[gimp] plug-ins: update file-fli to use the GimpProcedureDialog generation.

[Jehan <jehanp src gnome org>]

commit 6b846b4600d5ce2eebd280a93e931f10c076e30c
Author: Jehan <jehan girinstud io>
Date:   Thu Nov 5 17:54:18 2020 +0100

    plug-ins: update file-fli to use the GimpProcedureDialog generation.
    
    Probably one of the simplest plug-in dialogs, with only few properties
    and all in the main box. So it's quite easy to port, even with the still
    limited generation API.

 plug-ins/file-fli/fli-gimp.c | 29 +++++++----------------------
 1 file changed, 7 insertions(+), 22 deletions(-)
---
diff --git a/plug-ins/file-fli/fli-gimp.c b/plug-ins/file-fli/fli-gimp.c
index c885873f63..4c91ab920b 100644
--- a/plug-ins/file-fli/fli-gimp.c
+++ b/plug-ins/file-fli/fli-gimp.c
@@ -949,8 +949,6 @@ save_dialog (GimpImage     *image,
              GObject       *config)
 {
   GtkWidget *dialog;
-  GtkWidget *grid;
-  GtkWidget *spinbutton;
   gint       n_frames;
   gboolean   run;
 
@@ -964,31 +962,18 @@ save_dialog (GimpImage     *image,
   dialog = gimp_procedure_dialog_new (procedure,
                                       GIMP_PROCEDURE_CONFIG (config),
                                       _("Export Image as FLI Animation"));
-
-  grid = gtk_grid_new ();
-  gtk_container_set_border_width (GTK_CONTAINER (grid), 12);
-  gtk_grid_set_row_spacing (GTK_GRID (grid), 6);
-  gtk_grid_set_column_spacing (GTK_GRID (grid), 6);
-  gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))),
-                      grid, FALSE, FALSE, 0);
-  gtk_widget_show (grid);
-
   /*
    * Maybe I add on-the-fly RGB conversion, to keep palettechanges...
    * But for now you can set a start- and a end-frame:
    */
 
-  spinbutton = gimp_prop_spin_button_new (config, "from-frame",
-                                          1, 10, 0);
-  gimp_grid_attach_aligned (GTK_GRID (grid), 0, 0,
-                            C_("frame-range", "_From:"), 0.0, 0.5,
-                            spinbutton, 1);
-
-  spinbutton = gimp_prop_spin_button_new (config, "to-frame",
-                                          1, 10, 0);
-  gimp_grid_attach_aligned (GTK_GRID (grid), 0, 1,
-                            C_("frame-range", "_To:"), 0.0, 0.5,
-                            spinbutton, 1);
+  gimp_labeled_set_text (GIMP_LABELED (gimp_procedure_dialog_get_widget (GIMP_PROCEDURE_DIALOG (dialog),
+                                                                         "from-frame", 
GIMP_TYPE_LABEL_SPIN)),
+                         "_From:");
+  gimp_labeled_set_text (GIMP_LABELED (gimp_procedure_dialog_get_widget (GIMP_PROCEDURE_DIALOG (dialog),
+                                                                         "to-frame", GIMP_TYPE_LABEL_SPIN)),
+                         "_To:");
+  gimp_procedure_dialog_populate (GIMP_PROCEDURE_DIALOG (dialog), NULL);
 
   gtk_widget_show (dialog);