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pcmanfm-qt-packaging/libfm-qt/filepropsdialog.cpp

442 lines
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/*
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 "filepropsdialog.h"
#include "ui_file-props.h"
#include "icontheme.h"
#include "utilities.h"
#include "fileoperation.h"
#include <QStringBuilder>
#include <QStringListModel>
#include <QMessageBox>
#include <qdial.h>
#include <sys/types.h>
#include <time.h>
#define DIFFERENT_UIDS ((uid)-1)
#define DIFFERENT_GIDS ((gid)-1)
#define DIFFERENT_PERMS ((mode_t)-1)
using namespace Fm;
enum {
ACCESS_NO_CHANGE = 0,
ACCESS_READ_ONLY,
ACCESS_READ_WRITE,
ACCESS_FORBID
};
FilePropsDialog::FilePropsDialog(FmFileInfoList* files, QWidget* parent, Qt::WindowFlags f):
QDialog(parent, f),
fileInfos_(fm_file_info_list_ref(files)),
singleType(fm_file_info_list_is_same_type(files)),
singleFile(fm_file_info_list_get_length(files) == 1 ? true:false),
fileInfo(fm_file_info_list_peek_head(files)),
mimeType(NULL) {
setAttribute(Qt::WA_DeleteOnClose);
ui = new Ui::FilePropsDialog();
ui->setupUi(this);
if(singleType) {
mimeType = fm_mime_type_ref(fm_file_info_get_mime_type(fileInfo));
}
FmPathList* paths = fm_path_list_new_from_file_info_list(files);
deepCountJob = fm_deep_count_job_new(paths, FM_DC_JOB_DEFAULT);
fm_path_list_unref(paths);
initGeneralPage();
initPermissionsPage();
}
FilePropsDialog::~FilePropsDialog() {
delete ui;
if(fileInfos_)
fm_file_info_list_unref(fileInfos_);
if(deepCountJob)
g_object_unref(deepCountJob);
if(fileSizeTimer) {
fileSizeTimer->stop();
delete fileSizeTimer;
fileSizeTimer = NULL;
}
}
void FilePropsDialog::initApplications() {
if(singleType && mimeType && !fm_file_info_is_dir(fileInfo)) {
ui->openWith->setMimeType(mimeType);
}
else {
ui->openWith->hide();
ui->openWithLabel->hide();
}
}
void FilePropsDialog::initPermissionsPage() {
// ownership handling
// get owner/group and mode of the first file in the list
uid = fm_file_info_get_uid(fileInfo);
gid = fm_file_info_get_gid(fileInfo);
mode_t mode = fm_file_info_get_mode(fileInfo);
ownerPerm = (mode & (S_IRUSR|S_IWUSR|S_IXUSR));
groupPerm = (mode & (S_IRGRP|S_IWGRP|S_IXGRP));
otherPerm = (mode & (S_IROTH|S_IWOTH|S_IXOTH));
execPerm = (mode & (S_IXUSR|S_IXGRP|S_IXOTH));
allNative = fm_file_info_is_native(fileInfo);
hasDir = S_ISDIR(mode);
// check if all selected files belongs to the same owner/group or have the same mode
// at the same time, check if all files are on native unix filesystems
GList* l;
for(l = fm_file_info_list_peek_head_link(fileInfos_)->next; l; l = l->next) {
FmFileInfo* fi = FM_FILE_INFO(l->data);
if(allNative && !fm_file_info_is_native(fi))
allNative = false; // not all of the files are native
mode_t fi_mode = fm_file_info_get_mode(fi);
if(S_ISDIR(fi_mode))
hasDir = true; // the files list contains dir(s)
if(uid != DIFFERENT_UIDS && uid != fm_file_info_get_uid(fi))
uid = DIFFERENT_UIDS; // not all files have the same owner
if(gid != DIFFERENT_GIDS && gid != fm_file_info_get_gid(fi))
gid = DIFFERENT_GIDS; // not all files have the same owner group
if(ownerPerm != DIFFERENT_PERMS && ownerPerm != (fi_mode & (S_IRUSR|S_IWUSR|S_IXUSR)))
ownerPerm = DIFFERENT_PERMS; // not all files have the same permission for owner
if(groupPerm != DIFFERENT_PERMS && groupPerm != (fi_mode & (S_IRGRP|S_IWGRP|S_IXGRP)))
groupPerm = DIFFERENT_PERMS; // not all files have the same permission for grop
