diff --git a/CHANGELOG.md b/CHANGELOG.md index 2783f3da2..3c10abe43 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -2,7 +2,27 @@ ### New Features -- Added `mount` and `unmount` event to the web component +- **#225** Added `onCommit` listener to `mf.options`. This listener is invoked when + the user presses **Enter** or **Return** key, or when the field loses focus + and its value has changed since it acquired it. + In addition, a `change` event is triggered when using a `MathfieldElement`. + The event previously named `change` has been renamed to `input`. + This mimics the behavior of `` and ``,o+='',"manual"===this.options.virtualKeyboardMode?(o+=`
`,this.options.virtualKeyboardToggleGlyph?o+=this.options.virtualKeyboardToggleGlyph:o+='',o+="
"):o+="",o+="",o+='\n
\n \n \n
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cubic-bezier(0,0,.2,1);animation:ML__fade-in .15s cubic-bezier(0,0,.2,1)}@-webkit-keyframes ML__fade-in{0%{opacity:0}to{opacity:1}}@keyframes ML__fade-in{0%{opacity:0}to{opacity:1}}.ML__popover__content{border-radius:6px;padding:2px;cursor:pointer;min-height:100px;display:flex;flex-direction:column;justify-content:center;margin-left:8px;margin-right:8px}.ML__popover__content a{color:#5ea6fd;padding-top:.3em;margin-top:.4em;display:block}.ML__popover__content a:hover{color:#5ea6fd;text-decoration:underline}.ML__popover__content.active,.ML__popover__content.pressed,.ML__popover__content:hover{background:hsla(0,0%,100%,.1)}.ML__popover__command{font-size:1.6rem}.ML__popover__prev-shortcut{height:31px;opacity:.1;cursor:pointer;margin-left:8px;margin-right:8px;padding-top:4px;padding-bottom:2px}.ML__popover__next-shortcut:hover,.ML__popover__prev-shortcut:hover{opacity:.3}.ML__popover__next-shortcut.active,.ML__popover__next-shortcut.pressed,.ML__popover__prev-shortcut.active,.ML__popover__prev-shortcut.pressed{opacity:1}.ML__popover__next-shortcut>span,.ML__popover__prev-shortcut>span{padding:5px;border-radius:50%;width:20px;height:20px;display:inline-block}.ML__popover__prev-shortcut>span>span{margin-top:-2px;display:block}.ML__popover__next-shortcut>span>span{margin-top:2px;display:block}.ML__popover__next-shortcut:hover>span,.ML__popover__prev-shortcut:hover>span{background:hsla(0,0%,100%,.1)}.ML__popover__next-shortcut{height:34px;opacity:.1;cursor:pointer;margin-left:8px;margin-right:8px;padding-top:2px;padding-bottom:4px}.ML__popover__shortcut{font-size:.8em;margin-top:.25em}.ML__popover__note,.ML__popover__shortcut{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;opacity:.7;padding-top:.25em}.ML__popover__note{font-size:.8rem;line-height:1em;padding-left:.5em;padding-right:.5em}.ML__shortcut-join{opacity:.5}")),this.keystrokeCaption=Ci("mathlive-keystroke-caption-panel","ML__keystroke-caption"),this.stylesheets.push(dt(null,".ML__keystroke-caption{visibility:hidden;background:var(--secondary);border-color:var(--secondary-border);box-shadow:0 3px 6px rgba(0,0,0,.16),0 3px 6px rgba(0,0,0,.23);text-align:center;border-radius:6px;padding:16px;position:absolute;z-index:1;display:flex;flex-direction:row;justify-content:center;--keystroke:#fff;--on-keystroke:#555;--keystroke-border:#f7f7f7}@media (prefers-color-scheme:dark){body:not([theme=light]) .ML__keystroke-caption{--keystroke:hsl(var(--hue,212),50%,30%);--on-keystroke:#fafafa;--keystroke-border:hsl(var(--hue,212),50%,25%)}}body[theme=dark] 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c(e){clearTimeout(i),i=setTimeout((function(){clearTimeout(i),e()}))}function d(){if(function(e){return e.selectionStart!==e.selectionEnd}(e))return;const i=e.value;e.value="",i.length>0&&t.typedText(i)}const m=e;m.addEventListener("keydown",i=>{if(t.allowDeadKey()||"Dead"!==i.key&&"Unidentified"!==i.key&&229!