diff options
-rw-r--r-- | tools/designer/src/components/formeditor/formeditor.qrc | 2 | ||||
-rw-r--r-- | tools/designer/src/components/formeditor/images/mac/simplifyrichtext.png | bin | 0 -> 1988 bytes | |||
-rw-r--r-- | tools/designer/src/components/formeditor/images/win/simplifyrichtext.png | bin | 0 -> 1933 bytes | |||
-rw-r--r-- | tools/designer/src/lib/shared/richtexteditor.cpp | 202 | ||||
-rw-r--r-- | tools/designer/src/lib/shared/richtexteditor_p.h | 1 |
5 files changed, 178 insertions, 27 deletions
diff --git a/tools/designer/src/components/formeditor/formeditor.qrc b/tools/designer/src/components/formeditor/formeditor.qrc index 6510814..ed7e40e 100644 --- a/tools/designer/src/components/formeditor/formeditor.qrc +++ b/tools/designer/src/components/formeditor/formeditor.qrc @@ -153,6 +153,7 @@ <file>images/win/textjustify.png</file> <file>images/win/textsuperscript.png</file> <file>images/win/textsubscript.png</file> + <file>images/win/simplifyrichtext.png</file> <file>images/win/back.png</file> <file>images/win/forward.png</file> <file>images/win/down.png</file> @@ -167,6 +168,7 @@ <file>images/mac/textjustify.png</file> <file>images/mac/textsuperscript.png</file> <file>images/mac/textsubscript.png</file> + <file>images/mac/simplifyrichtext.png</file> </qresource> <qresource prefix="/trolltech/brushes"> <file>defaultbrushes.xml</file> diff --git a/tools/designer/src/components/formeditor/images/mac/simplifyrichtext.png b/tools/designer/src/components/formeditor/images/mac/simplifyrichtext.png Binary files differnew file mode 100644 index 0000000..a48e974 --- /dev/null +++ b/tools/designer/src/components/formeditor/images/mac/simplifyrichtext.png diff --git a/tools/designer/src/components/formeditor/images/win/simplifyrichtext.png b/tools/designer/src/components/formeditor/images/win/simplifyrichtext.png Binary files differnew file mode 100644 index 0000000..e251cf7 --- /dev/null +++ b/tools/designer/src/components/formeditor/images/win/simplifyrichtext.png diff --git a/tools/designer/src/lib/shared/richtexteditor.cpp b/tools/designer/src/lib/shared/richtexteditor.cpp index ec7c2e5..b5a2618 100644 --- a/tools/designer/src/lib/shared/richtexteditor.cpp +++ b/tools/designer/src/lib/shared/richtexteditor.cpp @@ -52,6 +52,9 @@ #include <QtCore/QList> #include <QtCore/QMap> #include <QtCore/QPointer> +#include <QtCore/QXmlStreamReader> +#include <QtCore/QXmlStreamWriter> +#include <QtCore/QXmlStreamAttributes> #include <QtGui/QAction> #include <QtGui/QColorDialog> @@ -74,28 +77,129 @@ QT_BEGIN_NAMESPACE -static const char *RichTextDialogC = "RichTextDialog"; -static const char *Geometry = "Geometry"; +static const char RichTextDialogGroupC[] = "RichTextDialog"; +static const char GeometryKeyC[] = "Geometry"; +static const char TabKeyC[] = "Tab"; + +const bool simplifyRichTextDefault = true; namespace qdesigner_internal { +// Richtext simplification filter helpers: Elements to be discarded +static inline bool filterElement(const QStringRef &name) +{ + return name != QLatin1String("meta") && name != QLatin1String("style"); +} + +// Richtext simplification filter helpers: Filter attributes of elements +static inline void filterAttributes(const QStringRef &name, + QXmlStreamAttributes *atts, + bool *paragraphAlignmentFound) +{ + typedef QXmlStreamAttributes::iterator AttributeIt; + + if (atts->isEmpty()) + return; + + // No style attributes for <body> + if (name == QLatin1String("body")) { + atts->clear(); + return; + } + + // Clean out everything except 'align' for 'p' + if (name == QLatin1String("p")) { + for (AttributeIt it = atts->begin(); it != atts->end(); ) { + if (it->name() == QLatin1String("align")) { + ++it; + *paragraphAlignmentFound = true; + } else { + it = atts->erase(it); + } + } + return; + } +} + +// Richtext simplification filter helpers: Check for blank QStringRef. +static inline bool isWhiteSpace(const QStringRef &in) +{ + const int count = in.size(); + for (int i = 0; i < count; i++) + if (!in.at(i).isSpace()) + return false; + return true; +} + +// Richtext simplification filter: Remove hard-coded font settings, +// <style> elements, <p> attributes other than 'align' and +// and unnecessary meta-information. +QString simplifyRichTextFilter(const QString &in, bool *isPlainTextPtr = 0) +{ + unsigned elementCount = 0; + bool paragraphAlignmentFound = false; + QString out; + QXmlStreamReader reader(in); + QXmlStreamWriter writer(&out); + writer.setAutoFormatting(false); + writer.setAutoFormattingIndent(0); + + while (!reader.atEnd()) { + switch (reader.readNext()) { + case QXmlStreamReader::StartElement: + elementCount++; + if (filterElement(reader.name())) { + const QStringRef name = reader.name(); + QXmlStreamAttributes attributes = reader.attributes(); + filterAttributes(name, &attributes, ¶graphAlignmentFound); + writer.writeStartElement(name.toString()); + if (!attributes.isEmpty()) + writer.writeAttributes(attributes); + } else { + reader.readElementText(); // Skip away all nested elements and characters. + } + break; + case QXmlStreamReader::Characters: + if (!isWhiteSpace(reader.text())) + writer.writeCharacters(reader.text().toString()); + break; + case QXmlStreamReader::EndElement: + writer.writeEndElement(); + break; + default: + break; + } + } + // Check for plain text (no spans, just <html><head><body><p>) + if (isPlainTextPtr) + *isPlainTextPtr = !paragraphAlignmentFound && elementCount == 4u; // + return out; +} + class RichTextEditor : public QTextEdit { Q_OBJECT public: - RichTextEditor(QWidget *parent = 0); - void setDefaultFont(const QFont &font); + explicit RichTextEditor(QWidget *parent = 0); + void setDefaultFont(QFont font); QToolBar *createToolBar(QDesignerFormEditorInterface *core, QWidget *parent = 0); + bool simplifyRichText() const { return m_simplifyRichText; } + public slots: void setFontBold(bool b); void setFontPointSize(double); void setText(const QString &text); + void setSimplifyRichText(bool v); QString text(Qt::TextFormat format) const; signals: void stateChanged(); + void simplifyRichTextChanged(bool); + +private: + bool m_simplifyRichText; }; class AddLinkDialog : public QDialog @@ -303,6 +407,7 @@ private: QAction *m_align_justify_action; QAction *m_link_action; QAction *m_image_action; + QAction *m_simplify_richtext_action; ColorAction *m_color_action; QComboBox *m_font_size_input; @@ -432,6 +537,17 @@ RichTextEditorToolBar::RichTextEditorToolBar(QDesignerFormEditorInterface *core, this, SLOT(colorChanged(QColor))); addAction(m_color_action); + addSeparator(); + + // Simplify rich text + m_simplify_richtext_action + = createCheckableAction(createIconSet(QLatin1String("simplifyrichtext.png")), + tr("Simplify Rich Text"), m_editor, SLOT(setSimplifyRichText(bool))); + m_simplify_richtext_action->setChecked(m_editor->simplifyRichText()); + connect(m_editor, SIGNAL(simplifyRichTextChanged(bool)), + m_simplify_richtext_action, SLOT(setChecked(bool))); + addAction(m_simplify_richtext_action); + connect(editor, SIGNAL(textChanged()), this, SLOT(updateActions())); connect(editor, SIGNAL(stateChanged()), this, SLOT(updateActions())); @@ -551,7 +667,7 @@ void RichTextEditorToolBar::updateActions() } RichTextEditor::RichTextEditor(QWidget *parent) - : QTextEdit(parent) + : QTextEdit(parent), m_simplifyRichText(simplifyRichTextDefault) { connect(this, SIGNAL(currentCharFormatChanged(QTextCharFormat)), this, SIGNAL(stateChanged())); @@ -579,14 +695,31 @@ void RichTextEditor::setFontPointSize(double d) void RichTextEditor::setText(const QString &text) { + if (Qt::mightBeRichText(text)) setHtml(text); else setPlainText(text); } -void RichTextEditor::setDefaultFont(const QFont &font) +void RichTextEditor::setSimplifyRichText(bool v) { + if (v != m_simplifyRichText) { + m_simplifyRichText = v; + emit simplifyRichTextChanged(v); + } +} + +void RichTextEditor::setDefaultFont(QFont font) +{ + // Some default fonts on Windows have a default size of 7.8, + // which results in complicated rich text generated by toHtml(). + // Use an integer value. + const int pointSize = qRound(font.pointSizeF()); + if (pointSize > 0 && !qFuzzyCompare(qreal(pointSize), font.pointSizeF())) { + font.setPointSize(pointSize); + } + document()->setDefaultFont(font); if (font.pointSize() > 0) setFontPointSize(font.pointSize()); @@ -602,15 +735,16 @@ QString