ui: switch gtk display to qapi parser

Drop the gtk option parser from parse_display(), so parse_display_qapi()
will handle it instead.

With this change the parser will accept gl=core and gl=es too, gtk
must catch the unsupported gles variant now.
Signed-off-by: NGerd Hoffmann <kraxel@redhat.com>
Message-id: 20180507095539.19584-4-kraxel@redhat.com

ui/gtk.c

@@ -2478,7 +2478,11 @@ static void early_gtk_display_init(DisplayOptions *opts)
     }
 
     assert(opts->type == DISPLAY_TYPE_GTK);
-    if (opts->has_gl && opts->gl) {
+    if (opts->has_gl && opts->gl != DISPLAYGL_MODE_OFF) {
+        if (opts->gl == DISPLAYGL_MODE_ES) {
+            error_report("gtk: opengl es not supported");
+            return;
+        }
 #if defined(CONFIG_OPENGL)
 #if defined(CONFIG_GTK_GL) && defined(GDK_WINDOWING_WAYLAND)
         if (GDK_IS_WAYLAND_DISPLAY(gdk_display_get_default())) {

vl.c

@@ -2185,38 +2185,6 @@ static void parse_display(const char *p)
             error_report("VNC requires a display argument vnc=<display>");
             exit(1);
         }
-    } else if (strstart(p, "gtk", &opts)) {
-        dpy.type = DISPLAY_TYPE_GTK;
-        while (*opts) {
-            const char *nextopt;
-
-            if (strstart(opts, ",grab_on_hover=", &nextopt)) {
-                opts = nextopt;
-                dpy.u.gtk.has_grab_on_hover = true;
-                if (strstart(opts, "on", &nextopt)) {
-                    dpy.u.gtk.grab_on_hover = true;
-                } else if (strstart(opts, "off", &nextopt)) {
-                    dpy.u.gtk.grab_on_hover = false;
-                } else {
-                    goto invalid_gtk_args;
-                }
-            } else if (strstart(opts, ",gl=", &nextopt)) {
-                opts = nextopt;
-                dpy.has_gl = true;
-                if (strstart(opts, "on", &nextopt)) {
-                    dpy.gl = DISPLAYGL_MODE_ON;
-                } else if (strstart(opts, "off", &nextopt)) {
-                    dpy.gl = DISPLAYGL_MODE_OFF;
-                } else {
-                    goto invalid_gtk_args;
-                }
-            } else {
-            invalid_gtk_args:
-                error_report("invalid GTK option string");
-                exit(1);
-            }
-            opts = nextopt;
-        }
     } else {
         parse_display_qapi(p);
     }