ui/passphrase: align long passphrase to the right

6 years ago · b139e1a7ac
parent deb64c3c43
commit b139e1a7ac
1 changed files with 4 additions and 1 deletions
--- a/src/trezor/ui/passphrase.py
+++ b/src/trezor/ui/passphrase.py
@ -63,10 +63,13 @@ class Input(Button):

        tx = ax + 24  # x-offset of the content
        ty = ay + ah // 2 + 8  # y-offset of the content
+        maxlen = const(14)  # maximum text length

        # input content
-        display.text(tx, ty, t, text_style, fg_color, bg_color)
+        if len(t) > maxlen:
+            t = '<' + t[-maxlen:]  # too long, align to the right
        width = display.text_width(t, text_style)
+        display.text(tx, ty, t, text_style, fg_color, bg_color)

        if p:  # pending marker
            pw = display.text_width(t[-1:], text_style)