class MainGUI:
def __init__(self, parent):
self.container = tk.Frame(parent)
# Create four scrollable frames and add them to the container
self.SF1 = ScrollableFrame(self.container)
self.SF1.grid(row=0, column=0, sticky=tk.N + tk.E + tk.S + tk.W)
self.SF2 = ScrollableFrame(self.container,
direction='both',
scroll_sensitivity=8,
bg='green',
cursor='heart')
self.SF2.grid(row=1, column=0, sticky=tk.N + tk.E + tk.S + tk.W)
self.SF3 = ScrollableFrame(self.container,
direction='vertical',
bg='red',
cursor='circle')
self.SF3.grid(row=0, column=1, sticky=tk.N + tk.E + tk.S + tk.W)
self.SF4 = ScrollableFrame(self.container,
direction='horizontal',
bg='blue',
cursor='cross')
self.SF4.grid(row=1, column=1, sticky=tk.N + tk.E + tk.S + tk.W)
# Configure all rows and columns present to have the same weight (so they expand with the window)
tk.Grid.columnconfigure(parent, 0, weight=1)
tk.Grid.rowconfigure(parent, 0, weight=1)
tk.Grid.columnconfigure(self.container, 0, weight=1)
tk.Grid.columnconfigure(self.container, 1, weight=1)
tk.Grid.rowconfigure(self.container, 0, weight=1)
tk.Grid.rowconfigure(self.container, 1, weight=1)
# Fill each frame with a grid of labels
self.lots_of_labels(self.SF1.frame, 'default SF', (20, 20))
self.lots_of_labels(self.SF2.frame, 'green, fast scroll', (40, 10))
self.lots_of_labels(self.SF3.frame, 'red vertical', (20, 4))
self.lots_of_labels(self.SF4.frame, 'blue horizontal', (4, 20))
# Add the frame
self.container.grid(row=0, column=0, sticky=tk.N + tk.E + tk.S + tk.W)
# Add a button to demonstrate the set_direction method and direction attribute of SF
tk.Button(text='change directions',
font=('Times', 15, 'bold'),
command=self.change_dir).grid(row=2, column=0)
# Rotate through all the possibilities of scroll direction setups
def change_dir(self):
if self.SF2.direction == 'both':
self.SF2.set_direction('horizontal')
elif self.SF2.direction == 'horizontal':
self.SF2.set_direction('vertical')
elif self.SF2.direction == 'vertical':
self.SF2.set_direction('both')
# Populates a frame with a grid of labes of given text and same bg as frame
def lots_of_labels(self, parent, text, dim):
for row in range(dim[0]):
for col in range(dim[1]):
tk.Grid.columnconfigure(parent, col, weight=1)
tk.Grid.rowconfigure(parent, row, weight=1)
tk.Label(parent, fg='black', text=text,
bg=parent.cget('bg')).grid(row=row, column=col)
