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-rw-r--r--examples/widgets/dialogs/findfiles/window.cpp139
1 files changed, 104 insertions, 35 deletions
diff --git a/examples/widgets/dialogs/findfiles/window.cpp b/examples/widgets/dialogs/findfiles/window.cpp
index 2f9b187bf0..05e160ed87 100644
--- a/examples/widgets/dialogs/findfiles/window.cpp
+++ b/examples/widgets/dialogs/findfiles/window.cpp
@@ -52,51 +52,72 @@
#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)
{
- browseButton = new QPushButton(tr("&Browse..."), this);
+ 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();
- directoryComboBox = createComboBox(QDir::currentPath());
+ connect(textComboBox->lineEdit(), &QLineEdit::returnPressed,
+ this, &Window::animateFindClick);
+ directoryComboBox = createComboBox(QDir::toNativeSeparators(QDir::currentPath()));
+ connect(directoryComboBox->lineEdit(), &QLineEdit::returnPressed,
+ this, &Window::animateFindClick);
- 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->addWidget(fileLabel, 0, 0);
+ QGridLayout *mainLayout = new QGridLayout(this);
+ mainLayout->addWidget(new QLabel(tr("Named:")), 0, 0);
mainLayout->addWidget(fileComboBox, 0, 1, 1, 2);
- mainLayout->addWidget(textLabel, 1, 0);
+ mainLayout->addWidget(new QLabel(tr("Containing text:")), 1, 0);
mainLayout->addWidget(textComboBox, 1, 1, 1, 2);
- mainLayout->addWidget(directoryLabel, 2, 0);
+ 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);
- setLayout(mainLayout);
setWindowTitle(tr("Find Files"));
- resize(700, 300);
+ const QRect screenGeometry = QApplication::desktop()->screenGeometry(this);
+ resize(screenGeometry.width() / 2, screenGeometry.height() / 3);
}
//! [1]
//! [2]
void Window::browse()
{
- QString directory = QFileDialog::getExistingDirectory(this,
- tr("Find Files"), QDir::currentPath());
+ QString directory =
+ QDir::toNativeSeparators(QFileDialog::getExistingDirectory(this, tr("Find Files"), QDir::currentPath()));
if (!directory.isEmpty()) {
if (directoryComboBox->findText(directory) == -1)
@@ -112,14 +133,28 @@ static void updateComboBox(QComboBox *comboBox)
comboBox->addItem(comboBox->currentText());
}
+//! [13]
+
+static void findRecursion(const QString &path, const QString &pattern, QStringList *result)
+{
+ QDir currentDir(path);
+ const QString prefix = path + QLatin1Char('/');
+ foreach (const QString &match, currentDir.entryList(QStringList(pattern), QDir::Files | QDir::NoSymLinks))
+ result->append(prefix + match);
+ foreach (const QString &dir, currentDir.entryList(QDir::Dirs | QDir::NoSymLinks | QDir::NoDotAndDotDot))
+ findRecursion(prefix + dir, pattern, result);
+}
+
+//! [13]
//! [3]
+
void Window::find()
{
filesTable->setRowCount(0);
QString fileName = fileComboBox->currentText();
QString text = textComboBox->currentText();
- QString path = directoryComboBox->currentText();
+ QString path = QDir::cleanPath(directoryComboBox->currentText());
//! [3]
updateComboBox(fileComboBox);
@@ -127,19 +162,21 @@ void Window::find()
updateComboBox(directoryComboBox);
//! [4]
+
currentDir = QDir(path);
QStringList files;
- if (fileName.isEmpty())
- fileName = "*";
- files = currentDir.entryList(QStringList(fileName),
- QDir::Files | QDir::NoSymLinks);
-
+ findRecursion(path, fileName.isEmpty() ? QStringLiteral("*") : fileName, &files);
if (!text.isEmpty())
files = findFiles(files, text);
showFiles(files);
}
//! [4]
+void Window::animateFindClick()
+{
+ findButton->animateClick();
+}
+
//! [5]
QStringList Window::findFiles(const QStringList &files, const QString &text)
{
@@ -149,21 +186,26 @@ QStringList Window::findFiles(const QStringList &files, const QString &text)
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 %2...")
- .arg(i).arg(files.size()));
- qApp->processEvents();
+ progressDialog.setLabelText(tr("Searching file number %1 of %n...", 0, files.size()).arg(i));
+ QCoreApplication::processEvents();
//! [6]
if (progressDialog.wasCanceled())
break;
//! [7]
- QFile file(currentDir.absoluteFilePath(files[i]));
-
+ 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);
@@ -171,7 +213,7 @@ QStringList Window::findFiles(const QStringList &files, const QString &text)
if (progressDialog.wasCanceled())
break;
line = in.readLine();
- if (line.contains(text)) {
+ if (line.contains(text, Qt::CaseInsensitive)) {
foundFiles << files[i];
break;
}
@@ -186,13 +228,18 @@ QStringList Window::findFiles(const QStringList &files, const QString &text)
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]);
+ const QString &fileName = files.at(i);
+ const QString toolTip = QDir::toNativeSeparators(fileName);
+ const QString relativePath = QDir::toNativeSeparators(currentDir.relativeFilePath(fileName));
+ const qint64 size = QFileInfo(fileName).size();
+ QTableWidgetItem *fileNameItem = new QTableWidgetItem(relativePath);
+ fileNameItem->setData(absoluteFileNameRole, QVariant(fileName));
+ fileNameItem->setToolTip(toolTip);
fileNameItem->setFlags(fileNameItem->flags() ^ Qt::ItemIsEditable);
QTableWidgetItem *sizeItem = new QTableWidgetItem(tr("%1 KB")
.arg(int((size + 1023) / 1024)));
+ sizeItem->setData(absoluteFileNameRole, QVariant(fileName));
+ sizeItem->setToolTip(toolTip);
sizeItem->setTextAlignment(Qt::AlignRight | Qt::AlignVCenter);
sizeItem->setFlags(sizeItem->flags() ^ Qt::ItemIsEditable);
@@ -201,8 +248,7 @@ void Window::showFiles(const QStringList &files)
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->setText(tr("%n file(s) found (Double click on a file to open it)", 0, files.size()));
filesFoundLabel->setWordWrap(true);
}
//! [8]
@@ -230,20 +276,43 @@ void Window::createFilesTable()
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 */)
{
- QTableWidgetItem *item = filesTable->item(row, 0);
-
- QDesktopServices::openUrl(QUrl::fromLocalFile(currentDir.absoluteFilePath(item->text())));
+ 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;
+ QAction *copyAction = menu.addAction("Copy Name");
+ QAction *openAction = menu.addAction("Open");
+ QAction *action = menu.exec(filesTable->mapToGlobal(pos));
+ if (!action)
+ return;
+ const QString fileName = fileNameOfItem(item);
+ if (action == copyAction)
+ QGuiApplication::clipboard()->setText(QDir::toNativeSeparators(fileName));
+ else if (action == openAction)
+ openFile(fileName);
+}
+//! [16]
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-20 00:27:02 +0000