Just-DataInspector/Components/SignalPanel/Src/SignalPanelMenu.cpp

// SignalPanel 实现分片 —— 弹出菜单（系数/偏移、镜像、信号/分组/网格右键菜单、命令回执）。
//
// 本文件只包含 SignalPanel 的成员函数定义（机械搬移，行为不变）。
// ⚠️ 菜单是"打开即模态"的浮层：`CloseTransientUi` 必须在点击别处时收起它，
//    否则菜单会一直挂在那里吃掉后续点击。

#include "SignalPanelInternal.hpp"

namespace jdi
{
	bool SignalPanel::OpenGainMenu()
	{
		if (m_menu == nullptr || m_tab == nullptr)
		{
			return false;
		}
		const SignalStyle* style = StyleOf(SelectedRef());
		if (style == nullptr)
		{
			return false;
		}

		// 二级面板：两张“标题（带还原图标）+ 输入框”的组合：
		//   1. 「系数调整」：一整行系数输入框；
		//   2. 「偏移调整」：下方两行分别为「Y轴」与「时间轴」的偏移输入框。
		//（与网格 Y 轴上下限的菜单内联编辑同一套做法：提交后面板保持打开，可连续微调。）
		std::vector<MenuItem> items;

		MenuItem gainHeader;
		gainHeader.kind = MenuItemKind::HEADER_ACTION;
		gainHeader.label = L"系数调整";
		gainHeader.id = CMD_GAIN_RESET;	// 点击标题栏右侧的还原图标 → 系数重置为 1
		items.push_back(gainHeader);

		// 非编辑态带正号（用户明确要求）；进入编辑后的初始文本用不带符号的纯数值。
		const std::wstring gainText = FormatGainText(style->gain);
		const std::wstring gainEditText = FormatNumberText(static_cast<double>(style->gain));
		MenuItem gainEdit;
		gainEdit.kind = MenuItemKind::EDIT;
		gainEdit.label.clear();		// 不显示说明文字：输入框独占整行
		gainEdit.id = CMD_GAIN_EDIT;
		gainEdit.value = gainText;
		gainEdit.editValue = gainEditText;
		gainEdit.filter = EditFilter::NUMBER;
		items.push_back(gainEdit);

		MenuItem offsetHeader;
		offsetHeader.kind = MenuItemKind::HEADER_ACTION;
		offsetHeader.label = L"偏移调整";
		offsetHeader.id = CMD_OFFSET_RESET;	// 点击还原图标 → 两个偏移都恢复默认值
		items.push_back(offsetHeader);

		// 「Y轴」：对绘制值加上一个常数偏移（波形上下移动），非编辑态带正负号。
		MenuItem offsetY;
		offsetY.kind = MenuItemKind::EDIT;
		offsetY.label = L"Y轴";
		offsetY.id = CMD_OFFSET_Y;
		offsetY.value = FormatSignedNumber(static_cast<double>(style->offsetY));
		offsetY.editValue = FormatNumberText(static_cast<double>(style->offsetY));
		offsetY.filter = EditFilter::NUMBER;
		items.push_back(offsetY);

		// 「时间轴」：把采样沿时间轴平移（画在 t + offsetTime）。
		// 非编辑态显示与双光标差值同一套复合单位文本，并**带正负号**（用户明确要求）；
		// 编辑态显示以秒为单位的数值，并在输入框最右侧提示单位 `s`。
		MenuItem offsetTime;
		offsetTime.kind = MenuItemKind::EDIT;
		offsetTime.label = L"时间轴";
		offsetTime.id = CMD_OFFSET_TIME;
		offsetTime.value = FormatOffsetTimeText(style->offsetTime);
		offsetTime.editValue = FormatNumberText(style->offsetTime);
		offsetTime.editSuffix = L"s";
		offsetTime.filter = EditFilter::NUMBER;
		items.push_back(offsetTime);

