app: move the N-Point Deformation tool to the playground

It has to be enabled via Prefs -> Playground. The menu entry is always
disabled until it leaves the playground, for reasons worth fixing.

app/config/gimpguiconfig.c

@@ -80,6 +80,8 @@ enum
   PROP_DOCK_WINDOW_HINT,
   PROP_CURSOR_HANDEDNESS,
 
+  PROP_PLAYGROUND_NPD_TOOL,
+
   PROP_HIDE_DOCKS,
   PROP_SINGLE_WINDOW_MODE,
   PROP_TABS_POSITION,
@@ -272,6 +274,13 @@ gimp_gui_config_class_init (GimpGuiConfigClass *klass)
                                  GIMP_HANDEDNESS_RIGHT,
                                  GIMP_PARAM_STATIC_STRINGS);
 
+  GIMP_CONFIG_INSTALL_PROP_BOOLEAN (object_class, PROP_PLAYGROUND_NPD_TOOL,
+                                    "playground-npd-tool",
+                                    PLAYGROUND_NPD_TOOL_BLURB,
+                                    FALSE,
+                                    GIMP_PARAM_STATIC_STRINGS |
+                                    GIMP_CONFIG_PARAM_RESTART);
+
   g_object_class_install_property (object_class, PROP_HIDE_DOCKS,
                                    g_param_spec_boolean ("hide-docks",
                                                          NULL,
@@ -476,6 +485,10 @@ gimp_gui_config_set_property (GObject      *object,
       gui_config->cursor_handedness = g_value_get_enum (value);
       break;
 
+    case PROP_PLAYGROUND_NPD_TOOL:
+      gui_config->playground_npd_tool = g_value_get_boolean (value);
+      break;
+
     case PROP_HIDE_DOCKS:
       gui_config->hide_docks = g_value_get_boolean (value);
       break;
@@ -610,6 +623,10 @@ gimp_gui_config_get_property (GObject    *object,
       g_value_set_enum (value, gui_config->cursor_handedness);
       break;
 
+    case PROP_PLAYGROUND_NPD_TOOL:
+      g_value_set_boolean (value, gui_config->playground_npd_tool);
+      break;
+
     case PROP_HIDE_DOCKS:
       g_value_set_boolean (value, gui_config->hide_docks);
       break;

app/config/gimpguiconfig.h

@@ -63,7 +63,7 @@ struct _GimpGuiConfig
   gchar               *help_locales;
   GimpHelpBrowserType  help_browser;
 
-  /* Action Search preferences. */
+  /* action search preferences */
   gboolean             search_show_unavailable;
   gint                 action_history_size;
 
@@ -73,6 +73,9 @@ struct _GimpGuiConfig
   GimpWindowHint       dock_window_hint;
   GimpHandedness       cursor_handedness;
 
+  /* experimental playground */
+  gboolean             playground_npd_tool;
+
   /* saved in sessionrc */
   gboolean             hide_docks;
   gboolean             single_window_mode;

app/config/gimprc-blurbs.h

@@ -374,6 +374,9 @@ _("Use GIMP in a single-window mode.")
 #define HIDE_DOCKS_BLURB \
 _("Hide docks and other windows, leaving only image windows.")
 
+#define PLAYGROUND_NPD_TOOL_BLURB \
+_("Enable the N-Point Deformation tool.")
+
 #define SPACE_BAR_ACTION_BLURB \
 _("What to do when the space bar is pressed in the image window.")
 

app/dialogs/preferences-dialog.c

@@ -1456,8 +1456,6 @@ prefs_dialog_new (Gimp       *gimp,
   /****************/
   if (gimp->show_playground)
     {
-      GtkWidget *label;
-
       pixbuf = prefs_get_pixbufs (dialog, "playground", &small_pixbuf);
       vbox = gimp_prefs_box_add_page (GIMP_PREFS_BOX (prefs_box),
                                       _("Experimental Playground"),
@@ -1471,9 +1469,9 @@ prefs_dialog_new (Gimp       *gimp,
       vbox2 = prefs_frame_new (_("Insane Options"),
                                GTK_CONTAINER (vbox), TRUE);
 
-      label = gtk_label_new ("Fuck Yeah!");
-      gtk_box_pack_start (GTK_BOX (vbox2), label, TRUE, TRUE, 0);
-      gtk_widget_show (label);
+      button = prefs_check_button_add (object, "playground-npd-tool",
+                                       _("_N-Point Deformation tool"),
+                                       GTK_BOX (vbox2));
     }
 
 

app/tools/gimpnpointdeformationtool.c

@@ -31,6 +31,8 @@
 
 #include "tools-types.h"
 
+#include "config/gimpguiconfig.h" /* playground */
+
 #include "gegl/gimp-gegl-utils.h"
 #include "gegl/gimp-gegl-apply-operation.h"
 
@@ -144,6 +146,10 @@ void
 gimp_n_point_deformation_tool_register (GimpToolRegisterCallback  callback,
                                         gpointer                  data)
 {
+  /* we should not know that "data" is a Gimp*, but what the heck this
+   * is experimental playground stuff
+   */
+  if (GIMP_GUI_CONFIG (GIMP (data)->config)->playground_npd_tool)
     (* callback) (GIMP_TYPE_N_POINT_DEFORMATION_TOOL,
                   GIMP_TYPE_N_POINT_DEFORMATION_OPTIONS,
                   gimp_n_point_deformation_options_gui,

menus/image-menu.xml.in

@@ -605,7 +605,9 @@
         <menuitem action="tools-flip" />
         <menuitem action="tools-cage" />
         <menuitem action="tools-warp" />
+	<!-- Enable when the tool leaves the playground
              <menuitem action="tools-n-point-deformation" />
+	-->
       </menu>
       <menu action="tools-color-menu" name="Color Tools">
         <menuitem action="tools-color-balance" />