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Wiresheet: keep off-sheet input knobs on the sheet

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A box with a link arriving from another sheet draws a knob on its left
edge. Tidy Layout moves the first column one grid step in when any of its
boxes has one, and dragging and arrow nudges stop such a box one step
inside the margin, so the knob never sits out in the grey.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Arda
2026-10-18 15:34:27 +03:00
co-authored by Claude Opus 5.5
parent 0d5e5115d9
commit 0dddea53f8
3 changed files with 48 additions and 6 deletions
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main.py
+11 -5
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@@ -2135,14 +2135,17 @@ def on_canvas_drag(event):
dy = cy - app_state.drag_data["y"]
xs = [entry["origin"][0] for entry in group]
ys = [entry["origin"][1] for entry in group]
dx = min(limit - max(xs), max(margin - min(xs), dx))
# A box with an off-sheet input stops a step further in, keeping its knob on the sheet.
left = wiresheet.box_left_limits([entry["tag"] for entry in group], margin, step)
dx = min(limit - max(xs),
max(max(left[e["tag"]] - e["origin"][0] for e in group), dx))
dy = min(limit - max(ys), max(margin - min(ys), dy))
shifted = False
for entry in group:
# Land each box on a step every step of the way.
start_x, start_y = entry["origin"]
target_x = min(limit, max(margin, round((start_x + dx) / step) * step))
target_x = min(limit, max(left[entry["tag"]], round((start_x + dx) / step) * step))
target_y = min(limit, max(margin, round((start_y + dy) / step) * step))
origin = wiresheet.get_box_origin(entry["tag"])
if origin is None:
@@ -2178,6 +2181,7 @@ def on_canvas_release(event):
changes = []
failed = []
left = wiresheet.box_left_limits([entry["tag"] for entry in group], margin, step)
for entry in group:
group_tag = entry["tag"]
origin = wiresheet.get_box_origin(group_tag)
@@ -2185,7 +2189,7 @@ def on_canvas_release(event):
continue
current_x, current_y = origin
snapped_x = min(limit, max(margin, round(current_x / step) * step))
snapped_x = min(limit, max(left[group_tag], round(current_x / step) * step))
snapped_y = min(limit, max(margin, round(current_y / step) * step))
shift_x = snapped_x - current_x
@@ -2255,9 +2259,11 @@ def nudge_selected_boxes(dx, dy):
origins = {t: wiresheet.get_box_origin(t) for t in tags}
if any(o is None for o in origins.values()):
return "break"
# The group stops as one at the margin strip and the sheet's far edge.
# The group stops as one at the margin strip and the sheet's far edge; a box with an
# off-sheet input stops a step further in, keeping its knob on the sheet.
left = wiresheet.box_left_limits(tags, margin, step)
shift_x = min(limit - max(o[0] for o in origins.values()),
max(margin - min(o[0] for o in origins.values()), dx * step))
max(max(left[t] - o[0] for t, o in origins.items()), dx * step))
shift_y = min(limit - max(o[1] for o in origins.values()),
max(margin - min(o[1] for o in origins.values()), dy * step))
if not shift_x and not shift_y: