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xemu/ui
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Philippe Mathieu-Daudé a1e8853ed2 ui/console: Display the 'none' backend in '-display help' 
Commit c388f408b5 added the possibility to list the display
backends using '-display help'. Since the 'none' backend is
is not implemented as a DisplayChangeListenerOps, it is not
registered to the dpys[] array with qemu_display_register(),
and is not listed in the help output.

This might be confusing, as we list it in the man page:

  -display type
      Select type of display to use. This option is a replacement for
      the old style -sdl/-curses/... options. Valid values for type are

      none
          Do not display video output. The guest will still see an
          emulated graphics card, but its output will not be displayed
          to the QEMU user. This option differs from the -nographic
          option in that it only affects what is done with video
          output; -nographic also changes the destination of the serial
          and parallel port data.

Fix by manually listing the special 'none' backend in the help.

Suggested-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 20200120192947.31613-1-philmd@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2020-01-21 07:29:40 +01:00
..
icons ui: install logo icons to $prefix/share/icons 2019-01-21 09:43:13 +01:00
keycodemapdb@6b3d716e2b ui: update keycodemapdb to get py3 fixes 2018-02-05 19:53:55 -02:00
shader opengl: add flipping vertex shader 2017-10-17 10:25:42 +02:00
cocoa.m ui: Fix hanging up Cocoa display on macOS 10.15 (Catalina) 2019-10-18 10:35:31 +02:00
console-gl.c Include qemu-common.h exactly where needed 2019-06-12 13:20:20 +02:00
console.c ui/console: Display the 'none' backend in '-display help' 2020-01-21 07:29:40 +01:00
curses_keys.h curses: support wide input 2019-03-11 08:39:02 +01:00
curses.c curses: correctly pass the color pair to setcchar() 2019-10-18 10:39:12 +02:00
cursor_hidden.xpm
cursor_left_ptr.xpm
cursor.c Include qemu-common.h exactly where needed 2019-06-12 13:20:20 +02:00
egl-context.c Include qemu-common.h exactly where needed 2019-06-12 13:20:20 +02:00
egl-headless.c ui/egl: fix framebuffer reads 2019-09-17 13:42:02 +02:00
egl-helpers.c ui/egl: fix framebuffer reads 2019-09-17 13:42:02 +02:00
gtk-egl.c Include qemu-common.h exactly where needed 2019-06-12 13:20:20 +02:00
gtk-gl-area.c Include qemu-common.h exactly where needed 2019-06-12 13:20:20 +02:00
gtk.c ui/gtk: Get display refresh rate with GDK version 3.22 or later 2020-01-16 14:03:45 +00:00
input-barrier.c ui: fix keymap file search in input-barrier object 2019-10-18 10:40:46 +02:00
input-barrier.h ui: add an embedded Barrier client 2019-09-17 13:43:22 +02:00
input-keymap.c Clean up inclusion of sysemu/sysemu.h 2019-08-16 13:31:53 +02:00
input-legacy.c Clean up inclusion of sysemu/sysemu.h 2019-08-16 13:31:53 +02:00
input-linux.c input-linux: add shift+shift as a grab toggle 2019-08-21 12:25:46 +02:00
input.c sysemu: Split sysemu/runstate.h off sysemu/sysemu.h 2019-08-16 13:37:36 +02:00
kbd-state.c Include qemu/queue.h slightly less 2019-08-16 13:31:52 +02:00
keymaps.c Clean up inclusion of sysemu/sysemu.h 2019-08-16 13:31:53 +02:00
