SubmodelComponents now have a label shown when zoomed out

[Mograsim.git] / net.mograsim.logic.ui / src / net / mograsim / logic / ui / model / components / SubmodelComponent.java

diff --git a/net.mograsim.logic.ui/src/net/mograsim/logic/ui/model/components/SubmodelComponent.java b/net.mograsim.logic.ui/src/net/mograsim/logic/ui/model/components/SubmodelComponent.java
index eae636a..4b67650 100644 (file)
--- a/net.mograsim.logic.ui/src/net/mograsim/logic/ui/model/components/SubmodelComponent.java
+++ b/net.mograsim.logic.ui/src/net/mograsim/logic/ui/model/components/SubmodelComponent.java
@@ -8,6 +8,7 @@ import java.util.Map.Entry;
 import net.haspamelodica.swt.helper.gcs.GCDefaultConfig;
 import net.haspamelodica.swt.helper.gcs.GeneralGC;
 import net.haspamelodica.swt.helper.gcs.TranslatedGC;
+import net.haspamelodica.swt.helper.swtobjectwrappers.Point;
 import net.haspamelodica.swt.helper.swtobjectwrappers.Rectangle;
 import net.mograsim.logic.ui.LogicUIRenderer;
 import net.mograsim.logic.ui.model.ViewModel;
@@ -24,12 +25,13 @@ public class SubmodelComponent extends GUIComponent
        private final Map<Pin, Pin> supermodelPinsPerSubmodelPinUnmodifiable;
        private final SubmodelInterface submodelInterface;
 
+       private final String label;
        private double submodelScale;
        private double maxVisibleRegionFillRatioForAlpha0;
        private double minVisibleRegionFillRatioForAlpha1;
        private final LogicUIRenderer renderer;
 
-       public SubmodelComponent(ViewModelModifiable model)
+       public SubmodelComponent(ViewModelModifiable model, String label)
        {
                super(model);
                this.submodelModifiable = new ViewModelModifiable();
@@ -40,6 +42,7 @@ public class SubmodelComponent extends GUIComponent
                this.supermodelPinsPerSubmodelPinUnmodifiable = Collections.unmodifiableMap(supermodelPinsPerSubmodelPin);
                this.submodelInterface = new SubmodelInterface(submodelModifiable);
 
+               this.label = label;
                this.submodelScale = 1;
                this.maxVisibleRegionFillRatioForAlpha0 = 0.1;
                this.minVisibleRegionFillRatioForAlpha1 = 0.8;
@@ -142,8 +145,12 @@ public class SubmodelComponent extends GUIComponent
                double alphaFactor = map(visibleRegionFillRatio, maxVisibleRegionFillRatioForAlpha0, minVisibleRegionFillRatioForAlpha1, 0, 1);
                alphaFactor = Math.max(0, Math.min(1, alphaFactor));
                // we need to take the old alpha into account to support nested submodules better.
-               gc.setAlpha(Math.max(0, Math.min(255, (int) (gc.getAlpha() * alphaFactor))));
+               int oldAlpha = gc.getAlpha();
+               gc.setAlpha(Math.max(0, Math.min(255, (int) (oldAlpha * alphaFactor))));
                renderer.render(tgc, visibleRegion.translate(posX, posY, submodelScale));
+               gc.setAlpha(Math.max(0, Math.min(255, (int) (oldAlpha * (1 - alphaFactor)))));
+               Point textExtent = gc.textExtent(label);
+               gc.drawText(label, posX + (getBounds().width - textExtent.x) / 2, posY + (getBounds().height - textExtent.y) / 2, true);
                conf.reset(gc);
                // draw the "bounding box" after all other operations to make interface pins look better
                gc.drawRectangle(getBounds());