#include "Window.h"
#include "Dialog.h"
#include"SxLog.h"
#include <easyx.h>
#include <algorithm>
static bool SxIsNoisyMsg(UINT m)
{
	return m == WM_MOUSEMOVE;
}

static const char* SxMsgName(UINT m)
{
	switch (m)
	{
	case WM_MOUSEMOVE:   return "WM_MOUSEMOVE";
	case WM_LBUTTONDOWN: return "WM_LBUTTONDOWN";
	case WM_LBUTTONUP:   return "WM_LBUTTONUP";
	case WM_RBUTTONDOWN: return "WM_RBUTTONDOWN";
	case WM_RBUTTONUP:   return "WM_RBUTTONUP";
	case WM_KEYDOWN:     return "WM_KEYDOWN";
	case WM_KEYUP:       return "WM_KEYUP";
	case WM_CHAR:        return "WM_CHAR";
	case WM_SIZE:        return "WM_SIZE";
	default:             return "WM_?";
	}
}

/**
 * ApplyResizableStyle
 * 作用：统一设置可拉伸/裁剪样式，并按开关使用 WS_EX_COMPOSITED（合成双缓冲）。
 * 关键点：
 *  - WS_THICKFRAME：允许从四边/四角拖动改变尺寸。
 *  - WS_CLIPCHILDREN / WS_CLIPSIBLINGS：避免子控件互相覆盖时闪烁。
 *  - WS_EX_COMPOSITED：在一些环境更平滑，但个别显卡/驱动可能带来一帧延迟感。
 *  - SWP_FRAMECHANGED：通知窗口样式已变更，强制系统重算非客户区（标题栏/边框）。
 */
static void ApplyResizableStyle(HWND h, bool useComposited)
{
	LONG style = GetWindowLong(h, GWL_STYLE);
	style |= WS_THICKFRAME | WS_MAXIMIZEBOX | WS_MINIMIZEBOX | WS_CLIPCHILDREN | WS_CLIPSIBLINGS;
	SetWindowLong(h, GWL_STYLE, style);

	LONG ex = GetWindowLong(h, GWL_EXSTYLE);
	if (useComposited)
	{
		ex |= WS_EX_COMPOSITED;
	}
	else
	{
		ex &= ~WS_EX_COMPOSITED;
	}
	SetWindowLong(h, GWL_EXSTYLE, ex);

	SetWindowPos(h, NULL, 0, 0, 0, 0,
		SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_FRAMECHANGED);
}

/**
 * ApplyMinSizeOnSizing
 * 作用：在 WM_SIZING 阶段执行“最小尺寸夹紧”。
 * 规则：只回推“被拖动的那一侧”，另一侧当锚点（避免几何回弹/位置漂移）。
 * 步骤：
 *  1）将“最小客户区尺寸”通过 AdjustWindowRectEx 换算为“最小窗口矩形”（含非客户区）。
 *  2）若当前矩形比最小还小，则根据 edge（哪条边/角在被拖）调整对应边，另一侧保持不动。
 * 说明：仅保证不小于最小值；不做对齐/回滚等操作，把其余交给系统尺寸逻辑。
 */
static void ApplyMinSizeOnSizing(RECT* prc, WPARAM edge, HWND hWnd, int minClientW, int minClientH)
{
	RECT rcFrame{ 0, 0, minClientW, minClientH };
	DWORD style = GetWindowLong(hWnd, GWL_STYLE);
	DWORD ex = GetWindowLong(hWnd, GWL_EXSTYLE);
	AdjustWindowRectEx(&rcFrame, style, FALSE, ex);

	const int minW = rcFrame.right - rcFrame.left;
	const int minH = rcFrame.bottom - rcFrame.top;

	const int curW = prc->right - prc->left;
	const int curH = prc->bottom - prc->top;

	if (curW < minW)
	{
		switch (edge)
		{
		case WMSZ_LEFT:
		case WMSZ_TOPLEFT:
		case WMSZ_BOTTOMLEFT:
			prc->left = prc->right - minW;   // 锚定右侧，回推左侧（左边被拖）
			break;
		default:
			prc->right = prc->left + minW;   // 锚定左侧，回推右侧（右边被拖）
			break;
		}
	}

	if (curH < minH)
	{
		switch (edge)
		{
		case WMSZ_TOP:
		case WMSZ_TOPLEFT:
		case WMSZ_TOPRIGHT:
			prc->top = prc->bottom - minH;   // 锚定下侧，回推上侧（上边被拖）
			break;
		default:
			prc->bottom = prc->top + minH;   // 锚定上侧，回推下侧（下边被拖）
			break;
		}
	}
}

