3 import java.util.HashMap;
4 import java.util.HashSet;
7 import java.util.concurrent.atomic.AtomicBoolean;
9 import org.eclipse.swt.SWT;
10 import org.eclipse.swt.layout.FillLayout;
11 import org.eclipse.swt.widgets.Display;
12 import org.eclipse.swt.widgets.Event;
13 import org.eclipse.swt.widgets.Shell;
15 import era.mi.gui.components.BasicGUIComponent;
16 import era.mi.gui.wires.GUIWire;
17 import era.mi.logic.Simulation;
18 import net.haspamelodica.swt.helper.gcs.GeneralGC;
19 import net.haspamelodica.swt.helper.gcs.TranslatedGC;
20 import net.haspamelodica.swt.helper.swtobjectwrappers.Point;
21 import net.haspamelodica.swt.helper.zoomablecanvas.ZoomableCanvas;
22 import net.haspamelodica.swt.helper.zoomablecanvas.helper.ZoomableCanvasOverlay;
23 import net.haspamelodica.swt.helper.zoomablecanvas.helper.ZoomableCanvasUserInput;
27 private final Display display;
28 private final Shell shell;
29 private final ZoomableCanvas canvas;
30 private final Set<BasicGUIComponent> components;
31 private final Map<BasicGUIComponent, Point> componentPositions;
32 private final Set<GUIWire> wires;
36 display = new Display();
37 shell = new Shell(display);
38 shell.setLayout(new FillLayout());
39 canvas = new ZoomableCanvas(shell, SWT.NONE);
41 components = new HashSet<>();
42 componentPositions = new HashMap<>();
43 wires = new HashSet<>();
45 canvas.addZoomedRenderer(gc -> components.forEach(c -> drawComponent(gc, c)));
46 canvas.addZoomedRenderer(gc -> wires.forEach(w -> w.render(gc)));
47 ZoomableCanvasUserInput userInput = new ZoomableCanvasUserInput(canvas);
48 userInput.buttonDrag = 3;
49 userInput.buttonZoom = 2;
50 userInput.enableUserInput();
51 new ZoomableCanvasOverlay(canvas, null).enableScale();
52 canvas.addListener(SWT.MouseDown, this::mouseDown);
55 * Returns the given component for convenience.
57 public <C extends BasicGUIComponent> C addComponent(C component, double x, double y)
59 components.add(component);
60 componentPositions.put(component, new Point(x, y));
63 public void addWire(BasicGUIComponent component1, int component1ConnectionIndex, BasicGUIComponent component2, int component2ConnectionIndex, Point... path)
65 wires.add(new GUIWire(canvas::redrawThreadsafe, component1, component1ConnectionIndex, componentPositions.get(component1), component2, component2ConnectionIndex, componentPositions.get(component2), path));
67 private void drawComponent(GeneralGC gc, BasicGUIComponent component)
69 TranslatedGC tgc = new TranslatedGC(gc, componentPositions.get(component));
70 component.render(tgc);
71 tgc.setBackground(display.getSystemColor(SWT.COLOR_BLUE));
72 // for(int i = 0; i < component.getConnectedWireArraysCount(); i ++)
74 // Point connectionPoint = component.getWireArrayConnectionPoint(i);
75 // if(connectionPoint != null)
76 // tgc.fillOval(connectionPoint.x - 1, connectionPoint.y - 1, 2, 2);
79 private void mouseDown(Event e)
83 Point click = canvas.displayToWorldCoords(e.x, e.y);
84 for(BasicGUIComponent component : components)
85 if(component.getBounds().translate(componentPositions.get(component)).contains(click))
87 if(component.clicked(click.x, click.y))
96 AtomicBoolean running = new AtomicBoolean(true);
97 Thread simulationThread = new Thread(() ->
101 //always execute to keep timeline from "hanging behind" for too long
102 Simulation.TIMELINE.executeUpTo(System.currentTimeMillis(), System.currentTimeMillis() + 10);
104 if(Simulation.TIMELINE.hasNext())
106 sleepTime = Simulation.TIMELINE.nextEventTime() - System.currentTimeMillis();
112 Thread.sleep(sleepTime);
113 } catch(InterruptedException e)
114 {} //it is normal execution flow to be interrupted
117 simulationThread.start();
118 Simulation.TIMELINE.addEventAddedListener(event ->
120 if(event.getTiming() >= System.currentTimeMillis() / (double) 1)
121 simulationThread.interrupt();
125 while(!shell.isDisposed())
126 if(!display.readAndDispatch())
129 simulationThread.interrupt();