		// 锚定在按钮**左上角的上方一点**：二级面板**向上展开**，其左下角对准按钮左上角，
		// 并再往上让出 `kAdjustMenuGap`（用户明确要求）。
		//（旧实现在按钮下沿向右下展开，面板会盖住下方内容。）
		const gd::RectF& button = m_adjustRects[kAdjustGain];
		const gd::RectF bounds = (m_clientBounds.Width > 1.0f) ? m_clientBounds : m_area;
		const int anchorY =
		    static_cast<int>(std::lround(button.Y - kAdjustMenuGap * m_scale));
		m_menu->Open(MenuScope::SIGNAL_PANEL, bounds, static_cast<int>(button.X), anchorY, items,
		             true);
		// ⚠️ 菜单一旦打开就会接管鼠标事件，样式区不会再收到 WM_MOUSEMOVE →
		// 必须在这里主动清掉按钮的悬停态，否则按钮会"像鼠标一直按着"一样持续高亮。
		ClearStyleHover();
		return true;
	}

	bool SignalPanel::OpenMirrorMenu()
	{
		if (m_menu == nullptr || m_tab == nullptr)
		{
			return false;
		}
		const SignalStyle* style = StyleOf(SelectedRef());
		if (style == nullptr)
		{
			return false;
		}

		// 两行带复选框的选项：点击即切换、且**保持菜单打开**（可连续勾选两项）。
		std::vector<MenuItem> items;

		MenuItem horizontal;
		horizontal.kind = MenuItemKind::NORMAL;
		horizontal.label = L"水平镜像";
		horizontal.id = CMD_MIRROR_HORIZONTAL;
		horizontal.checked = style->mirrorHorizontal;
		horizontal.keepOpen = true;
		items.push_back(horizontal);

		MenuItem vertical;
		vertical.kind = MenuItemKind::NORMAL;
		vertical.label = L"垂直镜像";
		vertical.id = CMD_MIRROR_VERTICAL;
		vertical.checked = style->mirrorVertical;
		vertical.keepOpen = true;
		items.push_back(vertical);

		const gd::RectF& button = m_adjustRects[kAdjustMirror];
		const gd::RectF bounds = (m_clientBounds.Width > 1.0f) ? m_clientBounds : m_area;
		// 与「系数/偏移」面板同一套锛定：向上展开，左下角 = 按钮左上角再上移一点。
		const int anchorY =
		    static_cast<int>(std::lround(button.Y - kAdjustMenuGap * m_scale));
		m_menu->Open(MenuScope::SIGNAL_PANEL, bounds, static_cast<int>(button.X), anchorY, items,
		             true);
		ClearStyleHover();
		return true;
	}

	void SignalPanel::ClearStyleHover()
	{
		if (m_hoverStyle == StyleHit::NONE && m_hoverStyleIndex < 0)
		{
			return;
		}
		m_hoverStyle = StyleHit::NONE;
		m_hoverStyleIndex = -1;
	}

	bool SignalPanel::CloseTransientUi()
	{
		bool changed = false;
		if (m_editField != StyleEditField::NONE)
		{
			changed = EndEdit(true) || changed;
		}
		// 点击面板之外也要结束「筛选信号」的编辑状态。
		if (m_filterEditing)
		{
			changed = EndFilterEdit() || changed;
		}
		if (m_colorPicker != nullptr && m_colorPicker->IsOpen())
		{
			m_colorPicker->Close();
			changed = true;
		}
		// 面板外点击：取消尚未抬起确认的关闭操作。
		m_pendingClosePart = RowPart::NONE;
		m_pendingCloseRow = -1;
		m_pendingFilterClear = false;
		m_pendingGainMenu = false;
		m_pendingMirrorMenu = false;
		m_pendingTargetLaneMenu = false;
		return changed;
	}

	void SignalPanel::OpenSignalMenu(const SignalRef& ref, int x, int y)
	{
		if (m_menu == nullptr || m_tab == nullptr || m_dataSet == nullptr)
		{
			return;
		}

		const SignalStyle* style = StyleOf(ref);
		const SignalData* signal = m_dataSet->Resolve(ref);
		if (style == nullptr || signal == nullptr)
		{
			return;
		}

		m_menuTargetSignal = ref;
		m_menuTargetGroup = -1;

		std::vector<MenuItem> items;

		MenuItem header;
		header.kind = MenuItemKind::HEADER;
		header.label = signal->name;
		items.push_back(header);

		MenuItem toggle;
		toggle.label = m_tab->IsVisible(ref) ? L"隐藏该信号" : L"显示该信号";
		toggle.id = CMD_SIGNAL_TOGGLE;
		items.push_back(toggle);

		MenuItem solo;
		solo.label = L"仅显示该信号";
		solo.id = CMD_SIGNAL_SOLO;
		items.push_back(solo);

		MenuItem showAll;
		showAll.label = L"显示全部信号";
		showAll.id = CMD_SIGNAL_SHOW_ALL;
		items.push_back(showAll);

