[gimp] gimpwarptool: start the tool if the cursor is over an image and not started somewhere else

[Michael Natterer <mitch src gnome org>]

commit e6d05c63524e458145983a7133093b8c5317f45b
Author: Michael Muré <batolettre gmail com>
Date:   Fri Jun 3 23:53:39 2011 +0200

    gimpwarptool: start the tool if the cursor is over an image and not started somewhere else

 app/tools/gimpwarptool.c |   18 ++++++++++++++----
 1 files changed, 14 insertions(+), 4 deletions(-)
---
diff --git a/app/tools/gimpwarptool.c b/app/tools/gimpwarptool.c
index c063c5a..27b539d 100644
--- a/app/tools/gimpwarptool.c
+++ b/app/tools/gimpwarptool.c
@@ -330,12 +330,22 @@ gimp_warp_tool_oper_update (GimpTool         *tool,
   GimpWarpTool *wt        = GIMP_WARP_TOOL (tool);
   GimpDrawTool *draw_tool = GIMP_DRAW_TOOL (tool);
 
-  gimp_draw_tool_pause (draw_tool);
+  if (!gimp_draw_tool_is_active (draw_tool))
+    {
+      gimp_warp_tool_start (wt, display);
+    }
+  else
+    {
+      if (display == tool->display)
+        {
+          gimp_draw_tool_pause (draw_tool);
 
-  wt->cursor_x        = coords->x;
-  wt->cursor_y        = coords->y;
+          wt->cursor_x        = coords->x;
+          wt->cursor_y        = coords->y;
 
-  gimp_draw_tool_resume (draw_tool);
+          gimp_draw_tool_resume (draw_tool);
+        }
+    }
 }
 
 static void