fix: 修正滑块填充残留、数值内联输入与信号/分组重命名，拖拽虚影跟随鼠标

- 滑块最小值时不再有超出圆钮的填充残留，三处滑块统一为共享实现
- 透明度/RGB/色号支持点击或双击直接输入，整段高亮、首次键入替换、回车提交、Ctrl+C 复制
- 双击信号行或分组名进入重命名编辑；分组竖线改为绘制而非字符
- 拖拽信号时曲线虚影跟随鼠标纵向位移
- 数据层新增展示名覆盖，面板改为持有可写数据集合

Components/SignalPanel/Src/SignalPanel.cpp

@@ -24,6 +24,8 @@ namespace jdi
 		const float kIndent = 14.0f;			/**< 信号行相对文件行的缩进。 */
 		const float kScrollBarThickness = 8.0f;	/**< 滚动条宽度。 */
 		const float kCloseButtonSize = 18.0f;	/**< 文件行关闭按钮尺寸。 */
+		const float kGroupSeparatorGap = 7.0f;	/**< 分组标签与分隔线/名称的间距。 */
+		const float kGroupSeparatorWidth = 1.0f;	/**< 分组标签右侧分隔线宽度。 */
 
 		// 样式编辑区：固定四行网格（颜色 / 样式 / 透明度 / 线宽），行高、间距与内容列宽度统一，
 		// 保证面板宽度变化时四行控件始终对齐，且不会被无限制拉伸。
@@ -62,36 +64,6 @@ namespace jdi
 			                 track.Height + 18.0f * scale);
 		}
 
-		/**
-		 * @brief 绘制水平滑块（轨道 + 已填充部分 + 圆钮）。
-		 * @param [IN,OUT] g 绘图上下文。
-		 * @param [IN] track 轨道矩形。
-		 * @param [IN] ratio 当前值比例（0-1）。
-		 * @param [IN] fillColor 已填充部分颜色。
-		 * @param [IN] active 是否处于悬停或拖拽状态。
-		 * @param [IN] scale 缩放比例。
-		 */
-		void DrawSlider(gd::Graphics& g, const gd::RectF& track, double ratio, std::uint32_t fillColor,
-		                bool active, float scale)
-		{
-			const float radius = track.Height * 0.5f;
-			UiFillRoundRect(g, track, radius, 0x2A657B83u);
-
-			ratio = std::max(0.0, std::min(1.0, ratio));
-			const float fillWidth = std::max(track.Height, static_cast<float>(ratio) * track.Width);
-			UiFillRoundRect(g, gd::RectF(track.X, track.Y, fillWidth, track.Height), radius, fillColor);
-
-			const float knobX = track.X + static_cast<float>(ratio) * track.Width;
-			const float knobRadius = radius + (active ? 2.5f * scale : 0.8f * scale);
-
-			gd::SolidBrush knob(ToGdiColor(0xFFFFFFFFu));
-			gd::Pen knobPen(ToGdiColor(0xFF586E75u), 1.4f * scale);
-			g.FillEllipse(&knob, knobX - knobRadius, track.Y + radius - knobRadius, knobRadius * 2.0f,
-			              knobRadius * 2.0f);
-			g.DrawEllipse(&knobPen, knobX - knobRadius, track.Y + radius - knobRadius, knobRadius * 2.0f,
-			              knobRadius * 2.0f);
-		}
-
 		/**
 		 * @brief 判断颜色是否偏暗（用于在色块之上选择可读的图标颜色）。
 		 * @param [IN] color 0xAARRGGBB 颜色值。
@@ -134,16 +106,19 @@ namespace jdi
 		m_colorPicker = colorPicker;
 	}
 
