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LibWeb: Sum horizontal margins to calculate space used by floats

This fixes the issue where max margin is used to find offset of
floating box although horizonal margins do not collapse so they need
to be summed instead.
This commit is contained in:
Aliaksandr Kalenik 2023-05-24 18:16:09 +03:00 committed by Andreas Kling
parent 90d8844c77
commit 202b24584f
5 changed files with 83 additions and 49 deletions

View file

@ -5,65 +5,63 @@ Viewport <#document> at (0,0) content-size 800x600 children: not-inline
TextNode <#text>
BlockContainer <div.outer> at (9,9) content-size 300x250 children: inline
line 0 width: 239.15625, height: 16, bottom: 16, baseline: 12.796875
frag 0 from TextNode start: 1, length: 24, rect: [60,9 212x16]
frag 0 from TextNode start: 1, length: 24, rect: [61,9 212x16]
"foo bar baz foo bar baz "
frag 1 from TextNode start: 1, length: 3, rect: [272,9 27.15625x16]
frag 1 from TextNode start: 1, length: 3, rect: [273,9 27.15625x16]
"foo"
line 1 width: 27.640625, height: 16, bottom: 32, baseline: 12.796875
frag 0 from TextNode start: 5, length: 3, rect: [262,25 27.640625x16]
frag 0 from TextNode start: 5, length: 3, rect: [263,25 27.640625x16]
"bar"
line 2 width: 27.203125, height: 16, bottom: 48, baseline: 12.796875
frag 0 from TextNode start: 9, length: 3, rect: [262,41 27.203125x16]
frag 0 from TextNode start: 9, length: 3, rect: [263,41 27.203125x16]
"baz"
line 3 width: 27.15625, height: 16, bottom: 64, baseline: 12.796875
frag 0 from TextNode start: 13, length: 3, rect: [262,57 27.15625x16]
frag 0 from TextNode start: 13, length: 3, rect: [263,57 27.15625x16]
"foo"
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line 5 width: 98, height: 16, bottom: 84, baseline: 12.796875
frag 0 from TextNode start: 17, length: 11, rect: [9,77 98x16]
"bar baz foo"
line 6 width: 98, height: 16, bottom: 100, baseline: 12.796875
frag 0 from TextNode start: 29, length: 11, rect: [9,93 98x16]
"bar baz foo"
line 7 width: 98, height: 16, bottom: 116, baseline: 12.796875
frag 0 from TextNode start: 41, length: 8, rect: [9,109 70.84375x16]
"bar baz "
frag 1 from TextNode start: 1, length: 3, rect: [80,109 27.15625x16]
"foo"
line 8 width: 62.84375, height: 16, bottom: 132, baseline: 12.796875
frag 0 from TextNode start: 5, length: 7, rect: [9,125 62.84375x16]
line 5 width: 62.84375, height: 16, bottom: 84, baseline: 12.796875
frag 0 from TextNode start: 17, length: 7, rect: [9,77 62.84375x16]
"bar baz"
line 9 width: 62.796875, height: 16, bottom: 148, baseline: 12.796875
frag 0 from TextNode start: 13, length: 7, rect: [9,141 62.796875x16]
line 6 width: 62.796875, height: 16, bottom: 100, baseline: 12.796875
frag 0 from TextNode start: 25, length: 7, rect: [9,93 62.796875x16]
"foo bar"
line 10 width: 274.359375, height: 16, bottom: 164, baseline: 12.796875
frag 0 from TextNode start: 21, length: 31, rect: [9,157 274.359375x16]
"baz foo bar baz foo bar baz foo"
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frag 0 from TextNode start: 53, length: 20, rect: [60,173 176.84375x16]
"bar baz foo bar baz "
frag 1 from TextNode start: 1, length: 7, rect: [237,173 62.796875x16]
"foo bar"
line 12 width: 204, height: 16, bottom: 196, baseline: 12.796875
frag 0 from TextNode start: 9, length: 16, rect: [60,189 141.203125x16]
line 7 width: 62.359375, height: 16, bottom: 116, baseline: 12.796875
