feat: Implement core functionality for DTC C/C++ IDE
- Added ProjectManager class to handle project operations including opening, closing, building, and running projects. - Introduced SyntaxHighlighter class for syntax highlighting in C and C++ files. - Developed TerminalWidget for command execution and output display. - Created TextEditor with line numbering and auto-indentation features. - Established main application entry point in main.cpp. - Designed UI layout for MainWindow using Qt Designer.
This commit is contained in:
TIPC1110
360
src/FileTreeWidget.cpp
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360
src/FileTreeWidget.cpp
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#include "FileTreeWidget.h"
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#include <QtWidgets/QHeaderView>
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#include <QtWidgets/QMenu>
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#include <QtGui/QAction>
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#include <QtWidgets/QInputDialog>
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#include <QtWidgets/QMessageBox>
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#include <QtCore/QFileInfo>
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#include <QtCore/QMimeData>
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#include <QtCore/QTimer>
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#include <QtGui/QContextMenuEvent>
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#include <QtGui/QPalette>
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#include <QtGui/QFont>
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#include <QtWidgets/QLabel>
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FileTreeWidget::FileTreeWidget(QWidget *parent)
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: QTreeWidget(parent)
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, m_fileWatcher(nullptr)
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, m_contextMenu(nullptr)
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, m_contextItem(nullptr)
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{
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setHeaderHidden(true);
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setRootIsDecorated(true);
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setAlternatingRowColors(false); // VS Code style: no alternating rows
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setDragDropMode(QAbstractItemView::InternalMove);
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setIndentation(18); // VS Code style
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setStyleSheet(R"(
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QTreeWidget {
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background: #1e1e1e;
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color: #d4d4d4;
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border: none;
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font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
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font-size: 14px;
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}
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QTreeWidget::item {
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height: 28px;
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padding-left: 8px;
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border-radius: 4px;
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}
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QTreeWidget::item:selected {
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background: #2a2d2e;
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color: #ffffff;
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}
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QTreeWidget::item:hover {
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background: #23272e;
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}
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QTreeWidget::branch:has-children:!has-siblings:closed,
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QTreeWidget::branch:closed:has-children:has-siblings {
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border-image: none;
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image: url(:/vsc/arrow-right.svg);
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}
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QTreeWidget::branch:open:has-children:!has-siblings,
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QTreeWidget::branch:open:has-children:has-siblings {
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border-image: none;
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image: url(:/vsc/arrow-down.svg);
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}
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)");
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// Add Explorer header like VS Code
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QLabel *explorerHeader = new QLabel("EXPLORER", this);
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explorerHeader->setStyleSheet("color: #858585; background: #23272e; font-weight: bold; padding: 8px 8px 4px 8px; letter-spacing: 1px;");
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explorerHeader->setFixedHeight(28);
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explorerHeader->setAlignment(Qt::AlignLeft | Qt::AlignVCenter);
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explorerHeader->setFont(QFont("JetBrains Mono", 11, QFont::Bold));
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explorerHeader->move(0, 0);
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explorerHeader->raise();
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setViewportMargins(0, 28, 0, 0);
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// Setup file watcher
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m_fileWatcher = new QFileSystemWatcher(this);
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connect(m_fileWatcher, &QFileSystemWatcher::directoryChanged,
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this, &FileTreeWidget::onDirectoryChanged);
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// Setup context menu
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setupContextMenu();
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setContextMenuPolicy(Qt::CustomContextMenu);
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connect(this, &QTreeWidget::customContextMenuRequested,
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this, &FileTreeWidget::onCustomContextMenu);
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// Connect signals
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connect(this, &QTreeWidget::itemClicked,
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this, &FileTreeWidget::onItemClicked);
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connect(this, &QTreeWidget::itemDoubleClicked,
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this, &FileTreeWidget::onItemDoubleClicked);
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}
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FileTreeWidget::~FileTreeWidget()
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{
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}
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void FileTreeWidget::setRootPath(const QString &path)
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{
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if (m_rootPath == path) {
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return;
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}
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m_rootPath = path;
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clear();
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if (!path.isEmpty() && QDir(path).exists()) {
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populateTree(path);
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// Watch the root directory
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if (m_fileWatcher) {
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m_fileWatcher->removePaths(m_fileWatcher->directories());
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m_fileWatcher->addPath(path);
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}
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}
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}
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QString FileTreeWidget::rootPath() const
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{
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return m_rootPath;
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}
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void FileTreeWidget::refreshTree()
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{
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setRootPath(m_rootPath);
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}
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void FileTreeWidget::populateTree(const QString &path, QTreeWidgetItem *parent)
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{
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QDir dir(path);
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if (!dir.exists()) {
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return;
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}
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// Get directory entries
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QFileInfoList entries = dir.entryInfoList(QDir::AllEntries | QDir::NoDotAndDotDot,
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QDir::DirsFirst | QDir::Name);
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for (const QFileInfo &entry : entries) {
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QTreeWidgetItem *item = new QTreeWidgetItem();
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item->setText(0, entry.fileName());
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item->setData(0, Qt::UserRole, entry.absoluteFilePath());
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if (entry.isDir()) {
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item->setData(0, Qt::UserRole + 1, true); // isDirectory flag
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item->setIcon(0, style()->standardIcon(QStyle::SP_DirIcon));
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// Add placeholder child for expandable directories
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QTreeWidgetItem *placeholder = new QTreeWidgetItem();
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placeholder->setText(0, "Loading...");
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item->addChild(placeholder);
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// Watch directory for changes
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if (m_fileWatcher) {
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m_fileWatcher->addPath(entry.absoluteFilePath());
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}
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} else {
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item->setData(0, Qt::UserRole + 1, false); // isDirectory flag
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item->setIcon(0, style()->standardIcon(QStyle::SP_FileIcon));
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}
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if (parent) {
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parent->addChild(item);
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} else {
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addTopLevelItem(item);
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}
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}
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}
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void FileTreeWidget::setupContextMenu()
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{
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m_contextMenu = new QMenu(this);
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QAction *newFileAction = m_contextMenu->addAction("New File", this, &FileTreeWidget::newFile);
