X-Git-Url: https://mograsim.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=LogicUI%2Fsrc%2Fera%2Fmi%2Fgui%2FLogicUIStandalone.java;fp=LogicUI%2Fsrc%2Fera%2Fmi%2Fgui%2FLogicUIStandalone.java;h=fea7e184078a00fc3114f8c0af830e2992419f12;hb=da0a4b7d0619283bb4384091356ce3f105c84e78;hp=0000000000000000000000000000000000000000;hpb=d51bf9c3df364fa37f80730a02a67009edf729e4;p=Mograsim.git

diff --git a/LogicUI/src/era/mi/gui/LogicUIStandalone.java b/LogicUI/src/era/mi/gui/LogicUIStandalone.java
new file mode 100644
index 00000000..fea7e184
--- /dev/null
+++ b/LogicUI/src/era/mi/gui/LogicUIStandalone.java
@@ -0,0 +1,85 @@
+package era.mi.gui;
+
+import java.util.concurrent.atomic.AtomicBoolean;
+
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.layout.FillLayout;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Shell;
+
+import era.mi.logic.Simulation;
+import net.haspamelodica.swt.helper.zoomablecanvas.helper.ZoomableCanvasOverlay;
+import net.haspamelodica.swt.helper.zoomablecanvas.helper.ZoomableCanvasUserInput;
+
+/**
+ * Standalone simulation visualizer.
+ * 
+ * @author Daniel Kirschten
+ */
+public class LogicUIStandalone
+{
+	private final Display display;
+	private final Shell shell;
+	private final LogicUICanvas ui;
+
+	public LogicUIStandalone()
+	{
+		display = new Display();
+		shell = new Shell(display);
+		shell.setLayout(new FillLayout());
+		ui = new LogicUICanvas(shell, SWT.NONE);
+
+		ZoomableCanvasUserInput userInput = new ZoomableCanvasUserInput(ui);
+		userInput.buttonDrag = 3;
+		userInput.buttonZoom = 2;
+		userInput.enableUserInput();
+		new ZoomableCanvasOverlay(ui, null).enableScale();
+	}
+
+	public LogicUICanvas getLogicUICanvas()
+	{
+		return ui;
+	}
+
+	/**
+	 * Start the simulation timeline, and open the UI shell. Returns when the shell is closed.
+	 */
+	public void run()
+	{
+		AtomicBoolean running = new AtomicBoolean(true);
+		Thread simulationThread = new Thread(() ->
+		{
+			while (running.get())
+			{
+				// always execute to keep timeline from "hanging behind" for too long
+				Simulation.TIMELINE.executeUpTo(System.currentTimeMillis(), System.currentTimeMillis() + 10);
+				long sleepTime;
+				if (Simulation.TIMELINE.hasNext())
+					sleepTime = Simulation.TIMELINE.nextEventTime() - System.currentTimeMillis();
+				else
+					sleepTime = 10;
+				try
+				{
+					if (sleepTime > 0)
+						Thread.sleep(sleepTime);
+				}
+				catch (InterruptedException e)
+				{
+				} // it is normal execution flow to be interrupted
+			}
+		});
+		simulationThread.start();
+		Simulation.TIMELINE.addEventAddedListener(event ->
+		{
+			if (event.getTiming() <= System.currentTimeMillis())
+				simulationThread.interrupt();
+		});
+
+		shell.open();
+		while (!shell.isDisposed())
+			if (!display.readAndDispatch())
+				display.sleep();
+		running.set(false);
+		simulationThread.interrupt();
+	}
+}
\ No newline at end of file