
delete relayoutTimer_;
if(proxyModel_)
delete proxyModel_;
if(model_)
model_->unref();
if(folder_)
g_object_unref(folder_);
}
void DesktopWindow::setBackground(const QColor& color) {
bgColor_ = color;
}
void DesktopWindow::setForeground(const QColor& color) {
QPalette p = listView_->palette();
p.setBrush(QPalette::Text, color);
listView_->setPalette(p);
fgColor_ = color;
}
void DesktopWindow::setShadow(const QColor& color) {
shadowColor_ = color;
delegate_->setShadowColor(color);
}
void DesktopWindow::onOpenDirRequested(FmPath* path, int target) {
// open in new window unconditionally.
Application* app = static_cast<Application*>(qApp);
MainWindow* newWin = new MainWindow(path);
// apply window size from app->settings
newWin->resize(app->settings().windowWidth(), app->settings().windowHeight());
newWin->show();
}
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::setDesktopFolder() {
FmPath *path = fm_path_new_for_path(XdgDir::readDesktopDir().toStdString().c_str());
model_ = Fm::CachedFolderModel::modelFromPath(path);
proxyModel_->setSourceModel(model_);
}
void DesktopWindow::setWallpaperFile(QString filename) {
wallpaperFile_ = filename;
}
void DesktopWindow::setWallpaperMode(WallpaperMode mode) {
wallpaperMode_ = mode;
}
QImage DesktopWindow::loadWallpaperFile(QSize requiredSize) {
// NOTE: for ease of programming, we only use the cache for the primary screen.
bool useCache = (screenNum_ == -1 || screenNum_ == 0);
QFile info;
QString cacheFileName;
if(useCache) {
// see if we have a scaled version cached on disk
cacheFileName = QString::fromLocal8Bit(qgetenv("XDG_CACHE_HOME"));
if(cacheFileName.isEmpty())
cacheFileName = QDir::homePath() % QLatin1String("/.cache");
Application* app = static_cast<Application*>(qApp);
cacheFileName += QLatin1String("/pcmanfm-qt/") % app->profileName();
QDir().mkpath(cacheFileName); // ensure that the cache dir exists
cacheFileName += QLatin1String("/wallpaper.cache");
// read info file
QString origin;
info.setFileName(cacheFileName % ".info");
if(info.open(QIODevice::ReadOnly)) {
// FIXME: we need to compare mtime to see if the cache is out of date
origin = QString::fromLocal8Bit(info.readLine());
info.close();
if(!origin.isEmpty()) {
// try to see if we can get the size of the cached image.
QImageReader reader(cacheFileName);
reader.setAutoDetectImageFormat(true);
QSize cachedSize = reader.size();
qDebug() << "size of cached file" << cachedSize << ", requiredSize:" << requiredSize;
if(cachedSize.isValid()) {
if(cachedSize == requiredSize) { // see if the cached wallpaper has the size we want
QImage image = reader.read(); // return the loaded image
qDebug() << "origin" << origin;
if(origin == wallpaperFile_)
return image;
}
}
}
}
qDebug() << "no cached wallpaper. generate a new one!";
}
// we don't have a cached scaled image, load the original file
QImage image(wallpaperFile_);
qDebug() << "size of original image" << image.size();
if(image.isNull() || image.size() == requiredSize) // if the original size is what we want
return image;
// scale the original image
QImage scaled = image.scaled(requiredSize.width(), requiredSize.height(), Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
// FIXME: should we save the scaled image if its size is larger than the original image?
if(useCache) {
// write the path of the original image to the .info file
if(info.open(QIODevice::WriteOnly)) {
info.write(wallpaperFile_.toLocal8Bit());
info.close();
// write the scaled cache image to disk
const char* format; // we keep jpg format for *.jpg files, and use png format for others.
if(wallpaperFile_.endsWith(QLatin1String(".jpg"), Qt::CaseInsensitive) || wallpaperFile_.endsWith(QLatin1String(".jpeg"), Qt::CaseInsensitive))
format = "JPG";
else
format = "PNG";
scaled.save(cacheFileName, format);
}
qDebug() << "wallpaper cached saved to " << cacheFileName;
// FIXME: we might delay the write of the cached image?
