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"""This file makes every line between a --@generated and --@usercode comment
read only and the background colored in grey.
This is an example of using overlays"""
import GPS
import os.path
def on_open_generated_file(name, file):
ebuf = GPS.EditorBuffer.get()
def apply_overlay(overlay, from_line, to_line, line_len):
start_loc = ebuf.at(from_line, 1)
end_loc = ebuf.at(to_line, line_len)
ebuf.apply_overlay(overlay, start_loc, end_loc)
f_path = os.path.abspath(file.name())
f = open(f_path)
text = f.readlines()
f.close()
start = 0
start_found = False
if text[0].strip() == "--@generated":
grey = ebuf.create_overlay(f_path)
grey.set_property("background", "grey")
grey.set_property("editable", False)
for line_num, line in enumerate(text[0:]):
if not start_found and line.find('@usercode:') > -1:
apply_overlay(grey, start, line_num + 1, len(line))
start_found = True
elif start_found and line.find('@end') > -1:
start = line_num + 1
start_found = False
apply_overlay(grey, start, len(text), len(text[-1]))
GPS.Hook("file_edited").add(on_open_generated_file)
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