X-Git-Url: https://mograsim.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=LogicUI%2Fsrc%2Fnet%2Fmograsim%2Flogic%2Fui%2FLogicUICanvas.java;fp=LogicUI%2Fsrc%2Fnet%2Fmograsim%2Flogic%2Fui%2FLogicUICanvas.java;h=3a080973212ad59c3f4dcb56f73c8a1b9cd31828;hb=0009789a8df6b8d4562b6e1cbfa75102a7516ea8;hp=0000000000000000000000000000000000000000;hpb=a28f7aa0dab4248e99159c5a647676170cb17a4e;p=Mograsim.git

diff --git a/LogicUI/src/net/mograsim/logic/ui/LogicUICanvas.java b/LogicUI/src/net/mograsim/logic/ui/LogicUICanvas.java
new file mode 100644
index 00000000..3a080973
--- /dev/null
+++ b/LogicUI/src/net/mograsim/logic/ui/LogicUICanvas.java
@@ -0,0 +1,114 @@
+package net.mograsim.logic.ui;
+
+import java.util.function.Consumer;
+
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Event;
+
+import net.haspamelodica.swt.helper.gcs.GeneralGC;
+import net.haspamelodica.swt.helper.swtobjectwrappers.Point;
+import net.haspamelodica.swt.helper.swtobjectwrappers.Rectangle;
+import net.haspamelodica.swt.helper.zoomablecanvas.ZoomableCanvas;
+import net.mograsim.logic.ui.model.ViewModel;
+import net.mograsim.logic.ui.model.components.GUIComponent;
+import net.mograsim.logic.ui.model.wires.GUIWire;
+import net.mograsim.logic.ui.model.wires.Pin;
+
+/**
+ * Simulation visualizer canvas.
+ * 
+ * @author Daniel Kirschten
+ */
+public class LogicUICanvas extends ZoomableCanvas
+{
+	private static final boolean DRAW_PINS = false;
+
+	private final ViewModel model;
+
+	public LogicUICanvas(Composite parent, int style, ViewModel model)
+	{
+		super(parent, style);
+
+		this.model = model;
+
+		Consumer<Object> redrawConsumer = o -> redrawThreadsafe();
+		Consumer<Pin> pinAddedListener = p ->
+		{
+			p.addPinMovedListener(redrawConsumer);
+			redrawThreadsafe();
+		};
+		Consumer<Pin> pinRemovedListener = p ->
+		{
+			p.removePinMovedListener(redrawConsumer);
+			redrawThreadsafe();
+		};
+		Consumer<? super GUIComponent> componentAddedListener = c ->
+		{
+			c.addComponentLookChangedListener(redrawConsumer);
+			c.addComponentMovedListener(redrawConsumer);
+			c.addPinAddedListener(pinAddedListener);
+			c.addPinRemovedListener(pinRemovedListener);
+			redrawThreadsafe();
+		};
+		model.addComponentAddedListener(componentAddedListener);
+		model.getComponents().forEach(componentAddedListener);
+		model.addComponentRemovedListener(c ->
+		{
+			c.removeComponentLookChangedListener(redrawConsumer);
+			c.removeComponentMovedListener(redrawConsumer);
+			c.removePinAddedListener(pinAddedListener);
+			c.removePinRemovedListener(pinRemovedListener);
+			redrawThreadsafe();
+		});
+		Consumer<? super GUIWire> wireAddedListener = w ->
+		{
+			w.addWireLookChangedListener(redrawConsumer);
+			redrawThreadsafe();
+		};
+		model.addWireAddedListener(wireAddedListener);
+		model.getWires().forEach(wireAddedListener);
+		model.addWireRemovedListener(w ->
+		{
+			w.removeWireLookChangedListener(redrawConsumer);
+			redrawThreadsafe();
+		});
+
+		addZoomedRenderer(gc ->
+		{
+			gc.setLineWidth(.5);
+			model.getWires().forEach(w -> w.render(gc));
+			Rectangle visibleRegion = new Rectangle(offX, offY, gW / zoom, gH / zoom);
+			model.getComponents().forEach(c -> drawComponent(gc, c, visibleRegion));
+		});
+		addListener(SWT.MouseDown, this::mouseDown);
+	}
+
+	private void drawComponent(GeneralGC gc, GUIComponent component, Rectangle visibleRegion)
+	{
+		component.render(gc, visibleRegion);
+		if (DRAW_PINS)
+		{
+			gc.setBackground(getDisplay().getSystemColor(SWT.COLOR_DARK_CYAN));
+			for (Pin p : component.getPins())
+			{
+				Point pos = p.getPos();
+				gc.fillOval(pos.x - 1, pos.y - 1, 2, 2);
+			}
+		}
+	}
+
+	private void mouseDown(Event e)
+	{
+		if (e.button == 1)
+		{
+			Point click = displayToWorldCoords(e.x, e.y);
+			for (GUIComponent component : model.getComponents())
+				if (component.getBounds().contains(click) && component.clicked(click.x, click.y))
+				{
+					redraw();
+					break;
+				}
+		}
+	}
+}
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