HiDPI scaling for diagram ruler and model activity tracker

[simantics/platform.git] / bundles / org.simantics.diagram / src / org / simantics / diagram / participant / DiagramModelActivityTracker.java

diff --git a/bundles/org.simantics.diagram/src/org/simantics/diagram/participant/DiagramModelActivityTracker.java b/bundles/org.simantics.diagram/src/org/simantics/diagram/participant/DiagramModelActivityTracker.java
index 630032baeda2def1bd4b1e0b4c39a4c53907fb04..e2787743886058aaf4a5ab0b5e4fde0984ca2c99 100644 (file)
--- a/bundles/org.simantics.diagram/src/org/simantics/diagram/participant/DiagramModelActivityTracker.java
+++ b/bundles/org.simantics.diagram/src/org/simantics/diagram/participant/DiagramModelActivityTracker.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * Copyright (c) 2007, 2018 Association for Decentralized Information Management
  * in Industry THTH ry.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
@@ -35,10 +35,12 @@ import org.simantics.g2d.canvas.impl.AbstractCanvasParticipant;
 import org.simantics.g2d.canvas.impl.HintReflection.HintListener;
 import org.simantics.g2d.canvas.impl.SGNodeReflection.SGCleanup;
 import org.simantics.g2d.canvas.impl.SGNodeReflection.SGInit;
+import org.simantics.g2d.participant.RulerPainter;
 import org.simantics.g2d.utils.Alignment;
 import org.simantics.layer0.Layer0;
 import org.simantics.modeling.ModelingResources;
 import org.simantics.scenegraph.g2d.G2DParentNode;
+import org.simantics.scenegraph.utils.DPIUtil;
 import org.simantics.structural.stubs.StructuralResource2;
 import org.simantics.utils.datastructures.hints.IHintContext;
 import org.simantics.utils.datastructures.hints.IHintContext.Key;
@@ -67,6 +69,9 @@ public class DiagramModelActivityTracker extends AbstractCanvasParticipant {
     Resource                   input;
     IsInActiveModelListener    listener;
     TextNode                   bannerNode;
+    Rectangle2D                bounds;
+    boolean                    rulerVisible = false;
+    double                     rulerSize = 0;
 
     public DiagramModelActivityTracker(Resource input) {
         if (input == null)
@@ -76,18 +81,34 @@ public class DiagramModelActivityTracker extends AbstractCanvasParticipant {
 
     @HintListener(Class=Hints.class, Field="KEY_CONTROL_BOUNDS")
     public void controlBoundsChanged(IHintObservable sender, Key key, Object oldValue, Object newValue) {
+        bounds = (Rectangle2D) newValue;
+        resetBannerNode(bounds, rulerVisible, rulerSize);
+    }
+
+    @HintListener(Class=RulerPainter.class, Field="KEY_RULER_ENABLED")
+    public void rulerToggled(IHintObservable sender, Key key, Object oldValue, Object newValue) {
+        rulerVisible = Boolean.TRUE.equals(newValue);
+        resetBannerNode(bounds, rulerVisible, rulerSize);
+    }
+
+    @HintListener(Class=RulerPainter.class, Field="KEY_RULER_SIZE")
+    public void rulerSizeChanged(IHintObservable sender, Key key, Object oldValue, Object newValue) {
+        rulerSize = newValue != null ? (Double) newValue : 0.0;
+        resetBannerNode(bounds, rulerVisible, rulerSize);
+    }
+
+    private void resetBannerNode(Rectangle2D bounds, boolean rulerVisible, double rulerSize) {
         if (bannerNode == null)
             return;
-        if (newValue != null) {
-            Rectangle2D bounds = (Rectangle2D) newValue;
+        if (bounds != null) {
             AffineTransform at = new AffineTransform();
             at.translate(5,5);
-//            at.translate(bounds.getWidth() / 2, bounds.getHeight() / 2);
-//            at.scale(2, 2);
-//            at.rotate(-Math.PI/6);
-//            at.translate(bounds.getWidth() - 150, bounds.getHeight() - 30);
-//            at.scale(1, 1);
+            if (rulerVisible) {
+                double s = DPIUtil.upscale(rulerSize);
+                at.translate(s, s);
+            }
             bannerNode.setTransform(at);
+            bannerNode.setColor(Color.BLACK);
         } else {
             // Disable rendering
             bannerNode.setColor(null);
@@ -112,6 +133,10 @@ public class DiagramModelActivityTracker extends AbstractCanvasParticipant {
     public void addedToContext(ICanvasContext ctx) {
         super.addedToContext(ctx);
 
+        rulerVisible = Boolean.TRUE.equals(getHint(RulerPainter.KEY_RULER_ENABLED));
+        Double rs = getHint(RulerPainter.KEY_RULER_SIZE);
+        rulerSize = rs != null ? rs : 0;
+
         listener = new IsInActiveModelListener(ctx);
         Simantics.getSession().async(new IsActiveDiagram(input), listener);
 
@@ -139,12 +164,14 @@ public class DiagramModelActivityTracker extends AbstractCanvasParticipant {
         bannerNode.setVerticalAlignment((byte) Alignment.LEADING.ordinal());
         //bannerNode.setText("Model is not active.");
         bannerNode.setText("");
-        bannerNode.setFont(Font.decode("Arial 16"));
+        int fontSize = DPIUtil.upscale(16);
+        bannerNode.setFont(new Font("Tahoma", Font.PLAIN, fontSize));
         //bannerNode.setBackgroundColor(new Color(192, 192, 192, 128));
         bannerNode.setPadding(10, 10);
         bannerNode.setBorderColor(Color.GRAY);
         bannerNode.setBorderWidth(0);
         bannerNode.setEditable(false);
+        bannerNode.setColor(Color.BLACK);
     }
 
     @SGCleanup