make TextField inherit QLineEdit

components/textfield.cpp

@@ -1,10 +1,12 @@
 #include <QWidget>
 #include <QPainter>
 #include "textfield.h"
+#include "style.h"
 
 TextField::TextField(QWidget *parent)
-    : QWidget(parent)
+    : QLineEdit(parent)
 {
+    setStyle(&Style::instance());
 }
 
 TextField::~TextField()
@@ -13,19 +15,18 @@ TextField::~TextField()
 
 void TextField::mousePressEvent(QMouseEvent *event)
 {
-    QWidget::mousePressEvent(event);
+    QLineEdit::mousePressEvent(event);
 }
 
 void TextField::mouseReleaseEvent(QMouseEvent *event)
 {
-    QWidget::mouseReleaseEvent(event);
+    QLineEdit::mouseReleaseEvent(event);
 }
 
 void TextField::paintEvent(QPaintEvent *event)
 {
+    QLineEdit::paintEvent(event);
+
     QPainter painter(this);
-
-    painter.drawRect(40, 0, 50, 50);
-
-    QWidget::paintEvent(event);
+    painter.drawRect(0, 0, 50, 50);
 }

components/textfield.h

@@ -1,9 +1,9 @@
 #ifndef TEXTFIELD_H
 #define TEXTFIELD_H
 
-#include <QWidget>
+#include <QLineEdit>
 
-class TextField : public QWidget
+class TextField : public QLineEdit
 {
     Q_OBJECT
 

examples/textfieldexamples.cpp

@@ -1,5 +1,6 @@
 #include <QLayout>
 #include <QEvent>
+#include <QLineEdit>
 #include "textfieldexamples.h"
 #include "components/textfield.h"
 #include "exampleview.h"
@@ -22,6 +23,20 @@ TextFieldExamples::TextFieldExamples(QWidget *parent)
         );
         frame->setWidget(view);
 
+        layout->addWidget(frame);
+    }
+    {
+        QLineEdit *edit = new QLineEdit;
+
+        ExampleView *view = new ExampleView;
+        view->setWidget(edit);
+
+        Frame *frame = new Frame;
+        frame->setCodeSnippet(
+            "hello"
+        );
+        frame->setWidget(view);
+
         layout->addWidget(frame);
     }
 }