Bread_Editor/utils.py

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2.1 KiB
Python
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#!/usr/bin/python3
from pathlib import Path
from PyQt6.QtWidgets import QMessageBox
class Utils:
def __init__(self, app):
self.app = app
self.home_path = str(Path.home())
def popup_init(self):
self.usc_popup = QMessageBox() # create a popup window that notifies the user that we have unsaved changes
self.usc_popup.setWindowTitle("Unsaved Changes!") # usc means unsaved changes
self.usc_popup.setText("The file you are trying to close has unsaved changes.")
self.usc_popup.setStandardButtons(
QMessageBox.StandardButton.Save |
QMessageBox.StandardButton.Discard |
QMessageBox.StandardButton.Cancel
)
def unsaved_changes_popup(self):
button = self.usc_popup.exec()
match button:
case QMessageBox.StandardButton.Save:
return "save"
case QMessageBox.StandardButton.Discard:
return "discard"
case QMessageBox.StandardButton.Cancel:
return "cancel"
def bstring_to_oz(self, data): # convert binary data to a string of ones and zeros (oz)
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oz_bytes = []
for byte in data:
oz_bytes.append(format(byte, "08b"))
oz_string = " ".join(oz_bytes)
return oz_string
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def oz_string_to_bstring(self, oz_string): # convert a string of zeroes and ones to a binary string
oz_bytes = oz_string.split()
bytes_int = []
for byte in oz_bytes:
bytes_int.append(int(byte, 2))
binary_string = bytes(bytes_int)
return binary_string
def on_close(self, event):
changes = False
for file_path in self.app.open_files:
file = self.app.open_files[file_path]
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if file.bit_editor.not_saved:
changes = True
break
if changes:
save_or_not = self.unsaved_changes_popup()
match save_or_not:
case "save":
self.app.file_actions.save_all_files()
case "cancel":
event.ignore()
print("Bye!")