// ---------------- 构造 / 析构 ----------------

/**
 * 构造：初始化当前尺寸、待应用尺寸、最小客户区尺寸与 EasyX 模式。
 * 注意：样式设置与子类化放在 draw() 内第一次绘制时完成。
 */
Window::Window(int w, int h, int mode)
{
	localwidth = minClientW = pendingW = width = w;
	localheight = minClientH = pendingH = height = h;
	windowMode = mode;
}

Window::Window(int w, int h, int mode, COLORREF bk)
{
	localwidth = minClientW = pendingW = width = w;
	localheight = minClientH = pendingH = height = h;
	windowMode = mode;
	wBkcolor = bk;
}

Window::Window(int w, int h, int mode, COLORREF bk, std::string title)
{
	localwidth = minClientW = pendingW = width = w;
	localheight = minClientH = pendingH = height = h;
	windowMode = mode;
	wBkcolor = bk;
	headline = std::move(title);
}

Window::~Window()
{
	// 析构：释放背景图对象并关闭 EasyX 图形环境
	if (background) delete background;
	background = nullptr;
	closegraph();
}

// ---------------- 原生消息钩子----------------

/**
 * WndProcThun
 * 作用：替换 EasyX 的窗口过程，接管关键消息。
 * 关键处理：
 *  - WM_ERASEBKGND：返回 1，交由自绘清屏，避免系统擦背景造成闪烁。
 *  - WM_ENTERSIZEMOVE：开始拉伸 → isSizing=true 且 WM_SETREDRAW(FALSE) 冻结重绘。
 *  - WM_SIZING：拉伸中 → 仅做“最小尺寸夹紧”（按被拖边回推），不回滚、不绘制。
 *  - WM_EXITSIZEMOVE：结束拉伸 → 读取最终客户区尺寸 → 标记 needResizeDirty，解冻并刷新。
 *  - WM_GETMINMAXINFO：提供系统最小轨迹限制（四边一致）。
 */
LRESULT CALLBACK Window::WndProcThunk(HWND h, UINT m, WPARAM w, LPARAM l)
{
	auto* self = reinterpret_cast<Window*>(GetWindowLongPtr(h, GWLP_USERDATA));
	if (!self)
	{
		return DefWindowProc(h, m, w, l);
	}

	// 关键点①：禁止系统擦背景，避免和我们自己的清屏/双缓冲打架造成闪烁
	if (m == WM_ERASEBKGND)
	{
		return 1;
	}

	// 关键点②：拉伸开始 → 冻结重绘（系统调整窗口矩形时不触发即时重绘，防止抖）
	if (m == WM_ENTERSIZEMOVE)
	{
		SX_LOGI("Resize") << SX_T("WM_ENTERSIZEMOVE: 开始测量尺寸","WM_ENTERSIZEMOVE: begin sizing");
		self->isSizing = true;
		SendMessage(h, WM_SETREDRAW, FALSE, 0);
		return 0;
	}

	// 关键点③：拉伸中 → 仅执行“最小尺寸夹紧”，不做对齐/节流/回滚，保持系统自然流畅
	if (m == WM_SIZING)
	{
		RECT* prc = reinterpret_cast<RECT*>(l);
		// “尺寸异常值”快速过滤：仅保护极端值，不影响正常拖动
		int currentWidth = prc->right - prc->left;
		int currentHeight = prc->bottom - prc->top;
		if (currentWidth < 0 || currentHeight < 0 || currentWidth > 10000 || currentHeight > 10000)
		{
			return TRUE;
		}

