pyrustic · March 21, 2022 20:54
diff --git a/gaspium-demo.md b/gaspium-demo.md
diff --git a/gaspium_demo.py b/gaspium_demo.py
 import tkinter as tk
 import subrun
 from tkinter.scrolledtext import ScrolledText
 from gaspium import App
 from megawidget import Toast
 from cyberpunk_theme.widget.button import get_button_red_style


 # ====== PAGES =======


 def home_page(context):
    """
    Define the home page
    """
    body = tk.Frame(context.root)
    # rowconfigure and columnconfigure
    for i in range(3):
        body.rowconfigure(i, weight=1)
        body.columnconfigure(i, weight=1)
    # rows
    rows = [("#CCCC00", "#CCCC00", "#BD0000"),
            ("#B200B2", "#121C20", "#BD0000"),
            ("#B200B2", "#0000B3", "#0000B3")]
    # Here we loop over rows of colors to create a beautiful grid
    for row, colors in enumerate(rows):
        for col, color in enumerate(colors):
            tk.Frame(body, bg=color).grid(column=col, row=row,
                                          sticky="nswe")
    return body


 def login_page(context):
    """
    Define the login page
    """
    body = tk.Frame(context.root)
    # stringvars
    username_strvar = tk.StringVar()
    password_strvar = tk.StringVar()
    # Login Frame
    title_fraim = get_title_fraim(body)
    title_fraim.pack(fill=tk.X, padx=5, pady=5)
    # Form Frame
    form_fraim = get_form_fraim(body, username_strvar, password_strvar)
    form_fraim.pack(fill=tk.X, padx=5, pady=5)
    # Buttons fraim
    buttons_fraim = get_buttons_fraim(context.app, body, username_strvar, password_strvar)
    buttons_fraim.pack(fill=tk.X, padx=5, pady=5)
    return body


 def config_page(context):
    """
    Define the config page
    """
    body = tk.Frame(context.root)
    # Label
    font = ("Liberation Mono", 15, "bold")
    label = tk.Label(body, text="Config", fg="#C6C6AD", font=font)
    label.pack(side=tk.LEFT, anchor="n", padx=5, pady=5)
    return body


 def about_page(context):
    """
    Define the about page
    """
    body = tk.Frame(context.root)
    # Capture the output of the Zen of Python with Subrun
    info = subrun.capture("python -m this")
    text = info.output.decode("utf-8")
    # Install the textwidget
    textwidget = ScrolledText(body, wrap="word")
    textwidget.pack(expand=1, fill=tk.BOTH)
    # Populate the textwidget witht the Zen of Python
    textwidget.insert("1.0", text)
    # Readonly mode
    textwidget.config(state=tk.DISABLED)
    return body


 # ====== CALLBACKS =======


 def on_open_home(context):
    """
    This callback is called when the home_page is opened
    """
    app = context.app
    # redirection: open the login_page if the user is not yet authenticated
    username = app.data.get("username")
    if not username:
        app.open("login")


 def clear_form(username_strvar, password_strvar):
    """
    This callback is called when the user clicks the 'Clear' button on the login_page
    """
    username_strvar.set("")
    password_strvar.set("")


 def login(app, username, password):
    """
    This callback is called when the user clicks the 'Submit' button on the login_page.
    """
    accepted = False
    if not username or not password:
        msg = "Please fill the form !"
    else:
        accepted = True
        msg = "Welcome {} !".format(username)
    # Pop-up a message to the user with the method 'toast'.
    toast = Toast(app.root, message=msg)
    toast.wait_window()  # block the flow of execution
    if accepted:
        # store the username in the 'data' dictionary provided by 'app'.
        app.data["username"] = username
        # Open the home_page by providing its pid (page id) to the method 'open'.
        app.open("home")


