From a84954b14912b0bbf23ee78ace1a652974ab007f Mon Sep 17 00:00:00 2001
From: Manuel Schneider
Date: Tue, 3 Jun 2014 16:04:58 +0200
Subject: Lock the buttons until the new vnc server sent a reply about its
 state. If this fails, unlock the buttons after a timeout of 2 seconds

---
 src/server/mainwindow/mainwindow.cpp | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

(limited to 'src/server/mainwindow/mainwindow.cpp')

diff --git a/src/server/mainwindow/mainwindow.cpp b/src/server/mainwindow/mainwindow.cpp
index 489800f..28177d6 100644
--- a/src/server/mainwindow/mainwindow.cpp
+++ b/src/server/mainwindow/mainwindow.cpp
@@ -103,9 +103,12 @@ MainWindow::MainWindow(QString ipListUrl, QWidget* parent) :
 
 
 	/* Stuff for the button lock */
+	//Setup a timeout
 	_buttonLockTimer = new QTimer(this);
 	_buttonLockTimer->setSingleShot(true);
 	_buttonLockTimer->setInterval(_buttonBlockTime);
+	connect(_buttonLockTimer, SIGNAL(timeout()), this, SLOT(EnableButtons()));
+	// Define the locking buttons
 	_lockingButtons
 		<< ui->action_Lock
 		<< ui->action_BroadcastScreen
@@ -114,15 +117,6 @@ MainWindow::MainWindow(QString ipListUrl, QWidget* parent) :
 		<< ui->action_TutorToStudent
 		<< ui->action_StopProjection
 		<< ui->action_SetAsTutor;
-	// Disable the buttons if a button is clicked
-	foreach (QAction* a, _lockingButtons)
-		connect(a, SIGNAL(triggered()), this, SLOT(DisableButtons()));
-	// Start the timer a button is clicked
-	foreach (QAction* a, _lockingButtons)
-		connect(a, SIGNAL(triggered()), _buttonLockTimer, SLOT(start()));
-	// Enable the buttons if the timer fires
-	connect(_buttonLockTimer, SIGNAL(timeout()), this, SLOT(EnableButtons()));
-
 
 	// Clicking the session name label shows the edit field for it
 	connect(_sessionNameLabel, SIGNAL(clicked()), this, SLOT(onSessionNameClick()));
@@ -474,6 +468,8 @@ void MainWindow::onSessionNameUpdate()
  */
 void MainWindow::changeProjection(Client *from, Mode mode, Client *to)
 {
+	DisableButtons();
+
 	if (mode == Mode::Broadcast)
 	{
 		// Set all clients as watchers
@@ -853,6 +849,9 @@ void MainWindow::onClientAuthenticated(Client* client)
  */
 void MainWindow::onVncServerStateChange(Client* client)
 {
+	if (client == _streamingSource)
+		EnableButtons();
+
 	if (client->isActiveVncServer())
 	{
 		if (_mode == Mode::Broadcast)
@@ -931,6 +930,7 @@ void MainWindow::onVncClientStateChange(Client* client)
  */
 void MainWindow::DisableButtons()
 {
+	_buttonLockTimer->start();
 	foreach (QAction* a, _lockingButtons)
 		a->setDisabled(true);
 }
@@ -940,6 +940,7 @@ void MainWindow::DisableButtons()
  */
 void MainWindow::EnableButtons()
 {
+	_buttonLockTimer->stop();
 	foreach (QAction* a, _lockingButtons)
 		a->setEnabled(true);
 }
-- 
cgit v1.2.3-55-g7522