configure: don't warn on old sdl/gtk versions if disabled.

keymap + gtk fixes.
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Merge remote-tracking branch 'remotes/kraxel/tags/ui-20180410-pull-request' into staging

configure: don't warn on old sdl/gtk versions if disabled.
keymap + gtk fixes.

# gpg: Signature made Tue 10 Apr 2018 10:23:37 BST
# gpg:                using RSA key 4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/ui-20180410-pull-request:
  configure: don't warn SDL abi if disabled
  configure: don't warn GTK if disabled
  gtk: drop pointless code from gd_window_close
  ui: fix keymap detection under Xwayland

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

configure

@@ -2540,6 +2540,7 @@ fi
 ##########################################
 # GTK probe
 
+if test "$gtk" != "no"; then
     if test "$gtkabi" = ""; then
         # The GTK ABI was not specified explicitly, so try whether 3.0 is available.
         # Use 2.0 as a fallback if that is available.
@@ -2551,8 +2552,6 @@ if test "$gtkabi" = ""; then
             gtkabi=3.0
         fi
     fi
-
-if test "$gtk" != "no"; then
     gtkpackage="gtk+-$gtkabi"
     gtkx11package="gtk+-x11-$gtkabi"
     if test "$gtkabi" = "3.0" ; then
@@ -2836,6 +2835,9 @@ fi
 # Look for sdl configuration program (pkg-config or sdl-config).  Try
 # sdl-config even without cross prefix, and favour pkg-config over sdl-config.
 
+sdl_probe ()
+{
+  sdl_too_old=no
   if test "$sdlabi" = ""; then
       if $pkg_config --exists "sdl2"; then
           sdlabi=2.0
@@ -2872,13 +2874,13 @@ else
       feature_not_found "sdl" "Install SDL2-devel"
     fi
     sdl=no
+    # no need to do the rest
+    return
   fi
   if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl-config; then
     echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
   fi
 
-sdl_too_old=no
-if test "$sdl" != "no" ; then
   cat > $TMPC << EOF
 #include <SDL.h>
 #undef main /* We don't want SDL to override our main() */
@@ -2920,6 +2922,10 @@ EOF
     fi
     sdl=no
   fi # sdl compile test
+}
+
+if test "$sdl" != "no" ; then
+  sdl_probe
 fi
 
 if test "$sdl" = "yes" ; then

ui/gtk.c

@@ -786,21 +786,13 @@ static gboolean gd_window_close(GtkWidget *widget, GdkEvent *event,
 {
     GtkDisplayState *s = opaque;
     bool allow_close = true;
-    int i;
 
     if (s->opts->has_window_close && !s->opts->window_close) {
         allow_close = false;
     }
 
     if (allow_close) {
-        for (i = 0; i < s->nb_vcs; i++) {
-            if (s->vc[i].type != GD_VC_GFX) {
-                continue;
-            }
-            unregister_displaychangelistener(&s->vc[i].gfx.dcl);
-        }
         qmp_quit(NULL);
-        return FALSE;
     }
 
     return TRUE;

ui/x_keymap.c

@@ -17,6 +17,7 @@
 #include "ui/input.h"
 
 #include <X11/XKBlib.h>
+#include <X11/Xutil.h>
 
 static gboolean check_for_xwin(Display *dpy)
 {
@@ -87,11 +88,13 @@ const guint16 *qemu_xkeymap_mapping_table(Display *dpy, size_t *maplen)
         trace_xkeymap_keymap("xquartz");
         *maplen = qemu_input_map_xorgxquartz_to_qcode_len;
         return qemu_input_map_xorgxquartz_to_qcode;
-    } else if (keycodes && g_str_has_prefix(keycodes, "evdev")) {
+    } else if ((keycodes && g_str_has_prefix(keycodes, "evdev")) ||
+               (XKeysymToKeycode(dpy, XK_Page_Up) == 0x70)) {
         trace_xkeymap_keymap("evdev");
         *maplen = qemu_input_map_xorgevdev_to_qcode_len;
         return qemu_input_map_xorgevdev_to_qcode;
-    } else if (keycodes && g_str_has_prefix(keycodes, "xfree86")) {
+    } else if ((keycodes && g_str_has_prefix(keycodes, "xfree86")) ||
+               (XKeysymToKeycode(dpy, XK_Page_Up) == 0x63)) {
         trace_xkeymap_keymap("kbd");
         *maplen = qemu_input_map_xorgkbd_to_qcode_len;
         return qemu_input_map_xorgkbd_to_qcode;