Added progress bar to migration routine

oscar/main.cpp

@@ -14,6 +14,7 @@
 #include <QFileDialog>
 #include <QFontDatabase>
 #include <QStandardPaths>
+#include <QProgressDialog>
 
 #include "version.h"
 #include "logger.h"
@@ -21,6 +22,9 @@
 #include "SleepLib/profiles.h"
 #include "translation.h"
 
+#include <ctime>
+#include <chrono>
+
 // Gah! I must add the real darn plugin system one day.
 #include "SleepLib/loader_plugins/prs1_loader.h"
 #include "SleepLib/loader_plugins/cms50_loader.h"
@@ -42,8 +46,27 @@ MainWindow *mainwin = nullptr;
 
 int compareVersion(QString version);
 
-bool copyRecursively(QString sourceFolder, QString destFolder)
-    {
+int numFilesCopied = 0;
+
+// Count the number of files in this directory and all subdirectories
+int countRecursively(QString sourceFolder) {
+    QDir sourceDir(sourceFolder);
+
+    if(!sourceDir.exists())
+        return 0;
+
+    int numFiles = sourceDir.count();
+
+    QStringList dirs = sourceDir.entryList(QDir::AllDirs | QDir::NoDotAndDotDot);
+    for(int i = 0; i< dirs.count(); i++) {
+        QString srcName = sourceFolder + QDir::separator() + dirs[i];
+        numFiles += countRecursively(srcName);
+    }
+
+    return numFiles;
+}
+
+bool copyRecursively(QString sourceFolder, QString destFolder, QProgressDialog& progress) {
     bool success = false;
     QDir sourceDir(sourceFolder);
 
@@ -59,18 +82,22 @@ bool copyRecursively(QString sourceFolder, QString destFolder)
         QString srcName = sourceFolder + QDir::separator() + files[i];
         QString destName = destFolder + QDir::separator() + files[i];
         success = QFile::copy(srcName, destName);
+        numFilesCopied++;
+        if ((numFilesCopied % 20) == 1) { // Update progress bar every 20 files
+            progress.setValue(numFilesCopied);
+            QCoreApplication::processEvents();
+        }
         if(!success)
             return false;
     }
 
     files.clear();
     files = sourceDir.entryList(QDir::AllDirs | QDir::NoDotAndDotDot);
-        for(int i = 0; i< files.count(); i++)
-        {
+    for(int i = 0; i< files.count(); i++) {
         QString srcName = sourceFolder + QDir::separator() + files[i];
         QString destName = destFolder + QDir::separator() + files[i];
 //      qDebug() << "Copy from "+srcName+" to "+destName;
-            success = copyRecursively(srcName, destName);
+        success = copyRecursively(srcName, destName, progress);
         if(!success)
             return false;
     }
@@ -140,6 +167,8 @@ bool migrateFromSH(QString destDir) {
     QString datadir;
     bool selectingFolder = true;
     bool success = false;
+//  long int startTime, countDone, allDone;
+
     if (destDir.isEmpty()) {
         qDebug() << "Migration path is empty string";
         return success;
@@ -173,7 +202,19 @@ bool migrateFromSH(QString destDir) {
         }
     }
 
-    success = copyRecursively(datadir, destDir);
+    auto startTime = std::chrono::steady_clock::now();
+    int numFiles = countRecursively(datadir);       // count number of files to be copied
+    auto countDone = std::chrono::steady_clock::now();
+    qDebug() << "Number of files to migrate: " << numFiles;
+
+    QProgressDialog progress (QObject::tr("Migrating ") + QString::number(numFiles) + QObject::tr(" files")+"\n"+
+    						  QObject::tr("from ") + QDir(datadir).dirName() + "\n"+QObject::tr("to ") + 
+    						  QDir(destDir).dirName(), QString(), 0, numFiles, 0, Qt::WindowSystemMenuHint | Qt::WindowTitleHint);
+    progress.setValue(0);
+    progress.setMinimumWidth(300);
+    progress.show();
+
+    success = copyRecursively(datadir, destDir, progress);
     if (success) {
         qDebug() << "Finished copying " + datadir;
     }
@@ -186,11 +227,17 @@ bool migrateFromSH(QString destDir) {
         success = process_a_Profile( destDir+"/Profiles/"+names[i] );
     }
 
+    progress.setValue(numFiles);
+    auto allDone = std::chrono::steady_clock::now();
+    auto elapsedCount = std::chrono::duration_cast<std::chrono::microseconds>(countDone - startTime);
+    auto elapsedCopy  = std::chrono::duration_cast<std::chrono::microseconds>(allDone - countDone);
+    qDebug() << "Counting files took " << elapsedCount.count() << " microsecs";
+    qDebug() << "Migrating files took " << elapsedCopy.count() << " microsecs";
+
     return success;
 }
 
-int main(int argc, char *argv[])
-{
+int main(int argc, char *argv[]) {
 #ifdef Q_WS_X11
     XInitThreads();
 #endif
@@ -513,7 +560,9 @@ int main(int argc, char *argv[])
     Q_UNUSED(dont_load_profile)
 
 #ifndef NO_UPDATER
-    if (check_updates) { mainwin->CheckForUpdates(); }
+    if (check_updates) {
+        mainwin->CheckForUpdates();
+    }
 #endif
 
     mainwin->SetupGUI();

oscar/mainwindow.cpp

@@ -75,7 +75,11 @@ MainWindow::MainWindow(QWidget *parent) :
         connect(logger, SIGNAL(outputLog(QString)), this, SLOT(logMessage(QString)));
     }
 
-    // Initialise oscr app registry stuff
+    // Bring window to top (useful when language is changed) - GTS 3/31/2019
+    this->activateWindow();
+    this->raise();
+
+    // Initialise oscar app registry stuff
     QSettings settings;
 
     // Load previous Window geometry