Fix some severe braindamage

It started as a buxfix session, but the more I dug into some ancient
code, the more I had to change.
Well, first and foremost, this fixes a crash in PicturesWidget. Trying
to display the mappings of the selected picture in a different color
never was a good idea. Show them in the statusbar instead.
While looking at the statusBar code, make PictureWidget emit signals to
show the total size and number of selected items. Then I noticed some
really, really braindamaged connection madness in the Shemov
constructor. Instead of doing all the work in SheMov itself, have the
widgets emit signals.
This should have been several commits, but one lead to another...

1 files changed, 23 insertions, 36 deletions

diff --git a/filestreewidget.cpp b/filestreewidget.cpp
index 1a17be5..6222d99 100644
--- a/filestreewidget.cpp
+++ b/filestreewidget.cpp
@@ -54,8 +54,7 @@ FilesTreeWidget::FilesTreeWidget(QWidget *parent) : QWidget(parent), mSelectedSi
 	mView->setModel(mProxy);
 	mView->setSortingEnabled(true);
 	QItemSelectionModel *selModel = mView->selectionModel();
-	connect(selModel, SIGNAL(currentChanged(QModelIndex,QModelIndex)), this, SLOT(fileSelectionChanged(QModelIndex,QModelIndex)));
-	connect(selModel, SIGNAL(selectionChanged(QItemSelection,QItemSelection)), this, SLOT(fileSelectionChanged(QItemSelection,QItemSelection)));
+    connect(selModel, SIGNAL(selectionChanged(QItemSelection,QItemSelection)), this, SLOT(fileSelectionChanged()));
 	connect(mView, SIGNAL(doubleClicked(QModelIndex)), this, SLOT(itemDoubleClicked(QModelIndex)));
 
 	//layout
@@ -70,7 +69,7 @@ FilesTreeWidget::FilesTreeWidget(QWidget *parent) : QWidget(parent), mSelectedSi
 
 void FilesTreeWidget::resetSize(){
 	mSelectedSize = 0;
-	emit sizeChanged(mSelectedSize);
+    emit selectedSize(mSelectedSize);
 }
 
 void FilesTreeWidget::moveToBurn(){
@@ -287,23 +286,27 @@ void FilesTreeWidget::suggest(){
 	mView->scrollTo(last, QAbstractItemView::PositionAtCenter);
 }
 
-void FilesTreeWidget::fileSelectionChanged(const QModelIndex &current, const QModelIndex &previous){
-	Q_UNUSED(previous);
-	int seriesPartId = current.data(FilesTreeModel::SeriesPartIdRole).toInt();
-	int seriesId = mSeriesModel->seriesIdByPartId(seriesPartId);
-	int filePart = current.data(FilesTreeModel::PartNoRole).toInt();
-	QModelIndex seriesIdx = mSeriesModel->findValue(seriesId, QModelIndex(), SeriesTreeModel::SeriesId);
-	if(seriesIdx.isValid()){
-		QModelIndex seriesPartIdx = mSeriesModel->findValue(seriesPartId, seriesIdx, SeriesTreeModel::SeriesPartId);
-		QString seriesNumber = QString::number(seriesPartIdx.data(SeriesTreeModel::SeriesPartRole).toInt());
-		QString msg;
-		if(filePart > 0){
-			msg = QString(tr("%1 %2 (%3)")).arg(seriesIdx.data(SeriesTreeModel::NameRole).toString()).arg(seriesNumber).arg(filePart);
-		}else{
-			msg = QString(tr("%1 %2")).arg(seriesIdx.data(SeriesTreeModel::NameRole).toString()).arg(seriesNumber);
-		}
-		emit statusMessage(msg);
-	}
+void FilesTreeWidget::fileSelectionChanged(){
+    QModelIndexList selected = mView->selectionModel()->selectedRows();
+    qint64 selSize = 0;
+    QStringList selectedSeries;
+    foreach(QModelIndex idx, selected){
+        selSize += idx.data(FilesTreeModel::SizeRole).toLongLong();
+        int seriesPartId = idx.data(FilesTreeModel::SeriesPartIdRole).toInt();
+        int seriesId = mSeriesModel->seriesIdByPartId(seriesPartId);
+        QModelIndex seriesIdx = mSeriesModel->findValue(seriesId, QModelIndex(), SeriesTreeModel::SeriesId);
+        if(seriesIdx.isValid()){
+            QModelIndex seriesPartIdx = mSeriesModel->findValue(seriesPartId, seriesIdx, SeriesTreeModel::SeriesPartId);
+            QString seriesNumber = QString::number(seriesPartIdx.data(SeriesTreeModel::SeriesPartRole).toInt());
+            QString seriesString = QString("%1 %2").arg(seriesIdx.data(SeriesTreeModel::NameRole).toString()).arg(seriesNumber);
+            if(!selectedSeries.contains(seriesString)){
+                selectedSeries << seriesString;
+            }
+        }
+    }
+    emit selectedSize(selSize);
+    emit numSelected(selected.size());
+    emit statusMessage(QString(tr("Series: %1")).arg(selectedSeries.join(",")));
 }
 
 void FilesTreeWidget::itemDoubleClicked(const QModelIndex &index){
@@ -334,22 +337,6 @@ void FilesTreeWidget::itemDoubleClicked(const QModelIndex &index){
 	}
 }
 
-void FilesTreeWidget::fileSelectionChanged(const QItemSelection &selected, const QItemSelection &deselected){
-	QModelIndexList sel = selected.indexes();
-	QModelIndexList desel = deselected.indexes();
-	foreach(QModelIndex i, sel){
-		if(i.column() == 0){
-			mSelectedSize += i.data(FilesTreeModel::SizeRole).toLongLong();
-		}
-	}
-	foreach(QModelIndex i, desel){
-		if(i.column() == 0){
-			mSelectedSize -= i.data(FilesTreeModel::SizeRole).toLongLong();
-		}
-	}
-	emit sizeChanged(mSelectedSize);
-}
-
 FilesTreeView::FilesTreeView(QWidget *parent) : QTreeView(parent), mHoverWin(new HoverWindow), mHoverPics(false){
 	setAttribute(Qt::WA_Hover);
 }