		ApplyMinSizeOnSizing(prc, w, h, self->minClientW, self->minClientH);
		RECT before = *prc;// 记录调整前矩形以便日志输出
		if (before.left != prc->left || before.top != prc->top || before.right != prc->right || before.bottom != prc->bottom)
		{
			SX_LOGD("Resize")
				<< SX_T("WM_SIZING 夹具：","WM_SIZING clamp: ")
				<< SX_T("之前=(","before=(") << (before.right - before.left) << "x" << (before.bottom - before.top) << ") "
				<< SX_T("之后=（","after=(") << (prc->right - prc->left) << "x" << (prc->bottom - prc->top) << ")";
		}
		return TRUE;
	}

	// 关键点④：拉伸结束 → 解冻重绘 + 统一收口（记录最终尺寸 -> 标记 needResizeDirty）
	if (m == WM_EXITSIZEMOVE)
	{
		self->isSizing = false;

		RECT rc; GetClientRect(h, &rc);
		const int aw = rc.right - rc.left;
		const int ah = rc.bottom - rc.top;
		if (aw >= self->minClientW && ah >= self->minClientH && aw <= 10000 && ah <= 10000)
		{
			self->pendingW = aw;
			self->pendingH = ah;
			self->needResizeDirty = true;
			SX_LOGI("Resize") << SX_T("WM_EXITSIZEMOVE: 最终尺寸，待重绘=(","WM_EXITSIZEMOVE: end sizing, pending=(" )<< self->pendingW << "x" << self->pendingH << "), needResizeDirty=1";
		}

		// 结束拉伸后不立即执行重绘，待事件循环统一收口。
		// 立即解冻重绘标志，同时标记区域为有效，避免触发额外 WM_PAINT。
		SendMessage(h, WM_SETREDRAW, TRUE, 0);
		ValidateRect(h, nullptr);
		return 0;
	}

	// 关键点⑤：系统级最小轨迹限制（与 WM_SIZING 的夹紧互相配合）
	if (m == WM_GETMINMAXINFO)
	{
		auto* mmi = reinterpret_cast<MINMAXINFO*>(l);
		RECT rc{ 0, 0, self->minClientW, self->minClientH };
		DWORD style = GetWindowLong(h, GWL_STYLE);
		DWORD ex = GetWindowLong(h, GWL_EXSTYLE);
		// 若后续添加菜单，请把第三个参数改为 HasMenu(h)
		AdjustWindowRectEx(&rc, style, FALSE, ex);
		mmi->ptMinTrackSize.x = rc.right - rc.left;
		mmi->ptMinTrackSize.y = rc.bottom - rc.top;
		return 0;
	}

	// 其它消息：回落到旧过程
	return self->oldWndProc ? CallWindowProc(self->oldWndProc, h, m, w, l)
		: DefWindowProc(h, m, w, l);
}

// ---------------- 绘制 ----------------

/**
 * draw()
 * 作用：首次初始化 EasyX 窗口与子类化过程；应用可拉伸样式；清屏并批量绘制。
 * 关键步骤：
 *  1）initgraph 拿到 hWnd；
 *  2）SetWindowLongPtr 子类化到 WndProcThunk（只做一次）；
 *  3）ApplyResizableStyle 设置 WS_THICKFRAME/裁剪/（可选）合成双缓冲；
 *  4）去掉类样式 CS_HREDRAW/CS_VREDRAW，避免全窗无效化引发闪屏；
 *  5）清屏 + Begin/EndBatchDraw 批量绘制控件&对话框。
 */
void Window::draw()
{
	if (!hWnd)
	{
		hWnd = initgraph(width, height, windowMode);
	}

	// 子类化：让我们的 WndProcThunk 接管窗口消息（仅执行一次）
	if (!procHooked)
	{
		SetWindowLongPtr(hWnd, GWLP_USERDATA, (LONG_PTR)this);
		oldWndProc = (WNDPROC)SetWindowLongPtr(hWnd, GWLP_WNDPROC, (LONG_PTR)&Window::WndProcThunk);
		procHooked = (oldWndProc != nullptr);
	}
	if (!headline.empty())
	{
		SetWindowText(hWnd, headline.c_str());
	}
	ApplyResizableStyle(hWnd, useComposited);

