1 package net.mograsim.logic.ui.model.components;
3 import net.haspamelodica.swt.helper.gcs.GeneralGC;
4 import net.haspamelodica.swt.helper.swtobjectwrappers.Font;
5 import net.haspamelodica.swt.helper.swtobjectwrappers.Point;
6 import net.haspamelodica.swt.helper.swtobjectwrappers.Rectangle;
7 import net.mograsim.logic.core.LogicObservable;
8 import net.mograsim.logic.core.LogicObserver;
9 import net.mograsim.logic.core.components.BitDisplay;
10 import net.mograsim.logic.core.types.BitVectorFormatter;
11 import net.mograsim.logic.ui.model.ViewModelModifiable;
12 import net.mograsim.logic.ui.model.wires.Pin;
13 import net.mograsim.logic.ui.modeladapter.ViewLogicModelAdapter;
14 import net.mograsim.logic.ui.modeladapter.componentadapters.BitDisplayAdapter;
16 public class GUIBitDisplay extends GUIComponent
18 private static final double width = 20;
19 private static final double height = 15;
20 private static final double fontHeight = 5;
22 private final Pin inputPin;
24 private final LogicObserver logicObs;
25 private BitDisplay bitDisplay;
27 public GUIBitDisplay(ViewModelModifiable model)
30 logicObs = (i) -> requestRedraw();
32 setSize(width, height);
33 addPin(this.inputPin = new Pin(this, "", 1, 0, height / 2));
37 public void render(GeneralGC gc, Rectangle visibleRegion)
39 gc.drawRectangle(getBounds());
40 String label = bitDisplay == null ? BitVectorFormatter.formatAsString(null)
41 : BitVectorFormatter.formatAsString(bitDisplay.getDisplayedValue());
42 Font oldFont = gc.getFont();
43 Font labelFont = new Font(oldFont.getName(), fontHeight, oldFont.getStyle());
44 gc.setFont(labelFont);
45 Point textExtent = gc.textExtent(label);
46 gc.drawText(label, getPosX() + (width - textExtent.x) / 2, getPosY() + (height - textExtent.y) / 2, true);
50 public void setLogicModelBinding(BitDisplay bitDisplay)
52 deregisterLogicObs(this.bitDisplay);
53 this.bitDisplay = bitDisplay;
54 registerLogicObs(bitDisplay);
57 private void registerLogicObs(LogicObservable observable)
59 if (observable != null)
60 observable.registerObserver(logicObs);
63 private void deregisterLogicObs(LogicObservable observable)
65 if (observable != null)
66 observable.deregisterObserver(logicObs);
69 public BitDisplay getBitDisplay()
74 public Pin getInputPin()
81 ViewLogicModelAdapter.addComponentAdapter(new BitDisplayAdapter());