Bug 409587 - "input[type="file"] cropped when narrow width specified" [p=kinetik@flim.org (Matthew Gregan) r+sr=roc a1.9=beltzner]

layout/forms/nsFileControlFrame.cpp

@@ -542,8 +542,10 @@ nsFileControlFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
 
   tempList.BorderBackground()->DeleteAll();
 
-  rv = OverflowClip(aBuilder, tempList, aLists,
-                    nsRect(aBuilder->ToReferenceFrame(this), GetSize()));
+  // Clip height only
+  nsRect clipRect(aBuilder->ToReferenceFrame(this), GetSize());
+  clipRect.width = GetOverflowRect().XMost();
+  rv = OverflowClip(aBuilder, tempList, aLists, clipRect);
   NS_ENSURE_SUCCESS(rv, rv);
 
   // Disabled file controls don't pass mouse events to their children, so we

layout/reftests/forms/input-file-width-clip-1.html

@@ -0,0 +1,3 @@
+<div><input type="file" style="width: 5px"></div>
+<div><input type="file" style="width: 500px"></div>
+

layout/reftests/forms/input-file-width-clip-ref.html

@@ -0,0 +1,3 @@
+<div style="width: 5px;"><input type="file"></div>
+<div style="width: 500px;"><input type="file"></div>
+

layout/reftests/forms/reftest.list

@@ -0,0 +1 @@
+== input-file-width-clip-1.html input-file-width-clip-ref.html # bug 409587

layout/reftests/reftest.list

@@ -84,3 +84,6 @@ include line-breaking/reftest.list
 # percent-overflow-sizing
 include percent-overflow-sizing/reftest.list
 
+# forms
+include forms/reftest.list
+