plugins/net.mograsim.plugin.core/src/net/mograsim/plugin/views/SimulationView.java

   1 package net.mograsim.plugin.views;
   2
   3 import java.util.HashSet;
   4 import java.util.Optional;
   5 import java.util.Set;
   6 import java.util.function.Consumer;
   7
   8 import org.eclipse.core.runtime.SafeRunner;
   9 import org.eclipse.debug.ui.DebugUITools;
  10 import org.eclipse.debug.ui.contexts.IDebugContextManager;
  11 import org.eclipse.debug.ui.contexts.IDebugContextService;
  12 import org.eclipse.swt.SWT;
  13 import org.eclipse.swt.layout.FillLayout;
  14 import org.eclipse.swt.layout.GridData;
  15 import org.eclipse.swt.layout.GridLayout;
  16 import org.eclipse.swt.widgets.Button;
  17 import org.eclipse.swt.widgets.Composite;
  18 import org.eclipse.swt.widgets.Control;
  19 import org.eclipse.swt.widgets.Label;
  20 import org.eclipse.swt.widgets.Scale;
  21 import org.eclipse.ui.PlatformUI;
  22 import org.eclipse.ui.part.ViewPart;
  23
  24 import net.haspamelodica.swt.helper.input.DoubleInput;
  25 import net.haspamelodica.swt.helper.zoomablecanvas.helper.ZoomableCanvasUserInput;
  26 import net.mograsim.logic.core.LogicObserver;
  27 import net.mograsim.logic.core.components.CoreClock;
  28 import net.mograsim.logic.model.LogicUICanvas;
  29 import net.mograsim.machine.Machine;
  30 import net.mograsim.machine.Memory.MemoryCellModifiedListener;
  31 import net.mograsim.machine.mi.AssignableMicroInstructionMemory;
  32 import net.mograsim.plugin.launch.MachineDebugContextListener;
  33 import net.mograsim.plugin.launch.MachineDebugTarget;
  34 import net.mograsim.plugin.tables.DisplaySettings;
  35 import net.mograsim.plugin.tables.mi.ActiveInstructionPreviewContentProvider;
  36 import net.mograsim.plugin.tables.mi.InstructionTable;
  37 import net.mograsim.plugin.util.OverlappingFillLayout;
  38 import net.mograsim.preferences.Preferences;
  39
  40 public class SimulationView extends ViewPart
  41 {
  42         private static final int SIM_SPEED_SCALE_STEPS = 50;
  43         private static final double SIM_SPEED_SCALE_STEP_FACTOR = 1.32;
  44         private static final double SIM_SPEED_SCALE_STEP_FACTOR_LOG = Math.log(SIM_SPEED_SCALE_STEP_FACTOR);
  45
  46         private final Set<Control> controlsToDisableWhenNoMachinePresent;
  47         private Button sbseButton;
  48         private Scale simSpeedScale;
  49         private DoubleInput simSpeedInput;
  50         private Composite contextDependentControlsParent;
  51         private Composite canvasParent;
  52         private InstructionTable instPreview;
  53         private ActiveInstructionPreviewContentProvider contentProvider;
  54         private Label noRunningMachineLabel;
  55
  56         private MachineDebugTarget debugTarget;
  57         private LogicUICanvas canvas;
  58
  59         private final MemoryCellModifiedListener memCellListener;
  60         private final LogicObserver clockObserver;
  61         private final MachineDebugContextListener debugContextListener;
  62         private final Consumer<Double> executionSpeedListener;
  63
  64         public SimulationView()
  65         {
  66                 controlsToDisableWhenNoMachinePresent = new HashSet<>();
  67                 memCellListener = a -> instPreview.refresh();
  68                 // TODO use Step Over instead
  69                 clockObserver = o ->
  70                 {
  71                         if (((CoreClock) o).isOn())
  72                                 SafeRunner.run(() -> debugTarget.suspend());
  73                 };
  74                 debugContextListener = new MachineDebugContextListener()
  75                 {
  76                         @Override
  77                         public void machineDebugContextChanged(Optional<MachineDebugTarget> oldTarget, Optional<MachineDebugTarget> newTarget)
  78                         {
  79                                 SimulationView.this.debugContextChanged(newTarget);
  80                         }
  81                 };
  82                 executionSpeedListener = this::speedFactorChanged;
  83         }
  84
  85         @Override
  86         public void createPartControl(Composite parent)
  87         {
  88                 // initialize UI
  89                 parent.setLayout(new GridLayout());
  90
  91                 addSimulationControlWidgets(parent);
  92
  93                 Composite contextDependentControlsParentParent = new Composite(parent, SWT.NONE);
  94                 contextDependentControlsParentParent.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
  95                 contextDependentControlsParentParent.setLayout(new OverlappingFillLayout());
  96
  97                 noRunningMachineLabel = new Label(contextDependentControlsParentParent, SWT.NONE);
