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mainWin.cpp
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mainWin.cpp
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/*
* Copyright (C) Pedram Pourang (aka Tsu Jan) 2018-2024 <tsujan2000@gmail.com>
*
* Arqiver 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 3 of the License, or
* (at your option) any later version.
*
* Arqiver 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, see <http://www.gnu.org/licenses/>.
*
* @license GPL-3.0+ <https://spdx.org/licenses/GPL-3.0+.html>
*/
#include "mainWin.h"
#include "ui_mainWin.h"
#include "ui_about.h"
#include "svgicons.h"
#include "pref.h"
#include <QUrl>
#include <QMessageBox>
#include <QFileDialog>
#include <QLineEdit>
#include <QPushButton>
#include <QCheckBox>
#include <QScrollBar>
#include <QMimeData>
#include <QRegularExpression>
//#include <QScreen>
#include <QDesktopServices>
#include <QPixmapCache>
#include <QClipboard>
#include <QResizeEvent>
#include <QPointer>
#include <QDrag>
#include <QDBusConnection>
#include <QDBusMessage>
#include <QStandardPaths>
#include <unistd.h> // getuid
namespace Arqiver {
static const QRegularExpression archivingExt("\\.(tar\\.gz|tar\\.xz|tar\\.bz|tar\\.bz2|tar\\.lzma|tar\\.zst|tar|zip|tgz|txz|tzst|tbz|tbz2|tlz|cpio|ar|7z|gz)$");
/*************************/
QVariant TreeWidgetItem::data(int column, int role) const {
if (backend_ != nullptr
&& column == 0
&& role == Qt::DecorationRole && iconSize_.width() > 16
// not a folder
&& columnCount() > 1 && !text(1).isEmpty()) {
if (columnCount() > 3 && data(3, Qt::UserRole).toString() == "lock") // encrypted path
return emblemizedPixmap(text(1).replace('/', '-'), iconSize_, isSelected(), true);
if (columnCount() > 2 && text(2).isEmpty()) { // a link
auto file = whatsThis(0);
if (!file.isEmpty()) {
auto mime = backend_->getMimeType(file.section("/", -1));
if (!mime.isEmpty())
return emblemizedPixmap(mime.replace('/', '-'), iconSize_, isSelected(), false);
}
}
}
return QTreeWidgetItem::data(column, role);
}
bool TreeWidgetItem::operator<(const QTreeWidgetItem& other) const {
/* treat dot as a separator for a more natural sorting */
int column = treeWidget() ? treeWidget()->sortColumn() : 0;
const QString txt1 = text(column);
const QString txt2 = other.text(column);
int start1 = 0, start2 = 0;
for (;;) {
int end1 = txt1.indexOf(QLatin1Char('.'), start1);
int end2 = txt2.indexOf(QLatin1Char('.'), start2);
QString part1 = end1 == -1 ? txt1.sliced(start1, txt1.size() - start1)
: txt1.sliced(start1, end1 - start1);
QString part2 = end2 == -1 ? txt2.sliced(start2, txt2.size() - start2)
: txt2.sliced(start2, end2 - start2);
int comp = collator_.compare(part1, part2);
if (comp == 0)
comp = part1.size() - part2.size(); // a workaround for QCollator's bug
if (comp != 0)
return comp < 0;
if (end1 == -1 || end2 == -1)
return end1 < end2;
start1 = end1 + 1;
start2 = end2 + 1;
}
}
QPixmap TreeWidgetItem::emblemizedPixmap(const QString iconName, const QSize& icnSize,
bool selected, bool lock) const {
QString emblemName = lock ? ".lock" : ".link";
QString key = iconName + emblemName + (selected ? "1" : "0");
QPixmap pix;
if (!QPixmapCache::find(key, &pix)) {
QPixmap icn = QIcon::fromTheme(iconName, symbolicIcon::icon(":icons/unknown.svg"))
.pixmap(icnSize, selected ? QIcon::Selected : QIcon::Normal);
int w = icnSize.width();
int emblemSize = w <= 32 ? 16 : 24;
int offset = 0;
QPixmap emblem;
if (lock) {
emblem = QIcon(":icons/emblem-lock.svg").pixmap(emblemSize, emblemSize);
offset = w - emblemSize;
}
else
emblem = QIcon(":icons/emblem-symbolic-link.svg").pixmap(emblemSize, emblemSize);
qreal pixelRatio = icn.devicePixelRatio();
pix = QPixmap((QSizeF(icnSize) * pixelRatio).toSize());
pix.fill(Qt::transparent);
pix.setDevicePixelRatio(pixelRatio);
QPainter painter(&pix);
painter.drawPixmap(0, 0, icn);
painter.drawPixmap(offset, offset, emblem);
QPixmapCache::insert(key, pix);
}
return pix;
}
/*************************/
mainWin::mainWin() : QMainWindow(), ui(new Ui::mainWin) {
ui->setupUi(this);
lastPath_ = QDir::homePath();
canModify_ = true;
canUpdate_ = true;
updateTree_ = true; // will be set to false when extracting (or viewing)
scrollToCurrent_ = true; // will be set to false when adding files/folders
expandAll_ = false;
close_ = false;
processIsRunning_ = false;
filterTimer_ = nullptr;
reapplyFilter_ = true;
ui->tree_contents->installEventFilter(this);
ui->tree_contents->viewport()->installEventFilter(this);
