Incorrect button width when window not resized

[‣ImIlya₰]

Description of the Bug

At the start of the program, the width of the button is incorrect, and the width can be corrected only by resizing the window

Code and Logs

from kivy.lang import Builder

from kivymd.app import MDApp

KV = """
MDBoxLayout:
    orientation: 'vertical'

    MDRectangleFlatIconButton:
        text: 'Hello world'
        width: self.parent.width
"""

class MainApp(MDApp):
    def build(self):
        return Builder.load_string(KV)
    
MainApp().run()

Screenshots

Before resizing:

After resizing:

Versions

• OS: Windows 10
• Python: 3.10.6
• Kivy: 2.3.0
• KivyMD: 1.2.0

[Yuri Ivanov]

KivyMD: 1.2.0 is not supported