fix(core): workaround umlauts not being cleared

[no changelog]

core/embed/rust/src/ui/model_tt/component/loader.rs

@@ -32,6 +32,7 @@ pub struct Loader {
     growing_duration: Duration,
     shrinking_duration: Duration,
     styles: LoaderStyleSheet,
+    offset_y: i16,
 }
 
 impl Loader {
@@ -54,6 +55,7 @@ impl Loader {
             growing_duration: Duration::from_millis(GROWING_DURATION_MS),
             shrinking_duration: Duration::from_millis(SHRINKING_DURATION_MS),
             styles,
+            offset_y: 0,
         }
     }
 
@@ -140,7 +142,15 @@ impl Component for Loader {
     type Msg = LoaderMsg;
 
     fn place(&mut self, bounds: Rect) -> Rect {
-        self.pad.place(bounds);
+        // Current loader API only takes Y-offset relative to screen center, which we
+        // compute from the bounds center point.
+        let screen_center = constant::screen().center();
+        self.offset_y = bounds.center().y - screen_center.y;
+
+        // FIXME: avoid umlauts rendering outside bounds
+        let mut bounds_up_to_top = bounds;
+        bounds_up_to_top.y0 = 0;
+        self.pad.place(bounds_up_to_top);
         Rect::from_center_and_size(bounds.center(), Self::SIZE)
     }
 
@@ -182,15 +192,10 @@ impl Component for Loader {
                 self.styles.active
             };
 
-            // Current loader API only takes Y-offset relative to screen center, which we
-            // compute from the bounds center point.
-            let screen_center = constant::screen().center();
-            let offset_y = self.pad.area.center().y - screen_center.y;
-
             self.pad.paint();
             display::loader(
                 progress,
-                offset_y,
+                self.offset_y,
                 style.loader_color,
                 style.background_color,
                 style.icon,