148 lines
3.7 KiB
Objective-C
148 lines
3.7 KiB
Objective-C
// 31 july 2015
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#import "osxaltest.h"
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// leave a whole lot of space around the alignment rect, just to be safe
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// TODO fine tune this
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// TODO de-duplicate this from spinbox.m
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@interface tBoxContainer : NSView
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@end
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@implementation tBoxContainer
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- (NSEdgeInsets)alignmentRectInsets
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{
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return NSEdgeInsetsMake(50, 50, 50, 50);
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}
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@end
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@implementation tBox {
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NSView *v;
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NSMutableArray *children;
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NSMutableArray *stretchy;
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BOOL vertical;
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id<tControl> parent;
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}
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- (id)tInitVertical:(BOOL)vert
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{
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self = [super init];
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if (self) {
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self->v = [[NSView alloc] initWithFrame:NSZeroRect];
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[self->v setTranslatesAutoresizingMaskIntoConstraints:NO];
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self->children = [NSMutableArray new];
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self->stretchy = [NSMutableArray new];
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self->vertical = vert;
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self->parent = nil;
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}
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return self;
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}
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- (void)tAddControl:(id<tControl>)c stretchy:(BOOL)s
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{
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[c tSetParent:self addToView:self->v relayout:NO];
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[self->children addObject:c];
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[self->stretchy addObject:[NSNumber numberWithBool:s]];
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[self tRelayout];
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}
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- (void)tSetParent:(id<tControl>)p addToView:(NSView *)sv relayout:(BOOL)relayout
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{
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self->parent = p;
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[sv addSubview:self->v];
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if (relayout)
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[self tRelayout];
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}
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// TODO spaced
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- (void)tFillAutoLayout:(tAutoLayoutParams *)p
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{
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NSMutableDictionary *views;
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__block uintmax_t i, n;
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__block tAutoLayoutParams pp;
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NSMutableString *constraint;
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BOOL firstStretchy;
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uintmax_t nStretchy;
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NSLayoutConstraintOrientation orientation;
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[self->v removeConstraints:[self->v constraints]];
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orientation = NSLayoutConstraintOrientationHorizontal;
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if (self->vertical)
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orientation = NSLayoutConstraintOrientationVertical;
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views = [NSMutableDictionary new];
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n = 0;
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[self->children enumerateObjectsUsingBlock:^(id obj, NSUInteger index, BOOL *stop) {
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id<tControl> c;
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c = (id<tControl>) obj;
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[c tFillAutoLayout:&pp];
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[views setObject:pp.view forKey:tAutoLayoutKey(n)];
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n++;
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}];
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// first string the views together
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if (self->vertical)
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constraint = [NSMutableString stringWithString:@"V:|"];
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else
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constraint = [NSMutableString stringWithString:@"H:|"];
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firstStretchy = YES;
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for (i = 0; i < n; i++) {
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NSNumber *isStretchy;
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[constraint appendString:@"["];
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[constraint appendString:tAutoLayoutKey(i)];
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isStretchy = (NSNumber *) [self->stretchy objectAtIndex:i];
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if ([isStretchy boolValue])
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if (firstStretchy) {
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firstStretchy = NO;
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nStretchy = i;
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} else {
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[constraint appendString:@"(=="];
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[constraint appendString:tAutoLayoutKey(nStretchy)];
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[constraint appendString:@")"];
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}
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[constraint appendString:@"]"];
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}
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[constraint appendString:@"|"];
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[self->v addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:constraint options:0 metrics:nil views:views]];
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// TODO do not release constraint; it's autoreleased?
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// next make the views span the full other dimension
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for (i = 0; i < n; i++) {
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if (self->vertical)
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constraint = [NSMutableString stringWithString:@"H:|["];
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else
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constraint = [NSMutableString stringWithString:@"V:|["];
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[constraint appendString:tAutoLayoutKey(i)];
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[constraint appendString:@"]|"];
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[self->v addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:constraint options:0 metrics:nil views:views]];
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// TODO do not release constraint; it's autoreleased?
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}
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[views release];
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// and now populate for self
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p->view = self->v;
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p->attachLeft = YES;
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p->attachTop = YES;
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// don't attach to the end if there weren't any stretchy controls
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// firstStretchy is NO if there was at least one stretchy control
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if (self->vertical) {
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p->attachRight = YES;
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p->attachBottom = !firstStretchy;
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} else {
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p->attachRight = !firstStretchy;
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p->attachBottom = YES;
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}
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}
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- (void)tRelayout
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{
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if (self->parent != nil)
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[self->parent tRelayout];
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}
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@end
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