-	void SignalPanel::SetContext(const DataSet* dataSet, TabConfig* tab)
+	void SignalPanel::SetContext(DataSet* dataSet, TabConfig* tab)
 	{
 		m_dataSet = dataSet;
+		m_dataSetWritable = dataSet;
 		m_tab = tab;
 		m_rowsDirty = true;
 		m_scrollOffset = 0.0f;
 		m_draggingOpacity = false;
 		m_draggingWidth = false;
-		m_widthEditing = false;
-		m_widthEditText.clear();
+		m_editField = StyleEditField::NONE;
+		m_editRow = -1;
+		m_editFresh = false;
+		m_editText.clear();
 		m_pendingLaneMenu = false;
 		m_pendingColorPicker = false;
 	}
@@ -682,22 +657,39 @@ namespace jdi
 
 		const gd::RectF closeRect = FileCloseRect(row);
 
-		// 分组标题：以“组X | <文件名>”呈现，X 为该组在当前列表中的序号。
-		const std::wstring groupLabel = L"组" + std::to_wstring(item.fileIndex + 1) + L" | ";
+		// 分组标题：左侧为“组X”标签，右侧以绘制的竖线分隔分组名（不使用字符），再显示可重命名的名称。
+		const std::wstring groupLabel = L"组" + std::to_wstring(item.fileIndex + 1);
 		const std::wstring stats = std::to_wstring(file->signals.size()) + L" 项";
-		const float groupWidth = UiMeasureTextWidth(m_fonts->uiBold, groupLabel);
+		const float groupWidth = FileGroupLabelWidth(row);
 		const float statsWidth = UiMeasureTextWidth(m_fonts->uiSmall, stats);
 		const float statsRight = closeRect.X - 6.0f * m_scale;
 		const float nameLeft = checkRect.X + checkRect.Width + 8.0f * m_scale;
+		const float nameAreaLeft =
+		    nameLeft + groupWidth + kGroupSeparatorGap * 2.0f * m_scale + kGroupSeparatorWidth * m_scale;
 		const float nameWidth =
-		    std::max(20.0f, statsRight - statsWidth - 6.0f * m_scale - nameLeft - groupWidth);
+		    std::max(20.0f, statsRight - statsWidth - 6.0f * m_scale - nameAreaLeft);
 
 		// 序号以强调色突出，便于在多组之间快速定位。
-		UiText(g, groupLabel, m_fonts->uiBold,
-		       gd::RectF(nameLeft, rect.Y, groupWidth, rect.Height), m_theme->accent, TextAlign::LEFT);
-		UiText(g, UiEllipsize(g, file->fileName, m_fonts->uiBold, nameWidth), m_fonts->uiBold,
-		       gd::RectF(nameLeft + groupWidth, rect.Y, nameWidth, rect.Height), m_theme->textStrong,
-		       TextAlign::LEFT);
+		UiText(g, groupLabel, m_fonts->uiBold, gd::RectF(nameLeft, rect.Y, groupWidth, rect.Height),
+		       m_theme->accent, TextAlign::LEFT);
+
+		// 竖线分隔符：以绘制方式实现，与文字基线无关，排版更稳。
+		UiFillRect(g, gd::RectF(nameLeft + groupWidth + kGroupSeparatorGap * m_scale,
+		                        rect.Y + 7.0f * m_scale, kGroupSeparatorWidth * m_scale,
+		                        rect.Height - 14.0f * m_scale),
+		           WithAlpha(m_theme->borderStrong, 0xB0));
+
+		if (m_editField == StyleEditField::FILE_NAME && m_editRow == row)
+		{
+			UiDrawEditField(g, RowNameRect(row), m_editText, m_editFresh, m_fonts->uiSmall, m_scale);
+		}
+		else
+		{
+			UiText(g, UiEllipsize(g, file->Title(), m_fonts->uiBold, nameWidth), m_fonts->uiBold,
+			       gd::RectF(nameAreaLeft, rect.Y, nameWidth, rect.Height), m_theme->textStrong,
+			       TextAlign::LEFT);
+		}
+
 		UiText(g, stats, m_fonts->uiSmall, gd::RectF(statsRight - statsWidth, rect.Y, statsWidth, rect.Height),
 		       m_theme->textMuted, TextAlign::RIGHT);
 
