forked from qt-creator/qt-creator
e5dc99da32
Change-Id: I889b5cd0dbc27144253a9c82567eee59554725a3 Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>
684 lines
20 KiB
C++
684 lines
20 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of Qt Creator.
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**
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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** use the contact form at http://qt.digia.com/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Digia gives you certain additional
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** rights. These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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****************************************************************************/
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#include "pathchooser.h"
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#include "fancylineedit.h"
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#include "basevalidatinglineedit.h"
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#include "environment.h"
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#include "qtcassert.h"
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#include "synchronousprocess.h"
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#include "hostosinfo.h"
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#include <QDebug>
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#include <QDesktopServices>
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#include <QFileDialog>
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#include <QHBoxLayout>
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#include <QPushButton>
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/*!
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\class Utils::PathChooser
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\brief The PathChooser class is a control that lets the user choose a path,
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consisting of a QLineEdit and
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a "Browse" button.
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This class has some validation logic for embedding into QWizardPage.
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*/
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const char * const Utils::PathChooser::browseButtonLabel =
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#ifdef Q_OS_MAC
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QT_TRANSLATE_NOOP("Utils::PathChooser", "Choose...");
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#else
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QT_TRANSLATE_NOOP("Utils::PathChooser", "Browse...");
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#endif
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namespace Utils {
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// ------------------ PathValidatingLineEdit
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class PathValidatingLineEdit : public BaseValidatingLineEdit
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{
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public:
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explicit PathValidatingLineEdit(PathChooser *chooser, QWidget *parent = 0);
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protected:
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virtual bool validate(const QString &value, QString *errorMessage) const;
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private:
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PathChooser *m_chooser;
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};
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PathValidatingLineEdit::PathValidatingLineEdit(PathChooser *chooser, QWidget *parent) :
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BaseValidatingLineEdit(parent),
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m_chooser(chooser)
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{
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QTC_ASSERT(chooser, return);
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}
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bool PathValidatingLineEdit::validate(const QString &value, QString *errorMessage) const
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{
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return m_chooser->validatePath(value, errorMessage);
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}
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// ------------------ BinaryVersionToolTipEventFilter
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// Event filter to be installed on a lineedit used for entering
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// executables, taking the arguments to print the version ('--version').
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// On a tooltip event, the version is obtained by running the binary and
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// setting its stdout as tooltip.
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class BinaryVersionToolTipEventFilter : public QObject
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{
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public:
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explicit BinaryVersionToolTipEventFilter(QLineEdit *le);
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virtual bool eventFilter(QObject *, QEvent *);
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QStringList arguments() const { return m_arguments; }
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void setArguments(const QStringList &arguments) { m_arguments = arguments; }
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static QString toolVersion(const QString &binary, const QStringList &arguments);
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private:
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// Extension point for concatenating existing tooltips.
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virtual QString defaultToolTip() const { return QString(); }
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QStringList m_arguments;
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};
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BinaryVersionToolTipEventFilter::BinaryVersionToolTipEventFilter(QLineEdit *le) :
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QObject(le)
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{
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le->installEventFilter(this);
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}
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bool BinaryVersionToolTipEventFilter::eventFilter(QObject *o, QEvent *e)
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{
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if (e->type() != QEvent::ToolTip)
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return false;
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QLineEdit *le = qobject_cast<QLineEdit *>(o);
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QTC_ASSERT(le, return false);
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const QString binary = le->text();
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if (!binary.isEmpty()) {
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const QString version = BinaryVersionToolTipEventFilter::toolVersion(QDir::cleanPath(binary), m_arguments);
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if (!version.isEmpty()) {
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// Concatenate tooltips.
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QString tooltip = QLatin1String("<html><head/><body>");
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const QString defaultValue = defaultToolTip();
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if (!defaultValue.isEmpty()) {
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tooltip += QLatin1String("<p>");
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tooltip += defaultValue;
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tooltip += QLatin1String("</p>");
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}
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tooltip += QLatin1String("<pre>");
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tooltip += version;
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tooltip += QLatin1String("</pre><body></html>");
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le->setToolTip(tooltip);
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}
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}
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return false;
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}
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QString BinaryVersionToolTipEventFilter::toolVersion(const QString &binary, const QStringList &arguments)
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{
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if (binary.isEmpty())
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return QString();
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QProcess proc;
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proc.start(binary, arguments);
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if (!proc.waitForStarted())
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return QString();
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if (!proc.waitForFinished()) {
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Utils::SynchronousProcess::stopProcess(proc);
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return QString();
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}
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return QString::fromLocal8Bit(QByteArray(proc.readAllStandardOutput()
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+ proc.readAllStandardError()));
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}
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// Extends BinaryVersionToolTipEventFilter to prepend the existing pathchooser
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// tooltip to display the full path.
