Allow many places to load and save the last directory used for that functionality so it can easily be used again.

All frame file I/O uses the same directory load/save location but DBC files store separately as do filter files, graphing definitions, and stored text files from the various reverse engineering windows.

re/filecomparatorwindow.cpp

@@ -367,6 +367,7 @@ void FileComparatorWindow::saveDetails()
 {
     QString filename;
     QFileDialog dialog(this);
+    QSettings settings;
 
     QStringList filters;
     filters.append(QString(tr("Text File (*.txt)")));
@@ -375,10 +376,12 @@ void FileComparatorWindow::saveDetails()
     dialog.setNameFilters(filters);
     dialog.setViewMode(QFileDialog::Detail);
     dialog.setAcceptMode(QFileDialog::AcceptSave);
+    dialog.setDirectory(settings.value("FileComparator/LoadSaveDirectory", dialog.directory().path()).toString());
 
     if (dialog.exec() == QDialog::Accepted)
     {
         filename = dialog.selectedFiles()[0];
+        settings.setValue("FileComparator/LoadSaveDirectory", dialog.directory().path());
         if (!filename.contains('.')) filename += ".txt";
         QFile *outFile = new QFile(filename);
 

re/flowviewwindow.cpp

@@ -297,6 +297,7 @@ void FlowViewWindow::saveFileGraph()
 {
     QString filename;
     QFileDialog dialog(this);
+    QSettings settings;
 
     QStringList filters;
     filters.append(QString(tr("PDF Files (*.pdf)")));
@@ -307,6 +308,7 @@ void FlowViewWindow::saveFileGraph()
     dialog.setNameFilters(filters);
     dialog.setViewMode(QFileDialog::Detail);
     dialog.setAcceptMode(QFileDialog::AcceptSave);
+    dialog.setDirectory(settings.value("FlowView/LoadSaveDirectory", dialog.directory().path()).toString());
 
     if (dialog.exec() == QDialog::Accepted)
     {
@@ -327,6 +329,7 @@ void FlowViewWindow::saveFileGraph()
             if (!filename.contains('.')) filename += ".jpg";
             ui->graphView->saveJpg(filename, 1024, 768);
         }
+        settings.setValue("FlowView/LoadSaveDirectory", dialog.directory().path());
     }
 }
 
@@ -334,6 +337,7 @@ void FlowViewWindow::saveFileFlow()
 {
     QString filename;
     QFileDialog dialog(this);
+    QSettings settings;
 
     QStringList filters;
     filters.append(QString(tr("PNG Files (*.png)")));
@@ -343,6 +347,7 @@ void FlowViewWindow::saveFileFlow()
     dialog.setNameFilters(filters);
     dialog.setViewMode(QFileDialog::Detail);
     dialog.setAcceptMode(QFileDialog::AcceptSave);
+    dialog.setDirectory(settings.value("FlowView/LoadSaveDirectory", dialog.directory().path()).toString());
 
     if (dialog.exec() == QDialog::Accepted)
     {
@@ -358,6 +363,7 @@ void FlowViewWindow::saveFileFlow()
             if (!filename.contains('.')) filename += ".jpg";
             ui->flowView->saveImage(filename, 1024, 768);
         }
+        settings.setValue("FlowView/LoadSaveDirectory", dialog.directory().path());
     }
 }
 

re/frameinfowindow.cpp

@@ -477,6 +477,7 @@ void FrameInfoWindow::saveDetails()
 {
     QString filename;
     QFileDialog dialog(this);
+    QSettings settings;
 
     QStringList filters;
     filters.append(QString(tr("Text File (*.txt)")));
@@ -485,9 +486,11 @@ void FrameInfoWindow::saveDetails()
     dialog.setNameFilters(filters);
     dialog.setViewMode(QFileDialog::Detail);
     dialog.setAcceptMode(QFileDialog::AcceptSave);
+    dialog.setDirectory(settings.value("FrameInfo/LoadSaveDirectory", dialog.directory().path()).toString());
 
     if (dialog.exec() == QDialog::Accepted)
     {
+        settings.setValue("FrameInfo/LoadSaveDirectory", dialog.directory().path());
         filename = dialog.selectedFiles()[0];
         if (!filename.contains('.')) filename += ".txt";
         if (dialog.selectedNameFilter() == filters[0])

re/graphingwindow.cpp

@@ -633,6 +633,7 @@ void GraphingWindow::saveGraphs()
 {
     QString filename;
     QFileDialog dialog(this);
+    QSettings settings;
 
