1 files changed, 35 insertions, 3 deletions

diff --git a/src/yuzu/util/limitable_input_dialog.cpp b/src/yuzu/util/limitable_input_dialog.cpp
index edd78e579..6fea41f95 100644
--- a/src/yuzu/util/limitable_input_dialog.cpp
+++ b/src/yuzu/util/limitable_input_dialog.cpp
@@ -21,11 +21,13 @@ void LimitableInputDialog::CreateUI() {
 
     text_label = new QLabel(this);
     text_entry = new QLineEdit(this);
+    text_label_invalid = new QLabel(this);
     buttons = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel, this);
 
     auto* const layout = new QVBoxLayout;
     layout->addWidget(text_label);
     layout->addWidget(text_entry);
+    layout->addWidget(text_label_invalid);
     layout->addWidget(buttons);
 
     setLayout(layout);
@@ -37,18 +39,36 @@ void LimitableInputDialog::ConnectEvents() {
 }
 
 QString LimitableInputDialog::GetText(QWidget* parent, const QString& title, const QString& text,
-                                      int min_character_limit, int max_character_limit) {
+                                      int min_character_limit, int max_character_limit,
+                                      InputLimiter limit_type) {
     Q_ASSERT(min_character_limit <= max_character_limit);
 
     LimitableInputDialog dialog{parent};
     dialog.setWindowTitle(title);
     dialog.text_label->setText(text);
     dialog.text_entry->setMaxLength(max_character_limit);
+    dialog.text_label_invalid->show();
+
+    switch (limit_type) {
+    case InputLimiter::Filesystem:
+        dialog.invalid_characters = QStringLiteral("<>:;\"/\\|,.!?*");
+        break;
+    default:
+        dialog.invalid_characters.clear();
+        dialog.text_label_invalid->hide();
+        break;
+    }
+    dialog.text_label_invalid->setText(
+        tr("The text can't contain any of the following characters:\n%1")
+            .arg(dialog.invalid_characters));
 
     auto* const ok_button = dialog.buttons->button(QDialogButtonBox::Ok);
     ok_button->setEnabled(false);
-    connect(dialog.text_entry, &QLineEdit::textEdited, [&](const QString& new_text) {
-        ok_button->setEnabled(new_text.length() >= min_character_limit);
+    connect(dialog.text_entry, &QLineEdit::textEdited, [&] {
+        if (!dialog.invalid_characters.isEmpty()) {
+            dialog.RemoveInvalidCharacters();
+        }
+        ok_button->setEnabled(dialog.text_entry->text().length() >= min_character_limit);
     });
 
     if (dialog.exec() != QDialog::Accepted) {
@@ -57,3 +77,15 @@ QString LimitableInputDialog::GetText(QWidget* parent, const QString& title, con
 
     return dialog.text_entry->text();
 }
+
+void LimitableInputDialog::RemoveInvalidCharacters() {
+    auto cpos = text_entry->cursorPosition();
+    for (int i = 0; i < text_entry->text().length(); i++) {
+        if (invalid_characters.contains(text_entry->text().at(i))) {
+            text_entry->setText(text_entry->text().remove(i, 1));
+            i--;
+            cpos--;
+        }
+    }
+    text_entry->setCursorPosition(cpos);
+}