net.mograsim.logic.ui/src/net/mograsim/logic/ui/model/components/atomic/GUIBitDisplay.java

   1 package net.mograsim.logic.ui.model.components.atomic;
   2
   3 import org.eclipse.swt.graphics.Color;
   4
   5 import net.haspamelodica.swt.helper.gcs.GeneralGC;
   6 import net.haspamelodica.swt.helper.swtobjectwrappers.Font;
   7 import net.haspamelodica.swt.helper.swtobjectwrappers.Point;
   8 import net.haspamelodica.swt.helper.swtobjectwrappers.Rectangle;
   9 import net.mograsim.logic.core.LogicObserver;
  10 import net.mograsim.logic.core.components.BitDisplay;
  11 import net.mograsim.logic.core.types.BitVectorFormatter;
  12 import net.mograsim.logic.ui.model.ViewModelModifiable;
  13 import net.mograsim.logic.ui.model.components.GUIComponent;
  14 import net.mograsim.logic.ui.model.wires.Pin;
  15 import net.mograsim.logic.ui.modeladapter.ViewLogicModelAdapter;
  16 import net.mograsim.logic.ui.modeladapter.componentadapters.BitDisplayAdapter;
  17 import net.mograsim.logic.ui.serializing.IndirectGUIComponentCreator;
  18 import net.mograsim.preferences.Preferences;
  19
  20 public class GUIBitDisplay extends GUIComponent
  21 {
  22         private static final double width = 20;
  23         private static final double height = 15;
  24         private static final double fontHeight = 5;
  25
  26         private final Pin inputPin;
  27
  28         private final LogicObserver logicObs;
  29         private BitDisplay bitDisplay;
  30
  31         public GUIBitDisplay(ViewModelModifiable model)
  32         {
  33                 this(model, null);
  34         }
  35
  36         public GUIBitDisplay(ViewModelModifiable model, String name)
  37         {
  38                 super(model, name);
  39                 logicObs = (i) -> requestRedraw();
  40
  41                 setSize(width, height);
  42                 addPin(this.inputPin = new Pin(this, "", 1, 0, height / 2));
  43         }
  44
  45         @Override
  46         public void render(GeneralGC gc, Rectangle visibleRegion)
  47         {
  48                 Color foreground = Preferences.current().getColor("net.mograsim.logic.ui.color.foreground");
  49                 if (foreground != null)
  50                         gc.setForeground(foreground);
  51                 gc.drawRectangle(getBounds());
  52                 String label = bitDisplay == null ? BitVectorFormatter.formatAsString(null)
  53                                 : BitVectorFormatter.formatAsString(bitDisplay.getDisplayedValue());
  54                 Font oldFont = gc.getFont();
  55                 Font labelFont = new Font(oldFont.getName(), fontHeight, oldFont.getStyle());
  56                 gc.setFont(labelFont);
  57                 Point textExtent = gc.textExtent(label);
  58                 Color textColor = Preferences.current().getColor("net.mograsim.logic.ui.color.text");
  59                 if (textColor != null)
  60                         gc.setForeground(textColor);
  61                 gc.drawText(label, getPosX() + (width - textExtent.x) / 2, getPosY() + (height - textExtent.y) / 2, true);
  62                 gc.setFont(oldFont);
  63         }
  64
  65         public void setLogicModelBinding(BitDisplay bitDisplay)
  66         {
  67                 if (this.bitDisplay != null)
  68                         this.bitDisplay.deregisterObserver(logicObs);
  69                 this.bitDisplay = bitDisplay;
  70                 if (bitDisplay != null)
  71                         bitDisplay.registerObserver(logicObs);
  72         }
  73
  74         public boolean hasLogicModelBinding()
  75         {
  76                 return bitDisplay != null;
  77         }
  78
  79         public BitDisplay getBitDisplay()
  80         {
  81                 return bitDisplay;
  82         }
  83
  84         public Pin getInputPin()
  85         {
  86                 return inputPin;
  87         }
  88
  89         static
  90         {
  91                 ViewLogicModelAdapter.addComponentAdapter(new BitDisplayAdapter());
  92                 IndirectGUIComponentCreator.setComponentSupplier(GUIBitDisplay.class.getCanonicalName(), (m, p, n) -> new GUIBitDisplay(m, n));
  93         }
  94 }