How do I display tooltips in a Python FMX GUI app?

Question

I have created a window Form with a Button on it with the DelphiFMX GUI library for Python. I want to be able to add a hover tooltip to the button which explains what it does. Here's an example of a button tooltip on a Form, when I hover on it with my mouse, then it shows "I am a button":

Here's the code I currently have to create my Form with Button:

from delphifmx import *

class frmMain(Form):
    def __init__(self, owner):
        self.Caption = 'My Form'
        self.Width = 1000
        self.Height = 500
        self.Position = "ScreenCenter"

        self.myButton = Button(self)
        self.myButton.Parent = self
        self.myButton.Text = "Hello World!"
        self.myButton.Align = "Client"
        self.myButton.Margins.Top = 20
        self.myButton.Margins.Right = 20
        self.myButton.Margins.Bottom = 20
        self.myButton.Margins.Left = 20
        self.myButton.StyledSettings = ""
        self.myButton.TextSettings.Font.Size = 50
        self.myButton.onClick = self.Button_OnClick

    def Button_OnClick(self, sender):
        print("Hello World!")

def main():
    Application.Initialize()
    Application.Title = "My Application"
    Application.MainForm = frmMain(Application)
    Application.MainForm.Show()
    Application.Run()
    Application.MainForm.Destroy()

main()

I tried doing self.myButton.toolTip = "Click me!", but this doesn't work.

How do tooltips work in the DelphiFMX library?

Answer 1

Tooltips in DelphiFMX are called Hints. Here's how you would add a Hint to your button:

self.myButton.Hint = "Click me!"
self.myButton.ShowHint = True

Here's a screenshot of that exact code that shows the "Click me!" tooltip/hint when I hovered on it:

You simply use the Hint property to add your string and then set ShowHint to True.

You can also do multi-line hints by adding chr(13) + chr(10) to your Hint string:

self.myButton.Hint = "Click me!" + chr(13) + chr(10) + "I'm a button!"
self.myButton.ShowHint = True