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* layout: remove BlockBoxBuidlerbptato2024-05-273-687/+599
| | | | | | | | | | Instead of allocating a separate object for each box, just re-use a single BlockBox on re-layouts. This means that now the (block-level) tree is built in its final form in the first pass. (Inline boxes remain the same as before for now.)
* layout: list item improvements, fix inner markersbptato2024-05-251-36/+41
| | | | | * fix list-style-position: inside * get rid of ListItemBoxBuilder
* layout: add wrapper box for table caption + misc stuffbptato2024-05-241-106/+141
| | | | | | | | | Captions are no longer positioned inside tables, yay. Also, misc: * rename some things for consistency * clamp out of bounds rgb() values * remove inherited property lookup table
* layout, layoutunit: remove some automatic convertersbptato2024-05-222-8/+6
| | | | | I wish we didn't need any, but fixing this for integers would be too involved and the float64 one was causing problems now.
* layout: simplifybptato2024-05-211-102/+76
| | | | removes elaborate table box type hierarchy that does nothing
* layout: fix inline tab expansionbptato2024-05-191-0/+1
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* layout: fix BFC positioning in presence of floatsbptato2024-05-192-14/+59
| | | | | | | | | | | | | Previously, the following printed "2" instead of "12": <div style=float:left>1</div><div style=display:flow-root>2</div> This fixes the above problem in the laziest possible way: we relayout once in the smallest possible space the BFC fits in when floats exist. See the comment in the code for details. As a nice bonus, this also fixes tables overlapping with floated boxes, by pretending that they establish a BFC.
* css: stub overflowbptato2024-05-181-2/+3
| | | | | The renderer cannot handle it yet, but at least this fixes pages that expect overflow: hidden (etc.) to establish a new BFC.
* layout: fix maxFloatHeight checkbptato2024-05-181-5/+5
| | | | | Including our own position is a mistake, since the BFC starts from the inner box.
* layout: reuse box.positioned in positionAbsolutebptato2024-05-181-4/+4
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* layout: relative positioning fixesbptato2024-05-182-75/+64
| | | | Fix percentage-based left/right etc.
* layout: slightly refactor table layoutbptato2024-05-181-27/+26
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* css/values -> css/cssvaluesbptato2024-05-163-3/+3
| | | | for consistency
* luwrap: replace Nim unicode maps with libunicodebptato2024-05-091-3/+3
| | | | | | | | | | | | | | | | | Instead of using the built-in (and outdated, and buggy) tables, we now use libunicode from QJS. This shaves some bytes off the executable, though far less than I had imagined it would. Also, a surprising effect of this change: because libunicode's tables aren't glitched out, kanji properly gets classified as alpha. I found this greatly annoying because `w' in Japanese text would now jump through whole sentences. As a band-aid solution I added an extra Han category, but I wish we had a more robust solution that could differentiate between *all* scripts. TODO: I suspect that separately loading the tables for every rune in breaksViWordCat is rather inefficient. Using some context object (at least per operation) would probably be beneficial.
* layout: unify some code pathsbptato2024-05-093-246/+236
| | | | | | | Turn Offset, Size, etc. into arrays indexed by a DimensionType enum, and use it to unify code that only differs in the dimension it is computing for. (e.g. this lets us use the same code for flex row & column layouts.)
* layout: another table colwidth fixbptato2024-05-081-2/+8
| | | | | | Turns out we also have to *expand* column width, if the specified column width is too small *and* no unspecified column exists to take the rest of the place.
* layout: small cleanupbptato2024-05-081-39/+34
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* layout: resize over-constrained table columnsbptato2024-05-081-12/+24
| | | | | | | | | If the total specified column width is larger than the table's allowed width, we now resize them proportionally to the specified width. This is quite important because many tables set the width to e.g. 50% for "give me half of the table", instead of its true meaning "give me half of the page".
* layout: table cell resizing fixesbptato2024-05-051-24/+29
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* layout: fix float size in table cells; remove redundant positioningbptato2024-04-271-7/+14
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* color: RGBAColor -> ARGBColorbptato2024-04-261-2/+2
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* layout: fix image baselinebptato2024-04-261-2/+3
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* Initial image supportbptato2024-04-253-18/+52
| | | | | | | | | | | | | | | | | * png: add missing filters, various decoder fixes * term: fix kitty response interpretation, add support for kitty image detection * buffer, pager: initial image display support Emphasis on "initial"; it only "works" with kitty output and PNG input. Also, it's excruciatingly slow, and repaints images way too often. Left undocumented intentionally it for now, until it actually becomes useful. In the meantime, adventurous users can find out themselves why: [[siteconf]] url = "https://.*" images = true
* layout: do not use parent computed values in root fragmentbptato2024-04-211-19/+11
| | | | | | * use rootProperties so the root fragment does not color its children * assert if the root gets inline blocks; this can (hopefully) no longer happen.
* layout: slightly refactor layoutInlinebptato2024-04-211-40/+42
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* layout: flex item margin fixesbptato2024-04-201-25/+34
| | | | Still far from perfect, but it's an improvement.
