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Diffstat (limited to 'scripts/theme-studio/app-core.js')
| -rw-r--r-- | scripts/theme-studio/app-core.js | 558 |
1 files changed, 558 insertions, 0 deletions
diff --git a/scripts/theme-studio/app-core.js b/scripts/theme-studio/app-core.js new file mode 100644 index 000000000..f02191c67 --- /dev/null +++ b/scripts/theme-studio/app-core.js @@ -0,0 +1,558 @@ +// Pure app logic — the package-face model and the dropdown option list — with no +// DOM and no module globals (every dependency is a parameter). It is unit-tested +// directly (test-app-core.mjs) and inlined into the page like colormath.js, so +// the browser runs the same code the tests import. The app.js wrappers (pname, +// seedPkgmap, ddList, pkgEffFg, pkgEffBg) are thin delegators that pass the +// live PALETTE / APPS / PKGMAP into these. +// +// The imports below are for the Node tests; generate.py strips them on inline, +// where normHex (app-util.js) and the colormath helpers are already present from +// the bodies inlined above this one. +import { normHex } from './app-util.js'; +import { oklch2hex, srgb2oklab, oklab2lrgb, lrgb2hex, inGamut, contrast, oklchOf, isPureEndpointHex, reliefColors } from './colormath.js'; + +// Resolve a palette name (or a raw #hex) to a hex; null when the name is unknown. +function nameToHex(n,palette){if(!n)return null;if(/^#/.test(n))return n;const p=palette.find(p=>p[1]===n);return p?p[0]:null;} + +// Convert a face dict's legacy boolean style fields to the new shape: bold -> +// weight "bold", italic -> slant "italic", underline true -> {style:line,color}, +// strike true -> {color}. An explicit weight/slant already set wins over the +// legacy flag. Faces already in the new shape pass through, so this is safe on +// any input. Mirrors migrate_legacy in face_specs.py; keep the two in step. +function migrateLegacyFace(d){ + const out=Object.assign({},d||{}); + if('bold' in out){const b=out.bold;delete out.bold;if(b&&out.weight==null)out.weight='bold';} + if('italic' in out){const i=out.italic;delete out.italic;if(i&&out.slant==null)out.slant='italic';} + if('underline' in out){if(out.underline===true)out.underline={style:'line',color:null};else if(out.underline===false)out.underline=null;} + if('strike' in out){if(out.strike===true)out.strike={color:null};else if(out.strike===false)out.strike=null;} + return out; +} + +// --- face CSS rendering ------------------------------------------------------ +// Pure builders for the face preview/inline CSS strings. app.js's syntaxStyle / +// uiCss / ofs / udeco wrappers differ only in how they resolve fg/bg and whether +// they add a font-size; they all delegate here. cssWeight maps the curated weight +// names to numeric CSS weights; faceDecoration is the underline/strike value. +function cssWeight(w){const M={light:300,normal:400,medium:500,semibold:600,bold:700,heavy:900};return w&&M[w]!=null?M[w]:'normal';} +function faceDecoration(face){return ((face.underline?'underline ':'')+(face.strike?'line-through':'')).trim()||'none';} +// A face's :box, rendered as an inset box-shadow (no layout shift). Returns the +// box-shadow VALUE (or '' for no box). 'line' is a flat border in the box color +// (or the face's own color when unset); 'released'/'pressed' are the 3D button +// styles Emacs draws, derived from explicit box color when set, otherwise BG so +// they read on any color (reliefColors is ported from xterm.c). +function boxCss(b,bg){if(!b||!b.style)return '';const w=b.width||1; + if(b.style==='released'||b.style==='pressed'){ + const r=(b.color||bg)?reliefColors(b.color||bg):{hl:null,sh:null}; + const hl=r.hl||'#ffffff33',sh=r.sh||'#00000066'; + const [a,z]=b.style==='released'?