Function paddingTop

lib/codemirror/codemirror.min.js:23–23

(display)

}Range.prototype={from:function(){return minPos(this.anchor,this.head)},to:function(){return maxPos(this.anchor,this.head)},empty:function(){return this.head.line==this.anchor.line&&this.head.ch==this.anchor.ch}};function normalizeSelection(ranges,primIndex){var prim=ranges[primIndex];ranges.sort(function(a,b){return cmp(a.from(),b.from())});primIndex=indexOf(ranges,prim);for(var i=1;i<ranges.length;i++){var cur=ranges[i],prev=ranges[i-1];if(cmp(prev.to(),cur.from())>=0){var from=minPos(prev.from(),cur.from()),to=maxPos(prev.to(),cur.to());var inv=prev.empty()?cur.from()==cur.head:prev.from()==prev.head;if(i<=primIndex){--primIndex}ranges.splice(--i,2,new Range(inv?to:from,inv?from:to))}}return new Selection(ranges,primIndex)}function simpleSelection(anchor,head){return new Selection([new Range(anchor,head||anchor)],0)}function clipLine(doc,n){return Math.max(doc.first,Math.min(n,doc.first+doc.size-1))}function clipPos(doc,pos){if(pos.line<doc.first){return Pos(doc.first,0)}var last=doc.first+doc.size-1;if(pos.line>last){return Pos(last,getLine(doc,last).text.length)}return clipToLen(pos,getLine(doc,pos.line).text.length)}function clipToLen(pos,linelen){var ch=pos.ch;if(ch==null||ch>linelen){return Pos(pos.line,linelen)}else{if(ch<0){return Pos(pos.line,0)}else{return pos}}}function isLine(doc,l){return l>=doc.first&&l<doc.first+doc.size}function clipPosArray(doc,array){for(var out=[],i=0;i<array.length;i++){out[i]=clipPos(doc,array[i])}return out}function extendRange(doc,range,head,other){if(doc.cm&&doc.cm.display.shift||doc.extend){var anchor=range.anchor;if(other){var posBefore=cmp(head,anchor)<0;if(posBefore!=(cmp(other,anchor)<0)){anchor=head;head=other}else{if(posBefore!=(cmp(head,other)<0)){head=other}}}return new Range(anchor,head)}else{return new Range(other||head,head)}}function extendSelection(doc,head,other,options){setSelection(doc,new Selection([extendRange(doc,doc.sel.primary(),head,other)],0),options)}function extendSelections(doc,heads,options){for(var out=[],i=0;i<doc.sel.ranges.length;i++){out[i]=extendRange(doc,doc.sel.ranges[i],heads[i],null)}var newSel=normalizeSelection(out,doc.sel.primIndex);setSelection(doc,newSel,options)}function replaceOneSelection(doc,i,range,options){var ranges=doc.sel.ranges.slice(0);ranges[i]=range;setSelection(doc,normalizeSelection(ranges,doc.sel.primIndex),options)}function setSimpleSelection(doc,anchor,head,options){setSelection(doc,simpleSelection(anchor,head),options)}function filterSelectionChange(doc,sel){var obj={ranges:sel.ranges,update:function(ranges){this.ranges=[];for(var i=0;i<ranges.length;i++){this.ranges[i]=new Range(clipPos(doc,ranges[i].anchor),clipPos(doc,ranges[i].head))}}};signal(doc,"beforeSelectionChange",doc,obj);if(doc.cm){signal(doc.cm,"beforeSelectionChange",doc.cm,obj)}if(obj.ranges!=sel.ranges){return normalizeSelection(obj.ranges,obj.ranges.length-1)}else{return sel}}function setSelectionReplaceHistory(doc,sel,options){var done=doc.history.done,last=lst(done);if(last&&last.ranges){done[done.length-1]=sel;setSelectionNoUndo(doc,sel,options)}else{setSelection(doc,sel,options)}}function setSelection(doc,sel,options){setSelectionNoUndo(doc,sel,options);addSelectionToHistory(doc,doc.sel,doc.cm?doc.cm.curOp.id:NaN,options)}function setSelectionNoUndo(doc,sel,options){if(hasHandler(doc,"beforeSelectionChange")||doc.cm&&hasHandler(doc.cm,"beforeSelectionChange")){sel=filterSelectionChange(doc,sel)}var bias=options&&options.bias||(cmp(sel.primary().head,doc.sel.primary().head)<0?-1:1);setSelectionInner(doc,skipAtomicInSelection(doc,sel,bias,true));if(!