@@ -766,12 +758,19 @@ namespace jdi
 			nameRightLimit = badgeRect.X - 6.0f * m_scale;
 		}
 
-		// 名称：完全保留文件内的列名（含 "[n]" 序号与括号描述）。
+		// 名称：完全保留文件内的列名（含 "[n]" 序号与括号描述），双击可重命名。
 		const float nameLeft = swatchRect.X + swatchRect.Width + 6.0f * m_scale;
-		const float nameWidth = std::max(16.0f, nameRightLimit - nameLeft);
-		const std::uint32_t nameColor = style->visible ? m_theme->text : m_theme->textMuted;
-		UiText(g, UiEllipsize(g, signal->name, m_fonts->ui, nameWidth), m_fonts->ui,
-		       gd::RectF(nameLeft, rect.Y, nameWidth, rect.Height), nameColor, TextAlign::LEFT);
+		if (m_editField == StyleEditField::SIGNAL_NAME && m_editRow == row)
+		{
+			UiDrawEditField(g, RowNameRect(row), m_editText, m_editFresh, m_fonts->ui, m_scale);
+		}
+		else
+		{
+			const float nameWidth = std::max(16.0f, nameRightLimit - nameLeft);
+			const std::uint32_t nameColor = style->visible ? m_theme->text : m_theme->textMuted;
+			UiText(g, UiEllipsize(g, signal->Title(), m_fonts->ui, nameWidth), m_fonts->ui,
+			       gd::RectF(nameLeft, rect.Y, nameWidth, rect.Height), nameColor, TextAlign::LEFT);
+		}
 
 		if (badgeVisible)
 		{
@@ -830,7 +829,6 @@ namespace jdi
 		}
 
 		const float labelWidth = kStyleLabelWidth * m_scale;
-		const float rowHeight = kStyleRowHeight * m_scale;
 
 		// 行标签统一以整行为基准垂直居中，确保与同行控件纵向对齐。
 		auto paintRowLabel = [&](int rowIndex, const wchar_t* text)
@@ -906,65 +904,38 @@ namespace jdi
 			}
 		}
 
-		// ---- 第三行：透明度 ----
+		// ---- 第三行：透明度（数值可点击输入）----
 		{
 			paintRowLabel(2, L"透明度");
 
 			const bool active = m_draggingOpacity || (m_hoverStyle == StyleHit::OPACITY_SLIDER);
-			DrawSlider(g, m_opacityTrackRect, static_cast<double>(style->opacity), m_theme->accent, active,
-			           m_scale);
+			UiDrawSlider(g, m_opacityTrackRect, static_cast<double>(style->opacity), m_theme->accent, active,
+			             m_scale);
 
-			const int percent = static_cast<int>(style->opacity * 100.0f + 0.5f);
-			UiText(g, std::to_wstring(percent) + L"%", m_fonts->monoSmall, m_opacityValueRect,
-			       m_theme->textStrong, TextAlign::RIGHT);
+			if (m_editField == StyleEditField::OPACITY)
+			{
+				UiDrawEditField(g, m_opacityValueRect, m_editText, m_editFresh, m_fonts->monoSmall, m_scale);
+			}
+			else
+			{
+				const int percent = static_cast<int>(style->opacity * 100.0f + 0.5f);
+				UiText(g, std::to_wstring(percent) + L"%", m_fonts->monoSmall, m_opacityValueRect,
+				       m_theme->textStrong, TextAlign::RIGHT);
+			}
 		}
 
-		// ---- 第四行：线宽（与透明度行几何一致）----
+		// ---- 第四行：线宽（与透明度行几何一致，数值可点击输入）----
 		{
 			paintRowLabel(3, L"线宽");
 
 			const double ratio =
 			    (static_cast<double>(style->lineWidth) - kWidthMin) / (kWidthMax - kWidthMin);
 			const bool active = m_draggingWidth || (m_hoverStyle == StyleHit::WIDTH_SLIDER);
-			DrawSlider(g, m_widthTrackRect, ratio, m_theme->accent, active, m_scale);
+			UiDrawSlider(g, m_widthTrackRect, ratio, m_theme->accent, active, m_scale);
 
