Renamed mograsim to net.mograsim

[Mograsim.git] / LogicUI / src / net / mograsim / logic / ui / LogicUICanvas.java

diff --git a/LogicUI/src/net/mograsim/logic/ui/LogicUICanvas.java b/LogicUI/src/net/mograsim/logic/ui/LogicUICanvas.java
new file mode 100644 (file)
index 0000000..3a08097
--- /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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