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class PathChooserBinaryVersionToolTipEventFilter : public BinaryVersionToolTipEventFilter
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{
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public:
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explicit PathChooserBinaryVersionToolTipEventFilter(PathChooser *pe) :
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BinaryVersionToolTipEventFilter(pe->lineEdit()), m_pathChooser(pe) {}
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private:
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virtual QString defaultToolTip() const
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{ return m_pathChooser->errorMessage(); }
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const PathChooser *m_pathChooser;
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};
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// ------------------ PathChooserPrivate
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class PathChooserPrivate
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{
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public:
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PathChooserPrivate(PathChooser *chooser);
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QString expandedPath(const QString &path) const;
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QHBoxLayout *m_hLayout;
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PathValidatingLineEdit *m_lineEdit;
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PathChooser::Kind m_acceptingKind;
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QString m_dialogTitleOverride;
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QString m_dialogFilter;
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QString m_initialBrowsePathOverride;
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QString m_baseDirectory;
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Environment m_environment;
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BinaryVersionToolTipEventFilter *m_binaryVersionToolTipEventFilter;
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QList<QAbstractButton *> m_buttons;
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};
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PathChooserPrivate::PathChooserPrivate(PathChooser *chooser) :
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m_hLayout(new QHBoxLayout),
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m_lineEdit(new PathValidatingLineEdit(chooser)),
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m_acceptingKind(PathChooser::ExistingDirectory),
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m_binaryVersionToolTipEventFilter(0)
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{
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}
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QString PathChooserPrivate::expandedPath(const QString &input) const
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{
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if (input.isEmpty())
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return input;
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const QString path = QDir::cleanPath(m_environment.expandVariables(input));
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if (path.isEmpty())
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return path;
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switch (m_acceptingKind) {
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case PathChooser::Command:
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case PathChooser::ExistingCommand: {
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const QString expanded = m_environment.searchInPath(path, QStringList(m_baseDirectory));
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return expanded.isEmpty() ? path : expanded;
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}
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case PathChooser::Any:
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break;
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case PathChooser::Directory:
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case PathChooser::ExistingDirectory:
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case PathChooser::File:
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case PathChooser::SaveFile:
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if (!m_baseDirectory.isEmpty() && QFileInfo(path).isRelative())
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return QFileInfo(m_baseDirectory + QLatin1Char('/') + path).absoluteFilePath();
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break;
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}
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return path;
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}
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PathChooser::PathChooser(QWidget *parent) :
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QWidget(parent),
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d(new PathChooserPrivate(this))
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{
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d->m_hLayout->setContentsMargins(0, 0, 0, 0);
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connect(d->m_lineEdit, SIGNAL(validReturnPressed()), this, SIGNAL(returnPressed()));
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connect(d->m_lineEdit, SIGNAL(textChanged(QString)), this, SIGNAL(changed(QString)));
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connect(d->m_lineEdit, SIGNAL(validChanged()), this, SIGNAL(validChanged()));
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connect(d->m_lineEdit, SIGNAL(validChanged(bool)), this, SIGNAL(validChanged(bool)));
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connect(d->m_lineEdit, SIGNAL(editingFinished()), this, SIGNAL(editingFinished()));
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connect(d->m_lineEdit, SIGNAL(textChanged(QString)), this, SLOT(slotTextChanged()));
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d->m_lineEdit->setMinimumWidth(120);
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d->m_hLayout->addWidget(d->m_lineEdit);
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d->m_hLayout->setSizeConstraint(QLayout::SetMinimumSize);
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addButton(tr(browseButtonLabel), this, SLOT(slotBrowse()));
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setLayout(d->m_hLayout);
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setFocusProxy(d->m_lineEdit);
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setFocusPolicy(d->m_lineEdit->focusPolicy());
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setEnvironment(Environment::systemEnvironment());
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}
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PathChooser::~PathChooser()
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{
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delete d;
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}
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void PathChooser::addButton(const QString &text, QObject *receiver, const char *slotFunc)
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{
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insertButton(d->m_buttons.count(), text, receiver, slotFunc);
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}
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void PathChooser::insertButton(int index, const QString &text, QObject *receiver, const char *slotFunc)
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{
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QPushButton *button = new QPushButton;
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button->setText(text);
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connect(button, SIGNAL(clicked()), receiver, slotFunc);
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d->m_hLayout->insertWidget(index + 1/*line edit*/, button);
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d->m_buttons.insert(index, button);
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}
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QAbstractButton *PathChooser::buttonAtIndex(int index) const
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{
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return d->m_buttons.at(index);
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}
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QString PathChooser::baseDirectory() const
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{
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return d->m_baseDirectory;
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}
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void PathChooser::setBaseDirectory(const QString &directory)
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{