-			if (m_widthEditing)
+			if (m_editField == StyleEditField::WIDTH)
 			{
-				// 输入状态：数值整体居中；处于“全部选中”状态时以高亮背景表示内容将被覆盖，
-				// 交互观感与常见登录界面的账号/密码输入框一致。
-				UiFillRoundRect(g, m_widthValueRect, kCorner * m_scale, m_theme->cardBg);
-				UiDrawRoundRect(g, m_widthValueRect, kCorner * m_scale, m_theme->accent, 1.6f);
-
-				const std::wstring editText = m_widthEditText.empty() ? std::wstring(L" ") : m_widthEditText;
-				const float textWidth = UiTextWidth(g, editText, m_fonts->monoSmall);
-				const float textX =
-				    m_widthValueRect.X + std::max(2.0f * m_scale, (m_widthValueRect.Width - textWidth) * 0.5f);
-
-				if (m_widthEditFresh)
-				{
-					// 高亮选区：覆盖整段数值，提示首次键入即整体替换。
-					const float padX = 3.0f * m_scale;
-					UiFillRoundRect(g, gd::RectF(textX - padX, m_widthValueRect.Y + 4.0f * m_scale,
-					                             textWidth + padX * 2.0f,
-					                             m_widthValueRect.Height - 8.0f * m_scale),
-					                2.0f * m_scale, m_theme->accent);
-					UiText(g, editText, m_fonts->monoSmall, m_widthValueRect, m_theme->textOnAccent,
-					       TextAlign::CENTER);
-				}
-				else
-				{
-					UiText(g, editText, m_fonts->monoSmall, m_widthValueRect, m_theme->textStrong,
-					       TextAlign::CENTER);
-
-					// 已开始键入：在文本末尾显示插入符。
-					const float caretX = textX + textWidth + 1.0f * m_scale;
-					if (caretX < m_widthValueRect.X + m_widthValueRect.Width - 2.0f * m_scale)
-					{
-						UiDrawLine(g, caretX, m_widthValueRect.Y + 5.0f * m_scale, caretX,
-						           m_widthValueRect.Y + rowHeight - 5.0f * m_scale, m_theme->accent,
-						           1.4f * m_scale);
-					}
-				}
+				UiDrawEditField(g, m_widthValueRect, m_editText, m_editFresh, m_fonts->monoSmall, m_scale);
 			}
 			else
 			{
@@ -1013,115 +984,304 @@ namespace jdi
 		return true;
 	}
 
-	bool SignalPanel::BeginWidthEdit()
+	gd::RectF SignalPanel::RowNameRect(int row) const
 	{
-		if (m_tab == nullptr)
+		if (m_dataSet == nullptr || m_tab == nullptr || row < 0 || row >= static_cast<int>(m_rows.size()))
+		{
+			return gd::RectF();
+		}
+
+		const gd::RectF rect = RowRect(row);
+		const bool isFile = (m_rows[static_cast<std::size_t>(row)].kind == RowKind::FILE);
+		const float baseX = rect.X + kPadding * m_scale + (isFile ? 0.0f : kIndent * m_scale);
+		const float checkRight = baseX + kDisclosureWidth * m_scale + kCheckSize * m_scale;
+
+		float left = 0.0f;
+		float right = 0.0f;
+		if (isFile)
+		{
+			// 分组名需要跳过左侧的“组X”标签与分隔线。
+			left = checkRight + 8.0f * m_scale + FileGroupLabelWidth(row) + kGroupSeparatorGap * 2.0f * m_scale +
+			       kGroupSeparatorWidth * m_scale;
+			right = FileCloseRect(row).X - 6.0f * m_scale;
+		}
+		else
+		{
+			left = checkRight + 6.0f * m_scale + kSwatchSize * m_scale + 6.0f * m_scale;
+			right = SignalBadgeRect(row).X - 6.0f * m_scale;
+		}
+
+		if (right <= left)
+		{
+			return gd::RectF();
+		}
+		return gd::RectF(left, rect.Y + 3.0f * m_scale, right - left, rect.Height - 6.0f * m_scale);
+	}
+
+	float SignalPanel::FileGroupLabelWidth(int row) const
+	{
+		if (m_fonts == nullptr || m_fonts->uiBold == nullptr || row < 0 ||
+		    row >= static_cast<int>(m_rows.size()))
+		{
+			return 0.0f;
+		}
+		const std::wstring label = L"组" + std::to_wstring(m_rows[static_cast<std::size_t>(row)].fileIndex + 1);
+		return UiMeasureTextWidth(m_fonts->uiBold, label);
+	}
+
+	bool SignalPanel::BeginEdit(StyleEditField field, int row)
+	{
+		if (m_tab == nullptr || field == StyleEditField::NONE)
 		{
 			return false;
 		}
-		const SignalStyle* style = m_tab->Style(m_tab->Selected());
-		if (style == nullptr)
-		{
-			return false;
-		}
-		if (m_widthEditing)
+		if (m_editField == field && m_editRow == row)
 		{
 			return false;
 		}
 
