here, have more code

src/frontend/qt_sdl/TitleManagerDialog.cpp

@@ -56,6 +56,8 @@ TitleManagerDialog::TitleManagerDialog(QWidget* parent) : QDialog(parent), ui(ne
 
     ui->lstTitleList->sortItems();
 
+    ui->btnImportTitleData->setEnabled(false);
+    ui->btnExportTitleData->setEnabled(false);
     ui->btnDeleteTitle->setEnabled(false);
 }
 
@@ -160,6 +162,9 @@ void TitleManagerDialog::onImportTitleFinished(int res)
     titleid[0] = (importTmdData[0x18C] << 24) | (importTmdData[0x18D] << 16) | (importTmdData[0x18E] << 8) | importTmdData[0x18F];
     titleid[1] = (importTmdData[0x190] << 24) | (importTmdData[0x191] << 16) | (importTmdData[0x192] << 8) | importTmdData[0x193];
 
+    // remove anything that might hinder the install
+    DSi_NAND::DeleteTitle(titleid[0], titleid[1]);
+
     bool importres = DSi_NAND::ImportTitle(importAppPath.toStdString().c_str(), importTmdData, importReadOnly);
     if (!importres)
     {
@@ -178,7 +183,12 @@ void TitleManagerDialog::onImportTitleFinished(int res)
     }
 }
 
-void TitleManagerDialog::on_btnExportTitle_clicked()
+void TitleManagerDialog::on_btnImportTitleData_clicked()
+{
+    //
+}
+
+void TitleManagerDialog::on_btnExportTitleData_clicked()
 {
     //
 }
@@ -205,11 +215,17 @@ void TitleManagerDialog::on_lstTitleList_currentItemChanged(QListWidgetItem* cur
 {
     if (!cur)
     {
+        ui->btnImportTitleData->setEnabled(false);
+        ui->btnExportTitleData->setEnabled(false);
         ui->btnDeleteTitle->setEnabled(false);
     }
     else
     {
+        ui->btnImportTitleData->setEnabled(true);
+        ui->btnExportTitleData->setEnabled(true);
         ui->btnDeleteTitle->setEnabled(true);
+
+        //
     }
 }
 
@@ -297,8 +313,6 @@ void TitleImportDialog::accept()
                                   QMessageBox::StandardButtons(QMessageBox::Yes|QMessageBox::No),
                                   QMessageBox::No) != QMessageBox::Yes)
             return;
-
-        DSi_NAND::DeleteTitle(titleid[1], titleid[0]);
     }
 
     if (!tmdfromfile)
@@ -316,6 +330,12 @@ void TitleImportDialog::accept()
 
         setEnabled(false);
     }
+    else
+    {
+        appPath = ui->txtAppFile->text();
+        readOnly = ui->cbReadOnly->isChecked();
+        QDialog::accept();
+    }
 }
 
 void TitleImportDialog::tmdDownloaded()
@@ -363,21 +383,6 @@ void TitleImportDialog::tmdDownloaded()
     }
 }
 
-void TitleImportDialog::on_TitleImportDialog_accepted()
-{
-    setEnabled(false);
-}
-
-void TitleImportDialog::on_TitleImportDialog_rejected()
-{
-    printf("rejected\n");
-}
-
-void TitleImportDialog::on_TitleImportDialog_reject()
-{
-    printf("reject\n");
-}
-
 void TitleImportDialog::on_btnAppBrowse_clicked()
 {
     QString file = QFileDialog::getOpenFileName(this,

src/frontend/qt_sdl/TitleManagerDialog.h

@@ -62,7 +62,7 @@ public:
         {
             QMessageBox::critical(parent,
                                   "DSi title manager - melonDS",
-                                  "Failed to mount the DSi NAND. Check that your NAND dump is valid.");
+                                  "Failed to mount the DSi NAND. Check that your NAND dump is accessible and valid.");
             return nullptr;
         }
 
@@ -81,8 +81,8 @@ private slots:
 
     void on_btnImportTitle_clicked();
     void onImportTitleFinished(int res);
-
+    void on_btnImportTitleData_clicked();
-    void on_btnExportTitle_clicked();
+    void on_btnExportTitleData_clicked();
     void on_btnDeleteTitle_clicked();
     void on_lstTitleList_currentItemChanged(QListWidgetItem* cur, QListWidgetItem* prev);
 
@@ -93,6 +93,9 @@ private:
     u8 importTmdData[0x208];
     bool importReadOnly;
 
+    QAction* importAction[3];
+    QAction* exportAction[3];
+
     void createTitleItem(u32 category, u32 titleid);
 };
 
@@ -108,10 +111,6 @@ private slots:
     void accept() override;
     void tmdDownloaded();
 
-    void on_TitleImportDialog_accepted();
-    void on_TitleImportDialog_rejected();
-    void on_TitleImportDialog_reject();
-
     void on_btnAppBrowse_clicked();
     void on_btnTmdBrowse_clicked();
     void onChangeTmdSource(int id);

src/frontend/qt_sdl/TitleManagerDialog.ui

@@ -30,20 +30,39 @@
     <layout class="QHBoxLayout" name="horizontalLayout">
      <item>
       <widget class="QPushButton" name="btnImportTitle">
+       <property name="whatsThis">
+        <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Import a DSiware title to your emulated DSi system.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+       </property>
        <property name="text">
         <string>Import title...</string>
        </property>
       </widget>
      </item>
      <item>
-      <widget class="QPushButton" name="btnExportTitle">
+      <widget class="QPushButton" name="btnImportTitleData">
+       <property name="whatsThis">
+        <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Import data (save, banner...) for the selected title.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+       </property>
        <property name="text">
-        <string>Export title...</string>
+        <string>Import title data...</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="btnExportTitleData">
+       <property name="whatsThis">
+        <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Export the data (save, banner...) associated with the selected title.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+       </property>
+       <property name="text">
+        <string>Export title data...</string>
        </property>
       </widget>
      </item>
      <item>
       <widget class="QPushButton" name="btnDeleteTitle">
+       <property name="whatsThis">
+        <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Permanently delete the selected title and its associated data from your emulated DSi.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+       </property>
        <property name="text">
         <string>Delete title</string>
        </property>

src/frontend/qt_sdl/main.cpp

@@ -1381,9 +1381,6 @@ MainWindow::MainWindow(QWidget* parent) : QMainWindow(parent)
         actROMInfo = menu->addAction("ROM info");
         connect(actROMInfo, &QAction::triggered, this, &MainWindow::onROMInfo);
 
-        // TODO: menu item should be disabled:
-        // * if no DSi NAND is specified
-        // * if something is running (even paused)
         actTitleManager = menu->addAction("Manage DSi titles");
         connect(actTitleManager, &QAction::triggered, this, &MainWindow::onOpenTitleManager);
     }
@@ -1587,6 +1584,7 @@ MainWindow::MainWindow(QWidget* parent) : QMainWindow(parent)
     actFrameStep->setEnabled(false);
 
     actSetupCheats->setEnabled(false);
+    actTitleManager->setEnabled(strlen(Config::DSiNANDPath) > 0);
 
     actEnableCheats->setChecked(Config::EnableCheats != 0);
 
@@ -2417,6 +2415,9 @@ void MainWindow::onEmuSettingsDialogFinished(int res)
 
     if (EmuSettingsDialog::needsReset)
         onReset();
+
+    if (!RunningSomething)
+        actTitleManager->setEnabled(strlen(Config::DSiNANDPath) > 0);
 }
 
 void MainWindow::onOpenInputConfig()
@@ -2668,6 +2669,7 @@ void MainWindow::onEmuStart()
     actImportSavefile->setEnabled(true);
 
     actSetupCheats->setEnabled(true);
+    actTitleManager->setEnabled(false);
 
     actROMInfo->setEnabled(true);
 }
@@ -2690,6 +2692,7 @@ void MainWindow::onEmuStop()
     actFrameStep->setEnabled(false);
 
     actSetupCheats->setEnabled(false);
+    actTitleManager->setEnabled(strlen(Config::DSiNANDPath) > 0);
 
     actROMInfo->setEnabled(false);
 }