[gimp] app: in filter tools, remember state of the fade and color-options expanders

[Ell <ell src gnome org>]

commit ddd3199e0234364d0d667191d574e8fa6139f0c3
Author: Ell <ell_se yahoo com>
Date:   Tue Apr 7 18:52:28 2020 +0300

    app: in filter tools, remember state of the fade and color-options expanders
    
    In GimpFilterTool, remember the last expanded state of the color-
    options and fade expanders.

 app/tools/gimpfilteroptions.c | 32 +++++++++++++++++++++++++++++++-
 app/tools/gimpfilteroptions.h |  3 +++
 app/tools/gimpfiltertool.c    |  9 +++++++++
 3 files changed, 43 insertions(+), 1 deletion(-)
---
diff --git a/app/tools/gimpfilteroptions.c b/app/tools/gimpfilteroptions.c
index d1bbb85927..19adef91ba 100644
--- a/app/tools/gimpfilteroptions.c
+++ b/app/tools/gimpfilteroptions.c
@@ -37,7 +37,9 @@ enum
   PROP_PREVIEW_SPLIT,
   PROP_PREVIEW_SPLIT_ALIGNMENT,
   PROP_PREVIEW_SPLIT_POSITION,
-  PROP_CONTROLLER
+  PROP_CONTROLLER,
+  PROP_FADE_EXPANDED,
+  PROP_COLOR_OPTIONS_EXPANDED
 };
 
 
@@ -101,6 +103,18 @@ gimp_filter_options_class_init (GimpFilterOptionsClass *klass)
                             _("Show on-canvas filter controls"),
                             TRUE,
                             GIMP_PARAM_STATIC_STRINGS);
+
+  GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_FADE_EXPANDED,
+                            "fade-expanded",
+                            NULL, NULL,
+                            FALSE,
+                            GIMP_PARAM_STATIC_STRINGS);
+
+  GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_COLOR_OPTIONS_EXPANDED,
+                            "color-options-expanded",
+                            NULL, NULL,
+                            FALSE,
+                            GIMP_PARAM_STATIC_STRINGS);
 }
 
 static void
@@ -138,6 +152,14 @@ gimp_filter_options_set_property (GObject      *object,
       options->controller = g_value_get_boolean (value);
       break;
 
+    case PROP_FADE_EXPANDED:
+      options->fade_expanded = g_value_get_boolean (value);
+      break;
+
+    case PROP_COLOR_OPTIONS_EXPANDED:
+      options->color_options_expanded = g_value_get_boolean (value);
+      break;
+
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
       break;
@@ -174,6 +196,14 @@ gimp_filter_options_get_property (GObject    *object,
       g_value_set_boolean (value, options->controller);
       break;
 
+    case PROP_FADE_EXPANDED:
+      g_value_set_boolean (value, options->fade_expanded);
+      break;
+
+    case PROP_COLOR_OPTIONS_EXPANDED:
+      g_value_set_boolean (value, options->color_options_expanded);
+      break;
+
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
       break;
diff --git a/app/tools/gimpfilteroptions.h b/app/tools/gimpfilteroptions.h
index 9cda679d8d..bf1d59fedf 100644
--- a/app/tools/gimpfilteroptions.h
+++ b/app/tools/gimpfilteroptions.h
@@ -41,6 +41,9 @@ struct _GimpFilterOptions
   GimpAlignmentType  preview_split_alignment;
   gdouble            preview_split_position;
   gboolean           controller;
+
+  gboolean           fade_expanded;
+  gboolean           color_options_expanded;
 };
 
 struct _GimpFilterOptionsClass
diff --git a/app/tools/gimpfiltertool.c b/app/tools/gimpfiltertool.c
index 3b6aeb6ef7..54c6ee6375 100644
--- a/app/tools/gimpfiltertool.c
+++ b/app/tools/gimpfiltertool.c
@@ -1096,6 +1096,11 @@ gimp_filter_tool_update_dialog_operation_settings (GimpFilterTool *filter_tool)
                               FALSE, FALSE, 0);
           gtk_widget_show (expander);
 
+          g_object_bind_property (options,  "fade-expanded",
+                                  expander, "expanded",
+                                  G_BINDING_SYNC_CREATE |
+                                  G_BINDING_BIDIRECTIONAL);
+
           frame = gimp_frame_new (NULL);
           gtk_container_add (GTK_CONTAINER (expander), frame);
           gtk_widget_show (frame);
@@ -1133,6 +1138,10 @@ gimp_filter_tool_update_dialog_operation_settings (GimpFilterTool *filter_tool)
                                   "filter-tool-show-color-options",
                                   expander, "visible",
                                   G_BINDING_SYNC_CREATE);
+          g_object_bind_property (options,  "color-options-expanded",
+                                  expander, "expanded",
+                                  G_BINDING_SYNC_CREATE |
+                                  G_BINDING_BIDIRECTIONAL);
 
           frame = gimp_frame_new (NULL);
           gtk_container_add (GTK_CONTAINER (expander), frame);