Package com.cburch.logisim.circuit

Examples of com.cburch.logisim.circuit.Circuit$MyComponentListener


    return shouldSnapValue == null ? true : shouldSnapValue.booleanValue();
  }
 
  private boolean hasConflictTranslated(Collection<Component> components,
      int dx, int dy, boolean selfConflicts) {
    Circuit circuit = proj.getCurrentCircuit();
    if (circuit == null) return false;
    for (Component comp : components) {
      if (!(comp instanceof Wire)) {
        for (EndData endData : comp.getEnds()) {
          if (endData != null && endData.isExclusive()) {
            Location endLoc = endData.getLocation().translate(dx, dy);
            Component conflict = circuit.getExclusive(endLoc);
            if (conflict != null) {
              if (selfConflicts || !components.contains(conflict)) return true;
            }
          }
        }
        Location newLoc = comp.getLocation().translate(dx, dy);
        Bounds newBounds = comp.getBounds().translate(dx, dy);
        for (Component comp2 : circuit.getAllContaining(newLoc)) {
          Bounds bds = comp2.getBounds();
          if (bds.equals(newBounds)) {
            if (selfConflicts || !components.contains(comp2)) return true;
          }
        }
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    }
   
    public int print(Graphics base, PageFormat format, int pageIndex) {
      if (pageIndex >= circuits.size()) return Printable.NO_SUCH_PAGE;
     
      Circuit circ = circuits.get(pageIndex);
      CircuitState circState = proj.getCircuitState(circ);
      Graphics g = base.create();
      Graphics2D g2 = g instanceof Graphics2D ? (Graphics2D) g : null;
      FontMetrics fm = g.getFontMetrics();
      String head = (header != null && !header.equals(""))
        ? format(header, pageIndex + 1, circuits.size(),
            circ.getName())
        : null;
      int headHeight = (head == null ? 0 : fm.getHeight());

      // Compute image size
      double imWidth = format.getImageableWidth();
      double imHeight = format.getImageableHeight();
     
      // Correct coordinate system for page, including
      // translation and possible rotation.
      Bounds bds = circ.getBounds(g).expand(4);
      double scale = Math.min(imWidth / bds.getWidth(),
          (imHeight - headHeight) / bds.getHeight());
      if (g2 != null) {
        g2.translate(format.getImageableX(), format.getImageableY());
        if (rotateToFit && scale < 1.0 / 1.1) {
          double scale2 = Math.min(imHeight / bds.getWidth(),
              (imWidth - headHeight) / bds.getHeight());
          if (scale2 >= scale * 1.1) { // will rotate
            scale = scale2;
            if (imHeight > imWidth) { // portrait -> landscape
              g2.translate(0, imHeight);
              g2.rotate(-Math.PI / 2);
            } else { // landscape -> portrait
              g2.translate(imWidth, 0);
              g2.rotate(Math.PI / 2);
            }
            double t = imHeight;
            imHeight = imWidth;
            imWidth = t;
          }
        }
      }
     
      // Draw the header line if appropriate
      if (head != null) {
        g.drawString(head,
            (int) Math.round((imWidth - fm.stringWidth(head)) / 2),
            fm.getAscent());
        if (g2 != null) {
          imHeight -= headHeight;
          g2.translate(0, headHeight);
        }
      }
     
      // Now change coordinate system for circuit, including
      // translation and possible scaling
      if (g2 != null) {
        if (scale < 1.0) {
          g2.scale(scale, scale);
          imWidth /= scale;
          imHeight /= scale;
        }
        double dx = Math.max(0.0, (imWidth - bds.getWidth()) / 2);
        g2.translate(-bds.getX() + dx, -bds.getY());
      }
     
      // Ensure that the circuit is eligible to be drawn
      Rectangle clip = g.getClipBounds();
      clip.add(bds.getX(), bds.getY());
      clip.add(bds.getX() + bds.getWidth(),
          bds.getY() + bds.getHeight());
      g.setClip(clip);
     
      // And finally draw the circuit onto the page
      ComponentDrawContext context = new ComponentDrawContext(
          proj.getFrame().getCanvas(), circ, circState,
          base, g, printerView);
      Collection<Component> noComps = Collections.emptySet();
      circ.draw(context, noComps);
      g.dispose();
      return Printable.PAGE_EXISTS;
    }
View Full Code Here

