1 files changed, 170 insertions, 0 deletions
diff --git a/include/ui/TextField.h b/include/ui/TextField.h
new file mode 100644
index 00000000..953c8f29
--- /dev/null
+++ b/include/ui/TextField.h
@@ -0,0 +1,170 @@
+#ifndef UI_TEXT_FIELD_H
+#define UI_TEXT_FIELD_H
+
+#include <QColor>
+#include <QLineEdit>
+#include <QPaintEvent>
+#include <QPropertyAnimation>
+#include <QStateMachine>
+#include <QtGlobal>
+
+class TextField;
+class TextFieldLabel;
+class TextFieldStateMachine;
+
+class TextField : public QLineEdit
+{
+	Q_OBJECT
+
+	Q_PROPERTY(QColor textColor WRITE setTextColor READ textColor)
+	Q_PROPERTY(QColor inkColor WRITE setInkColor READ inkColor)
+	Q_PROPERTY(QColor underlineColor WRITE setUnderlineColor READ underlineColor)
+
+public:
+	explicit TextField(QWidget *parent = 0);
+	~TextField();
+
+	void setInkColor(const QColor &color);
+	void setBackgroundColor(const QColor &color);
+	void setLabel(const QString &label);
+	void setLabelColor(const QColor &color);
+	void setLabelFontSize(qreal size);
+	void setShowLabel(bool value);
+	void setTextColor(const QColor &color);
+	void setUnderlineColor(const QColor &color);
+
+	QColor inkColor() const;
+	QColor labelColor() const;
+	QColor textColor() const;
+	QColor underlineColor() const;
+	QColor backgroundColor() const;
+	QString label() const;
+	bool hasLabel() const;
+	qreal labelFontSize() const;
+
+protected:
+	bool event(QEvent *event) override;
+	void paintEvent(QPaintEvent *event) override;
+
+private:
+	void init();
+
+	QColor ink_color_;
+	QColor background_color_;
+	QColor label_color_;
+	QColor text_color_;
+	QColor underline_color_;
+	QString label_text_;
+	TextFieldLabel *label_;
+	TextFieldStateMachine *state_machine_;
+	bool show_label_;
+	qreal label_font_size_;
+};
+
+class TextFieldLabel : public QWidget
+{
+	Q_OBJECT
+
+	Q_PROPERTY(qreal scale WRITE setScale READ scale)
+	Q_PROPERTY(QPointF offset WRITE setOffset READ offset)
+	Q_PROPERTY(QColor color WRITE setColor READ color)
+
+public:
+	TextFieldLabel(TextField *parent);
+	~TextFieldLabel();
+
+	inline void setColor(const QColor &color);
+	inline void setOffset(const QPointF &pos);
+	inline void setScale(qreal scale);
+
+	inline QColor color() const;
+	inline QPointF offset() const;
+	inline qreal scale() const;
+
+protected:
+	void paintEvent(QPaintEvent *event) override;
+
+private:
+	TextField *const text_field_;
+
+	QColor color_;
+	qreal scale_;
+	qreal x_;
+	qreal y_;
+};
+
+inline void TextFieldLabel::setColor(const QColor &color)
+{
+	color_ = color;
+	update();
+}
+
+inline void TextFieldLabel::setOffset(const QPointF &pos)
+{
+	x_ = pos.x();
+	y_ = pos.y();
+	update();
+}
+
+inline void TextFieldLabel::setScale(qreal scale)
+{
+	scale_ = scale;
+	update();
+}
+
+inline QPointF TextFieldLabel::offset() const
+{
+	return QPointF(x_, y_);
+}
+inline qreal TextFieldLabel::scale() const
+{
+	return scale_;
+}
+inline QColor TextFieldLabel::color() const
+{
+	return color_;
+}
+
+class TextFieldStateMachine : public QStateMachine
+{
+	Q_OBJECT
+
+	Q_PROPERTY(qreal progress WRITE setProgress READ progress)
+
+public:
+	TextFieldStateMachine(TextField *parent);
+	~TextFieldStateMachine();
+
+	inline void setProgress(qreal progress);
+	void setLabel(TextFieldLabel *label);
+
+	inline qreal progress() const;
+
+public slots:
+	void setupProperties();
+
+private:
+	QPropertyAnimation *color_anim_;
+	QPropertyAnimation *offset_anim_;
+
+	QState *focused_state_;
+	QState *normal_state_;
+
+	TextField *text_field_;
+	TextFieldLabel *label_;
+
+	qreal progress_;
+};
+
+inline void TextFieldStateMachine::setProgress(qreal progress)
+{
+	progress_ = progress;
+	text_field_->update();
+}
+
+inline qreal TextFieldStateMachine::progress() const
+{
+	return progress_;
+}
+
+#endif  // UI_TEXT_FIELD_H