Bug 496639 - GTK: dialog on top of full-screen shell is not shown

Any new shell windows that are set to modal will spawn above the
full-screen window when setVisible() is called.

Change-Id: I95cc1226decd4e51f994c12a08a2c7dca504baed
Signed-off-by: Ian Pun <ipun@redhat.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/Shell.java b/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/Shell.java
index c0a2f21817..823de0a1b0 100644
--- a/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/Shell.java
+++ b/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/Shell.java
@@ -2346,6 +2346,14 @@ public void setVisible (boolean visible) {
 			display.clearModal (this);
 			OS.gtk_window_set_modal (shellHandle, false);
 		}
+		/*
+		 * When in full-screen mode, the OS will always consider it to be the top of the display stack unless it is a dialog.
+		 * This fix will give modal windows dialog-type priority if the parent is in full-screen, allowing it to be popped
+		 * up in front of the full-screen window.
+		 */
+		if (parent!=null && parent.getShell().getFullScreen()) {
+			OS.gtk_window_set_type_hint(shellHandle, OS.GDK_WINDOW_TYPE_HINT_DIALOG);
+		}
 	} else {
 		updateModal ();
 	}