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Diffstat (limited to 'examples/widgets/dialogs/findfiles/window.cpp')
-rw-r--r-- | examples/widgets/dialogs/findfiles/window.cpp | 311 |
1 files changed, 0 insertions, 311 deletions
diff --git a/examples/widgets/dialogs/findfiles/window.cpp b/examples/widgets/dialogs/findfiles/window.cpp deleted file mode 100644 index e1f7ccdcc4..0000000000 --- a/examples/widgets/dialogs/findfiles/window.cpp +++ /dev/null @@ -1,311 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the examples of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include <QtWidgets> - -#include "window.h" - -//! [17] -enum { absoluteFileNameRole = Qt::UserRole + 1 }; -//! [17] - -//! [18] -static inline QString fileNameOfItem(const QTableWidgetItem *item) -{ - return item->data(absoluteFileNameRole).toString(); -} -//! [18] - -//! [14] -static inline void openFile(const QString &fileName) -{ - QDesktopServices::openUrl(QUrl::fromLocalFile(fileName)); -} -//! [14] - -//! [0] -Window::Window(QWidget *parent) - : QWidget(parent) -{ - setWindowTitle(tr("Find Files")); - QPushButton *browseButton = new QPushButton(tr("&Browse..."), this); - connect(browseButton, &QAbstractButton::clicked, this, &Window::browse); - findButton = new QPushButton(tr("&Find"), this); - connect(findButton, &QAbstractButton::clicked, this, &Window::find); - - fileComboBox = createComboBox(tr("*")); - connect(fileComboBox->lineEdit(), &QLineEdit::returnPressed, - this, &Window::animateFindClick); - textComboBox = createComboBox(); - connect(textComboBox->lineEdit(), &QLineEdit::returnPressed, - this, &Window::animateFindClick); - directoryComboBox = createComboBox(QDir::toNativeSeparators(QDir::currentPath())); - connect(directoryComboBox->lineEdit(), &QLineEdit::returnPressed, - this, &Window::animateFindClick); - - filesFoundLabel = new QLabel; - - createFilesTable(); - - QGridLayout *mainLayout = new QGridLayout(this); - mainLayout->addWidget(new QLabel(tr("Named:")), 0, 0); - mainLayout->addWidget(fileComboBox, 0, 1, 1, 2); - mainLayout->addWidget(new QLabel(tr("Containing text:")), 1, 0); - mainLayout->addWidget(textComboBox, 1, 1, 1, 2); - mainLayout->addWidget(new QLabel(tr("In directory:")), 2, 0); - mainLayout->addWidget(directoryComboBox, 2, 1); - mainLayout->addWidget(browseButton, 2, 2); - mainLayout->addWidget(filesTable, 3, 0, 1, 3); - mainLayout->addWidget(filesFoundLabel, 4, 0, 1, 2); - mainLayout->addWidget(findButton, 4, 2); -//! [0] - -//! [1] - connect(new QShortcut(QKeySequence::Quit, this), &QShortcut::activated, - qApp, &QApplication::quit); -//! [1] -} - -//! [2] -void Window::browse() -{ - QString directory = - QDir::toNativeSeparators(QFileDialog::getExistingDirectory(this, tr("Find Files"), QDir::currentPath())); - - if (!directory.isEmpty()) { - if (directoryComboBox->findText(directory) == -1) - directoryComboBox->addItem(directory); - directoryComboBox->setCurrentIndex(directoryComboBox->findText(directory)); - } -} -//! [2] - -static void updateComboBox(QComboBox *comboBox) -{ - if (comboBox->findText(comboBox->currentText()) == -1) - comboBox->addItem(comboBox->currentText()); -} - -//! [3] -void Window::find() -{ - filesTable->setRowCount(0); - - QString fileName = fileComboBox->currentText(); - QString text = textComboBox->currentText(); - QString path = QDir::cleanPath(directoryComboBox->currentText()); - currentDir = QDir(path); -//! [3] - - updateComboBox(fileComboBox); - updateComboBox(textComboBox); - updateComboBox(directoryComboBox); - -//! [4] - QStringList filter; - if (!fileName.isEmpty()) - filter << fileName; - QDirIterator it(path, filter, QDir::AllEntries | QDir::NoSymLinks | QDir::NoDotAndDotDot, QDirIterator::Subdirectories); - QStringList files; - while (it.hasNext()) - files << it.next(); - if (!text.isEmpty()) - files = findFiles(files, text); - files.sort(); - showFiles(files); -} -//! [4] - -void Window::animateFindClick() -{ - findButton->animateClick(); -} - -//! [5] -QStringList Window::findFiles(const QStringList &files, const QString &text) -{ - QProgressDialog