3 import org.eclipse.swt.SWT;
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4 import org.eclipse.swt.widgets.Composite;
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5 import org.eclipse.swt.widgets.Event;
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7 import era.mi.gui.model.ViewModel;
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8 import era.mi.gui.model.components.GUIComponent;
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9 import era.mi.gui.model.wires.Pin;
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10 import net.haspamelodica.swt.helper.gcs.GeneralGC;
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11 import net.haspamelodica.swt.helper.swtobjectwrappers.Point;
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12 import net.haspamelodica.swt.helper.swtobjectwrappers.Rectangle;
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13 import net.haspamelodica.swt.helper.zoomablecanvas.ZoomableCanvas;
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16 * Simulation visualizer canvas.
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18 * @author Daniel Kirschten
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20 public class LogicUICanvas extends ZoomableCanvas
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22 private final ViewModel model;
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24 public LogicUICanvas(Composite parent, int style, ViewModel model)
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26 super(parent, style);
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30 model.addComponentAddedListener(c -> redrawThreadsafe());
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31 model.addWireAddedListener(c -> redrawThreadsafe());
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32 model.addComponentRemovedListener(c -> redrawThreadsafe());
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33 model.addWireRemovedListener(c -> redrawThreadsafe());
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35 addZoomedRenderer(gc ->
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37 Rectangle visibleRegion = new Rectangle(offX, offY, gW / zoom, gH / zoom);
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38 model.getComponents().forEach(c -> drawComponent(gc, c, visibleRegion));
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40 addZoomedRenderer(gc -> model.getWires().forEach(w -> w.render(gc)));
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41 addListener(SWT.MouseDown, this::mouseDown);
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44 private void drawComponent(GeneralGC gc, GUIComponent component, Rectangle visibleRegion)
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46 component.render(gc, visibleRegion);
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47 gc.setBackground(getDisplay().getSystemColor(SWT.COLOR_CYAN));
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48 for (Pin p : component.getPins())
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50 Point pos = p.getPos();
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51 gc.fillOval(pos.x - 1, pos.y - 1, 2, 2);
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55 private void mouseDown(Event e)
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59 Point click = displayToWorldCoords(e.x, e.y);
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60 for (GUIComponent component : model.getComponents())
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61 if (component.getBounds().contains(click) && component.clicked(click.x, click.y))
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