Qt常用的按钮控件编程（五）- QCommandLinkButton 按钮

#include "widget.h" #include <QDialog> #include <QFileDialog> #include <QStringListModel> Widget::Widget(QWidget *parent) : QWidget(parent) { /* 主窗体设置位置和显示的大小 */ this->setGeometry(0, 0, 800, 480); vbox = new QVBoxLayout(); hbox = new QHBoxLayout(); _addFilesBtn = new QCommandLinkButton("添加 PNG 文件", "请选择您需要添加的PNG文件", this); _addFilesBtn->setIcon(QIcon(":/images/17442_add_smiley_icon.png")); _clearFilesBtn = new QCommandLinkButton("清空列表", "单击此按钮以清除文件列表", this); _clearFilesBtn->setIcon(QIcon(":/images/17443_remove_smiley_icon.png")); vbox->addWidget(_addFilesBtn); vbox->addWidget(_clearFilesBtn); _listView =new QListView(); QStringListModel *model = new QStringListModel; QStringList list; model->setStringList(list); _listView->setModel(model); hbox->addLayout(vbox); hbox->addWidget(_listView); this->setLayout(hbox); connect(_addFilesBtn, SIGNAL(clicked()), this, SLOT(browseFiles())); connect(_clearFilesBtn, SIGNAL(clicked()), this, SLOT(clearFiles())); } Widget::~Widget() { } void Widget::browseFiles() { QStringList files = QFileDialog::getOpenFileNames( this, "选择要添加到列表中的 PNG 文件", QDir::currentPath() + "/images", "PNG 文件 (*.png)" ); _files.append(files); QStringListModel* model = qobject_cast<QStringListModel*>(_listView->model()); model->setStringList(_files); } void Widget::clearFiles() { _files.clear(); QStringListModel* model = qobject_cast<QStringListModel*>(_listView->model()); model->setStringList(_files); }