[gimp] app: adding metadata handling as "Export Policies" in preferences.

[Jehan Pagès <jehanp src gnome org>]

commit c49b8463bd199bff084dd7136f96f99ab8bb842d
Author: Jehan <jehan girinstud io>
Date:   Thu Jan 11 01:53:35 2018 +0100

    app: adding metadata handling as "Export Policies" in preferences.
    
    These preferences are currently not used anywhere. This is the next
    step.

 app/config/gimpcoreconfig.c      |   42 ++++++++++++++++++++++++++++++++++++++
 app/config/gimpcoreconfig.h      |    3 ++
 app/config/gimprc-blurbs.h       |    9 ++++++++
 app/dialogs/preferences-dialog.c |   20 +++++++++++++++++-
 4 files changed, 73 insertions(+), 1 deletions(-)
---
diff --git a/app/config/gimpcoreconfig.c b/app/config/gimpcoreconfig.c
index cec2c62..038fb51 100644
--- a/app/config/gimpcoreconfig.c
+++ b/app/config/gimpcoreconfig.c
@@ -110,6 +110,9 @@ enum
   PROP_IMPORT_PROMOTE_DITHER,
   PROP_IMPORT_ADD_ALPHA,
   PROP_IMPORT_RAW_PLUG_IN,
+  PROP_EXPORT_METADATA_EXIF,
+  PROP_EXPORT_METADATA_XMP,
+  PROP_EXPORT_METADATA_IPTC,
 
   /* ignored, only for backward compatibility: */
   PROP_INSTALL_COLORMAP,
@@ -630,6 +633,27 @@ gimp_core_config_class_init (GimpCoreConfigClass *klass)
                          GIMP_PARAM_STATIC_STRINGS |
                          GIMP_CONFIG_PARAM_RESTART);
 
+  GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_EXPORT_METADATA_EXIF,
+                            "export-metadata-exif",
+                            "Export Exif metadata",
+                            EXPORT_METADATA_EXIF_BLURB,
+                            FALSE,
+                            GIMP_PARAM_STATIC_STRINGS);
+
+  GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_EXPORT_METADATA_XMP,
+                            "export-metadata-xmp",
+                            "Export XMP metadata",
+                            EXPORT_METADATA_XMP_BLURB,
+                            FALSE,
+                            GIMP_PARAM_STATIC_STRINGS);
+
+  GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_EXPORT_METADATA_IPTC,
+                            "export-metadata-iptc",
+                            "Export IPTC metadata",
+                            EXPORT_METADATA_IPTC_BLURB,
+                            FALSE,
+                            GIMP_PARAM_STATIC_STRINGS);
+
   /*  only for backward compatibility:  */
   GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_INSTALL_COLORMAP,
                             "install-colormap",
@@ -923,6 +947,15 @@ gimp_core_config_set_property (GObject      *object,
       g_free (core_config->import_raw_plug_in);
       core_config->import_raw_plug_in = g_value_dup_string (value);
       break;
+    case PROP_EXPORT_METADATA_EXIF:
+      core_config->export_metadata_exif = g_value_get_boolean (value);
+      break;
+    case PROP_EXPORT_METADATA_XMP:
+      core_config->export_metadata_xmp = g_value_get_boolean (value);
+      break;
+    case PROP_EXPORT_METADATA_IPTC:
+      core_config->export_metadata_iptc = g_value_get_boolean (value);
+      break;
 
     case PROP_INSTALL_COLORMAP:
     case PROP_MIN_COLORS:
@@ -1110,6 +1143,15 @@ gimp_core_config_get_property (GObject    *object,
     case PROP_IMPORT_RAW_PLUG_IN:
       g_value_set_string (value, core_config->import_raw_plug_in);
       break;
+    case PROP_EXPORT_METADATA_EXIF:
+      g_value_set_boolean (value, core_config->export_metadata_exif);
+      break;
+    case PROP_EXPORT_METADATA_XMP:
+      g_value_set_boolean (value, core_config->export_metadata_xmp);
+      break;
+    case PROP_EXPORT_METADATA_IPTC:
+      g_value_set_boolean (value, core_config->export_metadata_iptc);
+      break;
 
