基于Qt的类似QQ好友列表抽屉效果的实现

#include "IMToolBox.h" #include <QLabel> #include <QVBoxLayout> #include <QMouseEvent> #include <QMenu> #include <QDebug> IMToolItem::IMToolItem(const QString &title, QWidget *parent) : QWidget(parent), m_layout(new QVBoxLayout) { m_isVisable = false; m_layout = new QVBoxLayout; m_label = new QLabel(title); // label->setStyleSheet("background-color: #1f2021;"); m_layout->addWidget(m_label); m_layout->setContentsMargins(0,0,0,0); m_layout->setSpacing(0); setLayout(m_layout); creatMenu(); } // 添加 void IMToolItem::addItem(QWidget *item) { m_itemList.append(item); m_layout->addWidget(item); if (0 == m_itemList.size()) item->setVisible(false); else { item->setVisible(m_isVisable);//m_itemList[0]->isVisible()); } } //删除 void IMToolItem::removeItem(QWidget *item) { m_layout->removeWidget(item); m_itemList.removeAt(m_itemList.indexOf(item)); } // 设置标题 void IMToolItem::setTile(const QString & title) { m_label->setText(title); } // 获取成员数量 int IMToolItem::getSize() { return m_itemList.size(); } // 鼠标点击事件 void IMToolItem:: mousePressEvent(QMouseEvent *event) { if (event->button() == Qt::LeftButton) { for (int i=0; i<m_itemList.size(); ++i) { m_itemList[i]->setVisible(!m_itemList[i]->isVisible()); } if (m_itemList.size() > 0) m_isVisable = m_itemList[0]->isVisible(); return; } else if (event->button() == Qt::RightButton) { onClickRightButton(); return; } QWidget::mousePressEvent(event); } // mark private slots:-------------------------------------------------- /************************************************* Function Name： renameBox() Description: 重命名 *************************************************/ void IMToolItem::renameBox() { qDebug() << "chose rename"; emit renameBoxSignal(m_label->text()); } /************************************************* Function Name： removeBox() Description: 删除整个 *************************************************/ void IMToolItem::removeBox() { qDebug() << "chose remove"; emit removeBoxSignal(m_label->text()); } /************************************************* Function Name： onClickRightButton() Description: 右键点击按键 *************************************************/ void IMToolItem::onClickRightButton() { if (m_menu == NULL) { //创建右键菜单 creatMenu(); } m_menu->exec(QCursor::pos()); } /************************************************* Function Name： creatMenu Description: 创建右键菜单 *************************************************/ void IMToolItem:: creatMenu() { m_menu = new QMenu(this); QAction *rename = new QAction(tr("重命名"), m_menu); QAction *remove = new QAction(tr("删除"), m_menu); connect(rename, SIGNAL(triggered()), this, SLOT(renameBox())); connect(remove, SIGNAL(triggered()), this, SLOT(removeBox())); m_menu->addAction(rename); m_menu->addAction(remove); } IMToolBox::IMToolBox(QWidget *parent) : QWidget(parent), m_layout(new QVBoxLayout) { setLayout(m_layout); m_layout->setContentsMargins(0,0,0,0); m_layout->setSpacing(0); } /************************************************* Function Name： addItem() Description: 添加 *************************************************/ void IMToolBox::addItem(IMToolItem *item) { m_layout->addWidget(item); }