mark bg color

main.py

@@ -96,6 +96,7 @@ class NoteEditor(QtWidgets.QPlainTextEdit):
     自定义编辑器：
     - Shift+Enter 插入换行
     - Enter (无 Shift) 触发保存（emit save_requested 信号）
+    - 右键菜单设置背景色（绿色、红色、黄色、移除）
     """
     save_requested = QtCore.Signal()
 
@@ -104,6 +105,10 @@ class NoteEditor(QtWidgets.QPlainTextEdit):
         # 可选：设置合适的样式/行高
         self.setTabChangesFocus(False)
         self.setPlaceholderText("按 Enter 保存（Shift+Enter 换行）")
+        # 右键菜单
+        self.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)
+        self.customContextMenuRequested.connect(self._show_bg_menu)
+        self.bg_color = ""  # 可选值: "", "green", "red", "yellow"
 
     def keyPressEvent(self, event: QtGui.QKeyEvent):
         if event.key() in (QtCore.Qt.Key_Return, QtCore.Qt.Key_Enter):
@@ -119,6 +124,38 @@ class NoteEditor(QtWidgets.QPlainTextEdit):
             return
         super().keyPressEvent(event)
 
+    def _show_bg_menu(self, pos):
+        menu = QtWidgets.QMenu(self)
+        green_action = menu.addAction("设置绿色背景")
+        red_action = menu.addAction("设置红色背景")
+        yellow_action = menu.addAction("设置黄色背景")
+        menu.addSeparator()
+        clear_action = menu.addAction("移除背景色")
+        action = menu.exec(self.mapToGlobal(pos))
+        if action == green_action:
+            self.setStyleSheet("background-color: #234d2a; color: #e0e0e0;")
+            self.bg_color = "green"
+        elif action == red_action:
+            self.setStyleSheet("background-color: #4d2323; color: #e0e0e0;")
+            self.bg_color = "red"
+        elif action == yellow_action:
+            self.setStyleSheet("background-color: #4d4d23; color: #e0e0e0;")
+            self.bg_color = "yellow"
+        elif action == clear_action:
+            self.setStyleSheet("")
+            self.bg_color = ""
+
+    def set_bg_color(self, color):
+        """用于初始化时恢复背景色"""
+        self.bg_color = color
+        if color == "green":
+            self.setStyleSheet("background-color: #234d2a; color: #e0e0e0;")
+        elif color == "red":
+            self.setStyleSheet("background-color: #4d2323; color: #e0e0e0;")
+        elif color == "yellow":
+            self.setStyleSheet("background-color: #4d4d23; color: #e0e0e0;")
+        else:
+            self.setStyleSheet("")
 
 class ImageRowWidget(QtWidgets.QWidget):
     """每一行的组合组件：缩略图 + 多个 NoteEditor"""
@@ -154,6 +191,9 @@ class ImageRowWidget(QtWidgets.QWidget):
             # 初始化内容（如果没有该项目，则为空）
             editor.setPlainText(self.note_dict.get(proj, ""))
             editor.setMinimumHeight(80)
+            # 恢复背景色
+            bg = self.note_dict.get(f"{proj}_bg", "")
+            editor.set_bg_color(bg)
             # 当触发保存信号时，调用保存回调（只保存当前图片）
             editor.save_requested.connect(partial(self._on_save_requested))
             self.editors[proj] = editor
@@ -175,11 +215,12 @@ class ImageRowWidget(QtWidgets.QWidget):
             return None
 
     def collect_notes(self):
-        """收集当前编辑器里所有项目字段，返回 dict"""
+        """收集当前编辑器里所有项目字段和背景色，返回 dict"""
         d = {}
         for proj, editor in self.editors.items():
             text = editor.toPlainText().strip()
             d[proj] = text
+            d[f"{proj}_bg"] = editor.bg_color
         return d
 
     @QtCore.Slot()
@@ -198,8 +239,8 @@ class ImageRowWidget(QtWidgets.QWidget):
             QtWidgets.QMessageBox.warning(self, "保存失败", f"图片 {self.filename} 写入失败：\n{err}")
 
     def _clear_editor_styles(self):
-        for editor in self.editors.values():
+        for proj, editor in self.editors.items():
-            editor.setStyleSheet("")
+            editor.set_bg_color(editor.bg_color)
 
 
 class MainWindow(QtWidgets.QMainWindow):