/
App.cpp
2491 lines (2148 loc) · 61.1 KB
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App.cpp
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#include <chrono>
#include <fcntl.h>
#include <iostream>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/statvfs.h>
#include <unistd.h>
#include <sys/eventfd.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <stdio.h>
#include <stdlib.h>
//#include <webm/reader.h>
#include "App.hpp"
#include "AutoDelete.hh"
#include "DesktopFile.hpp"
#include "ElapsedTimer.hpp"
#include "ExecInfo.hpp"
#include "Hid.hpp"
#include "History.hpp"
#include "io/disks.hh"
#include "io/File.hpp"
#include "io/Files.hpp"
#include "io/io.hh"
#include "io/SaveFile.hpp"
#include "io/socket.hh"
#include "gui/actions.hxx"
#include "gui/ConfirmDialog.hpp"
#include "gui/IconView.hpp"
#include "gui/Location.hpp"
#include "gui/SearchPane.hpp"
#include "gui/sidepane.hh"
#include "gui/Tab.hpp"
#include "gui/TabBar.hpp"
#include "gui/Table.hpp"
#include "gui/TableModel.hpp"
#include "gui/TabsWidget.hpp"
#include "gui/TextEdit.hpp"
#include "gui/ToolBar.hpp"
#include "gui/TreeItem.hpp"
#include "gui/TreeModel.hpp"
#include "gui/TreeView.hpp"
//#include "mc/mc.hh"
#include "Media.hpp"
#include "prefs.hh"
#include "Prefs.hpp"
#include "str.hxx"
#include "thumbnail.hh"
#include <QApplication>
#include <QBoxLayout>
#include <QCoreApplication>
#include <QDesktopServices>
#include <QDialog>
#include <QDialogButtonBox>
#include <QDir>
#include <QFile>
#include <QFileDialog>
#include <QFileInfo>
#include <QFontMetricsF>
#include <QFormLayout>
#include <QGuiApplication>
#include <QIcon>
#include <QImageReader>
#include <QInputDialog>
#include <QLabel>
#include <QMessageBox>
#include <QPixmap>
#include <QProcess>
#include <QProcessEnvironment>
#include <QPushButton>
#include <QScrollBar>
#include <QShowEvent>
#include <QStandardPaths>
#include <QTabWidget>
#include <QToolButton>
#include <QUrl>
#include <sched.h>
#include <glib.h>
#include <polkit/polkit.h>
//#include <polkitagent/polkitagent.h>
namespace cornus {
void* ThumbnailLoader (void *args)
{
pthread_detach(pthread_self());
cornus::ThumbLoaderData *th_data = (cornus::ThumbLoaderData*) args;
MTL_CHECK_ARG(th_data->Lock(), NULL);
ZSTD_DCtx *decompress_context = ZSTD_createDCtx();
ByteArray temp_ba;
io::ReadParams read_params = {};
read_params.print_errors = PrintErrors::No;
read_params.can_rely = CanRelyOnStatxSize::Yes;
while (th_data->wait_for_work)
{
if (th_data->new_work == nullptr)
{
cint status = th_data->CondWaitForNewWork();
if (status != 0)
{
mtl_status(status);
break;
}
}
ThumbLoaderArgs *new_work = th_data->new_work;
if (new_work == nullptr)
continue;
th_data->Unlock();
QString thumb_in_temp_path = io::BuildTempPathFromID(new_work->file_id);
Thumbnail *thumbnail = nullptr;
cbool has_ext_attr = !new_work->ba.is_empty();
temp_ba.to(0);
thumbnail::AbiType abi_version = -1;
if (has_ext_attr || io::ReadFile(thumb_in_temp_path, temp_ba, read_params))
{
// mtl_info("%s: %s, has_ext_attr: %d", qPrintable(new_work->full_path),
// qPrintable(thumb_in_temp_path), has_ext_attr);
ByteArray &img_ba = has_ext_attr ? new_work->ba : temp_ba;
i32 orig_img_w, orig_img_h;
QImage img = thumbnail::ImageFromByteArray(img_ba,
orig_img_w, orig_img_h, abi_version, decompress_context);
if (!img.isNull())
{
