[gimp/blend-tool-fun: 7/10] app: In GimpBlendTool, sync the operation properties with GimpBlendOptions



commit fbd1ee64e3569a2c9112ed515e21a1f604ddb977
Author: Michael Henning <drawoc darkrefraction com>
Date:   Tue Jun 24 14:23:55 2014 -0400

    app: In GimpBlendTool, sync the operation properties with GimpBlendOptions

 app/tools/gimpblendtool.c |   43 ++++++++++++++++++++++++++++++++++++++-----
 1 files changed, 38 insertions(+), 5 deletions(-)
---
diff --git a/app/tools/gimpblendtool.c b/app/tools/gimpblendtool.c
index f0bcac8..9113b42 100644
--- a/app/tools/gimpblendtool.c
+++ b/app/tools/gimpblendtool.c
@@ -41,6 +41,8 @@
 #include "core/gimpprogress.h"
 #include "core/gimpprojection.h"
 
+#include "gegl/gimp-gegl-config-proxy.h"
+
 #include "widgets/gimphelp-ids.h"
 #include "widgets/gimpwidgets-utils.h"
 
@@ -87,8 +89,8 @@ static void   gimp_blend_tool_motion              (GimpTool              *tool,
                                                    guint32                time,
                                                    GdkModifierType        state,
                                                    GimpDisplay           *display);
-static void   gimp_blend_tool_point_motion        (GimpBlendTool *blend_tool,
-                                                   gboolean constrain_angle);
+static void   gimp_blend_tool_point_motion        (GimpBlendTool         *blend_tool,
+                                                   gboolean               constrain_angle);
 static gboolean gimp_blend_tool_key_press         (GimpTool              *tool,
                                                    GdkEventKey           *kevent,
                                                    GimpDisplay           *display);
@@ -119,6 +121,9 @@ static void   gimp_blend_tool_push_status         (GimpBlendTool         *blend_
 
 static void   gimp_blend_tool_create_graph        (GimpBlendTool         *blend_tool);
 static void   gimp_blend_tool_update_preview_coords (GimpBlendTool       *blend_tool);
+static void   gimp_blend_tool_options_notify      (GimpTool              *tool,
+                                                   GimpToolOptions       *options,
+                                                   const GParamSpec      *pspec);
 
 static void   gimp_blend_tool_create_image_map    (GimpBlendTool         *blend_tool,
                                                    GimpDrawable          *drawable);
@@ -168,6 +173,7 @@ gimp_blend_tool_class_init (GimpBlendToolClass *klass)
   tool_class->key_press           = gimp_blend_tool_key_press;
   tool_class->active_modifier_key = gimp_blend_tool_active_modifier_key;
   tool_class->cursor_update       = gimp_blend_tool_cursor_update;
+  tool_class->options_notify      = gimp_blend_tool_options_notify;
 
   draw_tool_class->draw           = gimp_blend_tool_draw;
 }
@@ -632,15 +638,19 @@ static void
 gimp_blend_tool_start (GimpBlendTool         *blend_tool,
                        GimpDisplay           *display)
 {
-  GimpTool      *tool     = GIMP_TOOL (blend_tool);
-  GimpImage     *image    = gimp_display_get_image (display);
-  GimpDrawable  *drawable = gimp_image_get_active_drawable (image);
+  GimpTool         *tool     = GIMP_TOOL (blend_tool);
+  GimpImage        *image    = gimp_display_get_image (display);
+  GimpDrawable     *drawable = gimp_image_get_active_drawable (image);
+  GimpBlendOptions *options  = GIMP_BLEND_TOOL_GET_OPTIONS (blend_tool);
 
   tool->display  = display;
   tool->drawable = drawable;
 
   gimp_blend_tool_create_image_map (blend_tool, drawable);
 
+  /* Initially sync all of the properties */
+  gimp_gegl_config_proxy_sync (GIMP_OBJECT (options), blend_tool->render_node);
+
   if (! gimp_draw_tool_is_active (GIMP_DRAW_TOOL (blend_tool)))
     gimp_draw_tool_start (GIMP_DRAW_TOOL (blend_tool), display);
 }
@@ -785,6 +795,29 @@ gimp_blend_tool_update_preview_coords (GimpBlendTool *blend_tool)
                  NULL);
 }
 
+static void
+gimp_blend_tool_options_notify (GimpTool         *tool,
+                                GimpToolOptions  *options,
+                                const GParamSpec *pspec)
+{
+  GimpBlendTool *blend_tool = GIMP_BLEND_TOOL (tool);
+
+  /* Sync any property changes on the config object that match the op */
+  if (blend_tool->render_node &&
+      gegl_node_find_property (blend_tool->render_node, pspec->name))
+    {
+      GValue value = G_VALUE_INIT;
+      g_value_init (&value, pspec->value_type);
+
+      g_object_get_property (G_OBJECT (options), pspec->name, &value);
+      gegl_node_set_property (blend_tool->render_node, pspec->name, &value);
+
+      g_value_unset (&value);
+
+      gimp_image_map_apply (blend_tool->image_map, NULL);
+    }
+}
+
 /* Image map stuff */
 
 static void


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