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

   1 package era.mi.gui.examples;\r
   2 \r
   3 import java.util.HashMap;\r
   4 import java.util.HashSet;\r
   5 import java.util.Map;\r
   6 import java.util.Set;\r
   7 import java.util.concurrent.atomic.AtomicBoolean;\r
   8 \r
   9 import org.eclipse.swt.SWT;\r
  10 import org.eclipse.swt.layout.FillLayout;\r
  11 import org.eclipse.swt.widgets.Display;\r
  12 import org.eclipse.swt.widgets.Event;\r
  13 import org.eclipse.swt.widgets.Shell;\r
  14 \r
  15 import era.mi.gui.components.BasicGUIComponent;\r
  16 import era.mi.gui.components.GUIManualSwitch;\r
  17 import era.mi.gui.components.GUINotGate;\r
  18 import era.mi.gui.components.GUIOrGate;\r
  19 import era.mi.gui.wires.GUIWire;\r
  20 import era.mi.gui.wires.WireConnectionPoint;\r
  21 import era.mi.logic.Simulation;\r
  22 import era.mi.logic.wires.WireArray;\r
  23 import net.haspamelodica.swt.helper.gcs.GeneralGC;\r
  24 import net.haspamelodica.swt.helper.gcs.TranslatedGC;\r
  25 import net.haspamelodica.swt.helper.swtobjectwrappers.Point;\r
  26 import net.haspamelodica.swt.helper.zoomablecanvas.ZoomableCanvas;\r
  27 import net.haspamelodica.swt.helper.zoomablecanvas.helper.ZoomableCanvasOverlay;\r
  28 import net.haspamelodica.swt.helper.zoomablecanvas.helper.ZoomableCanvasUserInput;\r
  29 \r
  30 public class LogicUI\r
  31 {\r
  32         private static final int                                        WIRE_DELAY      = 40;\r
  33         private static final int                                        OR_DELAY        = 100;\r
  34         private static final int                                        NOT_DELAY       = 100;\r
  35         private final Display                                           display;\r
  36         private final Shell                                                     shell;\r
  37         private final ZoomableCanvas                            canvas;\r
  38         private final Set<BasicGUIComponent>            components;\r
  39         private final Map<BasicGUIComponent, Point>     componentPositions;\r
  40         private final Set<GUIWire>                                      wires;\r
  41 \r
  42         public LogicUI()\r
  43         {\r
  44                 display = new Display();\r
  45                 shell = new Shell(display);\r
  46                 shell.setLayout(new FillLayout());\r
  47                 canvas = new ZoomableCanvas(shell, SWT.NONE);\r
  48 \r
  49                 components = new HashSet<>();\r
  50                 componentPositions = new HashMap<>();\r
  51                 wires = new HashSet<>();\r
  52                 initComponents();\r
  53 \r
  54                 canvas.addZoomedRenderer(gc -> components.forEach(c -> drawComponent(gc, c)));\r
  55                 canvas.addZoomedRenderer(gc -> wires.forEach(w -> w.render(gc)));\r
  56                 ZoomableCanvasUserInput userInput = new ZoomableCanvasUserInput(canvas);\r
  57                 userInput.buttonDrag = 3;\r
  58                 userInput.buttonZoom = 2;\r
  59                 userInput.enableUserInput();\r
  60                 new ZoomableCanvasOverlay(canvas, null).enableScale();\r
  61                 canvas.addListener(SWT.MouseDown, this::mouseDown);\r
  62         }\r
  63         private void initComponents()\r
  64         {\r
  65                 Simulation.TIMELINE.reset();\r
  66                 WireArray r = new WireArray(1, WIRE_DELAY);\r
  67                 WireArray s = new WireArray(1, WIRE_DELAY);\r
  68                 WireArray t2 = new WireArray(1, WIRE_DELAY);\r
  69                 WireArray t1 = new WireArray(1, WIRE_DELAY);\r
  70                 WireArray q = new WireArray(1, WIRE_DELAY);\r
  71                 WireArray nq = new WireArray(1, WIRE_DELAY);\r
  72 \r
  73                 GUIManualSwitch rIn = addComponent(new GUIManualSwitch(r), 100, 100);\r
  74                 GUIManualSwitch sIn = addComponent(new GUIManualSwitch(s), 100, 200);\r
  75                 GUIOrGate or1 = addComponent(new GUIOrGate(OR_DELAY, t1, r, nq), 160, 102.5);\r
  76                 GUIOrGate or2 = addComponent(new GUIOrGate(OR_DELAY, t2, q, s), 160, 192.5);\r
  77                 GUINotGate not1 = addComponent(new GUINotGate(NOT_DELAY, t1, q), 200, 107.5);\r
  78                 GUINotGate not2 = addComponent(new GUINotGate(NOT_DELAY, t2, nq), 200, 197.5);\r
  79 \r
  80                 WireConnectionPoint p1 = addComponent(new WireConnectionPoint(q, 2), 250, 112.5);\r
  81                 WireConnectionPoint p2 = addComponent(new WireConnectionPoint(nq, 2), 250, 202.5);\r