RichTextEditor::text(Qt::TextFormat format) const case Qt::PlainText: return toPlainText(); case Qt::RichText: - return toHtml(); + return m_simplifyRichText ? simplifyRichTextFilter(toHtml()) : toHtml(); case Qt::AutoText: break; } const QString html = toHtml(); - const QString plain = toPlainText(); - QTextEdit tester; - tester.setPlainText(plain); - return tester.toHtml() == html ? plain : html; + bool isPlainText; + const QString simplifiedHtml = simplifyRichTextFilter(html, &isPlainText); + if (isPlainText) + return toPlainText(); + return m_simplifyRichText ? simplifiedHtml : html; } RichTextEditorDialog::RichTextEditorDialog(QDesignerFormEditorInterface *core, QWidget *parent) : @@ -619,15 +753,25 @@ RichTextEditorDialog::RichTextEditorDialog(QDesignerFormEditorInterface *core, Q m_text_edit(new HtmlTextEdit), m_tab_widget(new QTabWidget), m_state(Clean), - m_core(core) + m_core(core), + m_initialTab(RichTextIndex) { setWindowTitle(tr("Edit text")); setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint); + // Read settings + const QDesignerSettingsInterface *settings = core->settingsManager(); + const QString rootKey = QLatin1String(RichTextDialogGroupC) + QLatin1Char('/'); + const QByteArray lastGeometry = settings->value(rootKey + QLatin1String(GeometryKeyC)).toByteArray(); + const int initialTab = settings->value(rootKey + QLatin1String(TabKeyC), QVariant(m_initialTab)).toInt(); + if (initialTab == RichTextIndex || initialTab == SourceIndex) + m_initialTab = initialTab; + m_text_edit->setAcceptRichText(false); new HtmlHighlighter(m_text_edit); connect(m_editor, SIGNAL(textChanged()), this, SLOT(richTextChanged())); + connect(m_editor, SIGNAL(simplifyRichTextChanged(bool)), this, SLOT(richTextChanged())); connect(m_text_edit, SIGNAL(textChanged()), this, SLOT(sourceChanged())); // The toolbar needs to be created after the RichTextEditor @@ -661,32 +805,33 @@ RichTextEditorDialog::RichTextEditorDialog(QDesignerFormEditorInterface *core, Q layout->addWidget(m_tab_widget); layout->addWidget(buttonBox); - m_editor->setFocus(); - - QDesignerSettingsInterface *settings = core->settingsManager(); - settings->beginGroup(QLatin1String(RichTextDialogC)); - - if (settings->contains(QLatin1String(Geometry))) - restoreGeometry(settings->value(QLatin1String(Geometry)).toByteArray()); - - settings->endGroup(); + if (!lastGeometry.isEmpty()) + restoreGeometry(lastGeometry); } RichTextEditorDialog::~RichTextEditorDialog() { QDesignerSettingsInterface *settings = m_core->settingsManager(); - settings->beginGroup(QLatin1String(RichTextDialogC)); + settings->beginGroup(QLatin1String(RichTextDialogGroupC)); - settings->setValue(QLatin1String(Geometry), saveGeometry()); + settings->setValue(QLatin1String(GeometryKeyC), saveGeometry()); + settings->setValue(QLatin1String(TabKeyC), m_tab_widget->currentIndex()); settings->endGroup(); } int RichTextEditorDialog::showDialog() { - m_tab_widget->setCurrentIndex(0); - m_editor->selectAll(); - m_editor->setFocus(); - + m_tab_widget->setCurrentIndex(m_initialTab); + switch (m_initialTab) { + case RichTextIndex: + m_editor->selectAll(); + m_editor->setFocus(); + break; + case SourceIndex: + m_text_edit->selectAll(); + m_text_edit->setFocus(); + break; + } return exec(); } @@ -697,6 +842,9 @@ void RichTextEditorDialog::setDefaultFont(const QFont &font) void RichTextEditorDialog::setText(const QString &text) { + // Generally simplify rich text unless verbose text is found. + const bool isSimplifiedRichText = !text.startsWith("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0//EN\" \"http://www.w3.org/TR/REC-html40/strict.dtd\">"); + m_editor->setSimplifyRichText(isSimplifiedRichText); m_editor->setText(text); m_text_edit->setPlainText(text); m_state = Clean; diff --git a/tools/designer/src/lib/shared/richtexteditor_p.h b/tools/designer/src/lib/shared/richtexteditor_p.h index 44023ef..116ecb4 100644 --- a/tools/designer/src/lib/shared/richtexteditor_p.h +++ b/tools/designer/src/lib/shared/richtexteditor_p.h @@ -93,6 +93,7 @@ private: QTabWidget *m_tab_widget; State m_state; QDesignerFormEditorInterface *m_core; + int m_initialTab; }; } // namespace qdesigner_internal |