if (getuid() == 0) {
setWindowTitle("Arqiver (" + tr("Root") + ")");
isRoot_ = true;
}
else isRoot_ = false;
/* status bar */
iconLabel_ = new QLabel();
iconLabel_->setFixedSize(16, 16);
iconLabel_->setFocusPolicy(Qt::NoFocus);
textLabel_ = new Label();
textLabel_->setFocusPolicy(Qt::NoFocus);
statusProgress_ = new QProgressBar();
statusProgress_->setTextVisible(false);
statusProgress_->setMaximumHeight(qMax(QFontMetrics(font()).height(), 16));
statusProgress_->setFocusPolicy(Qt::NoFocus);
statusProgress_->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
ui->statusbar->addWidget(iconLabel_);
ui->statusbar->addWidget(statusProgress_);
ui->statusbar->addPermanentWidget(textLabel_);
iconLabel_->setVisible(false);
statusProgress_->setVisible(false);
config_.readConfig();
/* icons */
setWindowIcon(QIcon::fromTheme("arqiver", QIcon(":icons/arqiver.svg")));
if (config_.getSysIcons()) {
ui->actionNew->setIcon(QIcon::fromTheme("document-new",
symbolicIcon::icon(":icons/document-new.svg")));
ui->actionOpen->setIcon(QIcon::fromTheme("document-open",
symbolicIcon::icon(":icons/document-open.svg")));
ui->actionQuit->setIcon(QIcon::fromTheme("application-exit",
symbolicIcon::icon(":icons/application-exit.svg")));
ui->actionUpdate->setIcon(QIcon::fromTheme("software-update-urgent",
symbolicIcon::icon(":icons/update.svg")));
ui->actionAddFile->setIcon(QIcon::fromTheme("archive-insert",
symbolicIcon::icon(":icons/archive-insert.svg")));
ui->actionAddDir->setIcon(QIcon::fromTheme("archive-insert-directory",
symbolicIcon::icon(":icons/archive-insert-directory.svg")));
ui->actionRemoveFile->setIcon(QIcon::fromTheme("archive-remove",
symbolicIcon::icon(":icons/archive-remove.svg")));
ui->actionExtractAll->setIcon(QIcon::fromTheme("archive-extract",
symbolicIcon::icon(":icons/archive-extract.svg")));
ui->actionExtractSel->setIcon(QIcon::fromTheme("edit-select-all",
symbolicIcon::icon(":icons/edit-select-all.svg")));
ui->actionView->setIcon(QIcon::fromTheme("object-visible",
symbolicIcon::icon(":icons/view.svg")));
ui->actionPassword->setIcon(QIcon::fromTheme("object-locked",
symbolicIcon::icon(":icons/locked.svg")));
ui->actionExpand->setIcon(QIcon::fromTheme("go-down",
symbolicIcon::icon(":icons/expand.svg")));
ui->actionCollapse->setIcon(QIcon::fromTheme("go-up",
symbolicIcon::icon(":icons/collapse.svg")));
ui->actionAbout->setIcon(QIcon::fromTheme("help-about",
symbolicIcon::icon(":icons/help-about.svg")));
ui->actionCopy->setIcon(QIcon::fromTheme("edit-copy",
symbolicIcon::icon(":icons/edit-copy.svg")));
ui->actionPref->setIcon(QIcon::fromTheme("preferences-system",
symbolicIcon::icon(":icons/preferences-system.svg")));
ui->actionStop->setIcon(QIcon::fromTheme("process-stop",
symbolicIcon::icon(":icons/process-stop.svg")));
}
else {
ui->actionNew->setIcon(symbolicIcon::icon(":icons/document-new.svg"));
ui->actionOpen->setIcon(symbolicIcon::icon(":icons/document-open.svg"));
ui->actionQuit->setIcon(symbolicIcon::icon(":icons/application-exit.svg"));
ui->actionUpdate->setIcon(symbolicIcon::icon(":icons/update.svg"));
ui->actionAddFile->setIcon(symbolicIcon::icon(":icons/archive-insert.svg"));
ui->actionAddDir->setIcon(symbolicIcon::icon(":icons/archive-insert-directory.svg"));
ui->actionRemoveFile->setIcon(symbolicIcon::icon(":icons/archive-remove.svg"));
ui->actionExtractAll->setIcon(symbolicIcon::icon(":icons/archive-extract.svg"));
ui->actionExtractSel->setIcon(symbolicIcon::icon(":icons/edit-select-all.svg"));
ui->actionView->setIcon(symbolicIcon::icon(":icons/view.svg"));
ui->actionPassword->setIcon(symbolicIcon::icon(":icons/locked.svg"));
ui->actionExpand->setIcon(symbolicIcon::icon(":icons/expand.svg"));
ui->actionCollapse->setIcon(symbolicIcon::icon(":icons/collapse.svg"));
ui->actionAbout->setIcon(symbolicIcon::icon(":icons/help-about.svg"));
ui->actionCopy->setIcon(symbolicIcon::icon(":icons/edit-copy.svg"));
ui->actionPref->setIcon(symbolicIcon::icon(":icons/preferences-system.svg"));
ui->actionStop->setIcon(symbolicIcon::icon(":icons/process-stop.svg"));
}
ui->label->setVisible(false);
ui->label_archive->setVisible(false);
ui->frame->setContextMenuPolicy(Qt::CustomContextMenu);
connect(ui->frame, &QWidget::customContextMenuRequested, this, &mainWin::labelContextMenu);
ui->actionUpdate->setEnabled(false);
ui->actionUpdate->setVisible(false);
ui->actionAddFile->setEnabled(false);
ui->actionRemoveFile->setEnabled(false);
ui->actionExtractAll->setEnabled(false);