	// 关闭类样式的整窗重绘标志（减少尺寸变化时的整窗 redraw）
	LONG_PTR cls = GetClassLongPtr(hWnd, GCL_STYLE);
	cls &= ~(CS_HREDRAW | CS_VREDRAW);
	SetClassLongPtr(hWnd, GCL_STYLE, cls);

	setbkcolor(wBkcolor);
	cleardevice();

	BeginBatchDraw();
	for (auto& c : controls)
	{
		c->draw();
	}
	for (auto& d : dialogs)
	{
		d->draw();
	}
	EndBatchDraw();
}

/**
 * draw(imagePath)
 * 作用：在 draw() 的基础上加载并绘制背景图；其它流程完全一致。
 * 注意：这里按当前窗口客户区大小加载背景图（loadimage 的 w/h），保证铺满。
 */
void Window::draw(std::string imagePath)
{
	if (!hWnd)
	{
		hWnd = initgraph(width, height, windowMode);
	}

	if (!procHooked)
	{
		SetWindowLongPtr(hWnd, GWLP_USERDATA, (LONG_PTR)this);
		oldWndProc = (WNDPROC)SetWindowLongPtr(hWnd, GWLP_WNDPROC, (LONG_PTR)&Window::WndProcThunk);
		procHooked = (oldWndProc != nullptr);
	}

	bkImageFile = std::move(imagePath);
	if (!headline.empty())
	{
		SetWindowText(hWnd, headline.c_str());
	}

	ApplyResizableStyle(hWnd, useComposited);

	LONG_PTR cls = GetClassLongPtr(hWnd, GCL_STYLE);
	cls &= ~(CS_HREDRAW | CS_VREDRAW);
	SetClassLongPtr(hWnd, GCL_STYLE, cls);

	if (background)
	{
		delete background;
		background = nullptr;
	}
	background = new IMAGE;
	loadimage(background, bkImageFile.c_str(), width, height, true);
	putimage(0, 0, background);

	BeginBatchDraw();
	for (auto& c : controls)
	{
		c->setDirty(true);
		c->draw();
	}
	for (auto& d : dialogs)
	{
		d->draw();
	}
	EndBatchDraw();
}

// ---------------- 事件循环 ----------------

/**
 * runEventLoop()
 * 作用：驱动输入/窗口消息；集中处理“统一收口重绘”。
 * 关键策略：
 *  - WM_SIZE：始终更新 pendingW/H（即使在拉伸中也只记录不立即绘制）；
 *  - needResizeDirty：当尺寸确实变化时置位，随后在循环尾进行一次性重绘；
 *  - 非模态对话框优先消费事件（顶层从后往前）；再交给普通控件。
 */
int Window::runEventLoop()
{
	ExMessage msg;
	bool running = true;

	// 说明：统一使用 needResizeDirty 作为“收口重绘”的唯一标志位
	//       不再引入额外 pendingResize 等状态，避免分叉导致状态不一致。
	while (running)
	{
	
		bool consume = false;

		if (peekmessage(&msg, EX_MOUSE | EX_KEY | EX_WINDOW, true))
		{
			if (msg.message == WM_CLOSE)
			{
				running = false;
				return 0;
			}

			// 保险：如果 EX_WINDOW 转译了 GETMINMAXINFO，同样按最小客户区折算处理
			if (msg.message == WM_GETMINMAXINFO)
			{
				auto* mmi = reinterpret_cast<MINMAXINFO*>(msg.lParam);
				RECT rc{ 0, 0, minClientW, minClientH };
				DWORD style = GetWindowLong(hWnd, GWL_STYLE);
				DWORD ex = GetWindowLong(hWnd, GWL_EXSTYLE);
				AdjustWindowRectEx(&rc, style, FALSE, ex);
				mmi->ptMinTrackSize.x = rc.right - rc.left;
				mmi->ptMinTrackSize.y = rc.bottom - rc.top;
				continue;
			}

			// 关键点⑥：WM_SIZE 只记录新尺寸；若非拉伸阶段则立即置位 needResizeDirty
			if (msg.message == WM_SIZE && msg.wParam != SIZE_MINIMIZED)
			{
				const int nw = LOWORD(msg.lParam);
				const int nh = HIWORD(msg.lParam);