-		m_widthEditText = FormatNumber(style->lineWidth, 1);
-		m_widthEditing = true;
-		m_widthEditFresh = true;
+		std::wstring initial;
+		switch (field)
+		{
+		case StyleEditField::WIDTH:
+		{
+			const SignalStyle* style = m_tab->Style(m_tab->Selected());
+			if (style == nullptr)
+			{
+				return false;
+			}
+			initial = FormatNumber(style->lineWidth, 1);
+			break;
+		}
+		case StyleEditField::OPACITY:
+		{
+			const SignalStyle* style = m_tab->Style(m_tab->Selected());
+			if (style == nullptr)
+			{
+				return false;
+			}
+			initial = std::to_wstring(static_cast<int>(style->opacity * 100.0f + 0.5f));
+			break;
+		}
+		case StyleEditField::SIGNAL_NAME:
+		{
+			if (row < 0 || row >= static_cast<int>(m_rows.size()))
+			{
+				return false;
+			}
+			const ListRow& item = m_rows[static_cast<std::size_t>(row)];
+			const SignalData* signal = m_dataSet->Resolve(SignalRef{item.fileIndex, item.signalIndex});
+			if (signal == nullptr)
+			{
+				return false;
+			}
+			initial = signal->Title();
+			break;
+		}
+		case StyleEditField::FILE_NAME:
+		{
+			if (row < 0 || row >= static_cast<int>(m_rows.size()))
+			{
+				return false;
+			}
+			const DataFile* file = m_dataSet->FileAt(m_rows[static_cast<std::size_t>(row)].fileIndex);
+			if (file == nullptr)
+			{
+				return false;
+			}
+			initial = file->Title();
+			break;
+		}
+		default:
+			return false;
+		}
+
+		m_editField = field;
+		m_editRow = row;
+		m_editText = std::move(initial);
+		m_editFresh = true;
 		return true;
 	}
 
-	bool SignalPanel::EndWidthEdit(bool commit)
+	bool SignalPanel::EndEdit(bool commit)
 	{
-		if (!m_widthEditing)
+		if (m_editField == StyleEditField::NONE)
 		{
 			return false;
 		}
 
-		bool changed = true;
-		if (commit && m_tab != nullptr)
+		const StyleEditField field = m_editField;
+		const int row = m_editRow;
+		const std::wstring text = m_editText;
+
+		m_editField = StyleEditField::NONE;
+		m_editRow = -1;
+		m_editFresh = false;
+		m_editText.clear();
+
+		if (!commit || m_tab == nullptr || m_dataSet == nullptr)
 		{
-			const std::wstring trimmed = Trim(m_widthEditText);
-			if (!trimmed.empty())
-			{
-				wchar_t* stop = nullptr;
-				const double parsed = std::wcstod(trimmed.c_str(), &stop);
-				if (stop != trimmed.c_str() && parsed == parsed)
-				{
-					if (SignalStyle* style = m_tab->Style(m_tab->Selected()))
-					{
-						const float value = ClampFloat(static_cast<float>(parsed), kWidthMin, kWidthMax);
-						style->lineWidth = std::round(value * 10.0f) / 10.0f;
-					}
-				}
-			}
+			return true;
 		}
 
