qBittorrent/src/gui/fspathedit_p.h

164 lines
5.3 KiB
C++

/*
* 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.
*/
#pragma once
#include <QComboBox>
#include <QFileIconProvider>
#include <QLineEdit>
#include <QtContainerFwd>
#include <QValidator>
#include "base/pathfwd.h"
class QAction;
class QCompleter;
class QContextMenuEvent;
class QFileSystemModel;
class QKeyEvent;
namespace Private
{
class FileSystemPathValidator final : public QValidator
{
Q_OBJECT
Q_DISABLE_COPY_MOVE(FileSystemPathValidator)
public:
enum class TestResult
{
OK,
DoesNotExist,
NotADir,
NotAFile,
CantRead,
CantWrite
};
FileSystemPathValidator(QObject *parent = nullptr);
bool strictMode() const;
void setStrictMode(bool value);
bool existingOnly() const;
void setExistingOnly(bool value);
bool directoriesOnly() const;
void setDirectoriesOnly(bool value);
bool checkReadPermission() const;
void setCheckReadPermission(bool value);
bool checkWritePermission() const;
void setCheckWritePermission(bool value);
TestResult lastTestResult() const;
QValidator::State lastValidationState() const;
QValidator::State validate(QString &input, int &pos) const override;
private:
TestResult testPath(const Path &path) const;
bool m_strictMode = false;
bool m_existingOnly = false;
bool m_directoriesOnly = false;
bool m_checkReadPermission = false;
bool m_checkWritePermission = false;
mutable TestResult m_lastTestResult = TestResult::DoesNotExist;
mutable QValidator::State m_lastValidationState = QValidator::Invalid;
};
class IFileEditorWithCompletion
{
public:
virtual ~IFileEditorWithCompletion() = default;
virtual void completeDirectoriesOnly(bool completeDirsOnly) = 0;
virtual void setFilenameFilters(const QStringList &filters) = 0;
virtual void setBrowseAction(QAction *action) = 0;
virtual void setValidator(QValidator *validator) = 0;
virtual Path placeholder() const = 0;
virtual void setPlaceholder(const Path &val) = 0;
virtual QWidget *widget() = 0;
};
class FileLineEdit final : public QLineEdit, public IFileEditorWithCompletion
{
Q_OBJECT
Q_DISABLE_COPY_MOVE(FileLineEdit)
public:
FileLineEdit(QWidget *parent = nullptr);
~FileLineEdit();
void completeDirectoriesOnly(bool completeDirsOnly) override;
void setFilenameFilters(const QStringList &filters) override;
void setBrowseAction(QAction *action) override;
void setValidator(QValidator *validator) override;
Path placeholder() const override;
void setPlaceholder(const Path &val) override;
QWidget *widget() override;
protected:
void keyPressEvent(QKeyEvent *event) override;
void contextMenuEvent(QContextMenuEvent *event) override;
private:
void showCompletionPopup();
void validateText();
static QString warningText(FileSystemPathValidator::TestResult result);
QFileSystemModel *m_completerModel = nullptr;
QCompleter *m_completer = nullptr;
QAction *m_browseAction = nullptr;
QAction *m_warningAction = nullptr;
QFileIconProvider m_iconProvider;
};
class FileComboEdit final : public QComboBox, public IFileEditorWithCompletion
{
Q_OBJECT
Q_DISABLE_COPY_MOVE(FileComboEdit)
public:
FileComboEdit(QWidget *parent = nullptr);
void completeDirectoriesOnly(bool completeDirsOnly) override;
void setFilenameFilters(const QStringList &filters) override;
void setBrowseAction(QAction *action) override;
void setValidator(QValidator *validator) override;
Path placeholder() const override;
void setPlaceholder(const Path &val) override;
QWidget *widget() override;
protected:
QString text() const;
};
}