ui->actionAddDir->setEnabled(false);
ui->actionExtractSel->setEnabled(false);
ui->actionView->setEnabled(false);
ui->actionPassword->setEnabled(false);
BACKEND = new Backend(this);
connect(BACKEND, &Backend::processStarting, this, &mainWin::procStarting);
connect(BACKEND, &Backend::processFinished, this, &mainWin::procFinished);
connect(BACKEND, &Backend::progressUpdate, this, &mainWin::procUpdate);
connect(BACKEND, &Backend::encryptedList, this, &mainWin::openEncryptedList);
connect(BACKEND, &Backend::errorMsg, this, [this](const QString& msg) {
QMessageBox::critical(this, tr("Error"), msg);
});
connect(BACKEND, &Backend::fileModified, this, [this](bool modified) {
bool reallyModified(modified && canUpdate_);
ui->actionUpdate->setEnabled(reallyModified);
setWindowModified(reallyModified);
});
connect(ui->actionStop, &QAction::triggered, [this] {BACKEND->killProc();});
QWidget *spacer = new QWidget(this);
spacer->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
ui->toolBar->insertWidget(ui->actionUpdate, spacer);
connect(ui->actionNew, &QAction::triggered, this, &mainWin::newArchive);
connect(ui->actionOpen, &QAction::triggered, this, &mainWin::openArchive);
connect(ui->actionQuit, &QAction::triggered, this, &mainWin::close);
connect(ui->actionUpdate, &QAction::triggered, BACKEND, &Backend::updateArchive);
connect(ui->actionAddFile, &QAction::triggered, this, &mainWin::addFiles);
connect(ui->actionRemoveFile, &QAction::triggered, this, &mainWin::removeFiles);
connect(ui->actionExtractAll, &QAction::triggered, this, &mainWin::extractFiles);
connect(ui->actionExtractSel, &QAction::triggered, this, &mainWin::extractSelection);
connect(ui->actionView, &QAction::triggered, [this] {
if (QTreeWidgetItem *cur = ui->tree_contents->currentItem())
viewFile(cur);
});
connect(ui->actionAddDir, &QAction::triggered, this, &mainWin::addDirs);
connect(ui->actionCopy, &QAction::triggered, [this] {
if (QTreeWidgetItem *cur = ui->tree_contents->currentItem())
QApplication::clipboard()->setText(cur->whatsThis(0));
});
connect(ui->actionPassword, &QAction::triggered, [this] {pswrdDialog(true);});
connect(ui->tree_contents, &QTreeWidget::itemDoubleClicked, this, &mainWin::viewFile);
connect(ui->tree_contents, &TreeWidget::enterPressed, this, &mainWin::onEnterPressed);
connect(ui->tree_contents, &QTreeWidget::itemSelectionChanged, this, &mainWin::selectionChanged);
connect(ui->tree_contents, &QTreeWidget::currentItemChanged,
[this] (QTreeWidgetItem *cur, QTreeWidgetItem*) {
ui->actionView->setEnabled(cur && cur->isSelected() && !cur->text(1).isEmpty());
});
connect(ui->tree_contents, &TreeWidget::dragStarted, this, &mainWin::extractDraggedItems);
connect(ui->tree_contents, &QWidget::customContextMenuRequested, this, &mainWin::listContextMenu);
connect(ui->tree_contents, &QTreeWidget::itemExpanded, this, &mainWin::onChangingExpansion);
connect(ui->tree_contents, &QTreeWidget::itemCollapsed, this, &mainWin::onChangingExpansion);
connect(ui->actionExpand, &QAction::triggered, [this] {
/* WARNING: Contrary to what Qt doc says, QTreeWidget::itemExpanded() is called with expandAll(). */
disconnect(ui->tree_contents, &QTreeWidget::itemCollapsed, this, &mainWin::onChangingExpansion);
disconnect(ui->tree_contents, &QTreeWidget::itemExpanded, this, &mainWin::onChangingExpansion);
ui->tree_contents->expandAll();
ui->tree_contents->scrollTo(ui->tree_contents->currentIndex());
adjustColumnSizes(); /* may not be called by eventFilter()
because scrollbars may be transient */
connect(ui->tree_contents, &QTreeWidget::itemExpanded, this, &mainWin::onChangingExpansion);
connect(ui->tree_contents, &QTreeWidget::itemCollapsed, this, &mainWin::onChangingExpansion);
});
connect(ui->actionCollapse, &QAction::triggered, [this] {
disconnect(ui->tree_contents, &QTreeWidget::itemCollapsed, this, &mainWin::onChangingExpansion);
disconnect(ui->tree_contents, &QTreeWidget::itemExpanded, this, &mainWin::onChangingExpansion);
ui->tree_contents->collapseAll();
adjustColumnSizes();
connect(ui->tree_contents, &QTreeWidget::itemExpanded, this, &mainWin::onChangingExpansion);
connect(ui->tree_contents, &QTreeWidget::itemCollapsed, this, &mainWin::onChangingExpansion);
});
connect(ui->lineEdit, &QLineEdit::textChanged, this, &mainWin::filter);
connect(ui->actionPref, &QAction::triggered, this, &mainWin::prefDialog);
connect(ui->actionAbout, &QAction::triggered, this, &mainWin::aboutDialog);
/* the labels and column sizes of the header (the 4th hidden column will