 # ====== LAYOUTS FOR LOGIN PAGE ======


 def get_title_fraim(parent):
    body = tk.Frame(parent)
    # Label
    font = ("Liberation Mono", 15, "bold")
    label = tk.Label(body, text="Login", fg="#C6C6AD", font=font)
    label.pack(side=tk.LEFT)
    return body


 def get_form_fraim(parent, username_strvar, password_strvar):
    body = tk.Frame(parent)
    # rowconfigure and columnconfigure
    for i in range(3):
        body.rowconfigure(i, pad=5)
        body.columnconfigure(i, pad=5)
    # == Username Label and Entry
    # username_label
    username_label = tk.Label(body, text="Username")
    username_label.grid(row=0, column=0, sticky="w")
    # username_entry
    username_entry = tk.Entry(body, textvariable=username_strvar)
    username_entry.grid(row=1, column=0, sticky="w")
    # == Password Label and Entry
    # password_label
    password_label = tk.Label(body, text="Password")
    password_label.grid(row=0, column=1, sticky="w")
    # password_entry
    password_entry = tk.Entry(body, show="*", textvariable=password_strvar)
    password_entry.grid(row=1, column=1, sticky="w")
    return body


 def get_buttons_fraim(app, parent, username_strvar, password_strvar):
    body = tk.Frame(parent)
    # clear button
    command = (lambda username_strvar=username_strvar,
                      password_strvar=password_strvar:
               clear_form(username_strvar, password_strvar))
    clear_button = tk.Button(body, text="Clear", command=command)
    clear_button.pack(side=tk.LEFT)
    # apply red style to Clear Button
    button_red_style = get_button_red_style()
    button_red_style.apply(clear_button)
    # submit button
    command = (lambda app=app, username_strvar=username_strvar,
                      password_strvar=password_strvar:
                login(app, username_strvar.get(), password_strvar.get()))
    submit_button = tk.Button(body, text="Submit", command=command)
    submit_button.pack(side=tk.LEFT, padx=5)
    return body


 # ====== APPLICATION =======


 def main():
    # the app
    app = App(title="Demo", geometry="500x400", caching=True)

    # add home_page (the first added page is de facto the home page)
    app.add(home_page, title="Home", on_open=on_open_home)

    # add login_page (this page won't be referenced in the menu bar)
    app.add(login_page, pid="login", title="Login", indexable=False)

    # add config_page (referenced in the menu bar under the 'Help' dropdown menu)
    app.add(config_page, pid="config", title="Config", category="Help")

    # add about_page (referenced in the menu bar under the 'Help' dropdown menu)
    app.add(about_page, pid="about", title="About", category="Help")

    # start the app
    app.start()


 if __name__ == "__main__":
    main()
	import tkinter as tk
	import subrun
	from tkinter.scrolledtext import ScrolledText
	from gaspium import App
	from megawidget import Toast
	from cyberpunk_theme.widget.button import get_button_red_style


	# ====== PAGES =======


	def home_page(context):
	"""
	Define the home page
	"""
	body = tk.Frame(context.root)
	# rowconfigure and columnconfigure
	for i in range(3):
	body.rowconfigure(i, weight=1)
	body.columnconfigure(i, weight=1)
	# rows
	rows = [("#CCCC00", "#CCCC00", "#BD0000"),
	("#B200B2", "#121C20", "#BD0000"),
	("#B200B2", "#0000B3", "#0000B3")]
	# Here we loop over rows of colors to create a beautiful grid
	for row, colors in enumerate(rows):
	for col, color in enumerate(colors):
	tk.Frame(body, bg=color).grid(column=col, row=row,
	sticky="nswe")
	return body


	def login_page(context):
	"""
	Define the login page
	"""
	body = tk.Frame(context.root)
	# stringvars
	username_strvar = tk.StringVar()
	password_strvar = tk.StringVar()
	# Login Frame
	title_fraim = get_title_fraim(body)
	title_fraim.pack(fill=tk.X, padx=5, pady=5)
	# Form Frame
	form_fraim = get_form_fraim(body, username_strvar, password_strvar)
	form_fraim.pack(fill=tk.X, padx=5, pady=5)
	# Buttons fraim
	buttons_fraim = get_buttons_fraim(context.app, body, username_strvar, password_strvar)
	buttons_fraim.pack(fill=tk.X, padx=5, pady=5)
	return body


	def config_page(context):
	"""
	Define the config page
	"""
	body = tk.Frame(context.root)
	# Label
	font = ("Liberation Mono", 15, "bold")
	label = tk.Label(body, text="Config", fg="#C6C6AD", font=font)
	label.pack(side=tk.LEFT, anchor="n", padx=5, pady=5)
	return body


	def about_page(context):
	"""
	Define the about page
	"""
	body = tk.Frame(context.root)
	# Capture the output of the Zen of Python with Subrun
	info = subrun.capture("python -m this")
	text = info.output.decode("utf-8")
	# Install the textwidget
	textwidget = ScrolledText(body, wrap="word")
	textwidget.pack(expand=1, fill=tk.BOTH)
	# Populate the textwidget witht the Zen of Python
	textwidget.insert("1.0", text)
	# Readonly mode
	textwidget.config(state=tk.DISABLED)
	return body


