#include "MainWindow.h" #include "GitRunner.h" #include "LanguageManager.h" #include "MarkdownEditor.h" #include "MarkdownRenderer.h" #include "ThemeManager.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include namespace { constexpr int kMaxRecentFiles = 8; constexpr int kDefaultFontSize = 12; const char kWelcomeText[] = R"VOILETMARK( # 欢迎使用 VoiletMark 一款轻量的跨平台 Markdown 编辑器，基于 **Qt 5** 与 C++ 构建。 ## 快速开始 - `Ctrl+O` 打开文件，`Ctrl+S` 保存，`Ctrl+Shift+S` 另存为 - 也可以直接把 Markdown 文件拖进窗口 - `Tab` / `Shift+Tab` 缩进整行，`Ctrl+滚轮` 调整字号 ## 主题 界面默认跟随系统的浅色 / 深色设置自动切换， 也可以在 **视图 → 主题** 中手动锁定。 ## 语法预览 > 引用、列表、`行内代码`、**粗体**、*斜体*、~~删除线~~ > 以及 [链接](https://example.com) 都会实时着色。 1. 有序列表项 2. 另一个有序列表项 | 功能 | 状态 | | --- | :---: | | 语法高亮 | 完成 | | 导出 PDF | 完成 | | Git 同步 | 完成 | - [x] 自动深浅色主题 - [x] Markdown 语法高亮 - [x] 导出 PDF ```cpp #include int main() { std::printf("Hello, VoiletMark!\n"); return 0; } ``` --- )VOILETMARK"; const char kWelcomeTextEn[] = R"VOILETMARK( # Welcome to VoiletMark A lightweight cross-platform Markdown editor built with **Qt 5** and C++. ## Quick start - `Ctrl+O` opens a file, `Ctrl+S` saves, `Ctrl+Shift+S` saves as - Drag a Markdown file into the window to open it - `Ctrl+1` – `Ctrl+6` set heading levels, `Ctrl+/` wraps a code block - `Ctrl+E` exports the document to PDF (A4) ## Modes The default view is the editor: Markdown markers are hidden, headings are sized, and the line under the cursor reveals its raw markers. Click `` in the status bar to see the source with line numbers. ## Theme Follows the system light / dark setting by default; switch it under **View → Theme**. > Quotes, lists, `inline code`, **bold**, *italic*, ~~strikethrough~~ > and [links](https://example.com) all render in place. | Feature | Status | | --- | :---: | | Syntax highlighting | Done | | PDF export | Done | | Git sync | Done | - [x] Syntax highlighting - [x] Folder sidebar - [x] PDF export ```cpp #include int main() { std::printf("Hello, VoiletMark!\n"); return 0; } ``` --- )VOILETMARK"; } // namespace MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent) { setMinimumSize(760, 520); resize(1024, 720); m_editor = new MarkdownEditor(this); setCentralWidget(m_editor); m_git = new GitRunner(this); connect(m_git, &GitRunner::finished, this, &MainWindow::onGitFinished); createActions(); createSidebar(); createMenus(); createStatusBar(); loadSettings(); refreshRecentMenu(); connect(m_editor->document(), &QTextDocument::modificationChanged, this, &MainWindow::updateWindowTitle); connect(m_editor, &QPlainTextEdit::cursorPositionChanged, this, &MainWindow::updateStatusBar); connect(m_editor, &MarkdownEditor::zoomStepRequested, this, &MainWindow::changeZoom); connect(m_editor, &MarkdownEditor::fileDropped, this, &MainWindow::openPath); connect(LanguageManager::instance(), &LanguageManager::languageChanged, this, &MainWindow::retranslateUi); showWelcomeDocument(); updateEditActionStates(); updateStatusBar(); m_editor->setFocus(); } void MainWindow::createActions() { m_newAction = new QAction(tr("新建"), this); m_newAction->setShortcut(QKeySequence::New); connect(m_newAction, &QAction::triggered, this, &MainWindow::newFile); m_openAction = new QAction(tr("打开…"), this); m_openAction->setShortcut(QKeySequence::Open); connect(m_openAction, &QAction::triggered, this, &MainWindow::openFile); m_saveAction = new QAction(tr("保存"), this); m_saveAction->setShortcut(QKeySequence::Save); connect(m_saveAction, &QAction::triggered, this, [this] { saveFile(); }); m_saveAsAction = new QAction(tr("另存为…"), this); m_saveAsAction->setShortcut(QKeySequence(QStringLiteral("Ctrl+Shift+S"))); connect(m_saveAsAction, &QAction::triggered, this, [this] { saveFileAs(); }); m_exportPdfAction = new QAction(tr("导出 PDF…"), this); m_exportPdfAction->setShortcut(QKeySequence(QStringLiteral("Ctrl+E"))); connect(m_exportPdfAction, &QAction::triggered, this, &MainWindow::exportPdf); m_quitAction = new QAction(tr("退出"), this); m_quitAction->setShortcut(QKeySequence::Quit); connect(m_quitAction, &QAction::triggered, this, &QWidget::close); m_undoAction = new QAction(tr("撤销"), this); m_undoAction->setShortcut(QKeySequence::Undo); connect(m_undoAction, &QAction::triggered, m_editor, &QPlainTextEdit::undo); m_redoAction = new QAction(tr("重做"), this); m_redoAction->setShortcut(QKeySequence::Redo); connect(m_redoAction, &QAction::triggered, m_editor, &QPlainTextEdit::redo); m_cutAction = new QAction(tr("剪切"), this); m_cutAction->setShortcut(QKeySequence::Cut); connect(m_cutAction, &QAction::triggered, m_editor, &QPlainTextEdit::cut); m_copyAction = new QAction(tr("复制"), this); m_copyAction->setShortcut(QKeySequence::Copy); connect(m_copyAction, &QAction::triggered, m_editor, &QPlainTextEdit::copy); m_pasteAction = new QAction(tr("粘贴"), this); m_pasteAction->setShortcut(QKeySequence::Paste); connect(m_pasteAction, &QAction::triggered, m_editor, &QPlainTextEdit::paste); m_selectAllAction = new QAction(tr("全选"), this); m_selectAllAction->setShortcut(QKeySequence::SelectAll); connect(m_selectAllAction, &QAction::triggered, m_editor, &QPlainTextEdit::selectAll); m_wrapAction = new QAction(tr("自动换行"), this); m_wrapAction->setCheckable(true); m_wrapAction->setShortcut(QKeySequence(QStringLiteral("Alt+Z"))); connect(m_wrapAction, &QAction::toggled, this, &MainWindow::setWordWrapEnabled); m_zoomInAction = new QAction(tr("放大"), this); m_zoomInAction->setShortcut(QKeySequence::ZoomIn); connect(m_zoomInAction, &QAction::triggered, this, [this] { changeZoom(1); }); m_zoomOutAction = new QAction(tr("缩小"), this); m_zoomOutAction->setShortcut(QKeySequence::ZoomOut); connect(m_zoomOutAction, &QAction::triggered, this, [this] { changeZoom(-1); }); m_zoomResetAction = new QAction(tr("实际大小"), this); m_zoomResetAction->setShortcut(QKeySequence(QStringLiteral("Ctrl+0"))); connect(m_zoomResetAction, &QAction::triggered, this, &MainWindow::resetZoom); connect(m_editor, &QPlainTextEdit::undoAvailable, m_undoAction, &QAction::setEnabled); connect(m_editor, &QPlainTextEdit::redoAvailable, m_redoAction, &QAction::setEnabled); connect(m_editor, &QPlainTextEdit::copyAvailable, m_cutAction, &QAction::setEnabled); connect(m_editor, &QPlainTextEdit::copyAvailable, m_copyAction, &QAction::setEnabled); m_openFolderAction = new QAction(tr("打开文件夹…"), this); m_openFolderAction->setShortcut(QKeySequence(QStringLiteral("Ctrl+Shift+O"))); connect(m_openFolderAction, &QAction::triggered, this, &MainWindow::chooseFolder); m_sidebarAction = new QAction(tr("侧栏"), this); m_sidebarAction->setCheckable(true); m_sidebarAction->setChecked(true); m_sidebarAction->setShortcut(QKeySequence(QStringLiteral("Ctrl+B"))); connect(m_sidebarAction, &QAction::toggled, this, [this](bool visible) { if (m_sidebar) m_sidebar->setVisible(visible); if (m_sidebarButton) { const QSignalBlocker blocker(m_sidebarButton); m_sidebarButton->setChecked(visible); } QSettings().setValue(QStringLiteral("window/sidebarVisible"), visible); }); m_sourceModeAction = new QAction(tr("源代码模式"), this); m_sourceModeAction->setCheckable(true); m_sourceModeAction->setShortcut(QKeySequence(QStringLiteral("Ctrl+Shift+M"))); connect(m_sourceModeAction, &QAction::toggled, this, &MainWindow::setSourceModeEnabled); m_codeBlockAction = new QAction(tr("代码块"), this); m_codeBlockAction->setShortcut(QKeySequence(QStringLiteral("Ctrl+/"))); connect(m_codeBlockAction, &QAction::triggered, this, [this] { m_editor->toggleCodeBlock(); }); for (int level = 1; level <= 6; ++level) { QAction *action = new QAction(tr("标题 %1").arg(level), this); action->setShortcut(QKeySequence(QStringLiteral("Ctrl+%1").arg(level))); connect(action, &QAction::triggered, this, [this, level] { m_editor->setHeadingLevel(level); }); m_headingActions[level - 1] = action; } } void MainWindow::createSidebar() { m_sidebar = new QDockWidget(tr("文件夹"), this); m_sidebar->setObjectName(QStringLiteral("folderDock")); m_sidebar->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea); m_sidebar->setFeatures(QDockWidget::NoDockWidgetFeatures); m_sidebar->setTitleBarWidget(new QWidget(m_sidebar)); QWidget *content = new QWidget(m_sidebar); QVBoxLayout *layout = new QVBoxLayout(content); layout->setContentsMargins(8, 8, 8, 8); layout->setSpacing(6); m_folderLabel = new QLabel(tr("未打开文件夹"), content); m_folderLabel->setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Preferred); layout->addWidget(m_folderLabel); m_fileList = new QListWidget(content); m_fileList->setFrameShape(QFrame::NoFrame); m_fileList->setUniformItemSizes(true); m_fileList->setTextElideMode(Qt::ElideMiddle); m_fileList->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff); m_fileList->setContextMenuPolicy(Qt::CustomContextMenu); layout->addWidget(m_fileList, 1); // ---- Git 工具条：只有打开的是仓库时才显示 ---- m_gitBar = new QWidget(content); QGridLayout *gitLayout = new QGridLayout(m_gitBar); gitLayout->setContentsMargins(0, 2, 0, 0); gitLayout->setSpacing(4); m_gitStatusLabel = new QLabel(tr("Git 仓库"), m_gitBar); m_gitStatusLabel->setForegroundRole(QPalette::PlaceholderText); gitLayout->addWidget(m_gitStatusLabel, 0, 0, 1, 3); auto makeGitButton = [this](const QString &text, const QString &tip) { QPushButton *button = new QPushButton(text, m_gitBar); button->setToolTip(tip); button->setCursor(Qt::PointingHandCursor); button->setStyleSheet(QStringLiteral("padding: 3px 6px; min-width: 0;")); return button; }; m_gitFetchButton = makeGitButton(tr("获取"), tr("git fetch --all --prune")); m_gitPullButton = makeGitButton(tr("拉取"), tr("git pull --ff-only")); m_gitStageButton = makeGitButton(tr("添加"), tr("git add -A")); m_gitCommitButton = makeGitButton(tr("提交"), tr("把暂存区的内容提交")); m_gitPushButton = makeGitButton(tr("推送"), tr("git push")); gitLayout->addWidget(m_gitFetchButton, 1, 0); gitLayout->addWidget(m_gitPullButton, 1, 1); gitLayout->addWidget(m_gitStageButton, 1, 2); gitLayout->addWidget(m_gitCommitButton, 2, 0, 1, 2); gitLayout->addWidget(m_gitPushButton, 2, 2); layout->addWidget(m_gitBar); m_gitBar->setVisible(false); connect(m_gitPullButton, &QPushButton::clicked, this, &MainWindow::gitPull); connect(m_gitFetchButton, &QPushButton::clicked, this, &MainWindow::gitFetch); connect(m_gitPushButton, &QPushButton::clicked, this, &MainWindow::gitPush); connect(m_gitStageButton, &QPushButton::clicked, this, &MainWindow::gitStageAll); connect(m_gitCommitButton, &QPushButton::clicked, this, &MainWindow::gitCommit); connect(m_fileList, &QListWidget::customContextMenuRequested, this, &MainWindow::showFileContextMenu); m_sidebar->setWidget(content); addDockWidget(Qt::LeftDockWidgetArea, m_sidebar); resizeDocks({m_sidebar}, {250}, Qt::Horizontal); connect(m_fileList, &QListWidget::itemClicked, this, &MainWindow::openSidebarItem); // 列表自己刷新：没有“刷新”按钮，每 5 秒比对一次文件集合，变了才重建。 