Implemented fileserver example.

examples/fileserver/mainwindow.cpp

@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2015 Nathan Osman
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include <QDir>
+#include <QFileDialog>
+#include <QMessageBox>
+
+#include "mainwindow.h"
+
+MainWindow::MainWindow()
+    : mServer(&mHandler)
+{
+    setupUi(this);
+
+    // Obtain the user's current home directory
+    documentRoot->setText(QDir::homePath());
+}
+
+void MainWindow::onBrowseClicked()
+{
+    QString dir = QFileDialog::getExistingDirectory(this, tr("Browse"), documentRoot->text());
+    if(!dir.isNull()) {
+        documentRoot->setText(dir);
+    }
+}
+
+void MainWindow::onStartServerClicked()
+{
+    mHandler.setDocumentRoot(documentRoot->text());
+
+    if(mServer.listen(QHostAddress::Any, port->value())) {
+        toggleWidgets(true);
+    } else {
+        QMessageBox::critical(this, tr("Error"), tr("Unable to listen on port."));
+    }
+}
+
+void MainWindow::onStopServerClicked()
+{
+    mServer.close();
+    toggleWidgets(false);
+}
+
+void MainWindow::toggleWidgets(bool running)
+{
+    documentRoot->setEnabled(!running);
+    browse->setEnabled(!running);
+    portLabel->setEnabled(!running);
+    port->setEnabled(!running);
+    startServer->setEnabled(!running);
+    stopServer->setEnabled(running);
+}