We were incorrectly using the inner main size of the flex container
instead of the avilable space in some parts of the remaining space
calculation. This meant that the algorithm only worked correctly
for definite available space in the main axis.
If we've already established the used width for a flex item, we need
to take it into account when calculating the min-content and max-content
heights for that item.
We were already doing this when calculating cross sizes. This patch adds
the same consideration for main sizes.
Previously block auto height calculation was changed to skip boxes with
collapsed margins and then condition to skip anonymous boxes with no
lines was also removed in 6c5ba10bb0 to
avoid skipping anonymous wrappers of tables.
Skipping boxes with collapsed margins (currently it's check that
height is 0) is wrong because it makes empty boxes with clearance to
be skipped which is not correct while anonymous boxes with no lines
should be skipped and it's no longer causes problems with tables
(fixed in 87f0e835eb)
Commit 7dc0edcb86 was supposed to prevent
floats from being placed higher than preceding boxes but the change
turned out to be completely wrong and caused regressions because:
1. Call to `clear()` in `layout_block_level_children` would reset
floating boxes only after layout of box with _not_ inline children
although the same should happen after layout of IFC.
2. `clear()` causes offset y of floats to be reset but it also clears
all currently enocuntered floating boxes which means the next box
that has actual clearance will get wrong y position.
There is a problem with current approach where overflow clip rectange is
calculated by aggregating intersection of absolute padding boxes of
boxes in containing block chain that resulting rectangle doesn't
respect transform properties.
To solve this problem `PaintableBox` is changed to store clip rectangle
saved from painter because it does respect transform properties of all
previously applied clip rectangles.
Here .to_string() was being called, which gives an ErrorOr<String>,
then .value() was called on that without any checks. Cases like this
should at least be .release_value_but_fixme_should_propagate_errors()
which makes it clear the error is ignored, but here it's easy to
propagate.
Per CSS-SIZING-3, the min-content block size should be equivalent to the
max-content block size for some boxes.
Honoring this gives more correct results, and avoids unnecessary work in
many cases since the cached max-content size can be reused.
Grid containers were incorrectly represented as BlockContainer before.
Furthermore, GridFormattingContext had a bogus inheritance relationship
with BlockFormattingContext.
This patch brings our architecture closer to spec by making grid
containers be plain boxes and making GFC not inherit from BFC.
This gets:
- CanvasRenderingContext2D.createLinearGradient()
- CanvasRenderingContext2D.createConicGradient()
- CanvasRenderingContext2D.createRadialGradient()
Actually working as fill styles for paths and rectangles :^)
Getting them working for strokes is left as an exercise is
left as an exercise for the reader.
There is a difference in y offset position calculation for floats when
LineBuilder provides final y position while for blocks it needs to be
adjusted by `y_offset`. This difference already accounted in floating
box position calculation and this patch also makes it accounted in check
whether a floating boxes on the same line intersect between each other.
If valid grid-template-areas were given, then place grid items within
these areas. Grid-template-areas take precedence over named line
tracks, meaning if there are grid-areas as well as named tracks, should
use the grid-areas.
When starting the GridFormattingContext, calculate the valid grid areas
as declared in the `grid-template-areas` property. Since this doesn't
change, are able to do this once and store the results.
In some sections of the code, previously would use the values passed to
`grid-column-start`, `grid-row-end`, etc. literally. Since these values
start at grid-column 1 instead of 0 (as represented in most areas in
the code), this made the code unnecessarily complicated.
Now the values are zero-indexed from the getgo.
1. Don't use double_hash. This is not for doubles, as its name implies.
2. Specialize traits and formatters using the underlying DistinctNumeric
type of Web::DevicePixels and Web::CSSPixels.
Change `compute_auto_height_for_block_level_element` to use max height
(`m_automatic_content_height` produced from TFC) for tables with auto
height which is more correct behaviour than treating them like block
containers.
This includes:
- Moving it from Bindings/ to HTML/
- Renaming it from LocationObject to Location
- Removing the manual definitions of the constructor and prototype
- Removing special handling of the Location interface from the bindings
generator
- Converting the JS_DEFINE_NATIVE_FUNCTIONs to regular functions
returning DeprecatedString instead of PrimitiveString
- Adding missing (no-op) setters for the various attributes, which are
expected to exist by the bindings generator
We weren't properly creating a `LoadRequest` which resulted in `m_page`
not having a value in certain situations inside
`ResourceLoader::load(LoadRequest&)`
CSS 2.2 section 9.5.1:
The outer top of a floating box may not be higher than the
outer top of any _block_ or floated box generated by an
element earlier in the source document.
Where block is `BlockContainer` in LibWeb type system.
Which means `current_boxes` need to be cleared before
leaving block container.
```html
<style>
.wrapper {
width: 100px;
height: 300px;
background-color: lightgray;
}
.box {
margin: 10px;
width: 50px;
height: 50px;
float: left;
}
.a { background-color: salmon; }
.b { background-color: slateblue; }
.c { background-color: green; }
</style>
<div class="wrapper">
<div class="box a"></div>
<div class="box b"></div>
</div>
<div class="box c">
</div>
```
