[gimp/gimp-2-10] app: in the gradient tool, halt gradient editor before committing filter



commit 7547df54dd544cdc080d3d958e0f85bd71961605
Author: Ell <ell_se yahoo com>
Date:   Sat Jan 12 04:48:17 2019 -0500

    app: in the gradient tool, halt gradient editor before committing filter
    
    In the gradient tool, halt the gradient editor before committing
    the filter, so that its image-flush idle source is removed before
    applying the operation, to avoid flushing the image, and hence
    restarting its projection rendering, during application.
    
    (cherry picked from commit 2256ab22f755dc181d86c193380399d54b08ca4c)

 app/tools/gimpgradienttool.c | 6 ++++++
 1 file changed, 6 insertions(+)
---
diff --git a/app/tools/gimpgradienttool.c b/app/tools/gimpgradienttool.c
index 741a68e22d..cbc7cc5c95 100644
--- a/app/tools/gimpgradienttool.c
+++ b/app/tools/gimpgradienttool.c
@@ -725,6 +725,12 @@ gimp_gradient_tool_commit (GimpGradientTool *gradient_tool)
 
   if (gradient_tool->filter)
     {
+      /* halt the editor before committing the filter so that the image-flush
+       * idle source is removed, to avoid flushing the image, and hence
+       * restarting the projection rendering, while applying the filter.
+       */
+      gimp_gradient_tool_editor_halt (gradient_tool);
+
       gimp_tool_control_push_preserve (tool->control, TRUE);
 
       gimp_drawable_filter_commit (gradient_tool->filter,


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