(options&&options.scroll===false)&&doc.cm){ensureCursorVisible(doc.cm)}}function setSelectionInner(doc,sel){if(sel.equals(doc.sel)){return}doc.sel=sel;if(doc.cm){doc.cm.curOp.updateInput=doc.cm.curOp.selectionChanged=true;signalCursorActivity(doc.cm)}signalLater(doc,"cursorActivity",doc)}function reCheckSelection(doc){setSelectionInner(doc,skipAtomicInSelection(doc,doc.sel,null,false),sel_dontScroll)}function skipAtomicInSelection(doc,sel,bias,mayClear){var out;for(var i=0;i<sel.ranges.length;i++){var range=sel.ranges[i];var newAnchor=skipAtomic(doc,range.anchor,bias,mayClear);var newHead=skipAtomic(doc,range.head,bias,mayClear);if(out||newAnchor!=range.anchor||newHead!=range.head){if(!out){out=sel.ranges.slice(0,i)}out[i]=new Range(newAnchor,newHead)}}return out?normalizeSelection(out,sel.primIndex):sel}function skipAtomic(doc,pos,bias,mayClear){var flipped=false,curPos=pos;var dir=bias||1;doc.cantEdit=false;search:for(;;){var line=getLine(doc,curPos.line);if(line.markedSpans){for(var i=0;i<line.markedSpans.length;++i){var sp=line.markedSpans[i],m=sp.marker;if((sp.from==null||(m.inclusiveLeft?sp.from<=curPos.ch:sp.from<curPos.ch))&&(sp.to==null||(m.inclusiveRight?sp.to>=curPos.ch:sp.to>curPos.ch))){if(mayClear){signal(m,"beforeCursorEnter");if(m.explicitlyCleared){if(!line.markedSpans){break}else{--i;continue}}}if(!m.atomic){continue}var newPos=m.find(dir<0?-1:1);if(cmp(newPos,curPos)==0){newPos.ch+=dir;
if(newPos.ch<0){if(newPos.line>doc.first){newPos=clipPos(doc,Pos(newPos.line-1))}else{newPos=null}}else{if(newPos.ch>line.text.length){if(newPos.line<doc.first+doc.size-1){newPos=Pos(newPos.line+1,0)}else{newPos=null}}}if(!newPos){if(flipped){if(!mayClear){return skipAtomic(doc,pos,bias,true)}doc.cantEdit=true;return Pos(doc.first,0)}flipped=true;newPos=pos;dir=-dir}}curPos=newPos;continue search}}}return curPos}}function updateSelection(cm){cm.display.input.showSelection(cm.display.input.prepareSelection())}function prepareSelection(cm,primary){var doc=cm.doc,result={};var curFragment=result.cursors=document.createDocumentFragment();var selFragment=result.selection=document.createDocumentFragment();for(var i=0;i<doc.sel.ranges.length;i++){if(primary===false&&i==doc.sel.primIndex){continue}var range=doc.sel.ranges[i];var collapsed=range.empty();if(collapsed||cm.options.showCursorWhenSelecting){drawSelectionCursor(cm,range,curFragment)}if(!collapsed){drawSelectionRange(cm,range,selFragment)}}return result}function drawSelectionCursor(cm,range,output){var pos=cursorCoords(cm,range.head,"div",null,null,!cm.options.singleCursorHeightPerLine);var cursor=output.appendChild(elt("div","\u00a0","CodeMirror-cursor"));cursor.style.left=pos.left+"px";cursor.style.top=pos.top+"px";cursor.style.height=Math.max(0,pos.bottom-pos.top)*cm.options.cursorHeight+"px";if(pos.other){var otherCursor=output.appendChild(elt("div","\u00a0","CodeMirror-cursor CodeMirror-secondarycursor"));otherCursor.style.display="";otherCursor.style.left=pos.other.left+"px";otherCursor.style.top=pos.other.top+"px";otherCursor.style.height=(pos.other.bottom-pos.other.top)*0.85+"px"}}function drawSelectionRange(cm,range,output){var display=cm.display,doc=cm.doc;var fragment=document.createDocumentFragment();var padding=paddingH(cm.display),leftSide=padding.left;var rightSide=Math.max(display.sizerWidth,displayWidth(cm)-display.sizer.offsetLeft)-padding.right;function add(left,top,width,bottom){if(top<0){top=0}top=Math.round(top);bottom=Math.round(bottom);fragment.appendChild(elt("div",null,"CodeMirror-selected","position: absolute; left: "+left+"px; top: "+top+"px; width: "+(width==null?rightSide-left:width)+"px; height: "+(bottom-top)+"px"))}function drawForLine(line,fromArg,toArg){var lineObj=getLine(doc,line);var lineLen=lineObj.text.length;var start,end;function coords(ch,bias){return charCoords(cm,Pos(line,ch),"div",lineObj,bias)}iterateBidiSections(getOrder(lineObj),fromArg||0,toArg==null?lineLen:toArg,function(from,to,dir){var