		MenuItem hideAll;
		hideAll.label = L"隐藏全部信号";
		hideAll.id = CMD_SIGNAL_HIDE_ALL;
		items.push_back(hideAll);

		MenuItem separator;
		separator.kind = MenuItemKind::SEPARATOR;
		items.push_back(separator);

		int paletteCount = 0;
		const std::uint32_t* palette = SignalPalette(paletteCount);
		MenuItem colors;
		colors.kind = MenuItemKind::SWATCHES;
		colors.id = CMD_COLOR_BASE;
		colors.swatchCount = std::min(paletteCount, 16);
		colors.checkedSwatch = -1;
		for (int index = 0; index < colors.swatchCount; ++index)
		{
			colors.swatches[index] = palette[index];
			if (style->color == palette[index])
			{
				colors.checkedSwatch = index;
			}
		}
		items.push_back(colors);

		MenuItem modeHeader;
		modeHeader.kind = MenuItemKind::HEADER;
		modeHeader.label = L"样式";
		items.push_back(modeHeader);

		for (int index = 0; index < kModeOptionCount; ++index)
		{
			MenuItem mode;
			mode.label = DrawModeName(kModeOptions[index]);
			mode.id = CMD_MODE_BASE + index;
			mode.checked = (style->mode == kModeOptions[index]);
			items.push_back(mode);
		}

		const gd::RectF bounds = (m_clientBounds.Width > 1.0f) ? m_clientBounds : m_area;
		m_menu->Open(MenuScope::SIGNAL_PANEL, bounds, x, y, items);
	}

	void SignalPanel::OpenGroupMenu(int groupIndex, int x, int y)
	{
		if (m_menu == nullptr || m_tab == nullptr || m_dataSet == nullptr)
		{
			return;
		}

		const SignalGroup* group = m_dataSet->GroupAt(groupIndex);
		if (group == nullptr)
		{
			return;
		}

		m_menuTargetGroup = groupIndex;
		m_menuTargetSignal = SignalRef();

		std::vector<MenuItem> items;

		MenuItem header;
		header.kind = MenuItemKind::HEADER;
		header.label = group->name;
		items.push_back(header);

		MenuItem showAll;
		showAll.label = L"选中该分组全部信号";
		showAll.id = CMD_GROUP_SHOW_ALL;
		items.push_back(showAll);

		MenuItem hideAll;
		hideAll.label = L"取消该分组全部信号";
		hideAll.id = CMD_GROUP_HIDE_ALL;
		items.push_back(hideAll);

		MenuItem separator;
		separator.kind = MenuItemKind::SEPARATOR;
		items.push_back(separator);

		MenuItem remove;
		remove.label = L"关闭该分组（从工作区移除）";
		remove.id = CMD_GROUP_REMOVE;
		items.push_back(remove);

		const gd::RectF bounds = (m_clientBounds.Width > 1.0f) ? m_clientBounds : m_area;
		m_menu->Open(MenuScope::SIGNAL_PANEL, bounds, x, y, items);
	}

	void SignalPanel::OpenLaneMenu(const SignalRef& ref, int x, int y)
	{
		if (m_menu == nullptr || m_tab == nullptr || m_dataSet == nullptr)
		{
			return;
		}

		const SignalData* signal = m_dataSet->Resolve(ref);
		if (signal == nullptr)
		{
			return;
		}

		m_menuTargetSignal = ref;
		m_menuTargetGroup = -1;

		std::vector<MenuItem> items;

		MenuItem header;
		header.kind = MenuItemKind::HEADER;
		header.label = L"所属网格";
		items.push_back(header);

		const std::vector<Lane>& lanes = m_tab->Lanes();
		const int currentLane = m_tab->LaneOfSignal(ref);
		for (std::size_t index = 0; index < lanes.size(); ++index)
		{
			MenuItem lane;
			lane.label = L"网格 " + std::to_wstring(index + 1) + L"（" +
			             std::to_wstring(lanes[index].signals.size()) + L" 条信号）";
			lane.id = CMD_LANE_BASE + static_cast<int>(index);
			lane.checked = (currentLane == static_cast<int>(index));
			items.push_back(lane);
		}

		MenuItem separator;
		separator.kind = MenuItemKind::SEPARATOR;
		items.push_back(separator);

