import tkinter as tk
import tkinter.ttk as ttk
from textarea import TextArea
from linenumbers import LineNumbers
from highlighter import Highlighter
from findwindow import FindWindow
class MainWindow(tk.Tk):
def __init__(self):
super().__init__()
self.text_area = TextArea(self, bg="white", fg="black", undo=True)
self.scrollbar = ttk.Scrollbar(orient="vertical", command=self.scroll_text)
self.text_area.configure(yscrollcommand=self.scrollbar.set)
self.line_numbers = LineNumbers(self, self.text_area, bg="grey", fg="white", width=1)
self.highlighter = Highlighter(self.text_area, 'languages/python.yaml')
self.scrollbar.pack(side=tk.RIGHT, fill=tk.Y)
self.line_numbers.pack(side=tk.LEFT, fill=tk.Y)
self.text_area.pack(side=tk.LEFT, fill=tk.BOTH, expand=1)
self.bind_events()
def bind_events(self):
self.text_area.bind("<MouseWheel>", self.scroll_text)
self.text_area.bind("<Button-4>", self.scroll_text)
self.text_area.bind("<Button-5>", self.scroll_text)
self.bind('<Control-f>', self.show_find_window)
self.line_numbers.bind("<MouseWheel>", lambda e: "break")
self.line_numbers.bind("<Button-4>", lambda e: "break")
self.line_numbers.bind("<Button-5>", lambda e: "break")
def scroll_text(self, *args):
if len(args) > 1:
self.text_area.yview_moveto(args[1])
self.line_numbers.yview_moveto(args[1])
else:
event = args[0]
if event.delta:
move = -1 * (event.delta / 120)
else:
if event.num == 5:
move = 1
else:
move = -1
self.text_area.yview_scroll(int(move), "units")
self.line_numbers.yview_scroll(int(move) * 3, "units")
def show_find_window(self, event=None):
FindWindow(self.text_area)
if __name__ == '__main__':
mw = MainWindow()
mw.mainloop()