[hl,sh]:[sh,hl]; + return `inset ${w}px ${w}px 0 ${a},inset -${w}px -${w}px 0 ${z}`;} + return `inset 0 0 0 ${w}px ${b.color||'currentColor'}`;} +// CSS declaration string for FACE with already-resolved FG/BG. opts: noBg +// (never emit background), fontSize (em number for height), boxBg (background +// handed to the relief shading). Declaration order matches the strings the four +// callers previously assembled by hand, so the rendered output is unchanged. +function faceCss(face,fg,bg,opts){ + opts=opts||{}; + const parts=['color:'+fg]; + if(bg&&!opts.noBg)parts.push('background:'+bg); + parts.push('font-weight:'+cssWeight(face.weight), + 'font-style:'+(face.slant||'normal'), + 'text-decoration:'+faceDecoration(face)); + if(opts.fontSize!=null)parts.push('font-size:'+opts.fontSize+'em'); + const bx=boxCss(face.box,opts.boxBg); + if(bx)parts.push('box-shadow:'+bx); + return parts.join(';'); +} + +// Single source of truth for the per-face attribute model. One row per +// attribute drives both normalizePkgFace (defaulting + palette resolution) and +// packagesForExport (which attrs serialize and when). Adding a face attribute +// is one row here, not an edit in four hand-kept lists. +// def : value when unset +// resolve : fg/bg/distant-fg run through the palette name->hex resolver +// coerce : 'bool' -> !!v ; 'height' -> v||1 ; default -> v ?? def +// emit : export rule -- 'always' | 'truthy' | 'non-one' | 'bool' +// A hoisted function rather than a const: the inlined page calls normalizePkgFace +// at top level (seedPkgmap) before this point in source order, and a const would +// be in its temporal dead zone there; a function declaration is hoisted. +function faceAttrs(){return [ + {k:'fg', def:null, resolve:true, emit:'always'}, + {k:'bg', def:null, resolve:true, emit:'always'}, + {k:'distant-fg', def:null, resolve:true, emit:'truthy'}, + {k:'family', def:null, emit:'truthy'}, + {k:'weight', def:null, emit:'truthy'}, + {k:'slant', def:null, emit:'truthy'}, + {k:'underline', def:null, emit:'truthy'}, + {k:'strike', def:null, emit:'truthy'}, + {k:'overline', def:null, emit:'truthy'}, + {k:'inherit', def:null, emit:'always'}, + {k:'height', def:1, coerce:'height', emit:'non-one'}, + {k:'box', def:null, emit:'truthy'}, + {k:'inverse', def:false, coerce:'bool', emit:'bool'}, + {k:'extend', def:false, coerce:'bool', emit:'bool'}, +];} + +function normalizePkgFace(d,source,palette){ + d=migrateLegacyFace(d||{}); + const resolve=(v)=>palette?nameToHex(v,palette):v; + const out={}; + for(const a of faceAttrs()){ + let v=a.resolve?resolve(d[a.k]):d[a.k]; + out[a.k]=a.coerce==='bool'?!!v:a.coerce==='height'?(v||1):(v??a.def); + } + out.source=source||d.source||'user'; + return out; +} + + +// Seed the package-face map from the app inventory's per-face defaults. +function buildPkgmap(apps,palette){const m={};for(const app in apps){m[app]={};for(const row of apps[app].faces){m[app][row[0]]=normalizePkgFace(row[2],'default',palette);}}return m;} + +// The package faces worth exporting (anything seeded or user-touched), trimmed. +// Driven by FACE_ATTRS: each attribute's `emit` rule decides whether it lands. +function packagesForExport(map){const out={};for(const app in map){const faces={};for(const face in map[app]){const f=map[app][face];if(f.source==='default'||f.source==='user'||f.source==='cleared'){const o={};for(const a of faceAttrs()){const v=f[a.k];if(a.emit==='always')o[a.k]=v;else if(a.emit==='truthy'){if(v)o[a.k]=v;}else if(a.emit==='non-one'){if(v&&v!==1)o[a.k]=v;}else if(a.emit==='bool'){if(v)o[a.k]=true;}}o.source=f.source;faces[face]=o;}}if(Object.keys(faces).length)out[app]=faces;}return out;} + +// Merge an imported package block into a face map, filling missing fields. +function mergePackagesInto(map,pkgs){if(!pkgs)return;for(const app in pkgs){if(!map[app])map[app]={};for(const face in pkgs[app]){const f=pkgs[app][face]||{};map[app][face]=normalizePkgFace(f,f.source||'user');}}} + +// Effective fg/bg for a package face, following its inherit chain. seen guards +// against an inherit cycle (returns null rather than recursing forever). +function effResolve(map,app,face,attr,seen){seen=seen||{};const f=map[app]&&map[app][face];if(!f||seen[face])return null;seen[face]=1;if(f[attr])return f[attr];if(f.inherit&&map[app][f.inherit])return effResolve(map,app,f.inherit,attr,seen);return null;} + +// Emacs built-in inherit chains for the syntax categories theme studio exposes. +// An unset category foreground resolves the way the generated theme renders in +// Emacs: build-theme.el writes no override for an unset face, so Emacs falls back +// to the face's own :inherit -- comment-delimiter->comment, doc->string, +// property-name->variable-name, function-call->function-name -- not to the +// default foreground. +const SYNTAX_INHERIT={cmd:'cm',doc:'str',prop:'var',fnc:'fnd'}; + +// Effective foreground for a syntax category, following the Emacs inherit chain. +// SYNTAX maps category -> face object with an optional `fg`; DEFAULTFG is the +// theme's default foreground (the chain's floor). `dec` (decorator) is pinned to +// `ty`: Emacs has no decorator face and renders decorators with +// font-lock-type-face, so a dec color set in the studio would never reach Emacs. +// Walk an inherit chain from START, returning the first truthy valueFn(key) or +// null. nextFn(key) gives the parent key; a seen-set guards against a cycle. +function walkInheritChain(start,nextFn,valueFn){ + let k=start;const seen={}; + while(k&&!seen[k]){seen[k]=1;const v=valueFn(k);if(v)return v;k=nextFn(k);} + return null; +} +function resolveSyntaxFg(cat,syntax,defaultFg){ + const start=(cat==='dec')?'ty':cat; + return walkInheritChain(start,k=>SYNTAX_INHERIT[k],k=>syntax[k]&&syntax[k].fg)||defaultFg; +} + +// Emacs built-in inherit chains for the ui faces whose parent is also a studio ui +// face, so an unset attribute previews the way Emacs renders it: mode-line-inactive +// inherits mode-line, line-number-current-line inherits line-number. +const UI_INHERIT={'mode-line-inactive':'mode-line','line-number-current-line':'line-number'}; + +// First set value of ATTR ('fg'/'bg') for ui FACE, walking UI_INHERIT; null when +// nothing up the chain is set. The caller applies its own floor (default fg, +// ground, or transparent), since that floor differs per attribute and face. +function resolveUiAttr(face,attr,uimap){ + return walkInheritChain(face,f=>UI_INHERIT[f],f=>uimap[f]&&uimap[f][attr]); +} + +// Turn a theme name into a safe filename slug: collapse runs of disallowed +// characters to a single dash, trim leading/trailing dashes, fall back to 'theme'. +function slugify(name){return name.replace(/[^A-Za-z0-9._-]+/g,'-').replace(/^-+|-+$/g,'')||'theme';} + +// --- background-contrast safety (palette-ramps spec, Phase 3) ---------------- +// An overlay background sits behind many foregrounds at once, so its real +// constraint is the worst-case contrast over the whole set, not one fg/bg pair. + +// The closed v1 set of code-overlay faces whose worst-case floor we compute. +// Other overlay faces (secondary-selection, isearch-fail, ...) are vNext, added +// explicitly rather than by a heuristic. Shared by app.js and the tests. +const COVERED_FACES=['region','hl-line','highlight','lazy-highlight','isearch']; + +// A covered face's foreground set: the distinct syntax-token colors plus the +// default foreground, each labeled (syntax role preferred, else 'default'). +// state = {covered:[face], syntaxAssignments:[{role,hex}], defaultFg}. Returns +// {set:[{hex,label}]}, or {set:[],reason} where reason is 'out-of-scope' (the +// face isn't in the covered set) or 'empty' (no syntax assignments constrain it). +function fgSetFor(face,state){ + const covered=(state&&state.covered)||COVERED_FACES; + if(!covered.includes(face))return {set:[],reason:'out-of-scope'}; + const syn=((state&&state.syntaxAssignments)||[]).filter(a=>a&&a.hex); + if(!syn.length)return {set:[],reason:'empty'}; + const byHex=new Map(); + const add=(hex,label,name,isRole)=>{const k=hex.toLowerCase(),cur=byHex.get(k);if(!cur)byHex.set(k,{hex:k,label,name:name||label});else if(isRole&&cur.label==='default'){cur.label=label;cur.name=name||label;}}; + if(state&&state.defaultFg)add(state.defaultFg,'default','default',false); + for(const a of syn)add(a.hex,a.role||a.hex,a.name||a.role||a.hex,true); + return {set:[...byHex.values()]}; +} + +// Worst-case (minimum) WCAG contrast of a background against a foreground set, +// with the limiting foreground's hex and label. fgSet is fgSetFor's set. An empty +// set returns nulls so the caller can show the no-set readout instead of a floor. +function floor(bgHex,fgSet){ + if(!fgSet||!fgSet.length)return {ratio:null,limitingHex:null,limitingLabel:null}; + let best=Infinity,lh=null,ll=null; + for(const f of fgSet){const r=contrast(f.hex,bgHex);if(r<best){best=r;lh=f.hex;ll=f.label;}} + return {ratio:best,limitingHex:lh,limitingLabel:ll}; +} + +// The lightest background at (hue, chroma) whose worst-case floor over fgSet still +// clears target (a WCAG ratio). Scans L up from black to bracket the first +// dark-side crossing, then binary-searches it to tol 0.001. status: +// 'ok' - a ceiling L was found +// 'none' - even pure black fails (a foreground is too dark for the target) +// 'all' - no foreground set to constrain (vacuously safe everywhere) +// 'clamp' - the ceiling L can't hold the requested chroma (gamut-clamped there) +function lMax(hue,chroma,fgSet,target){ + if(!fgSet||!fgSet.length)return {L:1,status:'all'}; + const at=(L)=>{const {hex,clamped}=oklch2hex(L,chroma,hue);return {r:floor(hex,fgSet).ratio,clamped};}; + if(at(0).r<target)return {L:null,status:'none'}; + let loL=0,hiL=null; + for(let L=0.01;L<=1+1e-9;L+=0.01){const c=Math.min(L,1);if(at(c).r<target){hiL=c;break;}loL=c;} + if(hiL===null)return {L:1,status:'all'}; + for(let i=0;i<20;i++){const mid=(loL+hiL)/2;if(at(mid).r>=target)loL=mid;else hiL=mid;} + return {L:loL,status:at(loL).clamped?'clamp':'ok'}; +} + +// --- color columns ----------------------------------------------------------- +// Columns are structural, not inferred by color. Generated ramp entries are named +// base-1/base/base+1 and remain in that base column regardless of their hex. A +// manually-added color starts as its own singleton column. The flat palette stays +// the editable truth; these pure functions group it, regenerate a ramp, and plan +// assignment re-point across a regenerate. + +function isReservedGroundLikeName(name){return /^(bg|fg)(?:[-_+].+|\d.*)$/i.test(name||'');} +function interpOklabHex(a,b,t,offset){ + const lab={L:a.L+(b.L-a.L)*t,a:a.a+(b.a-a.a)*t,b:a.b+(b.b-a.b)*t}; + const lrgb=oklab2lrgb(lab.L,lab.a,lab.b); + return {hex:lrgb2hex(lrgb),offset,clamped:!inGamut(lrgb)}; +} +function columnStem(name){name=name||'color';if(/^color-\d+$/.test(name))return name;name=name.replace(/[+-]\d+$/,'');return name.replace(/\d+$/,'')||'color';} +function columnOffset(name){const m=(name||'').match(/([+-]\d+)$/);return m?parseInt(m[1],10):0;} +function legacyColumnStem(name){return isReservedGroundLikeName(name)?name:columnStem(name);} +function legacyColumnOffset(name){return isReservedGroundLikeName(name)?0:columnOffset(name);} +function columnIdOf(entry){return (entry&&entry[2])||legacyColumnStem(entry&&entry[1]);} +function groundRoleOfEntry(entry,ground){ + if(!entry)return null; + const [hex,name]=entry,col=entry[2],n=(name||'').toLowerCase(),h=(hex||'').toLowerCase(); + const bg=(ground&&ground.bg||'').toLowerCase(),fg=(ground&&ground.fg||'').toLowerCase(); + if(/^ground[+-]\d+$/i.test(name||''))return 'step'; + if(col==='ground'){ + if(bg&&h===bg)return 'bg'; + if(fg&&h===fg)return 'fg'; + return 'step'; + } + if(bg&&h===bg&&(n==='bg'||n==='ground'))return 'bg'; + if(fg&&h===fg&&n==='fg')return 'fg'; + return null; +} +function nameOfGroundRole(palette,ground,role){ + const found=palette.find(entry=>groundRoleOfEntry(entry,ground)===role); + return found?found[1]:null; +} + +function normalizePaletteEntryCore(entry){ + const hex=entry&&entry[0],name=(entry&&entry[1])||'color'; + return [hex,name,(entry&&entry[2])||columnIdOf(entry)]; +} + +function groundColumnMembersFromPalette(palette,ground){ + const byRole={bg:null,fg:null,steps:[]}; + for(const entry of palette){ + const role=groundRoleOfEntry(entry,ground); + if(role==='bg'||role==='fg')byRole[role]={hex:entry[0],name:entry[1]}; + else