qBittorrent/src/gui/fspathedit.cpp

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/*
* Bittorrent Client using Qt and libtorrent.
* Copyright (C) 2016 Eugene Shalygin
*
* 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.
*
* In addition, as a special exception, the copyright holders give permission to
* link this program with the OpenSSL project's "OpenSSL" library (or with
* modified versions of it that use the same license as the "OpenSSL" library),
* and distribute the linked executables. You must obey the GNU General Public
* License in all respects for all of the code used other than "OpenSSL". If you
* modify file(s), you may extend this exception to your version of the file(s),
* but you are not obligated to do so. If you do not wish to do so, delete this
* exception statement from your version.
*/
#include "fspathedit.h"
#include <QAction>
#include <QApplication>
#include <QFileDialog>
#include <QHBoxLayout>
#include <QStyle>
#include <QToolButton>
#include "base/utils/fs.h"
#include "fspathedit_p.h"
namespace
{
struct TrStringWithComment
{
const char *source;
const char *comment;
QString tr() const
{
return QObject::tr(source, comment);
}
};
constexpr TrStringWithComment browseButtonBriefText =
QT_TRANSLATE_NOOP3("FileSystemPathEdit", "...", "Launch file dialog button text (brief)");
constexpr TrStringWithComment browseButtonFullText =
QT_TRANSLATE_NOOP3("FileSystemPathEdit", "&Browse...", "Launch file dialog button text (full)");
constexpr TrStringWithComment defaultDialogCaptionForFile =
QT_TRANSLATE_NOOP3("FileSystemPathEdit", "Choose a file", "Caption for file open/save dialog");
constexpr TrStringWithComment defaultDialogCaptionForDirectory =
QT_TRANSLATE_NOOP3("FileSystemPathEdit", "Choose a folder", "Caption for directory open dialog");
}
class FileSystemPathEdit::FileSystemPathEditPrivate
{
Q_DECLARE_PUBLIC(FileSystemPathEdit)
Q_DISABLE_COPY(FileSystemPathEditPrivate)
FileSystemPathEditPrivate(FileSystemPathEdit *q, Private::FileEditorWithCompletion *editor);
void modeChanged();
void browseActionTriggered();
QString dialogCaptionOrDefault() const;
FileSystemPathEdit *q_ptr;
QScopedPointer<Private::FileEditorWithCompletion> m_editor;
QAction *m_browseAction;
QToolButton *m_browseBtn;
QString m_fileNameFilter;
Mode m_mode;
QString m_lastSignaledPath;
QString m_dialogCaption;
};
FileSystemPathEdit::FileSystemPathEditPrivate::FileSystemPathEditPrivate(
FileSystemPathEdit *q, Private::FileEditorWithCompletion *editor)
: q_ptr {q}
, m_editor {editor}
, m_browseAction {new QAction(q)}
, m_browseBtn {new QToolButton(q)}
, m_mode {FileSystemPathEdit::Mode::FileOpen}
{
m_browseAction->setIconText(browseButtonBriefText.tr());
m_browseAction->setText(browseButtonFullText.tr());
m_browseAction->setToolTip(browseButtonFullText.tr().remove(QLatin1Char('&')));
m_browseAction->setShortcut(Qt::CTRL + Qt::Key_B);
m_browseBtn->setDefaultAction(m_browseAction);
m_fileNameFilter = tr("Any file") + QLatin1String(" (*)");
m_editor->setBrowseAction(m_browseAction);
modeChanged();
}
void FileSystemPathEdit::FileSystemPathEditPrivate::browseActionTriggered()
{
