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Add support for linebreaking in mmultiscripts

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This commit is contained in:
Davide P. Cervone 2015-04-01 12:39:08 -04:00
parent 6d637bb391
commit cdbe31db43
1 changed files with 31 additions and 42 deletions
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73
unpacked/jax/output/CommonHTML/autoload/multiline.js
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@ -216,7 +216,6 @@ MathJax.Hub.Register.StartupHook("CommonHTML Jax Ready",function () {
if (align !== MML.INDENTALIGN.LEFT) block.style.textAlign = align; if (align !== MML.INDENTALIGN.LEFT) block.style.textAlign = align;
if (dY) block.style.paddingTop = CHTML.Em(dY); if (dY) block.style.paddingTop = CHTML.Em(dY);
state.BBOX.combine(bbox,shift,state.Y); state.BBOX.combine(bbox,shift,state.Y);
//this.CHTMLdrawBBox(line,bbox);
// //
// Save the values needed for the future // Save the values needed for the future
// //
@ -541,13 +540,12 @@ MathJax.Hub.Register.StartupHook("CommonHTML Jax Ready",function () {
// //
// Get the bounding boxes and the width of the scripts // Get the bounding boxes and the width of the scripts
// //
var bbox = this.CHTML, var bbox = this.CHTML, base = this.data[this.base].CHTML;
base = this.data[this.base].CHTML; var dw = bbox.w - base.w - bbox.X;
var dw = bbox.w - base.w;
// //
// Add in the prescripts // Add in the width of the prescripts
// //
info.scanW += bbox.dx; scanW = info.scanW; info.scanW += bbox.X; scanW = info.scanW;
// //
// Check if the base can be broken // Check if the base can be broken
// //
@ -565,59 +563,50 @@ MathJax.Hub.Register.StartupHook("CommonHTML Jax Ready",function () {
}, },
CHTMLmoveLine: function (start,end,node,state,values) { CHTMLmoveLine: function (start,end,node,state,values) {
var NODE = this.CHTMLnodeElement(), data = this.CHTML, var NODE = this.CHTMLnodeElement(), data = this.CHTML, BOX = this.CHTMLbbox, NODE;
stack = NODE.firstChild, BOX = {};
var box = stack.firstChild;
//
// Get the boxes for the scripts (if any)
//
// while (box) {
// if (box.bbox && box.bbox.name) {BOX[box.bbox.name] = box}
// box = box.nextSibling;
// }
// //
// If this is the start, move the prescripts, if any. // If this is the start, move the prescripts, if any.
// //
if (start.length < 1) { if (start.length < 1) {
if (BOX.presub || BOX.presup) { NODE = this.CHTMLnodeElement();
var STACK = HTMLCSS.createStack(node); var prestack = NODE.getElementsByTagName("mjx-prestack")[0],
if (BOX.presup) { presup = NODE.getElementsByTagName("mjx-presup")[0],
HTMLCSS.addBox(STACK,BOX.presup); presub = NODE.getElementsByTagName("mjx-presub")[0];
HTMLCSS.placeBox(BOX.presup,data.dx-BOX.presup.bbox.w,data.u); if (prestack) node.appendChild(prestack);
} else if (presup) node.appendChild(presup);
if (BOX.presub) { else if (presub) node.appendChild(presub);
HTMLCSS.addBox(STACK,BOX.presub); var w = state.bbox.w, bbox;
HTMLCSS.placeBox(BOX.presub,data.dx+data.delta-BOX.presub.bbox.w,-data.v); if (presup) state.bbox.combine(BOX.presup,w+BOX.presup.X,BOX.presup.Y);
} if (presub) state.bbox.combine(BOX.presub,w+BOX.presub.X,BOX.presub.Y);
this.HTMLcombineBBoxes(STACK,node.bbox);
node.appendChild(STACK);
STACK.style.width = HTMLCSS.Em(data.dx);
}
} }
// //
// Move the proper part of the base // Move the proper part of the base
// //
if (this.data[this.base]) { if (this.data[this.base]) {
var base = HTML.addElement(node,"mjx-base");
if (start.length > 1) { if (start.length > 1) {
this.data[this.base].CHTMLmoveSlice(start.slice(1),end.slice(1),node,state,values,"marginLeft"); this.data[this.base].CHTMLmoveSlice(start.slice(1),end.slice(1),base,state,values,"marginLeft");
} else { } else {
if (end.length <= 1) this.data[this.base].CHTMLmoveNode(node,state,values); if (end.length <= 1) this.data[this.base].CHTMLmoveNode(base,state,values);
else this.data[this.base].CHTMLmoveSlice([],end.slice(1),node,state,values,"marginRight"); else this.data[this.base].CHTMLmoveSlice([],end.slice(1),base,state,values,"marginRight");
} }
} }
// //
// If this is the end, check for super and subscripts, and move those // If this is the end, check for super and subscripts, and move those
// by moving the stack that contains them, and shifting by the amount of the // by moving the elements that contains them. Adjust the bounding box
// base that has been removed. Remove the empty base box from the stack. // to include the super and subscripts.
// //
if (end.length === 0) { if (end.length === 0) {
if (this.data[this.base]) stack.removeChild(stack.firstChild); NODE = this.CHTMLnodeElement();
for (box = stack.firstChild; box; box = box.nextSibling) var stack = NODE.getElementsByTagName("mjx-stack")[0],
box.style.left = CHTML.Em(CHTML.unEm(box.style.left)-data.px); sup = NODE.getElementsByTagName("mjx-sup")[0],
// stack.bbox.w -= data.px; stack.style.width = HTMLCSS.Em(stack.bbox.w); sub = NODE.getElementsByTagName("mjx-sub")[0];
// this.HTMLcombineBBoxes(stack,node.bbox); if (stack) node.appendChild(stack);
node.appendChild(stack); else if (sup) node.appendChild(sup);
else if (sub) node.appendChild(sub);
var w = state.bbox.w, bbox;
if (sup) state.bbox.combine(BOX.sup,w,BOX.sup.Y);
if (sub) state.bbox.combine(BOX.sub,w,BOX.sub.Y);
} }
} }