Resize item height when a tree has a MeasureItem hook

akoch-yatta · akoch-yatta · commit ff42d3a49061 · 2024-03-19T14:44:08.000+01:00
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Tree.java b/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Tree.java
@@ -8287,6 +8287,11 @@ private static void handleDPIChange(Widget widget, int newZoom, float scalingFac
 		tree.imageList = null;
 	}
 
+	if (tree.hooks(SWT.MeasureItem)) {
+		// with the measure item hook, the height must be programmatically recalculated
+		var itemHeight = tree.getItemHeightInPixels();
+		tree.setItemHeight(Math.round(itemHeight * scalingFactor));
+	}
 	for (TreeColumn treeColumn : tree.getColumns()) {
 		DPIZoomChangeRegistry.applyChange(treeColumn, newZoom, scalingFactor);
 	}

Original file line number	Diff line number	Diff line change
`@@ -8287,6 +8287,11 @@ private static void handleDPIChange(Widget widget, int newZoom, float scalingFac`
`8287`	`8287`	`tree.imageList = null;`
`8288`	`8288`	`}`
`8289`	`8289`
	`8290`	`+ if (tree.hooks(SWT.MeasureItem)) {`
	`8291`	`+ // with the measure item hook, the height must be programmatically recalculated`
	`8292`	`+ var itemHeight = tree.getItemHeightInPixels();`
	`8293`	`+ tree.setItemHeight(Math.round(itemHeight * scalingFactor));`
	`8294`	`+ }`
`8290`	`8295`	`for (TreeColumn treeColumn : tree.getColumns()) {`
`8291`	`8296`	`DPIZoomChangeRegistry.applyChange(treeColumn, newZoom, scalingFactor);`
`8292`	`8297`	`}`