[gimp] app: fix rectangle-select tool rounded-corners option

[Ell <ell src gnome org>]

commit a4726960126fa6a6ab887abd79d8de96bc02525c
Author: Ell <ell_se yahoo com>
Date:   Mon Jan 21 11:36:22 2019 -0500

    app: fix rectangle-select tool rounded-corners option
    
    In GimpToolRectangle, fix the type of the cornder_radius field, so
    that non-integer radii are properly displayed.
    
    In GimpRectangleSelectOptions and GimpToolRectangle, increase the
    maximal corner radius.

 app/display/gimptoolrectangle.c        | 4 ++--
 app/tools/gimprectangleselectoptions.c | 6 +++++-
 2 files changed, 7 insertions(+), 3 deletions(-)
---
diff --git a/app/display/gimptoolrectangle.c b/app/display/gimptoolrectangle.c
index 97c5d058f7..3cecea008d 100644
--- a/app/display/gimptoolrectangle.c
+++ b/app/display/gimptoolrectangle.c
@@ -222,7 +222,7 @@ struct _GimpToolRectanglePrivate
 
   /* Whether to draw round corners */
   gboolean                round_corners;
-  gboolean                corner_radius;
+  gdouble                 corner_radius;
 
   /* The title for the statusbar coords */
   gchar                  *status_title;
@@ -556,7 +556,7 @@ gimp_tool_rectangle_class_init (GimpToolRectangleClass *klass)
   g_object_class_install_property (object_class, PROP_CORNER_RADIUS,
                                    g_param_spec_double ("corner-radius",
                                                         NULL, NULL,
-                                                        0.0, 1000.0, 5.0,
+                                                        0.0, 10000.0, 10.0,
                                                         GIMP_PARAM_READWRITE |
                                                         G_PARAM_CONSTRUCT));
 
diff --git a/app/tools/gimprectangleselectoptions.c b/app/tools/gimprectangleselectoptions.c
index cdb88b415f..ea8f0dae97 100644
--- a/app/tools/gimprectangleselectoptions.c
+++ b/app/tools/gimprectangleselectoptions.c
@@ -28,6 +28,7 @@
 #include "core/gimptoolinfo.h"
 
 #include "widgets/gimppropwidgets.h"
+#include "widgets/gimpspinscale.h"
 
 #include "gimprectangleoptions.h"
 #include "gimprectangleselectoptions.h"
@@ -99,7 +100,7 @@ gimp_rectangle_select_options_class_init (GimpRectangleSelectOptionsClass *klass
                            "corner-radius",
                            _("Radius"),
                            _("Radius of rounding in pixels"),
-                           0.0, 100.0, 5.0,
+                           0.0, 10000.0, 10.0,
                            GIMP_PARAM_STATIC_STRINGS);
 
   gimp_rectangle_options_install_properties (object_class);
@@ -173,6 +174,9 @@ gimp_rectangle_select_options_gui (GimpToolOptions *tool_options)
 
       scale = gimp_prop_spin_scale_new (config, "corner-radius", NULL,
                                         1.0, 10.0, 1);
+      gimp_spin_scale_set_scale_limits (GIMP_SPIN_SCALE (scale),
+                                        0.0, 1000.0);
+      gimp_spin_scale_set_gamma (GIMP_SPIN_SCALE (scale), 1.7);
 
       frame = gimp_prop_expanding_frame_new (config, "round-corners", NULL,
                                              scale, NULL);