app, cursors: add a cursor for the warp tool

... and use it instead of the perspective tool cursor.

Disable the cursor modifiers for now, since they're not really
meaningful.

app/tools/gimpwarptool.c

@@ -195,7 +195,7 @@ gimp_warp_tool_init (GimpWarpTool *self)
                                          GIMP_DIRTY_ACTIVE_DRAWABLE);
   gimp_tool_control_set_wants_click     (tool->control, TRUE);
   gimp_tool_control_set_tool_cursor     (tool->control,
-                                         GIMP_TOOL_CURSOR_PERSPECTIVE);
+                                         GIMP_TOOL_CURSOR_WARP);
   gimp_tool_control_set_action_size     (tool->control,
                                          "tools/tools-warp-effect-size-set");
   gimp_tool_control_set_action_hardness (tool->control,
@@ -435,7 +435,7 @@ gimp_warp_tool_cursor_update (GimpTool         *tool,
 {
   GimpWarpTool       *wt       = GIMP_WARP_TOOL (tool);
   GimpWarpOptions    *options  = GIMP_WARP_TOOL_GET_OPTIONS (tool);
-  GimpCursorModifier  modifier = GIMP_CURSOR_MODIFIER_PLUS;
+  GimpCursorModifier  modifier = GIMP_CURSOR_MODIFIER_NONE;
 
   if (! gimp_warp_tool_can_stroke (wt, display, FALSE))
     {
@@ -443,6 +443,7 @@ gimp_warp_tool_cursor_update (GimpTool         *tool,
     }
   else if (display == tool->display)
     {
+#if 0
       /* FIXME have better cursors  */
 
       switch (options->behavior)
@@ -457,6 +458,7 @@ gimp_warp_tool_cursor_update (GimpTool         *tool,
           modifier = GIMP_CURSOR_MODIFIER_MOVE;
           break;
         }
+#endif
     }
 
   gimp_tool_control_set_cursor_modifier (tool->control, modifier);

app/widgets/gimpcursor.c

@@ -192,6 +192,7 @@ static GimpCursor gimp_tool_cursors[] =
   { "tool-dodge.png" },
   { "tool-burn.png" },
   { "tool-measure.png" },
+  { "tool-warp.png" },
   { "tool-hand.png" }
 };
 

app/widgets/widgets-enums.h

@@ -262,6 +262,7 @@ typedef enum  /*< skip >*/
   GIMP_TOOL_CURSOR_DODGE,
   GIMP_TOOL_CURSOR_BURN,
   GIMP_TOOL_CURSOR_MEASURE,
+  GIMP_TOOL_CURSOR_WARP,
   GIMP_TOOL_CURSOR_HAND,
   GIMP_TOOL_CURSOR_LAST
 } GimpToolCursorType;

cursors/Makefile.am

@@ -75,6 +75,7 @@ CURSOR_IMAGES = \
 	tool-shear.png				\
 	tool-smudge.png				\
 	tool-text.png				\
+	tool-warp.png				\
 	tool-zoom.png
 
 COLOR_PICKER_IMAGES = \