if(otherPerm != DIFFERENT_PERMS && otherPerm != (fi_mode & (S_IROTH|S_IWOTH|S_IXOTH)))
otherPerm = DIFFERENT_PERMS; // not all files have the same permission for other
if(execPerm != DIFFERENT_PERMS && execPerm != (fi_mode & (S_IXUSR|S_IXGRP|S_IXOTH)))
execPerm = DIFFERENT_PERMS; // not all files have the same executable permission
}
// init owner/group
initOwner();
// if all files are of the same type, and some of them are dirs => all of the items are dirs
// rwx values have different meanings for dirs
// Let's make it clear for the users
// init combo boxes for file permissions here
QStringList comboItems;
comboItems.append("---"); // no change
if(singleType && hasDir) { // all files are dirs
comboItems.append(tr("View folder content"));
comboItems.append(tr("View and modify folder content"));
ui->executable->hide();
}
else { //not all of the files are dirs
comboItems.append(tr("Read"));
comboItems.append(tr("Read and write"));
}
comboItems.append(tr("Forbidden"));
QStringListModel* comboModel = new QStringListModel(comboItems, this);
ui->ownerPerm->setModel(comboModel);
ui->groupPerm->setModel(comboModel);
ui->otherPerm->setModel(comboModel);
// owner
ownerPermSel = ACCESS_NO_CHANGE;
if(ownerPerm != DIFFERENT_PERMS) { // permissions for owner are the same among all files
if(ownerPerm & S_IRUSR) { // can read
if(ownerPerm & S_IWUSR) // can write
ownerPermSel = ACCESS_READ_WRITE;
else
ownerPermSel = ACCESS_READ_ONLY;
}
else {
if((ownerPerm & S_IWUSR) == 0) // cannot read or write
ownerPermSel = ACCESS_FORBID;
}
}
ui->ownerPerm->setCurrentIndex(ownerPermSel);
// owner and group
groupPermSel = ACCESS_NO_CHANGE;
if(groupPerm != DIFFERENT_PERMS) { // permissions for owner are the same among all files
if(groupPerm & S_IRGRP) { // can read
if(groupPerm & S_IWGRP) // can write
groupPermSel = ACCESS_READ_WRITE;
else
groupPermSel = ACCESS_READ_ONLY;
}
else {
if((groupPerm & S_IWGRP) == 0) // cannot read or write
groupPermSel = ACCESS_FORBID;
}
}
ui->groupPerm->setCurrentIndex(groupPermSel);
// other
otherPermSel = ACCESS_NO_CHANGE;
if(otherPerm != DIFFERENT_PERMS) { // permissions for owner are the same among all files
if(otherPerm & S_IROTH) { // can read
if(otherPerm & S_IWOTH) // can write
otherPermSel = ACCESS_READ_WRITE;
else
otherPermSel = ACCESS_READ_ONLY;
}
else {
if((otherPerm & S_IWOTH) == 0) // cannot read or write
otherPermSel = ACCESS_FORBID;
}
}
ui->otherPerm->setCurrentIndex(otherPermSel);
// set the checkbox to partially checked state
// when owner, group, and other have different executable flags set.
// some of them have exec, and others do not have.
execCheckState = Qt::PartiallyChecked;
if(execPerm != DIFFERENT_PERMS) { // if all files have the same executable permission
// check if the files are all executable
if((mode & (S_IXUSR|S_IXGRP|S_IXOTH)) == (S_IXUSR|S_IXGRP|S_IXOTH)) {
// owner, group, and other all have exec permission.
ui->executable->setTristate(false);
execCheckState = Qt::Checked;
}
else if((mode & (S_IXUSR|S_IXGRP|S_IXOTH)) == 0) {
// owner, group, and other all have no exec permission
ui->executable->setTristate(false);
execCheckState = Qt::Unchecked;
}
}
ui->executable->setCheckState(execCheckState);
}
void FilePropsDialog::initGeneralPage() {
// update UI
if(singleType) { // all files are of the same mime-type
FmIcon* icon = NULL;
// FIXME: handle custom icons for some files
// FIXME: display special property pages for special files or
// some specified mime-types.