		MenuItem create;
		create.label = L"新建网格";
		create.id = CMD_LANE_NEW;
		items.push_back(create);

		const gd::RectF bounds = (m_clientBounds.Width > 1.0f) ? m_clientBounds : m_area;
		// ⚠️ 网格可能是**上百个**（例如把 MF4 的全部信号各自放进独立网格）：
		// 不限制高度时菜单会长到屏幕之外、且逐条绘制上百行会明显卡顿。
		// 这里限制可滚动条目区**最多显示 10 行**（用户 2026-10-16 要求）：
		// 超出部分用滚轮 / 右侧滚动条翻动，而顶部「所属网格」标题与底部的
		// 「新建网格」**始终固定不动**。
		MenuLayoutConstraint constraint;
		constraint.maxScrollRows = kLaneMenuVisibleRows;
		// 额外加一道硬上限：窗口很矮时也不得超出客户区（与行数上限取更严格者）。
		constraint.maxHeight = std::max(180.0f, bounds.Height * 0.8f);
		m_menu->Open(MenuScope::SIGNAL_PANEL, bounds, x, y, items, false, constraint);
	}

	bool SignalPanel::OnMenuCommand(const MenuResult& result)
	{
		if (m_tab == nullptr || m_dataSet == nullptr || !result.valid)
		{
			return false;
		}

		// 「系数」/「偏移」二级面板里的输入框提交：就地更新，面板保持打开
		//（与网格 Y 轴上下限的菜单内联编辑一致），并把夹取后的真实值回写到输入框上。
		if (result.editCommit)
		{
			SignalStyle* style = StyleOf(SelectedRef());
			if (style != nullptr)
			{
				const std::wstring trimmed = Trim(result.editText);
				wchar_t* stop = nullptr;
				const double parsed =
				    trimmed.empty() ? 0.0 : std::wcstod(trimmed.c_str(), &stop);
				// 非法/空输入保持原值（只把真实值回写到输入框，避免用户看到错误的数字）。
				const bool valid = !trimmed.empty() && stop != trimmed.c_str() && std::isfinite(parsed);
				switch (result.id)
				{
				case CMD_GAIN_EDIT:
				{
					if (valid)
					{
						style->gain =
						    static_cast<float>(std::max(-kGainLimit, std::min(parsed, kGainLimit)));
					}
					if (m_menu != nullptr)
					{
						m_menu->UpdateItemValue(CMD_GAIN_EDIT, FormatGainText(style->gain),
						                        FormatNumberText(static_cast<double>(style->gain)));
					}
					return false;
				}
				case CMD_OFFSET_Y:
				{
					if (valid)
					{
						style->offsetY = static_cast<float>(
						    std::max(-static_cast<double>(kGainLimit), std::min(parsed, kGainLimit)));
					}
					if (m_menu != nullptr)
					{
						m_menu->UpdateItemValue(
						    CMD_OFFSET_Y, FormatSignedNumber(static_cast<double>(style->offsetY)),
						    FormatNumberText(static_cast<double>(style->offsetY)));
					}
					return false;
				}
				case CMD_OFFSET_TIME:
				{
					if (valid)
					{
						style->offsetTime =
						    std::max(-kGainLimit, std::min(parsed, kGainLimit));
					}
					if (m_menu != nullptr)
					{
						m_menu->UpdateItemValue(CMD_OFFSET_TIME,
						                        FormatOffsetTimeText(style->offsetTime),
						                        FormatNumberText(style->offsetTime));
					}
					return false;
				}
				default:
					break;
				}
			}
			else
			{
				return false;
			}
		}

		// 标题栏右侧的「还原」图标：系数重置为默认值 1（面板保持打开，输入框立即回显）。
		if (result.id == CMD_GAIN_RESET)
		{
			if (SignalStyle* style = StyleOf(SelectedRef()))
			{
				style->gain = 1.0f;
				if (m_menu != nullptr)
				{
					m_menu->UpdateItemValue(CMD_GAIN_EDIT, FormatGainText(style->gain),
					                        FormatNumberText(static_cast<double>(style->gain)));
				}
			}
			return false;
		}

		// 「偏移调整」的「还原」图标：Y 与时间偏移都恢复为默认值 0。
		if (result.id == CMD_OFFSET_RESET)
		{
			if (SignalStyle* style = StyleOf(SelectedRef()))
			{
				style->offsetY = 0.0f;
				style->offsetTime = 0.0;
				if (m_menu != nullptr)
				{
					m_menu->UpdateItemValue(CMD_OFFSET_Y, FormatSignedNumber(0.0),
					                        FormatNumberText(0.0));
					m_menu->UpdateItemValue(CMD_OFFSET_TIME, FormatOffsetTimeText(0.0),
					                        FormatNumberText(0.0));
				}
			}
			return false;
		}

