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

   1 package era.mi.gui;\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.wires.GUIWire;\r
  17 import era.mi.logic.Simulation;\r
  18 import net.haspamelodica.swt.helper.gcs.GeneralGC;\r
  19 import net.haspamelodica.swt.helper.gcs.TranslatedGC;\r
  20 import net.haspamelodica.swt.helper.swtobjectwrappers.Point;\r
  21 import net.haspamelodica.swt.helper.zoomablecanvas.ZoomableCanvas;\r
  22 import net.haspamelodica.swt.helper.zoomablecanvas.helper.ZoomableCanvasOverlay;\r
  23 import net.haspamelodica.swt.helper.zoomablecanvas.helper.ZoomableCanvasUserInput;\r
  24 \r
  25 public class LogicUI\r
  26 {\r
  27         private final Display                                           display;\r
  28         private final Shell                                                     shell;\r
  29         private final ZoomableCanvas                            canvas;\r
  30         private final Set<BasicGUIComponent>            components;\r
  31         private final Map<BasicGUIComponent, Point>     componentPositions;\r
  32         private final Set<GUIWire>                                      wires;\r
  33 \r
  34         public LogicUI()\r
  35         {\r
  36                 display = new Display();\r
  37                 shell = new Shell(display);\r
  38                 shell.setLayout(new FillLayout());\r
  39                 canvas = new ZoomableCanvas(shell, SWT.NONE);\r
  40 \r
  41                 components = new HashSet<>();\r
  42                 componentPositions = new HashMap<>();\r
  43                 wires = new HashSet<>();\r
  44 \r
  45                 canvas.addZoomedRenderer(gc -> components.forEach(c -> drawComponent(gc, c)));\r
  46                 canvas.addZoomedRenderer(gc -> wires.forEach(w -> w.render(gc)));\r
  47                 ZoomableCanvasUserInput userInput = new ZoomableCanvasUserInput(canvas);\r
  48                 userInput.buttonDrag = 3;\r
  49                 userInput.buttonZoom = 2;\r
  50                 userInput.enableUserInput();\r
  51                 new ZoomableCanvasOverlay(canvas, null).enableScale();\r
  52                 canvas.addListener(SWT.MouseDown, this::mouseDown);\r
  53         }\r
  54         /**\r
  55          * Returns the given component for convenience.\r
  56          */\r
  57         public <C extends BasicGUIComponent> C addComponent(C component, double x, double y)\r
  58         {\r
  59                 components.add(component);\r
  60                 componentPositions.put(component, new Point(x, y));\r
  61                 return component;\r
  62         }\r
  63         public void addWire(BasicGUIComponent component1, int component1ConnectionIndex, BasicGUIComponent component2, int component2ConnectionIndex, Point... path)\r
  64         {\r
  65                 wires.add(new GUIWire(canvas::redrawThreadsafe, component1, component1ConnectionIndex, componentPositions.get(component1), component2, component2ConnectionIndex, componentPositions.get(component2), path));\r
  66         }\r
  67         private void drawComponent(GeneralGC gc, BasicGUIComponent component)\r
  68         {\r
  69                 TranslatedGC tgc = new TranslatedGC(gc, componentPositions.get(component));\r
  70                 component.render(tgc);\r
  71                 tgc.setBackground(display.getSystemColor(SWT.COLOR_BLUE));\r
  72 //              for(int i = 0; i < component.getConnectedWireArraysCount(); i ++)\r
  73 //              {\r
  74 //                      Point connectionPoint = component.getWireArrayConnectionPoint(i);\r
  75 //                      if(connectionPoint != null)\r
  76 //                              tgc.fillOval(connectionPoint.x - 1, connectionPoint.y - 1, 2, 2);\r
  77 //              }\r
  78         }\r
  79         private void mouseDown(Event e)\r
  80         {\r
  81                 if(e.button == 1)\r
  82                 {\r
  83                         Point click = canvas.displayToWorldCoords(e.x, e.y);\r
  84                         for(BasicGUIComponent component : components)\r
  85                                 if(component.getBounds().translate(componentPositions.get(component)).contains(click))\r
  86                                 {\r
  87                                         if(component.clicked(click.x, click.y))\r
  88                                                 canvas.redraw();\r
  89                                         break;\r
  90                                 }\r
  91                 }\r
  92         }\r
  93 \r
  94         public void run()\r
  95         {\r
  96                 AtomicBoolean running = new AtomicBoolean(true);\r
  97                 Thread simulationThread = new Thread(() ->\r
  98                 {\r
  99                         while(running.get())\r
 100                         {\r
 101                                 //always execute to keep timeline from "hanging behind" for too long\r
 102                                 Simulation.TIMELINE.executeUpTo(System.currentTimeMillis(), System.currentTimeMillis() + 10);\r
 103                                 long sleepTime;\r
 104                                 if(Simulation.TIMELINE.hasNext())\r
 105                                 {\r
 106                                         sleepTime = Simulation.TIMELINE.nextEventTime() - System.currentTimeMillis();\r
 107                                 } else\r
 108                                         sleepTime = 100;\r
 109                                 try\r
 110                                 {\r
 111                                         if(sleepTime > 0)\r
 112                                                 Thread.sleep(sleepTime);\r
 113                                 } catch(InterruptedException e)\r
 114                                 {} //it is normal execution flow to be interrupted\r
 115                         }\r
 116                 });\r
 117                 simulationThread.start();\r
 118                 Simulation.TIMELINE.addEventAddedListener(event ->\r
 119                 {\r
 120                         if(event.getTiming() >= System.currentTimeMillis() / (double) 1)\r
 121                                 simulationThread.interrupt();\r
 122                 });\r
 123 \r
 124                 shell.open();\r
 125                 while(!shell.isDisposed())\r
 126                         if(!display.readAndDispatch())\r
 127                                 display.sleep();\r
 128                 running.set(false);\r
 129                 simulationThread.interrupt();\r
 130         }\r
 131 }