m_folderRefreshTimer = new QTimer(this); m_folderRefreshTimer->setInterval(5000); connect(m_folderRefreshTimer, &QTimer::timeout, this, &MainWindow::refreshFolder); m_folderRefreshTimer->start(); } void MainWindow::createMenus() { m_fileMenu = menuBar()->addMenu(tr("文件")); m_fileMenu->addAction(m_newAction); m_fileMenu->addAction(m_openAction); m_fileMenu->addAction(m_openFolderAction); m_recentMenu = m_fileMenu->addMenu(tr("最近打开")); m_fileMenu->addSeparator(); m_fileMenu->addAction(m_saveAction); m_fileMenu->addAction(m_saveAsAction); m_fileMenu->addAction(m_exportPdfAction); m_fileMenu->addSeparator(); m_fileMenu->addAction(m_quitAction); m_editMenu = menuBar()->addMenu(tr("编辑")); m_editMenu->addAction(m_undoAction); m_editMenu->addAction(m_redoAction); m_editMenu->addSeparator(); m_editMenu->addAction(m_cutAction); m_editMenu->addAction(m_copyAction); m_editMenu->addAction(m_pasteAction); m_editMenu->addSeparator(); m_editMenu->addAction(m_selectAllAction); m_viewMenu = menuBar()->addMenu(tr("视图")); m_viewMenu->addAction(m_sidebarAction); m_viewMenu->addAction(m_sourceModeAction); m_viewMenu->addSeparator(); m_viewMenu->addAction(m_wrapAction); m_viewMenu->addSeparator(); m_viewMenu->addAction(m_zoomInAction); m_viewMenu->addAction(m_zoomOutAction); m_viewMenu->addAction(m_zoomResetAction); m_viewMenu->addSeparator(); m_themeMenu = m_viewMenu->addMenu(tr("主题")); QActionGroup *themeGroup = new QActionGroup(this); themeGroup->setExclusive(true); m_themeSystemAction = new QAction(ThemeManager::modeLabel(ThemeManager::Mode::System), this); m_themeLightAction = new QAction(ThemeManager::modeLabel(ThemeManager::Mode::Light), this); m_themeDarkAction = new QAction(ThemeManager::modeLabel(ThemeManager::Mode::Dark), this); m_themeScheduleAction = new QAction(ThemeManager::modeLabel(ThemeManager::Mode::Schedule), this); m_themeScheduleAction->setToolTip(tr("6:00–18:00 使用浅色，其余时间使用深色")); for (QAction *action : {m_themeSystemAction, m_themeLightAction, m_themeDarkAction, m_themeScheduleAction}) { action->setCheckable(true); themeGroup->addAction(action); m_themeMenu->addAction(action); } m_themeSystemAction->setChecked(true); connect(m_themeSystemAction, &QAction::triggered, this, [this] { applyThemeMode(static_cast(ThemeManager::Mode::System)); }); connect(m_themeLightAction, &QAction::triggered, this, [this] { applyThemeMode(static_cast(ThemeManager::Mode::Light)); }); connect(m_themeDarkAction, &QAction::triggered, this, [this] { applyThemeMode(static_cast(ThemeManager::Mode::Dark)); }); connect(m_themeScheduleAction, &QAction::triggered, this, [this] { applyThemeMode(static_cast(ThemeManager::Mode::Schedule)); }); m_languageMenu = m_viewMenu->addMenu(tr("语言")); QActionGroup *languageGroup = new QActionGroup(this); languageGroup->setExclusive(true); m_languageChineseAction = new QAction(LanguageManager::displayName(QStringLiteral("zh_CN")), this); m_languageEnglishAction = new QAction(LanguageManager::displayName(QStringLiteral("en")), this); for (QAction *action : {m_languageChineseAction, m_languageEnglishAction}) { action->setCheckable(true); languageGroup->addAction(action); m_languageMenu->addAction(action); } connect(m_languageChineseAction, &QAction::triggered, this, [this] { applyLanguage(QStringLiteral("zh_CN")); }); connect(m_languageEnglishAction, &QAction::triggered, this, [this] { applyLanguage(QStringLiteral("en")); }); m_formatMenu = menuBar()->addMenu(tr("格式")); m_headingMenu = m_formatMenu->addMenu(tr("标题")); for (QAction *headingAction : m_headingActions) { if (headingAction) m_headingMenu->addAction(headingAction); } m_formatMenu->addAction(m_codeBlockAction); m_helpMenu = menuBar()->addMenu(tr("帮助")); m_aboutAction = m_helpMenu->addAction(tr("关于 VoiletMark"), this, &MainWindow::showAbout); } void MainWindow::createStatusBar() { // 左下角：侧栏开关 + 源代码模式开关。 