LogicUI/src/era/mi/gui/examples/LogicUI.java

   1 package era.mi.gui.examples;
   2
   3 import java.util.HashMap;
   4 import java.util.HashSet;
   5 import java.util.Map;
   6 import java.util.Set;
   7 import java.util.concurrent.atomic.AtomicBoolean;
   8
   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;
  14
  15 import era.mi.gui.components.BasicGUIComponent;
  16 import era.mi.gui.components.GUIManualSwitch;
  17 import era.mi.gui.components.GUINotGate;
  18 import era.mi.gui.components.GUIOrGate;
  19 import era.mi.gui.wires.GUIWire;
  20 import era.mi.gui.wires.WireConnectionPoint;
  21 import era.mi.logic.Simulation;
  22 import era.mi.logic.wires.WireArray;
  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;
  29
  30 public class LogicUI
  31 {
  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;
  41
  42         public LogicUI()
  43         {
  44                 display = new Display();
  45                 shell = new Shell(display);
  46                 shell.setLayout(new FillLayout());
  47                 canvas = new ZoomableCanvas(shell, SWT.NONE);
  48
  49                 components = new HashSet<>();
  50                 componentPositions = new HashMap<>();
  51                 wires = new HashSet<>();
  52                 initComponents();
  53
  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);
  62         }
  63         private void initComponents()
  64         {
  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);
  72
  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);
  79
  80                 WireConnectionPoint p1 = addComponent(new WireConnectionPoint(q, 2), 250, 112.5);
  81                 WireConnectionPoint p2 = addComponent(new WireConnectionPoint(nq, 2), 250, 202.5);
  82
  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));
  91         }
  92         /**
  93          * Returns the given component for convenience.
  94          */
  95         private <C extends BasicGUIComponent> C addComponent(C component, double x, double y)
  96         {
  97                 components.add(component);
  98                 componentPositions.put(component, new Point(x, y));
  99                 return component;
 100         }
 101         private void addWire(BasicGUIComponent component1, int component1ConnectionIndex, BasicGUIComponent component2, int component2ConnectionIndex, Point... path)
 102         {
 103                 wires.add(new GUIWire(canvas::redrawThreadsafe, component1, component1ConnectionIndex, componentPositions.get(component1), component2, component2ConnectionIndex, componentPositions.get(component2), path));
 104         }
 105         private void drawComponent(GeneralGC gc, BasicGUIComponent component)
 106         {
 107                 component.render(new TranslatedGC(gc, componentPositions.get(component)));
 108         }
 109         private void mouseDown(Event e)
 110         {
 111                 if(e.button == 1)
 112                 {
 113                         Point click = canvas.displayToWorldCoords(e.x, e.y);
 114                         for(BasicGUIComponent component : components)
 115                                 if(component.getBounds().translate(componentPositions.get(component)).contains(click))
 116                                 {
 117                                         if(component.clicked(click.x, click.y))
 118                                                 canvas.redraw();
 119                                         break;
 120                                 }
 121                 }
 122         }
 123
 124         public void run()
 125         {
 126                 AtomicBoolean running = new AtomicBoolean(true);
 127                 Thread simulationThread = new Thread(() ->
 128                 {
 129                         while(running.get())
 130                         {
 131                                 //always execute to keep timeline from "hanging behind" for too long
 132                                 Simulation.TIMELINE.executeUpTo(System.currentTimeMillis(), System.currentTimeMillis() + 10);
 133                                 long sleepTime;
 134                                 if(Simulation.TIMELINE.hasNext())
 135                                 {
 136                                         sleepTime = Simulation.TIMELINE.nextEventTime() - System.currentTimeMillis();
 137                                 } else
 138                                         sleepTime = 100;
 139                                 try
 140                                 {
 141                                         if(sleepTime > 0)
 142                                                 Thread.sleep(sleepTime);
 143                                 } catch(InterruptedException e)
 144                                 {} //it is normal execution flow to be interrupted
 145                         }
 146                 });
 147                 simulationThread.start();
 148                 Simulation.TIMELINE.addEventAddedListener(event ->
 149                 {
 150                         if(event.getTiming() >= System.currentTimeMillis() / (double) 1)
 151                                 simulationThread.interrupt();
 152                 });
 153
 154                 shell.open();
 155                 while(!shell.isDisposed())
 156                         if(!display.readAndDispatch())
 157                                 display.sleep();
 158                 running.set(false);
 159                 simulationThread.interrupt();
 160         }
 161
 162         public static void main(String[] args)
 163         {
 164                 new LogicUI().run();
 165         }
 166 }