if(role==='step')byRole.steps.push({hex:entry[0],name:entry[1]}); + } + const stepIndex=m=>{const x=(m.name||'').match(/^ground[+-](\d+)$/i);return x?parseInt(x[1],10):Infinity;}; + byRole.steps.sort((a,b)=>stepIndex(a)-stepIndex(b)); + return [byRole.bg||{hex:ground&&ground.bg,name:'bg'},...byRole.steps,byRole.fg||{hex:ground&&ground.fg,name:'fg'}].filter(m=>m.hex); +} + +function clearPalettePlan(palette,ground){ + const normalized=palette.map(normalizePaletteEntryCore),removed=[],keep=[]; + normalized.filter(entry=>!groundRoleOfEntry(entry,ground)).forEach(([hex,name])=>{if(name)removed.push({hex,name});}); + const addEndpoint=(role,hex,name)=>{ + const found=normalized.find(entry=>groundRoleOfEntry(entry,ground)===role); + if(found)keep.push(found);else if(hex)keep.push([hex,name,'ground']); + }; + addEndpoint('bg',ground&&ground.bg,'bg'); + addEndpoint('fg',ground&&ground.fg,'fg'); + return {palette:keep,removed}; +} + +function deletePaletteColumnPlan(palette,ground,columnId){ + const normalized=palette.map(normalizePaletteEntryCore),removed=[],keep=[]; + for(const entry of normalized){ + if(groundRoleOfEntry(entry,ground)||columnIdOf(entry)!==columnId)keep.push(entry); + else removed.push({hex:entry[0],name:entry[1]}); + } + return {palette:keep,removed}; +} + +function areAllLocked(keys,locked){ + const has=k=>locked instanceof Set?locked.has(k):Array.isArray(locked)&&locked.includes(k); + return !!(keys&&keys.length)&&keys.every(has); +} +function lockToggleLabel(keys,locked){return areAllLocked(keys,locked)?'unlock all':'lock all';} +function toggleLockSet(keys,locked){ + const next=new Set(locked||[]),all=areAllLocked(keys,next); + (keys||[]).forEach(k=>all?next.delete(k):next.add(k)); + return next; +} + +// Group a flat palette into the ground strip plus structural columns. ground is +// {bg,fg}; those endpoint hexes form the pinned ground column even when absent +// from the palette, and ground+N entries are reserved for that column. Everything +// else groups by its stable column id, not by OKLCH hue/chroma or display name. +// Legacy two-field entries fall back to their generated-name stem until edited. +// Reverse lookup: every palette hex referenced by an assignment (syntax, ui, or +// package fg / bg / box-color), plus the ground endpoints, which are always in +// use. Values may be palette names or hexes; nameToHex resolves both, so a tile +// whose hex is absent from this set is genuinely unreferenced. Biased safe: an +// unresolvable value simply marks nothing, so a used color is never flagged. +function usedPaletteHexes(palette,syntax,uimap,pkgmap,ground){ + const used=new Set(); + const add=v=>{const h=nameToHex(v,palette);if(h)used.add(h.toLowerCase());}; + const addFace=f=>{if(!f)return;add(f.fg);add(f.bg);if(f.box&&f.box.color)add(f.box.color);}; + if(ground){if(ground.bg)add(ground.bg);if(ground.fg)add(ground.fg);} + for(const k in (syntax||{}))addFace(syntax[k]); + for(const face in (uimap||{}))addFace(uimap[face]); + for(const app in (pkgmap||{}))for(const face in pkgmap[app])addFace(pkgmap[app][face]); + return used; +} +// Enumerate where a palette color is used, as "area > element" strings. scopes +// is [{area, faces:{element: faceObj}}] -- one scope per view area (color/code, +// ui faces, each package app), element keyed by its display label. A face counts +// if any of fg / bg / box-color resolves (by hex or palette name) to the target. +function paletteUsages(hex,scopes,palette){ + const target=(hex||'').toLowerCase(); + if(!target)return []; + const out=[]; + for(const {area,faces} of (scopes||[])){ + for(const element in (faces||{})){ + const f=faces[element];if(!f)continue; + const vals=[f.fg,f.bg,f.box&&f.box.color]; + if(vals.some(v=>{const h=nameToHex(v,palette);return h&&h.toLowerCase()===target;}))out.push(area+' > '+element); + } + } + return out; +} +function columnsFromPalette(palette,ground){ + const bg=ground&&ground.bg,fg=ground&&ground.fg; + const