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if (d->m_baseDirectory == directory)
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return;
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d->m_baseDirectory = directory;
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d->m_lineEdit->triggerChanged();
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}
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FileName PathChooser::baseFileName() const
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{
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return Utils::FileName::fromString(d->m_baseDirectory);
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}
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void PathChooser::setBaseFileName(const FileName &base)
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{
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d->m_baseDirectory = base.toString();
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}
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void PathChooser::setEnvironment(const Utils::Environment &env)
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{
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QString oldExpand = path();
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d->m_environment = env;
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if (path() != oldExpand)
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emit changed(rawPath());
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}
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QString PathChooser::path() const
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{
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return d->expandedPath(QDir::fromNativeSeparators(d->m_lineEdit->text()));
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}
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QString PathChooser::rawPath() const
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{
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return QDir::fromNativeSeparators(d->m_lineEdit->text());
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}
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FileName PathChooser::fileName() const
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{
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return Utils::FileName::fromString(path());
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}
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void PathChooser::setPath(const QString &path)
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{
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d->m_lineEdit->setText(QDir::toNativeSeparators(path));
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}
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void PathChooser::setFileName(const Utils::FileName &fn)
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{
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d->m_lineEdit->setText(fn.toUserOutput());
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}
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bool PathChooser::isReadOnly() const
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{
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return d->m_lineEdit->isReadOnly();
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}
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void PathChooser::setReadOnly(bool b)
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{
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d->m_lineEdit->setReadOnly(b);
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foreach (QAbstractButton *button, d->m_buttons)
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button->setEnabled(!b);
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}
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void PathChooser::slotBrowse()
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{
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emit beforeBrowsing();
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QString predefined = path();
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QFileInfo fi(predefined);
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if (!predefined.isEmpty() && !fi.isDir()) {
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predefined = fi.path();
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fi.setFile(predefined);
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}
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if ((predefined.isEmpty() || !fi.isDir())
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&& !d->m_initialBrowsePathOverride.isNull()) {
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predefined = d->m_initialBrowsePathOverride;
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fi.setFile(predefined);
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if (!fi.isDir()) {
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predefined.clear();
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fi.setFile(QString());
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}
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}
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// Prompt for a file/dir
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QString newPath;
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switch (d->m_acceptingKind) {
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case PathChooser::Directory:
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case PathChooser::ExistingDirectory:
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newPath = QFileDialog::getExistingDirectory(this,
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makeDialogTitle(tr("Choose Directory")), predefined);
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break;
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case PathChooser::ExistingCommand:
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case PathChooser::Command:
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newPath = QFileDialog::getOpenFileName(this,
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makeDialogTitle(tr("Choose Executable")), predefined,
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d->m_dialogFilter);
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break;
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case PathChooser::File: // fall through
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newPath = QFileDialog::getOpenFileName(this,
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makeDialogTitle(tr("Choose File")), predefined,
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d->m_dialogFilter);
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break;
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case PathChooser::SaveFile:
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newPath = QFileDialog::getSaveFileName(this,
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makeDialogTitle(tr("Choose File")), predefined,
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d->m_dialogFilter);
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break;
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case PathChooser::Any: {
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QFileDialog dialog(this);
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dialog.setFileMode(QFileDialog::AnyFile);
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dialog.setWindowTitle(makeDialogTitle(tr("Choose File")));
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if (fi.exists())
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dialog.setDirectory(fi.absolutePath());
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// FIXME: fix QFileDialog so that it filters properly: lib*.a
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dialog.setNameFilter(d->m_dialogFilter);
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if (dialog.exec() == QDialog::Accepted) {
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// probably loop here until the *.framework dir match
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QStringList paths = dialog.selectedFiles();
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if (!paths.isEmpty())
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newPath = paths.at(0);
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}
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break;
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}
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default:
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break;
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}
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// Delete trailing slashes unless it is "/"|"\\", only
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if (!newPath.isEmpty()) {
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newPath = QDir::toNativeSeparators(newPath);
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if (newPath.size() > 1 && newPath.endsWith(QDir::separator()))