leftPos=coords(from,"left"),rightPos,left,right;if(from==to){rightPos=leftPos;left=right=leftPos.left}else{rightPos=coords(to-1,"right");if(dir=="rtl"){var tmp=leftPos;leftPos=rightPos;rightPos=tmp}left=leftPos.left;right=rightPos.right}if(fromArg==null&&from==0){left=leftSide}if(rightPos.top-leftPos.top>3){add(left,leftPos.top,null,leftPos.bottom);left=leftSide;if(leftPos.bottom<rightPos.top){add(left,leftPos.bottom,null,rightPos.top)}}if(toArg==null&&to==lineLen){right=rightSide}if(!start||leftPos.top<start.top||leftPos.top==start.top&&leftPos.left<start.left){start=leftPos}if(!end||rightPos.bottom>end.bottom||rightPos.bottom==end.bottom&&rightPos.right>end.right){end=rightPos}if(left<leftSide+1){left=leftSide}add(left,rightPos.top,right-left,rightPos.bottom)});return{start:start,end:end}}var sFrom=range.from(),sTo=range.to();if(sFrom.line==sTo.line){drawForLine(sFrom.line,sFrom.ch,sTo.ch)}else{var fromLine=getLine(doc,sFrom.line),toLine=getLine(doc,sTo.line);var singleVLine=visualLine(fromLine)==visualLine(toLine);var leftEnd=drawForLine(sFrom.line,sFrom.ch,singleVLine?fromLine.text.length+1:null).end;var rightStart=drawForLine(sTo.line,singleVLine?0:null,sTo.ch).start;if(singleVLine){if(leftEnd.top<rightStart.top-2){add(leftEnd.right,leftEnd.top,null,leftEnd.bottom);add(leftSide,rightStart.top,rightStart.left,rightStart.bottom)}else{add(leftEnd.right,leftEnd.top,rightStart.left-leftEnd.right,leftEnd.bottom)}}if(leftEnd.bottom<rightStart.top){add(leftSide,leftEnd.bottom,null,rightStart.top)}}output.appendChild(fragment)}function restartBlink(cm){if(!cm.state.focused){return}var display=cm.display;clearInterval(display.blinker);var on=true;display.cursorDiv.style.visibility="";if(cm.options.cursorBlinkRate>0){display.blinker=setInterval(function(){display.cursorDiv.style.visibility=(on=!on)?"":"hidden"},cm.options.cursorBlinkRate)}else{if(cm.options.cursorBlinkRate<0){display.cursorDiv.style.visibility="hidden"}}}function startWorker(cm,time){if(cm.doc.mode.startState&&cm.doc.frontier<cm.display.viewTo){cm.state.highlight.set(time,bind(highlightWorker,cm))}}function highlightWorker(cm){var doc=cm.doc;if(doc.frontier<doc.first){doc.frontier=doc.first}if(doc.frontier>=cm.display.viewTo){return}var end=+new Date+cm.options.workTime;var state=copyState(doc.mode,getStateBefore(cm,doc.frontier));var changedLines=[];doc.iter(doc.frontier,Math.min(doc.first+doc.size,cm.display.viewTo+500),function(line){if(doc.frontier>=cm.display.viewFrom){var oldStyles=line.styles;
var highlighted=highlightLine(cm,line,state,true);line.styles=highlighted.styles;var oldCls=line.styleClasses,newCls=highlighted.classes;if(newCls){line.styleClasses=newCls}else{if(oldCls){line.styleClasses=null}}var ischange=!oldStyles||oldStyles.length!=line.styles.length||oldCls!=newCls&&(!oldCls||!newCls||oldCls.bgClass!=newCls.bgClass||oldCls.textClass!=newCls.textClass);for(var i=0;!ischange&&i<oldStyles.length;++i){ischange=oldStyles[i]!=line.styles[i]}if(ischange){changedLines.push(doc.frontier)}line.stateAfter=copyState(doc.mode,state)}else{processLine(cm,line.text,state);line.stateAfter=doc.frontier%5==0?copyState(doc.mode,state):null}++doc.frontier;if(+new Date>end){startWorker(cm,cm.options.workDelay);return true}});if(changedLines.length){runInOp(cm,function(){for(var i=0;i<changedLines.length;i++){regLineChange(cm,changedLines[i],"text")}})}}function findStartLine(cm,n,precise){var minindent,minline,doc=cm.doc;var lim=precise?