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-rw-r--r--examples/dialogs/findfiles/window.cpp247
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diff --git a/examples/dialogs/findfiles/window.cpp b/examples/dialogs/findfiles/window.cpp
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-/****************************************************************************
-**
-** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
-** Contact: http://www.qt-project.org/
-**
-** This file is part of the examples of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:BSD$
-** 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 Nokia Corporation and its Subsidiary(-ies) 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"
-
-//! [0]
-Window::Window(QWidget *parent)
- : QWidget(parent)
-{
- browseButton = createButton(tr("&Browse..."), SLOT(browse()));
- findButton = createButton(tr("&Find"), SLOT(find()));
-
- fileComboBox = createComboBox(tr("*"));
- textComboBox = createComboBox();
- directoryComboBox = createComboBox(QDir::currentPath());
-
- fileLabel = new QLabel(tr("Named:"));
- textLabel = new QLabel(tr("Containing text:"));
- directoryLabel = new QLabel(tr("In directory:"));
- filesFoundLabel = new QLabel;
-
- createFilesTable();
-//! [0]
-
-//! [1]
- QGridLayout *mainLayout = new QGridLayout;
- mainLayout->setSizeConstraint(QLayout::SetNoConstraint);
- mainLayout->addWidget(fileLabel, 0, 0);
- mainLayout->addWidget(fileComboBox, 0, 1, 1, 2);
- mainLayout->addWidget(textLabel, 1, 0);
- mainLayout->addWidget(textComboBox, 1, 1, 1, 2);
- mainLayout->addWidget(directoryLabel, 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);
- setLayout(mainLayout);
-
- setWindowTitle(tr("Find Files"));
- resize(700, 300);
-}
-//! [1]
-
-//! [2]
-void Window::browse()
-{
- QString directory = 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 = directoryComboBox->currentText();
-//! [3]
-
- updateComboBox(fileComboBox);
- updateComboBox(textComboBox);
- updateComboBox(directoryComboBox);
-
-//! [4]
- currentDir = QDir(path);
- QStringList files;
- if (fileName.isEmpty())
- fileName = "*";
- files = currentDir.entryList(QStringList(fileName),
- QDir::Files | QDir::NoSymLinks);
-
- if (!text.isEmpty())
- files = findFiles(files, text);
- showFiles(files);
-}
-//! [4]
-
-//! [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]
- QStringList foundFiles;
-
- for (int i = 0; i < files.size(); ++i) {
- progressDialog.setValue(i);
- progressDialog.setLabelText(tr("Searching file number %1 of %2...")
- .arg(i).arg(files.size()));
- qApp->processEvents();
-//! [6]
-
- if (progressDialog.wasCanceled())
- break;
-
-//! [7]
- QFile file(currentDir.absoluteFilePath(files[i]));
-
- if (file.open(QIODevice::ReadOnly)) {
- QString line;
- QTextStream in(&file);
- while (!in.atEnd()) {
- if (progressDialog.wasCanceled())
- break;
- line = in.readLine();
- if (line.contains(text)) {
- foundFiles << files[i];
- break;
- }
- }
- }
- }
- return foundFiles;
-}
-//! [7]
-
-//! [8]
-void Window::showFiles(const QStringList &files)
-{
- for (int i = 0; i < files.size(); ++i) {
- QFile file(currentDir.absoluteFilePath(files[i]));
- qint64 size = QFileInfo(file).size();
-
- QTableWidgetItem *fileNameItem = new QTableWidgetItem(files[i]);
- fileNameItem->setFlags(fileNameItem->flags() ^ Qt::ItemIsEditable);
- QTableWidgetItem *sizeItem = new QTableWidgetItem(tr("%1 KB")
- .arg(int((size + 1023) / 1024)));
- 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("%1 file(s) found").arg(files.size()) +
- (" (Double click on a file to open it)"));
- filesFoundLabel->setWordWrap(true);
-}
-//! [8]
-
-//! [9]
-QPushButton *Window::createButton(const QString &text, const char *member)
-{
- QPushButton *button = new QPushButton(text);
- connect(button, SIGNAL(clicked()), this, member);
- return button;
-}
-//! [9]
-
-//! [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);
-
- connect(filesTable, SIGNAL(cellActivated(int,int)),
- this, SLOT(openFileOfItem(int,int)));
-}
-//! [11]
-
-//! [12]
-
-void Window::openFileOfItem(int row, int /* column */)
-{
- QTableWidgetItem *item = filesTable->item(row, 0);
-
- QDesktopServices::openUrl(QUrl::fromLocalFile(currentDir.absoluteFilePath(item->text())));
-}
-
-//! [12]
-
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