#include "fb2text.hpp" #include "fb2dlgs.hpp" #include "fb2read.hpp" #include "fb2save.hpp" #include "fb2utils.h" #include "fb2html.h" #include "fb2xml2.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include //--------------------------------------------------------------------------- // FbNoteView //--------------------------------------------------------------------------- class FbNoteView : public QWebView { public: explicit FbNoteView(QWidget *parent, const QUrl &url); void hint(const QWebElement element, const QRect &rect); protected: void paintEvent(QPaintEvent *event); const QUrl m_url; }; FbNoteView::FbNoteView(QWidget *parent, const QUrl &url) : QWebView(parent) , m_url(url) { } void FbNoteView::paintEvent(QPaintEvent *event) { QWebView::paintEvent(event); QPainter painter(this); painter.setPen(Qt::black); QSize size = geometry().size() - QSize(1, 1); painter.drawRect( QRect(QPoint(0, 0), size) ); } void FbNoteView::hint(const QWebElement element, const QRect &rect) { QString html = element.toOuterXml(); html.prepend( "" "

" ); html.append("

"); setGeometry(rect); setHtml(html, m_url); show(); } //--------------------------------------------------------------------------- // FbTextPage //--------------------------------------------------------------------------- FbTextPage::FbTextPage(QObject *parent) : QWebPage(parent) { QWebSettings *s = settings(); s->setAttribute(QWebSettings::AutoLoadImages, true); s->setAttribute(QWebSettings::DeveloperExtrasEnabled, true); s->setAttribute(QWebSettings::JavaEnabled, false); s->setAttribute(QWebSettings::JavascriptEnabled, true); s->setAttribute(QWebSettings::PrivateBrowsingEnabled, true); s->setAttribute(QWebSettings::PluginsEnabled, false); s->setAttribute(QWebSettings::ZoomTextOnly, true); s->setUserStyleSheetUrl(QUrl::fromLocalFile(":style.css")); } bool FbTextPage::acceptNavigationRequest(QWebFrame *frame, const QNetworkRequest &request, NavigationType type) { Q_UNUSED(frame); if (type == NavigationTypeLinkClicked) { qCritical() << request.url().fragment(); return false; // QToolTip::showText(request.url().fragment()); } return QWebPage::acceptNavigationRequest(frame, request, type); } QString FbTextPage::div(const QString &style, const QString &text) { return QString("

").arg(style).arg(text); } QString FbTextPage::p(const QString &text) { return QString("

").arg(text); } FbTextElement FbTextPage::body() { return doc().findFirst("body"); } FbTextElement FbTextPage::doc() { return mainFrame()->documentElement(); } void FbTextPage::push(QUndoCommand * command, const QString &text) { undoStack()->beginMacro(text); undoStack()->push(command); undoStack()->endMacro(); } void FbTextPage::update() { emit contentsChanged(); emit selectionChanged(); } void FbTextPage::appendSection(const FbTextElement &parent) { QString html = div("section", div("title", p()) + p()); FbTextElement element = parent; element.appendInside(html); element = parent.lastChild(); QUndoCommand * command = new FbInsertCmd(element); push(command, tr("Append section")); } void FbTextPage::insertBody() { QString html = div("body", div("title", p()) + div("section", div("title", p()) + p())); FbTextElement element = body(); element.appendInside(html); element = element.lastChild(); QUndoCommand * command = new FbInsertCmd(element); push(command, tr("Append body")); } void FbTextPage::insertSection() { FbTextElement element = current(); while (!element.isNull()) { if (element.isSection() || element.isBody()) { appendSection(element); break; } element = element.parent(); } } void FbTextPage::insertTitle() { FbTextElement element = current(); while (!element.isNull()) { FbTextElement parent = element.parent(); if ((parent.isSection() || parent.isBody()) && !parent.hasTitle()) { QString html = div("title", p()); parent.prependInside(html); element = parent.firstChild(); QUndoCommand * command = new FbInsertCmd(element); push(command, tr("Insert title")); break; } element = parent; } } void