Can resize, can't pan [Was: intel/xrandr1.2: cannot resize for larger external monitor]

Keith Packard keithp at
Wed Apr 18 19:46:59 PDT 2007

On Thu, 2007-04-19 at 12:13 +1000, Drew Parsons wrote:

> What I'm still not getting is Panning.  The full 1900x1200 now appears
> on the external monitor while the laptop LVDS only shows the upper
> 1024x768 corner.  I understood that moving the mouse against the edge of
> the smaller screen is suppose to cause panning within the extent of the
> full 1900x1200, but that isn't happening.  The LVDS edges are fixed.

Yup. Panning is no longer supported automatically by the server. It's
entirely possible to support panning by an external application as the
position of the CRTC within the screen is under software control.

Aaron Platner suggested that we add a 'panning rectangle' to the RandR
extension to support panning the display. I'm not convinced as panning
policy should be controlled by the window manager which knows about
keyboard focus and the like.

keith.packard at
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