KeyboardEvent
KeyboardEvent
class has the following properties:
alt
Whether a logical ALT modifier key was pressed, regardless of which side of the keyboard it is on. For example, Alt
or Option
.
Value is of type bool
.
ctrl
Whether a logical CTRL modifier key is pressed, regardless of which side of the keyboard it is on. For example, Ctrl
.
Value is of type bool
.
key
A textual representation of the pressed keyboard key, e.g. A
, Enter
or F5
.
Value is of type str
.
meta
Whether a logical META modifier key is pressed, regardless of which side of the keyboard it is on. For example,
the Command
.
Value is of type bool
.
shift
Whether the Shift
key was pressed.
Value is of type bool
.
Usage Example
import flet as ft
class ButtonControl(ft.Container):
def __init__(self, text):
super().__init__()
self.content = ft.Text(text)
self.border = ft.border.all(1, ft.colors.BLACK54)
self.border_radius = 3
self.bgcolor = "0x09000000"
self.padding = 10
self.visible = False
def main(page: ft.Page):
def on_keyboard(e: ft.KeyboardEvent):
key.content.value = e.key
key.visible = True
shift.visible = e.shift
ctrl.visible = e.ctrl
alt.visible = e.alt
meta.visible = e.meta
page.update()
page.on_keyboard_event = on_keyboard
key = ButtonControl("")
shift = ButtonControl("Shift")
ctrl = ButtonControl("Control")
alt = ButtonControl("Alt")
meta = ButtonControl("Meta")
page.spacing = 50
page.vertical_alignment = "center"
page.horizontal_alignment = "center"
page.add(
ft.Text(
"Press any key with a combination of CTRL, ALT, SHIFT and META keys..."
),
ft.Row([key, shift, ctrl, alt, meta], alignment=ft.MainAxisAlignment.CENTER),
)
ft.app(main)