Simulation speed now can be edited via a text field
[Mograsim.git] / plugins / net.mograsim.plugin.core / src / net / mograsim / plugin / editors / SimulationViewEditor.java
index 61caac1..91a0397 100644 (file)
@@ -10,41 +10,85 @@ import org.eclipse.jface.util.SafeRunnable;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.MouseEvent;
 import org.eclipse.swt.events.MouseTrackListener;
+import org.eclipse.swt.layout.FillLayout;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Display;
 import org.eclipse.swt.widgets.Label;
-import org.eclipse.swt.widgets.Slider;
+import org.eclipse.swt.widgets.Scale;
 import org.eclipse.ui.IEditorInput;
 import org.eclipse.ui.IEditorSite;
 import org.eclipse.ui.IFileEditorInput;
 import org.eclipse.ui.PartInitException;
 import org.eclipse.ui.part.EditorPart;
 
+import net.haspamelodica.swt.helper.input.DoubleInput;
 import net.haspamelodica.swt.helper.zoomablecanvas.helper.ZoomableCanvasUserInput;
 import net.mograsim.logic.core.LogicObserver;
 import net.mograsim.logic.core.components.CoreClock;
 import net.mograsim.logic.model.LogicExecuter;
 import net.mograsim.logic.model.LogicUICanvas;
 import net.mograsim.machine.Machine;
+import net.mograsim.machine.Memory.MemoryCellModifiedListener;
+import net.mograsim.machine.mi.AssignableMicroInstructionMemory;
 import net.mograsim.plugin.nature.MachineContext;
+import net.mograsim.plugin.nature.MachineContext.ActiveMachineListener;
 import net.mograsim.plugin.nature.ProjectMachineContext;
+import net.mograsim.plugin.tables.DisplaySettings;
+import net.mograsim.plugin.tables.mi.ActiveInstructionPreviewContentProvider;
+import net.mograsim.plugin.tables.mi.InstructionTable;
+import net.mograsim.preferences.Preferences;
 
 //TODO what if we open multiple editors?
 //TODO actually save / load register and latch states
 public class SimulationViewEditor extends EditorPart
 {
+       private static final int SIM_SPEED_SCALE_STEPS = 50;
+       private static final double SIM_SPEED_SCALE_STEP_FACTOR = 1.32;
+       private static final double SIM_SPEED_SCALE_STEP_FACTOR_LOG = Math.log(SIM_SPEED_SCALE_STEP_FACTOR);
+
        private MachineContext context;
 
        private LogicExecuter exec;
        private Machine machine;
 
        private Composite parent;
+       private Button resetButton;
+       private Button sbseButton;
+       private Button pauseButton;
+       private Scale simSpeedScale;
+       private DoubleInput simSpeedInput;
+       private Composite canvasParent;
        private LogicUICanvas canvas;
+       private InstructionTable instPreview;
        private Label noMachineLabel;
 
+       private ActiveMachineListener activeMachineListener;
+       private MemoryCellModifiedListener memCellListener;
+       private LogicObserver clockObserver;
+
+       public SimulationViewEditor()
+       {
+               activeMachineListener = m -> recreateContextDependentControls();
+               memCellListener = a -> instPreview.refresh();
+               clockObserver = o ->
+               {
+                       if (((CoreClock) o).isOn())
+                       {
+                               exec.pauseLiveExecution();
+                               if (!pauseButton.isDisposed())
+                                       Display.getDefault().asyncExec(() ->
+                                       {
+                                               if (!pauseButton.isDisposed())
+                                                       pauseButton.setSelection(false);
+                                               setPauseText(pauseButton, false);
+                                       });
+                       }
+               };
+       }
+
        @Override
        public void createPartControl(Composite parent)
        {
@@ -55,6 +99,10 @@ public class SimulationViewEditor extends EditorPart
                noMachineLabel = new Label(parent, SWT.NONE);
                noMachineLabel.setText("No machine present...");// TODO internationalize?
                addSimulationControlWidgets(parent);
+               canvasParent = new Composite(parent, SWT.NONE);
+               canvasParent.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
+               canvasParent.setLayout(new FillLayout());
+               addInstructionPreviewControlWidgets(parent);
                recreateContextDependentControls();
        }
 
@@ -64,80 +112,107 @@ public class SimulationViewEditor extends EditorPart
                        // createPartControls has not been called yet
                        return;
 
+               double offX;
+               double offY;
+               double zoom;
+               stopExecAndDeregisterContextDependentListeners();
                if (canvas != null)
+               {
+                       offX = canvas.getOffX();
+                       offY = canvas.getOffY();
+                       zoom = canvas.getZoom();
                        canvas.dispose();
-               if (exec != null)
-                       exec.stopLiveExecution();
+               } else
+               {
+                       offX = 0;
+                       offY = 0;
+                       zoom = -1;
+               }
 
