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Add container and methods needed to manage views

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This commit is contained in:
Gregory John Casamento 2021-05-17 23:56:42 -04:00
parent c67a284440
commit 8814229de5
1 changed files with 58 additions and 11 deletions
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69
Source/NSStackView.m
View file

@ -25,19 +25,46 @@
#import "AppKit/NSStackView.h"
#import "GSFastEnumeration.h"
@interface NSView (Private)
- (void) _insertSubview: (NSView *)sv atIndex: (NSUInteger)idx;
@interface NSView (__NSViewPrivateMethods__)
- (void) _insertSubview: (NSView *)sv atIndex: (NSUInteger)idx; // implemented in NSView.m
@end
@interface NSView (__StackViewPrivate__)
- (void) insertView: (NSView *)v atIndex: (NSUInteger)i;
- (void) removeAllSubviews;
- (void) addSubviews: (NSArray *)views;
@end
@implementation NSView (__StackViewPrivate__)
- (void) insertView: (NSView *)v atIndex: (NSUInteger)i
{
[self _insertSubview: v atIndex: i];
}
- (void) removeAllSubviews
{
NSArray *subviews = [self subviews];
FOR_IN(NSView*, v, subviews)
{
[v removeFromSuperview];
}
END_FOR_IN(subviews);
}
- (void) addSubviews: (NSArray *)views
{
FOR_IN(NSView*, v, views)
{
[self addSubview: v];
}
END_FOR_IN(views);
}
@end
@interface NSStackViewContainer : NSView
- (void) insertView: (NSView *)v atIndex: (NSUInteger)i;
@end
@implementation NSStackViewContainer
- (void) insertView: (NSView *)v atIndex: (NSUInteger)i
{
[super _insertSubview: v atIndex: i];
}
@end
@implementation NSStackView
@ -318,7 +345,7 @@
break;
default:
[NSException raise: NSInternalInconsistencyException
format: @"Attempt to add view %@ to unknown container.", view];
format: @"Attempt to add view %@ to unknown container %ld.", view, gravity];
break;
}
[self _refreshView];
@ -339,7 +366,7 @@
break;
default:
[NSException raise: NSInternalInconsistencyException
format: @"Attempt insert view %@ at index %ld into unknown container.", view, index];
format: @"Attempt insert view %@ at index %ld into unknown container %ld.", view, index, gravity];
break;
}
[self _refreshView];
@ -367,7 +394,7 @@
break;
default:
[NSException raise: NSInternalInconsistencyException
format: @"Attempt get array of views from unknown gravity."];
format: @"Attempt get array of views from unknown gravity %ld.", gravity];
break;
}
return result;
@ -375,11 +402,32 @@
- (void)setViews: (NSArray *)views inGravity: (NSStackViewGravity)gravity
{
switch (gravity)
{
case NSStackViewGravityTop: // or leading...
[_beginningContainer removeAllSubviews];
[_beginningContainer addSubviews: views];
break;
case NSStackViewGravityCenter:
[_middleContainer removeAllSubviews];
[_middleContainer addSubviews: views];
break;
case NSStackViewGravityBottom:
[_endContainer removeAllSubviews];
[_endContainer addSubviews: views];
break;
default:
[NSException raise: NSInternalInconsistencyException
format: @"Attempt set array of views %@ into unknown gravity %ld.", views, gravity];
break;
}
[self _refreshView];
}
- (void) setViews: (NSArray *)views
{
ASSIGN(_arrangedSubviews, views);
[self _refreshView];
}
- (NSArray *) views
@ -571,4 +619,3 @@
@end