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newPath.truncate(newPath.size() - 1);
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setPath(newPath);
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}
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emit browsingFinished();
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d->m_lineEdit->triggerChanged();
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}
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void PathChooser::slotTextChanged()
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{
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emit pathChanged(path());
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}
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bool PathChooser::isValid() const
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{
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return d->m_lineEdit->isValid();
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}
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QString PathChooser::errorMessage() const
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{
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return d->m_lineEdit->errorMessage();
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}
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void PathChooser::triggerChanged()
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{
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d->m_lineEdit->triggerChanged();
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}
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bool PathChooser::validatePath(const QString &path, QString *errorMessage)
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{
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QString expandedPath = d->expandedPath(path);
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if (path.isEmpty()) {
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if (errorMessage)
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*errorMessage = tr("The path must not be empty.");
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return false;
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}
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if (expandedPath.isEmpty()) {
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if (errorMessage)
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*errorMessage = tr("The path '%1' expanded to an empty string.").arg(QDir::toNativeSeparators(path));
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return false;
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}
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const QFileInfo fi(expandedPath);
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// Check if existing
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switch (d->m_acceptingKind) {
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case PathChooser::ExistingDirectory: // fall through
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if (!fi.exists()) {
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if (errorMessage)
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*errorMessage = tr("The path '%1' does not exist.").arg(QDir::toNativeSeparators(expandedPath));
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return false;
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}
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if (!fi.isDir()) {
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if (errorMessage)
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*errorMessage = tr("The path '%1' is not a directory.").arg(QDir::toNativeSeparators(expandedPath));
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return false;
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}
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break;
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case PathChooser::File: // fall through
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if (!fi.exists()) {
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if (errorMessage)
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*errorMessage = tr("The path '%1' does not exist.").arg(QDir::toNativeSeparators(expandedPath));
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return false;
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}
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break;
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case PathChooser::SaveFile:
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if (!fi.absoluteDir().exists()) {
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if (errorMessage)
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*errorMessage = tr("The directory '%1' does not exist.").arg(QDir::toNativeSeparators(fi.absolutePath()));
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return false;
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}
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break;
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case PathChooser::ExistingCommand:
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if (!fi.exists()) {
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if (errorMessage)
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*errorMessage = tr("The path '%1' does not exist.").arg(QDir::toNativeSeparators(expandedPath));
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return false;
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}
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if (!fi.isExecutable()) {
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if (errorMessage)
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*errorMessage = tr("Cannot execute '%1'.").arg(QDir::toNativeSeparators(expandedPath));
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return false;
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}
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break;
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case PathChooser::Directory:
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if (fi.exists() && !fi.isDir()) {
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if (errorMessage)
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*errorMessage = tr("The path '%1' is not a directory.").arg(QDir::toNativeSeparators(expandedPath));
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return false;
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}
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break;
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case PathChooser::Command: // fall through
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if (fi.exists() && !fi.isExecutable()) {
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if (errorMessage)
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*errorMessage = tr("Cannot execute '%1'.").arg(QDir::toNativeSeparators(expandedPath));
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return false;
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}
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break;
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default:
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;
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}
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// Check expected kind
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switch (d->m_acceptingKind) {
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case PathChooser::ExistingDirectory:
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if (!fi.isDir()) {
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if (errorMessage)
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*errorMessage = tr("The path <b>%1</b> is not a directory.").arg(QDir::toNativeSeparators(expandedPath));
|
|
return false;
|
|
}
|
|
break;
|
|
|
|
case PathChooser::File:
|
|
if (!fi.isFile()) {
|
|
if (errorMessage)
|
|
*errorMessage = tr("The path <b>%1</b> is not a file.").arg(QDir::toNativeSeparators(expandedPath));
|
|
return false;
|
|
}
|
|
break;
|
|
|
|
case PathChooser::SaveFile:
|
|
if (fi.exists() && fi.isDir()) {
|
|
if (errorMessage)
|
|
*errorMessage = tr("The path <b>%1</b> is not a file.").arg(QDir::toNativeSeparators(fi.absolutePath()));
|
|
return false;
|
|
}
|
|
break;
|
|
|
|
case PathChooser::ExistingCommand:
|
|
if (!fi.isFile() || !fi.isExecutable()) {
|
|
if (errorMessage)
|
|
*errorMessage = tr("The path <b>%1</b> is not an executable file.").arg(QDir::toNativeSeparators(expandedPath));
|
|
return false;
|
|
}
|
|
|
|
case PathChooser::Command:
|
|
break;
|
|
|
|
case PathChooser::Any:
|
|
break;
|
|
|
|
default:
|
|
;
|
|
}
|
|
if (errorMessage)
|
|
*errorMessage = tr("Full path: <b>%1</b>").arg(QDir::toNativeSeparators(expandedPath));
|
|
return true;
|
|
}
|
|
|
|
QString PathChooser::label()
|
|
{
|
|
return tr("Path:");
|
|
}
|
|
|
|
QString PathChooser::homePath()
|
|
{
|
|
// Return 'users/<name>/Documents' on Windows, since Windows explorer
|
|
// does not let people actually display the contents of their home
|
|
// directory. Alternatively, create a QtCreator-specific directory?
