From de708185c77aa451682fa96fbca4dcc6c8091c44 Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Mon, 8 Feb 2016 16:48:29 +0100
Subject: [*] Use thumbnail on vnc viewer window until connection is up

---
 src/client/vnc/vncwindow.cpp | 36 ++++++++++++++++++++++++++++++++----
 1 file changed, 32 insertions(+), 4 deletions(-)

(limited to 'src/client/vnc/vncwindow.cpp')

diff --git a/src/client/vnc/vncwindow.cpp b/src/client/vnc/vncwindow.cpp
index 53877e1..f18fadc 100644
--- a/src/client/vnc/vncwindow.cpp
+++ b/src/client/vnc/vncwindow.cpp
@@ -93,7 +93,7 @@ void VncWindow::draw(const int x, const int y, const int w, const int h)
  * @param caption caption of window (only visible if not running in fullscreen mode)
  * @param clientId the ID of the client we're connecting to (echoed back to server, not used locally)
  */
-void VncWindow::open(const QString& host, int port, const QString& passwd, bool ro, bool fullscreen, const QString& caption, const int clientId)
+void VncWindow::open(const QString& host, int port, const QString& passwd, bool ro, bool fullscreen, const QString& caption, const int clientId, const QByteArray& rawThumb)
 {
 	this->terminateVncThread();
 	_clientId = clientId;
@@ -108,6 +108,8 @@ void VncWindow::open(const QString& host, int port, const QString& passwd, bool
 
 	setAttribute(Qt::WA_OpaquePaintEvent);
 
+	_remoteThumb.loadFromData(rawThumb);
+
 	if (fullscreen)
 	{
 		setWindowFlags(Qt::WindowStaysOnTopHint);
@@ -121,6 +123,7 @@ void VncWindow::open(const QString& host, int port, const QString& passwd, bool
 		showNormal();
 	}
 
+	this->repaint();
 	this->show();
 	_vncWorker->setTargetSize(this->size());
 
@@ -170,6 +173,7 @@ void VncWindow::onUpdateImage(const int x, const int y, const int w, const int h
  */
 void VncWindow::onProjectionStarted()
 {
+	_remoteThumb = QPixmap();
 	if (_tcpTimeoutTimer != 0) {
 		killTimer(_tcpTimeoutTimer);
 		_tcpTimeoutTimer = 0;
@@ -233,8 +237,27 @@ void VncWindow::timerEvent(QTimerEvent *event)
  */
 void VncWindow::paintEvent(QPaintEvent *event)
 {
-	const QRect &r = event->rect();
-	this->draw(r.left(), r.top(), r.width(), r.height());
+	if (_vncWorker == NULL || !_vncWorker->isConnected())
+	{
+		QPainter painter(this);
+		if (!_remoteThumb.isNull() && _remoteThumb.height() > 0)
+		{
+			painter.drawPixmap(0, 0, this->width(), this->height(), _remoteThumb);
+		}
+		else
+		{
+			painter.fillRect(event->rect(), QColor(60, 63, 66));
+		}
+		QFontInfo fi = painter.fontInfo();
+		painter.setPen(QColor(200, 100, 10));
+		painter.setFont(QFont(fi.family(), 28, fi.weight(), fi.italic()));
+		painter.drawText(this->contentsRect(), Qt::AlignCenter, tr("Connecting..."));
+	}
+	else
+	{
+		const QRect &r = event->rect();
+		this->draw(r.left(), r.top(), r.width(), r.height());
+	}
 	event->accept();
 }
 
@@ -245,5 +268,10 @@ void VncWindow::paintEvent(QPaintEvent *event)
  */
 void VncWindow::resizeEvent(QResizeEvent* event)
 {
-	_vncWorker->setTargetSize(event->size());
+	if (_vncWorker != NULL)
+	{
+		_vncWorker->setTargetSize(event->size());
+	}
+	this->repaint();
 }
+
-- 
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