                Optional<Machine> machineOptional;
                if (context != null && (machineOptional = context.getActiveMachine()).isPresent())
                {
                        noMachineLabel.setVisible(false);
+                       resetButton.setEnabled(true);
+                       sbseButton.setEnabled(true);
+                       pauseButton.setEnabled(true);
+                       simSpeedScale.setEnabled(true);
+                       simSpeedInput.setEnabled(true);
+
                        machine = machineOptional.get();
-                       canvas = new LogicUICanvas(parent, SWT.NONE, machine.getModel());
+                       canvas = new LogicUICanvas(canvasParent, SWT.NONE, machine.getModel());
+                       canvas.addListener(SWT.MouseDown, e -> canvas.setFocus());
                        ZoomableCanvasUserInput userInput = new ZoomableCanvasUserInput(canvas);
-                       userInput.buttonDrag = 3;
-                       userInput.buttonZoom = 2;
+                       userInput.buttonDrag = Preferences.current().getInt("net.mograsim.logic.model.button.drag");
+                       userInput.buttonZoom = Preferences.current().getInt("net.mograsim.logic.model.button.zoom");
                        userInput.enableUserInput();
+                       if (zoom > 0)
+                       {
+                               canvas.moveTo(offX, offY, zoom);
+                               canvas.commitTransform();
+                       }
+
+                       AssignableMicroInstructionMemory mIMemory = machine.getMicroInstructionMemory();
+                       instPreview.bindMicroInstructionMemory(mIMemory);
+                       mIMemory.registerCellModifiedListener(memCellListener);
 
-                       GridData uiData = new GridData(GridData.GRAB_HORIZONTAL | GridData.GRAB_VERTICAL | GridData.FILL_BOTH);
-                       canvas.setLayoutData(uiData);
+                       canvasParent.layout();
 
                        // initialize executer
                        exec = new LogicExecuter(machine.getTimeline());
+                       updateSpeedFactorFromScale();
+                       updatePausedState();
                        exec.startLiveExecution();
                } else
+               {
                        noMachineLabel.setVisible(true);
+                       resetButton.setEnabled(false);
+                       sbseButton.setEnabled(false);
+                       pauseButton.setEnabled(false);
+                       simSpeedScale.setEnabled(false);
+                       simSpeedInput.setEnabled(false);
+               }
+       }
+
+       private void stopExecAndDeregisterContextDependentListeners()
+       {
+               if (exec != null)
+                       exec.stopLiveExecution();
+               if (machine != null)
+               {
+                       machine.getMicroInstructionMemory().deregisterCellModifiedListener(memCellListener);
+                       machine.getClock().deregisterObserver(clockObserver);
+               }
        }
 
        private void addSimulationControlWidgets(Composite parent)
        {
                Composite c = new Composite(parent, SWT.NONE);
-               c.setLayout(new GridLayout(7, false));
+               c.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
+               c.setLayout(new GridLayout(6, false));
 
-               Button sbseButton = new Button(c, SWT.CHECK);
-               Button pauseButton = new Button(c, SWT.TOGGLE);
-               LogicObserver clockObserver = o ->
-               {
-                       if (((CoreClock) o).isOn())
-                       {
-                               exec.pauseLiveExecution();
-                               Display.getDefault().asyncExec(() ->
-                               {
-                                       pauseButton.setSelection(false);
-                                       setPauseText(pauseButton, false);
-                               });
-                       }
-               };
+               resetButton = new Button(c, SWT.PUSH);
+               resetButton.setText("Reset machine");
+               resetButton.addListener(SWT.Selection, e -> context.getActiveMachine().get().reset());
+
+               sbseButton = new Button(c, SWT.CHECK);
+               pauseButton = new Button(c, SWT.TOGGLE);
 
+               sbseButton.setText("Step by step execution");
                sbseButton.addListener(SWT.Selection, e ->
                {
-                       String statusString = "disabled";
                        CoreClock cl = machine.getClock();
                        if (sbseButton.getSelection())
-                       {
                                cl.registerObserver(clockObserver);
-                               statusString = "enabled";
-                       } else
+                       else
                                cl.deregisterObserver(clockObserver);
-                       sbseButton.setToolTipText(String.format("Step by step execution: %s", statusString));
                });
                sbseButton.setSelection(false);
 
                pauseButton.setSelection(true);
                setPauseText(pauseButton, false);
 
