Add per-position manual stop-loss edit, separate from break-even.

Co-authored-by: Cursor <cursoragent@cursor.com>

desktop/gold_order_app.py

@@ -831,6 +831,61 @@ class Mt5Bridge:
             )
         raise TradeError(f"#{ticket} {last_detail or '改止损失败'}")
 
+    def set_stop_loss(self, ticket: int, new_sl: float) -> Tuple[str, dict]:
+        """手动改止损价（与保本无关）；保留原止盈。返回 (消息, 上报用 dict)。"""
+        p = self.get_position(int(ticket))
+        symbol = str(p.symbol)
+        pos_type = int(p.type)
+        digits = int(self.symbol_info(symbol).digits)
+        min_dist = self.min_stop_distance(symbol)
+        t = self.tick(symbol)
+        old_sl = float(p.sl)
+        new_sl = round(float(new_sl), digits)
+        if new_sl <= 1e-12:
+            raise TradeError("止损价必须大于 0")
+
+        if pos_type == mt5.POSITION_TYPE_BUY:
+            ref = float(t.bid)
+            if new_sl >= ref - 1e-12:
+                raise TradeError(
+                    f"多单止损须低于现价：现价 {ref:.{digits}f}，止损 {new_sl:.{digits}f}"
+                )
+            if ref - new_sl + 1e-12 < min_dist:
+                raise TradeError(
+                    f"止损过近：距现价 {ref - new_sl:.{digits}f}，至少 {min_dist:.{digits}f}"
+                )
+        else:
+            ref = float(t.ask)
+            if new_sl <= ref + 1e-12:
+                raise TradeError(
+                    f"空单止损须高于现价：现价 {ref:.{digits}f}，止损 {new_sl:.{digits}f}"
+                )
+            if new_sl - ref + 1e-12 < min_dist:
+                raise TradeError(
+                    f"止损过近：距现价 {new_sl - ref:.{digits}f}，至少 {min_dist:.{digits}f}"
+                )
+
+        applied = self.modify_position_sltp(int(ticket), new_sl, float(p.tp))
+        msg = (
+            f"#{ticket} 止损已改 "
+            f"{(f'{old_sl:.{digits}f}' if old_sl > 0 else '无')}→{applied:.{digits}f}"
+        )
+        report = {
+            "ticket": str(ticket),
+            "symbol": symbol,
+            "side": "buy" if pos_type == mt5.POSITION_TYPE_BUY else "sell",
+            "volume": float(p.volume),
+            "open_price": float(p.price_open),
+            "close_price": None,
+            "open_time": float(p.time),
+            "close_time": None,
+            "profit": float(p.profit) + float(p.swap),
+            "sl": float(applied),
+            "tp": float(p.tp),
+            "snapshot": {"event": "modify_sl"},
+        }
+        return msg, report
+
     def break_even_tickets(self, tickets: list, offset_usd: float = 1.0) -> Tuple[str, list]:
         """保本：多单 SL=开仓价+offset，空单 SL=开仓价-offset。返回 (消息, 成功单号列表)。"""
         if not tickets:
@@ -1204,7 +1259,7 @@ class OrderApp(tk.Tk):
             ("止损", 12),
             ("止盈", 12),
             ("浮盈", 9),
-            ("操作", 10),
+            ("操作", 16),
         ]
         # 持仓区固定为 5 行可视高度，超出可滚动
         pos_wrap = tk.Frame(
@@ -1253,7 +1308,7 @@ class OrderApp(tk.Tk):
             text=(
                 f"最多同时 {MAX_OPEN_POSITIONS} 笔 · 同向≤{MAX_SIDE_LOTS:.2f} 手 · "
                 f"点差>{SPREAD_WARN_USD:.2f} 买卖提示 · "
-                "亏≥5%或盈≥10%禁止开仓 · 保本：价格有利≥3$ 后止损到开仓价±1$（看价格距离，非账户浮盈）"
+                "亏≥5%或盈≥10%禁止开仓 · 持仓「改止损」可手动设价 · 保本：有利≥3$ 后止损到开仓价±1$"
             ),
             bg=COLOR_BG,
             fg=COLOR_MUTED,
@@ -1464,27 +1519,44 @@ class OrderApp(tk.Tk):
         except Exception:
             pass
 
