mirror of
https://bitbucket.org/librepilot/librepilot.git
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7195862d77
This will allow us to build a parent project for qt-creator that sits above both openpilotgcs and uavobjgenerator so that we can build both projects at the same time. git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@2528 ebee16cc-31ac-478f-84a7-5cbb03baadba
329 lines
8.6 KiB
C++
329 lines
8.6 KiB
C++
/**
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******************************************************************************
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*
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* @file pathchooser.cpp
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* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
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* Parts by Nokia Corporation (qt-info@nokia.com) Copyright (C) 2009.
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* @brief
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* @see The GNU Public License (GPL) Version 3
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* @defgroup
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* @{
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*
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*****************************************************************************/
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "pathchooser.h"
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#include "basevalidatinglineedit.h"
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#include "qtcassert.h"
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#include <QtCore/QDebug>
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#include <QtCore/QDir>
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#include <QtCore/QFileInfo>
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#include <QtCore/QSettings>
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#include <QtGui/QDesktopServices>
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#include <QtGui/QFileDialog>
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#include <QtGui/QHBoxLayout>
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#include <QtGui/QLineEdit>
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#include <QtGui/QToolButton>
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#include <QtGui/QPushButton>
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/*static*/ const char * const Utils::PathChooser::browseButtonLabel =
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#ifdef Q_WS_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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// ------------------ PathChooserPrivate
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struct PathChooserPrivate
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{
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PathChooserPrivate(PathChooser *chooser);
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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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};
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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::Directory)
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{
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}
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PathChooser::PathChooser(QWidget *parent) :
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QWidget(parent),
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m_d(new PathChooserPrivate(this))
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{
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m_d->m_hLayout->setContentsMargins(0, 0, 0, 0);
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connect(m_d->m_lineEdit, SIGNAL(validReturnPressed()), this, SIGNAL(returnPressed()));
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connect(m_d->m_lineEdit, SIGNAL(textChanged(QString)), this, SIGNAL(changed(QString)));
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connect(m_d->m_lineEdit, SIGNAL(validChanged()), this, SIGNAL(validChanged()));
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connect(m_d->m_lineEdit, SIGNAL(validChanged(bool)), this, SIGNAL(validChanged(bool)));
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connect(m_d->m_lineEdit, SIGNAL(editingFinished()), this, SIGNAL(editingFinished()));
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m_d->m_lineEdit->setMinimumWidth(50);
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m_d->m_hLayout->addWidget(m_d->m_lineEdit);
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m_d->m_hLayout->setSizeConstraint(QLayout::SetMinimumSize);
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addButton(tr(browseButtonLabel), this, SLOT(slotBrowse()));
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setLayout(m_d->m_hLayout);
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setFocusProxy(m_d->m_lineEdit);
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}
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PathChooser::~PathChooser()
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{
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delete m_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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#ifdef Q_WS_MAC
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QPushButton *button = new QPushButton;
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#else
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QToolButton *button = new QToolButton;
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#endif
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button->setText(text);
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connect(button, SIGNAL(clicked()), receiver, slotFunc);
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m_d->m_hLayout->addWidget(button);
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}
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QAbstractButton *PathChooser::buttonAtIndex(int index) const
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{
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return findChildren<QAbstractButton*>().at(index);
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}
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QString PathChooser::path() const
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{
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return m_d->m_lineEdit->text();
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}
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void PathChooser::setPath(const QString &path)
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{
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m_d->m_lineEdit->setText(QDir::toNativeSeparators(path));
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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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if ((predefined.isEmpty() || !QFileInfo(predefined).isDir())
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&& !m_d->m_initialBrowsePathOverride.isNull()) {
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predefined = m_d->m_initialBrowsePathOverride;
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if (!QFileInfo(predefined).isDir())
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predefined.clear();
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}
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if (predefined.startsWith(":"))
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predefined.clear();
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// Prompt for a file/dir
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QString dialogTitle;
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QString newPath;
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switch (m_d->m_acceptingKind) {
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case PathChooser::Directory:
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newPath = QFileDialog::getExistingDirectory(this,
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makeDialogTitle(tr("Choose a directory")), predefined);
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break;
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case PathChooser::File: // fall through
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case PathChooser::Command:
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newPath = QFileDialog::getOpenFileName(this,
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makeDialogTitle(tr("Choose a file")), predefined,
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m_d->m_dialogFilter);
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break;
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default:
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;
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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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}
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bool PathChooser::isValid() const
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{
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return m_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 m_d->m_lineEdit->errorMessage();
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}
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bool PathChooser::validatePath(const QString &path, QString *errorMessage)
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{
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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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const QFileInfo fi(path);
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const bool isDir = fi.isDir();
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// Check if existing
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switch (m_d->m_acceptingKind) {
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case PathChooser::Directory: // fall through
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case PathChooser::File:
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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(path);
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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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default:
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;
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}
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// Check expected kind
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switch (m_d->m_acceptingKind) {
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case PathChooser::Directory:
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if (!isDir) {
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if (errorMessage)
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*errorMessage = tr("The path '%1' is not a directory.").arg(path);
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return false;
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}
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break;
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case PathChooser::File:
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if (isDir) {
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if (errorMessage)
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*errorMessage = tr("The path '%1' is not a file.").arg(path);
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return false;
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}
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break;
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case PathChooser::Command:
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// TODO do proper command validation
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// i.e. search $PATH for a matching file
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break;
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default:
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;
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}
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return true;
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}
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QString PathChooser::label()
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{
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return tr("Path:");
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}
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QString PathChooser::homePath()
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{
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#ifdef Q_OS_WIN
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// Return 'users/<name>/Documents' on Windows, since Windows explorer
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// does not let people actually display the contents of their home
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// directory. Alternatively, create a QtCreator-specific directory?
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return QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation);
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#else
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return QDir::homePath();
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#endif
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}
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void PathChooser::setExpectedKind(Kind expected)
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{
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m_d->m_acceptingKind = expected;
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}
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PathChooser::Kind PathChooser::expectedKind() const
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{
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return m_d->m_acceptingKind;
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}
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void PathChooser::setPromptDialogTitle(const QString &title)
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{
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m_d->m_dialogTitleOverride = title;
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}
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QString PathChooser::promptDialogTitle() const
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{
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return m_d->m_dialogTitleOverride;
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}
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void PathChooser::setPromptDialogFilter(const QString &filter)
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{
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m_d->m_dialogFilter = filter;
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}
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QString PathChooser::promptDialogFilter() const
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{
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return m_d->m_dialogFilter;
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}
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void PathChooser::setInitialBrowsePathBackup(const QString &path)
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{
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m_d->m_initialBrowsePathOverride = path;
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}
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QString PathChooser::makeDialogTitle(const QString &title)
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{
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if (m_d->m_dialogTitleOverride.isNull())
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return title;
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else
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return m_d->m_dialogTitleOverride;
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}
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} // namespace Utils
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