==i.keyCode)l=!1;else{l=!0,r=!1;const i=t.blur,a=t.focus;t.blur=null,t.focus=null,"function"==typeof e.blur&&(e.blur(),e.focus()),t.blur=i,t.focus=a}return!(!r&&"CapsLock"!==i.code&&!/(Control|Meta|Alt|Shift)(Right|Left)/.test(i.code))||(a=i,o=null,t.keystroke(qa(i),i))},!0),m.addEventListener("keypress",e=>{r||(a&&o&&t.keystroke(qa(a),a),o=e,c(d))},!0),m.addEventListener("keyup",()=>{r||!a||o||d()},!0),m.addEventListener("paste",()=>{e.focus();const i=e.value;e.value="",i.length>0&&t.paste(i)},!0),m.addEventListener("blur",e=>{n||s||(n=!0,a=null,o=null,t.blur&&t.blur(),n=!1)},!0),m.addEventListener("focus",e=>{n||s||(s=!0,t.focus&&t.focus(),s=!1)},!0),m.addEventListener("compositionstart",()=>{r=!0},!0),m.addEventListener("compositionend",()=>{r=!1,l&&t.allowDeadKey()&&c(d)},!0),m.addEventListener("input",()=>{if(l){const i=t.blur,a=t.focus;t.blur=null,t.focus=null,e.blur(),e.focus(),t.blur=i,t.focus=a,l=!1,r=!1,t.allowDeadKey()&&c(d)}else r||c(d)})}(this.textarea,{allowDeadKey:()=>"text"===this.mode,typedText:e=>ro(this,e),paste:()=>lo(this),keystroke:(e,t)=>oo(this,e,t),focus:()=>this._onFocus(),blur:()=>this._onBlur()}),window.PointerEvent?Li(this.field,"pointerdown",this):Li(this.field,"touchstart:active mousedown",this),Li(window,"resize",this),this.model=new La({mode:this.options.defaultMode,macros:this.options.macros,removeExtraneousParentheses:this.options.removeExtraneousParentheses},{onContentDidChange:e=>this.options.onContentDidChange(this),onSelectionDidChange:e=>this._onSelectionDidChange(),onContentWillChange:()=>this.options.onContentWillChange(this),onSelectionWillChange:()=>this.options.onSelectionWillChange(this),onError:this.options.onError},{announce:(e,t,i,a)=>{var o,r;return null===(r=(o=this.options).onAnnounce)||void 0===r?void 0:r.call(o,this,t,i,a)},moveOut:(e,t)=>this.options.onMoveOutOf(this,t),tabOut:(e,t)=>this.options.onTabOutOf(this,t)},this),this.undoManager=new Ta(this.model),va(this.model,a,{insertionMode:"replaceAll",selectionMode:"after",format:"latex",mode:"math",suppressChangeNotifications:!0,macros:this.options.macros}),this.undoManager.startRecording(),this.undoManager.snapshot(this.options),this.model.setListeners({onContentDidChange:e=>this.options.onContentDidChange(this),onSelectionDidChange:e=>this._onSelectionDidChange(),onContentWillChange:()=>this.options.onContentWillChange(this),onSelectionWillChange:()=>this.options.onSelectionWillChange(this),onError:this.options.onError}),this.model.setHooks({announce:(e,t,i,a)=>{var o,r;return null===(r=(o=this.options).onAnnounce)||void 0===r?void 0:r.call(o,this,t,i,a)},moveOut:(e,t)=>this.options.onMoveOutOf(this,t),tabOut:(e,t)=>this.options.onTabOutOf(this,t)}),this.options.locale.startsWith(xi().locale)||vi(this.options.locale),this.keybindings=Si(this.options.keybindings,e=>{"function"==typeof this.options.onError&&this.options.onError({code:"invalid-keybinding",arg:e.join("\n")})}),sa(this)}$setConfig(e){this.setOptions(e)}setOptions(e){this.options=Ja(this.options,e),this.model.setListeners({onContentDidChange:e=>this.options.onContentDidChange(this),onSelectionDidChange:e=>this._onSelectionDidChange(),onContentWillChange:()=>this.options.onContentWillChange(this),onSelectionWillChange:()=>this.options.onSelectionWillChange(this),onError:this.options.onError}),this.model.setHooks({announce:(e,t,i,a)=>{var o,r;return null===(r=(o=this.options).onAnnounce)||void 0===r?void 0:r.call(o,this,t,i,a)},moveOut:(e,t)=>this.options.onMoveOutOf(this,t),tabOut:(e,t)=>this.options.onTabOutOf(this,t)}),this.options.locale.startsWith(xi().locale)||vi(this.options.locale),this.keybindings=Si(this.options.keybindings,e=>{"function"==typeof this.options.onError&&this.options.onError({code:"invalid-keybinding",arg:e.join("\n")})}),this.options.readOnly||this._onBlur();const