[gegl] gegl: custom label and description for composer aux pads

[Øyvind "pippin" Kolås <ok src gnome org>]

commit f52090d0937dd9c11437b05abbef556484f25a16
Author: Øyvind Kolås <pippin gimp org>
Date:   Fri Jul 19 18:39:20 2019 +0200

    gegl: custom label and description for composer aux pads
    
    Adds members to GeglOperationComposerClass and GeglOperationComposer3Class,
    which if set are used on the paramspecs backing the pads.

 gegl/operation/gegl-operation-composer.c  | 13 ++++++++-----
 gegl/operation/gegl-operation-composer.h  |  4 +++-
 gegl/operation/gegl-operation-composer3.c | 23 +++++++++++++----------
 gegl/operation/gegl-operation-composer3.h |  5 ++++-
 4 files changed, 28 insertions(+), 17 deletions(-)
---
diff --git a/gegl/operation/gegl-operation-composer.c b/gegl/operation/gegl-operation-composer.c
index da5949197..e9b2602be 100644
--- a/gegl/operation/gegl-operation-composer.c
+++ b/gegl/operation/gegl-operation-composer.c
@@ -25,6 +25,7 @@
 #include "gegl-operation-composer.h"
 #include "gegl-operation-context.h"
 #include "gegl-config.h"
+#include <glib/gi18n-lib.h>
 
 static gboolean gegl_operation_composer_process (GeglOperation       *operation,
                               GeglOperationContext     *context,
@@ -67,6 +68,7 @@ static void
 attach (GeglOperation *self)
 {
   GeglOperation *operation = GEGL_OPERATION (self);
+  GeglOperationComposerClass *klass = GEGL_OPERATION_COMPOSER_GET_CLASS (operation);
   GParamSpec    *pspec;
 
   pspec = g_param_spec_object ("output",
@@ -88,13 +90,14 @@ attach (GeglOperation *self)
   g_param_spec_sink (pspec);
 
   pspec = g_param_spec_object ("aux",
-                               "Aux",
-                               "Auxiliary image buffer input pad.",
-                               GEGL_TYPE_BUFFER,
-                               G_PARAM_READWRITE |
-                               GEGL_PARAM_PAD_INPUT);
+      klass->aux_label?klass->aux_label:"Aux",
+      klass->aux_description?klass->aux_description:_("Auxiliary image buffer input pad."),
+      GEGL_TYPE_BUFFER,
+      G_PARAM_READWRITE |
+      GEGL_PARAM_PAD_INPUT);
   gegl_operation_create_pad (operation, pspec);
   g_param_spec_sink (pspec);
+
 }
 
 typedef struct ThreadData
diff --git a/gegl/operation/gegl-operation-composer.h b/gegl/operation/gegl-operation-composer.h
index 783498610..14b17598a 100644
--- a/gegl/operation/gegl-operation-composer.h
+++ b/gegl/operation/gegl-operation-composer.h
@@ -52,7 +52,9 @@ struct _GeglOperationComposerClass
                         GeglBuffer          *output,
                         const GeglRectangle *result,
                         gint                 level);
-  gpointer              pad[4];
+  const char           *aux_label;
+  const char           *aux_description;
+  gpointer              pad[2];
 };
 
 GType gegl_operation_composer_get_type (void) G_GNUC_CONST;
diff --git a/gegl/operation/gegl-operation-composer3.c b/gegl/operation/gegl-operation-composer3.c
index 6ef945ba0..22739619c 100644
--- a/gegl/operation/gegl-operation-composer3.c
+++ b/gegl/operation/gegl-operation-composer3.c
@@ -25,6 +25,8 @@
 #include "gegl-operation-composer3.h"
 #include "gegl-operation-context.h"
 #include "gegl-config.h"
+#include <glib/gi18n-lib.h>
+
 
 static gboolean gegl_operation_composer3_process
 (GeglOperation        *operation,
@@ -46,7 +48,7 @@ G_DEFINE_TYPE (GeglOperationComposer3, gegl_operation_composer3,
     GEGL_TYPE_OPERATION)
 
 
-  static void
+static void
 gegl_operation_composer3_class_init (GeglOperationComposer3Class * klass)
 {
   GeglOperationClass *operation_class = GEGL_OPERATION_CLASS (klass);
@@ -58,20 +60,21 @@ gegl_operation_composer3_class_init (GeglOperationComposer3Class * klass)
   operation_class->get_required_for_output = get_required_for_output;
 }
 
-  static void
+static void
 gegl_operation_composer3_init (GeglOperationComposer3 *self)
 {
 }
 
-  static void
+static void
 attach (GeglOperation *self)
 {
   GeglOperation *operation = GEGL_OPERATION (self);
+  GeglOperationComposer3Class *klass   = GEGL_OPERATION_COMPOSER3_GET_CLASS (operation);
   GParamSpec    *pspec;
 
   pspec = g_param_spec_object ("output",
       "Output",
-      "Output pad for generated image buffer.",
+      _("Output pad for generated image buffer."),
       GEGL_TYPE_BUFFER,
       G_PARAM_READABLE |
       GEGL_PARAM_PAD_OUTPUT);
@@ -80,7 +83,7 @@ attach (GeglOperation *self)
 
   pspec = g_param_spec_object ("input",
       "Input",
-      "Input pad, for image buffer input.",
+      _("Input pad, for image buffer input."),
       GEGL_TYPE_BUFFER,
       G_PARAM_READWRITE |
       GEGL_PARAM_PAD_INPUT);
@@ -88,8 +91,8 @@ attach (GeglOperation *self)
   g_param_spec_sink (pspec);
 
   pspec = g_param_spec_object ("aux",
-      "Aux",
-      "Auxiliary image buffer input pad.",
+      klass->aux_label?klass->aux_label:"Aux",
+      klass->aux_description?klass->aux_description:_("Auxiliary image buffer input pad."),
       GEGL_TYPE_BUFFER,
       G_PARAM_READWRITE |
       GEGL_PARAM_PAD_INPUT);
@@ -97,8 +100,8 @@ attach (GeglOperation *self)
   g_param_spec_sink (pspec);
 
   pspec = g_param_spec_object ("aux2",
-      "Aux2",
-      "Second auxiliary image buffer input pad.",
+      klass->aux2_label?klass->aux2_label:"Aux2",
+      klass->aux2_description?klass->aux2_description:_("Second auxiliary image buffer input pad."),
       GEGL_TYPE_BUFFER,
       G_PARAM_READWRITE |
       GEGL_PARAM_PAD_INPUT);
@@ -208,7 +211,7 @@ gegl_operation_composer3_process (GeglOperation        *operation,
           GEGL_SPLIT_STRATEGY_AUTO,
           (GeglParallelDistributeAreaFunc) thread_process,
           &data);
-        
+
         success = data.success;
       }
       else
diff --git a/gegl/operation/gegl-operation-composer3.h b/gegl/operation/gegl-operation-composer3.h
index c8b6c7bf3..dc09828fc 100644
--- a/gegl/operation/gegl-operation-composer3.h
+++ b/gegl/operation/gegl-operation-composer3.h
@@ -48,7 +48,10 @@ struct _GeglOperationComposer3Class
                         GeglBuffer          *output,
                         const GeglRectangle *result,
                         gint                 level);
-  gpointer              pad[4];
+  const char           *aux_label;
+  const char           *aux_description;
+  const char           *aux2_label;
+  const char           *aux2_description;
 };
 
 GType gegl_operation_composer3_get_type (void) G_GNUC_CONST;