m_sidebarButton = new QToolButton(this); m_sidebarButton->setText(tr("侧栏")); m_sidebarButton->setCheckable(true); m_sidebarButton->setChecked(true); m_sidebarButton->setCursor(Qt::PointingHandCursor); m_sidebarButton->setToolTip(tr("显示 / 隐藏文件夹侧栏（Ctrl+B）")); statusBar()->addWidget(m_sidebarButton); connect(m_sidebarButton, &QToolButton::toggled, m_sidebarAction, &QAction::setChecked); m_sourceButton = new QToolButton(this); m_sourceButton->setText(QStringLiteral("")); m_sourceButton->setCheckable(true); m_sourceButton->setCursor(Qt::PointingHandCursor); m_sourceButton->setToolTip(tr("源代码模式：关闭语法高亮与行号（Ctrl+Shift+M）")); statusBar()->addWidget(m_sourceButton); m_statusLabel = new QLabel(this); m_statusLabel->setContentsMargins(8, 0, 10, 0); statusBar()->addPermanentWidget(m_statusLabel); statusBar()->setSizeGripEnabled(false); connect(m_sourceButton, &QToolButton::toggled, this, &MainWindow::setSourceModeEnabled); } void MainWindow::loadSettings() { QSettings settings; const QByteArray geometry = settings.value(QStringLiteral("window/geometry")).toByteArray(); if (!geometry.isEmpty()) restoreGeometry(geometry); m_lastDirectory = settings.value(QStringLiteral("files/lastDirectory")).toString(); if (m_lastDirectory.isEmpty()) m_lastDirectory = QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation); const int fontSize = settings.value(QStringLiteral("editor/fontSize"), kDefaultFontSize).toInt(); m_editor->setEditorFontPointSize(fontSize); const bool wrap = settings.value(QStringLiteral("editor/wordWrap"), true).toBool(); m_wrapAction->setChecked(wrap); setWordWrapEnabled(wrap); loadRecentFiles(); const ThemeManager::Mode mode = ThemeManager::instance()->mode(); m_themeSystemAction->setChecked(mode == ThemeManager::Mode::System); m_themeLightAction->setChecked(mode == ThemeManager::Mode::Light); m_themeDarkAction->setChecked(mode == ThemeManager::Mode::Dark); m_themeScheduleAction->setChecked(mode == ThemeManager::Mode::Schedule); m_folderPath = settings.value(QStringLiteral("files/folder")).toString(); if (!m_folderPath.isEmpty() && QFileInfo(m_folderPath).isDir()) refreshFolder(); else m_folderPath.clear(); const bool sidebarVisible = settings.value(QStringLiteral("window/sidebarVisible"), true).toBool(); m_sidebar->setVisible(sidebarVisible); m_sidebarAction->setChecked(sidebarVisible); const bool sourceMode = settings.value(QStringLiteral("editor/sourceMode"), false).toBool(); setSourceModeEnabled(sourceMode); updateGitState(); } void MainWindow::saveSettings() { QSettings settings; settings.setValue(QStringLiteral("window/geometry"), saveGeometry()); settings.setValue(QStringLiteral("editor/fontSize"), m_editor->editorFontPointSize()); settings.setValue(QStringLiteral("editor/wordWrap"), m_wrapAction->isChecked()); settings.setValue(QStringLiteral("files/lastDirectory"), m_lastDirectory); settings.setValue(QStringLiteral("files/recent"), m_recentFiles); settings.setValue(QStringLiteral("files/folder"), m_folderPath); settings.setValue(QStringLiteral("window/sidebarVisible"), m_sidebar->isVisible()); } void MainWindow::closeEvent(QCloseEvent *event) { if (!maybeSave()) { event->ignore(); return; } saveSettings(); event->accept(); } QString MainWindow::displayName() const { if (m_currentPath.isEmpty()) return tr("未命名"); return QFileInfo(m_currentPath).fileName(); } QString MainWindow::startDirectory() const { if (!m_currentPath.isEmpty()) return QFileInfo(m_currentPath).absolutePath(); if (QFileInfo::exists(m_lastDirectory)) return m_lastDirectory; return QStandardPaths::writableLocation(QStandardPaths::HomeLocation); } void MainWindow::showWelcomeDocument() { const bool english = LanguageManager::instance()->language() == QLatin1String("en"); QString text = QString::fromUtf8(english ? kWelcomeTextEn : kWelcomeText); if (text.startsWith(QLatin1Char('\n'))) text.remove(0, 1); m_welcomeText = text; m_editor->setPlainText(text); m_editor->applyBlockRhythm(); m_editor->document()->setModified(false); m_editor->document()->clearUndoRedoStacks(); setCurrentFile(QString()); m_editor->moveCursor(QTextCursor::Start); } void MainWindow::newFile() { if (!maybeSave()) return; m_editor->clear(); m_editor->applyBlockRhythm(); m_editor->document()->setModified(false); m_editor->document()->clearUndoRedoStacks(); m_hasBom = false; m_eol = Eol::Lf; setCurrentFile(QString()); updateStatusBar(); m_editor->setFocus(); } void MainWindow::openFile() { if (!maybeSave()) return; const QString path = QFileDialog::getOpenFileName( this, tr("打开 Markdown 文件"), startDirectory(), tr("Markdown 文件 (*.md *.markdown *.mdown *.mkd);;文本文件 (*.txt);;所有文件 (*)")); if (path.isEmpty()) return; openPath(path); } bool MainWindow::openPath(const QString &path) { if (path.isEmpty()) return false; const QString absolutePath = QFileInfo(path).absoluteFilePath(); if (!maybeSave()) return false; QFile file(absolutePath); if (!file.open(QIODevice::ReadOnly)) { QMessageBox::warning(this, tr("无法打开文件"), tr("读取「%1」失败：%2") .arg(QDir::toNativeSeparators(absolutePath), file.errorString())); return false; } const QByteArray raw = file.readAll(); file.close(); m_hasBom = raw.startsWith("\xEF\xBB\xBF"); QString text = QString::fromUtf8(m_hasBom ? raw.mid(3) : raw); m_eol = text.contains(QStringLiteral("\r\n")) ? Eol::Crlf : Eol::Lf; if (m_eol == Eol::Crlf) text.replace(QStringLiteral("\r\n"), QStringLiteral("\n")); m_editor->setPlainText(text); m_editor->applyBlockRhythm(); m_editor->document()->setModified(false); m_editor->document()->clearUndoRedoStacks(); setCurrentFile(absolutePath); addRecentFile(absolutePath); updateStatusBar(); m_editor->setFocus(); return