promote ui

sessionfriendarea.h

@@ -10,7 +10,10 @@
 #include <QLabel>
 #include <QIcon>
 #include <QString>
-#include <iostream>
+// #include <iostream>
+#include <QStyleOption>
+#include <QPainter>
+#include <QEnterEvent>
 
 
 ////////////////////////////////////////
@@ -50,6 +53,14 @@ class SessionFriendItem : public QWidget {
 public:
     SessionFriendItem(QWidget* owner, const QIcon& avatar, const QString& name, const QString& text);
 
+    //通过显式绘制控件的基础样式，解决了自定义控件因未正确处理Qt样式表机制导致的QSS不生效问题
+    void paintEvent(QPaintEvent* event) override;
+    void mousePressEvent(QMouseEvent* event) override;
+    void enterEvent(QEvent* event) override;
+    void leaveEvent(QEvent* event) override;
+
+    void select();
+
 private:
     //owner 就是指向了 SessionFriendArea
     QWidget* owner;