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Diffstat (limited to '')
| -rw-r--r-- | layout/mathml/mathml.css | 330 |
1 files changed, 330 insertions, 0 deletions
diff --git a/layout/mathml/mathml.css b/layout/mathml/mathml.css new file mode 100644 index 0000000000..597aedabb7 --- /dev/null +++ b/layout/mathml/mathml.css @@ -0,0 +1,330 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + + +/**************************************************************************/ +/* namespace for MathML elements */ +/**************************************************************************/ + +@namespace url(http://www.w3.org/1998/Math/MathML); + +* { + writing-mode: horizontal-tb !important; +} + +/**************************************************************************/ +/* <math> - outermost math element */ +/**************************************************************************/ + +math { + direction: ltr; + unicode-bidi: embed; + display: inline; + font-size: inherit; + font-style: normal; + font-weight: normal; + text-indent: 0; + font-family: serif; + line-height: normal; + word-spacing: normal; + letter-spacing: normal; + text-rendering: optimizeLegibility; + -moz-float-edge: margin-box; + math-style: compact; +} +math[display="block" i] { + display: block; + text-align: -moz-center; + math-style: normal; +} +math[display="inline" i] { + display: inline; + math-style: compact; +} + +/**************************************************************************/ +/* Token elements */ +/**************************************************************************/ + +@media not (-moz-mathml-core-ms) { + ms { + display: inline; + } + ms:before, ms:after { + content: "\0022" + } + ms[lquote]:before { + content: attr(lquote) + } + ms[rquote]:after { + content: attr(rquote) + } +} + +/**************************************************************************/ +/* Links */ +/**************************************************************************/ +:any-link { + text-decoration: none !important; +} + +/**************************************************************************/ +/* attributes common to all tags */ +/**************************************************************************/ + +/* These attributes are mapped to style in MathMLElement.cpp: + + - background -> background (deprecated) + - color -> color (deprecated) + - fontfamily -> font-family (deprecated) + - fontsize -> font-size (deprecated) + - fontstyle -> font-style (deprecated) + - fontweight -> font-weight (deprecated) + - mathvariant -> -moz-math-variant + - scriptsizemultiplier -> -moz-script-size-multiplier + - scriptminsize -> -moz-script-min-size + - scriptlevel -> math-depth + - mathsize -> font-size + - mathcolor -> color + - mathbackground -> background + +*/ + + +/**************************************************************************/ +/* merror */ +/**************************************************************************/ + +merror { + display: block; + font-family: sans-serif; + font-weight: bold; + white-space: pre; + margin: 1em; + padding: 1em; + border-width: thin; + border-style: inset; + border-color: red; + font-size: 14pt; + background-color: lightyellow; +} + +/**************************************************************************/ +/* mtable and its related tags */ +/**************************************************************************/ + +mtable { + display: inline-table; + border-collapse: separate; + border-spacing: 0; + text-indent: 0; +} +mtable[frame="none"] { + border: none; +} +mtable[frame="solid"] { + border: solid thin; +} +mtable[frame="dashed"] { + border: dashed thin; +} + +mtr, mlabeledtr { + display: table-row; + vertical-align: baseline; +} + +mtd { + display: table-cell; + vertical-align: inherit; + text-align: -moz-center; + white-space: nowrap; +} + +/* Don't support m(labeled)tr without mtable, nor mtd without m(labeled)tr */ +:not(mtable) > mtr, +:not(mtable) > mlabeledtr, +:not(mtr, mlabeledtr) > mtd { + display: none !important; +} + +/* Hide the label because mlabeledtr is not supported yet (bug 356870). This + rule can be overriden by users. */ +mlabeledtr > mtd:first-child { + display: none; +} + +/**********************************************************************/ +/* rules to achieve the default spacing between cells. When rowspacing, + columnspacing and framespacing aren't set on mtable. The back-end code + will set the internal attributes depending on the cell's position. + When they are set, the spacing behaviour is handled outside of CSS */ +mtd { + padding-right: 0.4em; /* half of columnspacing[colindex] */ + padding-left: 0.4em; /* half of columnspacing[colindex-1] */ + padding-bottom: 0.5ex; /* half of rowspacing[rowindex] */ + padding-top: 0.5ex; /* half of rowspacing[rowindex-1] */ +} +/* turn off the spacing at the periphery of boundary cells */ +mtr:first-child > mtd { + padding-top: 0ex; +} +mtr:last-child > mtd { + padding-bottom: 0ex; +} +mtd:first-child { + padding-inline-start: 0em; +} +mtd:last-child { + padding-inline-end: 0em; +} +/* re-instate the spacing if the table has a surrounding frame */ +mtable[frame="solid"] > mtr:first-child > mtd, +mtable[frame="dashed"] > mtr:first-child > mtd { + padding-top: 0.5ex; /* framespacing.top */ +} +mtable[frame="solid"] > mtr:last-child > mtd, +mtable[frame="dashed"] > mtr:last-child > mtd { + padding-bottom: 0.5ex; /* framespacing.bottom */ +} +mtable[frame="solid"] > mtr > mtd:first-child, +mtable[frame="dashed"] > mtr > mtd:first-child { + padding-inline-start: 0.4em; /* framespacing.left (or right in rtl)*/ +} +mtable[frame="solid"] > mtr > mtd:last-child, +mtable[frame="dashed"] > mtr > mtd:last-child { + padding-inline-end: 0.4em; /* framespacing.right (or left in rtl)*/ +} + +mtable[rowspacing] > mtr > mtd, +mtable[columnspacing] > mtr > mtd, +mtable[framespacing] > mtr > mtd { + /* Spacing handled outside of CSS */ + padding: 0px; +} + +/**********************************************************************/ +/* This is used when wrapping non-MathML inline elements inside math. */ +*|*::-moz-mathml-anonymous-block { + display: inline-block !important; + position: static !important; + text-indent: 0; +} + +/**************************************************************************/ +/* Controlling Displaystyle and Scriptlevel */ +/**************************************************************************/ + +/* + http://www.w3.org/Math/draft-spec/chapter3.html#presm.scriptlevel + + The determination of math-style for <math> involves the displaystyle + and display attributes. See the <math> section above. +*/ + +/* munder, mover and munderover change the scriptlevels of their children + using -moz-math-increment-script-level because regular CSS rules are + insufficient to control when the scriptlevel should be incremented. All other + cases can be described using regular CSS, so we do it this way because it's + more efficient and less code. */ +:-moz-math-increment-script-level { math-depth: add(1); } + +/* + The mfrac element sets displaystyle to "false", or if it was already false + increments scriptlevel by 1, within numerator and denominator. +*/ +mfrac > * { + math-depth: auto-add; + math-style: compact; +} + +/* + The mroot element increments scriptlevel by 2, and sets displaystyle to + "false", within index, but leaves both attributes unchanged within base. + The msqrt element leaves both attributes unchanged within its argument. +*/ +mroot > :not(:first-child) { + math-depth: add(2); + math-style: compact; +} + +/* + The msub element [...] increments scriptlevel by 1, and sets displaystyle to + "false", within subscript, but leaves both attributes unchanged within base. + + The msup element [...] increments scriptlevel by 1, and sets displaystyle to + "false", within superscript, but leaves both attributes unchanged within + base. + + The msubsup element [...] increments scriptlevel by 1, and sets displaystyle + to "false", within subscript and superscript, but leaves both attributes + unchanged within base. + + The mmultiscripts element increments scriptlevel by 1, and sets displaystyle + to "false", within each of its arguments except base, but leaves both + attributes unchanged within base. + */ +msub > :not(:first-child), +msup > :not(:first-child), +msubsup > :not(:first-child), +mmultiscripts > :not(:first-child) { + math-depth: add(1); + math-style: compact; +} + +/* + The munder element [...] always sets displaystyle to "false" within the + underscript, but increments scriptlevel by 1 only when accentunder is + "false". Within base, it always leaves both attributes unchanged. + + The mover element [...] always sets displaystyle to "false" within + overscript, but increments scriptlevel by 1 only when accent is "false". + Within base, it always leaves both attributes unchanged. + + The munderover [..] always sets displaystyle to "false" within underscript + and overscript, but increments scriptlevel by 1 only when accentunder or + accent, respectively, are "false". Within base, it always leaves both + attributes unchanged. +*/ +munder > :not(:first-child), +mover > :not(:first-child), +munderover > :not(:first-child) { + math-style: compact; +} + +/* + The displaystyle attribute is allowed on the mtable element to set the + inherited value of the attribute. If the attribute is not present, the + mtable element sets displaystyle to "false" within the table elements. +*/ +mtable { math-style: compact; } + +/* + The mscarries element sets displaystyle to "false", and increments + scriptlevel by 1, so the children are typically displayed in a smaller font. + XXXfredw: This element is not implemented yet. See bug 534967. +mscarries { + math-depth: add(1); + math-style: compact; +} +*/ + +/* "The mphantom element renders invisibly, but with the same size and other + dimensions, including baseline position, that its contents would have if + they were rendered normally.". + Also, we do not expose the <mphantom> element to the accessible tree + (see bug 1108378). */ +mphantom { + visibility: hidden; +} + +@media (-moz-mathml-core-maction-and-semantics) { + /* Implement MathML Core's semantics/maction support + https://w3c.github.io/mathml-core/#dfn-semantics + https://w3c.github.io/mathml-core/#dfn-maction */ + maction > :not(:first-child), + semantics > :not(:first-child) { + display: none; + } +} |