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33 lines
889 B
Python
33 lines
889 B
Python
"""This file makes every other line read-only.
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This is an example of using overlays"""
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# ??? For a real production script, this script should be based
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# on gs_utils.highlighter.py, which provides on-the-fly highlighting
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from GPS import parse_xml, EditorBuffer
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parse_xml(
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"""
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<action name="make lines readonly">
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<shell lang="python">readonly.make_readonly()</shell>
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</action>
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<menu action="make lines readonly">
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<title>/Tests/Make Lines Readonly</title>
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</menu>
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"""
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)
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def make_readonly():
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"""Make every other line readonly in the current file"""
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buffer = EditorBuffer.get()
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loc = buffer.at(1, 1)
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overlay = buffer.create_overlay("readonly")
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overlay.set_property("editable", False)
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while loc < buffer.end_of_buffer():
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eol = loc.end_of_line()
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buffer.apply_overlay(overlay, loc, eol - 1)
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loc = loc.forward_line(2)
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