Okay, here’s a dumb question… How do you make a stack view actually stack
things? When I add subviews into a stack view, instead of appearing one after
another as I expect, they’re all laid on top of one another.
I created a sample program with one window filled with a scroll view, and
inside that a stack view. My Document class just throws in a bunch of subviews
(quickies made with NSBox), and no matter what layout alignment I choose, they
appear overlaid on one another. Here’s the bit of code that matters:
@interface Document ()
@property (weak) IBOutlet NSStackView* theStack;
@property NSArray* heightArray;
@end
@implementation Document
- (instancetype)init {
self = [super init];
if (self) {
self.heightArray = @[ @50, @70, @25, @90, @25, @150, @50, @200, @30, @75,
@25, @90, @150, @300, @80, @50 ];
}
return self;
}
- (void)windowControllerDidLoadNib:(NSWindowController *)aController {
[super windowControllerDidLoadNib:aController];
// Add any code here that needs to be executed once the windowController has
loaded the document's window.
self.theStack.alignment = NSLayoutAttributeBottom;
unsigned long count = [self.heightArray count];
for ( unsigned long ix = 0; ix < count; ++ix ) {
NSRect rect = CGRectMake(0, 0, 75, [[self.heightArray objectAtIndex: ix]
doubleValue] );
NSBox* box = [[NSBox alloc] initWithFrame: rect];
box.fillColor = [NSColor blueColor];
box.borderType = NSLineBorder;
box.borderWidth = 20;
box.borderColor = [NSColor magentaColor];
box.titlePosition = NSNoTitle;
[self.theStack insertView:box atIndex:ix
inGravity:NSStackViewGravityCenter];
}
}
—
Charles Jenkins
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