  82 \r
  83                 addWire(rIn, 0, or1, 0);\r
  84                 addWire(sIn, 0, or2, 1);\r
  85                 addWire(or1, 2, not1, 0);\r
  86                 addWire(or2, 2, not2, 0);\r
  87                 addWire(not1, 1, p1, 0);\r
  88                 addWire(not2, 1, p2, 0);\r
  89                 addWire(p1, 1, or2, 0, new Point(250, 130), new Point(140, 185), new Point(140, 197.5));\r
  90                 addWire(p2, 1, or1, 1, new Point(250, 185), new Point(140, 130), new Point(140, 117.5));\r
  91         }\r
  92         /**\r
  93          * Returns the given component for convenience.\r
  94          */\r
  95         private <C extends BasicGUIComponent> C addComponent(C component, double x, double y)\r
  96         {\r
  97                 components.add(component);\r
  98                 componentPositions.put(component, new Point(x, y));\r
  99                 return component;\r
 100         }\r
 101         private void addWire(BasicGUIComponent component1, int component1ConnectionIndex, BasicGUIComponent component2, int component2ConnectionIndex, Point... path)\r
 102         {\r
 103                 wires.add(new GUIWire(canvas::redrawThreadsafe, component1, component1ConnectionIndex, componentPositions.get(component1), component2, component2ConnectionIndex, componentPositions.get(component2), path));\r
 104         }\r
 105         private void drawComponent(GeneralGC gc, BasicGUIComponent component)\r
 106         {\r
 107                 component.render(new TranslatedGC(gc, componentPositions.get(component)));\r
 108         }\r
 109         private void mouseDown(Event e)\r
 110         {\r
 111                 if(e.button == 1)\r
 112                 {\r
 113                         Point click = canvas.displayToWorldCoords(e.x, e.y);\r
 114                         for(BasicGUIComponent component : components)\r
 115                                 if(component.getBounds().translate(componentPositions.get(component)).contains(click))\r
 116                                 {\r
 117                                         if(component.clicked(click.x, click.y))\r
 118                                                 canvas.redraw();\r
 119                                         break;\r
 120                                 }\r
 121                 }\r
 122         }\r
 123 \r
 124         public void run()\r
 125         {\r
 126                 AtomicBoolean running = new AtomicBoolean(true);\r
 127                 Thread simulationThread = new Thread(() ->\r
 128                 {\r
 129                         while(running.get())\r
 130                         {\r
 131                                 //always execute to keep timeline from "hanging behind" for too long\r
 132                                 Simulation.TIMELINE.executeUpTo(System.currentTimeMillis(), System.currentTimeMillis() + 10);\r
 133                                 long sleepTime;\r
 134                                 if(Simulation.TIMELINE.hasNext())\r
 135                                 {\r
 136                                         sleepTime = Simulation.TIMELINE.nextEventTime() - System.currentTimeMillis();\r
 137                                 } else\r
 138                                         sleepTime = 100;\r
 139                                 try\r
 140                                 {\r
 141                                         if(sleepTime > 0)\r
 142                                                 Thread.sleep(sleepTime);\r
 143                                 } catch(InterruptedException e)\r
 144                                 {} //it is normal execution flow to be interrupted\r
 145                         }\r
 146                 });\r
 147                 simulationThread.start();\r
 148                 Simulation.TIMELINE.addEventAddedListener(event ->\r
 149                 {\r
 150                         if(event.getTiming() >= System.currentTimeMillis() / (double) 1)\r
 151                                 simulationThread.interrupt();\r
 152                 });\r
 153 \r
 154                 shell.open();\r
 155                 while(!shell.isDisposed())\r
 156                         if(!display.readAndDispatch())\r
 157                                 display.sleep();\r
 158                 running.set(false);\r
 159                 simulationThread.interrupt();\r
 160         }\r
 161 \r
 162         public static void main(String[] args)\r
 163         {\r
 164                 new LogicUI().run();\r
 165         }\r
 166 }