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.addComponentLookChangedListener(redrawConsumer);
46 c.addComponentMovedListener(redrawConsumer);
47 c.addPinAddedListener(pinAddedListener);
48 c.addPinRemovedListener(pinRemovedListener);
51 model.addComponentRemovedListener(c ->
53 c.removeComponentLookChangedListener(redrawConsumer);
54 c.removeComponentMovedListener(redrawConsumer);
55 c.removePinAddedListener(pinAddedListener);
56 c.removePinRemovedListener(pinRemovedListener);
59 model.addWireAddedListener(w ->
61 w.addWireLookChangedListener(redrawConsumer);
64 model.addWireRemovedListener(w ->
66 w.removeWireLookChangedListener(redrawConsumer);
69 // TODO add listeners for existing components & wires
71 addZoomedRenderer(gc ->
73 Rectangle visibleRegion = new Rectangle(offX, offY, gW / zoom, gH / zoom);
74 model.getComponents().forEach(c -> drawComponent(gc, c, visibleRegion));
76 addZoomedRenderer(gc -> model.getWires().forEach(w -> w.render(gc)));
77 addListener(SWT.MouseDown, this::mouseDown);
80 private void drawComponent(GeneralGC gc, GUIComponent component, Rectangle visibleRegion)
82 component.render(gc, visibleRegion);
83 gc.setBackground(getDisplay().getSystemColor(SWT.COLOR_CYAN));
84 for (Pin p : component.getPins())
86 Point pos = p.getPos();
87 gc.fillOval(pos.x - 1, pos.y - 1, 2, 2);
91 private void mouseDown(Event e)
95 Point click = displayToWorldCoords(e.x, e.y);
96 for (GUIComponent component : model.getComponents())
97 if (component.getBounds().contains(click) && component.clicked(click.x, click.y))