|
|
if (HostOsInfo::isWindowsHost())
|
|
return QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation);
|
|
return QDir::homePath();
|
|
}
|
|
|
|
void PathChooser::setExpectedKind(Kind expected)
|
|
{
|
|
if (d->m_acceptingKind == expected)
|
|
return;
|
|
d->m_acceptingKind = expected;
|
|
d->m_lineEdit->triggerChanged();
|
|
}
|
|
|
|
PathChooser::Kind PathChooser::expectedKind() const
|
|
{
|
|
return d->m_acceptingKind;
|
|
}
|
|
|
|
void PathChooser::setPromptDialogTitle(const QString &title)
|
|
{
|
|
d->m_dialogTitleOverride = title;
|
|
}
|
|
|
|
QString PathChooser::promptDialogTitle() const
|
|
{
|
|
return d->m_dialogTitleOverride;
|
|
}
|
|
|
|
void PathChooser::setPromptDialogFilter(const QString &filter)
|
|
{
|
|
d->m_dialogFilter = filter;
|
|
}
|
|
|
|
QString PathChooser::promptDialogFilter() const
|
|
{
|
|
return d->m_dialogFilter;
|
|
}
|
|
|
|
void PathChooser::setInitialBrowsePathBackup(const QString &path)
|
|
{
|
|
d->m_initialBrowsePathOverride = path;
|
|
}
|
|
|
|
QString PathChooser::makeDialogTitle(const QString &title)
|
|
{
|
|
if (d->m_dialogTitleOverride.isNull())
|
|
return title;
|
|
else
|
|
return d->m_dialogTitleOverride;
|
|
}
|
|
|
|
FancyLineEdit *PathChooser::lineEdit() const
|
|
{
|
|
// HACK: Make it work with HistoryCompleter.
|
|
if (d->m_lineEdit->objectName().isEmpty())
|
|
d->m_lineEdit->setObjectName(objectName() + QLatin1String("LineEdit"));
|
|
return d->m_lineEdit;
|
|
}
|
|
|
|
QString PathChooser::toolVersion(const QString &binary, const QStringList &arguments)
|
|
{
|
|
return BinaryVersionToolTipEventFilter::toolVersion(binary, arguments);
|
|
}
|
|
|
|
void PathChooser::installLineEditVersionToolTip(QLineEdit *le, const QStringList &arguments)
|
|
{
|
|
BinaryVersionToolTipEventFilter *ef = new BinaryVersionToolTipEventFilter(le);
|
|
ef->setArguments(arguments);
|
|
}
|
|
|
|
void PathChooser::setHistoryCompleter(const QString &historyKey)
|
|
{
|
|
d->m_lineEdit->setHistoryCompleter(historyKey);
|
|
}
|
|
|
|
QStringList PathChooser::commandVersionArguments() const
|
|
{
|
|
return d->m_binaryVersionToolTipEventFilter ?
|
|
d->m_binaryVersionToolTipEventFilter->arguments() :
|
|
QStringList();
|
|
}
|
|
|
|
void PathChooser::setCommandVersionArguments(const QStringList &arguments)
|
|
{
|
|
if (arguments.isEmpty()) {
|
|
if (d->m_binaryVersionToolTipEventFilter) {
|
|
delete d->m_binaryVersionToolTipEventFilter;
|
|
d->m_binaryVersionToolTipEventFilter = 0;
|
|
}
|
|
} else {
|
|
if (!d->m_binaryVersionToolTipEventFilter)
|
|
d->m_binaryVersionToolTipEventFilter = new PathChooserBinaryVersionToolTipEventFilter(this);
|
|
d->m_binaryVersionToolTipEventFilter->setArguments(arguments);
|
|
}
|
|
}
|
|
|
|
} // namespace Utils
|