    } else {
      toolbox.setHaloedTool(null);
      layoutToolbarModel.setHaloedTool(null);
    }
    if (value instanceof AttrTableComponentModel) {
      Circuit circ = ((AttrTableComponentModel) value).getCircuit();
      Component comp = ((AttrTableComponentModel) value).getComponent();
      layoutCanvas.setHaloedComponent(circ, comp);
    } else {
      layoutCanvas.setHaloedComponent(null, null);
    }
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    return layoutCanvas;
  }

  private void computeTitle() {
    String s;
    Circuit circuit = proj.getCurrentCircuit();
    String name = proj.getLogisimFile().getName();
    if (circuit != null) {
      s = StringUtil.format(Strings.get("titleCircFileKnown"),
        circuit.getName(), name);
    } else {
      s = StringUtil.format(Strings.get("titleFileKnown"), name);
    }
    this.setTitle(s);
    myProjectListener.enableSave();
View Full Code Here

      if (!force && !same && !(oldModel instanceof AttrTableCircuitModel)) {
        return;
      }
    }
    if (newAttrs == null) {
      Circuit circ = proj.getCurrentCircuit();
      if (circ != null) {
        setAttrTableModel(new AttrTableCircuitModel(proj, circ));
      } else if (force) {
        setAttrTableModel(null);
      }
View Full Code Here

import com.cburch.logisim.proj.Project;

class CircuitJList extends JList {
  public CircuitJList(Project proj, boolean includeEmpty) {
    LogisimFile file = proj.getLogisimFile();
    Circuit current = proj.getCurrentCircuit();
    Vector<Circuit> options = new Vector<Circuit>();
    boolean currentFound = false;
    for (Circuit circ : file.getCircuits()) {
      if (!includeEmpty || circ.getBounds() != Bounds.EMPTY_BOUNDS) {
        if (circ == current) currentFound = true;
View Full Code Here

  //
  // creation methods
  //
  public static LogisimFile createNew(Loader loader) {
    LogisimFile ret = new LogisimFile(loader);
    ret.main = new Circuit("main");
    // The name will be changed in LogisimPreferences
    ret.tools.add(new AddTool(ret.main.getSubcircuitFactory()));
    return ret;
  }
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    }
   
    public void libraryChanged(LibraryEvent event) {
      if (event.getAction() == LibraryEvent.REMOVE_TOOL) {
        Object t = event.getData();
        Circuit circ = null;
        if (t instanceof AddTool) {
          t = ((AddTool) t).getFactory();
          if (t instanceof SubcircuitFactory) {
            circ = ((SubcircuitFactory) t).getSubcircuit();
          }
View Full Code Here

  }

  @Override
  public void mousePressed(Canvas canvas, Graphics g, MouseEvent e) {
    Project proj = canvas.getProject();
    Circuit circ = canvas.getCircuit();

    if (!proj.getLogisimFile().contains(circ)) {
      if (caret != null) caret.cancelEditing();
      canvas.setErrorMessage(Strings.getter("cannotModifyError"));
      return;
    }

    // Maybe user is clicking within the current caret.
    if (caret != null) {
      if (caret.getBounds(g).contains(e.getX(), e.getY())) { // Yes
        caret.mousePressed(e);
        proj.repaintCanvas();
        return;
      } else { // No. End the current caret.
        caret.stopEditing();
      }
    }
    // caret will be null at this point

    // Otherwise search for a new caret.
    int x = e.getX();
    int y = e.getY();
    Location loc = Location.create(x, y);
    ComponentUserEvent event = new ComponentUserEvent(canvas, x, y);

    // First search in selection.
    for (Component comp : proj.getSelection().getComponentsContaining(loc, g)) {
      TextEditable editable = (TextEditable) comp.getFeature(TextEditable.class);
      if (editable != null) {
        caret = editable.getTextCaret(event);
        if (caret != null) {
          proj.getFrame().viewComponentAttributes(circ, comp);
          caretComponent = comp;
          caretCreatingText = false;
          break;
        }
      }
    }

    // Then search in circuit
    if (caret == null) {
      for (Component comp : circ.getAllContaining(loc, g)) {
        TextEditable editable = (TextEditable) comp.getFeature(TextEditable.class);
        if (editable != null) {
          caret = editable.getTextCaret(event);
          if (caret != null) {
            proj.getFrame().viewComponentAttributes(circ, comp);
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    if (format == 0) { // no simulation remaining to perform, so just exit
      System.exit(0);
    }
   
    Project proj = new Project(file);
    Circuit circuit = file.getMainCircuit();
    Map<Instance, String> pinNames = Analyze.getPinLabels(circuit);
    ArrayList<Instance> outputPins = new ArrayList<Instance>();
    Instance haltPin = null;
    for (Map.Entry<Instance, String> entry : pinNames.entrySet()) {
      Instance pin = entry.getKey();
View Full Code Here

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