<snapdata remixID="9229681"><project name="M6L4A2-brickwall" app="Snap! 5.4, 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" penlog="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="-170" y="50" 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="75" y="37"><block s="receiveGo"></block><block s="clear"></block><custom-block s="Draw a brick wall with %n rows and %n bricks per row with a length of %n , a width of %n , and a space of %s"><l>8</l><l>7</l><l>40</l><l>20</l><l>5</l></custom-block></script></scripts></sprite></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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