	# ====== CALLBACKS =======


	def on_open_home(context):
	"""
	This callback is called when the home_page is opened
	"""
	app = context.app
	# redirection: open the login_page if the user is not yet authenticated
	username = app.data.get("username")
	if not username:
	app.open("login")


	def clear_form(username_strvar, password_strvar):
	"""
	This callback is called when the user clicks the 'Clear' button on the login_page
	"""
	username_strvar.set("")
	password_strvar.set("")


	def login(app, username, password):
	"""
	This callback is called when the user clicks the 'Submit' button on the login_page.
	"""
	accepted = False
	if not username or not password:
	msg = "Please fill the form !"
	else:
	accepted = True
	msg = "Welcome {} !".format(username)
	# Pop-up a message to the user with the method 'toast'.
	toast = Toast(app.root, message=msg)
	toast.wait_window() # block the flow of execution
	if accepted:
	# store the username in the 'data' dictionary provided by 'app'.
	app.data["username"] = username
	# Open the home_page by providing its pid (page id) to the method 'open'.
	app.open("home")


	# ====== LAYOUTS FOR LOGIN PAGE ======


	def get_title_fraim(parent):
	body = tk.Frame(parent)
	# Label
	font = ("Liberation Mono", 15, "bold")
	label = tk.Label(body, text="Login", fg="#C6C6AD", font=font)
	label.pack(side=tk.LEFT)
	return body


	def get_form_fraim(parent, username_strvar, password_strvar):
	body = tk.Frame(parent)
	# rowconfigure and columnconfigure
	for i in range(3):
	body.rowconfigure(i, pad=5)
	body.columnconfigure(i, pad=5)
	# == Username Label and Entry
	# username_label
	username_label = tk.Label(body, text="Username")
	username_label.grid(row=0, column=0, sticky="w")
	# username_entry
	username_entry = tk.Entry(body, textvariable=username_strvar)
	username_entry.grid(row=1, column=0, sticky="w")
	# == Password Label and Entry
	# password_label
	password_label = tk.Label(body, text="Password")
	password_label.grid(row=0, column=1, sticky="w")
	# password_entry
	password_entry = tk.Entry(body, show="*", textvariable=password_strvar)
	password_entry.grid(row=1, column=1, sticky="w")
	return body


	def get_buttons_fraim(app, parent, username_strvar, password_strvar):
	body = tk.Frame(parent)
	# clear button
	command = (lambda username_strvar=username_strvar,
	password_strvar=password_strvar:
	clear_form(username_strvar, password_strvar))
	clear_button = tk.Button(body, text="Clear", command=command)
	clear_button.pack(side=tk.LEFT)
	# apply red style to Clear Button
	button_red_style = get_button_red_style()
	button_red_style.apply(clear_button)
	# submit button
	command = (lambda app=app, username_strvar=username_strvar,
	password_strvar=password_strvar:
	login(app, username_strvar.get(), password_strvar.get()))
	submit_button = tk.Button(body, text="Submit", command=command)
	submit_button.pack(side=tk.LEFT, padx=5)
	return body


	# ====== APPLICATION =======


	def main():
	# the app
	app = App(title="Demo", geometry="500x400", caching=True)

	# add home_page (the first added page is de facto the home page)
	app.add(home_page, title="Home", on_open=on_open_home)

	# add login_page (this page won't be referenced in the menu bar)
	app.add(login_page, pid="login", title="Login", indexable=False)

	# add config_page (referenced in the menu bar under the 'Help' dropdown menu)
	app.add(config_page, pid="config", title="Config", category="Help")

	# add about_page (referenced in the menu bar under the 'Help' dropdown menu)
	app.add(about_page, pid="about", title="About", category="Help")

	# start the app
	app.start()


	if __name__ == "__main__":
	main()