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ac2cc93f2a
Relates to #5853. Two things happened here: 1. Construction of Mocks made an assumption that the selection should always be deleted (outputTarget.ts:363). However, for NewContext and PostKeystroke processes, we don't want to change anything. 2. Even if nothing is changed, the transcription would emit what is in theory a no-op ruleTransform (insert="", deleteLeft=0, deleteRight=0). But apps would treat this as deleting the selection. This fix goes a little broader than I would have preferred, but adds a readonly mode to the transcription and mock model, so that we can control explicitly when changes are applied to the text store.
47 lines
No EOL
2 KiB
TypeScript
47 lines
No EOL
2 KiB
TypeScript
namespace com.keyman.dom {
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text.prediction.LanguageProcessor.prototype.canEnable = function(): boolean {
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let keyman = com.keyman.singleton;
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if(keyman.util.getIEVersion() == 10) {
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console.warn("KeymanWeb cannot properly initialize its WebWorker in this version of IE.");
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return false;
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} else if(keyman.util.getIEVersion() < 10) {
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console.warn("WebWorkers are not supported in this version of IE.");
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return false;
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} else if(typeof Worker != 'function') {
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console.warn("WebWorkers are not supported by this browser.");
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return false;
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}
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return true;
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}
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let headlessRuleBehaviorFinalize = text.RuleBehavior.prototype.finalize;
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text.RuleBehavior.prototype.finalize = function(this: text.RuleBehavior, processor: text.KeyboardProcessor, outputTarget: text.OutputTarget, readonly: boolean) {
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let keyman = com.keyman.singleton;
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// Execute the standard baseline stuff first.
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headlessRuleBehaviorFinalize.call(this, processor);
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// newContext and postKeystroke events cannot emit content
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if(readonly) {
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return;
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}
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// If the transform isn't empty, we've changed text - which should produce a 'changed' event in the DOM.
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let ruleTransform = this.transcription.transform;
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if(ruleTransform.insert != "" || ruleTransform.deleteLeft > 0 || ruleTransform.deleteRight > 0) {
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if(outputTarget instanceof targets.OutputTarget && outputTarget.getElement() == keyman.domManager.activeElement) {
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dom.DOMEventHandlers.states.changed = true;
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}
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}
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// KMEA and KMEI (embedded mode) use direct insertion of the character string
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if(keyman.isEmbedded) {
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// A special embedded callback used to setup direct callbacks to app-native code.
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keyman['oninserttext'](ruleTransform.deleteLeft, ruleTransform.insert, ruleTransform.deleteRight);
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if(outputTarget instanceof targets.OutputTarget) {
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keyman.refreshElementContent(outputTarget.getElement());
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}
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}
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}
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} |