thumbnail = new Thumbnail();
thumbnail->abi_version = abi_version;
thumbnail->img = img;
thumbnail->file_id = new_work->file_id.inode_number;
thumbnail->time_generated = time(NULL);
thumbnail->w = img.width();
thumbnail->h = img.height();
thumbnail->original_image_w = orig_img_w;
thumbnail->original_image_h = orig_img_h;
thumbnail->tab_id = new_work->tab_id;
thumbnail->dir_id = new_work->dir_id;
thumbnail->origin = has_ext_attr ? Origin::ExtAttr : Origin::TempDir;
}
}
if (thumbnail == nullptr)
{
thumbnail = thumbnail::Load(new_work->full_path,
new_work->file_id.inode_number,
new_work->ext, new_work->icon_w,
new_work->icon_h, new_work->tab_id,
new_work->dir_id);
if (thumbnail)
thumbnail->origin = Origin::DiskFile;
}
th_data->Lock();
if (thumbnail == nullptr)
{
th_data->new_work = nullptr;
//mtl_info("thumbnail failed %s", qPrintable(new_work->full_path));
continue;
}
if (!th_data->wait_for_work)
{
delete thumbnail;
break;
}
App *app = new_work->app;
delete new_work;
th_data->new_work = nullptr;
if (th_data->wait_for_work)
{
QMetaObject::invokeMethod(app, "ThumbnailArrived",
Q_ARG(cornus::Thumbnail*, thumbnail));
} else {
delete thumbnail;
break;
}
{ // signal that the thread is waiting for new work
th_data->Unlock();
if (th_data->global_data->TryLock())
{
th_data->global_data->SignalWorkQueueChanged();
th_data->global_data->Unlock();
}
th_data->Lock();
}
}
ZSTD_freeDCtx(decompress_context);
cu64 t = static_cast<u64>(pthread_self());
th_data->thread_exited = true;
// after Unlock() th_data might be already deleted, so save a pointer:
auto *global_data = th_data->global_data;
th_data->Unlock();
// signal that the thread exited
const bool unlock = global_data->Lock();
global_data->Broadcast();
if (unlock)
global_data->Unlock();
if (DebugThumbnailExit)
mtl_trace("%ld EXIT", t);
return nullptr;
}
void MountAdded(GVolumeMonitor *monitor, GMount *mount, gpointer user_data)
{
char *name = g_mount_get_name(mount);
GFile *file = g_mount_get_root(mount);
GVolume *vol = g_mount_get_volume(mount);
char *path = g_file_get_path(file);
char *uuid = g_volume_get_uuid(vol);
// mtl_info("added, uuid: %s", uuid);
QString uuid_str = uuid;
QString path_str = path;
g_free(uuid);
g_free(name);
g_free(path);
g_object_unref(file);
App *app = (App*)user_data;
app->tree_model()->MountEvent(path_str, uuid_str, PartitionEventType::Mount);
}
void MountRemoved(GVolumeMonitor *monitor, GMount *mount, gpointer user_data)
{
char *name = g_mount_get_name(mount);
GFile *file = g_mount_get_root(mount);
char *path = g_file_get_path(file);
QString path_str = path;
g_free(name);
g_free(path);
g_object_unref(file);
App *app = (App*)user_data;
app->tree_model()->MountEvent(path_str, QString(), PartitionEventType::Unmount);
}
void TestPolkit(App *app)
{
//PolkitIdentity *identity = polkit_unix_user_new (getuid());
//PolkitAgentSession *session = polkit_agent_session_new(identity);
}
void Print(const double x, const double y)
{
const double rem = std::fmod(x, y);
mtl_info("%.3f MOD %.3f = %f", x, y, rem);
}
bool is_big_endian() {
cu16 n = 1;
return *(char*)&n == 0;
}
short ReverseShort(short s)
{
short s1 = s << 8;
short s2 = s >> 8;
mtl_info("%#x, %#x", s1, s2);
if (is_big_endian()) {
return s;
} else {
return s << 8 | s >> 8;
}
}
App::App()
{
/* const char buf[256] = {0x01, 0x02, 0x03, 0x04};
