[Qt] Fix save/load supportdirs

src/burner/qt/selectdialog.cpp

@@ -182,7 +182,8 @@ void SelectDialog::doSearch()
 void SelectDialog::updateTitleScreen()
 {
     QString drv = BurnDrvGetTextA(DRV_NAME);
-    QString path = (QString(tr("support/titles/%0.png").arg(drv)));
+    QString path = QString(szAppTitlesPath);
+    path += QString("%0.png").arg(drv);
     if (QFile(path).exists()) {
         QPixmap p(path);
         ui->imgTitleScreen->setPixmap(p);

src/burner/qt/supportdirsdialog.cpp

@@ -65,19 +65,11 @@ bool SupportDirsDialog::load()
 
     settings.beginGroup("support_directories");
 
-    auto readPath = [&](const QString &name, int i) -> void {
+    loadPath(settings, "previews", PATH_PREVIEWS);
-        QString path(settings.value(name).toString());
+    loadPath(settings, "titles", PATH_TITLES);
-        if (!path.isEmpty()) {
+    loadPath(settings, "hiscores", PATH_HISCORES);
-            m_handlers[i].edit->setText(settings.value(path).toString());
+    loadPath(settings, "samples", PATH_SAMPLES);
-            m_handlers[i].editorToString();
+    loadPath(settings, "cheats", PATH_CHEATS);
-        }
-    };
-
-    readPath("previews", PATH_PREVIEWS);
-    readPath("titles", PATH_TITLES);
-    readPath("hiscores", PATH_HISCORES);
-    readPath("samples", PATH_SAMPLES);
-    readPath("cheats", PATH_CHEATS);
 
     settings.endGroup();
     return true;
@@ -100,3 +92,15 @@ bool SupportDirsDialog::save()
     settings.endGroup();
     settings.sync();
 }
+
+void SupportDirsDialog::loadPath(QSettings &settings, QString name, int i)
+{
+    if (i >= PATH_MAX_HANDLERS)
+        return;
+    QString path(settings.value(name).toString());
+
+    if (QFile(path).exists()) {
+        m_handlers[i].edit->setText(path);
+        m_handlers[i].editorToString();
+    }
+}

src/burner/qt/supportdirsdialog.h

@@ -4,6 +4,7 @@
 #include <QDialog>
 #include <QButtonGroup>
 #include <QLineEdit>
+#include <QSettings>
 #include "qutil.h"
 
 namespace Ui {
@@ -25,6 +26,7 @@ public slots:
     bool save();
 
 private:
+    void loadPath(QSettings &settings, QString name, int i);
     Ui::SupportDirsDialog *ui;
     QButtonGroup *m_group;
     enum {