-1:n-(cm.doc.mode.innerMode?1000:100);for(var search=n;search>lim;--search){if(search<=doc.first){return doc.first}var line=getLine(doc,search-1);if(line.stateAfter&&(!precise||search<=doc.frontier)){return search}var indented=countColumn(line.text,null,cm.options.tabSize);if(minline==null||minindent>indented){minline=search-1;minindent=indented}}return minline}function getStateBefore(cm,n,precise){var doc=cm.doc,display=cm.display;if(!doc.mode.startState){return true}var pos=findStartLine(cm,n,precise),state=pos>doc.first&&getLine(doc,pos-1).stateAfter;if(!state){state=startState(doc.mode)}else{state=copyState(doc.mode,state)}doc.iter(pos,n,function(line){processLine(cm,line.text,state);var save=pos==n-1||pos%5==0||pos>=display.viewFrom&&pos<display.viewTo;line.stateAfter=save?copyState(doc.mode,state):null;++pos});if(precise){doc.frontier=pos}return state}function paddingTop(display){return display.lineSpace.offsetTop}function paddingVert(display){return display.mover.offsetHeight-display.lineSpace.offsetHeight}function paddingH(display){if(display.cachedPaddingH){return display.cachedPaddingH}var e=removeChildrenAndAdd(display.measure,elt("pre","x"));var style=window.getComputedStyle?window.getComputedStyle(e):e.currentStyle;var data={left:parseInt(style.paddingLeft),right:parseInt(style.paddingRight)};if(!isNaN(data.left)&&!isNaN(data.right)){display.cachedPaddingH=data}return data}function scrollGap(cm){return scrollerGap-cm.display.nativeBarWidth}function displayWidth(cm){return cm.display.scroller.clientWidth-scrollGap(cm)-cm.display.barWidth}function displayHeight(cm){return cm.display.scroller.clientHeight-scrollGap(cm)-cm.display.barHeight}function ensureLineHeights(cm,lineView,rect){var wrapping=cm.options.lineWrapping;var curWidth=wrapping&&displayWidth(cm);if(!lineView.measure.heights||wrapping&&lineView.measure.width!=curWidth){var heights=lineView.measure.heights=[];if(wrapping){lineView.measure.width=curWidth;var rects=lineView.text.firstChild.getClientRects();for(var i=0;i<rects.length-1;i++){var cur=rects[i],next=rects[i+1];if(Math.abs(cur.bottom-next.bottom)>2){heights.push((cur.bottom+next.top)/2-rect.top)}}}heights.push(rect.bottom-rect.top)}}function mapFromLineView(lineView,line,lineN){if(lineView.line==line){return{map:lineView.measure.map,cache:lineView.measure.cache}}for(var i=0;i<lineView.rest.length;i++){if(lineView.rest[i]==line){return{map:lineView.measure.maps[i],cache:lineView.measure.caches[i]}}}for(var i=0;i<lineView.rest.length;i++){if(lineNo(lineView.rest[i])>lineN){return{map:lineView.measure.maps[i],cache:lineView.measure.caches[i],before:true}}}}function updateExternalMeasurement(cm,line){line=visualLine(line);var lineN=lineNo(line);var view=cm.display.externalMeasured=new LineView(cm.doc,line,lineN);view.lineN=lineN;var built=view.built=buildLineContent(cm,view);view.text=built.pre;removeChildrenAndAdd(cm.display.lineMeasure,built.pre);return view}function measureChar(cm,line,ch,bias){return measureCharPrepared(cm,prepareMeasureForLine(cm,line),ch,bias)}function findViewForLine(cm,lineN){if(lineN>=cm.display.viewFrom&&lineN<cm.display.viewTo){return cm.display.view[findViewIndex(cm,lineN)]}var ext=cm.display.externalMeasured;if(ext&&lineN>=ext.lineN&&lineN<ext.lineN+ext.size){return ext}}function prepareMeasureForLine(cm,line){var lineN=lineNo(line);var view=findViewForLine(cm,lineN);if(view&&!view.text){view=null}else{if(view&&view.changes){updateLineForChanges(cm,view,lineN,getDimensions(cm))}}if(!view){view=updateExternalMeasurement(cm,line)}var info=mapFromLineView(view,line,lineN);return{line:line,view:view,rect:null,map:info.map,cache:info.cache,before:info.before,hasHeights:false}}function measureCharPrepared(cm,prepared,ch,bias,varHeight){if(prepared.before){ch=-1}var key=ch+(bias||""),found;if(prepared.cache.hasOwnProperty(key)){found=prepared.cache[key]}else{if(!prepared.rect){prepared.rect=prepared.view.text.getBoundingClientRect()}if(!prepared.hasHeights){ensureLineHeights(cm,prepared.view,prepared.rect);prepared.hasHeights=true
