1 package era.mi.examples.gui;
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.components.gui.BasicGUIComponent;
16 import era.mi.components.gui.GUIManualSwitch;
17 import era.mi.components.gui.GUINotGate;
18 import era.mi.components.gui.GUIOrGate;
19 import era.mi.logic.Simulation;
20 import era.mi.logic.wires.WireArray;
21 import era.mi.wires.gui.GUIWire;
22 import era.mi.wires.gui.WireConnectionPoint;
23 import net.haspamelodica.swt.helper.gcs.GeneralGC;
24 import net.haspamelodica.swt.helper.gcs.TranslatedGC;
25 import net.haspamelodica.swt.helper.swtobjectwrappers.Point;
26 import net.haspamelodica.swt.helper.zoomablecanvas.ZoomableCanvas;
27 import net.haspamelodica.swt.helper.zoomablecanvas.helper.ZoomableCanvasOverlay;
28 import net.haspamelodica.swt.helper.zoomablecanvas.helper.ZoomableCanvasUserInput;
32 private static final int WIRE_DELAY = 40;
33 private static final int OR_DELAY = 100;
34 private static final int NOT_DELAY = 100;
35 private final Display display;
36 private final Shell shell;
37 private final ZoomableCanvas canvas;
38 private final Set<BasicGUIComponent> components;
39 private final Map<BasicGUIComponent, Point> componentPositions;
40 private final Set<GUIWire> wires;
44 display = new Display();
45 shell = new Shell(display);
46 shell.setLayout(new FillLayout());
47 canvas = new ZoomableCanvas(shell, SWT.NONE);
49 components = new HashSet<>();
50 componentPositions = new HashMap<>();
51 wires = new HashSet<>();
54 canvas.addZoomedRenderer(gc -> components.forEach(c -> drawComponent(gc, c)));
55 canvas.addZoomedRenderer(gc -> wires.forEach(w -> w.render(gc)));
56 ZoomableCanvasUserInput userInput = new ZoomableCanvasUserInput(canvas);
57 userInput.buttonDrag = 3;
58 userInput.buttonZoom = 2;
59 userInput.enableUserInput();
60 new ZoomableCanvasOverlay(canvas, null).enableScale();
61 canvas.addListener(SWT.MouseDown, this::mouseDown);
63 private void initComponents()
65 Simulation.TIMELINE.reset();
66 WireArray r = new WireArray(1, WIRE_DELAY);
67 WireArray s = new WireArray(1, WIRE_DELAY);
68 WireArray t2 = new WireArray(1, WIRE_DELAY);
69 WireArray t1 = new WireArray(1, WIRE_DELAY);
70 WireArray q = new WireArray(1, WIRE_DELAY);
71 WireArray nq = new WireArray(1, WIRE_DELAY);
73 GUIManualSwitch rIn = addComponent(new GUIManualSwitch(r), 100, 100);
74 GUIManualSwitch sIn = addComponent(new GUIManualSwitch(s), 100, 200);
75 GUIOrGate or1 = addComponent(new GUIOrGate(OR_DELAY, t1, r, nq), 160, 102.5);
76 GUIOrGate or2 = addComponent(new GUIOrGate(OR_DELAY, t2, q, s), 160, 192.5);
77 GUINotGate not1 = addComponent(new GUINotGate(NOT_DELAY, t1, q), 200, 107.5);
78 GUINotGate not2 = addComponent(new GUINotGate(NOT_DELAY, t2, nq), 200, 197.5);
80 WireConnectionPoint p1 = addComponent(new WireConnectionPoint(q, 2), 250, 112.5);
81 WireConnectionPoint p2 = addComponent(new WireConnectionPoint(nq, 2), 250, 202.5);
83 addWire(rIn, 0, or1, 0);
84 addWire(sIn, 0, or2, 1);
85 addWire(or1, 2, not1, 0);
86 addWire(or2, 2, not2, 0);
87 addWire(not1, 1, p1, 0);
88 addWire(not2, 1, p2, 0);
89 addWire(p1, 1, or2, 0, new Point(250, 130), new Point(140, 185), new Point(140, 197.5));
90 addWire(p2, 1, or1, 1, new Point(250, 185), new Point(140, 130), new Point(140, 117.5));
93 * Returns the given component for convenience.
95 private <C extends BasicGUIComponent> C addComponent(C component, double x, double y)
97 components.add(component);
98 componentPositions.put(component, new Point(x, y));
101 private void addWire(BasicGUIComponent component1, int component1ConnectionIndex, BasicGUIComponent component2, int component2ConnectionIndex, Point... path)
103 wires.add(new GUIWire(canvas::redrawThreadsafe, component1, component1ConnectionIndex, componentPositions.get(component1), component2, component2ConnectionIndex, componentPositions.get(component2), path));
105 private void drawComponent(GeneralGC gc, BasicGUIComponent component)
107 TranslatedGC tgc = new TranslatedGC(gc, componentPositions.get(component));
108 component.render(tgc);
109 tgc.setBackground(display.getSystemColor(SWT.COLOR_BLUE));
110 for(int i = 0; i < component.getConnectedWireArraysCount(); i ++)
112 Point connectionPoint = component.getWireArrayConnectionPoint(i);
113 if(connectionPoint != null)
114 tgc.fillOval(connectionPoint.x - 1, connectionPoint.y - 1, 2, 2);
117 private void mouseDown(Event e)
121 Point click = canvas.displayToWorldCoords(e.x, e.y);
122 for(BasicGUIComponent component : components)
123 if(component.getBounds().translate(componentPositions.get(component)).contains(click))
125 if(component.clicked(click.x, click.y))
134 AtomicBoolean running = new AtomicBoolean(true);
135 Thread simulationThread = new Thread(() ->
139 //always execute to keep timeline from "hanging behind" for too long
140 Simulation.TIMELINE.executeUpTo(System.currentTimeMillis(), System.currentTimeMillis() + 10);
142 if(Simulation.TIMELINE.hasNext())
144 sleepTime = Simulation.TIMELINE.nextEventTime() - System.currentTimeMillis();
150 Thread.sleep(sleepTime);
151 } catch(InterruptedException e)
152 {} //it is normal execution flow to be interrupted
155 simulationThread.start();
156 Simulation.TIMELINE.addEventAddedListener(event ->
158 if(event.getTiming() >= System.currentTimeMillis() / (double) 1)
159 simulationThread.interrupt();
163 while(!shell.isDisposed())
164 if(!display.readAndDispatch())
167 simulationThread.interrupt();
170 public static void main(String[] args)