[Bug 1305016] Re: Windows have only borders if __GTK_FRAME_EXTENTS is not supported by WM

[Leo Iannacone]

** Summary changed:

- Windows have now decoration also if __GTK_FRAME_EXTENTS are unsupported by WM 
+ Windows have only borders if __GTK_FRAME_EXTENTS is not supported by WM

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https://bugs.launchpad.net/bugs/1305016

Title:
  Windows have only borders if __GTK_FRAME_EXTENTS is not supported by
  WM

Status in “gtk+3.0” package in Ubuntu:
  Confirmed

Bug description:
  gtkwindow >= 3.10 has new features about client side  decoration (csd)
  and custom titlebar.

   The problem with those is that when you're going to assign a 
   custom titlebar to the GTK window, gtk itself checks if 
   Window Manager supports __GTK_FRAME_EXTENTS (which permits to have csd) 
   and then does the follow:
   
  if csd_supported:
     make window with no decoration
   if csd_not_suppoted:
     make window only with WM borders
   
   This is wrong. If csd is not supported you should still 
   decorate window according with WM choices.
   
   This simple patch handle with this, unset custom_title 
   does exactly this behavior and permits to WMs 
   (which have no support for csd) to resize and move windows correctly.

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