Show info/warning on first activation of nsfw filter

ai_diffusion/language/new_language.json.template

@@ -183,6 +183,7 @@
     "Model Checkpoint": null,
     "Model to encode and decode images. Commonly affects saturation and sharpness.": null,
     "NSFW Filter": null,
+    "NSFW Filter Warning": null,
     "Name": null,
     "Negative Prompt": null,
     "Neutral": null,
@@ -318,6 +319,7 @@
     "The ControlNet model is not installed": null,
     "The LoRA '{lora}' used by style '{style}' is not available on the server": null,
     "The LoRA file is not installed on the server.": null,
+    "The NSFW filter is a basic tool to exclude explicit content from generated images. It is NOT a guarantee and may not catch all inappropriate content. Please use responsibly and always review the generated images.": null,
     "The Stable Diffusion checkpoint file": null,
     "The VAE '{vae}' used by style '{style}' is not available on the server": null,
     "The active layer does not contain an animation.": null,

ai_diffusion/ui/settings.py

@@ -16,6 +16,7 @@
     QRadioButton,
     QComboBox,
     QWidget,
+    QMessageBox,
 )
 from PyQt5.QtCore import Qt, QMetaObject, QSize, QUrl, pyqtSignal
 from PyQt5.QtGui import QDesktopServices, QGuiApplication, QCursor
@@ -388,9 +389,23 @@ def __init__(self):
 
         nsfw_settings = [("Disabled", 0.0), ("Basic", 0.65), ("Strict", 0.8)]
         self._widgets["nsfw_filter"].set_items(nsfw_settings)
+        DiffusionSettings._warning_shown = self._warning_shown or settings.nsfw_filter > 0
 
         self._layout.addStretch()
 
+    _warning_shown = False
+
+    def _write(self):
+        if self._widgets["nsfw_filter"].value > 0 and not self._warning_shown:
+            DiffusionSettings._warning_shown = True
+            QMessageBox.warning(
+                self,
+                _("NSFW Filter Warning"),
+                _(
+                    "The NSFW filter is a basic tool to exclude explicit content from generated images. It is NOT a guarantee and may not catch all inappropriate content. Please use responsibly and always review the generated images."
+                ),
+            )
+
 
 class InterfaceSettings(SettingsTab):
     def __init__(self):