3 import java.util.HashSet;
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4 import java.util.Set;
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6 import org.eclipse.swt.SWT;
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7 import org.eclipse.swt.widgets.Composite;
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8 import org.eclipse.swt.widgets.Event;
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10 import era.mi.gui.model.components.GUIComponent;
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11 import era.mi.gui.model.wires.GUIWire;
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12 import era.mi.gui.model.wires.Pin;
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13 import net.haspamelodica.swt.helper.gcs.GeneralGC;
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14 import net.haspamelodica.swt.helper.swtobjectwrappers.Point;
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15 import net.haspamelodica.swt.helper.swtobjectwrappers.Rectangle;
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16 import net.haspamelodica.swt.helper.zoomablecanvas.ZoomableCanvas;
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19 * Simulation visualizer canvas.
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21 * @author Daniel Kirschten
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23 public class LogicUICanvas extends ZoomableCanvas
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25 private final Set<GUIComponent> components;
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26 private final Set<GUIWire> wires;
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28 public LogicUICanvas(Composite parent, int style)
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30 super(parent, style);
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32 components = new HashSet<>();
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33 wires = new HashSet<>();
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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 components.forEach(c -> drawComponent(gc, c, visibleRegion));
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40 addZoomedRenderer(gc -> wires.forEach(w -> w.render(gc)));
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41 addListener(SWT.MouseDown, this::mouseDown);
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45 * Add a component to be drawn. Returns the given component for convenience.
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47 * @author Daniel Kirschten
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49 // TODO replace with model change listener
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50 public <C extends GUIComponent> C addComponent(C component)
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52 components.add(component);
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57 * Add a graphical wire between the given connection points of the given components. The given components have to be added and the given
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58 * connection points have to be connected logically first.
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60 * @author Daniel Kirschten
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62 // TODO replace with model change listener
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63 public void addWire(Pin pin1, Pin pin2, Point... path)
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65 wires.add(new GUIWire(this::redrawThreadsafe, pin1, pin2, path));
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68 private void drawComponent(GeneralGC gc, GUIComponent component, Rectangle visibleRegion)
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70 component.render(gc, visibleRegion);
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71 gc.setBackground(getDisplay().getSystemColor(SWT.COLOR_CYAN));
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72 for (Pin p : component.getPins())
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74 Point pos = p.getPos();
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75 gc.fillOval(pos.x - 1, pos.y - 1, 2, 2);
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79 private void mouseDown(Event e)
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83 Point click = displayToWorldCoords(e.x, e.y);
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84 for (GUIComponent component : components)
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85 if (component.getBounds().contains(click))
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87 if (component.clicked(click.x, click.y))
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