[Geany-Users] Geany on Raspberry Pi... can't see Tkinter window

[Eric Stephan]

OK, that is totally useful! Thanks much. Going to get a sense of this broader set of classes etc. to set it up right.

thx!
Eric

> On May 20, 2018, at 11:18 AM, Lex Trotman <elextr at gmail.com> wrote:
> 
> Try reading https://docs.python.org/3/library/tkinter.html#a-simple-hello-world-program
> and see what your script is missing to make it run as a complete
> program.
> 
> Cheers
> Lex
> 
> On 20 May 2018 at 14:06, Eric Stephan <estephan at fastmail.net> wrote:
>> 
>> Hi -- thanks for that info!
>> 
>> -- I'm embarrassed to say that since I don't usually put longish scripts into the command line, I'm not sure how to get the many individual commands (with its odd bind commands etc) into just the command line.  merely pasting it gives "SyntaxError: multiple statements found while compiling a single statement"
>> 
>> -- BUT anyway, I think the basic question would then be, if I wanted to write a python app that used TKinter windows like that, how would I do it so that Geany would show the results?  TKinter is a quite commonly used component...
>> 
>> -- BTW, that script worked OK to show the TKinter output in both IDLE and Thonny IDEs
>> 
>> I'm guessing it's some not-too-complex little configuration or tweak somewhere...
>> 
>> thx
>> Eric
>> 
>> On Sun, May 20, 2018, at 9:10 AM, Lex Trotman wrote:
>>> What happens if you run your script from the command line?  I suspect
>>> it will just return the same as it does in Geany.  Geany runs things
>>> exactly as if from the command line, so if your script doesn't run
>>> there it won't run in Geany.
>>> 
>>> The other IDE is a specialist Python thingy which may be doing
>>> something different, possibly helpful for beginners, but not so
>>> helpful when you actually want your script to run as a separate
>>> program independent of the IDE.
>>> 
>>> Cheers
>>> Lex
>>> 
>>> On 20 May 2018 at 11:25, Eric Stephan <estephan at fastmail.net> wrote:
>>>> 
>>>> Hello all!
>>>> 
>>>> I have a problem on the Raspberry Pi where Geany will not show the Tkinter
>>>> window when I am making a simple Python app with tkinter graphics.
>>>> 
>>>> I tried asking on Stack Exchange but no luck…  I am sorry that I will just
>>>> paste the question below, it’s the easiest way to be clear about it!
>>>> 
>>>> ======
>>>> 
>>>> My problem: When I run my simple graphics tkinter python script (pasted
>>>> below) in Geany, it "runs" ... BUT it simply shows the white-text-on-black
>>>> script window proudly announcing that script completed... while the tkinter
>>>> graphics window created by the script does not appear!      *** When I do
>>>> this in another IDE, Thonny, the graphics window appears.   How do I get
>>>> Geany to show this script's graphics window correctly? THANKS!
>>>> 
>>>> —— below is the code (from a learn-Python book)
>>>> 
>>>> from Tkinter import *
>>>> 
>>>> window = Tk()
>>>> window.title('Alien')
>>>> c = Canvas(window, height = 300, width=400)
>>>> c.pack()
>>>> body=c.create_oval(100,150,300,250,fill='green')
>>>> eye=c.create_oval(170,70,230,130,fill='white')
>>>> eyeball=c.create_oval(190,90,210,110,fill='black')
>>>> mouth=c.create_oval(150,220,250,240,fill='red')
>>>> neck=c.create_line(200,150,200,130)
>>>> hat=c.create_polygon(180,75,220,75,200,20,fill='blue')
>>>> 
>>>> def mouth_open():
>>>>    c.itemconfig(mouth,fill='black')
>>>> def mouth_close():
>>>>    c.itemconfig(mouth,fill='red')
>>>> 
>>>> def blink(event):
>>>>    c.itemconfig(eye, fill='green')
>>>>    c.itemconfig(eyeball, state=HIDDEN)
>>>> def unblink(event):
>>>>    c.itemconfig(eye, fill='white')
>>>>    c.itemconfig(eyeball, state=NORMAL)
>>>> 
>>>> words=c.create_text(200,280,text='I am an alien!')
>>>> def steal_hat():
>>>>    c.itemconfig(hat,state=HIDDEN)
>>>>    c.itemconfig(words, text='Give me my hat back!')
>>>> 
>>>> window.attributes('-topmost',1)
>>>> 
>>>> def burp(event):
>>>>    mouth_open()
>>>>    c.itemconfig(words,text="Burp!")
>>>> c.bind_all('<Button-1>', burp)
>>>> 
>>>> c.bind_all('<KeyPress-a>',blink)
>>>> c.bind_all('<KeyPress-z>',unblink)
>>>> 
>>>> 
>>>> def eye_control(event):
>>>>    key=event.keysym
>>>>    if key=='Up':
>>>>        c.move(eyeball,0,-1)
>>>>    if key=='Down':
>>>>        c.move(eyeball,0,1)
>>>>    if key=='Left':
>>>>        c.move(eyeball,-1,0)
>>>>    if key=='Right':
>>>>        c.move(eyeball,1,0)
>>>> c.bind_all('<Key>',eye_control)
>>>> 
>>>> 
>>>> 
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