keymaps.h Include qemu-common.h exactly where needed 2019-06-12 13:20:20 +02:00
Makefile.objs ui: add an embedded Barrier client 2019-09-17 13:43:22 +02:00
qemu-pixman.c Include qemu-common.h exactly where needed 2019-06-12 13:20:20 +02:00
qemu-x509.h
qemu.desktop ui: fix icon display for GTK frontend under GNOME Shell with Wayland 2019-01-21 09:43:13 +01:00
sdl2-2d.c Clean up inclusion of sysemu/sysemu.h 2019-08-16 13:31:53 +02:00
sdl2-gl.c Clean up inclusion of sysemu/sysemu.h 2019-08-16 13:31:53 +02:00
sdl2-input.c Clean up inclusion of sysemu/sysemu.h 2019-08-16 13:31:53 +02:00
sdl2.c glib: use portable g_setenv() 2019-12-17 09:05:23 +01:00
shader.c Include qemu-common.h exactly where needed 2019-06-12 13:20:20 +02:00
spice-app.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
spice-core.c sysemu: Split sysemu/runstate.h off sysemu/sysemu.h 2019-08-16 13:37:36 +02:00
spice-display.c Clean up inclusion of sysemu/sysemu.h 2019-08-16 13:31:53 +02:00
spice-input.c Include qemu-common.h exactly where needed 2019-06-12 13:20:20 +02:00
trace-events ppm-save: pass opened fd 2020-01-02 13:54:57 +04:00
vgafont.h
vnc_keysym.h ui: add next and prior keysyms 2017-07-27 14:23:09 +02:00
vnc-auth-sasl.c authz: delete existing ACL implementation 2019-02-26 15:32:19 +00:00
vnc-auth-sasl.h Include qemu/main-loop.h less 2019-08-16 13:31:52 +02:00
vnc-auth-vencrypt.c authz: delete existing ACL implementation 2019-02-26 15:32:19 +00:00
vnc-auth-vencrypt.h Clean up ill-advised or unusual header guards 2016-07-12 16:20:46 +02:00
vnc-enc-hextile-template.h ui: vnc: finish removing TABs 2019-02-05 16:50:18 +01:00
vnc-enc-hextile.c ui: Clean up includes 2016-02-04 17:01:04 +00:00
vnc-enc-tight.c vnc: fix memory leak when vnc disconnect 2019-09-17 13:45:10 +02:00
vnc-enc-tight.h Clean up header guards that don't match their file name 2016-07-12 16:19:16 +02:00
vnc-enc-zlib.c vnc: fix memory leak when vnc disconnect 2019-09-17 13:45:10 +02:00
vnc-enc-zrle.c vnc: prioritize ZRLE compression over ZLIB 2020-01-21 07:29:03 +01:00
vnc-enc-zrle.h Clean up header guards that don't match their file name 2016-07-12 16:19:16 +02:00
vnc-enc-zrle.inc.c vnc: fix memory leak when vnc disconnect 2019-09-17 13:45:10 +02:00
vnc-enc-zywrle-template.c avoid TABs in files that only contain a few 2019-01-11 15:46:56 +01:00
vnc-enc-zywrle.h ui: vnc: finish removing TABs 2019-02-05 16:50:18 +01:00
vnc-jobs.c vnc: fix memleak of the "vnc-worker-output" name 2018-08-24 08:40:10 +02:00
vnc-jobs.h ui/vnc: Drop unused vnc_has_job() and vnc_jobs_clear() 2017-02-08 14:59:36 +01:00
vnc-palette.c all: Remove unnecessary glib.h includes 2016-06-07 18:19:24 +03:00
vnc-palette.h Include qapi/qmp/qlist.h exactly where needed 2018-02-09 13:52:15 +01:00
vnc-stubs.c vnc: add qapi/error.h include to stubs 2018-02-16 12:23:21 +01:00
vnc-ws.c authz: delete existing ACL implementation 2019-02-26 15:32:19 +00:00
vnc-ws.h Clean up ill-advised or unusual header guards 2016-07-12 16:20:46 +02:00
vnc.c vnc: prioritize ZRLE compression over ZLIB 2020-01-21 07:29:03 +01:00
vnc.h vnc: drop Error pointer indirection in vnc_client_io_error 2019-12-18 08:36:16 +01:00
x_keymap.c ui: fix keymap detection under Xwayland 2018-04-10 11:21:54 +02:00
x_keymap.h ui: convert GTK and SDL1 frontends to keycodemapdb 2018-01-25 15:02:00 +01:00