feat(core): support per-layout text strings

Tested by modifying a single untranslated text entry.

core/embed/rust/src/translations/generated/translated_string.rs

@@ -546,7 +546,7 @@ pub enum TranslatedString {
     homescreen__title_no_usb_connection = 327,  // "No USB connection"
     homescreen__title_pin_not_set = 328,  // "PIN not set"
     homescreen__title_seedless = 329,  // "Seedless"
-    homescreen__title_set = 330,  // "Change wallpaper"
+    homescreen__title_set = 330,  // {"Bolt": "Change wallpaper?", "Samson": "Change wallpaper?", "Quicksilver": "Change wallpaper?"}
     inputs__back = 331,  // "BACK"
     inputs__cancel = 332,  // "CANCEL"
     inputs__delete = 333,  // "DELETE"
@@ -1385,6 +1385,8 @@ pub enum TranslatedString {
 }
 
 impl TranslatedString {
+    // Allow building with `--all-features` (enabling all layouts results in duplicate match keys) for clippy
+    #[allow(unreachable_patterns)]
     pub fn untranslated(self) -> &'static str {
         match self {
             Self::addr_mismatch__contact_support_at => "Please contact Trezor support at",
@@ -1922,7 +1924,12 @@ impl TranslatedString {
             Self::homescreen__title_no_usb_connection => "No USB connection",
             Self::homescreen__title_pin_not_set => "PIN not set",
             Self::homescreen__title_seedless => "Seedless",
-            Self::homescreen__title_set => "Change wallpaper",
+            #[cfg(feature = "layout_bolt")]
+            Self::homescreen__title_set => "Change wallpaper?",
+            #[cfg(feature = "layout_samson")]
+            Self::homescreen__title_set => "Change wallpaper?",
+            #[cfg(feature = "layout_quicksilver")]
+            Self::homescreen__title_set => "Change wallpaper?",
             Self::inputs__back => "BACK",
             Self::inputs__cancel => "CANCEL",
             Self::inputs__delete => "DELETE",

core/embed/rust/src/translations/generated/translated_string.rs.mako

@@ -32,6 +32,9 @@ order = {int(k): v for k, v in order_index_name.items()}
 en_file = TR_DIR / "en.json"
 en_data = json.loads(en_file.read_text())["translations"]
 
+def encode_str(s):
+    return re.sub(r'\\u([0-9a-f]{4})', r'\\u{\g<1>}', json.dumps(s))
+
 %>\
 #[cfg(feature = "micropython")]
 use crate::micropython::qstr::Qstr;
@@ -50,13 +53,26 @@ pub enum TranslatedString {
 }
 
 impl TranslatedString {
+    // Allow building with `--all-features` (enabling all layouts results in duplicate match keys) for clippy
+    #[allow(unreachable_patterns)]
     pub fn untranslated(self) -> &'static str {
         match self {
 % for name in order.values():
+<%
+            value = en_data.get(name, '""')
+            layouts_dict = value if isinstance(value, dict) else None
+%>\
             %if any(name.startswith(prefix + "__") for prefix in ALTCOIN_PREFIXES):
             #[cfg(feature = "universal_fw")]
             %endif
-            Self::${name} => ${re.sub(r'\\u([0-9a-f]{4})', r'\\u{\g<1>}', json.dumps(en_data.get(name, '""')))},
+            %if layouts_dict is not None:
+            % for layout_name, layout_value in layouts_dict.items():
+            #[cfg(feature = "${f"layout_{layout_name.lower()}"}")]
+            Self::${name} => ${encode_str(layout_value)},
+            % endfor
+            %else:
+            Self::${name} => ${encode_str(value)},
+            %endif
 % endfor
         }
     }

core/mocks/trezortranslate_keys.pyi

@@ -377,7 +377,7 @@ class TR:
     homescreen__title_no_usb_connection: str = "No USB connection"
     homescreen__title_pin_not_set: str = "PIN not set"
     homescreen__title_seedless: str = "Seedless"
-    homescreen__title_set: str = "Change wallpaper"
+    homescreen__title_set: str = "Change wallpaper?"
     inputs__back: str = "BACK"
     inputs__cancel: str = "CANCEL"
     inputs__delete: str = "DELETE"

core/mocks/trezortranslate_keys.pyi.mako

@@ -9,7 +9,12 @@ en_data = json.loads(en_file.read_text())["translations"]
 
 %>\
 class TR:
-% for name, text in sorted(en_data.items()):
+% for name, value in sorted(en_data.items()):
-    ${name}: str = ${json.dumps(text)}
+<%
+    if isinstance(value, dict):
+        # For simplicity, use the first model's text for the stubs.
+        value, *_ = value.values()
+%>\
+    ${name}: str = ${json.dumps(value)}
 % endfor
 

core/translations/en.json

@@ -379,7 +379,7 @@
     "homescreen__title_no_usb_connection": "No USB connection",
     "homescreen__title_pin_not_set": "PIN not set",
     "homescreen__title_seedless": "Seedless",
-    "homescreen__title_set": "Change wallpaper",
+    "homescreen__title_set": {"Bolt": "Change wallpaper?", "Samson": "Change wallpaper?", "Quicksilver": "Change wallpaper?"},
     "inputs__back": "BACK",
     "inputs__cancel": "CANCEL",
     "inputs__delete": "DELETE",