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Split view resize cursors for rightwards collapse.

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If the right/lower subview is collapsible and the divider is at its uncollapsed maximum position, continue showing the two way resize cursor to indicate additional movement is actually possible. Also show the shrink cursor when the mouse is over the divider to the left/above of a collapsed subview.
This commit is contained in:
Alexander Ljungberg
2011-10-23 12:51:51 +01:00
parent 3e5ea97768
commit 3efe33d2fb
1 changed files with 18 additions and 4 deletions
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AppKit/CPSplitView.j
+18 -4
View File
@@ -560,20 +560,34 @@ var CPSplitViewHorizontalImage = nil,
// If we are currently tracking, keep the resize cursor active even outside of hit areas.
if (_currentDivider === i || (_currentDivider == CPNotFound && [self cursorAtPoint:point hitDividerAtIndex:i]))
{
var frame = [_subviews[i] frame],
size = frame.size[_sizeComponent],
startPosition = frame.origin[_originComponent] + size,
var frameA = [_subviews[i] frame],
sizeA = frameA.size[_sizeComponent],
startPosition = frameA.origin[_originComponent] + sizeA,
frameB = [_subviews[i + 1] frame],
sizeB = frameB.size[_sizeComponent],
canShrink = [self _realPositionForPosition:startPosition - 1 ofDividerAtIndex:i] < startPosition,
canGrow = [self _realPositionForPosition:startPosition + 1 ofDividerAtIndex:i] > startPosition,
cursor = [CPCursor arrowCursor];
if (size === 0)
if (sizeA === 0)
canGrow = YES; // Subview is collapsed.
else if (!canShrink &&
[_delegate respondsToSelector:@selector(splitView:canCollapseSubview:)] &&
[_delegate splitView:self canCollapseSubview:_subviews[i]])
canShrink = YES; // Subview is collapsible.
if (sizeB === 0)
{
// Right/lower subview is collapsed.
canGrow = NO;
// It's safe to assume it can always be uncollapsed.
canShrink = YES;
}
else if (!canGrow &&
[_delegate respondsToSelector:@selector(splitView:canCollapseSubview:)] &&
[_delegate splitView:self canCollapseSubview:_subviews[i + 1]])
canGrow = YES; // Right/lower subview is collapsible.
if (_isVertical && canShrink && canGrow)
cursor = [CPCursor resizeLeftRightCursor];
else if (_isVertical && canShrink)