groundStrip=[]; + if(bg)groundStrip.push({hex:bg,role:'bg',name:nameOfGroundRole(palette,ground,'bg')}); + if(fg)groundStrip.push({hex:fg,role:'fg',name:nameOfGroundRole(palette,ground,'fg')}); + const byColumn=new Map(),columns=[]; + for(const entry of palette){ + const [hex,name]=entry; + if(groundRoleOfEntry(entry,ground))continue; + const column=columnIdOf(entry),offset=entry[2]?columnOffset(name):legacyColumnOffset(name); + if(!byColumn.has(column))byColumn.set(column,{column,members:[]}); + byColumn.get(column).members.push({hex,name,offset,column}); + } + for(const f of byColumn.values()){ + const base=(f.members.find(m=>m.offset===0)||f.members[0]).hex; + columns.push({base,column:f.column,stem:f.column,members:f.members.map(m=>({hex:m.hex,name:m.name,column:m.column}))}); + } + return {ground:groundStrip,columns}; +} +// Regenerate a column's members as a symmetric span around the base: n=0 is the +// base alone, n>=1 divides the OKLab intervals black..base and base..white into +// n interior steps per side. Pure black/white endpoint duplicates and rounded +// base duplicates are skipped. {members:[{hex,offset,clamped}]} or +// {members:[],error:'bad-hex'}. +function regenColumn(baseHex,n,opts){ + opts=opts||{}; + const hex=typeof baseHex==='string'?normHex(baseHex):null; + if(!hex)return {members:[],error:'bad-hex'}; + const k=Math.min(8,Math.max(0,Math.round(n||0))); + if(k===0)return {members:[{hex,offset:0,clamped:false}]}; + // Bound the span to the ground endpoints when given: the dark side ramps toward + // the darker ground (bg), the light side toward the lighter ground (fg), so no + // generated step is darker than bg or lighter than fg. Falls back to pure + // black/white when no ground is supplied. isPureEndpointHex still dedupes the + // black/white case when bg/fg are themselves pure. + const g=opts.ground||{}; + const gb=(g.bg&&normHex(g.bg))?srgb2oklab(normHex(g.bg)):srgb2oklab('#000000'); + const gf=(g.fg&&normHex(g.fg))?srgb2oklab(normHex(g.fg)):srgb2oklab('#ffffff'); + const darkEnd=gb.L<=gf.L?gb:gf, lightEnd=gb.L<=gf.L?gf:gb; + const base=srgb2oklab(hex),steps=[]; + for(let i=1;i<=k;i++){ + const dark=interpOklabHex(darkEnd,base,i/(k+1),i-k-1); + const light=interpOklabHex(base,lightEnd,i/(k+1),i); + steps.push(dark,light); + } + const members=[...steps.filter(s=>!isPureEndpointHex(s.hex)&&s.hex.toLowerCase()!==hex),{hex,offset:0,clamped:false}].sort((a,b)=>a.offset-b.offset); + return {members}; +} +// Rank a column's current member hexes by lightness and give each a signed offset +// from the base (the matching hex, or the nearest by lightness if the base isn't +// present). Lets a regenerate match old positions to new ramp offsets. +function rankByLightness(memberHexes,baseHex){ + const items=memberHexes.map(h=>({hex:h,L:oklchOf(h).L})).sort((a,b)=>a.L-b.L); + let bi=items.findIndex(m=>m.hex.toLowerCase()===(baseHex||'').toLowerCase()); + if(bi<0){const bl=oklchOf(baseHex).L;let best=Infinity;items.forEach((m,i)=>{const d=Math.abs(m.L-bl);if(d<best){best=d;bi=i;}});} + return items.map((m,i)=>({hex:m.hex,offset:i-bi})); +} +// Plan the assignment re-point for a regenerate: for each old ranked member, the +// new member at the same offset is the same position. {map:[[old,new]]} for +// positions whose hex changed; {removed:[hex]} for positions with no new +// counterpart (the caller leaves their references a visible "(gone)"). +function stepRepointPlan(oldRanked,newMembers){ + const byOff=new Map(newMembers.map(m=>[m.offset,m.hex])),map=[],removed=[]; + for(const o of oldRanked){ + const nh=byOff.get(o.offset); + if(nh===undefined)removed.push(o.hex); + else if(nh.toLowerCase()!