t=this.model.root.toLatex();va(this.model,t,{insertionMode:"replaceAll",selectionMode:"after",format:"latex",mode:"math",suppressChangeNotifications:!0,macros:this.options.macros}),sa(this)}getConfig(e){return Qa(this.options,e)}getOptions(e){return Qa(this.options,e)}getOption(e){return Qa(this.options,e)}handleEvent(e){switch(e.type){case"focus":this.eventHandlingInProgress||(this.eventHandlingInProgress="focus",this._onFocus(),this.eventHandlingInProgress="");break;case"blur":this.eventHandlingInProgress||(this.eventHandlingInProgress="blur",this._onBlur(),this.eventHandlingInProgress="");break;case"touchstart":case"mousedown":case"pointerdown":!function(e,t){const i=e;let a,o=!1,r=!1,s=!1;if(1!==t.buttons&&0!==t.buttons)return;let n=!1,l=!1;const c=t.touches?t.touches[0].clientX:t.clientX,d=t.touches?t.touches[0].clientY:t.clientY,m=Date.now(),p=setInterval(()=>{n?i.field.scroll({top:0,left:i.field.scrollLeft-16}):l&&i.field.scroll({top:0,left:i.field.scrollLeft+16})},32);function 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n=document.createElement("div");n.className="ML__scroller",e.element.appendChild(n),n.style.left=f.left-200+"px",n=document.createElement("div"),n.className="ML__scroller",e.element.appendChild(n),n.style.left=f.right+"px",t.shiftKey?(ci(e.model,e.model.path,a),a=bt(e.model.path),a[a.length-1].offset-=1):Rt(e.model,a,0),s=!0,e.style={},3===t.detail||mo>2?(u(t),3!==t.detail&&3!==mo||ai(e.model)):o||(o=!0,window.PointerEvent?(Li(i.field,"pointermove",h),Li(i.field,"pointerup pointercancel",u),i.field.setPointerCapture(t.pointerId)):(Li(window,"blur",u),t.touches?(Li(t.target,"touchmove",h),Li(t.target,"touchcancel touchend",u)):(Li(window,"mousemove",h),Li(window,"mouseup",u))),2!==t.detail&&2!==mo||(r=!0,ii(e.model)))}}else 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0!==e?e:{},window.mathlive.readAloudAudio?window.mathlive.readAloudAudio.paused?"paused":window.mathlive.readAloudAudio.ended?"ready":"playing":"ready"):"unavailable"}(),pauseReadAloud:()=>{!function(){var e;window&&(window.mathlive=null!==(e=window.mathlive)&&void 0!==e?e:{},window.mathlive.readAloudAudio&&(window.mathlive.onReadAloudStatus&&window.mathlive.onReadAloudStatus(window.mathlive.readAloudMathField,"paused"),window.mathlive.readAloudAudio.pause()))}()},resumeReadAloud:()=>{!function(){var e;window&&(window.mathlive=null!==(e=window.mathlive)&&void 0!==e?e:{},window.mathlive.readAloudAudio&&(window.mathlive.onReadAloudStatus&&window.mathlive.onReadAloudStatus(window.mathlive.readAloudMathField,"playing"),window.mathlive.readAloudAudio.play()))}()},playReadAloud:(e,t)=>{!function(e,t){var i;if(window&&(window.mathlive=null!==(i=window.mathlive)&&void 0!==i?i:{},window.mathlive.readAloudAudio)){let i=0;if(window.mathlive.readAloudFinalToken=null,e){window.mathlive.readAloudMarks=window.mathlive.readAloudMarks||[];for(const t of window.mathlive.readAloudMarks)t.value===e&&(i=t.time/1e3);let a=window.mathlive.readAloudTokens.indexOf(e);a>=0&&(a+=t,a { clearTimeout(callbackTimeoutID); cb(); }); @@ -22707,10 +22713,10 @@ function delegateKeyboardEvents(textarea, handlers) { // Some browsers (Firefox, Opera) fire a keypress event for commands // such as command-C where there might be a non-empty selection. // We need to ignore these. - if (hasSelection(textarea)) + if (textarea.selectionStart !== textarea.selectionEnd) return; - const text = textarea['value']; - textarea['value'] = ''; + const text = textarea.value; + textarea.value = ''; if (text.length > 0) handlers.typedText(text); } @@ -22741,7 +22747,7 @@ function delegateKeyboardEvents(textarea, handlers) { } if (!compositionInProgress && e.code !== 'CapsLock' && - !