完善提问模块

ui/components/widget.py

@@ -1,4 +1,11 @@
-from PySide6.QtWidgets import QFrame
+from PySide6.QtWidgets import QApplication, QWidget, QLabel, QPushButton, QVBoxLayout, QFrame
+from PySide6.QtCore import QTimer, Qt, Signal
+import sys
+import random
+
+from qfluentwidgets import DisplayLabel
+
+from module.picker.schema import PickerStudent
 
 
 class Widget(QFrame):
@@ -7,3 +14,44 @@ class Widget(QFrame):
         super().__init__(parent=parent)
         # 必须给子界面设置全局唯一的对象名
         self.setObjectName(key.replace(' ', '-'))
+
+
+class RollingTextWidget(QWidget):
+    finishSignal = Signal()
+
+    def __init__(self, parent=None):
+        super().__init__(parent)
+        self.current_index = 0
+        self.items = []
+
+        self.label = DisplayLabel("", self)
+        self.label.setAlignment(Qt.AlignCenter)
+
+        self.layout = QVBoxLayout()
+        self.layout.addWidget(self.label)
+        self.setLayout(self.layout)
+
+        self.rolling_timer = QTimer(self)
+        self.rolling_timer.setInterval(50)  # 滚动速度（毫秒）
+        self.rolling_timer.timeout.connect(self.update_text)
+
+        self.stop_timer = QTimer(self)
+        self.stop_timer.setSingleShot(True)
+        self.stop_timer.timeout.connect(self.stop_rolling)
+
+    def update_text(self):
+        # 每次显示下一个字符
+        self.current_index = (self.current_index + 1) % len(self.items)
+        self.label.setText(self.items[self.current_index].name)
+
+    def start_rolling(self):
+        if not self.rolling_timer.isActive():
+            self.rolling_timer.start()
+            self.stop_timer.start(2000)  # 2秒后停止滚动
+
+    def stop_rolling(self):
+        self.rolling_timer.stop()
+        self.finishSignal.emit()
+
+    def set_items(self, items: list[PickerStudent]):
+        self.items = items