fix: v0.4.1 修复主题切换丢 swatch 底色与连接失败长错误串撑爆布局；新增 selftest_theme；重打包

DLPilot/src/app_fluent.py

@@ -52,7 +52,8 @@ from PySide6.QtWidgets import (
 )
 from qfluentwidgets import (
     BodyLabel, CardWidget, ComboBox, LineEdit, PlainTextEdit,
-    PrimaryPushButton, PushButton, Slider, StrongBodyLabel, Theme, setTheme,
+    PrimaryPushButton, PushButton, Slider, StrongBodyLabel, Theme,
+    setCustomStyleSheet, setTheme,
 )
 
 import config
@@ -62,7 +63,7 @@ import edid_parse
 import patterns
 
 APP_NAME = "DLPilot"
-APP_VERSION = "0.4.0"
+APP_VERSION = "0.4.1"
 REPO_URL = "https://gitea.hulk.wang/hulk/HW-Debug-Tools"
 MONO = QFont("Consolas", 10)
 CHIP_IDLE = "#666666"
@@ -266,7 +267,12 @@ class App(QMainWindow):
         outer.setSpacing(12)
         header = QHBoxLayout()
         title = StrongBodyLabel("DLPilot", root)
-        title.setStyleSheet("font-size: 24px; font-weight: 700;")
+        # 标题字号走 QFont：FluentLabelBase 在每次主题切换时会用自带的颜色规则
+        # 重写自定义 qss 槽，setStyleSheet/setCustomStyleSheet 写的字号都会被冲掉
+        title_font = title.font()
+        title_font.setPixelSize(24)
+        title_font.setBold(True)
+        title.setFont(title_font)
         header.addWidget(title)
         header.addWidget(BodyLabel("EDID · 测试图案 · RS485 光机控制", root))
         header.addStretch(1)
@@ -355,7 +361,13 @@ class App(QMainWindow):
             row.addWidget(BodyLabel(f"{channel}: 0x", card))
             for label, color in items:
                 button = PushButton(label, card)
-                button.setStyleSheet(f"PushButton {{ background: {color}; color: {'black' if color == '#00FF00' else 'white'}; }}")
+                # fluent 控件的样式须走 setCustomStyleSheet：直接 setStyleSheet 的内容
+                # 会在 setTheme 时被库重刷的自带 qss 冲掉；且须覆盖 hover/pressed 态，
+                # 否则悬停瞬间底色仍会被自带态样式盖回
+                fg = 'black' if color == '#00FF00' else 'white'
+                qss = ("PushButton, PushButton:hover, PushButton:pressed, "
+                       f"PushButton:disabled {{ background-color: {color}; color: {fg}; border: none; }}")
+                setCustomStyleSheet(button, qss, qss)
                 button.clicked.connect(lambda checked=False, c=color: self._show_solid(c))
                 row.addWidget(button)
             row.addStretch(1)
@@ -414,6 +426,9 @@ class App(QMainWindow):
             setattr(self, attr, combo)
             params.addWidget(combo)
         self.lbl_dlpc_st = BodyLabel("未连接", card)
+        # 状态标签允许换行兜底: 任何长错误串都不得撑大参数行最小宽度(否则窗口拉长,
+        # 刷新/连接按钮被挤出可视区)
+        self.lbl_dlpc_st.setWordWrap(True)
         params.addWidget(self.lbl_dlpc_st)
         params.addStretch(1)
         body.addLayout(params)
@@ -770,6 +785,7 @@ class App(QMainWindow):
     def _dlpc_toggle(self):
         if self.dlpc.is_connected(): self.dlpc.close(); self._serial_reset_state(); return
         port = self._dlpc_selected_port()
+        if not port: self.lbl_dlpc_st.setText('未选择串口，请先选择或刷新'); return
         try: baud, bytesize, stopbits = int(self.cbo_baud.currentText()), int(self.cbo_databits.currentText()), int(self.cbo_stopbits.currentText())
         except ValueError: self.lbl_dlpc_st.setText("串口参数非法"); return
         parity = self.cbo_parity.currentText()[:1] or 'N'; config.SERIAL_CFG.update(port=port, baud=baud, bytesize=bytesize, parity=parity, stopbits=stopbits); config.save_slots(self.slots, self.cbo_area.currentText()); self.dlpc.open(port, baud, bytesize=bytesize, parity=parity, stopbits=stopbits)