/(Control|Meta|Alt|Shift)(Right|Left)/.test(e.code)) { + !/(Control|Meta|Alt|Shift)(Left|Right)/.test(e.code)) { keydownEvent = e; keypressEvent = null; return handlers.keystroke(keyboardEventToString(e), e); @@ -22770,8 +22776,8 @@ function delegateKeyboardEvents(textarea, handlers) { // In some cases (Linux browsers), the text area might not be focused // when doing a middle-click paste command. textarea.focus(); - const text = textarea['value']; - textarea['value'] = ''; + const text = textarea.value; + textarea.value = ''; if (text.length > 0) handlers.paste(text); }, true); @@ -22825,9 +22831,6 @@ function delegateKeyboardEvents(textarea, handlers) { } }); } -function hasSelection(textarea) { - return textarea.selectionStart !== textarea.selectionEnd; -} function eventToChar(evt) { var _a; if (!evt) @@ -24726,6 +24729,7 @@ function update(current, updates) { case 'onUndoStateWillChange': case 'onUndoStateDidChange': case 'onModeChange': + case 'onCommit': case 'onVirtualKeyboardToggle': case 'onReadAloudStatus': case 'onError': @@ -24851,6 +24855,7 @@ function getDefault() { onModeChange: NO_OP_LISTENER, onVirtualKeyboardToggle: NO_OP_LISTENER, onReadAloudStatus: NO_OP_LISTENER, + onCommit: NO_OP_LISTENER, onError: () => { return; }, @@ -25279,6 +25284,19 @@ function onKeystroke(mathfield, keystroke, evt) { if (!shortcut && !selector) { selector = getCommandForKeybinding(mathfield.keybindings, mathfield.mode, keystroke); } + if (!shortcut && + !selector && + (keystroke === '[Enter]' || keystroke === '[Return]')) { + // No matching keybinding: trigger a commit + if (typeof mathfield.options.onCommit === 'function') { + mathfield.options.onCommit(mathfield); + if (evt === null || evt === void 0 ? void 0 : evt.preventDefault) { + evt.preventDefault(); + evt.stopPropagation(); + } + return false; + } + } // No shortcut :( We're done. if (!shortcut && !selector) { return true; @@ -25653,6 +25671,12 @@ register$2({ onTypedText(mathfield, text); return true; }, + commit: (mathfield) => { + if (typeof mathfield.options.onCommit === 'function') { + mathfield.options.onCommit(mathfield); + } + return true; + }, }); function applyStyle$4(mathfield, inStyle) { @@ -30515,12 +30539,10 @@ class MathfieldPrivate { delegateKeyboardEvents(this.textarea, { allowDeadKey: () => this.mode === 'text', typedText: (text) => onTypedText(this, text), - paste: () => { - return onPaste(this); - }, + paste: () => onPaste(this), keystroke: (keystroke, e) => onKeystroke(this, keystroke, e), - focus: () => this._onFocus(), - blur: () => this._onBlur(), + focus: () => this.onFocus(), + blur: () => this.onBlur(), }); // Delegate mouse and touch events if (window.PointerEvent) { @@ -30623,7 +30645,7 @@ class MathfieldPrivate { console.log(e.join('\n')); }); if (!this.options.readOnly) { - this._onBlur(); + this.onBlur(); } // Changing some config options (i.e. `macros`) may // require the content to be reparsed and re-rendered @@ -30663,14 +30685,14 @@ class MathfieldPrivate { case 'focus': if (!this.eventHandlingInProgress) { this.eventHandlingInProgress = 'focus'; - this._onFocus(); + this.onFocus(); this.eventHandlingInProgress = ''; } break; case 'blur': if (!this.eventHandlingInProgress) { this.eventHandlingInProgress = 'blur'; - this._onBlur(); + this.onBlur(); this.eventHandlingInProgress = ''; } break; @@ -30793,7 +30815,7 @@ class MathfieldPrivate { this.options.onSelectionDidChange(this); } } - _onFocus() { + onFocus() { if (this.options.readOnly) return; if (this.blurred) { @@ -30810,10 +30832,15 @@ class MathfieldPrivate { if (this.options.onFocus) { this.options.onFocus(this); } + // Save the current value. + // It will be compared in `onBlur()` to see if the + // `onCommit` listener needs to be invoked. This + // mimic the `` and `