				// 基本合法性校验（不小于最小值、不过大）
				if (nw >= minClientW && nh >= minClientH && nw <= 10000 && nh <= 10000)
				{
					if (nw != width || nh != height)
					{
						pendingW = nw;
						pendingH = nh;
						// 在“非拉伸阶段”的 WM_SIZE（例如最大化/还原/程序化调整）直接触发收口
						needResizeDirty = true;
						SX_LOGD("Resize") <<SX_T("WM_SIZE：待处理=(", "WM_SIZE: pending=(") << pendingW << "x" << pendingH << "), isSizing=" << (isSizing ? 1 : 0);

					}
				}
				continue;
			}

			// 输入优先：先给顶层“非模态对话框”，再传给普通控件
			for (auto it = dialogs.rbegin(); it != dialogs.rend(); ++it)
			{
				auto& d = *it;
				if (d->IsVisible() && !d->model())
				{
					consume = d->handleEvent(msg);
				}
				if (consume)
				{
					SX_LOGD("Event") << SX_T("事件被非模态对话框处理","Event consumed by non-modal dialog");
					break;
				}
			}
			if (!consume)
			{
				for (auto& c : controls)
				{
					consume = c->handleEvent(msg);
					if (consume)
					{
						SX_LOGD("Event") << SX_T("事件被控件处理 id=","Event consumed by control id=") << c->getId();
						break;
					}
				}
			}
		}

		//如果有对话框打开或者关闭强制重绘
		bool needredraw = false;
		for (auto& d : dialogs)
		{
			needredraw = d->IsVisible();
			if (needredraw)break;
		}
		if (needredraw || dialogClose)
		{
			// 对话框关闭后，需要手动合成一个鼠标移动消息并分发给所有普通控件，
			// 以便它们能及时更新悬停状态（hover），否则悬停状态可能保持错误状态。
			// 先把当前鼠标位置转换为客户区坐标，并合成一次 WM_MOUSEMOVE，先分发给控件更新 hover 状态
			POINT pt;
			if (GetCursorPos(&pt))
			{
				ScreenToClient(this->hWnd, &pt);
				ExMessage mm;
				mm.message = WM_MOUSEMOVE;
				mm.x = (short)pt.x;
				mm.y = (short)pt.y;
				// 只分发给 window 层控件（因为 dialog 已经关闭或即将关闭）
				for (auto& c : controls)
					c->handleEvent(mm);
			}

			BeginBatchDraw();
			// 先绘制普通控件
			for (auto& c : controls)
				c->draw();
			// 然后绘制对话框（确保对话框在最上层）
			for (auto& d : dialogs)
			{
				if (!d->model() && d->IsVisible())
					d->setDirty(true);
				d->draw();
			}
			EndBatchDraw();
			needredraw = false;
		}
		// —— 统一收口（needResizeDirty 为真时执行一次性重绘）——
		if (needResizeDirty)
		{
			SX_LOGI("Resize") << SX_T("调整窗口尺寸开始：width=","Resize settle start: width=") << width << " height=" << height;
			SX_TRACE_SCOPE(SX_T("调整尺寸","Resize"),SX_T("窗口：调整尺寸", "Window::resize_settle"));

			// 以“实际客户区尺寸”为准，防止 pending 与真实尺寸出现偏差
			RECT clientRect;
			GetClientRect(hWnd, &clientRect);
			int actualWidth = clientRect.right - clientRect.left;
			int actualHeight = clientRect.bottom - clientRect.top;

			const int finalW = (std::max)(minClientW, actualWidth);
			const int finalH = (std::max)(minClientH, actualHeight);

			// 变化过大/异常场景保护
			if (finalW != width || finalH != height)
			{
				if (abs(finalW - width) > 1000 || abs(finalH - height) > 1000)
				{
					// 认为是异常帧，跳过本次（不改变任何状态）
					needResizeDirty = false;
					continue;
				}

				// 再次冻结窗口更新，保证批量绘制的原子性
				SendMessage(hWnd, WM_SETREDRAW, FALSE, 0);