-		m_widthEditing = false;
-		m_widthEditFresh = false;
-		m_widthEditText.clear();
-		return changed;
+		const std::wstring trimmed = Trim(text);
+		switch (field)
+		{
+		case StyleEditField::WIDTH:
+		{
+			if (trimmed.empty())
+			{
+				break;
+			}
+			wchar_t* stop = nullptr;
+			const double parsed = std::wcstod(trimmed.c_str(), &stop);
+			if (stop == trimmed.c_str() || parsed != parsed)
+			{
+				break;
+			}
+			if (SignalStyle* style = m_tab->Style(m_tab->Selected()))
+			{
+				const float value = ClampFloat(static_cast<float>(parsed), kWidthMin, kWidthMax);
+				style->lineWidth = std::round(value * 10.0f) / 10.0f;
+			}
+			break;
+		}
+		case StyleEditField::OPACITY:
+		{
+			if (trimmed.empty())
+			{
+				break;
+			}
+			wchar_t* stop = nullptr;
+			const double parsed = std::wcstod(trimmed.c_str(), &stop);
+			if (stop == trimmed.c_str() || parsed != parsed)
+			{
+				break;
+			}
+			if (SignalStyle* style = m_tab->Style(m_tab->Selected()))
+			{
+				style->opacity = ClampFloat(static_cast<float>(parsed) / 100.0f, 0.0f, 1.0f);
+			}
+			break;
+		}
+		case StyleEditField::SIGNAL_NAME:
+		{
+			if (row < 0 || row >= static_cast<int>(m_rows.size()) || m_dataSetWritable == nullptr)
+			{
+				break;
+			}
+			const ListRow& item = m_rows[static_cast<std::size_t>(row)];
+			m_dataSetWritable->SetSignalDisplayName(item.fileIndex, item.signalIndex, trimmed);
+			break;
+		}
+		case StyleEditField::FILE_NAME:
+		{
+			if (row < 0 || row >= static_cast<int>(m_rows.size()) || m_dataSetWritable == nullptr)
+			{
+				break;
+			}
+			m_dataSetWritable->SetFileDisplayName(m_rows[static_cast<std::size_t>(row)].fileIndex, trimmed);
+			break;
+		}
+		default:
+			break;
+		}
+		return true;
+	}
+
+	gd::RectF SignalPanel::EditFieldRect() const
+	{
+		switch (m_editField)
+		{
+		case StyleEditField::WIDTH:
+			return m_widthValueRect;
+		case StyleEditField::OPACITY:
+			return m_opacityValueRect;
+		case StyleEditField::SIGNAL_NAME:
+		case StyleEditField::FILE_NAME:
+			return RowNameRect(m_editRow);
+		case StyleEditField::NONE:
+		default:
+			return gd::RectF();
+		}
 	}
 
 	bool SignalPanel::OnEditChar(wchar_t character)
 	{
-		if (!m_widthEditing)
+		if (m_editField == StyleEditField::NONE)
 		{
 			return false;
 		}
 
+		// Ctrl+C：把当前文本复制到剪贴板。
+		if (character == 0x03)
+		{
+			CopyTextToClipboard(m_host, m_editText);
+			return false;
+		}
+
 		if (character == L'\r' || character == L'\n')
 		{
-			return EndWidthEdit(true);
+			return EndEdit(true);
 		}
 		if (character == L'\b')
 		{
-			m_widthEditFresh = false;
-			if (!m_widthEditText.empty())
+			m_editFresh = false;
+			if (!m_editText.empty())
 			{
-				m_widthEditText.pop_back();
+				m_editText.pop_back();
 			}
 			return true;
 		}
 
