MyChat_Client/ChatClient/include/choosefrienddialog.h

#pragma once

#include <QDialog>
#include <QWidget>
#include <QHBoxLayout>
#include <QScrollArea>
#include <QScrollBar>
#include <QPushButton>
#include <QPainter>
#include <QCheckBox>
#include <QLabel>

#include "debug.h"

class ChooseFriendDialog;

////////////////////////////////////////////////
/// 选择好友窗口中的一个 元素/好友项
////////////////////////////////////////////////
class ChooseFriendItem : public QWidget {
	Q_OBJECT
public:
	ChooseFriendItem(ChooseFriendDialog* owner, const QString& userId, const QIcon& avatar, const QString& name, bool checked);

	void paintEvent(QPaintEvent* event) override;
	void enterEvent(QEnterEvent* event) override;
	void leaveEvent(QEvent* event) override;

	QString& getUserId() {
		return userId;
	}

	QCheckBox* getCheckBox() {
		return checkBox;
	}

private:
	bool isHover = false;

	QCheckBox* checkBox;
	QPushButton* avatarBtn;
	QLabel* nameLabel;
	ChooseFriendDialog* owner; //记录了哪个QWidget持有这个Item，此处应该是ChooseFriendDialog

	QString userId; //记录成员id用于删除唯一指定的成员Item
};

class ChooseFriendDialog  : public QDialog
{
	Q_OBJECT

public:
	ChooseFriendDialog(QWidget *parent, const QString& userId);

	void initLeft(QHBoxLayout* layout);
	void initRight(QHBoxLayout* layout);
	void initData();

	void addFriend(const QString& userId, const QIcon& avatar, const QString& name, bool checked);
	void addSelectedFriend(const QString& userId, const QIcon& avatar, const QString& name);
	void deleteSelectedFriend(const QString& userId);

	void clickOkBtn();
	QList<QString> generateMemberList();
private:
	QWidget* totalContainer;
	QWidget* selectedContainer;

	//当前选择窗口是点击哪个用户弹出的
	QString userId;
};