==o.hex.toLowerCase())map.push([o.hex,nh]); + } + return {map,removed}; +} + +// Preserve structural order. Generated ramps are inserted in offset order, and +// columns are emitted in first-seen palette order. No color sorting happens here. +function sortColumnMembers(column){return Object.assign({},column,{members:[...column.members]});} +function sortColumns(columns){return columns.map(sortColumnMembers);} +function lightestFirstMembers(members){return [...members].sort((a,b)=>oklchOf(b.hex).L-oklchOf(a.hex).L);} + +// Dropdown order for color selection mirrors the visual palette organization: +// bg/fg first, then structural columns in display order. Within each group, +// choices run lightest-to-darkest. Stored palette order stays untouched; this is +// selection-only organization. +function paletteOptionList(cur,palette,ground){ + const have=cur===''||palette.some(p=>p[0]===cur)||[ground&&ground.bg,ground&&ground.fg].filter(Boolean).includes(cur); + const out=[['','— default —']],seen=new Set(); + if(!have)out.push([cur,'(gone)']); + const add=(hex,name)=>{if(!hex)return;const key=hex.toLowerCase()+'|'+(name||'');if(seen.has(key))return;seen.add(key);out.push([hex,name||hex]);}; + const grouped=columnsFromPalette(palette,ground||{}); + const groundMembers=grouped.ground.map(g=>({hex:g.hex,name:g.name||g.role})) + .concat(palette.filter(entry=>groundRoleOfEntry(entry,ground)==='step').map(([hex,name])=>({hex,name}))); + groundMembers.forEach(m=>add(m.hex,m.name)); + sortColumns(grouped.columns).forEach(f=>lightestFirstMembers(f.members).forEach(m=>add(m.hex,m.name))); + return out; +} +// Grid model for the gallery color picker. Mirrors the palette panel layout: a +// ground row (bg/fg + ground steps) then one row per color family, members run +// dark->light to match the panel. cur marks the one selected cell. The leading +// "default" entry (clears the assignment) and, when cur points at a color no +// longer in the palette, a "(gone)" entry live outside the family grid so every +// dropdown choice stays reachable. Pure — shares columnsFromPalette / sortColumns +// with the panel and the option list. +function galleryModel(cur,palette,ground){ + const want=(cur||'').toLowerCase(),sel=h=>(h||'').toLowerCase()===want; + const byLightAsc=(a,b)=>oklchOf(a.hex).L-oklchOf(b.hex).L; + const cell=m=>({hex:m.hex,name:m.name||m.hex,selected:sel(m.hex)}); + const rows=[]; + const groundCells=groundColumnMembersFromPalette(palette,ground||{}) + .filter(m=>m&&m.hex).sort(byLightAsc).map(cell); + if(groundCells.length)rows.push({kind:'ground',cells:groundCells}); + sortColumns(columnsFromPalette(palette,ground||{}).columns).forEach(f=>{ + const cells=[...f.members].filter(m=>m&&m.hex).sort(byLightAsc).map(cell); + if(cells.length)rows.push({kind:'column',column:f.column,cells}); + }); + const have=cur===''||cur==null||rows.some(r=>r.cells.some(c=>sel(c.hex))); + const gone=(cur&&!have)?{hex:cur,name:'(gone)',selected:true}:null; + return {default:{hex:'',selected:cur===''||cur==null},gone,rows}; +} +function spanNeighborHex(cur,palette,ground,dir){ + if(!cur)return null; + const wanted=(cur||'').toLowerCase(),groups=[],byLight=(a,b)=>oklchOf(a.hex).L-oklchOf(b.hex).L; + const addGroup=members=>{ + const seen=new Set(),g=[]; + members.filter(m=>m&&m.hex).sort(byLight).forEach(m=>{const h=m.hex.toLowerCase();if(!seen.has(h)){seen.add(h);g.push(m);}}); + if(g.length)groups.push(g); + }; + addGroup(groundColumnMembersFromPalette(palette,ground||{})); + sortColumns(columnsFromPalette(palette,ground||{}).columns).forEach(f=>addGroup(f.members)); + for(const g of groups){ + const i=g.findIndex(m=>(m.hex||'').toLowerCase()===wanted); + if(i<0)continue; + const next=g[i+(dir>0?1:-1)]; + return next?next.hex:null; + } + return null; +} + +// The package apps for the assignment-view dropdown, keyed and sorted by display +// label (case-insensitive). generate.py builds APPS as bespoke apps first then +// inventory apps, so the raw key order isn't alphabetical; this orders the list +// the reader scans. An app missing a label falls back to its key. +function appViewKeysSorted(apps){ + return Object.keys(apps||{}).sort((a,b)=> + String((apps[a]&&apps[a].label)||a).localeCompare( + String((apps[b]&&apps[b].label)||b), undefined, {sensitivity:'base'})); +} + +// The prev/next arrows step the view-dropdown selection by DIR (-1/+1), clamped +// to [0, LEN-1] with no wrap. An empty list (LEN<=0) keeps CUR. +function stepViewIndex(cur,len,dir){ + if(!