<snapdata remixID="8859300"><project name="U2L4-brickwall" app="Snap! 5.1, http://snap.berkeley.edu" version="1"><notes></notes><thumbnail>data:image/png;base64,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</thumbnail><stage name="Stage" width="480" height="360" costume="0" color="255,255,255,1" tempo="60" threadsafe="false" volume="100" pan="0" lines="flat" ternary="true" codify="false" inheritance="false" sublistIDs="false" scheduled="false" id="1"><pentrails>data:image/png;base64,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</pentrails><costumes><list struct="atomic" id="2"></list></costumes><sounds><list struct="atomic" id="3"></list></sounds><variables></variables><blocks></blocks><scripts></scripts><sprites><sprite name="Sprite" idx="1" x="-220" y="-160" heading="90" scale="1" volume="100" pan="0" rotation="1" draggable="true" costume="0" color="145,26,68,1" pen="tip" id="8"><costumes><list struct="atomic" id="9"></list></costumes><sounds><list struct="atomic" id="10"></list></sounds><blocks></blocks><variables></variables><scripts><script x="14" y="19.799999999999955"><block s="clear"></block><block s="gotoXY"><l>0</l><l>0</l></block><custom-block s="draw brick wall with %n rows"><l>20</l></custom-block></script></scripts></sprite><watcher var="rows" style="normal" x="10" y="10" color="243,118,29" hidden="true"/></sprites></stage><hidden></hidden><headers></headers><code></code><blocks><block-definition s="set flag %&apos;which&apos; to %&apos;tf&apos;" type="command" category="sensing"><header></header><code></code><translations></translations><inputs><input type="%s" readonly="true"><options>Presentation mode&#xD;Retina display support&#xD;Long form input dialog&#xD;Plain prototype labels&#xD;Input sliders&#xD;Execute on slider change&#xD;Clicking sound&#xD;Turbo mode&#xD;Flat design&#xD;Keyboard editing&#xD;Table support&#xD;Table lines&#xD;Visible stepping&#xD;Thread safe scripts&#xD;Prefer smooth animations&#xD;Flat line ends&#xD;Codification support&#xD;Inheritance support</options></input><input type="%b"></input></inputs><script><block s="doRun"><block s="reportJSFunction"><list><l>which</l><l>tf</l></list><l>var   stage = this.parentThatIsA(StageMorph),&#xD;        ide = 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 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