     QStringList filters;
     filters.append(QString(tr("PDF Files (*.pdf)")));
@@ -643,10 +644,12 @@ void GraphingWindow::saveGraphs()
     dialog.setNameFilters(filters);
     dialog.setViewMode(QFileDialog::Detail);
     dialog.setAcceptMode(QFileDialog::AcceptSave);
+    dialog.setDirectory(settings.value("Graphing/LoadSaveDirectory", dialog.directory().path()).toString());
 
     if (dialog.exec() == QDialog::Accepted)
     {
         filename = dialog.selectedFiles()[0];
+        settings.setValue("Graphing/LoadSaveDirectory", dialog.directory().path());
 
         if (dialog.selectedNameFilter() == filters[0])
         {
@@ -670,6 +673,7 @@ void GraphingWindow::saveSpreadsheet()
 {
     QString filename;
     QFileDialog dialog(this);
+    QSettings settings;
 
     QStringList filters;
     filters.append(QString(tr("Spreadsheet (*.csv)")));
@@ -678,10 +682,13 @@ void GraphingWindow::saveSpreadsheet()
     dialog.setNameFilters(filters);
     dialog.setViewMode(QFileDialog::Detail);
     dialog.setAcceptMode(QFileDialog::AcceptSave);
+    dialog.setDirectory(settings.value("Graphing/LoadSaveDirectory", dialog.directory().path()).toString());
 
     if (dialog.exec() == QDialog::Accepted)
     {
         filename = dialog.selectedFiles()[0];
+        settings.setValue("Graphing/LoadSaveDirectory", dialog.directory().path());
+
         if (!filename.contains('.')) filename += ".csv";
 
         QFile *outFile = new QFile(filename);
@@ -789,6 +796,7 @@ void GraphingWindow::saveDefinitions()
 {
     QString filename;
     QFileDialog dialog(this);
+    QSettings settings;
 
     QStringList filters;
     filters.append(QString(tr("Graph definition (*.gdf)")));
@@ -797,10 +805,13 @@ void GraphingWindow::saveDefinitions()
     dialog.setNameFilters(filters);
     dialog.setViewMode(QFileDialog::Detail);
     dialog.setAcceptMode(QFileDialog::AcceptSave);
+    dialog.setDirectory(settings.value("Graphing/LoadSaveDirectory", dialog.directory().path()).toString());
 
     if (dialog.exec() == QDialog::Accepted)
     {
         filename = dialog.selectedFiles()[0];
+        settings.setValue("Graphing/LoadSaveDirectory", dialog.directory().path());
+
         if (!filename.contains('.')) filename += ".gdf";
 
         QFile *outFile = new QFile(filename);
@@ -847,6 +858,7 @@ void GraphingWindow::loadDefinitions()
 {
     QString filename;
     QFileDialog dialog;
+    QSettings settings;
 
     QStringList filters;
     filters.append(QString(tr("Graph definition (*.gdf)")));
@@ -857,10 +869,13 @@ void GraphingWindow::loadDefinitions()
     dialog.setFileMode(QFileDialog::ExistingFile);
     dialog.setNameFilters(filters);
     dialog.setViewMode(QFileDialog::Detail);
+    dialog.setDirectory(settings.value("Graphing/LoadSaveDirectory", dialog.directory().path()).toString());
 
     if (dialog.exec() == QDialog::Accepted)
     {
         filename = dialog.selectedFiles()[0];
+        settings.setValue("Graphing/LoadSaveDirectory", dialog.directory().path());
+
         QFile *inFile = new QFile(filename);
         QByteArray line;
 

re/udsscanwindow.cpp

@@ -145,6 +145,7 @@ void UDSScanWindow::saveResults()
 {
     QString filename;
     QFileDialog dialog(this);
+    QSettings settings;
 
     QStringList filters;
     filters.append(QString(tr("Text File (*.txt)")));
@@ -153,10 +154,13 @@ void UDSScanWindow::saveResults()
     dialog.setNameFilters(filters);
     dialog.setViewMode(QFileDialog::Detail);
     dialog.setAcceptMode(QFileDialog::AcceptSave);
+    dialog.setDirectory(settings.value("UDSScan/LoadSaveDirectory", dialog.directory().path()).toString());
 
     if (dialog.exec() == QDialog::Accepted)
     {
         filename = dialog.selectedFiles()[0];
+        settings.setValue("UDSScan/LoadSaveDirectory", dialog.directory().path());
+
         if (!filename.contains('.')) filename += ".txt";
         if (dialog.selectedNameFilter() == filters[0])
         {