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Add setting to manage DSi System Titles #2609

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b7f06a1
Add setting to manage DSi System Titles
Dionicio3 Mar 19, 2026
800ddc6
Fixed formatting (hopefully)
Dionicio3 Apr 29, 2026
954bc6f
Missed one lol
Dionicio3 Apr 29, 2026
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2 changes: 2 additions & 0 deletions src/frontend/qt_sdl/Config.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -260,6 +260,8 @@ LegacyEntry LegacyFile[] =
{"DSiSDReadOnly", 1, "DSi.SD.ReadOnly", false},
{"DSiSDFolderSync", 1, "DSi.SD.FolderSync", false},
{"DSiSDFolderPath", 2, "DSi.SD.FolderPath", false},

{"DSiShowSystemTitles", 2, "DSi.ShowSystemTitles", false},

{"FirmwareOverrideSettings", 1, "Firmware.OverrideSettings", true},
{"FirmwareUsername", 2, "Firmware.Username", true},
Expand Down
88 changes: 72 additions & 16 deletions src/frontend/qt_sdl/TitleManagerDialog.cpp
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Expand Up @@ -36,6 +36,8 @@ using namespace melonDS::Platform;
std::unique_ptr<DSi_NAND::NANDImage> TitleManagerDialog::nand = nullptr;
TitleManagerDialog* TitleManagerDialog::currentDlg = nullptr;

const std::vector<u32> allTitles = { 0x00030004, 0x00030005, 0x0003000f, 0x00030015, 0x00030017 };
std::vector<u32> titlelist;

TitleManagerDialog::TitleManagerDialog(QWidget* parent, DSi_NAND::NANDImage& image) : QDialog(parent), ui(new Ui::TitleManagerDialog), nandmount(image)
{
Expand All @@ -46,21 +48,15 @@ TitleManagerDialog::TitleManagerDialog(QWidget* parent, DSi_NAND::NANDImage& ima

ui->lstTitleList->setIconSize(QSize(32, 32));

const u32 category = 0x00030004;
std::vector<u32> titlelist;
nandmount.ListTitles(category, titlelist);


for (std::vector<u32>::iterator it = titlelist.begin(); it != titlelist.end(); it++)
{
u32 titleid = *it;
createTitleItem(category, titleid);
}

ui->lstTitleList->sortItems();
Config::Table cfg = Config::GetGlobalTable();
generateTitleList(allTitles, titlelist, cfg.GetBool("DSi.ShowSystemTitles"));

ui->btnImportTitleData->setEnabled(false);
ui->btnExportTitleData->setEnabled(false);
ui->btnDeleteTitle->setEnabled(false);
ui->checkBoxShowSystemTitles->setChecked(cfg.GetBool("DSi.ShowSystemTitles"));

{
QMenu* menu = new QMenu(ui->btnImportTitleData);
Expand Down Expand Up @@ -104,6 +100,34 @@ TitleManagerDialog::~TitleManagerDialog()
delete ui;
}

void TitleManagerDialog::generateTitleList(std::vector<u32> allTitles, std::vector<u32> titlelist, bool showSystemTitles)
{
ui->lstTitleList->clear();
std::vector<u32> currTitlelist;
if (!showSystemTitles)
{
nandmount.ListTitles(allTitles[0], currTitlelist);
for (std::vector<u32>::iterator it = currTitlelist.begin(); it != currTitlelist.end(); it++)
{
u32 titleid = *it;
createTitleItem(allTitles[0], titleid);
}
}
else
{
for (int i = 0; i < allTitles.size(); i++)
{
nandmount.ListTitles(allTitles[i], currTitlelist);
for (std::vector<u32>::iterator it = currTitlelist.begin(); it != currTitlelist.end(); it++)
{
u32 titleid = *it;
createTitleItem(allTitles[i], titleid);
}
currTitlelist.clear();
}
}
ui->lstTitleList->sortItems();
}
void TitleManagerDialog::createTitleItem(u32 category, u32 titleid)
{
u32 version;
Expand All @@ -119,17 +143,33 @@ void TitleManagerDialog::createTitleItem(u32 category, u32 titleid)