be used for putting directory items first and will save the lock info) */
ui->tree_contents->setHeaderLabels(QStringList() << tr("File") << tr("MimeType") << tr("Size") << QString());
ui->tree_contents->header()->setSectionHidden(3, true);
ui->tree_contents->header()->setVisible(false); // will be shown in procFinished()
/* support file dropping into the window */
setAcceptDrops(true);
/* apply the configuration */
adjustColumnSizes();
BACKEND->setTarCommand(config_.getTarBinary());
if (config_.getRemSize()) {
resize(config_.getWinSize());
if (config_.getIsMaxed())
setWindowState(Qt::WindowMaximized);
}
else {
QSize startSize = config_.getStartSize();
/*QSize ag;
if (QScreen *pScreen = QApplication::primaryScreen()) // the window isn't shown yet
ag = pScreen->availableVirtualGeometry().size();
if (!ag.isEmpty() && (startSize.width() > ag.width() || startSize.height() > ag.height())) {
startSize = startSize.boundedTo(ag);
config_.setStartSize(startSize);
}
else */if (startSize.isEmpty()) {
startSize = QSize(700, 500);
config_.setStartSize(startSize);
}
resize(startSize);
}
lastFilter_ = config_.getLastFilter();
if (filterToExtension(lastFilter_).isEmpty()) // validate the filter
lastFilter_.clear();
int icnSize = config_.getIconSize();
ui->tree_contents->setIconSize(QSize(icnSize, icnSize));
}
mainWin::~mainWin() {
config_.writeConfig();
if (filterTimer_) {
disconnect(filterTimer_, &QTimer::timeout, this, &mainWin::reallyApplyFilter);
filterTimer_->stop();
delete filterTimer_;
}
delete ui;
}
bool mainWin::eventFilter(QObject *watched, QEvent *event) {
if (watched == ui->tree_contents->viewport()) {
if (event->type() == QEvent::Resize) {
if (QResizeEvent *re = static_cast<QResizeEvent*>(event)) {
if (re->size().width() != re->oldSize().width())
adjustColumnSizes(); // doesn't affect the viewport's width
}
}
}
else if (watched == ui->tree_contents && event->type() == QEvent::KeyPress) {
if (QKeyEvent *ke = static_cast<QKeyEvent*>(event)) {
/* select/deselect the current item with Ctrl+Space and also
select it if it isn't selected and the first Space is typed */
QTreeWidgetItem *cur = ui->tree_contents->currentItem();
if (cur && ke->key() == Qt::Key_Space
&& (ke->modifiers() == Qt::ControlModifier
|| (ui->lineEdit->text().isEmpty() // first typed
&& !ui->tree_contents->selectedItems().contains(cur)))) {
QModelIndex curIndex = ui->tree_contents->getIndexFromItem(cur);
ui->tree_contents->selectionModel()
->setCurrentIndex(curIndex,
QItemSelectionModel::Toggle | QItemSelectionModel::Rows);
ui->tree_contents->scrollTo(curIndex);
return false;
}
/* when a text is typed inside the tree, type it inside the filter line-edit */
if (ke->key() != Qt::Key_Return && ke->key() != Qt::Key_Enter
&& ke->key() != Qt::Key_Up && ke->key() != Qt::Key_Down
&& ke->key() != Qt::Key_Home && ke->key() != Qt::Key_End
&& ke->key() != Qt::Key_PageUp && ke->key() != Qt::Key_PageDown
&& !(ke->modifiers() == Qt::ControlModifier && ke->key() == Qt::Key_A)) {
ui->lineEdit->pressKey(ke);
return false;
}
}
}
return QMainWindow::eventFilter(watched, event);
}
void mainWin::filter(const QString&/*text*/) {
if (filterTimer_ == nullptr) {
filterTimer_ = new QTimer();
filterTimer_->setSingleShot(true);
connect(filterTimer_, &QTimer::timeout, this, &mainWin::reallyApplyFilter);
}
filterTimer_->start(350);
}
void mainWin::reallyApplyFilter() {
const QString filter = ui->lineEdit->text();
QTreeWidgetItemIterator it(ui->tree_contents);
if (filter.isEmpty()) {
while (*it) {
(*it)->setHidden(false);
++it;
}
}
else {
while (*it) {
if (!(*it)->text(1).isEmpty() && !(*it)->text(0).contains(filter, Qt::CaseInsensitive))
(*it)->setHidden(true);
else
(*it)->setHidden(false);
++it;
}
/* hide all childless directories to make filtering practical */
QTreeWidgetItemIterator it1(ui->tree_contents);
while (*it1) {
hideChildlessDir((*it1));
++it1;
}
}
ui->tree_contents->scrollTo(ui->tree_contents->currentIndex());
}
void mainWin::hideChildlessDir(QTreeWidgetItem *item) {
if (item->isHidden() || !item->text(1).isEmpty())
return;
int N = item->childCount();
for (int i = 0; i < N; ++i) {
QTreeWidgetItem *child = item->child(i);
if (child->isHidden()) continue;
hideChildlessDir(child);
if (!child->isHidden()) {
item->setHidden(false);
return;
}
}
item->setHidden(!item->text(0).contains(ui->lineEdit->text(), Qt::CaseInsensitive));
}
bool mainWin::ignoreChanges() {
if (QMessageBox::question(this, tr("Question"),
tr("Some files have been modified.")