-		if (character >= L'0' && character <= L'9')
+		// 名称类字段允许任意可打印字符（含空格、方括号、中文）。	
+		const bool nameField = (m_editField == StyleEditField::SIGNAL_NAME) ||
+		                       (m_editField == StyleEditField::FILE_NAME);
+		if (m_editField == StyleEditField::OPACITY && (character == L'%'))
 		{
-			// 首次键入直接替换原有数值，无需先手动删除。
-			if (m_widthEditFresh)
-			{
-				m_widthEditText.clear();
-				m_widthEditFresh = false;
-			}
-			if (m_widthEditText.size() < 5)
-			{
-				m_widthEditText.push_back(character);
-			}
 			return true;
 		}
-		if (character == L'.')
+		if (character < 0x20 || character == 0x7F)
 		{
-			if (m_widthEditFresh)
-			{
-				m_widthEditText.clear();
-				m_widthEditFresh = false;
-			}
-			// 只允许一个小数点。
-			if (m_widthEditText.find(L'.') == std::wstring::npos && m_widthEditText.size() < 4)
-			{
-				m_widthEditText.push_back(character);
-			}
 			return true;
 		}
+		if (nameField && m_editText.size() >= 64)
+		{
+			return true;
+		}
+
+		const bool numericField = !nameField;
+		if (numericField)
+		{
+			const bool digit = (character >= L'0' && character <= L'9');
+			const bool dot = (character == L'.');
+			if (!digit && !dot)
+			{
+				return true;
+			}
+			if (dot && m_editText.find(L'.') != std::wstring::npos)
+			{
+				return true;
+			}
+			if (!dot && m_editText.size() >= 5)
+			{
+				return true;
+			}
+		}
+
+		// 首次键入直接替换原有内容，无需先手动删除。
+		if (m_editFresh)
+		{
+			m_editText.clear();
+			m_editFresh = false;
+		}
+		m_editText.push_back(character);
 		return true;
 	}
 
 	bool SignalPanel::OnEditKey(WPARAM key)
 	{
-		if (!m_widthEditing)
+		if (m_editField == StyleEditField::NONE)
 		{
 			return false;
 		}
@@ -1129,14 +1289,14 @@ namespace jdi
 		switch (key)
 		{
 		case VK_RETURN:
-			return EndWidthEdit(true);
+			return EndEdit(true);
 		case VK_ESCAPE:
-			return EndWidthEdit(false);
+			return EndEdit(false);
 		case VK_BACK:
-			m_widthEditFresh = false;
-			if (!m_widthEditText.empty())
+			m_editFresh = false;
+			if (!m_editText.empty())
 			{
-				m_widthEditText.pop_back();
+				m_editText.pop_back();
 			}
 			return true;
 		default:
@@ -1201,9 +1361,9 @@ namespace jdi
 	bool SignalPanel::CloseTransientUi()
 	{
 		bool changed = false;
-		if (m_widthEditing)
+		if (m_editField != StyleEditField::NONE)
 		{
-			changed = EndWidthEdit(true) || changed;
+			changed = EndEdit(true) || changed;
 		}
 		if (m_colorPicker != nullptr && m_colorPicker->IsOpen())
 		{
@@ -1288,6 +1448,10 @@ namespace jdi
 			{
 				hoverStyle = StyleHit::WIDTH_SLIDER;
 			}
+			if (hoverStyle == StyleHit::NONE && UiPointInRect(m_opacityValueRect, fx, fy))
+			{
+				hoverStyle = StyleHit::OPACITY_VALUE;
+			}
 			if (hoverStyle == StyleHit::NONE && UiPointInRect(m_widthValueRect, fx, fy))
 			{
 				hoverStyle = StyleHit::WIDTH_VALUE;
@@ -1344,10 +1508,11 @@ namespace jdi
 		m_pendingLaneMenu = false;
 		m_pendingColorPicker = false;
 
