Give feedback on gathering data

Use the ProgressBar when gathering torrent data from a directory with
many entries.

Sprinkle processEvents() here and there to show the progress.

1 files changed, 28 insertions, 3 deletions

diff --git a/torrentwidget.cpp b/torrentwidget.cpp
index 28a86c1..08c9a86 100644
--- a/torrentwidget.cpp
+++ b/torrentwidget.cpp
@@ -20,6 +20,9 @@
 #include <QToolBar>
 #include <QMenuBar>
 #include <QClipboard>
+#include <QCompleter>
+#include <QDirModel>
+#include <QProgressBar>
 #include <QApplication>
 
 #include "torrentwidget.h"
@@ -30,7 +33,6 @@
 
 TorrentWidget::TorrentWidget(QWidget *parent) : QWidget(parent), mExt("*.torrent") {
     setupGui();
-    gatherData();
 }
 
 TorrentWidget::~TorrentWidget(){
@@ -40,6 +42,11 @@ TorrentWidget::~TorrentWidget(){
 
 void TorrentWidget::setupGui(){
     mDir = new QLineEdit;
+    QCompleter *torDirCompl = new QCompleter(this);
+    torDirCompl->setModel(new QDirModel(torDirCompl));
+    mDir->setCompleter(torDirCompl);
+    connect(mDir, SIGNAL(returnPressed()), this, SLOT(setDir()));
+
     mSelDir = new QPushButton(tr("Browse..."));
     connect(mSelDir, SIGNAL(clicked()), this, SLOT(selectDir()));
 
@@ -149,6 +156,11 @@ void TorrentWidget::gatherData(){
     q.prepare("SELECT COUNT(*) FROM metadata WHERE tsubject = :fn");
     QDir d(mDir->text());
     QFileInfoList fl = d.entryInfoList(QStringList() << mExt, QDir::Files, QDir::Name);
+    mProgressBar->reset();
+    mProgressBar->setMinimum(0);
+    mProgressBar->setMaximum(fl.count() - 1);
+    int count = 0;
+    mFileView->setSortingEnabled(false);
     mModel->clear();
     QStandardItem *root = mModel->invisibleRootItem();
     mModel->setHorizontalHeaderLabels(QStringList() << QChar(0x26A7) << tr("Name") << tr("Created"));
@@ -184,7 +196,10 @@ void TorrentWidget::gatherData(){
             fData[NameColumn]->setForeground(redBrush);
         }
         root->appendRow(fData);
+        mProgressBar->setValue(++count);
     }
+    qApp->processEvents();
+    mFileView->setSortingEnabled(true);
     readHeaderData();
 }
 
@@ -310,8 +325,18 @@ void TorrentWidget::contextMenuEvent(QContextMenuEvent *e){
 }
 
 void TorrentWidget::selectDir(){
-    QString dir = QFileDialog::getExistingDirectory(this, tr("Select directory"), QDir::homePath());
-    mDir->setText(QDir::toNativeSeparators(dir));
+    QSettings s;
+    QString sDir = s.value("dirs/torrentdir", QDir::homePath()).toString();
+    QString dir = QFileDialog::getExistingDirectory(this, tr("Select directory"), sDir);
+    if(!dir.isEmpty()){
+        mDir->setText(QDir::toNativeSeparators(dir));
+        setDir();
+    }
+}
+
+void TorrentWidget::setDir(){
+    QSettings s;
+    s.setValue("dirs/torrentdir", mDir->text());
     gatherData();
 }