take this somewhere

src/frontend/qt_sdl/EmuSettingsDialog.cpp

@@ -16,16 +16,86 @@
     with melonDS. If not, see http://www.gnu.org/licenses/.
 */
 
+#include <QFileDialog>
+
+#include "types.h"
+#include "Config.h"
+#include "PlatformConfig.h"
+
 #include "EmuSettingsDialog.h"
 #include "ui_EmuSettingsDialog.h"
 
 
+EmuSettingsDialog* EmuSettingsDialog::currentDlg = nullptr;
+
+extern char* EmuDirectory;
+
+
 EmuSettingsDialog::EmuSettingsDialog(QWidget* parent) : QDialog(parent), ui(new Ui::EmuSettingsDialog)
 {
     ui->setupUi(this);
+    setAttribute(Qt::WA_DeleteOnClose);
+
+    ui->txtBIOS9Path->setText(Config::BIOS9Path);
+    ui->txtBIOS7Path->setText(Config::BIOS7Path);
+    ui->txtFirmwarePath->setText(Config::FirmwarePath);
+    ui->chkDirectBoot->setChecked(Config::DirectBoot != 0);
 }
 
 EmuSettingsDialog::~EmuSettingsDialog()
 {
     delete ui;
 }
+
+void EmuSettingsDialog::on_EmuSettingsDialog_accepted()
+{
+    strncpy(Config::BIOS9Path, ui->txtBIOS9Path->text().toStdString().c_str(), 1023); Config::BIOS9Path[1023] = '\0';
+    strncpy(Config::BIOS7Path, ui->txtBIOS7Path->text().toStdString().c_str(), 1023); Config::BIOS7Path[1023] = '\0';
+    strncpy(Config::FirmwarePath, ui->txtFirmwarePath->text().toStdString().c_str(), 1023); Config::FirmwarePath[1023] = '\0';
+    Config::DirectBoot = ui->chkDirectBoot->isChecked() ? 1:0;
+
+    closeDlg();
+}
+
+void EmuSettingsDialog::on_EmuSettingsDialog_rejected()
+{
+    closeDlg();
+}
+
+void EmuSettingsDialog::on_btnBIOS9Browse_clicked()
+{
+    QString file = QFileDialog::getOpenFileName(this,
+                                                "Select DS-mode ARM9 BIOS...",
+                                                EmuDirectory,
+                                                "BIOS files (*.bin *.rom);;Any file (*.*)");
+
+    if (file.isEmpty()) return;
+
+    ui->txtBIOS9Path->setText(file);
+}
+
+void EmuSettingsDialog::on_btnBIOS7Browse_clicked()
+{
+    QString file = QFileDialog::getOpenFileName(this,
+                                                "Select DS-mode ARM7 BIOS...",
+                                                EmuDirectory,
+                                                "BIOS files (*.bin *.rom);;Any file (*.*)");
+
+    if (file.isEmpty()) return;
+
+    ui->txtBIOS7Path->setText(file);
+}
+
+void EmuSettingsDialog::on_btnFirmwareBrowse_clicked()
+{
+    QString file = QFileDialog::getOpenFileName(this,
+                                                "Select DS-mode firmware...",
+                                                EmuDirectory,
+                                                "Firmware files (*.bin *.rom);;Any file (*.*)");
+
+    if (file.isEmpty()) return;
+
+    // TODO: check for shitty hacked firmware here?
+
+    ui->txtFirmwarePath->setText(file);
+}

src/frontend/qt_sdl/EmuSettingsDialog.h

@@ -22,6 +22,7 @@
 #include <QDialog>
 
 namespace Ui { class EmuSettingsDialog; }
+class EmuSettingsDialog;
 
 class EmuSettingsDialog : public QDialog
 {
@@ -31,6 +32,31 @@ public:
     explicit EmuSettingsDialog(QWidget* parent);
     ~EmuSettingsDialog();
 
+    static EmuSettingsDialog* currentDlg;
+    static void openDlg(QWidget* parent)
+    {
+        if (currentDlg)
+        {
+            currentDlg->activateWindow();
+            return;
+        }
+
+        currentDlg = new EmuSettingsDialog(parent);
+        currentDlg->show();
+    }
+    static void closeDlg()
+    {
+        currentDlg = nullptr;
+    }
+
+private slots:
+    void on_EmuSettingsDialog_accepted();
+    void on_EmuSettingsDialog_rejected();
+
+    void on_btnBIOS9Browse_clicked();
+    void on_btnBIOS7Browse_clicked();
+    void on_btnFirmwareBrowse_clicked();
+
 private:
     Ui::EmuSettingsDialog* ui;
 };

src/frontend/qt_sdl/main.cpp

@@ -820,9 +820,7 @@ void MainWindow::onEmuUnpause()
 
 void MainWindow::onOpenEmuSettings()
 {
-    // TODO keep track of this pointer!!
-    EmuSettingsDialog* dlg = new EmuSettingsDialog(this);
-    dlg->show();
+    EmuSettingsDialog::openDlg(this);
 }