[PULL 03/40] ui: Fix the "-display sdl,window_close=..." parameter

[Paolo Bonzini <pbonzini@redhat.com>]

From: Thomas Huth <thuth@redhat.com>

According to the QAPI schema, there is a "-" and not a "_" between
"window" and "close", and we're also talking about "window-close"
in the long parameter description in qemu-options.hx, so we should
make sure that we rather use the variant with the "-" by default
instead of only allowing the one with the "_" here. The old way
still stays enabled for compatibility, but we deprecate it, so that
we can switch to a QAPIfied parameter one day more easily.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210630163231.467987-3-thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 docs/system/deprecated.rst | 6 ++++++
 qemu-options.hx            | 2 +-
 softmmu/vl.c               | 7 ++++++-
 3 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/docs/system/deprecated.rst b/docs/system/deprecated.rst
index e2e0090878..bb624d3170 100644
--- a/docs/system/deprecated.rst
+++ b/docs/system/deprecated.rst
@@ -126,6 +126,12 @@ other options have been processed.  This will either have no effect (if
 if they were not given.  The property is therefore useless and should not be
 specified.
 
+``-display sdl,window_close=...`` (since 6.1)
+'''''''''''''''''''''''''''''''''''''''''''''
+
+Use ``-display sdl,window-close=...`` instead (i.e. with a minus instead of
+an underscore between "window" and "close").
+
 
 QEMU Machine Protocol (QMP) commands
 ------------------------------------
diff --git a/qemu-options.hx b/qemu-options.hx
index ba3ca9da1d..ae56fa4f28 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -1784,7 +1784,7 @@ DEF("display", HAS_ARG, QEMU_OPTION_display,
 #endif
 #if defined(CONFIG_SDL)
     "-display sdl[,alt_grab=on|off][,ctrl_grab=on|off]\n"
-    "            [,window_close=on|off][,gl=on|core|es|off]\n"
+    "            [,window-close=on|off][,gl=on|core|es|off]\n"
 #endif
 #if defined(CONFIG_GTK)
     "-display gtk[,grab_on_hover=on|off][,gl=on|off]|\n"
diff --git a/softmmu/vl.c b/softmmu/vl.c
index cee6339580..36b761677d 100644
--- a/softmmu/vl.c
+++ b/softmmu/vl.c
@@ -1089,7 +1089,12 @@ static void parse_display(const char *p)
                 } else {
                     goto invalid_sdl_args;
                 }
-            } else if (strstart(opts, ",window_close=", &nextopt)) {
+            } else if (strstart(opts, ",window_close=", &nextopt) ||
+                       strstart(opts, ",window-close=", &nextopt)) {
+                if (strstart(opts, ",window_close=", NULL)) {
+                    warn_report("window_close with an underscore is deprecated,"
+                                " please use window-close instead.");
+                }
                 opts = nextopt;
                 dpy.has_window_close = true;
                 if (strstart(opts, "on", &nextopt)) {
-- 
2.31.1