Make directory browsing optional for PictureViewer

Make directory browsing optional in preparation for new
ArchiveItemEditDialog. There will be a button to view the selected
picture, but it needn't be able to browse the directory of the picture.

2 files changed, 8 insertions, 3 deletions

diff --git a/pictureviewer.cpp b/pictureviewer.cpp
index 74a06c5..a59b62d 100644
--- a/pictureviewer.cpp
+++ b/pictureviewer.cpp
@@ -25,7 +25,7 @@ PictureViewer::PictureViewer(QWidget *parent) : QGraphicsView(parent), mCurrentP
 	setScene(mScene);
 }
 
-void PictureViewer::showPic(const QString &path){
+void PictureViewer::showPic(const QString &path, bool enableDirEntries){
 	QFileInfo fi(path);
 	if(!fi.exists() || fi.isDir()){
 		return;
@@ -44,7 +44,12 @@ void PictureViewer::showPic(const QString &path){
 		mInfoItem = 0;
 	}
 
-	setDir(path);
+	if(enableDirEntries){
+		setDir(path);
+	}else{
+		mDirEntries = QFileInfoList();
+		mCurrentEntry = mDirEntries.constEnd();
+	}
 	if(!isVisible()){
 		show();
 	}
diff --git a/pictureviewer.h b/pictureviewer.h
index 2791bbe..2a8374a 100644
--- a/pictureviewer.h
+++ b/pictureviewer.h
@@ -22,7 +22,7 @@ class PictureViewer : public QGraphicsView {
 		PictureViewer(QWidget *parent = 0);
 
 	public slots:
-		void showPic(const QString &path);
+		void showPic(const QString &path, bool enableDirEntries = true);
 		void next();
 		void previous();