itdominator
d90415bffc
- Updated folding actions and engine for more consistent behavior. - Added helper function `is_fold_hidden()` to check fold visibility state. - Improved gutter renderer to handle collapsible code blocks more reliably. - Refined tag handling for invisible folds to prevent desync issues. - Removed code fold Fix related entry in `TODO.md`.
91 lines
2.3 KiB
Python
91 lines
2.3 KiB
Python
# Python imports
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# Lib imports
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import gi
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gi.require_version("Gtk", "3.0")
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gi.require_version("GtkSource", "4")
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from gi.repository import Gtk
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from gi.repository import GtkSource
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# Application imports
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from .folding_actions import collapse_range, expand_range
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def handle_collapse(view, fold):
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collapse_range(view, fold)
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def handle_expand(view, fold):
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expand_range(view, fold)
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def handle_block_toggle(collapsed, view, fold):
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if not collapsed:
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handle_collapse(view, fold)
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else:
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handle_expand(view, fold)
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def is_fold_hidden(buffer, fold):
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iter_ = buffer.get_iter_at_line(fold["start_line"] + 1)
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tags = iter_.get_tags()
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return any(tag.get_property("invisible") for tag in tags)
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def on_query_data(renderer, start_iter, end_iter, state, view):
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line = start_iter.get_line()
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if not line in view.fold_start_set:
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renderer.set_text("", -1)
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return
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fold = next(
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(f for f in view.fold_starts if f["start_line"] == line), None
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)
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collapsed = fold and is_fold_hidden(view.get_buffer(), fold)
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renderer.set_text("▶" if collapsed else "▼", -1)
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def on_click(view, event, renderer):
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if not event.button == 1: return False
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window = view.get_window(Gtk.TextWindowType.LEFT)
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if not event.window == window: return False
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x, y = view.window_to_buffer_coords(
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Gtk.TextWindowType.LEFT, int(event.x), int(event.y)
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)
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_, iter_ = view.get_iter_at_location(x, y)
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line = iter_.get_line()
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if line not in view.fold_start_set: return False
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for fold in view.fold_starts:
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if not fold["start_line"] == line: continue
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collapsed = is_fold_hidden(view.get_buffer(), fold)
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handle_block_toggle(collapsed, view, fold)
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renderer.queue_draw()
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return True
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return False
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def setup_gutter(view):
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gutter = view.get_gutter(Gtk.TextWindowType.LEFT)
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buffer = view.get_buffer()
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view.fold_starts = []
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view.fold_start_set = set()
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renderer = GtkSource.GutterRendererText()
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renderer.set_size(12)
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renderer.set_padding(2, -1)
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renderer.query_data_id = renderer.connect("query-data", on_query_data, view)
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view.collapse_click_id = view.connect("button-press-event", on_click, renderer)
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gutter.insert(renderer, 0)
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view.fold_renderer = renderer
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