}
return scaled;
}
// really generate the background pixmap according to current settings and apply it.
void DesktopWindow::updateWallpaper() {
// reset the brush
// QPalette palette(listView_->palette());
QPalette palette(Fm::FolderView::palette());
if(wallpaperMode_ == WallpaperNone) { // use background color only
palette.setBrush(QPalette::Base, bgColor_);
}
else { // use wallpaper
QPixmap pixmap;
QImage image;
if(wallpaperMode_ == WallpaperTile) { // use the original size
image = QImage(wallpaperFile_);
pixmap = QPixmap::fromImage(image);
}
else if(wallpaperMode_ == WallpaperStretch) {
image = loadWallpaperFile(size());
pixmap = QPixmap::fromImage(image);
}
else { // WallpaperCenter || WallpaperFit
if(wallpaperMode_ == WallpaperCenter) {
image = QImage(wallpaperFile_); // load original image
}
else if(wallpaperMode_ == WallpaperFit) {
// calculate the desired size
QSize origSize = QImageReader(wallpaperFile_).size(); // get the size of the original file
if(origSize.isValid()) {
QSize desiredSize = origSize;
desiredSize.scale(width(), height(), Qt::KeepAspectRatio);
image = loadWallpaperFile(desiredSize); // load the scaled image
}
}
if(!image.isNull()) {
pixmap = QPixmap(size());
QPainter painter(&pixmap);
pixmap.fill(bgColor_);
int x = (width() - image.width()) / 2;
int y = (height() - image.height()) / 2;
painter.drawImage(x, y, image);
}
}
wallpaperPixmap_ = pixmap;
if(!pixmap.isNull()) {
QBrush brush(pixmap);
palette.setBrush(QPalette::Base, brush);
}
else // if the image is not loaded, fallback to use background color only
palette.setBrush(QPalette::Base, bgColor_);
}
//FIXME: we should set the pixmap to X11 root window?
setPalette(palette);
}
void DesktopWindow::updateFromSettings(Settings& settings) {
setDesktopFolder();
setWallpaperFile(settings.wallpaper());
setWallpaperMode(settings.wallpaperMode());
setFont(settings.desktopFont());
setIconSize(Fm::FolderView::IconMode, QSize(settings.bigIconSize(), settings.bigIconSize()));
// setIconSize 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::onFileClicked(int type, FmFileInfo* fileInfo) {
if(!fileInfo && showWmMenu_)
return; // do not show the popup if we want to use the desktop menu provided by the WM.
View::onFileClicked(type, fileInfo);
}
void DesktopWindow::prepareFileMenu(Fm::FileMenu* menu) {
// qDebug("DesktopWindow::prepareFileMenu");
PCManFM::View::prepareFileMenu(menu);
QAction* action = new QAction(tr("Stic&k to Current Position"), menu);
action->setCheckable(true);
menu->insertSeparator(menu->separator2());
menu->insertAction(menu->separator2(), action);
FmFileInfoList* files = menu->files();
// select exactly one item
if(fm_file_info_list_get_length(files) == 1) {
FmFileInfo* file = menu->firstFile();
if(customItemPos_.find(fm_file_info_get_name(file)) != customItemPos_.end()) {
// the file item has a custom position
action->setChecked(true);
}
}
connect(action, &QAction::toggled, this, &DesktopWindow::onStickToCurrentPos);
}
void DesktopWindow::prepareFolderMenu(Fm::FolderMenu* menu) {
PCManFM::View::prepareFolderMenu(menu);
// remove file properties action
menu->removeAction(menu->propertiesAction());
// add an action for desktop preferences instead
QAction* action = menu->addAction(tr("Desktop Preferences"));
connect(action, &QAction::triggered, this, &DesktopWindow::onDesktopPreferences);
}
void DesktopWindow::onDesktopPreferences() {
static_cast<Application* >(qApp)->desktopPrefrences(QString());
}
void DesktopWindow::onRowsInserted(const QModelIndex& parent, int start, int end) {
queueRelayout();
}
void DesktopWindow::onRowsAboutToBeRemoved(const QModelIndex& parent, int start, int end) {
if(!customItemPos_.isEmpty()) {
// also delete stored custom item positions for the items currently being removed.