frag 0 from TextNode start: 33, length: 7, rect: [9,109 62.359375x16]
"baz foo"
line 8 width: 62.84375, height: 16, bottom: 132, baseline: 12.796875
frag 0 from TextNode start: 41, length: 7, rect: [9,125 62.84375x16]
"bar baz"
line 9 width: 239.15625, height: 16, bottom: 148, baseline: 12.796875
frag 0 from TextNode start: 1, length: 27, rect: [9,141 239.15625x16]
"foo bar baz foo bar baz foo"
line 10 width: 239.640625, height: 16, bottom: 164, baseline: 12.796875
frag 0 from TextNode start: 29, length: 27, rect: [9,157 239.640625x16]
"bar baz foo bar baz foo bar"
line 11 width: 239.203125, height: 16, bottom: 180, baseline: 12.796875
frag 0 from TextNode start: 57, length: 16, rect: [61,173 141.203125x16]
"baz foo bar baz "
frag 1 from TextNode start: 1, length: 7, rect: [201,189 62.796875x16]
"foo bar"
frag 1 from TextNode start: 1, length: 11, rect: [202,173 98x16]
"foo bar baz"
line 12 width: 204, height: 16, bottom: 196, baseline: 12.796875
frag 0 from TextNode start: 13, length: 12, rect: [61,189 106x16]
"foo bar baz "
frag 1 from TextNode start: 1, length: 11, rect: [167,189 98x16]
"foo bar baz"
line 13 width: 204, height: 16, bottom: 212, baseline: 12.796875
frag 0 from TextNode start: 9, length: 23, rect: [60,205 204x16]
"baz foo bar baz foo bar"
line 14 width: 239.203125, height: 16, bottom: 228, baseline: 12.796875
frag 0 from TextNode start: 33, length: 27, rect: [60,221 239.203125x16]
"baz foo bar baz foo bar baz"
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frag 0 from TextNode start: 61, length: 31, rect: [9,237 274.796875x16]
frag 0 from TextNode start: 13, length: 23, rect: [61,205 204x16]
"foo bar baz foo bar baz"
line 14 width: 239.15625, height: 16, bottom: 228, baseline: 12.796875
frag 0 from TextNode start: 37, length: 27, rect: [61,221 239.15625x16]
"foo bar baz foo bar baz foo"
line 15 width: 274.84375, height: 16, bottom: 244, baseline: 12.796875
frag 0 from TextNode start: 65, length: 31, rect: [9,237 274.84375x16]
"bar baz foo bar baz foo bar baz"
line 16 width: 274.796875, height: 16, bottom: 260, baseline: 12.796875
frag 0 from TextNode start: 97, length: 31, rect: [9,253 274.796875x16]
"foo bar baz foo bar baz foo bar"
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frag 0 from TextNode start: 93, length: 31, rect: [9,253 274.359375x16]
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line 17 width: 168.84375, height: 16, bottom: 276, baseline: 12.796875
frag 0 from TextNode start: 125, length: 19, rect: [9,269 168.84375x16]
"bar baz foo bar baz"
line 17 width: 133.203125, height: 16, bottom: 276, baseline: 12.796875
frag 0 from TextNode start: 129, length: 15, rect: [9,269 133.203125x16]
"baz foo bar baz"
TextNode <#text>
BlockContainer <div.lefty> at (10,10) content-size 50x50 floating [BFC] children: not-inline
TextNode <#text>
@ -71,7 +69,7 @@ Viewport <#document> at (0,0) content-size 800x600 children: not-inline
TextNode <#text>
BlockContainer <div.two> at (108,78) content-size 200x50 floating [BFC] children: not-inline
TextNode <#text>
BlockContainer <div.righty> at (76,126) content-size 30x30 floating [BFC] children: not-inline
BlockContainer <div.righty> at (278,142) content-size 30x30 floating [BFC] children: not-inline
TextNode <#text>
BlockContainer <div.lefty.shwifty> at (10,174) content-size 50x50 floating [BFC] children: not-inline
TextNode <#text>