-		// 点击样式区以外的位置时结束线宽输入。
-		if (m_widthEditing && !UiPointInRect(m_widthValueRect, fx, fy))
+		// 点击当前输入框以外的位置时提交输入。
+		if (m_editField != StyleEditField::NONE &&
+		    !UiPointInRect(EditFieldRect(), fx, fy))
 		{
-			EndWidthEdit(true);
+			EndEdit(true);
 		}
 
 		// 全部显示/隐藏。
@@ -1398,10 +1563,14 @@ namespace jdi
 				ApplyWidthFromX(fx);
 				return true;
 			}
+			// 数值框的命中优先于滑块：两者几何重叠时要能进入输入状态。
 			if (UiPointInRect(m_widthValueRect, fx, fy))
 			{
-				// 单击即进入输入状态，双击亦等效。
-				return BeginWidthEdit();
+				return BeginEdit(StyleEditField::WIDTH);
+			}
+			if (UiPointInRect(m_opacityValueRect, fx, fy))
+			{
+				return BeginEdit(StyleEditField::OPACITY);
 			}
 		}
 
@@ -1522,10 +1691,14 @@ namespace jdi
 		const float fx = static_cast<float>(x);
 		const float fy = static_cast<float>(y);
 
-		// 线宽数值框：双击进入（或保持）输入状态。
+		// 样式区数值框：双击进入（或保持）输入状态。
 		if (UiPointInRect(m_widthValueRect, fx, fy))
 		{
-			return BeginWidthEdit();
+			return BeginEdit(StyleEditField::WIDTH);
+		}
+		if (UiPointInRect(m_opacityValueRect, fx, fy))
+		{
+			return BeginEdit(StyleEditField::OPACITY);
 		}
 
 		RowPart part = RowPart::NONE;
@@ -1536,24 +1709,35 @@ namespace jdi
 		}
 
 		const ListRow& item = m_rows[static_cast<std::size_t>(row)];
+
+		// 分组行：双击折叠三角用于折叠，双击名称区域进入重命名。
 		if (item.kind == RowKind::FILE)
 		{
-			m_tab->ToggleCollapsed(item.fileIndex);
+			if (part == RowPart::DISCLOSURE)
+			{
+				m_tab->ToggleCollapsed(item.fileIndex);
+				m_rowsDirty = true;
+				return true;
+			}
+			if (part != RowPart::BODY)
+			{
+				return false;
+			}
+			// 重命名分组会改变列表行高度以外的展示内容，重建行缓存以保证文字刷新。
 			m_rowsDirty = true;
-			return true;
+			return BeginEdit(StyleEditField::FILE_NAME, row);
 		}
 
-		// 网格徽标单击已可打开菜单，双击不再切换可见性。
-		if (part == RowPart::LANE_BADGE)
+		// 复选框与网格徽标各自由单击处理，双击不再切换可见性。
+		if (part == RowPart::CHECK || part == RowPart::LANE_BADGE)
 		{
 			return false;
 		}
 
 		const SignalRef ref{item.fileIndex, item.signalIndex};
 		m_tab->SetSelected(ref);
-		m_tab->ToggleVisible(*m_dataSet, ref);
 		m_rowsDirty = true;
-		return true;
+		return BeginEdit(StyleEditField::SIGNAL_NAME, row);
 	}
 
 	bool SignalPanel::OnRButtonDown(int x, int y)
@@ -1630,7 +1814,7 @@ namespace jdi
 
 		MenuItem header;
 		header.kind = MenuItemKind::HEADER;
-		header.label = signal->name;
+		header.label = signal->Title();
 		items.push_back(header);
 
 		MenuItem toggle;
@@ -1712,7 +1896,7 @@ namespace jdi
 
 		MenuItem header;
 		header.kind = MenuItemKind::HEADER;
-		header.label = file->fileName;
+		header.label = file->Title();
 		items.push_back(header);
 
 		MenuItem showAll;