Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

ASTextNode2 to ignore certain text alignments while calculating intrinsic size #1166

Merged
merged 4 commits into from
Oct 11, 2018
Merged

ASTextNode2 to ignore certain text alignments while calculating intrinsic size #1166

Show file tree
Hide file tree
Changes from 2 commits
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
a139d66
Fix ASTextNode2 to ignore certain alignments while calculating intrin…
nguyenhuy Oct 10, 2018
2daeff6
Merge branch 'master' into HN-ASTextNode2-Alignment-Inf-Width
nguyenhuy Oct 11, 2018
fbd6276
Address Kevin's comments
nguyenhuy Oct 11, 2018
24365db
Tiny changes
nguyenhuy Oct 11, 2018
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
1 change: 1 addition & 0 deletions CHANGELOG.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -55,6 +55,7 @@
- [ASCollectionView] Fix a crash that is caused by clearing a collection view's data while it's still being used. [Huy Nguyen](https://github.com/nguyenhuy) [#1154](https://github.com/TextureGroup/Texture/pull/1154)
- Clean up timing of layout tree flattening/ copying of unflattened tree for Weaver. [Michael Zuccarino](https://github.com/mikezucc) [#1157](https://github.com/TextureGroup/Texture/pull/1157)
- Fix crash setting attributed text on multiple threads [Michael Schneider](https://github.com/maicki)
- [ASTextNode2] Ignore certain text alignments while calculating intrinsic size [Huy Nguyen](https://github.com/nguyenhuy) [#1166](https://github.com/TextureGroup/Texture/pull/1166)

## 2.7
- Fix pager node for interface coalescing. [Max Wang](https://github.com/wsdwsd0829) [#877](https://github.com/TextureGroup/Texture/pull/877)
Expand Down
38 changes: 27 additions & 11 deletions Source/ASTextNode2.mm
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -234,9 +234,12 @@ - (CGSize)calculateSizeThatFits:(CGSize)constrainedSize

_textContainer.size = constrainedSize;
[self _ensureTruncationText];


// If constrained width is max/inf, the text node is calculating its intrinsic size.
const BOOL calculatingIntrinsicSize = (_textContainer.size.width >= ASTextContainerMaxSize.width);
Copy link
Member

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Does Texture ever use the isVerticalForm property? We should probably just delete it, but if not maybe check for it here.


NSMutableAttributedString *mutableText = [_attributedText mutableCopy];
[self prepareAttributedString:mutableText];
[self prepareAttributedString:mutableText forIntrinsicSize:calculatingIntrinsicSize];
ASTextLayout *layout = [ASTextNode2 compatibleLayoutWithContainer:_textContainer text:mutableText];

return layout.textBoundingSize;
Expand Down Expand Up @@ -321,18 +324,31 @@ - (NSArray *)exclusionPaths
return _textContainer.exclusionPaths;
}

- (void)prepareAttributedString:(NSMutableAttributedString *)attributedString
- (void)prepareAttributedString:(NSMutableAttributedString *)attributedString forIntrinsicSize:(BOOL)isForIntrinsicSize
Copy link
Member

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

This method name implies the second parameter is a CGSize, to me something like isForIntrinsicSize would imply a BOOL.

{
ASLockScopeSelf();
// Apply paragraph style if needed

// Apply/Fix paragraph style if needed
[attributedString enumerateAttribute:NSParagraphStyleAttributeName inRange:NSMakeRange(0, attributedString.length) options:kNilOptions usingBlock:^(NSParagraphStyle *style, NSRange range, BOOL * _Nonnull stop) {
if (style == nil || style.lineBreakMode == _truncationMode) {

const BOOL applyTruncationMode = (style != nil && style.lineBreakMode != _truncationMode);
// Only "left" and "justified" alignments are supported while calculating intrinsic size.
// Other alignments such as "right" and "center" causes the text to be bigger than needed and thus should be ignored/overridden.
const BOOL forceLeftAlignment = (style != nil
&& isForIntrinsicSize
&& style.alignment != NSTextAlignmentLeft
&& style.alignment != NSTextAlignmentJustified);
if (!applyTruncationMode && !forceLeftAlignment) {
return;
}

NSMutableParagraphStyle *paragraphStyle = [style mutableCopy] ?: [[NSMutableParagraphStyle alloc] init];
paragraphStyle.lineBreakMode = _truncationMode;

NSMutableParagraphStyle *paragraphStyle = [style mutableCopy];
if (applyTruncationMode) {
paragraphStyle.lineBreakMode = _truncationMode;
}
if (forceLeftAlignment) {
paragraphStyle.alignment = NSTextAlignmentLeft;
}
[attributedString addAttribute:NSParagraphStyleAttributeName value:paragraphStyle range:range];
}];

Expand Down Expand Up @@ -364,8 +380,8 @@ - (NSObject *)drawParametersForAsyncLayer:(_ASDisplayLayer *)layer
copiedContainer.size = self.bounds.size;
[copiedContainer makeImmutable];
NSMutableAttributedString *mutableText = [_attributedText mutableCopy] ?: [[NSMutableAttributedString alloc] init];
[self prepareAttributedString:mutableText];

[self prepareAttributedString:mutableText forIntrinsicSize:NO];

return @{
@"container": copiedContainer,
Expand Down