View file

@ -5,7 +5,7 @@ Viewport <#document> at (0,0) content-size 800x600 children: not-inline
TextNode <#text>
BlockContainer <div.outer> at (9,9) content-size 300x250 children: inline
line 0 width: 204, height: 16, bottom: 16, baseline: 12.796875
frag 0 from TextNode start: 1, length: 23, rect: [60,9 204x16]
frag 0 from TextNode start: 1, length: 23, rect: [61,9 204x16]
"foo bar baz foo bar baz"
TextNode <#text>
BlockContainer <div.lefty> at (10,10) content-size 50x50 floating [BFC] children: not-inline

View file

@ -0,0 +1,16 @@
Viewport <#document> at (0,0) content-size 800x600 children: not-inline
BlockContainer <html> at (0,0) content-size 800x600 [BFC] children: not-inline
BlockContainer <body> at (100,8) content-size 200x200 children: not-inline
BlockContainer <div.row> at (50,8) content-size 250x200 children: inline
BlockContainer <div.item> at (50,8) content-size 125x17.46875 floating [BFC] children: inline
line 0 width: 9.34375, height: 17.46875, bottom: 17.46875, baseline: 13.53125
frag 0 from TextNode start: 1, length: 1, rect: [50,8 9.34375x17.46875]
"a"
TextNode <#text>
TextNode <#text>
BlockContainer <div.item> at (175,8) content-size 125x17.46875 floating [BFC] children: inline
line 0 width: 9.46875, height: 17.46875, bottom: 17.46875, baseline: 13.53125
frag 0 from TextNode start: 1, length: 1, rect: [175,8 9.46875x17.46875]
"b"
TextNode <#text>
TextNode <#text>

View file

@ -0,0 +1,20 @@
<style>
body {
width: 200px;
margin-left: 100px;
}
.row {
height: 200px;
margin-left: -50px;
background-color: blueviolet;
}
.item {
float: left;
width: 50%;
}
</style><div class="row"><div class="item" style="background-color: lightblue">
a</div>
<div class="item" style="background-color: lightgoldenrodyellow">
b</div>
</div>

View file

@ -1011,7 +1011,7 @@ BlockFormattingContext::SpaceUsedByFloats BlockFormattingContext::space_used_by_
CSSPixels offset_from_containing_block_chain_margins_between_here_and_root = 0;
for (auto const* containing_block = floating_box.box->containing_block(); containing_block && containing_block != &root(); containing_block = containing_block->containing_block()) {
auto const& containing_block_state = m_state.get(*containing_block);
offset_from_containing_block_chain_margins_between_here_and_root = max(offset_from_containing_block_chain_margins_between_here_and_root, containing_block_state.margin_box_left());
offset_from_containing_block_chain_margins_between_here_and_root += containing_block_state.margin_box_left();
}
space_used_by_floats.left = offset_from_containing_block_chain_margins_between_here_and_root
+ floating_box.offset_from_edge
@ -1030,7 +1030,7 @@ BlockFormattingContext::SpaceUsedByFloats BlockFormattingContext::space_used_by_
CSSPixels offset_from_containing_block_chain_margins_between_here_and_root = 0;
for (auto const* containing_block = floating_box.box->containing_block(); containing_block && containing_block != &root(); containing_block = containing_block->containing_block()) {
auto const& containing_block_state = m_state.get(*containing_block);
offset_from_containing_block_chain_margins_between_here_and_root = max(offset_from_containing_block_chain_margins_between_here_and_root, containing_block_state.margin_box_right());
offset_from_containing_block_chain_margins_between_here_and_root += containing_block_state.margin_box_right();
}
space_used_by_floats.right = offset_from_containing_block_chain_margins_between_here_and_root
+ floating_box.offset_from_edge