		// 「镜像」二级面板：两行带复选框的切换项（面板保持打开，勾选状态就地回写）。
		if (result.id == CMD_MIRROR_HORIZONTAL || result.id == CMD_MIRROR_VERTICAL)
		{
			if (SignalStyle* style = StyleOf(SelectedRef()))
			{
				const bool horizontal = (result.id == CMD_MIRROR_HORIZONTAL);
				bool& flag = horizontal ? style->mirrorHorizontal : style->mirrorVertical;
				flag = !flag;
				if (!horizontal)
				{
					// ⚠️ Y 偏移以**未镜像空间**为准：垂直镜像开关变化时同步取反偏移量，
					// 使绘制等价于「先加上偏移再镜像」（用户明确要求）。
					style->offsetY = -style->offsetY;
					if (m_menu != nullptr)
					{
						m_menu->UpdateItemValue(
						    CMD_OFFSET_Y, FormatSignedNumber(static_cast<double>(style->offsetY)),
						    FormatNumberText(static_cast<double>(style->offsetY)));
					}
				}
				if (m_menu != nullptr)
				{
					m_menu->UpdateItemLabel(result.id, horizontal ? L"水平镜像" : L"垂直镜像", flag, true);
				}
			}
			return false;
		}

		bool needRelayout = false;

		switch (result.id)
		{
		case CMD_SIGNAL_TOGGLE:
			if (m_menuTargetSignal.IsValid())
			{
				m_tab->ToggleVisible(m_menuTargetSignal);
				m_rowsDirty = true;
				needRelayout = true;
			}
			break;
		case CMD_SIGNAL_SOLO:
			if (m_menuTargetSignal.IsValid())
			{
				m_tab->SoloSignal(m_menuTargetSignal);
				m_rowsDirty = true;
				needRelayout = true;
			}
			break;
		case CMD_SIGNAL_SHOW_ALL:
			m_tab->SetAllVisible(true);
			m_rowsDirty = true;
			needRelayout = true;
			break;
		case CMD_SIGNAL_HIDE_ALL:
			m_tab->SetAllVisible(false);
			m_rowsDirty = true;
			needRelayout = true;
			break;
		case CMD_GROUP_SHOW_ALL:
			if (m_menuTargetGroup >= 0)
			{
				m_tab->SetGroupVisible(m_menuTargetGroup, true);
				m_rowsDirty = true;
				needRelayout = true;
			}
			break;
		case CMD_GROUP_HIDE_ALL:
			if (m_menuTargetGroup >= 0)
			{
				m_tab->SetGroupVisible(m_menuTargetGroup, false);
				m_rowsDirty = true;
				needRelayout = true;
			}
			break;
		case CMD_GROUP_REMOVE:
			if (m_menuTargetGroup >= 0 && m_host != nullptr)
			{
				PostMessageW(m_host, WM_APP + 1, static_cast<WPARAM>(m_menuTargetGroup), 0);
			}
			break;
		case CMD_LANE_NEW:
			if (m_menuTargetSignal.IsValid())
			{
				m_tab->MoveSignalToLane(*m_dataSet, m_menuTargetSignal, -1);
				m_rowsDirty = true;
				needRelayout = true;
			}
			break;
		default:
			if (result.id >= CMD_LANE_BASE && result.id < CMD_LANE_NEW)
			{
				if (m_menuTargetSignal.IsValid())
				{
					m_tab->MoveSignalToLane(*m_dataSet, m_menuTargetSignal, result.id - CMD_LANE_BASE);
					m_rowsDirty = true;
					needRelayout = true;
				}
			}
			else if (result.id == CMD_COLOR_BASE && result.swatchIndex >= 0)
			{
				if (SignalStyle* style = StyleOf(m_menuTargetSignal))
				{
					int paletteCount = 0;
					const std::uint32_t* palette = SignalPalette(paletteCount);
					style->color = palette[result.swatchIndex % std::max(1, paletteCount)];
				}
			}
			else if (result.id >= CMD_MODE_BASE && result.id < CMD_MODE_BASE + kModeOptionCount)
			{
				if (SignalStyle* style = StyleOf(m_menuTargetSignal))
				{
					style->mode = kModeOptions[result.id - CMD_MODE_BASE];
				}
			}
			break;
		}

		return needRelayout;
	}

} // namespace jdi