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