CKEY in the action window scrolls the window so that the current frame

is in the center.

3 files changed, 29 insertions, 0 deletions

diff --git a/source/blender/include/BSE_drawipo.h b/source/blender/include/BSE_drawipo.h
index 65545441ff8..17c53fc6e2d 100644
--- a/source/blender/include/BSE_drawipo.h
+++ b/source/blender/include/BSE_drawipo.h
@@ -59,6 +59,7 @@ int in_ipo_buttons(void);
 void drawscroll(int disptype);
 void drawipo(void);
 
+void center_currframe(void);
 void scroll_ipobuts(void);
 int view2dzoom(unsigned short event);
 int view2dmove(unsigned short event); 
diff --git a/source/blender/src/drawipo.c b/source/blender/src/drawipo.c
index d72799acbf0..4b7dbcab05f 100644
--- a/source/blender/src/drawipo.c
+++ b/source/blender/src/drawipo.c
@@ -1532,6 +1532,26 @@ int view2dzoom(unsigned short event)
   return 1;
 }
 
+void center_currframe(void)
+{
+	/* place the current frame in the
+	 * center of the 2D window.
+	 */
+	float width;
+  
+	areawinset(curarea->win);
+	curarea->head_swap= 0;
+
+	width = G.v2d->cur.xmax - G.v2d->cur.xmin;
+	G.v2d->cur.xmin = CFRA - 0.5*(width);
+	G.v2d->cur.xmax = CFRA + 0.5*(width);
+
+	test_view2d(G.v2d, curarea->winx, curarea->winy);
+	scrarea_do_windraw(curarea);
+	screen_swapbuffers();
+	curarea->head_swap= 0;
+}
+
 int view2dmove(unsigned short event)
 {
 	/* return 1 als er iets gedaan is */
diff --git a/source/blender/src/editaction.c b/source/blender/src/editaction.c
index e521d59e675..1289b44a0b0 100644
--- a/source/blender/src/editaction.c
+++ b/source/blender/src/editaction.c
@@ -1405,6 +1405,14 @@ void winqreadactionspace(unsigned short event, short val, char ascii)
 		case HOMEKEY:
 			do_action_buttons(B_ACTHOME);
 			break;
+
+		case CKEY:
+			/* scroll the window so the current
+			 * frame is in the center.
+			 */
+			center_currframe();
+			break;
+
 		case DKEY:
 			if (G.qual & LR_SHIFTKEY && mval[0]>ACTWIDTH){
 				duplicate_actionchannel_keys();