				BeginBatchDraw();

				// 调整底层画布尺寸
				if (finalW != width || finalH != height)
				{
					// 批量通知控件“窗口尺寸变化”，并标记重绘
					for (auto& c : controls)
						adaptiveLayout(c, finalH, finalW);
					for (auto& d : dialogs)
					{
						if (auto dd = dynamic_cast<Dialog*>(d.get()))
						{
							dd->setDirty(true);
							dd->setInitialization(true);
						}
					}
					//重绘窗口
					Resize(nullptr, finalW, finalH);

					// 重取一次实际客户区尺寸做确认
					GetClientRect(hWnd, &clientRect);
					int confirmedWidth = clientRect.right - clientRect.left;
					int confirmedHeight = clientRect.bottom - clientRect.top;

					int renderWidth = confirmedWidth;
					int renderHeight = confirmedHeight;

					// 背景：若设置了背景图则重载并铺满；否则清屏为纯色
					if (background && !bkImageFile.empty())
					{
						delete background;
						background = new IMAGE;
						loadimage(background, bkImageFile.c_str(), renderWidth, renderHeight, true);
						putimage(0, 0, background);
					}
					else
					{
						setbkcolor(wBkcolor);
						cleardevice();
					}

					// 最终提交“当前已应用尺寸”（用于外部查询/下次比较）
					width = renderWidth;
					height = renderHeight;
				}

				// 统一批量绘制
				for (auto& c : controls) c->draw();
				for (auto& d : dialogs) d->draw();

				EndBatchDraw();

				// 解冻后标记区域有效，避免系统再次触发 WM_PAINT 覆盖自绘内容。
				SendMessage(hWnd, WM_SETREDRAW, TRUE, 0);
				ValidateRect(hWnd, nullptr);
			}
			SX_LOGI("Resize") << SX_T("尺寸调整已完成：width=","Resize settle done: width=") << width << " height=" << height;

			needResizeDirty = false; // 收口完成，清标志
		}

		// 轻微睡眠，削峰填谷（不阻塞拖拽体验）
		Sleep(10);
	}

	return 1;
}

// ---------------- 其余接口 ----------------

void Window::setBkImage(std::string pImgFile)
{
	// 更换背景图：立即加载并绘制一次；同时将所有控件标 dirty 并重绘
	if (background) delete background;
	background = new IMAGE;
	bkImageFile = std::move(pImgFile);

	loadimage(background, bkImageFile.c_str(), width, height, true);
	putimage(0, 0, background);

	BeginBatchDraw();
	for (auto& c : controls)
	{
		c->setDirty(true);
		c->draw();
	}
	for (auto& d : dialogs)
	{
		d->setDirty(true);
		d->draw();
	}
	EndBatchDraw();
}

void Window::setBkcolor(COLORREF c)
{
	// 更换纯色背景：立即清屏并批量重绘控件/对话框
	wBkcolor = c;
	setbkcolor(wBkcolor);
	cleardevice();

	BeginBatchDraw();
	for (auto& c : controls)
	{
		c->setDirty(true);
		c->draw();
	}
	for (auto& d : dialogs)
	{
		d->setDirty(true);
		d->draw();
	}
	EndBatchDraw();
}

void Window::setHeadline(std::string title)
{
	// 设置窗口标题（仅改文本，不触发重绘）
	headline = std::move(title);
	if (hWnd)
		SetWindowText(hWnd, headline.c_str());
}

void Window::addControl(std::unique_ptr<Control> control)
{
	// 新增控件：仅加入管理容器，具体绘制在 draw()/收口时统一进行
	controls.push_back(std::move(control));
}

void Window::addDialog(std::unique_ptr<Control> dlg)
{
	// 新增非模态对话框：管理顺序决定事件优先级（顶层从后往前）
	dialogs.push_back(std::move(dlg));
}

bool Window::hasNonModalDialogWithCaption(const std::string& caption, const std::string& message) const
{
	// 查询是否存在“可见且非模态”的对话框（用于避免重复弹）
	for (const auto& dptr : dialogs)
	{
		if (!dptr) continue;
		if (auto* d = dynamic_cast<Dialog*>(dptr.get()))
			if (d->IsVisible() && !d->model() && d->GetCaption() == caption && d->GetText() == message)
				return true;
	}
	return false;
}

