feat: 添加ElaWidgetTool库

ElaWidgetTools/ElaPlainTextEdit.h

@@ -0,0 +1,25 @@
+#ifndef ELAPLAINTEXTEDIT_H
+#define ELAPLAINTEXTEDIT_H
+
+#include <QPlainTextEdit>
+
+#include "ElaProperty.h"
+
+class ElaPlainTextEditPrivate;
+class ELA_EXPORT ElaPlainTextEdit : public QPlainTextEdit
+{
+    Q_OBJECT
+    Q_Q_CREATE(ElaPlainTextEdit)
+public:
+    explicit ElaPlainTextEdit(QWidget* parent = nullptr);
+    explicit ElaPlainTextEdit(const QString& text, QWidget* parent = nullptr);
+    ~ElaPlainTextEdit() override;
+
+protected:
+    virtual void focusInEvent(QFocusEvent* event) override;
+    virtual void focusOutEvent(QFocusEvent* event) override;
+    virtual void contextMenuEvent(QContextMenuEvent* event) override;
+    virtual void paintEvent(QPaintEvent* event) override;
+};
+
+#endif // ELAPLAINTEXTEDIT_H