<snapdata remixID="8878712"><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="0" y="-150" 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="307" y="183.00000000000006"><custom-block s="draw Brick Wall with %s rows and %s columns"><l>5</l><l>10</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 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;            StageMorph.prototype.enableInheritance = tf;&#xD;            ide.currentSprite.blocksCache.variables = null;&#xD;            ide.currentSprite.paletteCache.variables = null;&#xD;            ide.refreshPalette();&#xD;        }&#xD;        break;&#xD;};&#xD;}&#xD;finally {&#xD;ide.savingPreferences = false;&#xD;};&#xD;</l></block><list><block var="which"/><block 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