Made ~ view all IPO's (similar to view all layers in the 3d view)

source/blender/include/blendef.h

@@ -247,6 +247,7 @@
 #define B_IPO_ACTION_OB		213
 #define B_IPO_ACTION_KEY	214
 #define B_IPOVIEWCENTER		215
+#define B_IPOVIEWALL		216
 
 
 /* OOPS: 250 */

source/blender/src/header_ipo.c

@@ -1155,7 +1155,14 @@ void do_ipo_buttons(short event)
 			}
 		}
 		break;
-	} 
+	case B_IPOVIEWALL:
+		/* set visible active */
+		for(a=0, ei=G.sipo->editipo; a<G.sipo->totipo; a++, ei++) {
+			if (ei->icu)	ei->flag |= IPO_VISIBLE;
+			else			ei->flag &= ~IPO_VISIBLE;
+		}
+		break;
+	}
 }
 
 void ipo_buttons(void)

source/blender/src/space.c

@@ -2882,6 +2882,13 @@ static void winqreadipospace(ScrArea *sa, void *spacedata, BWinEvent *evt)
 				allqueue(REDRAWSOUND, 0);
 			}
 			break;
+		case ACCENTGRAVEKEY:
+			if((G.qual==0)) {
+				do_ipo_buttons(B_IPOVIEWALL);
+				allqueue(REDRAWIPO, 0);
+			}
+			break;
+			
 		}
 	}