From f8e5f809d42052d13e5c1eb408adf65bccd6bbca Mon Sep 17 00:00:00 2001
From: Sergey Malenkov <sergey.malenkov@jetbrains.com>
Date: Thu, 12 Oct 2017 19:47:53 +0300
Subject: [PATCH] add experimental editor's thumb on windows

---
 .../intellij/ui/components/ScrollPainter.java | 38 +++++++++++++++++--
 .../util/resources/misc/registry.properties   | 30 +++++++++++++++
 2 files changed, 65 insertions(+), 3 deletions(-)

diff --git a/platform/platform-api/src/com/intellij/ui/components/ScrollPainter.java b/platform/platform-api/src/com/intellij/ui/components/ScrollPainter.java
index b22fbdd77c31..23ad3d3c0988 100644
--- a/platform/platform-api/src/com/intellij/ui/components/ScrollPainter.java
+++ b/platform/platform-api/src/com/intellij/ui/components/ScrollPainter.java
@@ -71,9 +71,41 @@ class ScrollPainter extends RegionPainter.Alpha {
   }
 
   static final class EditorThumb {
-    static final RegionPainter<Float> DARCULA = new ScrollPainter(0, .33f, .12f, Gray.xA6, Gray.x1A);
-    static final RegionPainter<Float> DEFAULT = new Protected(new SubtractColor(0, .25f, .15f, Gray.x80, Gray.xA6),
-                                                              new ScrollPainter(0, .25f, .15f, Gray.x80, Gray.x59));
+    private static final RegionPainter<Float> DARCULA_OLD = new ScrollPainter(0, .33f, .12f, Gray.xA6, Gray.x1A);
+    private static final RegionPainter<Float> DARCULA_NEW = new EditorThumbPainter(
+      1,
+      value("win.editor.thumb.darcula.alpha.base", 89),
+      value("win.editor.thumb.darcula.alpha.delta", 166),
+      new ColorFunction(
+        value("win.editor.thumb.darcula.color.min", 0x8C),
+        value("win.editor.thumb.darcula.color.max", 0xA1)),
+      gray("win.editor.thumb.darcula.border", 0x1F));
+
+    private static final RegionPainter<Float> DEFAULT_OLD = new Protected(new SubtractColor(0, .25f, .15f, Gray.x80, Gray.xA6),
+                                                                          new ScrollPainter(0, .25f, .15f, Gray.x80, Gray.x59));
+    private static final RegionPainter<Float> DEFAULT_NEW = new EditorThumbPainter(
+      2,
+      value("win.editor.thumb.default.alpha.base", 140),
+      value("win.editor.thumb.default.alpha.delta", 115),
+      new ColorFunction(
+        value("win.editor.thumb.default.color.min", 0x9E),
+        value("win.editor.thumb.default.color.max", 0xBD)),
+      gray("win.editor.thumb.default.border", 0x8C));
+
+    static final RegionPainter<Float> DARCULA = new RegionPainter<Float>() {
+      @Override
+      public void paint(Graphics2D g, int x, int y, int width, int height, Float value) {
+        RegionPainter<Float> painter = Registry.is("ide.editor.thumb.experimental") ? DARCULA_NEW : DARCULA_OLD;
+        painter.paint(g, x, y, width, height, value);
+      }
+    };
+    static final RegionPainter<Float> DEFAULT = new RegionPainter<Float>() {
+      @Override
+      public void paint(Graphics2D g, int x, int y, int width, int height, Float value) {
+        RegionPainter<Float> painter = Registry.is("ide.editor.thumb.experimental") ? DEFAULT_NEW : DEFAULT_OLD;
+        painter.paint(g, x, y, width, height, value);
+      }
+    };
 
     static final class Mac {
       private static final RegionPainter<Float> DARCULA_OLD = new Round(1, .35f, .20f, xA6, x0D);
diff --git a/platform/util/resources/misc/registry.properties b/platform/util/resources/misc/registry.properties
index 51cebb99b0ce..4f7ccec3be09 100644
--- a/platform/util/resources/misc/registry.properties
+++ b/platform/util/resources/misc/registry.properties
@@ -177,6 +177,36 @@ mac.editor.thumb.default.alpha.base.description=Allows to tune an experimental t
 mac.editor.thumb.default.alpha.delta=153
 mac.editor.thumb.default.alpha.delta.description=Allows to tune an experimental thumb color in the editor component.
 
+win.editor.thumb.darcula.border=31
+win.editor.thumb.darcula.border.description=Allows to tune an experimental thumb border in the editor component.
+
+win.editor.thumb.darcula.color.min=140
+win.editor.thumb.darcula.color.min.description=Allows to tune an experimental thumb color in the editor component.
+
+win.editor.thumb.darcula.color.max=161
+win.editor.thumb.darcula.color.max.description=Allows to tune an experimental thumb color in the editor component.
+
+win.editor.thumb.darcula.alpha.base=89
+win.editor.thumb.darcula.alpha.base.description=Allows to tune an experimental thumb color in the editor component.
+
+win.editor.thumb.darcula.alpha.delta=166
+win.editor.thumb.darcula.alpha.delta.description=Allows to tune an experimental thumb color in the editor component.
+
+win.editor.thumb.default.border=140
+win.editor.thumb.default.border.description=Allows to tune an experimental thumb border in the editor component.
+
+win.editor.thumb.default.color.min=158
+win.editor.thumb.default.color.min.description=Allows to tune an experimental thumb color in the editor component.
+
+win.editor.thumb.default.color.max=189
+win.editor.thumb.default.color.max.description=Allows to tune an experimental thumb color in the editor component.
+
+win.editor.thumb.default.alpha.base=140
+win.editor.thumb.default.alpha.base.description=Allows to tune an experimental thumb color in the editor component.
+
+win.editor.thumb.default.alpha.delta=115
+win.editor.thumb.default.alpha.delta.description=Allows to tune an experimental thumb color in the editor component.
+
 mac.scroll.thumb.darcula.color=166
 mac.scroll.thumb.darcula.color.description=Allows to tune a thumb color in the editor component.