HWND Window::getHwnd() const
{
	return hWnd;
}

int Window::getWidth() const
{
	// 注意：这里返回 pendingW
	// 表示“最近一次收到的尺寸”（可能尚未应用到画布，最终以收口时的 width 为准）
	return pendingW;
}

int Window::getHeight() const
{
	// 同上，返回 pendingH（与 getWidth 对应）
	return pendingH;
}

std::string Window::getHeadline() const
{
	return headline;
}

COLORREF Window::getBkcolor() const
{
	return wBkcolor;
}

IMAGE* Window::getBkImage() const
{
	return background;
}

std::string Window::getBkImageFile() const
{
	return bkImageFile;
}

std::vector<std::unique_ptr<Control>>& Window::getControls()
{
	return controls;
}

void Window::pumpResizeIfNeeded()
{
	if (!needResizeDirty) return;
	SX_LOGD("Resize")
		<< SX_T("执行 pumpResizeIfNeeded：needResizeDirty=",
			"pumpResizeIfNeeded: needResizeDirty=")
		<< (needResizeDirty ? 1 : 0)
		<< SX_T("（需要进行一次缩放收口/重排重绘）", "");


	RECT rc; GetClientRect(hWnd, &rc);
	const int finalW = max(minClientW, rc.right - rc.left);
	const int finalH = max(minClientH, rc.bottom - rc.top);
	if (finalW == width && finalH == height) { needResizeDirty = false; return; }

	SendMessage(hWnd, WM_SETREDRAW, FALSE, 0);
	BeginBatchDraw();

	// Resize + 背景
	Resize(nullptr, finalW, finalH);
	GetClientRect(hWnd, &rc);
	if (background && !bkImageFile.empty())
	{
		delete background; background = new IMAGE;
		loadimage(background, bkImageFile.c_str(), rc.right - rc.left, rc.bottom - rc.top, true);
		putimage(0, 0, background);
	}
	else
	{
		setbkcolor(wBkcolor);
		cleardevice();
	}
	width = rc.right - rc.left; height = rc.bottom - rc.top;

	// 通知控件/对话框
	for (auto& c : controls)
	{
		adaptiveLayout(c, finalH, finalW);
		c->onWindowResize();
	}
	for (auto& d : dialogs)
		if (auto* dd = dynamic_cast<Dialog*>(d.get()))
			dd->setInitialization(true); // 强制对话框在新尺寸下重建布局/快照

	// 重绘
	for (auto& c : controls) c->draw();
	for (auto& d : dialogs) d->draw();

	EndBatchDraw();
	SendMessage(hWnd, WM_SETREDRAW, TRUE, 0);

	// 原实现在此调用 InvalidateRect 导致系统再次发送 WM_PAINT，从而重复绘制，
	// 这里改为 ValidateRect：直接标记区域为有效，通知系统我们已完成绘制，不必再触发 WM_PAINT。
	// 这样可以避免收口阶段的绘制与系统重绘叠加造成顺序错乱。
	ValidateRect(hWnd, nullptr);

	needResizeDirty = false;
}
void Window::scheduleResizeFromModal(int w, int h)
{
	if (w < minClientW) w = minClientW;
	if (h < minClientH) h = minClientH;
	if (w > 10000) w = 10000;
	if (h > 10000) h = 10000;

	if (w != width || h != height)
	{
		pendingW = w;
		pendingH = h;
		needResizeDirty = true;   // 交给 pumpResizeIfNeeded 做统一收口+重绘
		SX_LOGD("Resize")
			<< SX_T("模态对话框触发缩放调度：pending=(",
				"scheduleResizeFromModal: pending=(")
			<< pendingW << "x" << pendingH
			<< SX_T(")，needResizeDirty=1（标记需要缩放收口）",
				"), needResizeDirty=1");


