[#20700] Transformation Increments

Patch by Jonathan Smith

When using numerical input, up and down arrow keys increment and decrement the value by the transform increment amount (grid for grab and so on).

3 files changed, 10 insertions, 4 deletions

diff --git a/source/blender/editors/transform/transform.c b/source/blender/editors/transform/transform.c
index 5e833708751..864c816a8f4 100644
--- a/source/blender/editors/transform/transform.c
+++ b/source/blender/editors/transform/transform.c
@@ -954,7 +954,7 @@ int transformEvent(TransInfo *t, wmEvent *event)
 		}
 
 		// Numerical input events
-		t->redraw |= handleNumInput(&(t->num), event);
+		t->redraw |= handleNumInput(&(t->num), event, t->snap[1]);
 
 		// NDof input events
 		switch(handleNDofInput(&(t->ndof), event))
diff --git a/source/blender/editors/transform/transform.h b/source/blender/editors/transform/transform.h
index fd4f67f4f27..aae317fe5c1 100644
--- a/source/blender/editors/transform/transform.h
+++ b/source/blender/editors/transform/transform.h
@@ -677,7 +677,7 @@ void initNumInput(NumInput *n);
 void outputNumInput(NumInput *n, char *str);
 short hasNumInput(NumInput *n);
 void applyNumInput(NumInput *n, float *vec);
-char handleNumInput(NumInput *n, struct wmEvent *event);
+char handleNumInput(NumInput *n, struct wmEvent *event, float increment);
 
 /*********************** NDofInput ********************************/
 
diff --git a/source/blender/editors/transform/transform_numinput.c b/source/blender/editors/transform/transform_numinput.c
index f5f1d5fac9e..e1e86af8a12 100644
--- a/source/blender/editors/transform/transform_numinput.c
+++ b/source/blender/editors/transform/transform_numinput.c
@@ -22,7 +22,7 @@
  *
  * The Original Code is: all of this file.
  *
- * Contributor(s): none yet.
+ * Contributor(s): Jonathan Smith
  *
  * ***** END GPL LICENSE BLOCK *****
  */
@@ -159,12 +159,18 @@ void applyNumInput(NumInput *n, float *vec)
 	}
 }
 
-char handleNumInput(NumInput *n, wmEvent *event)
+char handleNumInput(NumInput *n, wmEvent *event, float increment)
 {
 	float Val = 0;
 	short idx = n->idx, idx_max = n->idx_max;
 
 	switch (event->type) {
+    case DOWNARROWKEY: /* Increments down*/
+         n->val[idx] -= increment;
+         break;
+    case UPARROWKEY: /* Increments up*/
+         n->val[idx] += increment;
+         break;
 	case BACKSPACEKEY:
 		if (n->ctrl[idx] == 0) {
 			n->val[0]		=