<snapdata remixID="8618243"><project name="L09 Brick Wall" app="Snap! 5.1, http://snap.berkeley.edu" version="1"><notes></notes><thumbnail>data:image/png;base64,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</thumbnail><stage 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stage.parentThatIsA(IDE_Morph),&#xD;        world = stage.parentThatIsA(WorldMorph);&#xD;&#xD;if (tf != !!tf) return;&#xD;&#xD;try{&#xD;ide.savingPreferences = false;&#xD;&#xD;switch (which) {&#xD;    case &apos;Presentation mode&apos;:&#xD;        if (tf != ide.isAppMode) ide.toggleAppMode();&#xD;        break;&#xD;    case &apos;Retina display support&apos;:&#xD;        if (tf != isRetinaEnabled()) ide.toggleRetina();&#xD;        break;&#xD;    case &apos;Long form input dialog&apos;:&#xD;        if (tf != InputSlotDialogMorph.prototype.isLaunchingExpanded)&#xD;            ide.toggleLongFormInputDialog();&#xD;        break;&#xD;    case &apos;Plain prototype labels&apos;:&#xD;        if (tf != BlockLabelPlaceHolderMorph.prototype.plainLabel)&#xD;            ide.togglePlainPrototypeLabels();&#xD;        break;&#xD;    case &apos;Input sliders&apos;:&#xD;        MorphicPreferences.useSliderForInput = tf;&#xD;        break;&#xD;    case &apos;Execute on slider change&apos;:&#xD;        ArgMorph.prototype.executeOnSliderEdit = tf;&#xD;        break;&#xD;    case &apos;Clicking sound&apos;:&#xD;        if (tf != !!BlockMorph.prototype.snapSound)&#xD;            BlockMorph.prototype.toggleSnapSound();&#xD;        break;&#xD;    case &apos;Turbo mode&apos;:&#xD;        if (tf != stage.isFastTracked)&#xD;            ide.toggleFastTracking();&#xD;        break;&#xD;    case &apos;Flat design&apos;:&#xD;        if (tf == MorphicPreferences.isFlat) break;&#xD;        if (tf)&#xD;            ide.flatDesign();&#xD;        else&#xD;            ide.defaultDesign();&#xD;        break;&#xD;    case &apos;Keyboard editing&apos;:&#xD;            ScriptsMorph.prototype.enableKeyboard = tf;&#xD;        break;&#xD;    case &apos;Table support&apos;:&#xD;            List.prototype.enableTables = tf;&#xD;        break;&#xD;    case &apos;Table lines&apos;:&#xD;                TableMorph.prototype.highContrast = tf;&#xD;        break;&#xD;    case &apos;Visible stepping&apos;:&#xD;        if (tf != Process.prototype.enableSingleStepping)&#xD;            ide.toggleSingleStepping();&#xD;        break;&#xD;    case &apos;Thread safe scripts&apos;:&#xD;        stage.isThreadSafe = tf;&#xD;        break;&#xD;    case &apos;Prefer smooth animations&apos;:&#xD;        if (tf != (StageMorph.prototype.frameRate &gt; 0))&#xD;            ide.toggleVariableFrameRate();&#xD;        break;&#xD;    case &apos;Flat line ends&apos;:&#xD;        SpriteMorph.prototype.useFlatLineEnds = tf;&#xD;        break;&#xD;    case &apos;Codification support&apos;:&#xD;        if (tf != StageMorph.prototype.enableCodeMapping) {&#xD;            StageMorph.prototype.enableCodeMapping = tf;&#xD;            ide.currentSprite.blocksCache.variables = null;&#xD;            ide.currentSprite.paletteCache.variables = null;&#xD;            ide.refreshPalette();&#xD;        }&#xD;        break;&#xD;    case &apos;Inheritance support&apos;:&#xD;        if (tf != StageMorph.prototype.enableInheritance) {&#xD;    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