progressDialog(this); - progressDialog.setCancelButtonText(tr("&Cancel")); - progressDialog.setRange(0, files.size()); - progressDialog.setWindowTitle(tr("Find Files")); - -//! [5] //! [6] - QMimeDatabase mimeDatabase; - QStringList foundFiles; - - for (int i = 0; i < files.size(); ++i) { - progressDialog.setValue(i); - progressDialog.setLabelText(tr("Searching file number %1 of %n...", nullptr, files.size()).arg(i)); - QCoreApplication::processEvents(); -//! [6] - - if (progressDialog.wasCanceled()) - break; - -//! [7] - const QString fileName = files.at(i); - const QMimeType mimeType = mimeDatabase.mimeTypeForFile(fileName); - if (mimeType.isValid() && !mimeType.inherits(QStringLiteral("text/plain"))) { - qWarning() << "Not searching binary file " << QDir::toNativeSeparators(fileName); - continue; - } - QFile file(fileName); - if (file.open(QIODevice::ReadOnly)) { - QString line; - QTextStream in(&file); - while (!in.atEnd()) { - if (progressDialog.wasCanceled()) - break; - line = in.readLine(); - if (line.contains(text, Qt::CaseInsensitive)) { - foundFiles << files[i]; - break; - } - } - } - } - return foundFiles; -} -//! [7] - -//! [8] -void Window::showFiles(const QStringList &paths) -{ - for (const QString &filePath : paths) { - const QString toolTip = QDir::toNativeSeparators(filePath); - const QString relativePath = QDir::toNativeSeparators(currentDir.relativeFilePath(filePath)); - const qint64 size = QFileInfo(filePath).size(); - QTableWidgetItem *fileNameItem = new QTableWidgetItem(relativePath); - fileNameItem->setData(absoluteFileNameRole, QVariant(filePath)); - fileNameItem->setToolTip(toolTip); - fileNameItem->setFlags(fileNameItem->flags() ^ Qt::ItemIsEditable); - QTableWidgetItem *sizeItem = new QTableWidgetItem(QLocale().formattedDataSize(size)); - sizeItem->setData(absoluteFileNameRole, QVariant(filePath)); - sizeItem->setToolTip(toolTip); - sizeItem->setTextAlignment(Qt::AlignRight | Qt::AlignVCenter); - sizeItem->setFlags(sizeItem->flags() ^ Qt::ItemIsEditable); - - int row = filesTable->rowCount(); - filesTable->insertRow(row); - filesTable->setItem(row, 0, fileNameItem); - filesTable->setItem(row, 1, sizeItem); - } - filesFoundLabel->setText(tr("%n file(s) found (Double click on a file to open it)", nullptr, paths.size())); - filesFoundLabel->setWordWrap(true); -} -//! [8] - -//! [10] -QComboBox *Window::createComboBox(const QString &text) -{ - QComboBox *comboBox = new QComboBox; - comboBox->setEditable(true); - comboBox->addItem(text); - comboBox->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred); - return comboBox; -} -//! [10] - -//! [11] -void Window::createFilesTable() -{ - filesTable = new QTableWidget(0, 2); - filesTable->setSelectionBehavior(QAbstractItemView::SelectRows); - - QStringList labels; - labels << tr("Filename") << tr("Size"); - filesTable->setHorizontalHeaderLabels(labels); - filesTable->horizontalHeader()->setSectionResizeMode(0, QHeaderView::Stretch); - filesTable->verticalHeader()->hide(); - filesTable->setShowGrid(false); -//! [15] - filesTable->setContextMenuPolicy(Qt::CustomContextMenu); - connect(filesTable, &QTableWidget::customContextMenuRequested, - this, &Window::contextMenu); - connect(filesTable, &QTableWidget::cellActivated, - this, &Window::openFileOfItem); -//! [15] -} -//! [11] - - -//! [12] - -void Window::openFileOfItem(int row, int /* column */) -{ - const QTableWidgetItem *item = filesTable->item(row, 0); - openFile(fileNameOfItem(item)); -} - -//! [12] - -//! [16] -void Window::contextMenu(const QPoint &pos) -{ - const QTableWidgetItem *item = filesTable->itemAt(pos); - if (!item) - return; - QMenu menu; -#ifndef QT_NO_CLIPBOARD - QAction *copyAction = menu.addAction("Copy Name"); -#endif - QAction *openAction = menu.addAction("Open"); - QAction *action = menu.exec(filesTable->mapToGlobal(pos)); - if (!action) - return; - const QString fileName = fileNameOfItem(item); - if (action == openAction) - openFile(fileName); -#ifndef QT_NO_CLIPBOARD - else if (action == copyAction) - QGuiApplication::clipboard()->setText(QDir::toNativeSeparators(fileName)); -#endif -} -//! [16] |