     case PROP_INSTALL_COLORMAP:
     case PROP_MIN_COLORS:
diff --git a/app/config/gimpcoreconfig.h b/app/config/gimpcoreconfig.h
index 2ef1df1..517da39 100644
--- a/app/config/gimpcoreconfig.h
+++ b/app/config/gimpcoreconfig.h
@@ -95,6 +95,9 @@ struct _GimpCoreConfig
   gboolean                import_promote_dither;
   gboolean                import_add_alpha;
   gchar                  *import_raw_plug_in;
+  gboolean                export_metadata_exif;
+  gboolean                export_metadata_xmp;
+  gboolean                export_metadata_iptc;
 };
 
 struct _GimpCoreConfigClass
diff --git a/app/config/gimprc-blurbs.h b/app/config/gimprc-blurbs.h
index 58b17ed..cb5e09c 100644
--- a/app/config/gimprc-blurbs.h
+++ b/app/config/gimprc-blurbs.h
@@ -201,6 +201,15 @@ _("Add an alpha channel to all layers of imported images.")
 #define IMPORT_RAW_PLUG_IN_BLURB \
 _("Which plug-in to use for importing raw digital camera files.")
 
+#define EXPORT_METADATA_EXIF_BLURB \
+_("Export Exif metadata by default.")
+
+#define EXPORT_METADATA_XMP_BLURB \
+_("Export XMP metadata by default.")
+
+#define EXPORT_METADATA_IPTC_BLURB \
+_("Export IPTC metadata by default.")
+
 #define INITIAL_ZOOM_TO_FIT_BLURB \
 _("When enabled, this will ensure that the full image is visible after a " \
   "file is opened, otherwise it will be displayed with a scale of 1:1.")
diff --git a/app/dialogs/preferences-dialog.c b/app/dialogs/preferences-dialog.c
index edb82b4..e96074b 100644
--- a/app/dialogs/preferences-dialog.c
+++ b/app/dialogs/preferences-dialog.c
@@ -1402,7 +1402,7 @@ prefs_dialog_new (Gimp       *gimp,
   vbox = gimp_prefs_box_add_page (GIMP_PREFS_BOX (prefs_box),
                                   "gimp-prefs-import-export",
                                   _("Image Import & Export"),
-                                  _("Image Import"),
+                                  _("Image Import & Export"),
                                   GIMP_HELP_PREFS_DIALOG,
                                   NULL,
                                   &top_iter);
@@ -1431,6 +1431,24 @@ prefs_dialog_new (Gimp       *gimp,
                                      _("Color profile policy:"),
                                      GTK_TABLE (table), 0, NULL);
 
+  /*  Export Policies  */
+  vbox2 = prefs_frame_new (_("Export Policies"),
+                           GTK_CONTAINER (vbox), FALSE);
+
+  button = prefs_check_button_add (object, "export-metadata-exif",
+                                   _("Export Exif metadata by default when available"),
+                                   GTK_BOX (vbox2));
+  button = prefs_check_button_add (object, "export-metadata-xmp",
+                                   _("Export XMP metadata by default when available"),
+                                   GTK_BOX (vbox2));
+  button = prefs_check_button_add (object, "export-metadata-iptc",
+                                   _("Export IPTC metadata by default when available"),
+                                   GTK_BOX (vbox2));
+  hbox = prefs_hint_box_new (GIMP_ICON_DIALOG_WARNING,
+                             _("Metadata can contain sensitive information."));
+  gtk_box_pack_start (GTK_BOX (vbox2), hbox, FALSE, FALSE, 0);
+
+
   /*  Raw Image Importer  */
   vbox2 = prefs_frame_new (_("Raw Image Importer"),
                            GTK_CONTAINER (vbox), TRUE);