	}
}

void Window::adaptiveLayout(std::unique_ptr<Control>& c, const int finalH, const int finalW)
{
	int origParentW = this->localwidth;
	int origParentH = this->localheight;
	if (c->getLayoutMode() == StellarX::LayoutMode::AnchorToEdges)
	{
		if ((StellarX::Anchor::Left == c->getAnchor_1() && StellarX::Anchor::Right == c->getAnchor_2())
			|| (StellarX::Anchor::Right == c->getAnchor_1() && StellarX::Anchor::Left == c->getAnchor_2()))
		{
			int origRightDist = origParentW - (c->getLocalX() + c->getLocalWidth());
			int newWidth = finalW - c->getLocalX() - origRightDist;
			c->setWidth(newWidth);
			// 左侧距离固定，ctrl->x 保持为 localx 相对窗口左侧（父容器为窗口，偏移0）
			c->setX(c->getLocalX());
		}
		else if ((StellarX::Anchor::Left == c->getAnchor_1() && StellarX::Anchor::NoAnchor == c->getAnchor_2())
			|| (StellarX::Anchor::NoAnchor == c->getAnchor_1() && StellarX::Anchor::Left == c->getAnchor_2())
			|| (StellarX::Anchor::Left == c->getAnchor_1() && StellarX::Anchor::Left == c->getAnchor_2()))
		{
			// 仅左锚定：宽度固定不变
			c->setX(c->getLocalX());
			c->setWidth(c->getLocalWidth());
		}
		else if ((StellarX::Anchor::Right == c->getAnchor_1() && StellarX::Anchor::NoAnchor == c->getAnchor_2())
			|| (StellarX::Anchor::NoAnchor == c->getAnchor_1() && StellarX::Anchor::Right == c->getAnchor_2())
			|| (StellarX::Anchor::Right == c->getAnchor_1() && StellarX::Anchor::Right == c->getAnchor_2()))
		{
			int origRightDist = origParentW - (c->getLocalX() + c->getLocalWidth());
			c->setWidth(c->getLocalWidth()); // 宽度不变
			c->setX(finalW - origRightDist - c->getWidth());
		}
		else if (StellarX::Anchor::NoAnchor == c->getAnchor_1() && StellarX::Anchor::NoAnchor == c->getAnchor_2())
		{
			c->setX(c->getLocalX());
			c->setWidth(c->getLocalWidth());
		}

		if ((StellarX::Anchor::Top == c->getAnchor_1() && StellarX::Anchor::Bottom == c->getAnchor_2())
			|| (StellarX::Anchor::Bottom == c->getAnchor_1() && StellarX::Anchor::Top == c->getAnchor_2()))
		{
			// 上下锚定：高度随窗口变化
			int origBottomDist = origParentH - (c->getLocalY() + c->getLocalHeight());
			int newHeight = finalH - c->getLocalY() - origBottomDist;
			c->setHeight(newHeight);
			c->setY(c->getLocalY());
		}
		else if ((StellarX::Anchor::Top == c->getAnchor_1() && StellarX::Anchor::NoAnchor == c->getAnchor_2())
			|| (StellarX::Anchor::NoAnchor == c->getAnchor_1() && StellarX::Anchor::Top == c->getAnchor_2())
			|| (StellarX::Anchor::Top == c->getAnchor_1() && StellarX::Anchor::Top == c->getAnchor_2()))
		{
			c->setY(c->getLocalY());
			c->setHeight(c->getLocalHeight());
		}
		else if ((StellarX::Anchor::Bottom == c->getAnchor_1() && StellarX::Anchor::NoAnchor == c->getAnchor_2())
			|| (StellarX::Anchor::NoAnchor == c->getAnchor_1() && StellarX::Anchor::Bottom == c->getAnchor_2())
			|| (StellarX::Anchor::Bottom == c->getAnchor_1() && StellarX::Anchor::Bottom == c->getAnchor_2()))
		{
			int origBottomDist = origParentH - (c->getLocalY() + c->getLocalHeight());
			c->setHeight(c->getLocalHeight());
			c->setY(finalH - origBottomDist - c->getHeight());
		}
		else
		{
			// 垂直无锚点：默认为顶部定位，高度固定
			c->setY(c->getLocalY());
			c->setHeight(c->getLocalHeight());
		}
	}
	c->onWindowResize();
}