+ "\n" + tr("Do you want to ignore the changes?\n"),
QMessageBox::Yes | QMessageBox::No,
QMessageBox::No)
== QMessageBox::No) {
return false;
}
return true;
}
void mainWin::closeEvent(QCloseEvent *event) {
if (processIsRunning_)
event->ignore();
else {
if (ui->actionUpdate->isEnabled()) {
if (!ignoreChanges()) {
event->ignore();
return;
}
}
if (config_.getRemSize() && windowState() == Qt::WindowNoState)
config_.setWinSize(size());
config_.setLastFilter(lastFilter_);
event->accept();
}
}
void mainWin::changeEvent(QEvent *event) {
if (config_.getRemSize() && event->type() == QEvent::WindowStateChange) {
if (windowState() == Qt::WindowFullScreen) // impossible
config_.setIsMaxed (true);
else if (windowState() == (Qt::WindowFullScreen ^ Qt::WindowMaximized)) // impossible
config_.setIsMaxed (true);
else
config_.setIsMaxed (windowState() == Qt::WindowMaximized);
}
QWidget::changeEvent (event);
}
void mainWin::loadArguments(const QStringList& args) {
/* KDE needs all events to be processed; otherwise, if a dialog
is shown before the main window, the application won't exit
when the main window is closed. This should be a bug in KDE.
As a workaround, we show the window only when no dialog is
going to be shown before it. */
QTimer::singleShot(0, this, [this, args]() {
int action = -1; // load archive
/*
0: auto extracting -> arqiver --ax Archive(s)
1: auto archiving -> arqiver --aa Archive Files
2: simple extracting -> arqiver --sx Archive
3: simple archiving -> arqiver --sa Files
*/
if (!args.isEmpty()) {
if (args.at(0) == "--ax") {
action = 0;
}
else if (args.at(0) == "--aa") {
action = 1;
}
else if (args.at(0) == "--sx") {
action = 2;
}
else if (args.at(0) == "--sa") {
action = 3;
}
}
QStringList files;
int i = (action >= 0 ? 1 : 0);
for (; i < args.length(); i++) {
if (!args.at(i).isEmpty()) {
/* always an absolute path */
QString file = args.at(i);
if (file.startsWith("file://"))
file = QUrl(file).toLocalFile();
file = QDir::current().absoluteFilePath(file);
files << QDir::cleanPath(file);
}
}
if (action != 3) // no dialog is shown before the main window
show();
if (files.isEmpty()) return;
files.removeDuplicates();
lastPath_ = files.at(0).section("/", 0, -2);
textLabel_->setText(tr("Opening Archive..."));
if (action == 0) {
axFileList_ = files;
/* here, we don't wait for a successful operation because all files
should be processed and the window should be closed at the end */
connect(BACKEND, &Backend::loadingFinished, this, &mainWin::autoextractFiles);
connect(BACKEND, &Backend::extractionFinished, this, &mainWin::nextAutoExtraction);
BACKEND->loadFile(axFileList_.first());
axFileList_.removeFirst();
}
else if (action == 1) {
aaFileList_ = files;
aaFileList_.removeFirst();
connect(BACKEND, &Backend::loadingSuccessful, this, &mainWin::autoArchiveFiles);
connect(BACKEND, &Backend::archivingSuccessful, [this] {close_ = true;});
BACKEND->loadFile(files.at(0));
}
else if (action == 2) {
connect(BACKEND, &Backend::loadingSuccessful, this, &mainWin::simpleExtractFiles);
connect(BACKEND, &Backend::extractionSuccessful, [this] {close_ = true;});
BACKEND->loadFile(files.at(0));
}
else if (action == 3) {
saFileList_ = files;
connect(BACKEND, &Backend::loadingSuccessful, this, &mainWin::simpleArchivetFiles);
connect(BACKEND, &Backend::archivingSuccessful, [this] {close_ = true;});
newArchive();
}
else {
expandAll_ = true;
BACKEND->loadFile(files.at(0));
}
});
}
QHash<QString, QTreeWidgetItem*> mainWin::cleanTree(const QStringList& list) {
/* this is a workaround for a Qt bug that might give a too small height to rows
if the horizontal scrollbar isn't at its minimum value when items are removed */
if (QScrollBar *hs = ui->tree_contents->horizontalScrollBar()) {
if (hs->isVisible())
hs->setValue(hs->minimum());
}
QHash<QString, QTreeWidgetItem*> items;
if (ui->tree_contents->topLevelItemCount() == 0)
return items;
if (list.isEmpty()) {
ui->tree_contents->clear();
return items;
}
QTreeWidgetItemIterator it(ui->tree_contents);
while (*it) {
const QString path = (*it)->whatsThis(0);
if (!list.contains(path)
|| (*it)->data(2, Qt::UserRole).toString() != BACKEND->sizeString(path) // size change
/* also consider the possibility of lock state change */
|| (BACKEND->is7z()
&& (((*it)->data(3, Qt::UserRole).toString() == "lock" // see updateTree()
&& !BACKEND->isEncryptedPath(path))
|| ((*it)->data(3, Qt::UserRole).toString().isEmpty()
&& BACKEND->isEncryptedPath(path))))) {
qDeleteAll((*it)->takeChildren());
delete *it;
