From 5c2961e10966b573de7deabe19d5eacb1a833ec4 Mon Sep 17 00:00:00 2001
From: lordmulder <mulder2@gmx.de>
Date: Mon, 13 Jun 2011 18:59:21 +0200
Subject: [PATCH] Don't display more than 50 table items in the processing
 window. It seems Qt is getting a bit slow on updates when there are a lot of
 items in the table view...

---
 src/Config.h              |  4 ++--
 src/Dialog_Processing.cpp |  1 +
 src/Model_Progress.cpp    | 36 +++++++++++++++++++++++++++++++++++-
 src/Model_Progress.h      |  2 ++
 4 files changed, 40 insertions(+), 3 deletions(-)

diff --git a/src/Config.h b/src/Config.h
index 05e20d5d..6821ee9f 100644
--- a/src/Config.h
+++ b/src/Config.h
@@ -29,8 +29,8 @@
 #define VER_LAMEXP_MINOR_HI					0
 #define VER_LAMEXP_MINOR_LO					2
 #define VER_LAMEXP_TYPE						RC
-#define VER_LAMEXP_PATCH					3
-#define VER_LAMEXP_BUILD					574
+#define VER_LAMEXP_PATCH					4
+#define VER_LAMEXP_BUILD					576
 
 ///////////////////////////////////////////////////////////////////////////////
 // Tools versions
diff --git a/src/Dialog_Processing.cpp b/src/Dialog_Processing.cpp
index 931ff11f..e3ec0da9 100644
--- a/src/Dialog_Processing.cpp
+++ b/src/Dialog_Processing.cpp
@@ -415,6 +415,7 @@ void ProcessingDialog::doneEncoding(void)
 	button_AbortProcess->setEnabled(false);
 	checkBox_shutdownComputer->setEnabled(false);
 
+	m_progressModel->restoreHiddenItems();
 	view_log->scrollToBottom();
 	m_progressIndicator->stop();
 	progressBar->setValue(progressBar->maximum());
diff --git a/src/Model_Progress.cpp b/src/Model_Progress.cpp
index 134f9dec..57da24b2 100644
--- a/src/Model_Progress.cpp
+++ b/src/Model_Progress.cpp
@@ -23,6 +23,8 @@
 
 #include <QUuid>
 
+#define MAX_DISPLAY_ITEMS 50
+
 ProgressModel::ProgressModel(void)
 :
 	m_iconRunning(":/icons/media_play.png"),
@@ -130,11 +132,18 @@ QVariant ProgressModel::headerData(int section, Qt::Orientation orientation, int
 
 void ProgressModel::addJob(const QUuid &jobId, const QString &jobName, const QString &jobInitialStatus, int jobInitialState)
 {
-	if(m_jobList.contains(jobId))
+	if(m_jobList.contains(jobId) || m_jobListHidden.contains(jobId))
 	{
 		return;
 	}
 
+	while(m_jobList.count() >= MAX_DISPLAY_ITEMS)
+	{
+		beginRemoveRows(QModelIndex(), 0, 0);
+		m_jobListHidden.append(m_jobList.takeFirst());
+		endRemoveRows();
+	}
+
 	int newIndex = m_jobList.count();
 	beginInsertRows(QModelIndex(), newIndex, newIndex);
 
@@ -153,6 +162,11 @@ void ProgressModel::updateJob(const QUuid &jobId, const QString &newStatus, int
 
 	if(row < 0)
 	{
+		if(m_jobListHidden.indexOf(jobId) >= 0)
+		{
+			if(!newStatus.isEmpty()) m_jobStatus.insert(jobId, newStatus);
+			if(newState >= 0) m_jobState.insert(jobId, newState);
+		}
 		return;
 	}
 
@@ -200,6 +214,13 @@ void ProgressModel::addSystemMessage(const QString &text, bool isWarning)
 		return;
 	}
 
+	while(m_jobList.count() >= MAX_DISPLAY_ITEMS)
+	{
+		beginRemoveRows(QModelIndex(), 0, 0);
+		m_jobListHidden.append(m_jobList.takeFirst());
+		endRemoveRows();
+	}
+
 	int newIndex = m_jobList.count();
 	beginInsertRows(QModelIndex(), newIndex, newIndex);
 
@@ -211,3 +232,16 @@ void ProgressModel::addSystemMessage(const QString &text, bool isWarning)
 	
 	endInsertRows();
 }
+
+void ProgressModel::restoreHiddenItems(void)
+{
+	if(!m_jobListHidden.isEmpty())
+	{
+		beginResetModel();
+		while(!m_jobListHidden.isEmpty())
+		{
+			m_jobList.prepend(m_jobListHidden.takeLast());
+		}
+		endResetModel();
+	}
+}
diff --git a/src/Model_Progress.h b/src/Model_Progress.h
index 451abca2..6dafead6 100644
--- a/src/Model_Progress.h
+++ b/src/Model_Progress.h
@@ -57,6 +57,7 @@ public:
 	//Public functions
 	const QStringList &getLogFile(const QModelIndex &index);
 	const QUuid &getJobId(const QModelIndex &index);
+	void restoreHiddenItems(void);
 
 public slots:
 	void addJob(const QUuid &jobId, const QString &jobName, const QString &jobInitialStatus = QString("Initializing..."), int jobInitialState = JobRunning);
@@ -66,6 +67,7 @@ public slots:
 
 private:
 	QList<QUuid> m_jobList;
+	QList<QUuid> m_jobListHidden;
 	QMap<QUuid, QString> m_jobName;
 	QMap<QUuid, QString> m_jobStatus;
 	QMap<QUuid, int> m_jobState;