Merge pull request #9209 from neilcsmith-net/tc-drag-colour

Follow FlatLaf colours for component drag target indicator.

Author: neilcsmith-net

platform/core.windows/src/org/netbeans/core/windows/view/dnd/DropTargetGlassPane.java

@@ -292,7 +292,9 @@ private TexturePaint getIndicationPaint() {
     private Stroke stroke;
     private Stroke getIndicationStroke() {
         if (stroke == null) {
-            stroke = new BasicStroke(3, BasicStroke.CAP_SQUARE, BasicStroke.JOIN_MITER, 10.0f, new float[] {10.0f}, 0.0f);
+            int strokeWidth = UIManager.getInt("Panel.dropTargetGlassPane.strokeWidth");
+            strokeWidth = strokeWidth < 1 ? 3 : strokeWidth;
+            stroke = new BasicStroke(strokeWidth, BasicStroke.CAP_SQUARE, BasicStroke.JOIN_MITER, 10.0f, new float[] {10.0f}, 0.0f);
         }
         return stroke;
     }        

platform/o.n.swing.laf.flatlaf/src/org/netbeans/swing/laf/flatlaf/FlatDarkLaf.properties

@@ -72,6 +72,10 @@ ViewTab.underlineColor=$EditorTab.underlineColor
 ViewTab.inactiveUnderlineColor=$EditorTab.inactiveUnderlineColor
 ViewTab.tabSeparatorColor=$EditorTab.tabSeparatorColor
 
+#---- Tab Dragging ----
+
+Panel.dropTargetGlassPane=tint($EditorTab.underlineColor, 25%)
+
 #---- SlidingButton ----
 
 SlidingButton.hoverBackground=$ViewTab.hoverBackground

platform/o.n.swing.laf.flatlaf/src/org/netbeans/swing/laf/flatlaf/FlatLaf.properties

@@ -94,6 +94,11 @@ ViewTab.tabSeparatorColor=$Component.borderColor
 ViewTab.showTabSeparators=true
 ViewTab.showSelectedTabBorder=true
 
+#---- Tab Dragging ----
+
+Panel.dropTargetGlassPane=$EditorTab.underlineColor
+Panel.dropTargetGlassPane.strokeWidth=3
+
 #---- Multi-tabs ----
 
 nb.multitabs.tabInsets=5,2,7,2

platform/o.n.swing.laf.flatlaf/src/org/netbeans/swing/laf/flatlaf/FlatLightLaf.properties

@@ -39,7 +39,6 @@ EditorTab.attentionForeground=#000
 EditorTab.underlineColor=$TabbedPane.underlineColor
 EditorTab.inactiveUnderlineColor=#00000000
 
-
 #---- ViewTab ----
 
 ViewTab.background=$EditorTab.background
@@ -56,6 +55,9 @@ ViewTab.attentionForeground=$EditorTab.attentionForeground
 ViewTab.underlineColor=$EditorTab.underlineColor
 ViewTab.inactiveUnderlineColor=$EditorTab.inactiveUnderlineColor
 
+#---- Tab Dragging ----
+
+Panel.dropTargetGlassPane=shade($EditorTab.underlineColor, 20%)
 
 #---- SlidingButton ----