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#ifndef MO_TEXTEDITOR_H
#define MO_TEXTEDITOR_H
#include <QPlainTextEdit>
class TextEditor;
class TextEditorToolbar : public QFrame
{
Q_OBJECT;
public:
TextEditorToolbar(TextEditor& editor);
private:
TextEditor& m_editor;
QAction* m_save;
QAction* m_wordWrap;
QAction* m_explore;
QLineEdit* m_path;
void onTextModified(bool b);
void onWordWrap(bool b);
void onLoaded(const QString& s);
};
// mostly from https://doc.qt.io/qt-5/qtwidgets-widgets-codeeditor-example.html
//
class TextEditorLineNumbers : public QFrame
{
Q_OBJECT;
Q_PROPERTY(QColor textColor READ textColor WRITE setTextColor);
Q_PROPERTY(QColor backgroundColor READ backgroundColor WRITE setBackgroundColor);
public:
TextEditorLineNumbers(TextEditor& editor);
QSize sizeHint() const override;
int areaWidth() const;
QColor textColor() const;
void setTextColor(const QColor& c);
QColor backgroundColor() const;
void setBackgroundColor(const QColor& c);
protected:
void paintEvent(QPaintEvent* event) override;
private:
TextEditor& m_editor;
QColor m_background, m_text;
void updateAreaWidth();
void updateArea(const QRect& rect, int dy);
};
class TextEditorHighlighter : public QSyntaxHighlighter
{
Q_OBJECT;
public:
TextEditorHighlighter(QTextDocument* doc);
QColor backgroundColor() const;
void setBackgroundColor(const QColor& c);
QColor textColor() const;
void setTextColor(const QColor& c);
protected:
void highlightBlock(const QString& text) override;
private:
QColor m_background, m_text;
void changed();
};
class TextEditor : public QPlainTextEdit
{
Q_OBJECT;
Q_PROPERTY(QColor textColor READ textColor WRITE setTextColor);
Q_PROPERTY(QColor backgroundColor READ backgroundColor WRITE setBackgroundColor);
Q_PROPERTY(QColor highlightBackgroundColor READ highlightBackgroundColor WRITE
setHighlightBackgroundColor);
friend class TextEditorLineNumbers;
public:
TextEditor(QWidget* parent = nullptr);
void setupToolbar();
void clear();
bool load(const QString& filename);
bool save();
const QString& filename() const;
void wordWrap(bool b);
void toggleWordWrap();
bool wordWrap() const;
bool dirty() const;
QColor backgroundColor() const;
void setBackgroundColor(const QColor& c);
QColor textColor() const;
void setTextColor(const QColor& c);
QColor highlightBackgroundColor() const;
void setHighlightBackgroundColor(const QColor& c);
void explore();
signals:
void loaded(QString filename);
void modified(bool b);
void wordWrapChanged(bool b);
protected:
void resizeEvent(QResizeEvent* e) override;
private:
TextEditorToolbar* m_toolbar;
TextEditorLineNumbers* m_lineNumbers;
TextEditorHighlighter* m_highlighter;
QColor m_highlightBackground;
QString m_filename;
QString m_encoding;
bool m_needsBOM;
bool m_dirty;
bool m_loading;
void setDefaultStyle();
void onModified(bool b);
void dirty(bool b);
QWidget* wrapEditWidget();
void highlightCurrentLine();
void paintLineNumbers(QPaintEvent* e, const QColor& textColor);
};
class HTMLEditor : public QTextEdit
{
Q_OBJECT;
public:
using QTextEdit::QTextEdit;
signals:
void editingFinished();
protected:
void focusOutEvent(QFocusEvent* e);
private:
};
#endif // MO_TEXTEDITOR_H
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