From 857b0c243cd025cdc2d30ed709c853ca1e5a8857 Mon Sep 17 00:00:00 2001
From: "vn.py" <xiaoyou.chen@foxmail.com>
Date: Fri, 11 Jan 2019 15:49:11 +0800
Subject: [PATCH] [Add] Double click order monitor cells to cancel order

---
 vnpy/trader/ui/widget.py | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/vnpy/trader/ui/widget.py b/vnpy/trader/ui/widget.py
index 91327d72..1757619a 100644
--- a/vnpy/trader/ui/widget.py
+++ b/vnpy/trader/ui/widget.py
@@ -507,6 +507,24 @@ class OrderMonitor(BaseMonitor):
         }
     }
 
+    def init_ui(self):
+        """
+        Connect signal.
+        """
+        super(OrderMonitor, self).init_ui()
+
+        self.setToolTip("双击单元格撤单")
+        self.itemDoubleClicked.connect(self.cancel_order)
+
+    def cancel_order(self, cell):
+        """
+        Cancel order if cell double clicked.
+        """
+        order = cell.get_data()
+        req = order.create_cancel_request()
+        self.main_engine.cancel_order(req, order.gateway_name)
+
+
 class PositionMonitor(BaseMonitor):
     """
     Monitor for position data.