Q_Q(FileSystemPathEdit);
QString filter = q->fileNameFilter();
QString directory = q->currentDirectory().isEmpty() ? QDir::homePath() : q->currentDirectory();
QString selectedPath;
switch (m_mode) {
case FileSystemPathEdit::Mode::FileOpen:
selectedPath = QFileDialog::getOpenFileName(q, dialogCaptionOrDefault(), directory, filter);
break;
case FileSystemPathEdit::Mode::FileSave:
selectedPath = QFileDialog::getSaveFileName(q, dialogCaptionOrDefault(), directory, filter, &filter);
break;
case FileSystemPathEdit::Mode::DirectoryOpen:
case FileSystemPathEdit::Mode::DirectorySave:
selectedPath = QFileDialog::getExistingDirectory(q, dialogCaptionOrDefault(),
directory, QFileDialog::DontResolveSymlinks | QFileDialog::ShowDirsOnly);
break;
default:
throw std::logic_error("Unknown FileSystemPathEdit mode");
}
if (!selectedPath.isEmpty())
q->setEditWidgetText(selectedPath);
}
QString FileSystemPathEdit::FileSystemPathEditPrivate::dialogCaptionOrDefault() const
{
if (!m_dialogCaption.isEmpty())
return m_dialogCaption;
switch (m_mode) {
case FileSystemPathEdit::Mode::FileOpen:
case FileSystemPathEdit::Mode::FileSave:
return defaultDialogCaptionForFile.tr();
case FileSystemPathEdit::Mode::DirectoryOpen:
case FileSystemPathEdit::Mode::DirectorySave:
return defaultDialogCaptionForDirectory.tr();
default:
throw std::logic_error("Unknown FileSystemPathEdit mode");
}
}
void FileSystemPathEdit::FileSystemPathEditPrivate::modeChanged()
{
QStyle::StandardPixmap pixmap = QStyle::SP_DialogOpenButton;
bool showDirsOnly = false;
switch (m_mode) {
case FileSystemPathEdit::Mode::FileOpen:
case FileSystemPathEdit::Mode::FileSave:
pixmap = QStyle::SP_DialogOpenButton;
showDirsOnly = false;
break;
case FileSystemPathEdit::Mode::DirectoryOpen:
case FileSystemPathEdit::Mode::DirectorySave:
pixmap = QStyle::SP_DirOpenIcon;
showDirsOnly = true;
break;
default:
throw std::logic_error("Unknown FileSystemPathEdit mode");
}
m_browseAction->setIcon(QApplication::style()->standardIcon(pixmap));
m_editor->completeDirectoriesOnly(showDirsOnly);
}
FileSystemPathEdit::FileSystemPathEdit(Private::FileEditorWithCompletion *editor, QWidget *parent)
: QWidget(parent)
, d_ptr(new FileSystemPathEditPrivate(this, editor))
{
Q_D(FileSystemPathEdit);
editor->widget()->setParent(this);
QHBoxLayout *layout = new QHBoxLayout(this);
layout->addWidget(editor->widget());
layout->addWidget(d->m_browseBtn);
connect(d->m_browseAction, &QAction::triggered, [this]() {this->d_func()->browseActionTriggered();});
}
FileSystemPathEdit::~FileSystemPathEdit() = default;
QString FileSystemPathEdit::selectedPath() const
{
return Utils::Fs::fromNativePath(editWidgetText());
}
void FileSystemPathEdit::setSelectedPath(const QString &val)
{
Q_D(FileSystemPathEdit);
setEditWidgetText(Utils::Fs::toNativePath(val));
d->m_editor->widget()->setToolTip(val);
}
QString FileSystemPathEdit::fileNameFilter() const
{
Q_D(const FileSystemPathEdit);
return d->m_fileNameFilter;
}
void FileSystemPathEdit::setFileNameFilter(const QString &val)
{
Q_D(FileSystemPathEdit);
d->m_fileNameFilter = val;
#if 0
// QFileSystemModel applies name filters to directories too.
