[gimp] app: simplify gimp_transform_tool_modifier_key()

[Michael Natterer <mitch src gnome org>]

commit 0a5251c97a7309a6d842766f1c0cc55b9a57e667
Author: Michael Natterer <mitch gimp org>
Date:   Sat Jul 15 19:15:59 2017 +0200

    app: simplify gimp_transform_tool_modifier_key()
    
    No need to have n g_object_set() to set n properties, use one call
    instead.

 app/tools/gimptransformtool.c |   32 ++++++++------------------------
 1 files changed, 8 insertions(+), 24 deletions(-)
---
diff --git a/app/tools/gimptransformtool.c b/app/tools/gimptransformtool.c
index e914e5c..f3971f5 100644
--- a/app/tools/gimptransformtool.c
+++ b/app/tools/gimptransformtool.c
@@ -451,35 +451,19 @@ gimp_transform_tool_modifier_key (GimpTool        *tool,
   if (key == gimp_get_constrain_behavior_mask ())
     {
       g_object_set (options,
-                    "frompivot-scale", ! options->frompivot_scale,
-                    NULL);
-      g_object_set (options,
-                    "frompivot-shear", ! options->frompivot_shear,
-                    NULL);
-      g_object_set (options,
+                    "frompivot-scale",       ! options->frompivot_scale,
+                    "frompivot-shear",       ! options->frompivot_shear,
                     "frompivot-perspective", ! options->frompivot_perspective,
                     NULL);
     }
-
-  if (key == gimp_get_extend_selection_mask ())
+  else if (key == gimp_get_extend_selection_mask ())
     {
       g_object_set (options,
-                    "cornersnap", ! options->cornersnap,
-                    NULL);
-
-      g_object_set (options,
-                    "constrain-move", ! options->constrain_move,
-                    NULL);
-      g_object_set (options,
-                    "constrain-scale", ! options->constrain_scale,
-                    NULL);
-      g_object_set (options,
-                    "constrain-rotate", ! options->constrain_rotate,
-                    NULL);
-      g_object_set (options,
-                    "constrain-shear", ! options->constrain_shear,
-                    NULL);
-      g_object_set (options,
+                    "cornersnap",            ! options->cornersnap,
+                    "constrain-move",        ! options->constrain_move,
+                    "constrain-scale",       ! options->constrain_scale,
+                    "constrain-rotate",      ! options->constrain_rotate,
+                    "constrain-shear",       ! options->constrain_shear,
                     "constrain-perspective", ! options->constrain_perspective,
                     NULL);
     }