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new: constrain tab stop marker dragging to preceding text boundary

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This commit is contained in:
daboe01
2026-08-26 19:01:32 +02:00
parent 378f7bbda1
commit 874792fa6e
3 changed files with 118 additions and 32 deletions
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AppKit/CPTextView/CPRulerView.j
+11 -2
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@@ -377,13 +377,17 @@ CPRulerOrientationVertical = 1;
}
else
{
// Allow client view to constrain initial placement
var client = [self clientView];
if (client && [client respondsToSelector:@selector(rulerView:willAddMarker:atLocation:)])
rulerLocation = [client rulerView:self willAddMarker:nil atLocation:rulerLocation];
var newMarker = [[CPRulerMarker alloc] initWithRulerView:self
markerLocation:rulerLocation
imageValue:rulerLocation
representedObject:nil];
[self addMarker:newMarker];
var client = [self clientView];
if (client && [client respondsToSelector:@selector(rulerView:didAddMarker:)])
[client rulerView:self didAddMarker:newMarker];
@@ -405,6 +409,12 @@ CPRulerOrientationVertical = 1;
var delta = isHorizontal ? (localPoint.x - _dragStartPoint.x) : (localPoint.y - _dragStartPoint.y),
newLocation = Math.max(0.0, _dragStartLocation + delta);
// Constrain marker location to last possible position
var client = [self clientView];
if (client && [client respondsToSelector:@selector(rulerView:willMoveMarker:toLocation:)])
newLocation = [client rulerView:self willMoveMarker:_draggingMarker toLocation:newLocation];
[_draggingMarker setImageValue:newLocation];
[self _positionMarker:_draggingMarker];
@@ -426,7 +436,6 @@ CPRulerOrientationVertical = 1;
[[_draggingMarker label] setTextColor:[CPColor colorWithWhite:0.2 alpha:1.0]];
}
var client = [self clientView];
if (client && [client respondsToSelector:@selector(rulerView:didMoveMarker:)])
[client rulerView:self didMoveMarker:_draggingMarker];
}