// TODO: make it possible to select other languages?
QString title = QString::fromUtf16(banner.EnglishTitle, 128);
title = title.left(title.indexOf(QChar('\0')));
title.replace("\n", " · ");
if (category != 0x0003000f)
{
title = title.left(title.indexOf(QChar('\0')));
title.replace("\n", " · ");
}
else
{
title = "Non executable data file";
}

char gamecode[5];
*(u32*)&gamecode[0] = *(u32*)&header.GameCode[0];
gamecode[4] = '\0';
char extra[128];
snprintf(extra, sizeof(extra), "\n(title ID: %s · %08x/%08x · version %08x)", gamecode, category, titleid, version);

if (category != 0x0003000f)
{
snprintf(extra, sizeof(extra), "\n(title ID: %s · %08x/%08x · version %08x)", gamecode, category, titleid, version);
}
else
{
snprintf(extra, sizeof(extra), "\n(title ID: %08x/%08x · version %08x)", category, titleid, version);
}
QListWidgetItem* item = new QListWidgetItem(title + QString(extra));
item->setIcon(icon);
if (category != 0x0003000f)
{
item->setIcon(icon);
}
item->setData(Qt::UserRole, QVariant((qulonglong)(((u64)category<<32) | (u64)titleid)));
item->setData(Qt::UserRole+1, QVariant(header.DSiPublicSavSize)); // public.sav size
item->setData(Qt::UserRole+2, QVariant(header.DSiPrivateSavSize)); // private.sav size
Expand Down Expand Up @@ -428,14 +468,23 @@ void TitleImportDialog::accept()
Platform::FileRead(titleid, 8, 1, f);
Platform::CloseFile(f);

if (titleid[1] != 0x00030004)
if (!std::count(allTitles.begin(), allTitles.end(), titleid[1]))
{
QMessageBox::critical(this,
"Import title - melonDS",
"Executable file is not a DSiWare title.");
return;
}

if (titleid[1] == 0x00030005 || titleid[1] == 0x0003000f || titleid[1] == 0x00030015 || titleid[1] == 0x00030017)
{
if (QMessageBox::question(this,
"Import title - melonDS",
"The selected file is a system title.\nAre you sure you would like to continue?",
QMessageBox::StandardButtons(QMessageBox::Yes|QMessageBox::No),
QMessageBox::No) != QMessageBox::Yes)
return;
}
if (tmdfromfile)
{
path = ui->txtTmdFile->text();
Expand Down Expand Up @@ -566,6 +615,13 @@ void TitleImportDialog::on_btnTmdBrowse_clicked()
ui->txtTmdFile->setText(file);
}

void TitleManagerDialog::on_checkBoxShowSystemTitles_stateChanged()
{
Config::Table cfg = Config::GetGlobalTable();
cfg.SetBool("DSi.ShowSystemTitles", ui->checkBoxShowSystemTitles->isChecked());
generateTitleList(allTitles, titlelist, ui->checkBoxShowSystemTitles->isChecked());
}

void TitleImportDialog::onChangeTmdSource(int id)
{
bool pathenable = (id==0);
Expand Down
2 changes: 2 additions & 0 deletions src/frontend/qt_sdl/TitleManagerDialog.h
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Original file line number Diff line number Diff line change
Expand Up @@ -94,6 +94,7 @@ private slots:
void on_lstTitleList_currentItemChanged(QListWidgetItem* cur, QListWidgetItem* prev);
void onImportTitleData();
void onExportTitleData();
void on_checkBoxShowSystemTitles_stateChanged();

private:
EmuInstance* emuInstance;
Expand All @@ -108,6 +109,7 @@ private slots:
QAction* actImportTitleData[3];
QAction* actExportTitleData[3];

void generateTitleList(std::vector<melonDS::u32> allTitles, std::vector<melonDS::u32> titlelist, bool showSystemTitles);
void createTitleItem(melonDS::u32 category, melonDS::u32 titleid);
};

Expand Down
11 changes: 9 additions & 2 deletions src/frontend/qt_sdl/TitleManagerDialog.ui
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Original file line number Diff line number Diff line change
Expand Up @@ -68,10 +68,17 @@
</property>
</widget>
</item>
<item>
<widget class="QCheckBox" name="checkBoxShowSystemTitles">
<property name="text">
<string>Show System Titles</string>
</property>
</widget>
</item>
<item>
<spacer name="horizontalSpacer">
<property name="orientation">
<enum>Qt::Horizontal</enum>
<enum>Qt::Orientation::Horizontal</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
Expand All @@ -89,7 +96,7 @@
<item>
<widget class="QDialogButtonBox" name="buttonBox">
<property name="standardButtons">
<set>QDialogButtonBox::Close</set>
<set>QDialogButtonBox::StandardButton::Close</set>
</property>
</widget>
</item>
Expand Down
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