Add setAutoscaleDisabled API to provide a better means to disabling autoscaling at widget level

binaries/org.eclipse.swt.win32.win32.x86_64/META-INF/MANIFEST.MF

@@ -3,7 +3,7 @@ Fragment-Host: org.eclipse.swt;bundle-version="[3.128.0,4.0.0)"
 Bundle-Name: %fragmentName
 Bundle-Vendor: %providerName
 Bundle-SymbolicName: org.eclipse.swt.win32.win32.x86_64; singleton:=true
-Bundle-Version: 3.133.0.qualifier
+Bundle-Version: 3.132.0.qualifier
 Bundle-ManifestVersion: 2
 Bundle-Localization: fragment
 Export-Package: 

bundles/org.eclipse.swt/Eclipse SWT/cocoa/org/eclipse/swt/widgets/Control.java

@@ -3527,6 +3527,13 @@ NSTouch findTouchWithId(NSArray touches, NSObject identity) {
 	return null;
 }
 
+/**
+ * @since 3.132
+ */
+public boolean setAutoscaleDisabled(boolean autoscaleDisabled) {
+	return false;
+}
+
 void setBackground () {
 	if (!drawsBackground()) return;
 	Control control = findBackgroundControl ();

bundles/org.eclipse.swt/Eclipse SWT/cocoa/org/eclipse/swt/widgets/Shell.java

@@ -18,7 +18,9 @@
 import org.eclipse.swt.*;
 import org.eclipse.swt.events.*;
 import org.eclipse.swt.graphics.*;
+import org.eclipse.swt.internal.*;
 import org.eclipse.swt.internal.cocoa.*;
+import org.eclipse.swt.internal.win32.*;
 
 /**
  * Instances of this class represent the "windows"
@@ -1976,6 +1978,10 @@ public void setModified (boolean modified) {
 	window.setDocumentEdited (modified);
 }
 
+public int getNativeZoom() {
+	return DPIUtil.getNativeDeviceZoom();
+}
+
 /**
  * Sets the shape of the shell to the region specified
  * by the argument.  When the argument is null, the

bundles/org.eclipse.swt/Eclipse SWT/common/org/eclipse/swt/graphics/AutoscalingMode.java

@@ -0,0 +1,7 @@
+package org.eclipse.swt.graphics;
+
+public enum AutoscalingMode {
+	ENABLED,
+	DISABLED,
+	DISABLED_INHERITED
+}

bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/Control.java

@@ -5143,6 +5143,13 @@ void gtk_label_set_align(long label, float xAlign, float yAlign) {
 	GTK.gtk_label_set_yalign(label, yAlign);
 }
 
+/**
+ * @since 3.132
+ */
+public boolean setAutoscaleDisabled(boolean autoscaleDisabled) {
+	return false;
+}
+
 void setBackground () {
 	if ((state & BACKGROUND) == 0 && backgroundImage == null) {
 		if ((state & PARENT_BACKGROUND) != 0) {

bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/Shell.java

@@ -2796,6 +2796,11 @@ public void setModified (boolean modified) {
 	this.modified = modified;
 }
 
+
+public int getNativeZoom() {
+	return DPIUtil.getNativeDeviceZoom();
+}
+
 /**
  * Sets the shape of the shell to the region specified
  * by the argument.  When the argument is null, the

bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Control.java

@@ -77,7 +77,7 @@ public abstract class Control extends Widget implements Drawable {
 	Region region;
 	Font font;
 	int drawCount, foreground, background, backgroundAlpha = 255;
-	boolean autoScaleDisabled = false;
+	AutoscalingMode autoscalingMode = AutoscalingMode.ENABLED;
 
 	private static final String DATA_SHELL_ZOOM = "SHELL_ZOOM";
 