}found=measureCharInner(cm,prepared,ch,bias);if(!found.bogus){prepared.cache[key]=found}}return{left:found.left,right:found.right,top:varHeight?found.rtop:found.top,bottom:varHeight?found.rbottom:found.bottom}}var nullRect={left:0,right:0,top:0,bottom:0};function nodeAndOffsetInLineMap(map,ch,bias){var node,start,end,collapse;for(var i=0;i<map.length;i+=3){var mStart=map[i],mEnd=map[i+1];if(ch<mStart){start=0;end=1;collapse="left"}else{if(ch<mEnd){start=ch-mStart;end=start+1}else{if(i==map.length-3||ch==mEnd&&map[i+3]>ch){end=mEnd-mStart;start=end-1;if(ch>=mEnd){collapse="right"}}}}if(start!=null){node=map[i+2];if(mStart==mEnd&&bias==(node.insertLeft?"left":"right")){collapse=bias}if(bias=="left"&&start==0){while(i&&map[i-2]==map[i-3]&&map[i-1].insertLeft){node=map[(i-=3)+2];collapse="left"}}if(bias=="right"&&start==mEnd-mStart){while(i<map.length-3&&map[i+3]==map[i+4]&&!map[i+5].insertLeft){node=map[(i+=3)+2];collapse="right"}}break}}return{node:node,start:start,end:end,collapse:collapse,coverStart:mStart,coverEnd:mEnd}}function measureCharInner(cm,prepared,ch,bias){var place=nodeAndOffsetInLineMap(prepared.map,ch,bias);var node=place.node,start=place.start,end=place.end,collapse=place.collapse;var rect;if(node.nodeType==3){for(var i=0;i<4;i++){while(start&&isExtendingChar(prepared.line.text.charAt(place.coverStart+start))){--start}while(place.coverStart+end<place.coverEnd&&isExtendingChar(prepared.line.text.charAt(place.coverStart+end))){++end}if(ie&&ie_version<9&&start==0&&end==place.coverEnd-place.coverStart){rect=node.parentNode.getBoundingClientRect()}else{if(ie&&cm.options.lineWrapping){var rects=range(node,start,end).getClientRects();if(rects.length){rect=rects[bias=="right"?rects.length-1:0]}else{rect=nullRect}}else{rect=range(node,start,end).getBoundingClientRect()||nullRect}}if(rect.left||rect.right||start==0){break}end=start;start=start-1;collapse="right"}if(ie&&ie_version<11){rect=maybeUpdateRectForZooming(cm.display.measure,rect)}}else{if(start>0){collapse=bias="right"}var rects;if(cm.options.lineWrapping&&(rects=node.getClientRects()).length>1){rect=rects[bias=="right"?rects.length-1:0]}else{rect=node.getBoundingClientRect()}}if(ie&&ie_version<9&&!start&&(!rect||!rect.left&&!rect.right)){var rSpan=node.parentNode.getClientRects()[0];if(rSpan){rect={left:rSpan.left,right:rSpan.left+charWidth(cm.display),top:rSpan.top,bottom:rSpan.bottom}}else{rect=nullRect}}var rtop=rect.top-prepared.rect.top,rbot=rect.bottom-prepared.rect.top;var mid=(rtop+rbot)/2;var heights=prepared.view.measure.heights;for(var i=0;i<heights.length-1;i++){if(mid<heights[i]){break}}var top=i?heights[i-1]:0,bot=heights[i];var result={left:(collapse=="right"?rect.right:rect.left)-prepared.rect.left,right:(collapse=="left"?rect.left:rect.right)-prepared.rect.left,top:top,bottom:bot};if(!rect.left&&!rect.right){result.bogus=true}if(!cm.options.singleCursorHeightPerLine){result.rtop=rtop;result.rbottom=rbot}return result}function maybeUpdateRectForZooming(measure,rect){if(!window.screen||screen.logicalXDPI==null||screen.logicalXDPI==screen.deviceXDPI||!hasBadZoomedRects(measure)){return rect}var scaleX=screen.logicalXDPI/screen.deviceXDPI;var scaleY=screen.logicalYDPI/screen.deviceYDPI;return{left:rect.left*scaleX,right:rect.right*scaleX,top:rect.top*scaleY,bottom:rect.bottom*scaleY}}function clearLineMeasurementCacheFor(lineView){if(lineView.measure){lineView.measure.cache={};lineView.measure.heights=null;if(lineView.rest){for(var i=0;i<lineView.rest.length;i++){lineView.measure.caches[i]={}}}}}function clearLineMeasurementCache(cm){cm.display.externalMeasure=null;removeChildren(cm.display.lineMeasure);for(var i=0;i<cm.display.view.length;i++){clearLineMeasurementCacheFor(cm.display.view[i])}}function