accept font names, as well as font paths

src/raddbg/raddbg.mdesk

@@ -225,8 +225,10 @@ RD_VocabTable:
       @default(1)  'scrolling_animations': bool,
       
       //- rjf: fonts
-      'main_font': string,
-      'code_font': string,
+      @display_name('UI Font') @description("The name or path to the font used when displaying non-code UI elements.")
+        'main_font': string,
+      @display_name('Code Font') @description("The name or path to the font used when displaying code.")
+        'code_font': string,
       
       //- rjf: colors
       @display_name('Color Preset')

src/raddbg/raddbg_core.c

@@ -10394,7 +10394,11 @@ rd_font_from_slot(RD_FontSlot slot)
   
   // rjf: map name -> tag
   FNT_Tag result = {0};
-  if(font_name.size == 0)
+  if(font_name.size != 0)
+  {
+    result = fnt_tag_from_path(font_name);
+  }
+  if(font_name.size == 0 || fnt_tag_match(fnt_tag_zero(), result))
   {
     switch(slot)
     {
@@ -10404,11 +10408,6 @@ rd_font_from_slot(RD_FontSlot slot)
       case RD_FontSlot_Icons:{result = fnt_tag_from_static_data_string(&rd_icon_font_bytes);}break;
     }
   }
-  else
-  {
-    // TODO(rjf): need to handle "system font names" here.
-    result = fnt_tag_from_path(font_name);
-  }
   return result;
 }
 

src/raddbg/raddbg_main.c

@@ -207,10 +207,6 @@
 ////////////////////////////////
 //~ rjf: Hot, Medium Priority Tasks (Low-Hanging-Fruit Features, UI Jank, Cleanup)
 //
-// [ ] Setting the code_font/main_font values to a font name doesn't work.
-//     Should probably make note that you have to set it to a path to a TTF,
-//     since that's not normally how Windows fonts work.
-//
 // [ ] "root" concept in hash store, which buckets keys & allows usage code to
 //     jettison a collection of keys in retained mode fashion
 //
@@ -422,6 +418,9 @@
 //     size dynamically
 // [x] automatically start search query with selected text
 // [x] @feature processor/data breakpoints
+// [x] Setting the code_font/main_font values to a font name doesn't work.
+//     Should probably make note that you have to set it to a path to a TTF,
+//     since that's not normally how Windows fonts work.
 
 ////////////////////////////////
 //~ rjf: Build Options