@@ -123,11 +123,11 @@ public abstract class Control extends Widget implements Drawable {
 public Control (Composite parent, int style) {
 	super (parent, style);
 	this.parent = parent;
-	Boolean parentPropagateAutoscaleDisabled = (Boolean) parent.getData(PROPOGATE_AUTOSCALE_DISABLED);
-	if (parentPropagateAutoscaleDisabled == null || parentPropagateAutoscaleDisabled) {
-		this.autoScaleDisabled = parent.autoScaleDisabled;
+	AutoscalingMode parentAutoscaleMode = parent.autoscalingMode;
+	if (parentAutoscaleMode == AutoscalingMode.DISABLED_INHERITED) {
+		this.autoscalingMode = parent.autoscalingMode;
 	}
-	if (!autoScaleDisabled) {
+	if (isAutoScalable()) {
 		this.nativeZoom = getShellZoom();
 	}
 	createWidget ();
@@ -1285,11 +1285,14 @@ public Object getData(String key) {
 @Override
 public void setData(String key, Object value) {
 	super.setData(key, value);
-	if (DATA_AUTOSCALE_DISABLED.equals(key)) {
-		autoScaleDisabled = Boolean.parseBoolean(value.toString());
+	if (DATA_AUTOSCALE_DISABLED.equals(key) || PROPOGATE_AUTOSCALE_DISABLED.equals(key)) {
+		boolean autoScaleDisabled = Boolean.parseBoolean(getData(DATA_AUTOSCALE_DISABLED).toString());
+		boolean propagateAutoscaleDisabled = Boolean.parseBoolean(getData(PROPOGATE_AUTOSCALE_DISABLED).toString());
 		if (autoScaleDisabled) {
+			autoscalingMode = propagateAutoscaleDisabled ? AutoscalingMode.DISABLED_INHERITED : AutoscalingMode.DISABLED;
 			this.nativeZoom = 100;
 		} else {
+			autoscalingMode = AutoscalingMode.ENABLED;
 			this.nativeZoom = getShellZoom();
 		}
 	}
@@ -1873,6 +1876,11 @@ boolean isActive () {
 	return shell.getEnabled ();
 }
 
+@Override
+public boolean isAutoScalable() {
+	return autoscalingMode == AutoscalingMode.ENABLED;
+}
+
 /**
  * Returns <code>true</code> if the receiver is enabled and all
  * ancestors up to and including the receiver's nearest ancestor
@@ -3352,6 +3360,19 @@ private void fitInParentBounds(Rectangle boundsInPixels, int zoom) {
 	}
 }
 
+/**
+ * @since 3.132
+ */
+public boolean setAutoscalingMode(AutoscalingMode autoscalingMode) {
+	this.autoscalingMode = autoscalingMode;
+	if (!isAutoScalable()) {
+		this.nativeZoom = 100;
+	} else {
+		this.nativeZoom = getShellZoom();
+	}
+	return true;
+}
+
 void setBoundsInPixels (Rectangle rect) {
 	setBoundsInPixels (rect.x, rect.y, rect.width, rect.height);
 }
@@ -4865,15 +4886,15 @@ public boolean setParent (Composite parent) {
 @Override
 GC createNewGC(long hDC, GCData data) {
 	data.nativeZoom = getNativeZoom();
-	if (autoScaleDisabled && data.font != null) {
+	if (!isAutoScalable() && data.font != null) {
 		data.font = SWTFontProvider.getFont(display, data.font.getFontData()[0], 100);
 	}
 	return GC.win32_new(hDC, data);
 }
 
 @Override
 int getZoom() {
-	if (autoScaleDisabled) {
+	if (!isAutoScalable()) {
 		return 100;
 	}
 	return super.getZoom();
@@ -4887,7 +4908,7 @@ int getShellZoom() {
 }
 
 private int computeGetBoundsZoom() {
-	if (parent != null && !autoScaleDisabled) {
+	if (parent != null && isAutoScalable()) {
 		return parent.getZoom();
 	}
 	return getZoom();
@@ -6035,7 +6056,7 @@ void sendZoomChangedEvent(Event event, Shell shell) {
 @Override
 void handleDPIChange(Event event, float scalingFactor) {
 	super.handleDPIChange(event, scalingFactor);
-	if (this.autoScaleDisabled) {
+	if (!this.isAutoScalable()) {
 		this.nativeZoom = 100;
 	}
 	resizeFont(this, getNativeZoom());

bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Shell.java

@@ -1233,6 +1233,11 @@ public ToolBar getToolBar() {
 	return null;
 }
 
+@Override
+public int getNativeZoom() {
+	return DPIUtil.mapDPIToZoom(OS.GetDpiForWindow(handle));
+}
+
 @Override
 Composite findDeferredControl () {
 	return layoutCount > 0 ? this : null;