3 import java.util.function.Consumer;
5 import org.eclipse.swt.SWT;
6 import org.eclipse.swt.widgets.Composite;
7 import org.eclipse.swt.widgets.Event;
9 import era.mi.gui.model.ViewModel;
10 import era.mi.gui.model.components.GUIComponent;
11 import era.mi.gui.model.wires.Pin;
12 import net.haspamelodica.swt.helper.gcs.GeneralGC;
13 import net.haspamelodica.swt.helper.swtobjectwrappers.Point;
14 import net.haspamelodica.swt.helper.swtobjectwrappers.Rectangle;
15 import net.haspamelodica.swt.helper.zoomablecanvas.ZoomableCanvas;
18 * Simulation visualizer canvas.
20 * @author Daniel Kirschten
22 public class LogicUICanvas extends ZoomableCanvas
24 private final ViewModel model;
26 public LogicUICanvas(Composite parent, int style, ViewModel model)
32 Consumer<Object> redrawConsumer = o -> redrawThreadsafe();
33 Consumer<Pin> pinAddedListener = p ->
35 p.addPinMovedListener(redrawConsumer);
38 Consumer<Pin> pinRemovedListener = p ->
40 p.removePinMovedListener(redrawConsumer);
43 model.addComponentAddedListener(c ->
45 c.addComponentChangedListener(redrawConsumer);
46 c.addComponentMovedListener(redrawConsumer);
47 c.addPinAddedListener(pinAddedListener);
48 c.addPinRemovedListener(pinRemovedListener);
51 model.addComponentRemovedListener(c ->
53 c.removeComponentChangedListener(redrawConsumer);
54 c.removeComponentMovedListener(redrawConsumer);
55 c.removePinAddedListener(pinAddedListener);
56 c.removePinRemovedListener(pinRemovedListener);
59 model.addWireAddedListener(c -> redrawThreadsafe());
60 model.addWireRemovedListener(c -> redrawThreadsafe());
62 addZoomedRenderer(gc ->
64 Rectangle visibleRegion = new Rectangle(offX, offY, gW / zoom, gH / zoom);
65 model.getComponents().forEach(c -> drawComponent(gc, c, visibleRegion));
67 addZoomedRenderer(gc -> model.getWires().forEach(w -> w.render(gc)));
68 addListener(SWT.MouseDown, this::mouseDown);
71 private void drawComponent(GeneralGC gc, GUIComponent component, Rectangle visibleRegion)
73 component.render(gc, visibleRegion);
74 gc.setBackground(getDisplay().getSystemColor(SWT.COLOR_CYAN));
75 for (Pin p : component.getPins())
77 Point pos = p.getPos();
78 gc.fillOval(pos.x - 1, pos.y - 1, 2, 2);
82 private void mouseDown(Event e)
86 Point click = displayToWorldCoords(e.x, e.y);
87 for (GUIComponent component : model.getComponents())
88 if (component.getBounds().contains(click) && component.clicked(click.x, click.y))