clearCaches(cm){clearLineMeasurementCache(cm);cm.display.cachedCharWidth=cm.display.cachedTextHeight=cm.display.cachedPaddingH=null;if(!cm.options.lineWrapping){cm.display.maxLineChanged=true}cm.display.lineNumChars=null}function pageScrollX(){return window.pageXOffset||(document.documentElement||document.body).scrollLeft}function pageScrollY(){return window.pageYOffset||(document.documentElement||document.body).scrollTop}function intoCoordSystem(cm,lineObj,rect,context){if(lineObj.widgets){for(var i=0;i<lineObj.widgets.length;++i){if(lineObj.widgets[i].above){var size=widgetHeight(lineObj.widgets[i]);rect.top+=size;rect.bottom+=size}}}if(context=="line"){return rect}if(!context){context="local"}var yOff=heightAtLine(lineObj);if(context=="local"){yOff+=paddingTop(cm.display)}else{yOff-=cm.display.viewOffset}if(context=="page"||context=="window"){var lOff=cm.display.lineSpace.getBoundingClientRect();yOff+=lOff.top+(context=="window"?0:pageScrollY());var xOff=lOff.left+(context=="window"?0:pageScrollX());rect.left+=xOff;rect.right+=xOff}rect.top+=yOff;rect.bottom+=yOff;return rect}function fromCoordSystem(cm,coords,context){if(context=="div"){return coords}var left=coords.left,top=coords.top;if(context=="page"){left-=pageScrollX();top-=pageScrollY()
}else{if(context=="local"||!context){var localBox=cm.display.sizer.getBoundingClientRect();left+=localBox.left;top+=localBox.top}}var lineSpaceBox=cm.display.lineSpace.getBoundingClientRect();return{left:left-lineSpaceBox.left,top:top-lineSpaceBox.top}}function charCoords(cm,pos,context,lineObj,bias){if(!lineObj){lineObj=getLine(cm.doc,pos.line)}return intoCoordSystem(cm,lineObj,measureChar(cm,lineObj,pos.ch,bias),context)}function cursorCoords(cm,pos,context,lineObj,preparedMeasure,varHeight){lineObj=lineObj||getLine(cm.doc,pos.line);if(!preparedMeasure){preparedMeasure=prepareMeasureForLine(cm,lineObj)}function get(ch,right){var m=measureCharPrepared(cm,preparedMeasure,ch,right?"right":"left",varHeight);if(right){m.left=m.right}else{m.right=m.left}return intoCoordSystem(cm,lineObj,m,context)}function getBidi(ch,partPos){var part=order[partPos],right=part.level%2;if(ch==bidiLeft(part)&&partPos&&part.level<order[partPos-1].level){part=order[--partPos];ch=bidiRight(part)-(part.level%2?0:1);right=true}else{if(ch==bidiRight(part)&&partPos<order.length-1&&part.level<order[partPos+1].level){part=order[++partPos];ch=bidiLeft(part)-part.level%2;right=false}}if(right&&ch==part.to&&ch>part.from){return get(ch-1)}return get(ch,right)}var order=getOrder(lineObj),ch=pos.ch;if(!order){return get(ch)}var partPos=getBidiPartAt(order,ch);var val=getBidi(ch,partPos);if(bidiOther!=null){val.other=getBidi(ch,bidiOther)}return val}function estimateCoords(cm,pos){var left=0,pos=clipPos(cm.doc,pos);if(!cm.options.lineWrapping){left=charWidth(cm.display)*pos.ch}var lineObj=getLine(cm.doc,pos.line);var top=heightAtLine(lineObj)+paddingTop(cm.display);return{left:left,right:left,top:top,bottom:top+lineObj.height}}function PosWithInfo(line,ch,outside,xRel){var pos=Pos(line,ch);pos.xRel=xRel;if(outside){pos.outside=true}return pos}function coordsChar(cm,x,y){var doc=cm.doc;y+=cm.display.viewOffset;if(y<0){return PosWithInfo(doc.first,0,true,-1)}var lineN=lineAtHeight(doc,y),last=doc.first+doc.size-1;if(lineN>last){return PosWithInfo(doc.first+doc.size-1,getLine(doc,last).text.length,true,1)}if(x<0){x=0}var lineObj=getLine(doc,lineN);for(;;){var found=coordsCharInner(cm,lineObj,lineN,x,y);var merged=collapsedSpanAtEnd(lineObj);var mergedPos=merged&&merged.find(0,true);if(merged&&(found.ch>mergedPos.from.ch||found.ch==mergedPos.from.ch&&found.xRel>0)){lineN=lineNo(lineObj=mergedPos.to.line)}else{return found}}}function coordsCharInner(cm,lineObj,lineNo,x,y){var innerOff=y-heightAtLine(lineObj);var