Add flag to disable animations (global and individual components).

core/src/main/java/com/github/weisj/darklaf/graphics/Animator.java

@@ -29,8 +29,13 @@ import java.util.concurrent.atomic.AtomicBoolean;
 
 import javax.swing.*;
 
+import com.github.weisj.darklaf.DarkLaf;
+import com.github.weisj.darklaf.util.PropertyValue;
+
 /** @author Konstantin Bulenkov */
 public abstract class Animator {
+
+    public static final String ANIMATIONS_FLAG = DarkLaf.SYSTEM_PROPERTY_PREFIX + "animations";
     private static final ScheduledExecutorService scheduler = createScheduler();
 
     private final int totalFrames;
@@ -47,6 +52,7 @@ public abstract class Animator {
     private int currentFrame;
     private long startTime;
     private long stopTime;
+    private boolean enabled = true;
     private volatile boolean disposed = false;
 
     public Animator(final int totalFrames, final int cycleDuration, final int delayFrames) {
@@ -120,11 +126,23 @@ public abstract class Animator {
         resume(0);
     }
 
+    private boolean animationsEnabled() {
+        return enabled && !PropertyValue.FALSE.equals(System.getProperty(ANIMATIONS_FLAG));
+    }
+
+    public boolean isEnabled() {
+        return enabled;
+    }
+
+    public void setEnabled(final boolean enabled) {
+        this.enabled = enabled;
+    }
+
     public void resume(final int startFrame) {
         if (startFrame < 0) {
             throw new IllegalArgumentException("Starting frame must be non negative.");
         }
-        if (cycleDuration == 0 || startFrame >= totalFrames) {
+        if (cycleDuration == 0 || startFrame >= totalFrames || !animationsEnabled()) {
             currentFrame = totalFrames - 1;
             paint();
             animationDone();

core/src/main/java/com/github/weisj/darklaf/ui/scrollpane/DarkScrollBarListener.java

@@ -56,10 +56,15 @@ public class DarkScrollBarListener extends MouseAdapter implements AdjustmentLis
     public DarkScrollBarListener(final JScrollBar scrollbar, final DarkScrollBarUI ui) {
         this.scrollbar = scrollbar;
         this.ui = ui;
+        boolean animationsEnabled = UIManager.getBoolean("ScrollBar.animated");
         trackFadeoutAnimator = createTrackFadeoutAnimator();
         trackFadeinAnimator = createTrackFadeinAnimator();
         thumbFadeoutAnimator = createThumbFadeoutAnimator();
         thumbFadeinAnimator = createThumbFadeinAnimator();
+        trackFadeoutAnimator.setEnabled(animationsEnabled);
+        trackFadeinAnimator.setEnabled(animationsEnabled);
+        thumbFadeoutAnimator.setEnabled(animationsEnabled);
+        thumbFadeinAnimator.setEnabled(animationsEnabled);
     }
 
     public void uninstall() {

core/src/main/java/com/github/weisj/darklaf/ui/togglebutton/DarkToggleButtonListener.java

@@ -40,7 +40,12 @@ public class DarkToggleButtonListener extends DarkButtonListener<DarkToggleButto
         super(b, ui);
         this.selected = b.isSelected();
         button = b;
-        animator = new SliderAnimator(b);
+        animator = createAnimator();
+        animator.setEnabled(UIManager.getBoolean("ToggleButton.animated"));
+    }
+
+    protected SliderAnimator createAnimator() {
+        return new SliderAnimator(button);
     }
 
     public float getAnimationState() {
@@ -72,13 +77,14 @@ public class DarkToggleButtonListener extends DarkButtonListener<DarkToggleButto
         boolean sel = button.isSelected();
         if (sel != selected) {
             selected = sel;
+            float endState = sel ? 1 : 0;
             int startFrame = 0;
             if (animator.isRunning()) {
                 startFrame = animator.getCurrentFrame();
             }
             animator.suspend();
             animator.setForward(sel);
-            animator.setEndValue(sel ? 1 : 0);
+            animator.setEndValue(endState);
             animator.resume(startFrame);
         }
     }

core/src/main/resources/com/github/weisj/darklaf/properties/overwrites.properties

@@ -33,3 +33,5 @@ Tree.defaultLineStyle              = treeLineStyle
 Tree.showFullRowInPopup            = treeRowPopup
 ToolTip.defaultStyle               = tooltipStyle
 TitlePane.unifiedMenuBar           = unifiedMenuBar
+ToggleButton.animated              = animations
+ScrollBar.animated                 = animations

core/src/main/resources/com/github/weisj/darklaf/properties/ui/scrollBar.properties

@@ -35,3 +35,4 @@ ScrollBar.thumbHighlight   = null
 ScrollBar.smallWidth       = 8
 ScrollBar.width            = 10
 ScrollBar.thumbAlpha       = 60
+ScrollBar.animated         = true

core/src/main/resources/com/github/weisj/darklaf/properties/ui/toggleButton.properties

@@ -40,3 +40,4 @@ ToggleButton.activeFillColor               = %textForegroundInactive
 
 ToggleButton.sliderSize                    = 35,17
 ToggleButton.showSliderHints               = false
+ToggleButton.animated                      = true