Improved message markup handling

sbapp/main.py

@@ -566,6 +566,15 @@ class SidebandApp(MDApp):
             fn_italic=fb_path+"NotoSans-Italic.ttf",
             fn_bolditalic=fb_path+"NotoSans-BoldItalic.ttf")
 
+        LabelBase.register(name="mono",
+            fn_regular=fb_path+"RobotoMonoNerdFont-Regular.ttf")
+
+        LabelBase.register(name="term",
+            fn_regular=fb_path+"BigBlueTerm437NerdFont-Regular.ttf")
+
+        LabelBase.register(name="nf",
+            fn_regular=fb_path+"RobotoMonoNerdFont-Regular.ttf")
+
     def update_input_language(self):
         language = self.sideband.config["input_language"]
         if language == None:

sbapp/ui/helpers.py

@@ -86,14 +86,8 @@ def multilingual_markup(data):
     if rfont != "default":
         do += "[/font]"
 
-    # TODO: Remove
-    # print(do+"\n\n"+str(time.time()-ts))
-
     return do.encode("utf-8")
 
-font_map = {
-    "mono": "RobotoMono-Regular"
-}
 
 codepoint_map = {
     0x0590: [0x05ff, "hebrew"],

sbapp/ui/messages.py

@@ -656,7 +656,12 @@ class Messages():
                 def cbf(w):
                     def x(dt):
                         if w.texture_size[0] == 0 and w.texture_size[1] == 0:
-                            w.text = "[i]This message could not be rendered, likely due to an error in its markup. Falling back to plain-text rendering.[/i]\n\n"+escape_markup(w.text)
+                            w.markup = False
+                            escaped_content = escape_markup(w.text)
+                            def deferred(dt):
+                                w.text = "[i]This message could not be rendered correctly, likely due to an error in its markup. Falling back to plain-text rendering.[/i]\n\n"+escaped_content
+                                w.markup = True
+                            Clock.schedule_once(deferred, 0.1)
                     return x
 
                 Clock.schedule_once(cbf(item.ids.content_text), 0.25)