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More work on splits drag resize

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Kovid Goyal
2026-03-02 16:43:21 +05:30
parent c3d26f1cf0
commit ba8a8a0980
1 changed files with 15 additions and 3 deletions
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kitty/layout/splits.py
+15 -3
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@@ -766,6 +766,7 @@ class Splits(Layout):
self, click_window: WindowType, x: float, y: float, edges: int, all_windows: WindowList,
) -> WindowResizeDragData:
is_right, is_bottom = bool(edges & RIGHT_EDGE), bool(edges & BOTTOM_EDGE)
is_leading_edge = not (is_right or is_bottom)
ans = WindowResizeDragData(None, is_right, None, is_bottom)
if (wg := all_windows.group_for_window(click_window)) is None or (pair := self.pairs_root.pair_for_window(wg.id)) is None:
return ans
@@ -777,19 +778,30 @@ class Splits(Layout):
pair_parent_map[p.two] = p
p = pair
def size_increases_forwards(p: Pair) -> bool:
is_leading_edge = not (is_right or is_bottom)
in_leading_half = not p.is_group_on_second(wg.id)
if p is pair:
return is_leading_edge != in_leading_half
parent = pair_parent_map.get(p) or Pair()
if parent.horizontal != p.horizontal and is_leading_edge:
return True
return not in_leading_half
def pair_or_parent(p: Pair) -> tuple[Pair, bool]:
in_leading_half = not p.is_group_on_second(wg.id)
if is_leading_edge == in_leading_half and p is pair and (parent := pair_parent_map[p]).horizontal == p.horizontal:
# special case for leading edge of one or trailing edge of two with parent being same orientation
return parent, True
return p, size_increases_forwards(p)
while ans.horizontal_id is None or ans.vertical_id is None:
if p.is_redundant:
continue
if ans.horizontal_id is None and p.horizontal:
ans = ans._replace(horizontal_id=id(p), width_increases_rightwards=size_increases_forwards(p))
p, fwd = pair_or_parent(p)
ans = ans._replace(horizontal_id=id(p), width_increases_rightwards=fwd)
if ans.vertical_id is None and not p.horizontal:
ans = ans._replace(vertical_id=id(p), height_increases_downwards=size_increases_forwards(p))
p, fwd = pair_or_parent(p)
ans = ans._replace(vertical_id=id(p), height_increases_downwards=fwd)
if (parent := pair_parent_map.get(p)) is None:
break
p = parent