}
else {
items.insert(path, *it);
++it;
}
}
return items;
}
QString mainWin::allArchivingTypes() {
static const QString allTypes = tr("All Types") + " (*.tar.gz *.tar.xz *.tar.bz *.tar.bz2 *.tar.lzma *.tar.zst *.tar *.zip *.tgz *.txz *.tzst *.tbz *.tbz2 *.tlz *.cpio *.ar *.7z *.gz)";
return allTypes;
}
QString mainWin::archivingTypes() {
static QString fileTypes;
if (fileTypes.isEmpty()) {
QStringList types;
types << allArchivingTypes();
QStringList tmp;
tmp << tr("Uncompressed Archive") + " (*.tar)";
tmp << tr("GZip Compressed Archive") + " (*.tar.gz *.tgz)";
tmp << tr("BZip Compressed Archive") + " (*.tar.bz *.tbz)";
tmp << tr("BZip2 Compressed Archive") + " (*.tar.bz2 *.tbz2)";
tmp << tr("LMZA Compressed Archive") + " (*.tar.lzma *.tlz)";
tmp << tr("XZ Compressed Archive") + " (*.tar.xz *.txz)";
tmp << tr("Zstandard Compressed Archive") + " (*.tar.zst *.tzst)";
tmp << tr("CPIO Archive") + " (*.cpio)";
//types << tr("PAX Archive") + " (*.pax)";
tmp << tr("AR Archive") + " (*.ar)";
//tmp << tr("SHAR Archive") + " (*.shar)";
tmp << tr("Zip Archive") + " (*.zip)";
tmp << tr("Gzip Archive") + " (*.gz)";
tmp << tr("7-Zip Archive") + " (*.7z)";
tmp.sort();
types << tmp;
fileTypes = types.join(";;");
}
return fileTypes;
}
QHash<QString, QString> mainWin::supportedMimeTypes() {
static QHash<QString, QString> supported;
if (supported.isEmpty()) {
supported.insert ("application/x-tar", tr("Uncompressed Archive") + " (*.tar)");
supported.insert ("application/x-compressed-tar", tr("GZip Compressed Archive") + " (*.tar.gz *.tgz)");
supported.insert ("application/x-bzip-compressed-tar", tr("BZip Compressed Archive") + " (*.tar.bz *.tbz)");
supported.insert ("application/x-bzip1-compressed-tar", tr("BZip Compressed Archive") + " (*.tar.bz *.tbz)");
supported.insert ("application/x-bzip2-compressed-tar", tr("BZip2 Compressed Archive") + " (*.tar.bz2 *.tbz2)");
supported.insert ("application/x-bzip", tr("READ-ONLY: BZip Archive") + " (*.bz)");
supported.insert ("application/x-bzip1", tr("READ-ONLY: BZip Archive") + " (*.bz)");
supported.insert ("application/x-bzip2", tr("READ-ONLY: BZip2 Archive") + " (*.bz2)");
supported.insert ("application/x-bzpdf", tr("READ-ONLY: BZip2 Compressed PDF Document") + " (*.pdf.bz2)");
supported.insert ("application/x-xz-compressed-tar", tr("XZ Compressed Archive") + " (*.tar.xz *.txz)");
supported.insert ("application/x-xz", tr("READ-ONLY: XZ archive") + " (*.xz)");
supported.insert ("application/x-xzpdf", tr("READ-ONLY: XZ Compressed PDF Document") + " (*.pdf.xz)");
supported.insert ("application/x-lzma-compressed-tar", tr("LMZA Compressed Archive") + " (*.tar.lzma *.tlz)");
supported.insert ("application/x-zstd-compressed-tar", tr("Zstandard Compressed Archive") + " (*.tar.zst *.tzst)");
supported.insert ("application/zstd", tr("READ-ONLY: Zstandard archive") + " (*.zst)");
supported.insert ("application/x-cpio", tr("CPIO Archive") + " (*.cpio)");
//supported.insert ("?", tr("PAX Archive") + " (*.pax)");
supported.insert ("application/x-archive", tr("AR Archive") + " (*.ar)");
//supported.insert ("application/x-shar", tr("SHAR Archive") + " (*.shar)");
supported.insert ("application/zip", tr("Zip Archive") + " (*.zip)");
supported.insert ("application/x-7z-compressed", tr("7-Zip Archive") + " (*.7z)");
supported.insert ("application/gzip", tr("Gzip Archive") + " (*.gz)");
supported.insert ("application/x-gzpdf", tr("Gzip Compressed PDF Document") + " (*.pdf.gz)");
supported.insert ("image/svg+xml-compressed", tr("READ-ONLY: Compressed SVG Image") + " (*.svgz)");
supported.insert ("application/x-cd-image", tr("READ-ONLY: ISO Image") + " (*.iso *.img)");
supported.insert ("application/vnd.efi.iso", tr("READ-ONLY: ISO Image") + " (*.iso *.img)");
supported.insert ("application/x-raw-disk-image", tr("READ-ONLY: ISO Image") + " (*.iso *.img)");
supported.insert ("application/vnd.efi.img", tr("READ-ONLY: ISO Image") + " (*.iso *.img)");
supported.insert ("application/x-xar", tr("READ-ONLY: XAR Archive") + " (*.xar)");
supported.insert ("application/x-java-archive", tr("READ-ONLY: Java Archive") + " (*.jar)");
supported.insert ("application/vnd.debian.binary-package", tr("READ-ONLY: Debian Package") + " (*.deb)");
supported.insert ("application/x-rpm", tr("READ-ONLY: RedHat Package") + " (*.rpm)");
supported.insert ("application/x-source-rpm", tr("READ-ONLY: RedHat Package") + " (*.rpm)");
supported.insert ("application/x-ms-dos-executable", tr("READ-ONLY: MS Windows Executable") + " (*.exe *.com)");
supported.insert ("application/vnd.microsoft.portable-executable", tr("READ-ONLY: MS Windows Executable") + " (*.exe *.com)");
supported.insert ("application/x-msdownload", tr("READ-ONLY: MS Windows Executable") + " (*.exe *.com)");
supported.insert ("application/x-msi", tr("READ-ONLY: MS Windows Installer Package") + " (*.msi)");
supported.insert ("application/vnd.ms-cab-compressed", tr("READ-ONLY: MS Windows Cabinet Archive") + " (*.cab)");
supported.insert ("application/x-ace", tr("READ-ONLY: ACE archive") + " (*.ace)");
supported.insert ("application/vnd.android.package-archive", tr("READ-ONLY: Android Package") + " (*.apk)");
supported.insert ("application/vnd.rar", tr("READ-ONLY: RAR Archive") + " (*.rar)");
supported.insert ("application/vnd.appimage", tr("READ-ONLY: AppImage application bundle") + " (*.appimage)");
supported.insert ("application/x-virtualbox-vbox-extpack", tr("READ-ONLY: VirtualBox Extension Pack") + " (*.vbox-extpack)");
}
return supported;
}
QString mainWin::openingTypes() {
static QString fileTypes;
if (fileTypes.isEmpty()) {
QStringList types;
types << tr("All Known Types") + " (*.tar.gz *.tar.xz *.xz *.tar.bz *.tar.bz2 *.bz *.bz2 *.tar.lzma *.tar.zst *.zst *.tar *.zip *.tgz *.txz *.tzst *.tbz *.tbz2 *.tlz *.cpio *.ar *.7z *.gz *.svgz *.iso *.img *.xar *.jar *.deb *.rpm *.exe *.com *.msi *.cab *.ace *.apk *.rar *.appimage *.vbox-extpack *.dmg)";
QStringList l = supportedMimeTypes().values();
l.removeDuplicates();
l.sort();
types << l;
types << tr("Show All Files") + " (*)";
fileTypes = types.join(";;");
}
return fileTypes;
}
QString mainWin::filterToExtension(const QString& filter) {
if (filter.isEmpty()) return QString();
QString f = filter;
auto left = f.indexOf('(');
if (left != -1) {
++left;
auto right = f.indexOf(')', left);
if (right == -1)
right = f.length();
f = f.mid(left, right - left);
}
else
return QString();
auto list = f.simplified().split(' ');
if (!list.isEmpty()) {
f = list.at(0);
if (!f.isEmpty()) {
f.remove("*");
}
}
else return QString();
/* validate the extension */
if (!f.isEmpty()) {
QRegularExpressionMatch match;
int indx = f.indexOf(archivingExt, 0, &match);
if (indx == 0 && indx + match.capturedLength() == f.length())
return f;
}
return QString();
}
void mainWin::newArchive() {
QString file;
QString ext = (lastFilter_.isEmpty() ? ".tar.gz" : filterToExtension(lastFilter_));
QString path;
if (!saFileList_.isEmpty())
path = saFileList_.at(0);
bool retry(true);
while (retry) {
QFileDialog dlg(this, tr("Create Archive"),
/* KDE's buggy file dialog needs a directory path here */
path.isEmpty() ? lastPath_ : path.section("/", 0, -2),
archivingTypes());
if (!path.isEmpty()) { // add an appropriate extension
path += ext;
dlg.selectFile(path);
}
dlg.setAcceptMode(QFileDialog::AcceptSave);
dlg.setFileMode(QFileDialog::AnyFile);
dlg.selectNameFilter(lastFilter_);
if (dlg.exec()) {
QString f = dlg.selectedNameFilter();
if (f != allArchivingTypes())
lastFilter_ = f;
file = dlg.selectedFiles().at(0);
}
else return; // with auto-archiving, the application will exit because its main window isn't shown
if (file.isEmpty()) return;
QRegularExpressionMatch match;
int indx = file.lastIndexOf(archivingExt, -1, &match);
if (indx > 0 && indx + match.capturedLength() == file.length())
retry = false; // the input had an acceptable extension
else {
if (QFile::exists(file + ext)) {
QMessageBox::StandardButton btn = QMessageBox::question(this,
tr("Question"),
tr("The following archive already exists:")
+ QString("\n\n%1\n\n").arg(file)
+ tr("Do you want to replace it?\n"),
QMessageBox::Yes | QMessageBox::No,
QMessageBox::No);
if (btn == QMessageBox::No)
path = file;
else {
file += ext;
retry = false;
}
}
else {
file += ext;
retry = false;
}
}
}
/* we don't show the window with auto-archiving (see loadArguments) */
if (!isVisible())
show();
lastPath_ = file.section("/", 0, -2);
textLabel_->clear();
BACKEND->loadFile(file);
}
void mainWin::openArchive() {
if (ui->actionUpdate->isEnabled()) {
if (!ignoreChanges())
return;
}
QString file;
QFileDialog dlg(this, tr("Open Archive"), lastPath_, openingTypes());
dlg.setAcceptMode(QFileDialog::AcceptOpen);
dlg.setFileMode(QFileDialog::ExistingFile);
if (dlg.exec())
file = dlg.selectedFiles().at(0);
if (file.isEmpty()) return;
lastPswrd_.clear();
lastPath_ = file.section("/", 0, -2);
textLabel_->setText(tr("Opening Archive..."));
expandAll_ = true;
BACKEND->loadFile(file);
}
