OverlayWndProc: Fix rendering issue, allow Esc to cancel

git-svn-id: svn://vcs.sdm.2ki.xyz/Grabby/trunk@11 27729192-006e-004d-b9b5-06fbd0ef7001

Overlay.c

@@ -187,7 +187,11 @@ OverlayWndProc(HWND hWnd,
 				(ptCur.y != ptStart.y))
 			{
 				RECT rcPrevDmg = POINT2RECT(ptStart, ptPrev);
-				// InvalidateRect(hWnd, &rcCurDmg, TRUE);
+				// Expand out a little bit to contain the focus rect
+				rcPrevDmg.left--;
+				rcPrevDmg.right++;
+				rcPrevDmg.top--;
+				rcPrevDmg.bottom++;
 				InvalidateRect(hWnd, &rcPrevDmg, TRUE);
 			}
 
@@ -211,8 +215,10 @@ OverlayWndProc(HWND hWnd,
 		}
 		break;
 	case WM_KEYUP:
-		// TODO: Escape
+		if (wParam != VK_ESCAPE) {
 			break;
+		}
+		/* PASSTHRU */
 	case WM_RBUTTONUP:
 		// We treat right click as Escape
 		PostQuitMessage(1);