FbTextPage::insertSubtitle() { FbTextElement element = current(); while (!element.isNull()) { FbTextElement parent = element.parent(); if (parent.isSection()) { QString html = div("subtitle", p()); if (element.isTitle()) { element.appendOutside(html); element = element.nextSibling(); } else { element.prependOutside(html); element = element.previousSibling(); } QUndoCommand * command = new FbInsertCmd(element); push(command, tr("Insert subtitle")); break; } element = parent; } } void FbTextPage::insertPoem() { FbTextElement element = current(); while (!element.isNull()) { FbTextElement parent = element.parent(); if (parent.isSection()) { QString html = div("poem", div("stanza", p())); if (element.isTitle()) { element.appendOutside(html); element = element.nextSibling(); } else { element.prependOutside(html); element = element.previousSibling(); } QUndoCommand * command = new FbInsertCmd(element); push(command, tr("Insert poem")); break; } element = parent; } } void FbTextPage::insertStanza() { FbTextElement element = current(); while (!element.isNull()) { if (element.isStanza()) { QString html = div("stanza", p()); element.appendOutside(html); element = element.nextSibling(); QUndoCommand * command = new FbInsertCmd(element); push(command, tr("Append stanza")); break; } element = element.parent(); } } void FbTextPage::insertAnnot() { } void FbTextPage::insertAuthor() { } void FbTextPage::insertEpigraph() { const QString type = "epigraph"; FbTextElement element = current(); while (!element.isNull()) { if (element.hasSubtype(type)) { QString html = div("epigraph", p()); element = element.insertInside(type, html); QUndoCommand * command = new FbInsertCmd(element); push(command, tr("Insert epigraph")); break; } element = element.parent(); } } void FbTextPage::insertDate() { } FbTextElement FbTextPage::current() { return element(location()); } FbTextElement FbTextPage::element(const QString &location) { QStringList list = location.split(","); QStringListIterator iterator(list); QWebElement result = doc(); while (iterator.hasNext()) { QString str = iterator.next(); int pos = str.indexOf("="); QString tag = str.left(pos); int key = str.mid(pos + 1).toInt(); if (key < 0) break; result = result.firstChild(); while (0 < key--) result = result.nextSibling(); } return result; } QString FbTextPage::location() { static const QString javascript = FB2::read(":/js/get_location.js").prepend("var element=document.getSelection().anchorNode;"); return mainFrame()->evaluateJavaScript(javascript).toString(); } QString FbTextPage::status() { static const QString javascript = FB2::read(":/js/get_status.js"); return mainFrame()->evaluateJavaScript(javascript).toString(); } //--------------------------------------------------------------------------- // FbTextBase //--------------------------------------------------------------------------- void FbTextBase::addTools(QToolBar *tool) { QAction *act; act = pageAction(QWebPage::Undo); act->setIcon(FbIcon("edit-undo")); act->setText(QObject::tr("&Undo")); act->setPriority(QAction::LowPriority); act->setShortcut(QKeySequence::Undo); tool->addAction(act); act = pageAction(QWebPage::Redo); act->setIcon(FbIcon("edit-redo")); act->setText(QObject::tr("&Redo")); act->setPriority(QAction::LowPriority); act->setShortcut(QKeySequence::Redo); tool->addAction(act); tool->addSeparator(); act = pageAction(QWebPage::Cut); act->setIcon(FbIcon("edit-cut")); act->setText(QObject::tr("Cu&t")); act->setPriority(QAction::LowPriority); act->setShortcuts(QKeySequence::Cut); act->setStatusTip(QObject::tr("Cut the current selection's contents to the clipboard")); tool->addAction(act); act = pageAction(QWebPage::Copy); act->setIcon(FbIcon("edit-copy")); act->setText(QObject::tr("&Copy")); act->setPriority(QAction::LowPriority); act->setShortcuts(QKeySequence::Copy); act->setStatusTip(QObject::tr("Copy the current selection's contents to the clipboard")); tool->addAction(act); act = pageAction(QWebPage::Paste); act->setIcon(FbIcon("edit-paste")); act->setText(QObject::tr("&Paste")); act->setPriority(QAction::LowPriority); act->setShortcuts(QKeySequence::Paste); act->setStatusTip(QObject::tr("Paste the clipboard's contents into the current selection")); tool->addAction(act); tool->addSeparator(); act = pageAction(QWebPage::ToggleBold); act->setIcon(FbIcon("format-text-bold")); act->setText(QObject::tr("&Bold")); tool->addAction(act); act = pageAction(QWebPage::ToggleItalic); act->setIcon(FbIcon("format-text-italic")); act->setText(QObject::tr("&Italic")); tool->addAction(act); act = pageAction(QWebPage::ToggleStrikethrough); act->setIcon(FbIcon("format-text-strikethrough")); act->setText(QObject::tr("&Strikethrough")); tool->addAction(act); act = pageAction(QWebPage::ToggleSuperscript); act->setIcon(FbIcon("format-text-superscript")); act->setText(QObject::tr("Su&perscript")); tool->addAction(act); act = pageAction(QWebPage::ToggleSubscript); act->setIcon(FbIcon("format-text-subscript")); act->setText(QObject::tr("Su&bscript")); tool->addAction(act); } //--------------------------------------------------------------------------- // FbTextEdit //--------------------------------------------------------------------------- FbTextEdit::FbTextEdit(QWidget *parent) : FbTextBase(parent) , m_files(this) , m_noteView(0) , m_thread(0) { setPage(new FbTextPage(this)); page()->setNetworkAccessManager(&m_files); page()->setContentEditable(true); connect(page(), SIGNAL(contentsChanged()), this, SLOT(fixContents())); connect(page(), SIGNAL(linkHovered(QString,QString,QString)), this, SLOT(linkHovered(QString,QString,QString))); connect(this, SIGNAL(loadFinished(bool)), SLOT(loadFinished())); } FbTextEdit::~FbTextEdit() { if (m_noteView) delete m_noteView; } FbTextPage * FbTextEdit::page() { return qobject_cast(FbTextBase::page()); } FbNoteView & FbTextEdit::noteView() { if (m_noteView) return *m_noteView; m_noteView = new FbNoteView(qobject_cast(parent()), url()); m_noteView->setPage(new FbTextPage(this)); m_noteView->page()->setNetworkAccessManager(page()->networkAccessManager()); m_noteView->page()->setContentEditable(false); m_noteView->setGeometry(QRect(100, 100, 400, 200)); return *m_noteView; } QWebElement FbTextEdit::body() { return doc().findFirst("body"); } QWebElement FbTextEdit::doc() { return page()->mainFrame()->documentElement(); } void FbTextEdit::fixContents() { foreach (QWebElement span, doc().findAll("span.apple-style-span[style]")) { span.removeAttribute("style"); } } void FbTextEdit::mouseMoveEvent(QMouseEvent *event) { m_point = event->pos(); QWebView::mouseMoveEvent(event); } void FbTextEdit::linkHovered(const QString &link, const QString &title, const QString &textContent) { Q_UNUSED(title); Q_UNUSED(textContent); const QString href = QUrl(link).fragment(); if (href.isEmpty()) { if (m_noteView) m_noteView->hide(); return; } const QString query = QString("DIV#%1").arg(href); const QWebElement element = doc().findFirst(query); if (element.isNull()) { if (m_noteView) m_noteView->hide(); return; } QRect rect = geometry(); QSize size = element.geometry().size() + QSize(2, 4); int center = rect.size().height() / 2; int h = size.height(); if (h > center) size.setHeight(center - 10); int x = (rect.size().width() - size.width()) / 2; int y = m_point.y(); if ( y > h ) y = y - h - 10; else y = y + 10; QPoint point = QPoint(x, y) + rect.topLeft(); noteView().hint(element, QRect(point, size)); } void FbTextEdit::load(const QString &filename, const QString &xml) { if (m_thread) return; m_thread = new FbReadThread(this, filename, xml); FbTextPage *page = new FbTextPage(m_thread); FbNetworkAccessManager *temp = new FbNetworkAccessManager(page); page->setNetworkAccessManager(temp); m_thread->setPage(page); m_thread->setTemp(temp); m_thread->start(); } bool FbTextEdit::save(QIODevice *device, const QString &codec) { FbSaveWriter writer(*this, device); if (!codec.isEmpty()) writer.setCodec(codec.toLatin1()); bool ok = FbSaveHandler(writer).save(); if (ok) page()->undoStack()->setClean(); return ok; } bool FbTextEdit::save(QByteArray *array) { FbSaveWriter writer(*this, array); return FbSaveHandler(writer).save(); } bool FbTextEdit::save(QString *string) { // Use class QByteArray instead QString // to store information about encoding. QByteArray data; bool ok = save(&data); if (ok) *string = QString::fromUtf8(data.data()); return ok; } void FbTextEdit::data(QString name, QByteArray data) { files().data(name, data); } void FbTextEdit::html(QString html) { static int number = 0; setHtml(html, QUrl(QString("fb2:/%1/").arg(number++))); if (m_thread) m_thread->deleteLater(); m_thread = 0; } void FbTextEdit::zoomIn() { qreal zoom = zoomFactor(); setZoomFactor(zoom * 1.1); } void FbTextEdit::zoomOut() { qreal zoom = zoomFactor(); setZoomFactor(zoom * 0.9); } void FbTextEdit::zoomReset() { setZoomFactor(1); } bool FbTextEdit::UndoEnabled() { return pageAction(QWebPage::Undo)->isEnabled(); } bool FbTextEdit::RedoEnabled() { return pageAction(QWebPage::Redo)->isEnabled(); } bool FbTextEdit::CutEnabled() { return pageAction(QWebPage::Cut)->isEnabled(); } bool FbTextEdit::CopyEnabled() { return pageAction(QWebPage::Copy)->isEnabled(); } bool FbTextEdit::BoldChecked() { return pageAction(QWebPage::ToggleBold)->isChecked(); } bool FbTextEdit::ItalicChecked() { return pageAction(QWebPage::ToggleItalic)->isChecked(); } bool FbTextEdit::StrikeChecked() { return pageAction(QWebPage::ToggleStrikethrough)->isChecked(); } bool FbTextEdit::SubChecked() { return pageAction(QWebPage::ToggleSubscript)->isChecked(); } bool FbTextEdit::SupChecked() { return pageAction(QWebPage::ToggleSuperscript)->isChecked(); } void FbTextEdit::find() { FbTextFindDlg dlg(*this); dlg.exec(); } void FbTextEdit::insertImage() { QString filters; filters += tr("Common Graphics (*.png *.jpg *.jpeg *.gif);;"); filters += tr("Portable Network Graphics (PNG) (*.png);;"); filters += tr("JPEG (*.jpg *.jpeg);;"); filters += tr("Graphics Interchange Format (*.gif);;"); filters += tr("All Files (*)"); QString path = QFileDialog::getOpenFileName(this, tr("Insert image..."), QString(), filters); if (path.isEmpty()) return; QFile file(path); if (!file.open(QIODevice::ReadOnly)) return; QByteArray data = file.readAll(); QString name = files().add(path, data); execCommand("insertImage", name.prepend("#")); } void FbTextEdit::insertNote() { FbNoteDlg dlg(*this); dlg.exec(); } void FbTextEdit::insertLink() { bool ok; QString text = QInputDialog::getText(this, tr("Insert hyperlink"), tr("URL:"), QLineEdit::Normal, QString(), &ok); if (ok && !text.isEmpty()) execCommand("CreateLink", text); } void FbTextEdit::execCommand(const QString &cmd, const QString &arg) { QString javascript = QString("document.execCommand(\"%1\",false,\"%2\")").arg(cmd).arg(arg); page()->mainFrame()->evaluateJavaScript(javascript); } void FbTextEdit::loadFinished() { FbTextElement element = body().findFirst("div.body"); if (element.isNull()) element = body(); element.select(); } //--------------------------------------------------------------------------- // FbTextFrame //--------------------------------------------------------------------------- FbTextFrame::FbTextFrame(QWidget* parent) : QFrame(parent) , view(this) , dock(0) { setFrameShape(QFrame::StyledPanel); setFrameShadow(QFrame::Sunken); QLayout * layout = new QBoxLayout(QBoxLayout::LeftToRight, this); layout->setSpacing(0); layout->setMargin(0); layout->addWidget(&view); } FbTextFrame::~FbTextFrame() { if (dock) dock->deleteLater(); } void FbTextFrame::showInspector() { if (dock) { dock->show(); return; } QMainWindow * main = qobject_cast(parent()); if (!main) return; dock = new QDockWidget(tr("Web inspector"), this); dock->setFeatures(QDockWidget::AllDockWidgetFeatures); main->addDockWidget(Qt::BottomDockWidgetArea, dock); QWebInspector * inspector = new QWebInspector(this); inspector->setPage(view.page()); dock->setWidget(inspector); } void FbTextFrame::hideInspector() { if (dock) dock->hide(); }