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Separated the presence of a no-stretchy view from the presence of a stretchy control. This will make experimenting easier.

This commit is contained in:
Pietro Gagliardi 2016-05-02 15:47:48 -04:00
parent 09a7fb7123
commit ac84b66724
1 changed files with 9 additions and 7 deletions
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16
darwin/box.m
View File

@ -119,15 +119,16 @@ static NSView *boxView(uiBox *b, uintmax_t n)
return (NSView *) uiControlHandle(c); return (NSView *) uiControlHandle(c);
} }
static void addRemoveNoStretchyView(uiBox *b, BOOL hasStretchy) static BOOL addRemoveNoStretchyView(uiBox *b, BOOL hasStretchy)
{ {
if (!hasStretchy) { if (!hasStretchy) {
if ([b->noStretchyView superview] == nil) if ([b->noStretchyView superview] == nil)
[b->view addSubview:b->noStretchyView]; [b->view addSubview:b->noStretchyView];
} else { return YES;
if ([b->noStretchyView superview] != nil)
[b->noStretchyView removeFromSuperview];
} }
if ([b->noStretchyView superview] != nil)
[b->noStretchyView removeFromSuperview];
return NO;
} }
// TODO do we still need to set hugging? I think we do for stretchy controls... // TODO do we still need to set hugging? I think we do for stretchy controls...
@ -139,6 +140,7 @@ static void relayout(uiBox *b)
NSView *firstStretchy = nil; NSView *firstStretchy = nil;
CGFloat padding; CGFloat padding;
NSView *prev, *next; NSView *prev, *next;
BOOL hasNoStretchyView;
n = [b->children count]; n = [b->children count];
if (n == 0) if (n == 0)
@ -180,8 +182,8 @@ static void relayout(uiBox *b)
} }
// if there is a stretchy control, add the no-stretchy view // if there is a stretchy control, add the no-stretchy view
addRemoveNoStretchyView(b, hasStretchy); hasNoStretchyView = addRemoveNoStretchyView(b, hasStretchy);
if (!hasStretchy) { if (hasNoStretchyView) {
[b->view addConstraint:mkConstraint(b->noStretchyView, b->primaryStart, [b->view addConstraint:mkConstraint(b->noStretchyView, b->primaryStart,
NSLayoutRelationEqual, NSLayoutRelationEqual,
prev, b->primaryEnd, prev, b->primaryEnd,
@ -211,7 +213,7 @@ static void relayout(uiBox *b)
1, 0, 1, 0,
@"uiBox start secondary constraint")]; @"uiBox start secondary constraint")];
} }
if (!hasStretchy) { // and again to the no-stretchy view if (hasNoStretchyView) { // and again to the no-stretchy view
[b->view addConstraint:mkConstraint(b->noStretchyView, b->secondaryStart, [b->view addConstraint:mkConstraint(b->noStretchyView, b->secondaryStart,
NSLayoutRelationEqual, NSLayoutRelationEqual,
b->view, b->secondaryStart, b->view, b->secondaryStart,