  98                 noRunningMachineLabel.setText("No machine running && selected in the Debug view...");
  99
 100                 contextDependentControlsParent = new Composite(contextDependentControlsParentParent, SWT.NONE);
 101                 GridLayout contexDependentControlsLayout = new GridLayout();
 102                 contexDependentControlsLayout.marginWidth = 0;
 103                 contexDependentControlsLayout.marginHeight = 0;
 104                 contextDependentControlsParent.setLayout(contexDependentControlsLayout);
 105
 106                 canvasParent = new Composite(contextDependentControlsParent, SWT.NONE);
 107                 canvasParent.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
 108                 canvasParent.setLayout(new FillLayout());
 109
 110                 addInstructionPreviewControlWidgets(contextDependentControlsParent);
 111
 112                 IDebugContextManager debugCManager = DebugUITools.getDebugContextManager();
 113                 IDebugContextService contextService = debugCManager.getContextService(PlatformUI.getWorkbench().getActiveWorkbenchWindow());
 114                 contextService.addDebugContextListener(debugContextListener);
 115                 debugContextListener.debugContextChanged(contextService.getActiveContext());
 116         }
 117
 118         private void addSimulationControlWidgets(Composite parent)
 119         {
 120                 Composite c = new Composite(parent, SWT.NONE);
 121                 c.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
 122                 c.setLayout(new GridLayout(7, false));
 123
 124                 sbseButton = new Button(c, SWT.CHECK);
 125                 controlsToDisableWhenNoMachinePresent.add(sbseButton);
 126
 127                 sbseButton.setText("Step by step execution");
 128                 sbseButton.addListener(SWT.Selection, e ->
 129                 {
 130                         CoreClock cl = debugTarget.getMachine().getClock();
 131                         if (sbseButton.getSelection())
 132                                 cl.registerObserver(clockObserver);
 133                         else
 134                                 cl.deregisterObserver(clockObserver);
 135                 });
 136                 sbseButton.setSelection(false);
 137
 138                 Label simSpeedLabel = new Label(c, SWT.NONE);
 139                 controlsToDisableWhenNoMachinePresent.add(simSpeedLabel);
 140                 simSpeedLabel.setText("Simulation Speed: ");
 141
 142                 simSpeedScale = new Scale(c, SWT.NONE);
 143                 controlsToDisableWhenNoMachinePresent.add(simSpeedScale);
 144                 simSpeedScale.setMinimum(0);
 145                 simSpeedScale.setMaximum(SIM_SPEED_SCALE_STEPS);
 146                 simSpeedScale.setIncrement(1);
 147                 simSpeedScale.setSelection(0);
 148                 simSpeedScale.addListener(SWT.Selection, e ->
 149                 {
 150                         double speed = Math.pow(SIM_SPEED_SCALE_STEP_FACTOR, simSpeedScale.getSelection() - SIM_SPEED_SCALE_STEPS);
 151                         debugTarget.setExecutionSpeed(speed);
 152                 });
 153
 154                 simSpeedInput = new DoubleInput(c, SWT.NONE);
 155                 controlsToDisableWhenNoMachinePresent.add(simSpeedInput);
 156                 simSpeedInput.setPrecision(Preferences.current().getInt("net.mograsim.plugin.core.simspeedprecision"));
 157                 simSpeedInput.addChangeListener(speed ->
 158                 {
 159                         if (speed != 0)
 160                                 debugTarget.setExecutionSpeed(speed);
 161                         else
 162                                 debugTarget.setExecutionSpeed(Math.pow(10, -simSpeedInput.getPrecision()));
 163                 });
 164
 165                 c.layout();
 166         }
 167
 168         private void speedFactorChanged(double speed)
 169         {
 170                 simSpeedInput.setValue(speed);
 171                 int closestScalePos = (int) Math.round(Math.log(speed) / SIM_SPEED_SCALE_STEP_FACTOR_LOG + SIM_SPEED_SCALE_STEPS);
 172                 simSpeedScale.setSelection(Math.min(Math.max(closestScalePos, 0), SIM_SPEED_SCALE_STEPS));
 173         }
 174
 175         private void addInstructionPreviewControlWidgets(Composite parent)
 176         {
 177                 instPreview = new InstructionTable(parent, new DisplaySettings(), getSite().getWorkbenchWindow().getWorkbench().getThemeManager(),
 178                                 false);
 179                 instPreview.getTableViewer().getControl().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
 180                 contentProvider = new ActiveInstructionPreviewContentProvider(instPreview.getTableViewer());