wrongLine=false,adjust=2*cm.display.wrapper.clientWidth;var preparedMeasure=prepareMeasureForLine(cm,lineObj);function getX(ch){var sp=cursorCoords(cm,Pos(lineNo,ch),"line",lineObj,preparedMeasure);wrongLine=true;if(innerOff>sp.bottom){return sp.left-adjust}else{if(innerOff<sp.top){return sp.left+adjust}else{wrongLine=false}}return sp.left}var bidi=getOrder(lineObj),dist=lineObj.text.length;var from=lineLeft(lineObj),to=lineRight(lineObj);var fromX=getX(from),fromOutside=wrongLine,toX=getX(to),toOutside=wrongLine;if(x>toX){return PosWithInfo(lineNo,to,toOutside,1)}for(;;){if(bidi?to==from||to==moveVisually(lineObj,from,1):to-from<=1){var ch=x<fromX||x-fromX<=toX-x?from:to;var xDiff=x-(ch==from?fromX:toX);while(isExtendingChar(lineObj.text.charAt(ch))){++ch}var pos=PosWithInfo(lineNo,ch,ch==from?fromOutside:toOutside,xDiff<-1?-1:xDiff>1?1:0);return pos}var step=Math.ceil(dist/2),middle=from+step;if(bidi){middle=from;for(var i=0;i<step;++i){middle=moveVisually(lineObj,middle,1)}}var middleX=getX(middle);if(middleX>x){to=middle;toX=middleX;if(toOutside=wrongLine){toX+=1000}dist=step}else{from=middle;fromX=middleX;fromOutside=wrongLine;dist-=step}}}var measureText;function textHeight(display){if(display.cachedTextHeight!=null){return display.cachedTextHeight}if(measureText==null){measureText=elt("pre");for(var i=0;i<49;++i){measureText.appendChild(document.createTextNode("x"));measureText.appendChild(elt("br"))}measureText.appendChild(document.createTextNode("x"))}removeChildrenAndAdd(display.measure,measureText);var height=measureText.offsetHeight/50;if(height>3){display.cachedTextHeight=height}removeChildren(display.measure);return height||1}function charWidth(display){if(display.cachedCharWidth!=null){return display.cachedCharWidth}var anchor=elt("span","xxxxxxxxxx");var pre=elt("pre",[anchor]);removeChildrenAndAdd(display.measure,pre);var rect=anchor.getBoundingClientRect(),width=(rect.right-rect.left)/10;if(width>2){display.cachedCharWidth=width}return width||10}var operationGroup=null;var nextOpId=0;function startOperation(cm){cm.curOp={cm:cm,viewChanged:false,startHeight:cm.doc.height,forceUpdate:false,updateInput:null,typing:false,changeObjs:null,cursorActivityHandlers:null,cursorActivityCalled:0,selectionChanged:false,updateMaxLine:false,scrollLeft:null,scrollTop:null,scrollToPos:null,id:++nextOpId};if(operationGroup){operationGroup.ops.push(cm.curOp)}else{cm.curOp.ownsGroup=operationGroup={ops:[cm.curOp],delayedCallbacks:[]}}}function fireCallbacksForOps(group){var callbacks=group.delayedCallbacks,i=0;
do{for(;i<callbacks.length;i++){callbacks[i]()}for(var j=0;j<group.ops.length;j++){var op=group.ops[j];if(op.cursorActivityHandlers){while(op.cursorActivityCalled<op.cursorActivityHandlers.length){op.cursorActivityHandlers[op.cursorActivityCalled++](op.cm)}}}}while(i<callbacks.length)}function endOperation(cm){var op=cm.curOp,group=op.ownsGroup;if(!group){return}try{fireCallbacksForOps(group)}finally{operationGroup=null;for(var i=0;i<group.ops.length;i++){group.ops[i].cm.curOp=null}endOperations(group)}}function endOperations(group){var ops=group.ops;for(var i=0;i<ops.length;i++){endOperation_R1(ops[i])}for(var i=0;i<ops.length;i++){endOperation_W1(ops[i])}for(var i=0;i<ops.length;i++){endOperation_R2(ops[i])}for(var i=0;i<ops.length;i++){endOperation_W2(ops[i])}for(var i=0;i<ops.length;i++){endOperation_finish(ops[i])}}function endOperation_R1(op){var cm=op.cm,display=cm.display;maybeClipScrollbars(cm);if(op.updateMaxLine){findMaxLine(cm)}op.mustUpdate=op.viewChanged||op.forceUpdate||op.scrollTop!