JDT lambda and method references applied on SWT custom widgets

Change-Id: I04a40486e2deacc2b3a60db5debaac6c0e9ba279
Signed-off-by: Lars Vogel <Lars.Vogel@vogella.com>

9 files changed, 15 insertions, 15 deletions

diff --git a/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/AnimatedProgress.java b/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/AnimatedProgress.java
index 6a5308c4d4..0f3196c0cf 100644
--- a/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/AnimatedProgress.java
+++ b/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/AnimatedProgress.java
@@ -78,7 +78,7 @@ public AnimatedProgress(Composite parent, int style) {
 	showBorder = (style & SWT.BORDER) != 0;
 
 	addControlListener(ControlListener.controlResizedAdapter(e -> redraw()));
-	addPaintListener(e -> paint(e));
+	addPaintListener(this::paint);
 	addDisposeListener(e -> stop());
 }
 private static int checkStyle (int style) {
diff --git a/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/CCombo.java b/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/CCombo.java
index 5cb3e280e9..77f060a67e 100644
--- a/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/CCombo.java
+++ b/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/CCombo.java
@@ -1161,7 +1161,7 @@ boolean isDropped () {
 @Override
 public boolean isFocusControl () {
 	checkWidget();
-	Predicate<Control> checkFocusControl = (control) -> (control != null && !control.isDisposed() && control.isFocusControl ());
+	Predicate<Control> checkFocusControl = control -> (control != null && !control.isDisposed() && control.isFocusControl ());
 	if (checkFocusControl.test(text) || checkFocusControl.test(arrow) ||
 			checkFocusControl.test(list) || checkFocusControl.test(popup)) {
 		return true;
diff --git a/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/CLabel.java b/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/CLabel.java
index 4706d06f77..0dbe029f63 100644
--- a/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/CLabel.java
+++ b/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/CLabel.java
@@ -118,7 +118,7 @@ public CLabel(Composite parent, int style) {
 	if ((style & SWT.RIGHT) != 0)  align = SWT.RIGHT;
 	if ((style & SWT.LEFT) != 0)   align = SWT.LEFT;
 
-	addPaintListener(event -> onPaint(event));
+	addPaintListener(this::onPaint);
 
 	addTraverseListener(event -> {
 		if (event.detail == SWT.TRAVERSE_MNEMONIC) {
@@ -126,7 +126,7 @@ public CLabel(Composite parent, int style) {
 		}
 	});
 
-	addListener(SWT.Dispose, event -> onDispose(event));
+	addListener(SWT.Dispose, this::onDispose);
 
 	initAccessible();
 
diff --git a/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/ControlEditor.java b/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/ControlEditor.java
index d243d53f64..bf219b809f 100644
--- a/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/ControlEditor.java
+++ b/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/ControlEditor.java
@@ -128,7 +128,7 @@ public ControlEditor (Composite parent) {
 		parent.addListener (event, controlListener);
 	}
 
-	scrollbarListener = e -> scroll (e);
+	scrollbarListener = this::scroll;
 	ScrollBar hBar = parent.getHorizontalBar ();
 	if (hBar != null) hBar.addListener (SWT.Selection, scrollbarListener);
 	ScrollBar vBar = parent.getVerticalBar ();
diff --git a/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/MouseNavigator.java b/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/MouseNavigator.java
index 764ae80728..06dd7c5671 100644
--- a/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/MouseNavigator.java
+++ b/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/MouseNavigator.java
@@ -46,27 +46,27 @@ class MouseNavigator {
 		}
 		parent = styledText;
 
-		mouseDownListener = (event) -> {
+		mouseDownListener = event -> {
 			onMouseDown(event);
 		};
 		parent.addListener(SWT.MouseDown, mouseDownListener);
 
-		mouseUpListener = (event) -> {
+		mouseUpListener = event -> {
 			onMouseUp(event);
 		};
 		parent.addListener(SWT.MouseUp, mouseUpListener);
 
-		paintListener = (event) -> {
+		paintListener = event -> {
 			onPaint(event);
 		};
 		parent.addListener(SWT.Paint, paintListener);
 
-		mouseMoveListener = (event) -> {
+		mouseMoveListener = event -> {
 			onMouseMove(event);
 		};
 		parent.addListener(SWT.MouseMove, mouseMoveListener);
 
-		focusOutListener = (event) -> {
+		focusOutListener = event -> {
 			onFocusOut(event);
 		};
 		parent.addListener(SWT.FocusOut, focusOutListener);
diff --git a/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/SashForm.java b/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/SashForm.java
index 9faf855a92..a556002ea3 100644
--- a/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/SashForm.java
+++ b/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/SashForm.java
@@ -86,7 +86,7 @@ public SashForm(Composite parent, int style) {
 	sashStyle = ((style & SWT.VERTICAL) != 0) ? SWT.HORIZONTAL : SWT.VERTICAL;
 	if ((style & SWT.BORDER) != 0) sashStyle |= SWT.BORDER;
 	if ((style & SWT.SMOOTH) != 0) sashStyle |= SWT.SMOOTH;
-	sashListener = e -> onDragSash(e);
+	sashListener = this::onDragSash;
 }
 static int checkStyle (int style) {
 	int mask = SWT.BORDER | SWT.LEFT_TO_RIGHT | SWT.RIGHT_TO_LEFT;
diff --git a/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/StyledText.java b/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/StyledText.java
index d2485241f6..6bd08bb92d 100644
--- a/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/StyledText.java
+++ b/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/StyledText.java
@@ -5827,10 +5827,10 @@ void installListeners() {
 		}
 	});
 	if (verticalBar != null) {
-		verticalBar.addListener(SWT.Selection, event -> handleVerticalScroll(event));
+		verticalBar.addListener(SWT.Selection, this::handleVerticalScroll);
 	}
 	if (horizontalBar != null) {
-		horizontalBar.addListener(SWT.Selection, event -> handleHorizontalScroll(event));
+		horizontalBar.addListener(SWT.Selection, this::handleHorizontalScroll);
 	}
 }
 void internalRedrawRange(int start, int length) {
diff --git a/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/TableEditor.java b/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/TableEditor.java
index 7692fbd466..574dd987a5 100644
--- a/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/TableEditor.java
+++ b/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/TableEditor.java
@@ -103,7 +103,7 @@ public TableEditor (Table table) {
 			layout ();
 		}
 	};
-	timer = () -> layout ();
+	timer = this::layout;
 
 	// To be consistent with older versions of SWT, grabVertical defaults to true
 	grabVertical = true;
diff --git a/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/TreeEditor.java b/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/TreeEditor.java
index 5ec8f9503a..0f91ee3600 100644
--- a/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/TreeEditor.java
+++ b/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/TreeEditor.java
@@ -103,7 +103,7 @@ public TreeEditor (Tree tree) {
 			layout();
 		}
 	};
-	timer = () -> layout ();
+	timer = this::layout;
 	treeListener = new TreeListener () {
 		final Runnable runnable = () -> {
 			if (editor == null || editor.isDisposed()) return;