mtl_info("FromLittle: %#010x, FromBig: %#010x",
qFromLittleEndian<u32>(buf),
qFromBigEndian<u32>(buf));
cu16 n = 0x1234;
mtl_info("Reversed short: %X", ReverseShort(n));
cu8 c = *(char*)&n;
mtl_info("res: %#10x", c);
if (c == 0x12) {
mtl_info("Big endian");
} else {
mtl_info("Little endian");
}
if (*(char*)&n == 0x34) {
mtl_info("Again, little endian");
} else {
mtl_info("Again, big endian");
}
cint i = 7;
printf("%#010x\n", i); // gives 0x00000007
printf("%#10x\n", i); // gives 0x7
printf("0x%08x\n", i); // gives 0x00000007
printf("%#08x\n", i); // gives 0x000007
*/
Init();
}
App::~App()
{
if (app_quitting_fd_ != -1)
{
// wake up epoll() to not wait till it times out
ci64 n = 1;
if (::write(app_quitting_fd_, &n, sizeof n) == -1)
mtl_status(errno);
::close(app_quitting_fd_);
}
ShutdownThumbnailThreads();
prefs_->Save();
QHashIterator<QString, QIcon*> i(icon_set_);
while (i.hasNext())
{
i.next();
QIcon *icon = i.value();
delete icon;
}
{
tree_data_.Lock();
tree_data_.sidepane_model_destroyed = true;
for (auto *item: tree_data_.roots)
delete item;
tree_data_.roots.clear();
tree_data_.Unlock();
}
{
/// table_ must be deleted before prefs_ because table_model_ calls
/// into prefs().show_free_partition_space() in TableModel::GetName()
delete tab_widget_;
delete prefs_;
prefs_ = nullptr;
}
delete media_;
media_ = nullptr;
delete hid_;
hid_ = nullptr;
if (compress_ctx_)
{
ZSTD_freeCCtx(compress_ctx_);
compress_ctx_ = nullptr;
}
for (auto *shortcut: shortcuts_)
delete shortcut;
shortcuts_.clear();
}
void App::ApplyDefaultPrefs()
{
// first time, apply sane default prefs:
prefs_->sync_views_scroll_location(true);
prefs_->remember_window_size(true);
prefs_->show_free_partition_space(true);
prefs_->show_dir_file_count(true);
prefs_->show_link_targets(true);
prefs_->store_thumbnails_in_ext_attrs(true);
auto &cols = prefs_->cols_visibility();
cols[(int)gui::Column::Size] = 1;
cols[(int)gui::Column::TimeModified] = 1;
cols[(int)gui::Column::TimeCreated] = 0;
}
void App::ArchiveAskDestArchivePath(const QString &ext)
{
QUrl url = QFileDialog::getExistingDirectoryUrl(this,
tr("Archive destination folder"),
QUrl::fromLocalFile(tab()->current_dir()));
if (url.isEmpty())
return;
QString to = url.toLocalFile();
ArchiveTo(to, ext);
}
void App::ArchiveTo(const QString &dir_path, const QString &ext)
{
QVector<QString> urls;
tab()->view_files().GetSelectedFileNames(Lock::Yes, urls, Path::Full);
if (urls.isEmpty())
return;
QProcess process;
process.setWorkingDirectory(dir_path);
process.setProgram(QLatin1String("ark"));
QStringList args;
args.append(QLatin1String("-c"));
args.append(QLatin1String("-f"));
args.append(ext);
for (const auto &next: urls) {
args.append(next);
}
process.setArguments(args);
process.startDetached();
}
void App::AskCreateNewFile(io::File *file, const QString &title)
{
AutoDelete ad(file);
const QString text = file->name();
QDialog dialog(this);
dialog.setWindowTitle(title);
dialog.setModal(true);
QBoxLayout *vert_layout = new QBoxLayout(QBoxLayout::TopToBottom);
dialog.setLayout(vert_layout);
{ // icon + mime row
QBoxLayout *row = new QBoxLayout(QBoxLayout::LeftToRight);
QLabel *icon_label = new QLabel();
const QIcon *icon = GetFileIcon(file);
if (icon != nullptr) {
QPixmap pixmap = icon->pixmap(QSize(64, 64));
icon_label->setPixmap(pixmap);
}
row->addWidget(icon_label);