=null||op.scrollToPos&&(op.scrollToPos.from.line<display.viewFrom||op.scrollToPos.to.line>=display.viewTo)||display.maxLineChanged&&cm.options.lineWrapping;op.update=op.mustUpdate&&new DisplayUpdate(cm,op.mustUpdate&&{top:op.scrollTop,ensure:op.scrollToPos},op.forceUpdate)}function endOperation_W1(op){op.updatedDisplay=op.mustUpdate&&updateDisplayIfNeeded(op.cm,op.update)}function endOperation_R2(op){var cm=op.cm,display=cm.display;if(op.updatedDisplay){updateHeightsInViewport(cm)}op.barMeasure=measureForScrollbars(cm);if(display.maxLineChanged&&!cm.options.lineWrapping){op.adjustWidthTo=measureChar(cm,display.maxLine,display.maxLine.text.length).left+3;cm.display.sizerWidth=op.adjustWidthTo;op.barMeasure.scrollWidth=Math.max(display.scroller.clientWidth,display.sizer.offsetLeft+op.adjustWidthTo+scrollGap(cm)+cm.display.barWidth);op.maxScrollLeft=Math.max(0,display.sizer.offsetLeft+op.adjustWidthTo-displayWidth(cm))}if(op.updatedDisplay||op.selectionChanged){op.preparedSelection=display.input.prepareSelection()}}function endOperation_W2(op){var cm=op.cm;if(op.adjustWidthTo!=null){cm.display.sizer.style.minWidth=op.adjustWidthTo+"px";if(op.maxScrollLeft<cm.doc.scrollLeft){setScrollLeft(cm,Math.min(cm.display.scroller.scrollLeft,op.maxScrollLeft),true)}cm.display.maxLineChanged=false}if(op.preparedSelection){cm.display.input.showSelection(op.preparedSelection)}if(op.updatedDisplay){setDocumentHeight(cm,op.barMeasure)}if(op.updatedDisplay||op.startHeight!=cm.doc.height){updateScrollbars(cm,op.barMeasure)}if(op.selectionChanged){restartBlink(cm)}if(cm.state.focused&&op.updateInput){cm.display.input.reset(op.typing)}}function endOperation_finish(op){var cm=op.cm,display=cm.display,doc=cm.doc;if(op.updatedDisplay){postUpdateDisplay(cm,op.update)}if(display.wheelStartX!=null&&(op.scrollTop!=null||op.scrollLeft!=null||op.scrollToPos)){display.wheelStartX=display.wheelStartY=null}if(op.scrollTop!=null&&(display.scroller.scrollTop!=op.scrollTop||op.forceScroll)){doc.scrollTop=Math.max(0,Math.min(display.scroller.scrollHeight-display.scroller.clientHeight,op.scrollTop));display.scrollbars.setScrollTop(doc.scrollTop);display.scroller.scrollTop=doc.scrollTop}if(op.scrollLeft!=null&&(display.scroller.scrollLeft!=op.scrollLeft||op.forceScroll)){doc.scrollLeft=Math.max(0,Math.min(display.scroller.scrollWidth-displayWidth(cm),op.scrollLeft));display.scrollbars.setScrollLeft(doc.scrollLeft);display.scroller.scrollLeft=doc.scrollLeft;alignHorizontally(cm)}if(op.scrollToPos){var coords=scrollPosIntoView(cm,clipPos(doc,op.scrollToPos.from),clipPos(doc,op.scrollToPos.to),op.scrollToPos.margin);if(op.scrollToPos.isCursor&&cm.state.focused){maybeScrollWindow(cm,coords)}}var hidden=op.maybeHiddenMarkers,unhidden=op.maybeUnhiddenMarkers;if(hidden){for(var i=0;i<hidden.length;++i){if(!hidden[i].lines.length){signal(hidden[i],"hide")}}}if(unhidden){for(var i=0;i<unhidden.length;++i){if(unhidden[i].lines.length){signal(unhidden[i],"unhide")}}}if(display.wrapper.offsetHeight){doc.scrollTop=cm.display.scroller.scrollTop}if(op.changeObjs){signal(cm,"changes",cm,op.changeObjs)}if(op.update){op.update.finish()}}function runInOp(cm,f){if(cm.curOp){return f()}startOperation(cm);try{return f()}finally{endOperation(cm)}}function operation(cm,f){return function(){if(cm.curOp){return f.apply(cm,arguments)}startOperation(cm);try{return f.apply(cm,arguments)}finally{endOperation(cm)}}}function methodOp(f){return function(){if(this.curOp){return f.apply(this,arguments)}startOperation(this);try{return f.apply(this,arguments)}finally{endOperation(this)}}}function docMethodOp(f){return function(){var cm=this.cm;if(!cm||cm.curOp){return f.apply(this,arguments)}startOperation(cm);try{return f.apply(this,arguments)}finally{endOperation(cm)}}}function LineView(doc,line,lineN){this.line=line;this.rest=visualLineContinued(line);this.size=this.rest?lineNo(lst(this.rest))-lineN+1:1;this.node=this.text=null;this.hidden=lineIsHidden(doc,line)}function buildViewArray(cm,from,to){var array=[],nextPos;