true; } bool MainWindow::saveFile() { if (m_currentPath.isEmpty()) return saveFileAs(); return writeToFile(m_currentPath); } bool MainWindow::saveFileAs() { QString path = QFileDialog::getSaveFileName( this, tr("另存为"), startDirectory(), tr("Markdown 文件 (*.md);;文本文件 (*.txt);;所有文件 (*)")); if (path.isEmpty()) return false; if (QFileInfo(path).suffix().isEmpty()) path += QStringLiteral(".md"); return writeToFile(path); } void MainWindow::exportPdf() { QString suggested = m_currentPath.isEmpty() ? tr("未命名") : QFileInfo(m_currentPath).completeBaseName(); suggested += QStringLiteral(".pdf"); QString target = QFileDialog::getSaveFileName( this, tr("导出 PDF"), QDir(startDirectory()).filePath(suggested), tr("PDF 文件 (*.pdf)")); if (target.isEmpty()) return; if (!target.endsWith(QStringLiteral(".pdf"), Qt::CaseInsensitive)) target += QStringLiteral(".pdf"); QTextDocument document; MarkdownRenderer::render(m_editor->toPlainText(), &document); document.setPageSize(QSizeF(672.76, 1001.57)); QPrinter printer(QPrinter::HighResolution); printer.setOutputFormat(QPrinter::PdfFormat); printer.setOutputFileName(target); printer.setPageSize(QPageSize(QPageSize::A4)); printer.setPageMargins(QMarginsF(16, 16, 16, 16), QPageLayout::Millimeter); printer.setDocName(QFileInfo(target).completeBaseName()); document.print(&printer); if (!QFileInfo::exists(target) || QFileInfo(target).size() <= 0) { QMessageBox::warning(this, tr("导出失败"), tr("没能写出「%1」，换个位置再试一次。") .arg(QDir::toNativeSeparators(target))); return; } statusBar()->showMessage(tr("已导出 %1").arg(QDir::toNativeSeparators(target)), 4000); } bool MainWindow::writeToFile(const QString &path) { QString text = m_editor->toPlainText(); if (m_eol == Eol::Crlf) text.replace(QLatin1Char('\n'), QStringLiteral("\r\n")); QByteArray data = text.toUtf8(); if (m_hasBom) data.prepend("\xEF\xBB\xBF"); QSaveFile file(path); if (!file.open(QIODevice::WriteOnly)) { QMessageBox::warning(this, tr("无法保存文件"), tr("写入「%1」失败：%2") .arg(QDir::toNativeSeparators(path), file.errorString())); return false; } if (file.write(data) != data.size()) { file.cancelWriting(); QMessageBox::warning(this, tr("无法保存文件"), tr("写入「%1」时发生错误。").arg(QDir::toNativeSeparators(path))); return false; } if (!file.commit()) { QMessageBox::warning(this, tr("无法保存文件"), tr("提交「%1」失败：%2") .arg(QDir::toNativeSeparators(path), file.errorString())); return false; } m_editor->document()->setModified(false); setCurrentFile(path); addRecentFile(path); statusBar()->showMessage(tr("已保存 %1").arg(QDir::toNativeSeparators(path)), 2500); return true; } bool MainWindow::maybeSave() { if (!m_editor->document()->isModified()) return true; const QMessageBox::StandardButton button = QMessageBox::warning( this, tr("VoiletMark"), tr("「%1」有未保存的修改，是否保存？").arg(displayName()), QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel, QMessageBox::Save); if (button == QMessageBox::Save) return saveFile(); return button == QMessageBox::Discard; } void MainWindow::setCurrentFile(const QString &path) { m_currentPath = path; if (!path.isEmpty()) { m_lastDirectory = QFileInfo(path).absolutePath(); setWindowFilePath(path); } else { setWindowFilePath(QString()); } updateWindowTitle(); selectInSidebar(path); } void MainWindow::updateWindowTitle() { setWindowTitle(tr("%1[*] — VoiletMark").arg(displayName())); setWindowModified(m_editor->document()->isModified()); } void MainWindow::updateEditActionStates() { m_undoAction->setEnabled(m_editor->document()->isUndoAvailable()); m_redoAction->setEnabled(m_editor->document()->isRedoAvailable()); m_cutAction->setEnabled(m_editor->textCursor().hasSelection()); m_copyAction->setEnabled(m_editor->textCursor().hasSelection()); } void MainWindow::updateStatusBar() { const QTextCursor cursor = m_editor->textCursor(); const int line = cursor.blockNumber() + 1; const int column = cursor.positionInBlock() + 1; const int characters = m_editor->document()->characterCount() - 1; QString text = tr("行 %1，列 %2").arg(line).arg(column); if (cursor.hasSelection()) text += tr(" 已选 %1 字").arg(cursor.selectedText().size()); text += tr(" %1 字").arg(qMax(0, characters)); text += QStringLiteral(" UTF-8"); m_statusLabel->setText(text); } void MainWindow::changeZoom(int direction) { const int size = (direction == 0) ? kDefaultFontSize : m_editor->editorFontPointSize() + direction; m_editor->setEditorFontPointSize(size); QSettings().setValue(QStringLiteral("editor/fontSize"), m_editor->editorFontPointSize()); } void MainWindow::resetZoom() { changeZoom(0); } void MainWindow::setWordWrapEnabled(bool enabled) { m_editor->setLineWrapMode(enabled ? QPlainTextEdit::WidgetWidth : QPlainTextEdit::NoWrap); QSettings().setValue(QStringLiteral("editor/wordWrap"), enabled); } void MainWindow::applyThemeMode(int mode) { ThemeManager::instance()->setMode(static_cast(mode), true); } void MainWindow::applyLanguage(const