Gather archive data in a thread

Fetching data sometimes takes a long time, so do it in a QThread and
show a progress dialog. Some kludges included :)

1 files changed, 26 insertions, 3 deletions

diff --git a/archiveview.h b/archiveview.h
index b76e487..a62fd66 100644
--- a/archiveview.h
+++ b/archiveview.h
@@ -8,20 +8,23 @@
 #ifndef ARCHIVEVIEW_H
 #define ARCHIVEVIEW_H
 
-#include <QWidget>
-#include <QSortFilterProxyModel>
+#include <QDialog>
 #include <QRegExp>
+#include <QSortFilterProxyModel>
+#include <QWidget>
 
 #include "archivemodel.h"
 #include "smtreeview.h"
 
-class QSortFilterProxyModel;
 class QComboBox;
+class QLabel;
 class QLineEdit;
+class QSortFilterProxyModel;
 
 class ArchiveTree;
 class ArchiveFiles;
 class ArchiveProxy;
+class ArchiveProgressDialog;
 
 class ArchiveView : public QWidget {
     Q_OBJECT
@@ -29,10 +32,16 @@ class ArchiveView : public QWidget {
         explicit ArchiveView(QWidget *parent = 0);
         int currentSortOrder() const;
         void writeSettings();
+        // this is needed for displaying the progress dialog in the
+        // center of the main window...
+        void setConstructingDone() { mConstructing = false; }
+        QWidget *progressDialog();
 
     private slots:
         void setFilter();
         void clearFilter();
+        void collectorStarted();
+        void collectorFinished();
 
     private:
         QComboBox *mSortOrder;
@@ -41,6 +50,8 @@ class ArchiveView : public QWidget {
         ArchiveFiles *mFiles;
         ArchiveModel *mArchiveModel;
         ArchiveProxy *mProxy;
+        ArchiveProgressDialog *mProgress;
+        bool mConstructing;
 };
 
 class ArchiveTree : public SmTreeView {
@@ -52,6 +63,18 @@ class ArchiveTree : public SmTreeView {
         ArchiveModel *mModel;
 };
 
+class ArchiveProgressDialog : public QDialog {
+    Q_OBJECT
+    public:
+        explicit ArchiveProgressDialog(QWidget *parent = 0, Qt::WindowFlags f = Qt::WindowStaysOnTopHint);
+
+    public slots:
+        void setMessage(const QString &msg);
+
+    private:
+        QLabel *mMessage;
+};
+
 class ArchiveFiles : public SmTreeView {
     public:
         explicit ArchiveFiles(QWidget *parent = 0);