From 093143cfef8959261fc4f66a65d2ecc4cdc2e23c Mon Sep 17 00:00:00 2001
From: Jan Dalheimer <jan@dalheimer.de>
Date: Mon, 6 Jan 2014 10:01:40 +0100
Subject: Fix instances getting deselected after FTB instances are loaded (or
 whenever the model is reset)

---
 gui/MainWindow.cpp | 37 +++++++++++++++++++------------------
 gui/MainWindow.h   |  2 ++
 2 files changed, 21 insertions(+), 18 deletions(-)

diff --git a/gui/MainWindow.cpp b/gui/MainWindow.cpp
index 968fecb7..905d14cf 100644
--- a/gui/MainWindow.cpp
+++ b/gui/MainWindow.cpp
@@ -289,24 +289,7 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWi
 				this, &MainWindow::notificationsChanged);
 	}
 
-	const QString currentInstanceId = MMC->settings()->get("SelectedInstance").toString();
-	if (!currentInstanceId.isNull())
-	{
-		const QModelIndex index = MMC->instances()->getInstanceIndexById(currentInstanceId);
-		if (index.isValid())
-		{
-			const QModelIndex mappedIndex = proxymodel->mapFromSource(index);
-			view->setCurrentIndex(mappedIndex);
-		}
-		else
-		{
-			view->setCurrentIndex(proxymodel->index(0, 0));
-		}
-	}
-	else
-	{
-		view->setCurrentIndex(proxymodel->index(0, 0));
-	}
+	setSelectedInstanceById(MMC->settings()->get("SelectedInstance").toString());
 
 	// removing this looks stupid
 	view->setFocus();
@@ -788,6 +771,20 @@ void MainWindow::updateInstanceToolIcon(QString new_icon)
 	ui->actionChangeInstIcon->setIcon(MMC->icons()->getIcon(m_currentInstIcon));
 }
 
+void MainWindow::setSelectedInstanceById(const QString &id)
+{
+	QModelIndex selectionIndex = proxymodel->index(0, 0);
+	if (!id.isNull())
+	{
+		const QModelIndex index = MMC->instances()->getInstanceIndexById(id);
+		if (index.isValid())
+		{
+			selectionIndex = proxymodel->mapFromSource(index);
+		}
+	}
+	view->selectionModel()->setCurrentIndex(selectionIndex, QItemSelectionModel::ClearAndSelect);
+}
+
 void MainWindow::on_actionChangeInstGroup_triggered()
 {
 	if (!m_selectedInstance)
@@ -1274,12 +1271,16 @@ void MainWindow::instanceChanged(const QModelIndex &current, const QModelIndex &
 
 void MainWindow::selectionBad()
 {
+	// start by reseting everything...
 	m_selectedInstance = nullptr;
 
 	statusBar()->clearMessage();
 	ui->instanceToolBar->setEnabled(false);
 	renameButton->setText(tr("Rename Instance"));
 	updateInstanceToolIcon("infinity");
+
+	// ...and then see if we can enable the previously selected instance
+	setSelectedInstanceById(MMC->settings()->get("SelectedInstance").toString());
 }
 
 void MainWindow::on_actionEditInstNotes_triggered()
diff --git a/gui/MainWindow.h b/gui/MainWindow.h
index af2f1dca..12d76da4 100644
--- a/gui/MainWindow.h
+++ b/gui/MainWindow.h
@@ -179,6 +179,8 @@ protected:
 	void setCatBackground(bool enabled);
 	void updateInstanceToolIcon(QString new_icon);
 
+	void setSelectedInstanceById(const QString &id);
+
 private:
 	Ui::MainWindow *ui;
 	KCategoryDrawer *drawer;
-- 
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