From 3b1bbcedf82d2eee1de0322878de534d602f5356 Mon Sep 17 00:00:00 2001
From: "pinkerton%netscape.com" <pinkerton%netscape.com>
Date: Wed, 22 Mar 2000 02:55:12 +0000
Subject: [PATCH] added a metric for determining if xul popups should be
 allowed to display over the menubar/taskbar. r=hyatt.

---
 widget/public/nsILookAndFeel.h       | 3 ++-
 widget/src/gtk/nsLookAndFeel.cpp     | 4 ++++
 widget/src/mac/nsLookAndFeel.cpp     | 4 ++++
 widget/src/windows/nsLookAndFeel.cpp | 5 +++++
 4 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/widget/public/nsILookAndFeel.h b/widget/public/nsILookAndFeel.h
index 0c67550809c5..1f33b258f69d 100644
--- a/widget/public/nsILookAndFeel.h
+++ b/widget/public/nsILookAndFeel.h
@@ -110,7 +110,8 @@ public:
 
     eMetric_CaretBlinkTime,                               // default, may be overriden by OS
     eMetric_CaretWidthTwips,
-    eMetric_SubmenuDelay
+    eMetric_SubmenuDelay,
+    eMetric_MenusCanOverlapOSBar                          // can popups overlap menu/task bar?
   } nsMetricID;
 
   typedef enum {
diff --git a/widget/src/gtk/nsLookAndFeel.cpp b/widget/src/gtk/nsLookAndFeel.cpp
index 304e5adca53a..453105341bbf 100644
--- a/widget/src/gtk/nsLookAndFeel.cpp
+++ b/widget/src/gtk/nsLookAndFeel.cpp
@@ -264,6 +264,10 @@ NS_IMETHODIMP nsLookAndFeel::GetMetric(const nsMetricID aID, PRInt32 & aMetric)
   case eMetric_SubmenuDelay:
     aMetric = 200;
     break;
+  case eMetric_MenusCanOverlapOSBar:
+    // we want XUL popups to be able to overlap the task bar.
+    aMetric = 1;
+    break;
   default:
     aMetric = 0;
     res     = NS_ERROR_FAILURE;
diff --git a/widget/src/mac/nsLookAndFeel.cpp b/widget/src/mac/nsLookAndFeel.cpp
index 44824c2015bf..ee37aa244f77 100644
--- a/widget/src/mac/nsLookAndFeel.cpp
+++ b/widget/src/mac/nsLookAndFeel.cpp
@@ -250,6 +250,10 @@ NS_IMETHODIMP nsLookAndFeel::GetMetric(const nsMetricID aID, PRInt32 & aMetric)
     case eMetric_SubmenuDelay:
         aMetric = 200;
         break;
+    case eMetric_MenusCanOverlapOSBar:
+        // xul popups are not allowed to overlap the menubar.
+        aMetric = 0;
+        break;
     default:
         aMetric = 0;
         res = NS_ERROR_FAILURE;
diff --git a/widget/src/windows/nsLookAndFeel.cpp b/widget/src/windows/nsLookAndFeel.cpp
index 485d4a48c369..759463d16884 100644
--- a/widget/src/windows/nsLookAndFeel.cpp
+++ b/widget/src/windows/nsLookAndFeel.cpp
@@ -275,6 +275,11 @@ NS_IMETHODIMP nsLookAndFeel::GetMetric(const nsMetricID aID, PRInt32 & aMetric)
         aMetric = sSubmenuDelay;
         }
         break;
+    case eMetric_MenusCanOverlapOSBar:
+        // we want XUL popups to be able to overlap the task bar.
+        aMetric = 1;
+        break;
+
     default:
         aMetric = -1;
         res = NS_ERROR_FAILURE;