bool changed = false;
for(int row = start; row <= end ;++row) {
QModelIndex index = parent.child(row, 0);
FmFileInfo* file = proxyModel_->fileInfoFromIndex(index);
if(file) { // remove custom position for the item
if(customItemPos_.remove(fm_file_info_get_name(file)))
changed = true;
}
}
if(changed)
saveItemPositions();
}
queueRelayout();
}
void DesktopWindow::onLayoutChanged() {
queueRelayout();
}
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);
QByteArray name = fm_file_info_get_name(file);
customItemPos_[name] = itemRect.topLeft();
// qDebug() << "indexMoved:" << name << index << itemRect;
}
}
saveItemPositions();
queueRelayout();
}
// 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() {
// 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);
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;
listView_->setPositionForIndex(customPos, 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 {
listView_->setPositionForIndex(pos, 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()) {
// 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()) {
if(desktop->isVirtualDesktop()) {
// in virtual desktop mode, go to next screen
++screen;
break;
}
}
}
}
if(row >= rowCount)
break;
}
}
void DesktopWindow::loadItemPositions() {
// load custom item positions
Settings& settings = static_cast<Application*>(qApp)->settings();
QString configFile = QString("%1/desktop-items-%2.conf").arg(settings.profileDir(settings.profileName())).arg(screenNum_);
QSettings file(configFile, QSettings::IniFormat);
Q_FOREACH(const QString& name, file.childGroups()) {
file.beginGroup(name);
QVariant var = file.value("pos");
if(var.isValid())
customItemPos_[name.toUtf8()] = var.toPoint();
file.endGroup();
}
}
void DesktopWindow::saveItemPositions() {
Settings& settings = static_cast<Application*>(qApp)->settings();
// store custom item positions
QString configFile = QString("%1/desktop-items-%2.conf").arg(settings.profileDir(settings.profileName())).arg(screenNum_);
// FIXME: using QSettings here is inefficient and it's not friendly to UTF-8.
QSettings file(configFile, QSettings::IniFormat);
file.clear(); // remove all existing entries
// FIXME: we have to remove dead entries not associated to any files?
QHash<QByteArray, QPoint>::iterator it;
for(it = customItemPos_.begin(); it != customItemPos_.end(); ++it) {
const QByteArray& name = it.key();
QPoint pos = it.value();
file.beginGroup(QString::fromUtf8(name, name.length()));
file.setValue("pos", pos);
file.endGroup();
}
}
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::queueRelayout(int delay) {
// qDebug() << "queueRelayout";
if(!relayoutTimer_) {
relayoutTimer_ = new QTimer();
relayoutTimer_->setSingleShot(true);
connect(relayoutTimer_, &QTimer::timeout, this, &DesktopWindow::relayoutItems);
relayoutTimer_->start(delay);
}
}
// slots for file operations
void DesktopWindow::onCutActivated() {
if(FmPathList* paths = selectedFilePaths()) {
Fm::cutFilesToClipboard(paths);
fm_path_list_unref(paths);
}
}
void DesktopWindow::onCopyActivated() {
if(FmPathList* paths = selectedFilePaths()) {
Fm::copyFilesToClipboard(paths);
fm_path_list_unref(paths);
}
}
void DesktopWindow::onPasteActivated() {
Fm::pasteFilesFromClipboard(path());
}
void DesktopWindow::onDeleteActivated() {