QLabel *text_label = new QLabel();
text_label->setAlignment(Qt::AlignLeft | Qt::AlignVCenter);
text_label->setTextInteractionFlags(Qt::TextSelectableByMouse);
text_label->setText("<b>" + tr("Name:") + "</b>");
row->addWidget(text_label, 2);
vert_layout->addLayout(row);
}
QLineEdit *le = new QLineEdit();
{ // file name row
vert_layout->addWidget(le);
le->setText(text);
const QString tar = QLatin1String(".tar.");
int index = text.lastIndexOf(tar);
if (index > 0) {
le->setSelection(0, index);
} else {
index = text.lastIndexOf('.');
if (index > 0 && index < (text.size() - 1)) {
le->setSelection(0, index);
} else {
le->setSelection(0, text.size());
}
}
}
{ // ok + cancel buttons row
QDialogButtonBox *button_box = new QDialogButtonBox
(QDialogButtonBox::Ok | QDialogButtonBox::Cancel);
connect(button_box, &QDialogButtonBox::accepted, &dialog, &QDialog::accept);
connect(button_box, &QDialogButtonBox::rejected, &dialog, &QDialog::reject);
vert_layout->addWidget(button_box);
}
QFontMetrics fm = tab()->table()->fontMetrics();
int w = fm.horizontalAdvance(text);
w = std::min(800, std::max(w + 80, 400)); // between 300 and 800
dialog.resize(w, 100);
bool ok = dialog.exec();
if (!ok)
return;
QString value = le->text().trimmed();
if (value.isEmpty())
return;
file->name(value);
const QString new_path = file->build_full_path();
auto path_ba = new_path.toLocal8Bit();
tab()->view_files().SelectFilenamesLater({file->name()}, SameDir::Yes);
int fd;
if (file->is_dir()) {
fd = mkdir(path_ba.data(), 0775);
} else {
fd = open(path_ba.data(), O_RDWR | O_CREAT | O_EXCL, 0664);
}
if (fd == -1) {
if (errno == EEXIST) {
QString name = QString("\"") + file->name();
TellUser(name + "\" already exists", tr("Failed"));
} else {
QString msg = QString("Couldn't create file: ") +
strerror(errno);
TellUser(msg, tr("Failed"));
}
} else {
::close(fd);
}
}
int App::AvailableCpuCores() const
{
// Caching available cores because according to the documentation
// each sysconf() call opens and parses files in /sys. It's unclear
// whether QThread::idealThreadCount() caches the result.
static int available_cores_ = -1;
if (available_cores_ == -1)
available_cores_ = sysconf(_SC_NPROCESSORS_ONLN);
return available_cores_;
}
void App::ClipboardChanged(QClipboard::Mode mode)
{
if (mode != QClipboard::Clipboard)
return;
const QClipboard *clipboard = QApplication::clipboard();
const QMimeData *mime = clipboard->mimeData();
// mimeData can be 0 according to https://bugs.kde.org/show_bug.cgi?id=335053
if (!mime) {
return;
}
#ifdef DEBUG_CLIPBOARD
mtl_info("Clipboard changed");
#endif
io::GetClipboardFiles(*mime, clipboard_);
if (!clipboard_.has_files())
return;
QSet<int> indices;
tab()->table()->SyncWith(clipboard_, indices);
tab()->table_model()->UpdateIndices(indices);
}
void App::CloseCurrentTab()
{
CloseTabAt(tab_widget_->currentIndex());
}
void App::CloseTabAt(cint i)
{
if (tab_widget_->count() == 1)
{
QApplication::quit();
} else {
auto *tab = tab_widget_->widget(i);
tab_widget_->removeTab(i);
delete tab;
}
}
void App::CreateGui()
{
toolbar_ = new gui::ToolBar(this);
location_ = toolbar_->location();
addToolBar(toolbar_);
top_level_stack_.stack = new QStackedWidget();
setCentralWidget(top_level_stack_.stack);
main_splitter_ = new QSplitter(Qt::Horizontal);
top_level_stack_.window_index = top_level_stack_.stack->addWidget(main_splitter_);
