Display duration and num. of selected Files

When selecting files in FileWidget, calculate the total duration and
display it in the status bar.

Also count the selected Files and show them. Update status bar on
changing tabs.

1 files changed, 12 insertions, 3 deletions

diff --git a/filewidget.h b/filewidget.h
index 385eeff..7726230 100644
--- a/filewidget.h
+++ b/filewidget.h
@@ -4,6 +4,7 @@
 #include <QWidget>
 #include <QSqlDatabase>
 #include <QSqlQuery>
+#include <QItemSelection>
 
 class QLineEdit;
 class QPushButton;
@@ -16,12 +17,20 @@ class FileWidget : public QWidget {
     Q_OBJECT
     public:
         enum FileAttrs { NotPresent = 0, Present = 1, NoVideo = 2, ParentDir = 3, Directory = 4 };
-        enum CustomRoles { AttrsRole = Qt::UserRole + 1, FullPathRole = Qt::UserRole + 2, MD5SumRole = Qt::UserRole + 3 };
-        enum { ColumnCount = 4 };
-        enum Columns { IconColumn = 0, NameColumn = 1, MimeColumn = 2, Md5Column = 3 };
+        enum CustomRoles { AttrsRole = Qt::UserRole + 1, FullPathRole = Qt::UserRole + 2, DurationRole = Qt::UserRole + 3, MD5SumRole = Qt::UserRole + 4, SecondsRole = Qt::UserRole + 5 };
+        enum { ColumnCount = 5 };
+        enum Columns { IconColumn = 0, NameColumn = 1, MimeColumn = 2, DurationColumn = 3, Md5Column = 4 };
         explicit FileWidget(QWidget *parent = 0);
         ~FileWidget();
 
+    signals:
+        void statusMessage(const QString &msg);
+        void selectionCountChanged(const QString &msg);
+        void durationChanged(const QString &duration);
+
+    public slots:
+        void fileSelectionChanged(const QItemSelection &selected, const QItemSelection &deselected);
+
     private slots:
         void gatherData();
         void selectDir();