add addFriendDialog and promote others

2026-02-14 00:51:48 +08:00 · 2025-06-05 12:09:50 +08:00
parent a814d43d45
commit 62460933aa
11 changed files with 519 additions and 36 deletions
--- a/addfrienddialog.cpp
+++ b/addfrienddialog.cpp
@ -0,0 +1,172 @@
+#include "addfrienddialog.h"
+
+
+/////////////////////////////////////////
+//表示一个好友搜索的结果
+/////////////////////////////////////////
+FriendResultItem::FriendResultItem(const UserInfo& userInfo)
+    :userInfo(userInfo)
+{
+    // 1. 设置基本属性
+    this->setFixedHeight(70);
+    this->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
+
+    // 2. 创建布局管理器
+    QGridLayout* layout = new QGridLayout();
+    layout->setVerticalSpacing(0);
+    layout->setHorizontalSpacing(10);
+    layout->setContentsMargins(0, 0, 20, 0);
+    this->setLayout(layout);
+
+    // 3. 创建头像
+    QPushButton* avatarBtn = new QPushButton();
+    avatarBtn->setFixedSize(50, 50);
+    avatarBtn->setIconSize(QSize(50, 50));
+    avatarBtn->setIcon(userInfo.avatar);
+
+    // 4. 创建昵称
+    QLabel* nameLabel = new QLabel();
+    nameLabel->setFixedHeight(35);		// 整个 Item 高度是 70. 昵称和个性签名各自占一半.
+    nameLabel->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
+    nameLabel->setAlignment(Qt::AlignLeft | Qt::AlignVCenter);
+    nameLabel->setStyleSheet("QLabel { font-size: 16px; font-weight: 700;}");
+    nameLabel->setText(userInfo.nickname);
+
+    // 5. 创建个性签名
+    QLabel* descLabel = new QLabel();
+    descLabel->setFixedHeight(35);
+    descLabel->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
+    descLabel->setAlignment(Qt::AlignLeft | Qt::AlignVCenter);
+    descLabel->setStyleSheet("QLabel { font-size: 14px; }");
+    descLabel->setText(userInfo.description);
+
+    // 6. 创建添加好友按钮
+    addBtn = new QPushButton();
+    addBtn->setFixedSize(100, 40);
+    addBtn->setText("添加好友");
+    QString btnStyle = "QPushButton { border: none; background-color: rgb(137, 217, 97); color: rgb(255, 255, 255); border-radius: 10px;} ";
+    btnStyle += "QPushButton:pressed { background-color: rgb(200, 200, 200); }";
+    addBtn->setStyleSheet(btnStyle);
+
+    // 7. 把上述内容, 添加到布局管理器中
+    layout->addWidget(avatarBtn, 0, 0, 2, 1);
+    layout->addWidget(nameLabel, 0, 1);
+    layout->addWidget(descLabel, 1, 1);
+    layout->addWidget(addBtn, 0, 2, 2, 1);
+
+    // 8. 连接信号槽
+    //connect(addBtn, &QPushButton::clicked, this, &FriendResultItem::clickAddBtn);
+
+}
+
+/////////////////////////////////////////
+//整个搜索好友的窗口
+/////////////////////////////////////////
+AddFriendDialog::AddFriendDialog(QWidget *parent)
+	: QDialog(parent)
+{
+    // 1. 设置基本属性
+    this->setFixedSize(500, 500);
+    this->setWindowTitle("添加好友");
+    this->setWindowIcon(QIcon(":/resource/image/logo.png"));
+    this->setStyleSheet("QDialog {background-color: rgb(255, 255, 255); }");
+    this->setAttribute(Qt::WA_DeleteOnClose);	// 不要忘记这个属性!!!
