BlueFox/lcdMenu
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Added a small check for empty menu item lists (which make no sense)

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This commit is contained in:
BlueFox 2024-11-12 21:52:05 +01:00
parent 10562d6410
commit 974229f4b2
Signed by: BlueFox
GPG Key ID: 327233DA85435270
2 changed files with 7 additions and 3 deletions
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8
__init__.py
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@ -51,10 +51,14 @@ class lcdMenu:
def show_selection(self):
# a check:
# if you scrolling vertically, I found no elegant way to hide the name (there just need's to be something up there!)
# some checks:
# 1. if you scrolling vertically, I found no elegant way to hide the name (there just need's to be something up there!)
if self.scroll_direction and self.hide_menu_name:
raise TypeError("Hiding the menu name whilst having the scroll direction set to horizontal!")
# 2. if there are no menu items to display...
if len(self.menu_items) == 0:
raise TypeError("Can't show empty menus! Maybe you forgot calling self.setup() after initializing me?")
# get some often used values into local variables
selection_name = self.menu_items[self.current_selection][0]