Bug 144765 Layout on Labels generates a size that cuts off characters

1 files changed, 20 insertions, 0 deletions

diff --git a/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/Label.java b/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/Label.java
index a97f721953..17630136cf 100644
--- a/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/Label.java
+++ b/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/Label.java
@@ -135,6 +135,26 @@ public Point computeSize (int wHint, int hHint, boolean changed) {
 	if (fixWrap) {
 		OS.gtk_widget_set_size_request (labelHandle, labelWidth [0], labelHeight [0]);
 	}
+	if (hHint == SWT.DEFAULT && labelHandle != 0) {
+		int /*long*/ layout = OS.gtk_label_get_layout (labelHandle);
+		int /*long*/ context = OS.pango_layout_get_context (layout);
+		int /*long*/ lang = OS.pango_context_get_language (context);
+		int /*long*/ font = getFontDescription ();
+		int /*long*/ metrics = OS.pango_context_get_metrics (context, font, lang);
+		int ascent = OS.PANGO_PIXELS (OS.pango_font_metrics_get_ascent (metrics));
+		int descent = OS.PANGO_PIXELS (OS.pango_font_metrics_get_descent (metrics));
+		OS.pango_font_metrics_unref (metrics);
+		int fontHeight = ascent + descent;
+		int [] buffer = new int [1];
+		OS.g_object_get (labelHandle, OS.ypad, buffer, 0);
+		fontHeight += 2 * buffer [0];
+		if (frameHandle != 0) {
+			int /*long*/ style = OS.gtk_widget_get_style (frameHandle);
+			fontHeight += 2 * OS.gtk_style_get_ythickness (style);
+			fontHeight += 2 * OS.gtk_container_get_border_width (frameHandle);
+		}
+		size.y = Math.max (size.y, fontHeight);
+	}
 	return size;
 }