if(singleFile) { // only one file is selected.
icon = fm_file_info_get_icon(fileInfo);
}
if(mimeType) {
if(!icon) // get an icon from mime type if needed
icon = fm_mime_type_get_icon(mimeType);
ui->fileType->setText(QString::fromUtf8(fm_mime_type_get_desc(mimeType)));
ui->mimeType->setText(QString::fromUtf8(fm_mime_type_get_type(mimeType)));
}
if(icon) {
ui->iconButton->setIcon(IconTheme::icon(icon));
}
if(singleFile && fm_file_info_is_symlink(fileInfo)) {
ui->target->setText(QString::fromUtf8(fm_file_info_get_target(fileInfo)));
}
else {
ui->target->hide();
ui->targetLabel->hide();
}
} // end if(singleType)
else { // not singleType, multiple files are selected at the same time
ui->fileType->setText(tr("Files of different types"));
ui->target->hide();
ui->targetLabel->hide();
}
// FIXME: check if all files has the same parent dir, mtime, or atime
if(singleFile) { // only one file is selected
FmPath* parent_path = fm_path_get_parent(fm_file_info_get_path(fileInfo));
char* parent_str = parent_path ? fm_path_display_name(parent_path, true) : NULL;
ui->fileName->setText(QString::fromUtf8(fm_file_info_get_disp_name(fileInfo)));
if(parent_str) {
ui->location->setText(QString::fromUtf8(parent_str));
g_free(parent_str);
}
else
ui->location->clear();
ui->lastModified->setText(QString::fromUtf8(fm_file_info_get_disp_mtime(fileInfo)));
// FIXME: need to encapsulate this in an libfm API.
time_t atime;
struct tm tm;
atime = fm_file_info_get_atime(fileInfo);
localtime_r(&atime, &tm);
char buf[128];
strftime(buf, sizeof(buf), "%x %R", &tm);
ui->lastAccessed->setText(QString::fromUtf8(buf));
}
else {
ui->fileName->setText(tr("Multiple Files"));
ui->fileName->setEnabled(false);
}
initApplications(); // init applications combo box
// calculate total file sizes
fileSizeTimer = new QTimer(this);
connect(fileSizeTimer, &QTimer::timeout, this, &FilePropsDialog::onFileSizeTimerTimeout);
fileSizeTimer->start(600);
g_signal_connect(deepCountJob, "finished", G_CALLBACK(onDeepCountJobFinished), this);
fm_job_run_async(FM_JOB(deepCountJob));
}
/*static */ void FilePropsDialog::onDeepCountJobFinished(FmDeepCountJob* job, FilePropsDialog* pThis) {
pThis->onFileSizeTimerTimeout(); // update file size display
// free the job
g_object_unref(pThis->deepCountJob);
pThis->deepCountJob = NULL;
// stop the timer
if(pThis->fileSizeTimer) {
pThis->fileSizeTimer->stop();
delete pThis->fileSizeTimer;
pThis->fileSizeTimer = NULL;
}
}
void FilePropsDialog::onFileSizeTimerTimeout() {
if(deepCountJob && !fm_job_is_cancelled(FM_JOB(deepCountJob))) {
char size_str[128];
fm_file_size_to_str(size_str, sizeof(size_str), deepCountJob->total_size,
fm_config->si_unit);
// FIXME:
// OMG! It's really unbelievable that Qt developers only implement
// QObject::tr(... int n). GNU gettext developers are smarter and
// they use unsigned long instead of int.