+
+    // 2. 添加布局管理器
+    layout = new QGridLayout();
+    layout->setSpacing(10);
+    layout->setContentsMargins(20, 20, 20, 0);
+    this->setLayout(layout);
+
+    // 3. 创建搜索框
+    searchEdit = new QLineEdit();
+    searchEdit->setFixedHeight(50);
+    searchEdit->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
+    QString style = "QLineEdit { border: none; border-radius: 10px; font-size: 16px; color: rgb(129, 129, 129); background-color: rgb(240, 240, 240); padding-left: 5px;}";
+    searchEdit->setStyleSheet(style);
+    searchEdit->setPlaceholderText("按手机号/用户序号/昵称搜索");
+    layout->addWidget(searchEdit, 0, 0, 1, 8);
+
+    // 4. 创建搜索按钮
+    QPushButton* searchBtn = new QPushButton();
+    searchBtn->setFixedSize(50, 50);
+    searchBtn->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
+    searchBtn->setIconSize(QSize(30, 30));
+    searchBtn->setIcon(QIcon(":/resource/image/search.png"));
+    QString btnStyle = "QPushButton { border: none; background-color: rgb(240, 240, 240); border-radius: 10px; }";
+    btnStyle += "QPushButton:hover { background-color: rgb(220, 220, 220); } QPushButton:pressed { background-color: rgb(200, 200, 200); } ";
+    searchBtn->setStyleSheet(btnStyle);
+    layout->addWidget(searchBtn, 0, 8, 1, 1);
+
+    // 5. 添加滚动区域
+    initResultArea();
+
+    // 构造假的数据, 验证界面效果
+#if TEST_UI
+    QIcon avatar(":/resource/image/defaultAvatar.png");
+    for (int i = 0; i < 20; ++i) {
+        // new 出来这个对象, 再往 addResult 中添加. FriendResultItem 中持有了 UserInfo 的 const 引用. 需要确保引用是有效的引用
+        UserInfo* userInfo = new UserInfo();
+        userInfo->userId = QString::number(1000 + i);
+        userInfo->nickname = "张三" + QString::number(i);
+        userInfo->description = "这是一段个性签名";
+        userInfo->avatar = avatar;
+        this->addResult(*userInfo);
+    }
+#endif
+//
+//    // 6. 连接信号槽
+//    connect(searchBtn, &QPushButton::clicked, this, &AddFriendDialog::clickSearchBtn);
+
+}
+
+void AddFriendDialog::initResultArea()
+{
+    // 1. 创建滚动区域对象
+    QScrollArea* scrollArea = new QScrollArea();
+    scrollArea->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
+    scrollArea->setWidgetResizable(true);
+    scrollArea->horizontalScrollBar()->setStyleSheet("QScrollBar:horizontal {height: 0;} ");
+    scrollArea->verticalScrollBar()->setStyleSheet("QScrollBar:vertical {width: 2px; background-color: rgb(255, 255, 255);}");
+    scrollArea->setStyleSheet("QScrollArea { border: none; }");
+    layout->addWidget(scrollArea, 1, 0, 1, 9);
+
+    // 2. 创建 QWidget
+    resultContainer = new QWidget();
+    resultContainer->setObjectName("resultContainer");
+    resultContainer->setStyleSheet("#resultContainer { background-color: rgb(255, 255, 255); } ");
+    scrollArea->setWidget(resultContainer);
+
+    // 3. 给这个 QWidget 里面添加元素, 需要给它创建垂直的布局管理器
+    QVBoxLayout* vlayout = new QVBoxLayout();
+    vlayout->setSpacing(0);
+    vlayout->setContentsMargins(0, 0, 0, 0);
+    resultContainer->setLayout(vlayout);
+
+}
+
+void AddFriendDialog::addResult(const UserInfo& userInfo)
+{
+    FriendResultItem* item = new FriendResultItem(userInfo);
+    resultContainer->layout()->addWidget(item);
+}
+
+void AddFriendDialog::clear()
+{
+    // 从后向前遍历
+    QVBoxLayout* layout = dynamic_cast<QVBoxLayout*>(resultContainer->layout());
+    for (int i = layout->count() - 1; i >= 0; i--) {
+        QLayoutItem* layoutItem = layout->takeAt(i);
+        if (layoutItem == nullptr || layoutItem->widget() == nullptr) {
+            continue;
+        }
+        //删除这里面所持有的元素
+        delete layoutItem->widget();
+    }
+}
+
+void AddFriendDialog::setSearchKey(const QString& searcheKey)
+{
+    searchEdit->setText(searcheKey);
+}
+