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QAction *newFolderAction = m_contextMenu->addAction("New Folder", this, &FileTreeWidget::newFolder);
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m_contextMenu->addSeparator();
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QAction *deleteAction = m_contextMenu->addAction("Delete", this, &FileTreeWidget::deleteItem);
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QAction *renameAction = m_contextMenu->addAction("Rename", this, &FileTreeWidget::renameItem);
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}
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QString FileTreeWidget::getItemPath(QTreeWidgetItem *item) const
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{
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if (!item) {
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return QString();
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}
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return item->data(0, Qt::UserRole).toString();
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}
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bool FileTreeWidget::isDirectory(QTreeWidgetItem *item) const
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{
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if (!item) {
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return false;
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}
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return item->data(0, Qt::UserRole + 1).toBool();
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}
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void FileTreeWidget::onItemClicked(QTreeWidgetItem *item, int column)
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{
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Q_UNUSED(column)
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if (!item) {
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return;
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}
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QString path = getItemPath(item);
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if (isDirectory(item)) {
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emit directorySelected(path);
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// Expand directory and load children if needed
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if (!item->isExpanded() && item->childCount() == 1 &&
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item->child(0)->text(0) == "Loading...") {
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// Remove placeholder
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delete item->takeChild(0);
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// Populate directory
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populateTree(path, item);
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}
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} else {
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emit fileSelected(path);
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}
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}
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void FileTreeWidget::onItemDoubleClicked(QTreeWidgetItem *item, int column)
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{
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Q_UNUSED(column)
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if (!item) {
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return;
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}
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QString path = getItemPath(item);
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if (!isDirectory(item)) {
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emit fileDoubleClicked(path);
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}
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}
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void FileTreeWidget::onCustomContextMenu(const QPoint &point)
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{
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m_contextItem = itemAt(point);
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if (m_contextMenu) {
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m_contextMenu->exec(mapToGlobal(point));
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}
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}
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void FileTreeWidget::onDirectoryChanged(const QString &path)
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{
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Q_UNUSED(path)
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// Refresh tree when directory changes
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QTimer::singleShot(100, this, &FileTreeWidget::refreshTree);
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}
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void FileTreeWidget::newFile()
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{
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QString dirPath = m_rootPath;
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if (m_contextItem) {
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QString itemPath = getItemPath(m_contextItem);
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if (isDirectory(m_contextItem)) {
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dirPath = itemPath;
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} else {
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dirPath = QFileInfo(itemPath).absolutePath();
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}
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}
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bool ok;
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QString fileName = QInputDialog::getText(this, "New File", "File name:", QLineEdit::Normal, QString(), &ok);
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if (ok && !fileName.isEmpty()) {
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QString filePath = QDir(dirPath).absoluteFilePath(fileName);
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QFile file(filePath);
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if (file.open(QIODevice::WriteOnly)) {
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file.close();
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refreshTree();
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} else {
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QMessageBox::warning(this, "Error", "Could not create file: " + fileName);
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}
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}
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}
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void FileTreeWidget::newFolder()
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{
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QString dirPath = m_rootPath;
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if (m_contextItem) {
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QString itemPath = getItemPath(m_contextItem);
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if (isDirectory(m_contextItem)) {
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dirPath = itemPath;
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} else {
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dirPath = QFileInfo(itemPath).absolutePath();
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}
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}
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bool ok;
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QString folderName = QInputDialog::getText(this, "New Folder", "Folder name:", QLineEdit::Normal, QString(), &ok);
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if (ok && !folderName.isEmpty()) {
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QString folderPath = QDir(dirPath).absoluteFilePath(folderName);
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QDir dir;
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if (dir.mkpath(folderPath)) {
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refreshTree();
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} else {
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QMessageBox::warning(this, "Error", "Could not create folder: " + folderName);
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}
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}
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}
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void FileTreeWidget::deleteItem()
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{
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if (!m_contextItem) {
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return;
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}
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QString itemPath = getItemPath(m_contextItem);
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QString itemName = m_contextItem->text(0);
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int ret = QMessageBox::question(this, "Delete",
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QString("Are you sure you want to delete '%1'?").arg(itemName),
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QMessageBox::Yes | QMessageBox::No);
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if (ret == QMessageBox::Yes) {
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if (isDirectory(m_contextItem)) {
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QDir dir(itemPath);
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if (dir.removeRecursively()) {
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refreshTree();
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} else {
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QMessageBox::warning(this, "Error", "Could not delete folder: " + itemName);
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}
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} else {
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QFile file(itemPath);
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if (file.remove()) {
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refreshTree();
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} else {
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QMessageBox::warning(this, "Error", "Could not delete file: " + itemName);
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}
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}
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}
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}
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void FileTreeWidget::renameItem()
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{
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if (!m_contextItem) {
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return;
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}
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QString oldPath = getItemPath(m_contextItem);
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QString oldName = m_contextItem->text(0);
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bool ok;
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QString newName = QInputDialog::getText(this, "Rename", "New name:", QLineEdit::Normal, oldName, &ok);
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if (ok && !newName.isEmpty() && newName != oldName) {
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QString newPath = QFileInfo(oldPath).absolutePath() + "/" + newName;
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if (QFile::rename(oldPath, newPath)) {
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refreshTree();
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} else {
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QMessageBox::warning(this, "Error", "Could not rename: " + oldName);
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}
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}
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}
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