#141676

r=pedemonte, sr=blizzard
OS/2 only - don't add the hidden window to the task list

widget/src/os2/nsFrameWindow.cpp

@@ -44,6 +44,7 @@ extern PRBool              gRollupConsumeRollupEvent;
 extern PRBool gJustGotDeactivate;
 extern HWND   gHwndBeingDestroyed;
 
+BOOL nsFrameWindow::fHiddenWindowCreated = FALSE;
 
 nsFrameWindow::nsFrameWindow() : nsWindow()
 {
@@ -110,6 +111,13 @@ void nsFrameWindow::RealDoCreate( HWND hwndP, nsWindow *aParent,
 
      fcd.flCreateFlags = GetFCFlags();
 
+   if (!fHiddenWindowCreated) {
+      if ((aRect.x == 0) && (aRect.y == 0) && (aRect.height == 100) && (aRect.width == 100)) {
+         fcd.flCreateFlags &= ~FCF_TASKLIST;
+         fHiddenWindowCreated = TRUE;
+      }
+   }
+
    // Assume frames are toplevel.  Breaks if anyone tries to do MDI, which
    // is an extra bonus feature :-)
    mFrameWnd = WinCreateWindow( HWND_DESKTOP,

widget/src/os2/nsFrameWindow.h

@@ -77,6 +77,7 @@ class nsFrameWindow : public nsWindow
 
    friend MRESULT EXPENTRY fnwpFrame( HWND, ULONG, MPARAM, MPARAM);
    virtual ULONG WindowStyle();
+   static BOOL fHiddenWindowCreated;
 };
 
 #endif