(len>0)) return cur; + return Math.max(0, Math.min(len-1, cur+dir)); +} + +// Which of the six per-face setting boxes (fg, bg, style, inherit, height, box) +// differ from the face's seed default, so the table can mark a non-default box. +// A non-default height looks identical to the default in the number input, so the +// mark is the only at-a-glance signal. cur and def are face objects; the caller +// resolves fg/bg to hex first so a palette-name-vs-hex difference doesn't read as a +// change. The four style attributes collapse to one "style" flag. +function faceBoxNonDefaults(cur,def){ + cur=cur||{}; def=def||{}; + const eq=(a,b)=>(a??null)===(b??null); + return { + fg: !eq(cur.fg,def.fg), + bg: !eq(cur.bg,def.bg), + style: ['weight','slant','strike'].some(a=>JSON.stringify(cur[a]??null)!==JSON.stringify(def[a]??null)), + inherit: !eq(cur.inherit,def.inherit), + height: (cur.height||1)!==(def.height||1), + box: JSON.stringify(cur.box??null)!==JSON.stringify(def.box??null), + }; +} + +// True when the per-row expander hides at least one attribute that differs from +// the face's default, so the collapsed toggle can flag it. Covers exactly the +// attributes the expander holds: distant-fg, family, underline, overline, +// inverse, extend, and (for ui/syntax) inherit + height. The in-row controls +// (fg/bg/weight/slant/strike/box) have their own cell markers and are excluded. +function overflowNonDefault(cur,def,showInheritHeight){ + cur=cur||{}; def=def||{}; + const eq=(a,b)=>JSON.stringify(a??null)===JSON.stringify(b??null); + if(['distant-fg','family','underline','overline'].some(a=>!eq(cur[a],def[a])))return true; + if((!!cur.inverse)!==(!!def.inverse))return true; + if((!!cur.extend)!==(!!def.extend))return true; + if(showInheritHeight){ + if(!eq(cur.inherit,def.inherit))return true; + if((cur.height||1)!==(def.height||1))return true; + } + return false; +} + +// Height bounds for a face :height scaling factor. 0.1 is Emacs's own floor (a +// smaller value errors out) and doubles as the modeline-shrink-to-nothing value; +// 2.0 is the studio's chosen ceiling. The number input's min/max attributes only +// guard its stepper arrows — typed or pasted values bypass them — so every height +// edit is coerced through clampHeight instead. +const HEIGHT_MIN=0.1, HEIGHT_MAX=2.0; +// Coerce a height-field value to either null (unset → inherit the default height) +// or a number clamped into [min,max]. Blank/whitespace/non-numeric → null; any +// number, including 0, a negative, or an over-max value, snaps into range. +function clampHeight(raw,min=HEIGHT_MIN,max=HEIGHT_MAX){ + if(raw===null||raw===undefined)return null; + const s=(''+raw).trim(); + if(s==='')return null; + const n=parseFloat(s); + if(!isFinite(n))return null; + return n<min?min:n>max?max:n; +} + +// Compose an element-hover tooltip: the face's docstring on top, the existing +// hover text (e.g. the bare face name) below it, separated by a blank line. A +// missing doc or base collapses to whichever is present; missing both yields ''. +// Keyed lookups (FACE_DOCS[face], SYNTAX_DOCS[kind]) supply DOC; BASE is +// whatever title the element carried before. +function composeHoverTitle(doc,base){ + doc=doc||''; base=base||''; + if(doc&&base)return doc+'\n\n'+base; + return doc||base; +} + +export { nameToHex, migrateLegacyFace, cssWeight, faceDecoration, boxCss, faceCss, composeHoverTitle, normalizePkgFace, buildPkgmap, packagesForExport, mergePackagesInto, effResolve, resolveSyntaxFg, resolveUiAttr, paletteOptionList, galleryModel, appViewKeysSorted, faceBoxNonDefaults, overflowNonDefault, clampHeight, HEIGHT_MIN, HEIGHT_MAX, stepViewIndex, spanNeighborHex, slugify, fgSetFor, floor, lMax, COVERED_FACES, columnsFromPalette, usedPaletteHexes, paletteUsages, regenColumn, rankByLightness, stepRepointPlan, sortColumns, sortColumnMembers, groundRoleOfEntry, groundColumnMembersFromPalette, clearPalettePlan, deletePaletteColumnPlan, areAllLocked, lockToggleLabel, toggleLockSet }; |