top_level_stack_.stack->setCurrentIndex(top_level_stack_.window_index);
CreateSidePane();
CreateFilesViewPane();
main_splitter_->setStretchFactor(0, 0);
main_splitter_->setStretchFactor(1, 1);
auto &sizes = prefs_->splitter_sizes();
if (sizes.size() > 0)
main_splitter_->setSizes(sizes);
prefs_->UpdateTableSizes();
{
QIcon icon = QIcon::fromTheme(QLatin1String("window-new"));
QToolButton *btn = new QToolButton();
btn->setIcon(icon);
connect(btn, &QAbstractButton::clicked, [=] () {
OpenNewTab();
});
tab_widget_->setCornerWidget(btn, Qt::TopRightCorner);
}
tab()->FocusView();
}
void App::CreateFilesViewPane()
{
QWidget *table_pane = new QWidget();
QBoxLayout *vert_layout = new QBoxLayout(QBoxLayout::TopToBottom);
vert_layout->setContentsMargins(0, 0, 0, 0);
vert_layout->setSpacing(0);
table_pane->setLayout(vert_layout);
vert_layout->addWidget(tab_widget_);
search_pane_ = new gui::SearchPane(this);
vert_layout->addWidget(search_pane_);
search_pane_->setVisible(false);
main_splitter_->addWidget(table_pane);
{
auto g = gui_bits_.guard();
gui_bits_.created(true);
gui_bits_.Broadcast();
}
}
QMenu* App::CreateNewMenu()
{
QMenu *menu = new QMenu(tr("Create &New"), this);
{
QAction *action = menu->addAction(tr("Folder"));
auto *icon = GetFolderIcon();
if (icon != nullptr)
action->setIcon(*icon);
connect(action, &QAction::triggered, [=] {
AskCreateNewFile(io::File::NewFolder(tab()->current_dir(), "New Folder"),
tr("Create New Folder"));
});
}
{
QAction *action = menu->addAction(tr("Text File"));
auto *icon = GetIcon(QLatin1String("text"));
if (icon != nullptr)
action->setIcon(*icon);
connect(action, &QAction::triggered, [=] {
AskCreateNewFile(io::File::NewTextFile(tab()->current_dir(), "File.txt"),
tr("Create New File"));
});
}
QString config_path = QStandardPaths::writableLocation(QStandardPaths::ConfigLocation);
if (!config_path.endsWith('/'))
config_path.append('/');
QString full_path = config_path.append(QLatin1String("Templates"));
QVector<QString> names;
io::ListFileNames(full_path, names);
std::sort(names.begin(), names.end());
if (!names.isEmpty())
menu->addSeparator();
QString dir_path = tab()->current_dir();
if (!dir_path.endsWith('/'))
dir_path.append('/');
for (const auto &name: names)
{
QString from_full_path = full_path + '/' + name;
QString ext = io::GetFileNameExtension(name).toString();
if (ext.isEmpty())
continue;
QAction *action = new QAction(name);
QIcon *icon = GetIcon(ext);
if (icon != nullptr)
action->setIcon(*icon);
connect(action, &QAction::triggered, [=] {
tab()->view_files().SelectFilenamesLater({name}, SameDir::Yes);
io::CopyFileFromTo(from_full_path, dir_path);
});
menu->addAction(action);
}
return menu;
}
void App::CreateSidePane()
{
tree_model_ = new gui::TreeModel(this);
tree_view_ = new gui::TreeView(this, tree_model_);
tree_model_->SetView(tree_view_);
main_splitter_->addWidget(tree_view_);
{
auto guard = tree_data_.guard();
tree_data_.widgets_created = true;
tree_data_.Broadcast();
}
}
DirId App::current_dir_id() const
{
auto &files = tab()->view_files();
auto g = files.guard();
return files.data.dir_id;
}
void App::DeleteFilesById(const FilesId id)
{
io::Files *p = files_.value(id, nullptr);
if (p != nullptr)
{
files_.remove(id);
delete p;
}
}
void App::DetectThemeType()
{
const QStyleOptionViewItem option = tree_view_->option();
