From dd3bf253f8823fc845aa4c4a8bc2d81cd98b0a7c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ioan=20Biz=C4=83u?= <i@ibz.me>
Date: Wed, 15 Jan 2025 15:58:44 +0100
Subject: [PATCH] fix(core): disallow canceling on uncancelable pages

---
 core/.changelog.d/4500.fixed                                | 1 +
 .../src/ui/layout_samson/component/button_controller.rs     | 6 +++++-
 core/embed/rust/src/ui/layout_samson/component/page.rs      | 4 +++-
 3 files changed, 9 insertions(+), 2 deletions(-)
 create mode 100644 core/.changelog.d/4500.fixed

diff --git a/core/.changelog.d/4500.fixed b/core/.changelog.d/4500.fixed
new file mode 100644
index 0000000000..bfd7224b1f
--- /dev/null
+++ b/core/.changelog.d/4500.fixed
@@ -0,0 +1 @@
+[T3B1] Fix backup failing if middle button is pressed during confirmation.
diff --git a/core/embed/rust/src/ui/layout_samson/component/button_controller.rs b/core/embed/rust/src/ui/layout_samson/component/button_controller.rs
index ed7d4ebca8..4d3463c980 100644
--- a/core/embed/rust/src/ui/layout_samson/component/button_controller.rs
+++ b/core/embed/rust/src/ui/layout_samson/component/button_controller.rs
@@ -489,7 +489,11 @@ impl Component for ButtonController {
                             } else {
                                 (
                                     ButtonState::OneReleased(b),
-                                    Some(ButtonControllerMsg::Triggered(b.into(), false)),
+                                    match b {
+                                        PhysicalButton::Left => self.left_btn.maybe_trigger(ctx),
+                                        PhysicalButton::Right => self.right_btn.maybe_trigger(ctx),
+                                        _ => None,
+                                    },
                                 )
                             }
                         }
diff --git a/core/embed/rust/src/ui/layout_samson/component/page.rs b/core/embed/rust/src/ui/layout_samson/component/page.rs
index 7961bbb4de..464a89547f 100644
--- a/core/embed/rust/src/ui/layout_samson/component/page.rs
+++ b/core/embed/rust/src/ui/layout_samson/component/page.rs
@@ -179,9 +179,11 @@ where
                         // Clicked BACK. Scroll up.
                         self.go_to_previous_page();
                         self.change_page(ctx);
-                    } else {
+                    } else if self.cancel_btn_details.is_some() {
                         // Clicked CANCEL. Send result.
                         return Some(PageMsg::Cancelled);
+                    } else {
+                        return None;
                     }
                 }
                 ButtonPos::Right => {