修复问题

ui/dialog_style.py

@@ -1,12 +1,16 @@
 """标准对话框（QMessageBox / QInputDialog / QFileDialog）与当前主题一致。"""
 from __future__ import annotations
 
+from PyQt6.QtCore import Qt
+from PyQt6.QtGui import QTextOption
 from PyQt6.QtWidgets import (
     QFileDialog,
     QInputDialog,
     QMessageBox,
     QWidget,
     QDialog,
+    QLabel,
+    QSizePolicy,
 )
 
 import ui.theme as theme
@@ -29,7 +33,15 @@ def stylesheet() -> str:
         QMessageBox QLabel {{
             color: {fg};
             background: transparent;
-            min-width: 160px;
+            min-width: 0px;
+        }}
+        QMessageBox QLabel#qt_msgbox_label {{
+            min-width: 200px;
+            max-width: 560px;
+        }}
+        QMessageBox QLabel#qt_msgboxex_icon_label {{
+            min-width: 28px;
+            max-width: 28px;
         }}
         QMessageBox QPushButton {{
             min-width: 64px;
@@ -127,6 +139,34 @@ def _apply(w: QWidget | None) -> None:
         w.setStyleSheet(stylesheet())
 
 
+def _prepare_qmessagebox(msg: QMessageBox) -> None:
+    """让提示框按内容换行并自适应宽高（避免固定宽度截断文字）。"""
+    lbl = msg.findChild(QLabel, "qt_msgbox_label")
+    if lbl is not None:
+        lbl.setWordWrap(True)
+        lbl.setTextFormat(Qt.TextFormat.PlainText)
+        # 无空格长中文也能在边界处断行，而不是整段挤在一行被裁切
+        try:
+            lbl.setWordWrapMode(QTextOption.WrapMode.WrapAnywhere)
+        except AttributeError:
+            pass
+        lbl.setMinimumWidth(200)
+        lbl.setMaximumWidth(560)
+        lbl.setSizePolicy(
+            QSizePolicy.Policy.Preferred,
+            QSizePolicy.Policy.MinimumExpanding,
+        )
+    lay = msg.layout()
+    if lay is not None:
+        lay.activate()
+    msg.setSizePolicy(
+        QSizePolicy.Policy.Preferred,
+        QSizePolicy.Policy.Preferred,
+    )
+    msg.setMinimumSize(0, 0)
+    msg.adjustSize()
+
+
 def question(
     parent: QWidget | None,
     title: str,
@@ -146,8 +186,7 @@ def question(
     if default_button is not None:
         msg.setDefaultButton(default_button)
     _apply(msg)
-    # 防止对话框因为文本长度/默认最小宽度变得过宽
-    msg.setFixedWidth(320)
+    _prepare_qmessagebox(msg)
     return QMessageBox.StandardButton(msg.exec())
 
 
@@ -158,7 +197,7 @@ def warning(parent: QWidget | None, title: str, text: str) -> None:
     msg.setIcon(QMessageBox.Icon.Warning)
     msg.setStandardButtons(QMessageBox.StandardButton.Ok)
     _apply(msg)
-    msg.setFixedWidth(320)
+    _prepare_qmessagebox(msg)
     msg.exec()
 
 
@@ -169,7 +208,7 @@ def information(parent: QWidget | None, title: str, text: str) -> None:
     msg.setIcon(QMessageBox.Icon.Information)
     msg.setStandardButtons(QMessageBox.StandardButton.Ok)
     _apply(msg)
-    msg.setFixedWidth(320)
+    _prepare_qmessagebox(msg)
     msg.exec()