Scope's GUI made simple

Last time, I assembled A Python object representative A Laugh oscilloscope. Manipulate THE object communicated with THE scope on THE network. But My original aim was has build A little Graphic interface window has sit following has THE scope the Web interface. Had I blocked with C++ Or even VS, I would be probably to have just by default has Qt Or maybe FLTK. I have used WxWidgets, Also, And other that how a lot "additional" things You to want, these are all easy enough has to use. However, I had writing THE coded In Python, SO I had has TO DO A choice.

Granted, a lot of these tool boxes to have Python bindings — PyQt, Py side, And wxPython come has spirit. However, THE de facto Graphic interface frame For Python East Tkinter, A packaging around THANKS that East relatively simple has to use. SO, I elected has go with that. I did consider PySimpleGUI, which East, as THE name implied, simple. He East attractive because he wraps tkinter, Qt, WxPython, Or Remi (another toolbox), SO You don't do it to have has take A immediately. However, I decided has stay conservative And blocked with Tkinter. PySimpleGUI do to have A very sophisticated Graphic interface designate, however.

About Tkinter

THE Tkinter toolbox let's allow You create widgets (as buttons, For example) And give them A parent, such as A window Or A frame. There East A high level window that you go probably to start with. Once You create A widget, You TO DO he appear In THE parent widget using A of three layout methods:

Absolute Or relative contact details In THE container "Pack" has THE high, down, LEFT, Or RIGHT of THE container Row And column contact details, to treat THE container as A grid

THE main window East available Since THE THANKS() method:

import tkinter as tk root=tk.Tk() root.title('Example program') button=tkButton(root, text="Goodbye!", command=root.destroy) button.pack(side='left') root.mainloop()

It is about THE The easiest example. Do A button And close THE program When You push he. THE main loop call handles THE event loop common In Graphic interface programs.

More recent Widgets

A few tkinter widgets look old fashioned, but more recent variants can automatically replace THE old those. THE new widgets are packed up as tkinter.ttk. These new widgets to have light differences, but most of THE basic facility remains THE even. THE appearance functions are different, However. For example, A normal button uses fg And bg has together THE foreground And background colors. A ttk button uses A style system that East more complex has together up, but Also more powerful.

He East dead simple has to use THE new widgets. Normally, you would have import THE entire Graphic interface library with A import. You can import ttk Since THE tkinter module And SO refer has THE widgets explicitly (For example., ttk.Button). However, he East common has simply import All Since tkinter And SO to use tkinter.ttk has override Nothing that East In THE ttk library. For example:

from tkinter import * from tkinter.ttk import *

NOW, each reference has Button, For example, will solve has ttk.Button. There are 18 "new" widgets, including a few that don't do it appear In THE original tkinter, as Combo box And Tree view.

Graphic interface Builder?

I begin out look For A GOOD Graphic interface constructor For tkinter And I doesn't Really find a lot. There is A website that doesn't seem has work GOOD (And doesn't handle ttk), A project that uses A paid Graphic interface constructor And SO translated It is to go out has tkinter, And PAGE.

PAGE East In fact not bad but A little eccentric. What I doesn't as was that he do THE ordinary placement layout, which means A form You design could look bad on a few Machinery due has Character font sizes Or other factors. SO A button could be put has, say, 0.034 X 0.267 Since THE high corner of It is container. In other words, 3.4% through And 26.7% down. However, if You spend a few time with he, he do work And probably generates coded that looks All right more that he failed has give back good.

However, I Finally decided just has build THE Graphic interface manually. He is not it that hard. If You to want A simple experience, check out PySimpleGUI I mentioned earlier. THE layout there East A list of lists. Each list East A row In THE Graphic interface. It is he. SO: [ [ Row_1_column_1, Line 1, column_2,...],[Line_2_column_1,....],...]. It is very simple has agreement with. But TO DO he directly In tkinter East not bad, neither.

Layout

I We...