erdZddlZddlmZmZmZejdZejdejZ e jjdZe jjdZd Zej"j%ed Zej"j%eGd d ej(Zed Ze j/eedZej3eej5ddej7dedk(rej:yy)a Demonstrates adding a custom context menu to a GraphicsItem and extending the context menu of a ViewBox. PyQtGraph implements a system that allows each item in a scene to implement its own context menu, and for the menus of its parent items to be automatically displayed as well. N)QtCoreQtGui QtWidgetsT)showzpyqtgraph example: context menuz Zoom to box 1z Zoom to box 2c:tjtgyN)items)view autoRangebox1@/usr/lib/python3/dist-packages/pyqtgraph/examples/contextMenu.pyzoomTo1rNN$N rc:tjtgyr)r r box2r rrzoomTo2rrrcHeZdZdZdZdZdZdZdZd dZ d Z d Z d Z y) MenuBoxz This class draws a rectangular area. Right-clicking inside the area will raise a custom context menu which also includes the context menus of its parents. c||_tjd|_d|_tj j |y)Nr)namepgmkPenpenmenuGraphicsObject__init__)selfrs rrzMenuBox.__init__,s7 88C=  ""4(rc2tjddddS)Nr )rQRectFr s r boundingRectzMenuBox.boundingRect:s}}Q2r**rcx|j|j|j|jyN)setPenrdrawRectr%)r pargss rpaintz MenuBox.paint=s'  4$$&'rc|jtjjjk(r#|j |r|j yyyr')buttonrQt MouseButton RightButtonraiseContextMenuaccept)r evs rmouseClickEventzMenuBox.mouseClickEventCsA 99;&))//;; ;$$R( ) rvs11b4(45 ~~ O, O,! ! U bU r} T}4 Aq c z BGGIr