-    def _mk_close_btn(self, parent, ticket: int) -> tk.Frame:
-        """红色边框的平仓按钮。"""
-        border = tk.Frame(parent, bg=COLOR_DANGER, padx=1, pady=1)
+    def _mk_outline_btn(
+        self, parent, text: str, color: str, command, padx: int = 8
+    ) -> tk.Frame:
+        border = tk.Frame(parent, bg=color, padx=1, pady=1)
         btn = tk.Button(
             border,
-            text="平仓",
-            command=lambda t=ticket: self._close_ticket_now(t),
-            fg=COLOR_DANGER,
+            text=text,
+            command=command,
+            fg=color,
             bg="#2b2b2b",
             activeforeground="#ffffff",
-            activebackground="#a02828",
+            activebackground=color,
             relief=tk.FLAT,
             bd=0,
             font=("Microsoft YaHei UI", 10, "bold"),
-            padx=10,
+            padx=padx,
             pady=2,
             cursor="hand2",
         )
         btn.pack()
         return border
 
+    def _mk_close_btn(self, parent, ticket: int) -> tk.Frame:
+        """红色边框的平仓按钮。"""
+        return self._mk_outline_btn(
+            parent, "平仓", COLOR_DANGER, lambda t=ticket: self._close_ticket_now(t)
+        )
+
+    def _mk_edit_sl_btn(self, parent, ticket: int) -> tk.Frame:
+        """手动改止损（与保本独立）。"""
+        return self._mk_outline_btn(
+            parent,
+            "改止损",
+            COLOR_ACCENT,
+            lambda t=ticket: self._edit_sl_now(t),
+            padx=6,
+        )
+
     @staticmethod
     def _pos_profit(p) -> float:
         return float(p.profit) + float(p.swap)
@@ -2106,7 +2178,8 @@ class OrderApp(tk.Tk):
 
             btn_wrap = tk.Frame(row, bg=bg)
             btn_wrap.grid(row=0, column=len(cells), sticky="nsew", padx=4, pady=3)
-            self._mk_close_btn(btn_wrap, ticket).pack(anchor="center")
+            self._mk_edit_sl_btn(btn_wrap, ticket).pack(side=tk.LEFT, padx=(0, 4))
+            self._mk_close_btn(btn_wrap, ticket).pack(side=tk.LEFT)
             row.bind("<Button-1>", lambda e, t=ticket: self._toggle_ticket_select(t))
 
         if not live:
@@ -2130,6 +2203,71 @@ class OrderApp(tk.Tk):
 
         self._run_async(work)
 
+    def _edit_sl_now(self, ticket: int) -> None:
+        """弹窗输入实际止损价，与保本逻辑无关。"""
+        try:
+            self.bridge.connect()
+            p = self.bridge.get_position(int(ticket))
+            digits = int(self.bridge.symbol_info(str(p.symbol)).digits)
+            open_price = float(p.price_open)
+            cur_sl = float(p.sl)
+            side = "多" if int(p.type) == mt5.POSITION_TYPE_BUY else "空"
+            cur_txt = f"{cur_sl:.{digits}f}" if cur_sl > 0 else "无"
+            prompt = (
+                f"单号 #{ticket}（{side}）\n"
+                f"开仓价 {open_price:.{digits}f}\n"
+                f"当前止损 {cur_txt}\n\n"
+                f"请输入新的止损价（与保本无关，按实际价格设置）："
+            )
+            initial = cur_sl if cur_sl > 0 else open_price
+            new_sl = simpledialog.askfloat(
+                "改止损",
+                prompt,
+                initialvalue=round(initial, digits),
+                minvalue=0.01,
+                parent=self,
+            )
+            if new_sl is None:
+                return
+        except TradeError as exc:
+            self.set_status(str(exc), ok=False)
+            return
+        except Exception as exc:  # noqa: BLE001
+            self.set_status(f"改止损异常：{exc}", ok=False)
+            return
+
+        def work():
+            self.bridge.connect()
+            return self.bridge.set_stop_loss(int(ticket), float(new_sl))
+
+        def after_ok(msg: str) -> None:
+            self.set_status(msg, ok=True)
+            self._pos_sig = None
+            try:
+                symbol = self._symbol()
+                d = int(self.bridge.symbol_info(symbol).digits)
+                self._refresh_positions(symbol, d)
+            except Exception:
+                pass
+
+        def runner():
+            try:
+                msg, report = work()
+                self.after(0, lambda m=msg: after_ok(m))
+                self.after(0, lambda r=report: self._hub_report(r, with_bars=False))
+            except TradeError as exc:
+                self.after(0, lambda: self.set_status(str(exc), ok=False))
+            except Exception as exc:  # noqa: BLE001
+                self.after(0, lambda: self.set_status(f"改止损异常：{exc}", ok=False))
+            finally:
+                self.after(0, self._done)
+
+        if self._busy:
+            self.set_status("上一次操作还未完成", ok=False)
+            return
+        self._busy = True
+        threading.Thread(target=runner, daemon=True).start()
+
     def on_buy(self) -> None:
         self._order(mt5.ORDER_TYPE_BUY, "买入")