1 files changed, 151 insertions, 0 deletions
diff --git a/app/actions/gradients-commands.c b/app/actions/gradients-commands.c
new file mode 100644
index 0000000..40b71fd
--- /dev/null
+++ b/app/actions/gradients-commands.c
@@ -0,0 +1,151 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <gegl.h>
+#include <gtk/gtk.h>
+
+#include "libgimpwidgets/gimpwidgets.h"
+
+#include "actions-types.h"
+
+#include "core/gimp.h"
+#include "core/gimpgradient-save.h"
+#include "core/gimpcontext.h"
+
+#include "widgets/gimpcontainereditor.h"
+#include "widgets/gimpcontainerview.h"
+#include "widgets/gimphelp-ids.h"
+
+#include "dialogs/dialogs.h"
+
+#include "gradients-commands.h"
+
+#include "gimp-intl.h"
+
+
+/*  local function prototypes  */
+
+static void   gradients_save_as_pov_ray_response (GtkWidget    *dialog,
+                                                  gint          response_id,
+                                                  GimpGradient *gradient);
+
+
+/*  public functions  */
+
+void
+gradients_save_as_pov_ray_cmd_callback (GimpAction *action,
+                                        GVariant   *value,
+                                        gpointer    data)
+{
+  GimpContainerEditor *editor = GIMP_CONTAINER_EDITOR (data);
+  GimpContext         *context;
+  GimpGradient        *gradient;
+  GtkWidget           *dialog;
+
+  context  = gimp_container_view_get_context (editor->view);
+  gradient = gimp_context_get_gradient (context);
+
+  if (! gradient)
+    return;
+
+#define SAVE_AS_POV_DIALOG_KEY "gimp-save-as-pov-ray-dialog"
+
+  dialog = dialogs_get_dialog (G_OBJECT (gradient), SAVE_AS_POV_DIALOG_KEY);
+
+  if (! dialog)
+    {
+      gchar *title = g_strdup_printf (_("Save '%s' as POV-Ray"),
+                                      gimp_object_get_name (gradient));
+
+      dialog = gtk_file_chooser_dialog_new (title, NULL,
+                                            GTK_FILE_CHOOSER_ACTION_SAVE,
+
+                                            _("_Cancel"), GTK_RESPONSE_CANCEL,
+                                            _("_Save"),   GTK_RESPONSE_OK,
+
+                                            NULL);
+
+      g_free (title);
+
+      gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_OK);
+      gtk_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
+                                               GTK_RESPONSE_OK,
+                                               GTK_RESPONSE_CANCEL,
+                                               -1);
+
+      g_object_set_data (G_OBJECT (dialog), "gimp", context->gimp);
+
+      gtk_window_set_screen (GTK_WINDOW (dialog),
+                             gtk_widget_get_screen (GTK_WIDGET (editor)));
+      gtk_window_set_role (GTK_WINDOW (dialog), "gimp-gradient-save-pov");
+      gtk_window_set_position (GTK_WINDOW (dialog), GTK_WIN_POS_MOUSE);
+
+      gtk_file_chooser_set_do_overwrite_confirmation (GTK_FILE_CHOOSER (dialog),
+                                                      TRUE);
+
+      g_signal_connect (dialog, "response",
+                        G_CALLBACK (gradients_save_as_pov_ray_response),
+                        gradient);
+      g_signal_connect (dialog, "delete-event",
+                        G_CALLBACK (gtk_true),
+                        NULL);
+
+      g_signal_connect_object (dialog, "destroy",
+                               G_CALLBACK (g_object_unref),
+                               g_object_ref (gradient),
+                               G_CONNECT_SWAPPED);
+
+      gimp_help_connect (dialog, gimp_standard_help_func,
+                         GIMP_HELP_GRADIENT_SAVE_AS_POV, NULL);
+
+      dialogs_attach_dialog (G_OBJECT (gradient),
+                             SAVE_AS_POV_DIALOG_KEY, dialog);
+    }
+
+  gtk_window_present (GTK_WINDOW (dialog));
+}
+
+
+/*  private functions  */
+
+static void
+gradients_save_as_pov_ray_response (GtkWidget    *dialog,
+                                    gint          response_id,
+                                    GimpGradient *gradient)
+{
+  if (response_id == GTK_RESPONSE_OK)
+    {
+      GFile  *file  = gtk_file_chooser_get_file (GTK_FILE_CHOOSER (dialog));
+      GError *error = NULL;
+
+      if (! gimp_gradient_save_pov (gradient, file, &error))
+        {
+          gimp_message_literal (g_object_get_data (G_OBJECT (dialog), "gimp"),
+                                G_OBJECT (dialog), GIMP_MESSAGE_ERROR,
+                                error->message);
+          g_clear_error (&error);
+          g_object_unref (file);
+          return;
+        }
+
+      g_object_unref (file);
+    }
+
+  gtk_widget_destroy (dialog);
+}