From e361357e513b8a3ed044dd22c548dae5fefe8ad5 Mon Sep 17 00:00:00 2001
From: Manuel Schneider
Date: Tue, 29 Apr 2014 19:59:11 +0200
Subject: Disable all buttons if one is clicked and enable them after a
 specified time

---
 src/server/mainwindow/mainwindow.cpp | 56 +++++++++++++++++++-----------------
 src/server/mainwindow/mainwindow.h   |  4 ++-
 2 files changed, 33 insertions(+), 27 deletions(-)

(limited to 'src')

diff --git a/src/server/mainwindow/mainwindow.cpp b/src/server/mainwindow/mainwindow.cpp
index 3ed2b57..ba5cdbc 100644
--- a/src/server/mainwindow/mainwindow.cpp
+++ b/src/server/mainwindow/mainwindow.cpp
@@ -461,20 +461,6 @@ bool MainWindow::isValidClient(Client* client)
 	return false;
 }
 
-/**
- * Check if buttons are blocked.
- * @return If buttons are blocked or not.
- */
-bool MainWindow::areButtonsBlocked()
-{
-	bool result;
-	static qint64 buttonsBlockedUntil = 0;
-	qint64 now = QDateTime::currentMSecsSinceEpoch();
-	if (!(result = now < buttonsBlockedUntil))
-		buttonsBlockedUntil = now + _buttonBlockTime;
-	return result;
-}
-
 /**
  * Handle VNC settings for a projection from "from" to "to".
  * Check if projection source is active vnc client.
@@ -571,8 +557,8 @@ void MainWindow::prepareForProjection(Client * const from, Client * const to)
  */
 void MainWindow::onButtonStudentToAll()
 {
-	if (areButtonsBlocked())
-		return;
+	DisableButtons();
+  QTimer::singleShot(_buttonBlockTime, this, SLOT(EnableButtons()));
 
 	Client *from = NULL;
 	for (QList<ConnectionFrame*>::iterator it(_clientFrames.begin()); it != _clientFrames.end(); ++it)
@@ -601,8 +587,8 @@ void MainWindow::onButtonStudentToAll()
  */
 void MainWindow::onButtonStudentToTutor()
 {
-	if (areButtonsBlocked())
-		return;
+	DisableButtons();
+  QTimer::singleShot(_buttonBlockTime, this, SLOT(EnableButtons()));
 
 	Client *from = NULL;
 	Client *to = NULL;
@@ -643,8 +629,8 @@ void MainWindow::onButtonStudentToTutor()
  */
 void MainWindow::onButtonTutorToAll()
 {
-	if (areButtonsBlocked())
-		return;
+	DisableButtons();
+  QTimer::singleShot(_buttonBlockTime, this, SLOT(EnableButtons()));
 
 	//
 	Client *from = NULL;
@@ -674,8 +660,8 @@ void MainWindow::onButtonTutorToAll()
  */
 void MainWindow::onButtonTutorToStudent()
 {
-	if (areButtonsBlocked())
-		return;
+	DisableButtons();
+  QTimer::singleShot(_buttonBlockTime, this, SLOT(EnableButtons()));
 
 	Client *from = NULL;
 	Client *to = NULL;
@@ -715,8 +701,8 @@ void MainWindow::onButtonTutorToStudent()
  */
 void MainWindow::onButtonStopProjection()
 {
-	if (areButtonsBlocked())
-		return;
+	DisableButtons();
+  QTimer::singleShot(_buttonBlockTime, this, SLOT(EnableButtons()));
 
 	for (QList<ConnectionFrame*>::iterator it(_clientFrames.begin()); it != _clientFrames.end(); ++it)
 	{
@@ -748,8 +734,8 @@ void MainWindow::onButtonStopProjection()
  */
 void MainWindow::onButtonLock(bool checked)
 {
-	if (areButtonsBlocked())
-		return;
+	DisableButtons();
+  QTimer::singleShot(_buttonBlockTime, this, SLOT(EnableButtons()));
 
 	NetworkMessage msg;
 	msg.setField(_ID, _LOCK);
@@ -1060,3 +1046,21 @@ void MainWindow::onVncClientStateChange(Client* client, int lastProjectionSource
 	if (!inUse && server != NULL)
 		server->stopVncServer();
 }
+
+void MainWindow::DisableButtons()
+{
+  ui->action_BroadcastScreen->setDisabled(true);
+  ui->action_TutorToAll->setDisabled(true);
+  ui->action_StudentToTutor->setDisabled(true);
+  ui->action_TutorToStudent->setDisabled(true);
+  ui->action_StopProjection->setDisabled(true);
+}
+
+void MainWindow::EnableButtons()
+{
+  ui->action_BroadcastScreen->setEnabled(true);
+  ui->action_TutorToAll->setEnabled(true);
+  ui->action_StudentToTutor->setEnabled(true);
+  ui->action_TutorToStudent->setEnabled(true);
+  ui->action_StopProjection->setEnabled(true);
+}
diff --git a/src/server/mainwindow/mainwindow.h b/src/server/mainwindow/mainwindow.h
index e5179ed..38b0f83 100644
--- a/src/server/mainwindow/mainwindow.h
+++ b/src/server/mainwindow/mainwindow.h
@@ -61,7 +61,6 @@ private:
 	void savePosition(ConnectionFrame *cf);
 	void prepareForProjection(Client * const from, Client * const to);
 	bool isValidClient(Client* client);
-	bool areButtonsBlocked();
 
 public:
 	MainWindow(QString ipListUrl, QWidget *parent = 0);
@@ -98,5 +97,8 @@ protected slots:
 	void onClientAuthenticated(Client* client);
 	void onVncServerStateChange(Client* client);
 	void onVncClientStateChange(Client* client, int lastProjectionSource);
+  //Buttons
+  void DisableButtons();
+  void EnableButtons();
 };
 #endif
-- 
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