if(FmPathList* paths = selectedFilePaths()) {
Settings& settings = static_cast<Application*>(qApp)->settings();
bool shiftPressed = (qApp->keyboardModifiers() & Qt::ShiftModifier ? true : false);
if(settings.useTrash() && !shiftPressed)
Fm::FileOperation::trashFiles(paths, settings.confirmTrash());
else
Fm::FileOperation::deleteFiles(paths, settings.confirmDelete());
fm_path_list_unref(paths);
}
}
void DesktopWindow::onRenameActivated() {
if(FmFileInfoList* files = selectedFiles()) {
for(GList* l = fm_file_info_list_peek_head_link(files); l; l = l->next) {
FmFileInfo* info = FM_FILE_INFO(l->data);
Fm::renameFile(info, NULL);
fm_file_info_list_unref(files);
}
}
}
void DesktopWindow::onFilePropertiesActivated() {
if(FmFileInfoList* files = selectedFiles()) {
Fm::FilePropsDialog::showForFiles(files);
fm_file_info_list_unref(files);
}
}
static void forwardMouseEventToRoot(QMouseEvent* event) {
xcb_ungrab_pointer(QX11Info::connection(), event->timestamp());
// forward the event to the root window
xcb_button_press_event_t xcb_event;
uint32_t mask = 0;
xcb_event.state = 0;
switch(event->type()) {
case QEvent::MouseButtonPress:
xcb_event.response_type = XCB_BUTTON_PRESS;
mask = XCB_EVENT_MASK_BUTTON_PRESS;
break;
case QEvent::MouseButtonRelease:
xcb_event.response_type = XCB_BUTTON_RELEASE;
mask = XCB_EVENT_MASK_BUTTON_RELEASE;
break;
default:
return;
}
// convert Qt button to XCB button
switch(event->button()) {
case Qt::LeftButton:
xcb_event.detail = 1;
xcb_event.state |= XCB_BUTTON_MASK_1;
break;
case Qt::MiddleButton:
xcb_event.detail = 2;
xcb_event.state |= XCB_BUTTON_MASK_2;
break;
case Qt::RightButton:
xcb_event.detail = 3;
xcb_event.state |= XCB_BUTTON_MASK_3;
break;
default:
xcb_event.detail = 0;
}
// convert Qt modifiers to XCB states
if(event->modifiers() & Qt::ShiftModifier)
xcb_event.state |= XCB_MOD_MASK_SHIFT;
if(event->modifiers() & Qt::ControlModifier)
xcb_event.state |= XCB_MOD_MASK_SHIFT;
if(event->modifiers() & Qt::AltModifier)
xcb_event.state |= XCB_MOD_MASK_1;
xcb_event.sequence = 0;
xcb_event.time = event->timestamp();
WId root = QX11Info::appRootWindow(QX11Info::appScreen());
xcb_event.event = root;
xcb_event.root = root;
xcb_event.child = 0;
xcb_event.root_x = event->globalX();
xcb_event.root_y = event->globalY();
xcb_event.event_x = event->x();
xcb_event.event_y = event->y();
xcb_event.same_screen = 1;
xcb_send_event(QX11Info::connection(), 0, root, mask, (char*)&xcb_event);
xcb_flush(QX11Info::connection());
}
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), NULL)->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), NULL)->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);
}
#undef FontChange // this seems to be defined in Xlib headers as a macro, undef it!
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 false;
}
void DesktopWindow::childDropEvent(QDropEvent* e) {
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
const QMimeData *mimeData = e->mimeData();
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
Fm::FolderView::childDropEvent(e);
}
void DesktopWindow::closeEvent(QCloseEvent *event) {
// prevent the desktop window from being closed.
event->ignore();
}
void DesktopWindow::setScreenNum(int num) {
if(screenNum_ != num) {
screenNum_ = num;
queueRelayout();
}
}