QString &code) { LanguageManager::instance()->setLanguage(code); } void MainWindow::retranslateUi() { m_fileMenu->setTitle(tr("文件")); m_editMenu->setTitle(tr("编辑")); m_viewMenu->setTitle(tr("视图")); m_formatMenu->setTitle(tr("格式")); m_helpMenu->setTitle(tr("帮助")); m_recentMenu->setTitle(tr("最近打开")); m_themeMenu->setTitle(tr("主题")); m_headingMenu->setTitle(tr("标题")); m_languageMenu->setTitle(tr("语言")); m_newAction->setText(tr("新建")); m_openAction->setText(tr("打开…")); m_openFolderAction->setText(tr("打开文件夹…")); m_saveAction->setText(tr("保存")); m_saveAsAction->setText(tr("另存为…")); m_exportPdfAction->setText(tr("导出 PDF…")); m_quitAction->setText(tr("退出")); m_undoAction->setText(tr("撤销")); m_redoAction->setText(tr("重做")); m_cutAction->setText(tr("剪切")); m_copyAction->setText(tr("复制")); m_pasteAction->setText(tr("粘贴")); m_selectAllAction->setText(tr("全选")); m_sidebarAction->setText(tr("侧栏")); m_sourceModeAction->setText(tr("源代码模式")); m_wrapAction->setText(tr("自动换行")); m_zoomInAction->setText(tr("放大")); m_zoomOutAction->setText(tr("缩小")); m_zoomResetAction->setText(tr("实际大小")); m_themeSystemAction->setText(ThemeManager::modeLabel(ThemeManager::Mode::System)); m_themeLightAction->setText(ThemeManager::modeLabel(ThemeManager::Mode::Light)); m_themeDarkAction->setText(ThemeManager::modeLabel(ThemeManager::Mode::Dark)); m_themeScheduleAction->setText(ThemeManager::modeLabel(ThemeManager::Mode::Schedule)); m_themeScheduleAction->setToolTip(tr("6:00–18:00 使用浅色，其余时间使用深色")); for (int level = 1; level <= 6; ++level) { if (m_headingActions[level - 1]) m_headingActions[level - 1]->setText(tr("标题 %1").arg(level)); } m_codeBlockAction->setText(tr("代码块")); m_aboutAction->setText(tr("关于 VoiletMark")); if (m_sidebarButton) { m_sidebarButton->setText(tr("侧栏")); m_sidebarButton->setToolTip(tr("显示 / 隐藏文件夹侧栏（Ctrl+B）")); } if (m_sourceButton) m_sourceButton->setToolTip(tr("源代码模式：关闭语法高亮与行号（Ctrl+Shift+M）")); const QString language = LanguageManager::instance()->language(); m_languageChineseAction->setChecked(language == QLatin1String("zh_CN")); m_languageEnglishAction->setChecked(language == QLatin1String("en")); // 侧栏、最近打开、欢迎文档都跟着换 m_displayedFolder.clear(); refreshRecentMenu(); refreshFolder(); if (m_currentPath.isEmpty() && !m_editor->document()->isModified() && m_editor->toPlainText() == m_welcomeText) { showWelcomeDocument(); } updateWindowTitle(); updateStatusBar(); } void MainWindow::showAbout() { QMessageBox box(this); box.setWindowTitle(tr("关于 VoiletMark")); box.setIconPixmap(QPixmap(QStringLiteral(":/packaging/voiletmark.png")) .scaled(72, 72, Qt::KeepAspectRatio, Qt::SmoothTransformation)); box.setTextFormat(Qt::RichText); box.setText(tr("

VoiletMark %1

" "

一个轻量的跨平台 Markdown 编辑器。

" "

基于 Qt %2 与 C++17 构建。

") .arg(QCoreApplication::applicationVersion(), QString::fromLatin1(qVersion()))); box.setStandardButtons(QMessageBox::Ok); box.exec(); } void MainWindow::addRecentFile(const QString &path) { const QString absolutePath = QFileInfo(path).absoluteFilePath(); m_recentFiles.removeAll(absolutePath); m_recentFiles.prepend(absolutePath); while (m_recentFiles.size() > kMaxRecentFiles) m_recentFiles.removeLast(); refreshRecentMenu(); QSettings().setValue(QStringLiteral("files/recent"), m_recentFiles); } void MainWindow::loadRecentFiles() { m_recentFiles = QSettings().value(QStringLiteral("files/recent")).toStringList(); m_recentFiles.removeDuplicates(); while (m_recentFiles.size() > kMaxRecentFiles) m_recentFiles.removeLast(); } void MainWindow::refreshRecentMenu() { if (!m_recentMenu) return; m_recentMenu->clear(); if (m_recentFiles.isEmpty()) { QAction *empty = m_recentMenu->addAction(tr("（暂无记录）")); empty->setEnabled(false); return; } for (const QString &path : m_recentFiles) { QAction *action = m_recentMenu->addAction(QDir::toNativeSeparators(path)); action->setToolTip(path); connect(action, &QAction::triggered, this, [this, path] { openPath(path); }); } m_recentMenu->addSeparator(); m_recentMenu->addAction(tr("清空列表"), this, [this] { m_recentFiles.clear(); QSettings().setValue(QStringLiteral("files/recent"), m_recentFiles); refreshRecentMenu(); }); } void MainWindow::chooseFolder() { const QString directory = QFileDialog::getExistingDirectory( this, tr("打开文件夹"), startDirectory(), QFileDialog::ShowDirsOnly); if (!directory.isEmpty()) openFolder(directory); } void MainWindow::openFolder(const QString &path) { const QFileInfo info(path); if (!info.isDir()) return; m_folderPath = info.absoluteFilePath(); m_lastDirectory = m_folderPath; QSettings().setValue(QStringLiteral("files/folder"), m_folderPath); refreshFolder(); updateGitState(); m_sidebar->setVisible(true); m_sidebarAction->setChecked(true); } QStringList MainWindow::scanFolder() const { QStringList files; if (m_folderPath.isEmpty() || !QFileInfo(m_folderPath).isDir()) return files; const QDir root(m_folderPath); QDirIterator iterator(m_folderPath, {QStringLiteral("*.md"), QStringLiteral("*.markdown"), QStringLiteral("*.mdown"), QStringLiteral("*.mkd")}, QDir::Files, QDirIterator::Subdirectories); while (iterator.hasNext()) { const QString filePath = iterator.next(); const QString relative = root.relativeFilePath(filePath); if (relative.startsWith(QLatin1Char('.')) || relative.contains(QLatin1String("/."))) continue; files.append(filePath); } std::sort(files.begin(), files.end(), [&root](const QString &left, const QString &right) { return root.relativeFilePath(left).compare(root.relativeFilePath(right), Qt::CaseInsensitive) < 0; }); return files; } void MainWindow::refreshFolder() { if (!m_fileList) return; if (m_folderPath.isEmpty() || !QFileInfo(m_folderPath).isDir()) { if (m_fileList->count() > 0 || m_displayedFolder != m_folderPath) { m_fileList->clear(); m_displayedFolder = m_folderPath; m_folderLabel->setText(tr("未打开文件夹")); m_folderLabel->setToolTip(tr("文件 → 打开文件夹…")); } return; } const QDir root(m_folderPath); if (m_displayedFolder != m_folderPath) { m_displayedFolder = m_folderPath; m_fileList->clear(); m_folderLabel->setText(root.dirName().isEmpty() ? m_folderPath : root.dirName()); m_folderLabel->setToolTip(QDir::toNativeSeparators(m_folderPath)); } const QStringList files = scanFolder(); // 和当前显示的内容一致就什么都不做，避免每 5 秒闪一下、丢失选中项。 QStringList shown; shown.reserve(m_fileList->count()); for (int index = 0; index < m_fileList->count(); ++index) { const QString path = m_fileList->item(index)->data(Qt::UserRole).toString(); if (!path.isEmpty()) shown.append(path); } if (files == shown) return; const QString selectedPath = m_currentPath; m_fileList->clear(); for (const QString &filePath : files) { QListWidgetItem *item = new QListWidgetItem(root.relativeFilePath(filePath), m_fileList); item->setData(Qt::UserRole, filePath); item->setToolTip(QDir::toNativeSeparators(filePath)); } if (files.isEmpty()) { QListWidgetItem *empty = new QListWidgetItem(tr("（没有 Markdown 文件）"), m_fileList); empty->setFlags(Qt::NoItemFlags); } selectInSidebar(selectedPath); } void MainWindow::openSidebarItem(QListWidgetItem *item) { if (!item) return; const QString path = item->data(Qt::UserRole).toString(); if (path.isEmpty()) return; if (!m_currentPath.isEmpty() && QFileInfo(path).absoluteFilePath() == QFileInfo(m_currentPath).absoluteFilePath() && !m_editor->document()->isModified()) { return; } openPath(path); } void MainWindow::selectInSidebar(const QString &path) { if (!m_fileList || m_fileList->count() == 0) return; const QString absolute = path.isEmpty() ? QString() : QFileInfo(path).absoluteFilePath(); if (!absolute.isEmpty()) { for (int index = 0; index < m_fileList->count(); ++index) { QListWidgetItem *item = m_fileList->item(index); const QString itemPath = item->data(Qt::UserRole).toString(); if (itemPath.isEmpty()) continue; if (QFileInfo(itemPath).absoluteFilePath() == absolute) { m_fileList->setCurrentItem(item); m_fileList->scrollToItem(item); return; } } } m_fileList->clearSelection(); m_fileList->setCurrentItem(nullptr); } void MainWindow::setSourceModeEnabled(bool enabled) { m_editor->setSourceMode(enabled); if (m_sourceButton) { const QSignalBlocker blocker(m_sourceButton); m_sourceButton->setChecked(enabled); m_sourceButton->setText(enabled ? QStringLiteral("") : QStringLiteral("")); } if (m_sourceModeAction) { const QSignalBlocker blocker(m_sourceModeAction); m_sourceModeAction->setChecked(enabled); } QSettings().setValue(QStringLiteral("editor/sourceMode"), enabled); } // ---------------------------------------------------------------- Git void MainWindow::updateGitState() { m_gitRoot.clear(); m_gitBranch.clear(); if (!m_folderPath.isEmpty() && QFileInfo(m_folderPath).isDir()) { QProcess process; process.setWorkingDirectory(m_folderPath); process.start(QStringLiteral("git"), {QStringLiteral("rev-parse"), QStringLiteral("--show-toplevel")}); if (process.waitForFinished(3000) && process.exitCode() == 0) m_gitRoot = QString::fromLocal8Bit(process.readAllStandardOutput()).trimmed(); } if (!m_gitRoot.isEmpty()) { QProcess branch; branch.setWorkingDirectory(m_gitRoot); branch.start(QStringLiteral("git"), {QStringLiteral("rev-parse"), QStringLiteral("--abbrev-ref"), QStringLiteral("HEAD")}); if (branch.waitForFinished(3000) && branch.exitCode() == 0) m_gitBranch = QString::fromLocal8Bit(branch.readAllStandardOutput()).trimmed(); } if (m_git) m_git->setWorkingDirectory(m_gitRoot.isEmpty() ? m_folderPath : m_gitRoot); if (m_gitBar) { m_gitBar->setVisible(!m_gitRoot.isEmpty()); m_gitStatusLabel->setText(m_gitBranch.isEmpty() ? tr("Git 仓库") : m_gitBranch); m_gitStatusLabel->setToolTip(m_gitRoot); } } void MainWindow::setGitBusy(bool busy) { m_gitBusy = busy; const QList buttons = {m_gitPullButton, m_gitFetchButton, m_gitPushButton, m_gitStageButton, m_gitCommitButton}; for (QPushButton *button : buttons) { if (button) button->setEnabled(!busy); } } void MainWindow::enqueueGit(const QStringList &arguments, const QString &label) { GitStep step; step.arguments = arguments; step.label = label; m_gitQueue.enqueue(step); if (!m_gitBusy) runNextGit(); } void MainWindow::runNextGit() { if (m_gitQueue.isEmpty()) { setGitBusy(false); statusBar()->clearMessage(); return; } const GitStep step = m_gitQueue.dequeue(); setGitBusy(true); statusBar()->showMessage(tr("正在%1…").arg(step.label)); m_git->run(step.arguments, step.label); } void MainWindow::onGitFinished(bool ok, const QString &label, const QString &output) { if (!ok) { m_gitQueue.clear(); setGitBusy(false); statusBar()->clearMessage(); QMessageBox::warning(this, tr("Git 操作失败"), tr("%1失败：\n\n%2") .arg(label, output.isEmpty() ? tr("（没有输出）") : output)); return; } if (m_gitQueue.isEmpty()) { setGitBusy(false); statusBar()->showMessage(tr("%1完成").arg(label), 3000); refreshFolder(); } else { runNextGit(); } } void MainWindow::gitPull() { if (m_gitRoot.isEmpty()) return; enqueueGit({QStringLiteral("pull"), QStringLiteral("--ff-only")}, tr("拉取")); } void MainWindow::gitFetch() { if (m_gitRoot.isEmpty()) return; enqueueGit({QStringLiteral("fetch"), QStringLiteral("--all"), QStringLiteral("--prune")}, tr("获取")); } void MainWindow::gitPush() { if (m_gitRoot.isEmpty()) return; enqueueGit({QStringLiteral("push")}, tr("推送")); } void MainWindow::gitStageAll() { if (m_gitRoot.isEmpty()) return; enqueueGit({QStringLiteral("add"), QStringLiteral("-A")}, tr("暂存")); } void MainWindow::gitCommit() { if (m_gitRoot.isEmpty()) return; QProcess staged; staged.setWorkingDirectory(m_gitRoot); staged.start(QStringLiteral("git"), {QStringLiteral("diff"), QStringLiteral("--cached"), QStringLiteral("--quiet")}); if (staged.waitForFinished(5000) && staged.exitCode() == 0) { QMessageBox::information(this, tr("提交"), tr("暂存区是空的，先点「暂存」把所有改动加进去。")); return; } bool ok = false; const QString message = QInputDialog::getMultiLineText( this, tr("提交"), tr("提交说明："), QString(), &ok); if (!ok || message.trimmed().isEmpty()) return; enqueueGit({QStringLiteral("commit"), QStringLiteral("-m"), message.trimmed()}, tr("提交")); } void MainWindow::gitAddFile(const QString &path) { if (m_gitRoot.isEmpty()) return; const QString relative = QDir(m_gitRoot).relativeFilePath(path); enqueueGit({QStringLiteral("add"), QStringLiteral("--"), relative}, tr("添加到提交")); } void MainWindow::gitIgnoreFile(const QString &path) { if (m_gitRoot.isEmpty()) return; const QString relative = QDir(m_gitRoot).relativeFilePath(path); const QString ignorePath = QDir(m_gitRoot).filePath(QStringLiteral(".gitignore")); QStringList lines; QFile ignoreFile(ignorePath); if (ignoreFile.open(QIODevice::ReadOnly | QIODevice::Text)) lines = QString::fromUtf8(ignoreFile.readAll()).split(QLatin1Char('\n')); ignoreFile.close(); for (const QString &line : lines) { if (line.trimmed() == relative) { statusBar()->showMessage(tr("「%1」已经在 .gitignore 里了").arg(relative), 4000); return; } } if (!ignoreFile.open(QIODevice::Append | QIODevice::Text)) { QMessageBox::warning(this, tr("忽略文件"), tr("打不开 .gitignore：%1").arg(ignoreFile.errorString())); return; } QTextStream stream(&ignoreFile); stream << relative << "\n"; ignoreFile.close(); statusBar()->showMessage(tr("已把 %1 写进 .gitignore").arg(relative), 4000); } void MainWindow::gitRemoveRemote(const QString &path) { if (m_gitRoot.isEmpty()) return; const QString relative = QDir(m_gitRoot).relativeFilePath(path); QProcess check; check.setWorkingDirectory(m_gitRoot); check.start(QStringLiteral("git"), {QStringLiteral("ls-files"), QStringLiteral("--error-unmatch"), QStringLiteral("--"), relative}); if (!(check.waitForFinished(5000) && check.exitCode() == 0)) { QMessageBox::information(this, tr("删除远端"), tr("「%1」没有被 git 跟踪，远端本来就没有它。").arg(relative)); return; } QMessageBox box(QMessageBox::Warning, tr("删除远端"), tr("从仓库删除「%1」并推送到远端？\n\n" "本地文件会保留，远端和别人 pull 下来的仓库里会删掉它。") .arg(relative), QMessageBox::NoButton, this); QPushButton *confirm = box.addButton(tr("删除并推送"), QMessageBox::AcceptRole); box.addButton(tr("取消"), QMessageBox::RejectRole); box.exec(); if (box.clickedButton() != confirm) return; enqueueGit({QStringLiteral("rm"), QStringLiteral("--cached"), QStringLiteral("--"), relative}, tr("从仓库移除")); enqueueGit({QStringLiteral("commit"), QStringLiteral("-m"), tr("chore: 从仓库删除 %1").arg(relative)}, tr("提交")); enqueueGit({QStringLiteral("push")}, tr("推送")); } void MainWindow::showFileContextMenu(const QPoint &pos) { QListWidgetItem *item = m_fileList->itemAt(pos); if (!item) return; const QString path = item->data(Qt::UserRole).toString(); if (path.isEmpty()) return; QMenu menu(this); menu.addAction(tr("打开"), this, [this, path] { openPath(path); }); if (!m_gitRoot.isEmpty()) { menu.addSeparator(); QAction *addAction = menu.addAction(tr("添加"), this, [this, path] { gitAddFile(path); }); addAction->setToolTip(tr("git add 这个文件")); QAction *ignoreAction = menu.addAction(tr("忽略"), this, [this, path] { gitIgnoreFile(path); }); ignoreAction->setToolTip(tr("把路径写进 .gitignore（不改仓库里已跟踪的文件）")); QAction *removeAction = menu.addAction(tr("删除远端"), this, [this, path] { gitRemoveRemote(path); }); removeAction->setToolTip(tr("git rm --cached 后提交并推送：远端删除，本地保留")); } menu.exec(m_fileList->viewport()->mapToGlobal(pos)); }