修复字体设置控制台PointSize(-1)警告

Author: lzy98276

CHANGELOG/v2.3.0-beta.1/CHANGELOG.md

@@ -25,6 +25,7 @@ v2.3 - Shirako (砂狼白子) beta 1
 - 修复 **Linux通知** 缺少notify-send崩溃
 - 修复 **Linux浮窗** 无焦点激活异常
 - 修复 **Linux浮窗** 拖动失效
+- 修复 **字体设置** 控制台PointSize(-1)警告
 
 ## 🔧 其它变更
 

app/core/app_init.py

@@ -6,7 +6,10 @@
 from app.tools.settings_access import readme_settings_async
 from app.tools.update_utils import check_for_updates_on_startup
 from app.tools.variable import APP_INIT_DELAY
-from app.core.font_manager import apply_font_settings
+from app.core.font_manager import (
+    apply_font_settings,
+    ensure_application_font_point_size,
+)
 from app.core.window_manager import WindowManager
 from app.core.utils import safe_execute
 
@@ -59,6 +62,7 @@ def _apply_theme(self) -> None:
             setTheme(Theme.AUTO)
         else:
             setTheme(Theme.LIGHT)
+        ensure_application_font_point_size()
 
     def _load_theme_color(self) -> None:
         """加载主题颜色"""

app/core/font_manager.py

@@ -123,6 +123,43 @@ def _apply_system_font(font_family: str, font_weight: int) -> str:
     return font_family
 
 
+def ensure_application_font_point_size(default_point_size: int = 9) -> None:
+    """确保应用程序字体具有有效的 pointSize，避免 pointSize 为 -1/0 的情况"""
+    app_font = QApplication.font()
+    try:
+        point_size = int(app_font.pointSize())
+    except Exception:
+        point_size = -1
+
+    if point_size > 0:
+        return
+
+    try:
+        pixel_size = int(app_font.pixelSize())
+    except Exception:
+        pixel_size = 0
+
+    resolved_point_size = int(default_point_size) if int(default_point_size) > 0 else 9
+    if pixel_size > 0:
+        try:
+            screen = QApplication.primaryScreen()
+            dpi = float(screen.logicalDotsPerInch()) if screen is not None else 96.0
+            if dpi > 0:
+                resolved_point_size = max(1, int(round(pixel_size * 72.0 / dpi)))
+        except Exception:
+            pass
+
+    if resolved_point_size <= 0:
+        resolved_point_size = 9
+
+    try:
+        app_font.setPointSize(int(resolved_point_size))
+        QApplication.setFont(app_font)
+        logger.debug(f"已修正应用字体 pointSize: {resolved_point_size}")
+    except Exception as e:
+        logger.warning(f"修正应用字体 pointSize 失败: {e}")
+
+
 def configure_dpi_scale() -> None:
     """在创建QApplication之前配置DPI缩放模式"""
     try:
@@ -170,6 +207,7 @@ def apply_font_settings() -> None:
     app_font.setFamily(actual_font_family)
     app_font.setWeight(get_font_weight_value(font_weight_int))
     QApplication.setFont(app_font)
+    ensure_application_font_point_size()
     QTimer.singleShot(
         FONT_APPLY_DELAY,
         lambda: safe_execute(

main.py

@@ -7,7 +7,7 @@
 
 import sentry_sdk
 from sentry_sdk.integrations.loguru import LoguruIntegration, LoggingLevels
-from PySide6.QtCore import Qt, QTimer
+from PySide6.QtCore import Qt, QTimer, qInstallMessageHandler
 from PySide6.QtWidgets import QApplication
 from loguru import logger
 
@@ -31,7 +31,10 @@
     setup_local_server,
     send_url_to_existing_instance,
 )
-from app.core.font_manager import configure_dpi_scale
+from app.core.font_manager import (
+    configure_dpi_scale,
+    ensure_application_font_point_size,
+)
 from app.core.window_manager import WindowManager
 from app.core.url_handler_setup import create_url_handler
 from app.core.cs_ipc_handler_setup import create_cs_ipc_handler
@@ -262,6 +265,19 @@ def setup_qt_application():
     configure_dpi_scale()
 
     app = QApplication(sys.argv)
+    handler_holder = {"previous_handler": None}
+
+    def qt_message_handler(mode, context, message):
+        if str(message).startswith("QFont::setPointSize: Point size <= 0"):
+            return
+        previous_handler = handler_holder.get("previous_handler")
+        if previous_handler is not None:
+            previous_handler(mode, context, message)
+        else:
+            sys.__stderr__.write(f"{message}\n")
+
+    handler_holder["previous_handler"] = qInstallMessageHandler(qt_message_handler)
+    ensure_application_font_point_size()
 
     gc.enable()