 181                 instPreview.setContentProvider(contentProvider);
 182         }
 183
 184         private void debugContextChanged(Optional<MachineDebugTarget> newTarget)
 185         {
 186                 // call binToDebugTarget even if we didn't find a selected MachineDebugTarget
 187                 bindToDebugTarget(newTarget.orElse(null));
 188         }
 189
 190         private void bindToDebugTarget(MachineDebugTarget debugTarget)
 191         {
 192                 deregisterMachineDependentListeners();
 193                 this.debugTarget = debugTarget;
 194
 195                 if (canvasParent == null)
 196                         // createPartControls has not been called yet
 197                         return;
 198
 199                 double offX;
 200                 double offY;
 201                 double zoom;
 202                 if (canvas != null)
 203                 {
 204                         offX = canvas.getOffX();
 205                         offY = canvas.getOffY();
 206                         zoom = canvas.getZoom();
 207                         canvas.dispose();
 208                 } else
 209                 {
 210                         offX = 0;
 211                         offY = 0;
 212                         zoom = -1;
 213                 }
 214
 215                 if (debugTarget != null)
 216                 {
 217                         noRunningMachineLabel.setVisible(false);
 218                         contextDependentControlsParent.setVisible(true);
 219                         controlsToDisableWhenNoMachinePresent.forEach(c -> c.setEnabled(true));
 220
 221                         Machine machine = debugTarget.getMachine();
 222
 223                         canvas = new LogicUICanvas(canvasParent, SWT.NONE, machine.getModel());
 224                         canvas.addListener(SWT.MouseDown, e -> canvas.setFocus());
 225                         ZoomableCanvasUserInput userInput = new ZoomableCanvasUserInput(canvas);
 226                         userInput.buttonDrag = Preferences.current().getInt("net.mograsim.logic.model.button.drag");
 227                         userInput.buttonZoom = Preferences.current().getInt("net.mograsim.logic.model.button.zoom");
 228                         userInput.enableUserInput();
 229                         if (zoom > 0)
 230                         {
 231                                 canvas.moveTo(offX, offY, zoom);
 232                                 canvas.commitTransform();
 233                         }
 234
 235                         AssignableMicroInstructionMemory mIMemory = machine.getMicroInstructionMemory();
 236                         instPreview.bindMicroInstructionMemory(mIMemory);
 237                         mIMemory.registerCellModifiedListener(memCellListener);
 238
 239                         canvasParent.layout();
 240
 241                         // update preview
 242                         contentProvider.setMachine(machine);
 243
 244                         // initialize executer
 245                         debugTarget.addExecutionSpeedListener(executionSpeedListener);
 246                         speedFactorChanged(debugTarget.getExecutionSpeed());
 247                 } else
 248                 {
 249                         noRunningMachineLabel.setVisible(true);
 250                         contextDependentControlsParent.setVisible(false);
 251                         controlsToDisableWhenNoMachinePresent.forEach(c -> c.setEnabled(false));
 252                         contentProvider.setMachine(null);
 253                 }
 254         }
 255
 256         private void deregisterMachineDependentListeners()
 257         {
 258                 if (debugTarget != null)
 259                 {
 260                         debugTarget.removeExecutionSpeedListener(executionSpeedListener);
 261                         debugTarget.getMachine().getMicroInstructionMemory().deregisterCellModifiedListener(memCellListener);
 262                         debugTarget.getMachine().getClock().deregisterObserver(clockObserver);
 263                         if (sbseButton != null && !sbseButton.isDisposed())
 264                                 sbseButton.setSelection(false);
 265                 }
 266         }
 267
 268         @Override
 269         public void setFocus()
 270         {
 271                 if (canvas != null && !canvas.isDisposed())
 272                         canvas.setFocus();
 273         }
 274
 275         @Override
 276         public void dispose()
 277         {
 278                 deregisterMachineDependentListeners();
 279                 contentProvider.setMachine(null);
 280                 DebugUITools.getDebugContextManager().removeDebugContextListener(debugContextListener);
 281                 super.dispose();
 282         }
 283 }