msg.cpp

本文件是＜精通QT4编程＞的配套源代码

#include "Msg.h"

Msg::Msg()
{
	QFont font;
	font.setPointSize(24);
	setFont(font);
	QStringList args = qApp->arguments();
	QString path;
	if (args.count() > 1)
		path = args[1];
	else
		path = QDir::currentPath();
	label = new QLabel();
	label->setText(tr("监视的目录：") + path);
	QVBoxLayout *layout = new QVBoxLayout;
	layout->addWidget(label);
	setLayout(layout);

	fsWatcher.addPath(path);
	connect(&fsWatcher, SIGNAL(directoryChanged(QString)), this, SLOT(directoryChanged(QString)));
	connect(&fsWatcher, SIGNAL(fileChanged(QString)), this, SLOT(fileChanged(QString)));
}

void Msg::directoryChanged(QString path)
{
	QMessageBox::information(NULL, tr("目录有变化"), path);
}

void Msg::fileChanged(QString path)
{
	QMessageBox::information(NULL, tr("文件有变化"), path);
}