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Enable dropping files onto labels containing ImageView in the workbench #3102

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Enable dropping files onto labels containing ImageView in the workbench #3102

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9 changes: 8 additions & 1 deletion ....workbench.renderers.swt/src/org/eclipse/e4/ui/workbench/renderers/swt/StackRenderer.java
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
/*******************************************************************************
* Copyright (c) 2008, 2020 IBM Corporation and others.
* Copyright (c) 2008, 2025 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
Expand Down Expand Up @@ -87,6 +87,8 @@
import org.eclipse.swt.custom.CTabFolder2Listener;
import org.eclipse.swt.custom.CTabFolderEvent;
import org.eclipse.swt.custom.CTabItem;
import org.eclipse.swt.dnd.DND;
import org.eclipse.swt.dnd.DropTarget;
import org.eclipse.swt.events.ControlEvent;
import org.eclipse.swt.events.ControlListener;
import org.eclipse.swt.events.MouseAdapter;
Expand Down Expand Up @@ -719,6 +721,11 @@ public Object createWidget(MUIElement element, Object parent) {
if (PartStackUtil.isEditorStack(element)) {
createOnboardingControls(tabFolder);
initializeOnboardingInformationInEditorStack(tabFolder);
int drop = DND.DROP_COPY | DND.DROP_MOVE | DND.DROP_LINK;
// Bug: eclipse-platform/eclipse.platform.swt/issues/649
Composite dropZone = new Composite(tabFolder, SWT.NONE);// additional Composite/child to support dropping
new Label(dropZone, SWT.NONE);
new DropTarget(dropZone, drop);
}
tabFolder.setMRUVisible(getMRUValue());

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4 changes: 2 additions & 2 deletions ....eclipse.e4.ui.tests/src/org/eclipse/e4/ui/workbench/renderers/swt/StackRendererTest.java
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Expand Up @@ -417,7 +417,7 @@ public void testOnboardingRenderedWithCorrectSizeForEditorStack() {
Composite uiContainer = (Composite) ((StackRenderer) partStack.getRenderer()).getUIContainer(partStack);
CTabFolder tabFolder = (CTabFolder) ((Composite) uiContainer.getChildren()[0]).getChildren()[0];
assertNotNull(tabFolder.getChildren());
assertEquals(3, tabFolder.getChildren().length);
assertEquals(4, tabFolder.getChildren().length);

Composite outerOnboardingComposite = (Composite) tabFolder.getChildren()[2];
Rectangle expected = new Rectangle(StackRenderer.ONBOARDING_SPACING, StackRenderer.ONBOARDING_TOP_SPACING,
Expand Down Expand Up @@ -526,7 +526,7 @@ public void testOnboardingIsHiddenWhenEditorOpened() {
Composite uiContainer = (Composite) ((StackRenderer) partStack.getRenderer()).getUIContainer(partStack);
CTabFolder tabFolder = (CTabFolder) ((Composite) uiContainer.getChildren()[0]).getChildren()[0];
assertNotNull(tabFolder.getChildren());
assertEquals(3, tabFolder.getChildren().length);
assertEquals(4, tabFolder.getChildren().length);

Composite outerOnboardingComposite = (Composite) tabFolder.getChildren()[2];
Rectangle expected = new Rectangle(StackRenderer.ONBOARDING_SPACING, StackRenderer.ONBOARDING_TOP_SPACING,
Expand Down
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