const QColor c = option.palette.window().color();
const i32 avg = (c.red() + c.green() + c.blue()) / 3;
theme_type_ = (avg > 150) ? ThemeType::Light : ThemeType::Dark;
// mtl_info("avg: %d, light: %s", avg, (theme_type_ == ThemeType::Light)
// ? "true" : "false");
}
void App::DisplayFileContents(cint row, io::File *cloned_file)
{
if (cloned_file == nullptr)
{
cloned_file = tab()->view_files().GetFileAtIndex(Lock::Yes, row);
if (cloned_file == nullptr)
return;
}
SetTopLevel(TopLevel::Editor, cloned_file);
}
void App::DisplaySymlinkInfo(io::File &file)
{
if (!file.has_link_target())
file.ReadLinkTarget(Lock::Yes);
io::LinkTarget *t = file.link_target();
MTL_CHECK_VOID(t != nullptr);
QDialog dialog(this);
dialog.setWindowTitle("Symlink path chain");
QFormLayout *layout = new QFormLayout();
dialog.setLayout(layout);
QFont font;
QFontMetricsF font_metrics(font);
int max_len = 20;
for (const QString &next: t->chain_paths_)
{
const auto w = font_metrics.horizontalAdvance(next);
if (w > max_len)
max_len = w + 50;
}
// 300 <= width <= 900
max_len = std::min(900, std::max(350, max_len));
static auto go_icon = QIcon::fromTheme(QLatin1String("go-jump"));
for (auto &next: t->chain_paths_)
{
QLineEdit *input = new QLineEdit();
input->setReadOnly(true);
input->setFixedWidth(max_len);
input->setText(next);
auto *go_btn = new QPushButton(go_icon, QString());
go_btn->setToolTip("Go to this file");
connect(go_btn, &QPushButton::clicked, [&dialog, this, next]() {
dialog.close();
tab()->GoToAndSelect(next);
});
layout->addRow(input, go_btn);
}
dialog.exec();
}
void App::EditSelectedMovieTitle()
{
QString ext;
QString full_path = tab()->view_files().GetFirstSelectedFileFullPath(Lock::Yes, &ext);
if (full_path.isEmpty())
return;
QString file_name = io::GetFileNameOfFullPath(full_path).toString();
if (file_name.isEmpty())
return;
gui::InputDialogParams params;
// mc::ReadMkv() is extremely resource intensive,
// seems to read the whole .mkv file before returning anything
params.initial_value = file_name;//mc::ReadMkvTitle(full_path);
params.title = tr("Edit movie title");
params.msg = file_name;
params.placeholder_text = tr("Movie title");
params.icon = GetIcon(ext);
QString movie_title;
if (!ShowInputDialog(params, movie_title))
return;
movie_title = movie_title.trimmed();
if (movie_title.isEmpty())
return;
QProcess process;
{ // WORKAROUND for mkvpropedit's UTF-8 support. Inspired from:
// https://www.qtcentre.org/threads/5375-Passing-to-a-console-application-(managed-via-QProcess)-UTF-8-encoded-parameters
auto env = QProcessEnvironment::systemEnvironment();
env.insert(QLatin1String("LANG"), QLatin1String("en_US.UTF-8"));
process.setProcessEnvironment(env);
}
process.setProgram(QLatin1String("mkvpropedit"));
process.setWorkingDirectory(tab()->current_dir());
QStringList args;
args.append(file_name);
args.append(QLatin1String("--edit"));
args.append(QLatin1String("info"));
args.append(QLatin1String("--set"));
QString t = QLatin1String("title=") + movie_title;
args.append(QString::fromLocal8Bit(t.toUtf8()));
process.setArguments(args);
process.startDetached();
}
bool App::event(QEvent *evt)
{
/** NB: Retain the order - first call QWidget::event(evt) and then
everything else, otherwise DetectThemeType() won't get called
before the other widgets get repainted with the new theme. */