// We cannot use Qt here to handle plural forms. So sad. :-(
QString str = QString::fromUtf8(size_str) %
QString(" (%1 B)").arg(deepCountJob->total_size);
// tr(" (%n) byte(s)", "", deepCountJob->total_size);
ui->fileSize->setText(str);
fm_file_size_to_str(size_str, sizeof(size_str), deepCountJob->total_ondisk_size,
fm_config->si_unit);
str = QString::fromUtf8(size_str) %
QString(" (%1 B)").arg(deepCountJob->total_ondisk_size);
// tr(" (%n) byte(s)", "", deepCountJob->total_ondisk_size);
ui->onDiskSize->setText(str);
}
}
void FilePropsDialog::accept() {
// applications
if(mimeType && ui->openWith->isChanged()) {
GAppInfo* currentApp = ui->openWith->selectedApp();
g_app_info_set_as_default_for_type(currentApp, fm_mime_type_get_type(mimeType), NULL);
}
// check if chown or chmod is needed
guint32 newUid = uidFromName(ui->owner->text());
guint32 newGid = gidFromName(ui->ownerGroup->text());
bool needChown = (newUid != -1 && newUid != uid) || (newGid != -1 && newGid != gid);
int newOwnerPermSel = ui->ownerPerm->currentIndex();
int newGroupPermSel = ui->groupPerm->currentIndex();
int newOtherPermSel = ui->otherPerm->currentIndex();
Qt::CheckState newExecCheckState = ui->executable->checkState();
bool needChmod = ((newOwnerPermSel != ownerPermSel) ||
(newGroupPermSel != groupPermSel) ||
(newOtherPermSel != otherPermSel) ||
(newExecCheckState != execCheckState));
if(needChmod || needChown) {
FmPathList* paths = fm_path_list_new_from_file_info_list(fileInfos_);
FileOperation* op = new FileOperation(FileOperation::ChangeAttr, paths);
fm_path_list_unref(paths);
if(needChown) {
// don't do chown if new uid/gid and the original ones are actually the same.
if(newUid == uid)
newUid = -1;
if(newGid == gid)
newGid = -1;
op->setChown(newUid, newGid);
}
if(needChmod) {
mode_t newMode = 0;
mode_t newModeMask = 0;
// FIXME: we need to make sure that folders with "r" permission also have "x"
// at the same time. Otherwise, it's not able to browse the folder later.
if(newOwnerPermSel != ownerPermSel && newOwnerPermSel != ACCESS_NO_CHANGE) {
// owner permission changed
newModeMask |= (S_IRUSR|S_IWUSR); // affect user bits
if(newOwnerPermSel == ACCESS_READ_ONLY)
newMode |= S_IRUSR;
else if(newOwnerPermSel == ACCESS_READ_WRITE)
newMode |= (S_IRUSR|S_IWUSR);
}
if(newGroupPermSel != groupPermSel && newGroupPermSel != ACCESS_NO_CHANGE) {
qDebug("newGroupPermSel: %d", newGroupPermSel);
// group permission changed
newModeMask |= (S_IRGRP|S_IWGRP); // affect group bits
if(newGroupPermSel == ACCESS_READ_ONLY)
newMode |= S_IRGRP;
else if(newGroupPermSel == ACCESS_READ_WRITE)
newMode |= (S_IRGRP|S_IWGRP);
}
if(newOtherPermSel != otherPermSel && newOtherPermSel != ACCESS_NO_CHANGE) {
// other permission changed
newModeMask |= (S_IROTH|S_IWOTH); // affect other bits
if(newOtherPermSel == ACCESS_READ_ONLY)
newMode |= S_IROTH;
else if(newOtherPermSel == ACCESS_READ_WRITE)
newMode |= (S_IROTH|S_IWOTH);
}
if(newExecCheckState != execCheckState && newExecCheckState != Qt::PartiallyChecked) {
// executable state changed
newModeMask |= (S_IXUSR|S_IXGRP|S_IXOTH);
if(newExecCheckState == Qt::Checked)
newMode |= (S_IXUSR|S_IXGRP|S_IXOTH);
}
op->setChmod(newMode, newModeMask);
if(hasDir) { // if there are some dirs in our selected files
QMessageBox::StandardButton r = QMessageBox::question(this,
tr("Apply changes"),
tr("Do you want to recursively apply these changes to all files and sub-folders?"),
QMessageBox::Yes|QMessageBox::No);
if(r == QMessageBox::Yes)
op->setRecursiveChattr(true);
}
}
op->setAutoDestroy(true);
op->run();
}
QDialog::accept();
}
void FilePropsDialog::initOwner() {
if(allNative) {
if(uid != DIFFERENT_UIDS)
ui->owner->setText(uidToName(uid));
if(gid != DIFFERENT_GIDS)
ui->ownerGroup->setText(gidToName(gid));
if(geteuid() != 0) { // on local filesystems, only root can do chown.
ui->owner->setEnabled(false);
ui->ownerGroup->setEnabled(false);
}
}
}