void mainWin::dragEnterEvent(QDragEnterEvent *event) {
if (BACKEND->isWorking() // no DND when the backend is busy
|| event->source()) {
// if the drag has originated in this window, ignore it
// (needed when an archive contains archives, as with deb packages)
event->ignore();
return;
}
static const QStringList unadvertisedMimeTypes = {"application/x-apple-diskimage",
"application/vnd.snap"};
if (event->mimeData()->hasUrls()) {
const QList<QUrl> urlList = event->mimeData()->urls();
if (!urlList.isEmpty()) {
QString file = urlList.at(0).toLocalFile();
if (!file.isEmpty()) {
QString mime = BACKEND->getMimeType(file);
if (!supportedMimeTypes().contains(mime)
&& !unadvertisedMimeTypes.contains(mime)) {
event->ignore();
return;
}
}
}
event->acceptProposedAction();
}
else event->ignore();
}
void mainWin::dropEvent(QDropEvent *event) {
if (BACKEND->isWorking()) {
event->ignore();
return;
}
const QList<QUrl> urlList = event->mimeData()->urls();
if (!urlList.isEmpty()) {
QString file = urlList.at(0).toLocalFile();
if (!file.isEmpty()) {
lastPswrd_.clear();
lastPath_ = file.section("/", 0, -2);
textLabel_->setText(tr("Opening Archive..."));
expandAll_ = true;
BACKEND->loadFile(file);
raise();
activateWindow();
}
}
event->acceptProposedAction();
}
void mainWin::addFiles() {
QStringList files;
if (BACKEND->isGzip()) { // accepts only one file
QFileDialog dialog(this);
dialog.setAcceptMode(QFileDialog::AcceptOpen);
dialog.setWindowTitle(tr("Add to Archive"));
dialog.setFileMode(QFileDialog::ExistingFile);
dialog.setDirectory(lastPath_);
if (dialog.exec())
files = dialog.selectedFiles();
}
else
files = QFileDialog::getOpenFileNames(this, tr("Add to Archive"), lastPath_);
if (files.isEmpty()) return;
if (!files.at(0).isEmpty())
lastPath_ = files.at(0).section("/", 0, -2);
/* NOTE: If the archive has list encryption or a file already exists
in the archive and is encrypted, the password will be needed.
Otherwise, the password will be optional. */
bool passWordSet(false);
if (lastPswrd_.isEmpty() && BACKEND->hasEncryptedList()) {
if (!pswrdDialog(true, true)) return;
passWordSet = true;
}
int tc = ui->tree_contents->topLevelItemCount();
for (int i = 0; i < tc; ++i) {
QTreeWidgetItem *item = ui->tree_contents->topLevelItem(i);
#if (QT_VERSION >= QT_VERSION_CHECK(6,6,0))
for (auto &file : std::as_const(files))
#else
for (auto &file : qAsConst(files))
#endif
{
if (file.section("/",-1) == item->whatsThis(0)) {
BACKEND->removeSingleExtracted(item->whatsThis(0)); // the file will be replaced
if (lastPswrd_.isEmpty() && subTreeIsEncrypted(item)) {
if (!pswrdDialog()) return;
passWordSet = true;
break;
}
}
}
}
if (lastPswrd_.isEmpty() && !passWordSet) // optional password
BACKEND->setPswrd(QString());
scrollToCurrent_ = false;
textLabel_->setText(tr("Adding Items..."));
BACKEND->startAdd(files);
}
void mainWin::addDirs() { // only a single directory for now
QString dir = QFileDialog::getExistingDirectory(this, tr("Add to Archive"), lastPath_ );
if (dir.isEmpty()) return;
lastPath_ = dir;
/* as in addFiles() */
bool passWordSet(false);
if (lastPswrd_.isEmpty() && BACKEND->hasEncryptedList()) {
if (!pswrdDialog(true, true)) return;
passWordSet = true;
}
int tc = ui->tree_contents->topLevelItemCount();
for (int i = 0; i < tc; ++i) {
QTreeWidgetItem *item = ui->tree_contents->topLevelItem(i);
if (dir.section("/",-1) == item->whatsThis(0)) {
BACKEND->removeSingleExtracted(item->whatsThis(0)); // the directory will be replaced
if (lastPswrd_.isEmpty() && subTreeIsEncrypted(item)) {
if (!pswrdDialog()) return;
passWordSet = true;
}
break;
}
}
if (lastPswrd_.isEmpty() && !passWordSet)
BACKEND->setPswrd(QString());
scrollToCurrent_ = false;
textLabel_->setText(tr("Adding Items..."));
BACKEND->startAdd(QStringList() << dir);
}
// Check if this item or any of its children is encrypted.
bool mainWin::subTreeIsEncrypted(QTreeWidgetItem *item) {
if (BACKEND->isEncrypted() && BACKEND->getPswrd().isEmpty()) {
if (BACKEND->isEncryptedPath(item->whatsThis(0)))
return true;
int N = item->childCount();
if (N > 0) {
for (int i = 0; i < N; ++i) {
if (subTreeIsEncrypted(item->child(i)))
return true;
}
}
}
return false;
}
void mainWin::removeFiles() {
const QList<QTreeWidgetItem*> sel = ui->tree_contents->selectedItems();
if (sel.isEmpty()) return;
if (config_.getRemovalPrompt()) {
if (QMessageBox::question(this,
tr("Question"),
tr("Do you want to remove the selected item(s)?\n"),
QMessageBox::Yes | QMessageBox::No,
QMessageBox::No)
== QMessageBox::No) {
return;
}