* layout: fix double padding in flexbptato2024-04-201-2/+4
| | | | | | | | sizes.space regulates content-box width, in which padding is not included, so we must to subtract padding here. (Neither is margin, but margin is applied by outer layout, in this case flex itself, so it's not relevant here. Not to say it isn't broken...)
* layout: fix a list style positioning bugbptato2024-04-201-2/+2
| | | | | | If we are going to move out the child's offset, then we must also tell the child where it starts so it can behave correctly when it encounters exclusions.
* layout: float sizing fixesbptato2024-04-191-8/+21
| | | | | | | | | | | Turns out our shrink-to-fit emulation was inadequate: it assumed all floats are positioned on a separate line, which is the *opposite* of what we want, as that would be the behavior of min-content. Now we instead sum together the width of all floats and the widest non-floating child, and then clamp that to the target fitContent width. This correctly gives us max-content width in the first pass, still without having to actually position the floats.
* layout: accept inline-flex in iflushbptato2024-04-171-1/+1
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* Update code stylebptato2024-04-172-288/+310
| | | | | | * separate params with ; (semicolon) instead of , (colon) * reduce screaming snake case use * wrap long lines
* layout: fix list-item positioningbptato2024-04-162-3/+12
| | | | we also have to move the inner box offset to the parent
* layout: remove ListItemBox, handle inline-flex correctlybptato2024-04-153-91/+65
| | | | | This allows us to unify BlockBox instantiation and block-level inner layout calls.
* layout: height fixesbptato2024-04-121-41/+22
| | | | | | * fix percHeight not being passed down properly * simplify addTableCaption; get rid of hack that turned caption outer height into inner height
* renderdocument: do not layout with styledRoot == nilbptato2024-04-111-1/+4
| | | | it can happen when do_reshape is called before any parsing happens.
* layout: slightly hacky flex-basis implementationbptato2024-04-091-2/+21
| | | | | | | | it's better than nothing. I suppose. (Two-value flex syntax is encouraged even by the standard, so it gets used a lot, and that sets 0, not flex-basis: auto, so not having flex-basis breaks too many things.)
* css, layout: flexbox fixesbptato2024-04-061-6/+2
| | | | | | | * do not re-resolve FlexPendingItem sizes; it's pointless and it breaks percentage sizes * fix some bugs in `flex' shorthand parsing * add `flex-flow' shorthand
* layout: clean up resolveSizesbptato2024-04-051-80/+74
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* Initial flexbox supportbptato2024-04-051-125/+379
| | | | | | | | | Still far from being fully standards-compliant, or even complete, but it seems to work slightly less horribly than having no flexbox support at all on sites that do use it. (Also includes various refactorings in layout to make it possible at all to add flexbox.)
* layout: add missing min/max heights to absolute sizesbptato2024-03-301-1/+3
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* layout: fix various table cell sizing bugsbptato2024-03-301-47/+35
| | | | | | | | | | It seems I never properly converted the table cell (pre-)sizing code to use SizeConstraints, so it was still in a half-working state where it broke down e.g. on nested tables. * move auto check to canpx * simplify convoluted and broken table cell size calculation into something that actually works
* layout: fix float positioning with marginsbptato2024-03-301-1/+1
| | | | | | | | | | | | | | | Here we are restricting the float to the same width constraint as its parent, so we must add offset.x both when the float is larger than this constraint *and* when the float fits into the constraint. An example of what this fixes: <div style="padding-left: 10em; background: green"> <div style="float: right; background: red"> wat ^ previously the float was positioned as if the padding had been on the *right*, because it did not take into account offset.x.
* layout: fix another infinite loopbptato2024-03-261-2/+2
| | | | | | | aaaaa (this was even worse than the previous one, of course caused by the fix...)
* layout: avoid infinite loop in line wrappingbptato2024-03-261-11/+10
| | | | it would get into an infinite loop with line-height: 0 and floats
* layout: also round line height for painting backgroundsbptato2024-03-261-3/+2
| | | | | it's pointless to do otherwise, and results in inconsistencies between line positioning and background coloring.
* layout: ensure lines are not higher than they must bebptato2024-03-262-11/+17
| | | | | | This is still a more conservative approach than completely disabling line-height. It seems to work better than preserving rounded line-height in all cases, anyway.
* layout: optimize inline background areasbptato2024-03-261-18/+51
| | | | | | | Instead of adding a new area for every single line, extend already existing areas when possible. (This was my original plan but I got lazy.)
* layout: rework inline box area modelbptato2024-03-253-154/+180
| | | | | | | | | | | | | Specifying the background area as three LayoutUnit pairs sounds clever, but breaks down for text-align: center. * store line Y offset in LineBox - this is necessary to pass down areas we need to paint * refactor addHorizontalLine loop; remove mystery "If necessary, update ictx's width" line that used to be labeled "TODO this seems meaningless" and indeed seems meaningless now (I am prepared to deeply regret this later) * replace broken & convoluted startOffset/endOffset/size with a simple seq of offsets + sizes
* cell: update FormatFlag naming, remove useless templatesbptato2024-03-211-6/+6
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* layout: table column size fixesbptato2024-03-161-33/+20
| | | | | | | * remove unnecessarily duplicated code (probably a copy-paste error) * apply UNIT_PERC computed widths for table cells too (just base it on sizes the table receives) * remove unnecessary parameters in some procs
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