Mirrors/servo
1
0
Fork 0
mirror of https://github.com/servo/servo.git synced 2025-07-23 07:13:52 +01:00
Code Issues Projects Releases Packages Wiki Activity

layout: Freeze flex item properly

Browse source 
Fix the currently logic that a item will freeze if it should
grow(shrink) and its basesize is less(more) than its min(max) size. Also
fix the divide by zero error when an item should shrink but it has zero
length and zero min size.
This commit is contained in:
Pu Xingyu 2016-08-06 21:31:37 +08:00
parent 414204c909
commit 2c2c60e44d
3 changed files with 5 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

7
components/layout/flex.rs
View file

@ -276,9 +276,8 @@ impl FlexLine {
// https://drafts.csswg.org/css-flexbox/#resolve-flexible-lengths // https://drafts.csswg.org/css-flexbox/#resolve-flexible-lengths
for item in items.iter_mut().filter(|i| !(i.is_strut && collapse)) { for item in items.iter_mut().filter(|i| !(i.is_strut && collapse)) {
item.main_size = max(item.min_size, min(item.base_size, item.max_size)); item.main_size = max(item.min_size, min(item.base_size, item.max_size));
if item.main_size != item.base_size if (self.free_space > Au(0) && (item.flex_grow == 0.0 || item.base_size >= item.max_size)) ||
|| (self.free_space > Au(0) && item.flex_grow == 0.0) (self.free_space < Au(0) && (item.flex_shrink == 0.0 || item.base_size <= item.min_size)) {
|| (self.free_space < Au(0) && item.flex_shrink == 0.0) {
item.is_frozen = true; item.is_frozen = true;
} else { } else {
item.is_frozen = false; item.is_frozen = false;
@ -311,7 +310,7 @@ impl FlexLine {
(item.flex_shrink * item.base_size.0 as f32 / total_scaled, item.min_size) (item.flex_shrink * item.base_size.0 as f32 / total_scaled, item.min_size)
}; };
let variation = self.free_space.scale_by(factor); let variation = self.free_space.scale_by(factor);
if variation.0.abs() > (end_size - item.main_size).0.abs() { if variation.0.abs() >= (end_size - item.main_size).0.abs() {
// Use constraint as the target main size, and freeze item. // Use constraint as the target main size, and freeze item.
total_variation += end_size - item.main_size; total_variation += end_size - item.main_size;
item.main_size = end_size; item.main_size = end_size;

3
tests/wpt/metadata-css/css-flexbox-1_dev/html/flexbox-flex-wrap-flexing.htm.ini
View file

@ -1,3 +0,0 @@
[flexbox-flex-wrap-flexing.htm]
type: reftest
expected: FAIL

3
tests/wpt/metadata-css/css-flexbox-1_dev/html/flexbox_computedstyle_min-width-auto.htm.ini
View file

@ -1,4 +1,5 @@
[flexbox_computedstyle_min-width-auto.htm] [flexbox_computedstyle_min-width-auto.htm]
type: testharness type: testharness
expected: TIMEOUT [flexbox | computed style | min-width: auto]
expected: FAIL