// To use the filters we have to subclass QFileSystemModel and skip directories while filtering
// extract file masks
const int openBracePos = val.indexOf(QLatin1Char('('), 0);
const int closeBracePos = val.indexOf(QLatin1Char(')'), openBracePos + 1);
if ((openBracePos > 0) && (closeBracePos > 0) && (closeBracePos > openBracePos + 2)) {
QString filterString = val.mid(openBracePos + 1, closeBracePos - openBracePos - 1);
if (filterString == QLatin1String("*")) { // no filters
d->m_editor->setFilenameFilters({});
}
else {
QStringList filters = filterString.split(QLatin1Char(' '), QString::SkipEmptyParts);
d->m_editor->setFilenameFilters(filters);
}
}
else {
d->m_editor->setFilenameFilters({});
}
#endif
}
bool FileSystemPathEdit::briefBrowseButtonCaption() const
{
Q_D(const FileSystemPathEdit);
return d->m_browseBtn->text() == browseButtonBriefText.tr();
}
void FileSystemPathEdit::setBriefBrowseButtonCaption(bool brief)
{
Q_D(FileSystemPathEdit);
d->m_browseBtn->setText(brief ? browseButtonBriefText.tr() : browseButtonFullText.tr());
}
void FileSystemPathEdit::onPathEdited()
{
Q_D(FileSystemPathEdit);
QString newPath = selectedPath();
if (newPath != d->m_lastSignaledPath) {
emit selectedPathChanged(newPath);
d->m_lastSignaledPath = newPath;
d->m_editor->widget()->setToolTip(editWidgetText());
}
}
FileSystemPathEdit::Mode FileSystemPathEdit::mode() const
{
Q_D(const FileSystemPathEdit);
return d->m_mode;
}
void FileSystemPathEdit::setMode(FileSystemPathEdit::Mode theMode)
{
Q_D(FileSystemPathEdit);
d->m_mode = theMode;
d->modeChanged();
}
QString FileSystemPathEdit::dialogCaption() const
{
Q_D(const FileSystemPathEdit);
return d->m_dialogCaption;
}
void FileSystemPathEdit::setDialogCaption(const QString &caption)
{
Q_D(FileSystemPathEdit);
d->m_dialogCaption = caption;
}
QString FileSystemPathEdit::currentDirectory() const
{
return QFileInfo(selectedPath()).absoluteDir().absolutePath();
}
QWidget *FileSystemPathEdit::editWidgetImpl() const
{
Q_D(const FileSystemPathEdit);
return d->m_editor->widget();
}
// ------------------------- FileSystemPathLineEdit ----------------------
FileSystemPathLineEdit::FileSystemPathLineEdit(QWidget *parent)
: FileSystemPathEdit(new WidgetType(), parent)
{
connect(editWidget<WidgetType>(), &QLineEdit::editingFinished, this, &FileSystemPathLineEdit::onPathEdited);
connect(editWidget<WidgetType>(), &QLineEdit::textChanged, this, &FileSystemPathLineEdit::onPathEdited);
}
QString FileSystemPathLineEdit::editWidgetText() const
{
return editWidget<WidgetType>()->text();
}
void FileSystemPathLineEdit::clear()
{
editWidget<WidgetType>()->clear();
}
void FileSystemPathLineEdit::setEditWidgetText(const QString &text)
{
editWidget<WidgetType>()->setText(text);
}
// ----------------------- FileSystemPathComboEdit -----------------------
FileSystemPathComboEdit::FileSystemPathComboEdit(QWidget *parent)
: FileSystemPathEdit(new WidgetType(), parent)
{
editWidget<WidgetType>()->setEditable(true);
connect(editWidget<WidgetType>(), &QComboBox::currentTextChanged, this, &FileSystemPathComboEdit::onPathEdited);
connect(editWidget<WidgetType>()->lineEdit(), &QLineEdit::editingFinished, this, &FileSystemPathComboEdit::onPathEdited);
}
void FileSystemPathComboEdit::clear()
{
editWidget<WidgetType>()->clear();
}
int FileSystemPathComboEdit::count() const
{
return editWidget<WidgetType>()->count();
}
QString FileSystemPathComboEdit::item(int index) const
{
return Utils::Fs::fromNativePath(editWidget<WidgetType>()->itemText(index));
}
void FileSystemPathComboEdit::addItem(const QString &text)
{
editWidget<WidgetType>()->addItem(Utils::Fs::toNativePath(text));
}
void FileSystemPathComboEdit::insertItem(int index, const QString& text)
{
editWidget<WidgetType>()->insertItem(index, Utils::Fs::toNativePath(text));
}
int FileSystemPathComboEdit::currentIndex() const
{
return editWidget<WidgetType>()->currentIndex();
}
void FileSystemPathComboEdit::setCurrentIndex(int index)
{
editWidget<WidgetType>()->setCurrentIndex(index);
}
QString FileSystemPathComboEdit::editWidgetText() const
{
return editWidget<WidgetType>()->currentText();
}
void FileSystemPathComboEdit::setEditWidgetText(const QString &text)
{
editWidget<WidgetType>()->setCurrentText(text);
}