1 package net.mograsim.logic.ui;
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 net.haspamelodica.swt.helper.gcs.GeneralGC;
10 import net.haspamelodica.swt.helper.swtobjectwrappers.Point;
11 import net.haspamelodica.swt.helper.swtobjectwrappers.Rectangle;
12 import net.haspamelodica.swt.helper.zoomablecanvas.ZoomableCanvas;
13 import net.mograsim.logic.ui.model.ViewModel;
14 import net.mograsim.logic.ui.model.components.GUIComponent;
15 import net.mograsim.logic.ui.model.wires.GUIWire;
16 import net.mograsim.logic.ui.model.wires.Pin;
19 * Simulation visualizer canvas.
21 * @author Daniel Kirschten
23 public class LogicUICanvas extends ZoomableCanvas
25 private static final boolean DRAW_PINS = false;
27 private final ViewModel model;
29 public LogicUICanvas(Composite parent, int style, ViewModel model)
35 Consumer<Object> redrawConsumer = o -> redrawThreadsafe();
36 Consumer<Pin> pinAddedListener = p ->
38 p.addPinMovedListener(redrawConsumer);
41 Consumer<Pin> pinRemovedListener = p ->
43 p.removePinMovedListener(redrawConsumer);
46 Consumer<? super GUIComponent> componentAddedListener = c ->
48 c.addComponentLookChangedListener(redrawConsumer);
49 c.addComponentMovedListener(redrawConsumer);
50 c.addPinAddedListener(pinAddedListener);
51 c.addPinRemovedListener(pinRemovedListener);
54 model.addComponentAddedListener(componentAddedListener);
55 model.getComponents().forEach(componentAddedListener);
56 model.addComponentRemovedListener(c ->
58 c.removeComponentLookChangedListener(redrawConsumer);
59 c.removeComponentMovedListener(redrawConsumer);
60 c.removePinAddedListener(pinAddedListener);
61 c.removePinRemovedListener(pinRemovedListener);
64 Consumer<? super GUIWire> wireAddedListener = w ->
66 w.addWireLookChangedListener(redrawConsumer);
69 model.addWireAddedListener(wireAddedListener);
70 model.getWires().forEach(wireAddedListener);
71 model.addWireRemovedListener(w ->
73 w.removeWireLookChangedListener(redrawConsumer);
77 addZoomedRenderer(gc ->
80 model.getWires().forEach(w -> w.render(gc));
81 Rectangle visibleRegion = new Rectangle(offX, offY, gW / zoom, gH / zoom);
82 model.getComponents().forEach(c -> drawComponent(gc, c, visibleRegion));
84 addListener(SWT.MouseDown, this::mouseDown);
87 private void drawComponent(GeneralGC gc, GUIComponent component, Rectangle visibleRegion)
89 component.render(gc, visibleRegion);
92 gc.setBackground(getDisplay().getSystemColor(SWT.COLOR_DARK_CYAN));
93 for (Pin p : component.getPins())
95 Point pos = p.getPos();
96 gc.fillOval(pos.x - 1, pos.y - 1, 2, 2);
101 private void mouseDown(Event e)
105 Point click = displayToWorldCoords(e.x, e.y);
106 for (GUIComponent component : model.getComponents())
107 if (component.getBounds().contains(click) && component.clicked(click.x, click.y))