const auto ret = QWidget::event(evt);
switch (evt->type())
{
case QEvent::ApplicationPaletteChange: {
DetectThemeType();
break;
}
default:;
}
return ret;
}
void App::ExtractAskDestFolder()
{
QUrl dir = QUrl::fromLocalFile(tab()->current_dir());
QUrl url = QFileDialog::getExistingDirectoryUrl(this,
tr("Extract destination folder"), dir);
if (url.isEmpty())
return;
ExtractTo(url.toLocalFile());
}
void App::ExtractTo(const QString &to_dir)
{
QVector<QString> urls;
tab()->GetSelectedArchives(urls);
if (urls.isEmpty())
return;
QProcess process;
process.setWorkingDirectory(to_dir);
process.setProgram(QLatin1String("ark"));
QStringList args;
args.append(QLatin1String("-b"));
args.append(QLatin1String("-a"));
for (const auto &next: urls) {
args.append(next);
}
process.setArguments(args);
process.startDetached();
}
void App::FileDoubleClicked(io::File *file, const PickBy pb)
{
cornus::AutoDelete ad(file);
if (pb == PickBy::Icon)
{
if (file->is_symlink()) {
DisplaySymlinkInfo(*file);
} else {
DisplayFileContents(-1, file->Clone());
}
} else if (pb == PickBy::VisibleName) {
if (file->is_dir()) {
QString full_path = file->build_full_path();
tab()->GoTo(Action::To, {full_path, Processed::No});
} else if (file->is_link_to_dir()) {
if (file->link_target() != nullptr) {
tab()->GoTo(Action::To, {file->link_target()->path, Processed::Yes});
}
} else if (file->is_regular() || file->is_symlink()) {
QString ext;
QString full_path;
bool has_exec_bit = false;
if (file->is_regular()) {
ext = file->cache().ext.toString();
has_exec_bit = file->has_exec_bit();
full_path = file->build_full_path();
} else {
io::LinkTarget *target = file->link_target();
if (target == nullptr)
return;
full_path = target->path;
has_exec_bit = io::HasExecBit(full_path) == Bool::Yes;
ext = io::GetFileNameExtension(full_path).toString().toLower();
}
if (ext == str::Desktop)
{
LaunchOrOpenDesktopFile(full_path,
has_exec_bit, RunAction::ChooseBasedOnExecBit);
return;
}
ExecInfo info = QueryExecInfo(full_path, ext);
if (info.is_elf() || info.is_shell_script()) {
RunExecutable(full_path, info);
} else {
OpenWithDefaultApp(full_path);
}
}
}
}
io::Files* App::files(const FilesId id) const
{
return files_.value(id, nullptr);
}
FilesId App::GenNextFilesId()
{
next_files_id_++;
files_.insert(next_files_id_, new io::Files());
return next_files_id_;
}
QIcon* App::GetDefaultIcon()
{ // this function must not return nullptr
if (icon_cache_.unknown == nullptr)
{
QString full_path = GetIconThatStartsWith(QLatin1String("text"));
if (full_path.isEmpty())
{
const QIcon ic = QIcon::fromTheme(QLatin1String("text-x-generic"));
icon_cache_.unknown = new QIcon(ic);
} else {
icon_cache_.unknown = GetIconOrLoadExisting(full_path);
}
}
return icon_cache_.unknown;
}
QIcon* App::GetFileIcon(io::File *file)
{
MTL_CHECK_ARG(file != nullptr, nullptr);
if (file->cache().icon == nullptr)
file->cache().icon = LoadIcon(*file);
return file->cache().icon;
}
QIcon* App::GetFolderIcon()
{
if (icon_cache_.folder != nullptr)
return icon_cache_.folder;
icon_cache_.folder = GetIcon(QLatin1String("special_folder"));
return icon_cache_.folder;
}
QIcon* App::GetIcon(const QString &str) {
QString full_path = GetIconThatStartsWith(str);
return GetIconOrLoadExisting(full_path);
}
QIcon* App::GetIconOrLoadExisting(const QString &icon_path)
{
if (icon_path.isEmpty())