-               pauseButton.addListener(SWT.Selection, e ->
-               {
-                       setPauseText(pauseButton, false);
-                       if (pauseButton.getSelection())
-                       {
-                               exec.unpauseLiveExecution();
-                       } else
-                       {
-                               exec.pauseLiveExecution();
-                       }
-               });
+               pauseButton.addListener(SWT.Selection, e -> updatePausedState());
                pauseButton.addMouseTrackListener(new MouseTrackListener()
                {
                        @Override
@@ -159,29 +234,63 @@ public class SimulationViewEditor extends EditorPart
                        }
                });
 
-               Label speedLabel = new Label(c, SWT.NONE);
-               speedLabel.setText("Simulation Speed: ");
+               new Label(c, SWT.NONE).setText("Simulation Speed: ");
 
-               Slider slider = new Slider(c, SWT.NONE);
-               slider.setMinimum(1);
-               slider.setMaximum(100 + slider.getThumb());
-               slider.setIncrement(1);
+               simSpeedScale = new Scale(c, SWT.NONE);
+               simSpeedScale.setMinimum(0);
+               simSpeedScale.setMaximum(SIM_SPEED_SCALE_STEPS);
+               simSpeedScale.setIncrement(1);
+               simSpeedScale.setSelection(0);
+               simSpeedScale.addListener(SWT.Selection, e -> updateSpeedFactorFromScale());
 
-               Label speedPercentageLabel = new Label(c, SWT.NONE);
-               speedPercentageLabel.setText("100%");
+               simSpeedInput = new DoubleInput(c, SWT.NONE);
+               simSpeedInput.setPrecision(Preferences.current().getInt("net.mograsim.plugin.core.simspeedprecision"));
+               simSpeedInput.addChangeListener(this::updateSpeedFactorFromInput);
 
-               slider.addListener(SWT.Selection, e ->
-               {
-                       int selection = slider.getSelection();
-                       speedPercentageLabel.setText(selection + "%");
+               updateSpeedFactorFromScale();
 
-                       exec.setSpeedPercentage(slider.getSelection());
-               });
-               slider.setSelection(100);
+               c.layout();
+       }
 
-               c.setLayoutData(new GridData(GridData.GRAB_HORIZONTAL | GridData.FILL_HORIZONTAL));
-               c.pack();
-               c.setVisible(true);
+       private void updatePausedState()
+       {
+               setPauseText(pauseButton, false);
+               if (exec != null)
+                       if (pauseButton.getSelection())
+                               exec.unpauseLiveExecution();
+                       else
+                               exec.pauseLiveExecution();
+       }
+
+       private void updateSpeedFactorFromScale()
+       {
+               double factor = Math.pow(SIM_SPEED_SCALE_STEP_FACTOR, simSpeedScale.getSelection() - SIM_SPEED_SCALE_STEPS);
+               simSpeedInput.setValue(factor);
+               if (exec != null)
+                       exec.setSpeedFactor(factor);
+       }
+
+       private void updateSpeedFactorFromInput(double factor)
+       {
+               double factorCheckedFor0;
+               if (factor != 0)
+                       factorCheckedFor0 = factor;
+               else
+               {
+                       factorCheckedFor0 = Math.pow(10, -simSpeedInput.getPrecision());
+                       simSpeedInput.setValue(factorCheckedFor0);
+               }
+               int closestScalePos = (int) Math.round(Math.log(factorCheckedFor0) / SIM_SPEED_SCALE_STEP_FACTOR_LOG + SIM_SPEED_SCALE_STEPS);
+               simSpeedScale.setSelection(Math.min(Math.max(closestScalePos, 0), SIM_SPEED_SCALE_STEPS));
+               if (exec != null)
+                       exec.setSpeedFactor(factorCheckedFor0);
+       }
+
+       private void addInstructionPreviewControlWidgets(Composite parent)
+       {
+               instPreview = new InstructionTable(parent, new DisplaySettings());
+               instPreview.getTableViewer().getTable().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
+               instPreview.setContentProvider(new ActiveInstructionPreviewContentProvider(instPreview.getTableViewer()));
        }
 
        private static void setPauseText(Button pauseButton, boolean hovered)
@@ -204,6 +313,8 @@ public class SimulationViewEditor extends EditorPart
                {
                        IFileEditorInput fileInput = (IFileEditorInput) input;
                        context = ProjectMachineContext.getMachineContextOf(fileInput.getFile().getProject());
+                       context.activateMachine();
+                       context.addActiveMachineListener(activeMachineListener);
                        recreateContextDependentControls();
 
                        setPartName(fileInput.getName());
@@ -262,7 +373,8 @@ public class SimulationViewEditor extends EditorPart
        @Override
        public void dispose()
        {
-               exec.stopLiveExecution();
+               stopExecAndDeregisterContextDependentListeners();
+               context.removeActiveMachineListener(activeMachineListener);
                super.dispose();
        }
 }
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