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72 lines
2.2 KiB
C++
72 lines
2.2 KiB
C++
#include "messageshowarea.h"
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MessageShowArea::MessageShowArea() {
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//初始化基本属性
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this->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
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this->setWidgetResizable(true);
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//设置滚动条样式
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this->verticalScrollBar()->setStyleSheet("QScrollBar:vertical { width: 2px; background-color: rgb(240, 240, 240); }");
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this->horizontalScrollBar()->setStyleSheet("QScrollBar:horizontal { height: 0; }");
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this->setStyleSheet("QScrollArea { border: none; }");
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//创建container这样的widget，作为包含内部元素的容器
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container = new QWidget();
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this->setWidget(container);
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//给container添加界面布局管理器
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QVBoxLayout* layout = new QVBoxLayout();
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layout->setSpacing(0);
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layout->setContentsMargins(0, 0, 0, 0);
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container->setLayout(layout);
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}
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////////////////////////////////////////////
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/// 表示一个消息元素
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////////////////////////////////////////////
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MessageItem::MessageItem(bool isLeft)
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:isLeft(isLeft)
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{
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}
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MessageItem *MessageItem::makeMessageItem(bool isLeft, const Message &message)
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{
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//创建对象和布局管理器
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MessageItem* messageItem = new MessageItem(isLeft);
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QGridLayout* layout = new QGridLayout();
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layout->setSpacing(0);
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layout->setContentsMargins(0, 0, 0, 0);
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//这个message最低不能低于100
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messageItem->setMinimumHeight(100);
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messageItem->setLayout(layout);
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//创建头像
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QPushButton* avatarBtn = new QPushButton();
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avatarBtn->setFixedSize(40, 40);
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avatarBtn->setIconSize(QSize(40, 40));
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avatarBtn->setIcon(message.sender.avatar);
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if(isLeft) {
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layout->addWidget(avatarBtn, 0, 0, 2, 1, Qt::AlignTop | Qt::AlignLeft);
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} else {
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layout->addWidget(avatarBtn, 0, 1, 2, 1, Qt::AlignTop | Qt::AlignRight);
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}
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//创建名字和时间
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QLabel* nameLabel = new QLabel();
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nameLabel->setText(message.sender.nickname + " | " + message.time);
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nameLabel->setAlignment(Qt::AlignBottom);
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nameLabel->setStyleSheet("QLabel { font-size: 12px; color: rgb(178, 178, 178); }");
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if(isLeft) {
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layout->addWidget(nameLabel, 0, 1);
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} else {
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layout->addWidget(nameLabel, 0, 0, Qt::AlignRight);
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}
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//创建消息体
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return messageItem;
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}
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