pySimpleGUI – Set Cursor and refresh

Question

Using pySimpleGUI I simply want to change the mouse cursor while the code is processing a query, but the cursor does only change after the code is executed… it does work when I put a window.read() after the set_cursor() call, but then the proceeding code is not executed immediately. What am I doing wrong? Unfortunately, the documentation does not provide an example.

import PySimpleGUI as sg

#... more code   
window = sg.Window(f"Report Generator v{APP_VERSION}", layout)

while True:
        event, values = window.read()

        # close button was clicked
        if event == "Close" or event == sg.WIN_CLOSED:
            break
        # Generate button was clicked
        elif event == "Generate":
            window.set_cursor("coffee_mug")
            window.refresh()

            # more code where the cursor should be changed but isn't

Asked By: Boketto

||

Source

Answer 1

Following code work on my WIN10

import PySimpleGUI as sg

layout = [
    [sg.Text("Hello World")],
    [sg.Button('Submit'), sg.Button('Cancel')],
]
window = sg.Window(f"Title", layout)

while True:
        event, values = window.read()

        if event in (sg.WIN_CLOSED, 'Cancel'):
            break

        elif event == "Submit":
            window.set_cursor("coffee_mug")

window.close()

Answered By: Jason Yang

Answer 2

Not completely sure why is that, but the following works as desired. The crucial part is to add the Submit button ID at the window['Submit'].set_cursor("coffee_mug"), then the new cursor is displayed before the next code is executed. And it will also show the new cursor at the entire window, not only when hovering over the button as one might have expected:

import PySimpleGUI as sg

layout = [
    [sg.Text("Hello World")],
    [sg.Button('Submit'), sg.Button('Cancel')],
]

window = sg.Window(f"Report Generator v{APP_VERSION}", layout)

while True:
        event, values = window.read()

        # close button was clicked
        if event == "Close" or event == sg.WIN_CLOSED:
            break
        # Generate button was clicked
        elif event == "Submit":
            window['Submit'].set_cursor("coffee_mug")
            time.sleep(5)

            # more code where the cursor should be changed but isn't

Answered By: Boketto

Answer 3

I have a window that connects to a database and I disable the button and change the button text to show that it is "Working". When the task is finished I enable the button and change the text back to "Connect to Database". I think this is very similar to what you are trying to do.

Here is my function:

def dbConnectWin(iniConfig, user='', winTitle='Database User Name', pwd=''):
        sg.theme(iniConfig.read('MasterWin', 'window-theme'))
        layout = [[sg.Text('User:', size=(10, 1)), sg.InputText(user, key='User', size=(30, 1))],
                  [sg.Text('Password:', size=(10, 1)), sg.InputText(pwd, key='Password', password_char='*', size=(30, 1))],
                  [sg.Radio('Local Lan', "Host", default=True, key='LanHost'),
                   sg.Radio('VPN-ing', "Host", key='VPNHost'),  
                   sg.Radio('Wan or Remote', "Host", key='WanHost')], 
                  [sg.Button(button_text='Connect to Database', key='ConnectButton', bind_return_key=True),  
                   sg.Button('Exit Program', key='Cancel')]]  
        window = sg.Window(winTitle, layout, element_justification='center',
                           location=iniConfig.read('MasterWin', 'window-position'), icon=dataBaseIcon, finalize=True, keep_on_top=True)
        window.force_focus()
        window.bring_to_front()
        window['ConnectButton'].set_focus()
        while True:
            event, values = window.read(timeout=50)
            if event != '__TIMEOUT__':
                print("DBlogin Event", event)
            if event == 'ConnectButton':
                if values['LanHost']:
                    host = iniConfig.read('GLOBAL', 'lan-host-name')
                elif values['WanHost']:
                    host = iniConfig.read('GLOBAL', 'wan-host-name')
                elif values['VPNHost']:
                    host = iniConfig.read('GLOBAL', 'vpn-host-name')
                else:
                    sg.popup("Program Error - Lan & Wan Host was False", location=centerChildWindow(window),
                             title="Program Error", keep_on_top=True, modal=True, auto_close=True)
                    sys.exit(1)
                window['ConnectButton'].update(disabled=True, text='Working')
                window.refresh()
                con = databaseConnect("Database", values['User'], values['Password'], host, window)
                if con != -1:
                    window['ConnectButton'].update(disabled=True, text='Connected')
                    window.refresh()
                    break
                else:
                    window['ConnectButton'].update(disabled=False, text='Connect to Database')
                    window.refresh()
            elif event in ('Cancel', sg.WIN_CLOSED):
                sys.exit(1)
        window.close()
        del window
        iniConfig.dbUser = values['User']  # set global variable dbUser of the user that validated loging into database
        iniConfig.conDB = con
        return

Answered By: RAllenAZ

pySimpleGUI – Set Cursor and refresh

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