[gimp] libgimp: bug fixes and design improvements for generated widgets.

[Jehan <jehanp src gnome org>]

commit 5fa38d5765a95e0fa0e9ba4bd448b7f6ecfbf0ff
Author: Jehan <jehan girinstud io>
Date:   Fri Nov 20 00:06:27 2020 +0100

    libgimp: bug fixes and design improvements for generated widgets.

 libgimp/gimpproceduredialog.c       | 13 +++++++------
 libgimpwidgets/gimplabelintwidget.c |  3 +++
 2 files changed, 10 insertions(+), 6 deletions(-)
---
diff --git a/libgimp/gimpproceduredialog.c b/libgimp/gimpproceduredialog.c
index 7dfbfdb745..3b29a43fe0 100644
--- a/libgimp/gimpproceduredialog.c
+++ b/libgimp/gimpproceduredialog.c
@@ -139,11 +139,6 @@ gimp_procedure_dialog_dispose (GObject *object)
   g_clear_pointer (&dialog->priv->reset_popover, gtk_widget_destroy);
   g_clear_pointer (&dialog->priv->widgets, g_hash_table_unref);
 
-  if (dialog->priv->widgets)
-    {
-      g_hash_table_destroy (dialog->priv->widgets);
-      dialog->priv->widgets = NULL;
-    }
   g_clear_object (&dialog->priv->label_group);
 
   G_OBJECT_CLASS (parent_class)->dispose (object);
@@ -400,6 +395,10 @@ gimp_procedure_dialog_get_widget (GimpProcedureDialog *dialog,
           buffer = gimp_prop_text_buffer_new (G_OBJECT (dialog->priv->config),
                                               property, -1);
           widget = gtk_text_view_new_with_buffer (buffer);
+          gtk_text_view_set_top_margin (GTK_TEXT_VIEW (widget), 3);
+          gtk_text_view_set_bottom_margin (GTK_TEXT_VIEW (widget), 3);
+          gtk_text_view_set_left_margin (GTK_TEXT_VIEW (widget), 3);
+          gtk_text_view_set_right_margin (GTK_TEXT_VIEW (widget), 3);
           g_object_unref (buffer);
         }
       else if (widget_type == GTK_TYPE_ENTRY)
@@ -911,7 +910,7 @@ gimp_procedure_dialog_fill_frame (GimpProcedureDialog *dialog,
       return frame;
     }
 
-  frame = gtk_frame_new (NULL);
+  frame = gimp_frame_new (NULL);
 
   if (contents_id)
     {
@@ -923,6 +922,7 @@ gimp_procedure_dialog_fill_frame (GimpProcedureDialog *dialog,
           return frame;
         }
 
+      g_object_ref (contents);
       gtk_container_add (GTK_CONTAINER (frame), contents);
       gtk_widget_show (contents);
     }
@@ -937,6 +937,7 @@ gimp_procedure_dialog_fill_frame (GimpProcedureDialog *dialog,
           return frame;
         }
 
+      g_object_ref (title);
       gtk_frame_set_label_widget (GTK_FRAME (frame), title);
       gtk_widget_show (title);
 
diff --git a/libgimpwidgets/gimplabelintwidget.c b/libgimpwidgets/gimplabelintwidget.c
index 50033f07e3..9f82a0330d 100644
--- a/libgimpwidgets/gimplabelintwidget.c
+++ b/libgimpwidgets/gimplabelintwidget.c
@@ -144,6 +144,9 @@ gimp_label_int_widget_constructed (GObject *object)
 
   G_OBJECT_CLASS (parent_class)->constructed (object);
 
+  gtk_grid_set_column_spacing (GTK_GRID (widget), 6);
+  gtk_grid_set_row_spacing (GTK_GRID (widget), 6);
+
   /* This is important to make this object into a property widget. It
    * will allow config object to bind the "value" property of this
    * widget, and therefore be updated automatically.