This patch seires is for adding some useful features for the guest os with
multi-displays. First patch is to make all of guest displays visible
when guest os is launched using "detach". Second patch is for providing
a method to assign each guest display to specific physical monitor,
which would be useful if someone wants to directly full-screen individual
guest scanouts to host's physical displays.

Changes in v3:

* ui/gtk: a new array param monitor to specify the target

  - Revised commit message
  - Rewrote desription of the new parameter (Markus Armbruster)
  - Replaced unnecessary 'for' loop with 'if' condition
    (Markus Armbruster)

Changes in v2:

* ui/gtk: detach VCS for additional guest displays

  - check if the type of VC is GD_VC_GFX before qemu_console_is_graphic
    (Gerd Hoffman)
  - vc[0] is always primary guest display so we won't need n_gfx_vcs
    (Gerd Hoffmann)
  - making sure detached window's size same as original surface size
    (Daniel P. Berrangé)

Dongwon Kim (2):
  ui/gtk: detach VCS for additional guest displays (v3)
  ui/gtk: a new array param monitor to specify the target displays (v3)

 qapi/ui.json    |  7 ++++++-
 qemu-options.hx |  2 +-
 ui/gtk.c        | 43 +++++++++++++++++++++++++++++++++++++++++--
 3 files changed, 48 insertions(+), 4 deletions(-)

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2.30.2