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StellarX-kaifa/Window.cpp
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2026-03-22 18:45:47 +08:00

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#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()
{
// 先销毁控件树,再关闭图形环境,避免控件析构时访问已关闭的 EasyX 上下文。
dialogs.clear();
controls.clear();
background.reset();
if (hWnd && procHooked && oldWndProc)
{
SetWindowLongPtr(hWnd, GWLP_WNDPROC, (LONG_PTR)oldWndProc);
SetWindowLongPtr(hWnd, GWLP_USERDATA, 0);
}
if (hWnd)
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;
}
RECT before = *prc;// 记录调整前矩形以便日志输出
ApplyMinSizeOnSizing(prc, w, h, self->minClientW, self->minClientH);
//if (before.left != prc->left || before.top != prc->top || before.right != prc->right || before.bottom != prc->bottom)
if (memcmp(&before, prc, sizeof(RECT)) != 0)
{
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:
* 1initgraph 拿到 hWnd
* 2SetWindowLongPtr 子类化到 WndProcThunk(只做一次);
* 3ApplyResizableStyle 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)
{
background.reset();
}
background = std::make_unique<IMAGE>();
loadimage(background.get(), bkImageFile.c_str(), width, height, true);
putimage(0, 0, background.get());
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; // 事件是否被消费的标志(用于输入事件分发)
bool redrawDialogs = false; // 是否需要重绘对话框(控件事件可能引起对话框状态变化)
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 it = controls.rbegin(); it != controls.rend(); ++it)
{
consume = (*it)->handleEvent(msg);
if (consume)
{
SX_LOGD("Event") << SX_T("事件被控件处理 id=", "Event consumed by control id=") << (*it)->getId();
redrawDialogs = true; // 控件事件可能引起对话框状态变化,标记需要重绘对话框
break;
}
}
}
}
// 关键点⑦:事件处理后,如果对话框状态可能变化(例如控件事件引起的控件重绘可能导致对话框被覆盖),优先重绘对话框以确保界面响应及时;后续再根据 needResizeDirty 进行一次性重绘。
if (redrawDialogs)
{
for (auto& d : dialogs)
{
if (!d->model() && d->IsVisible())
d->setDirty(true);
d->draw();
}
redrawDialogs = false; // 重置标志
}
//如果有对话框打开或者关闭强制重绘
bool needredraw = false;
if(dialogOpen)
{
for (auto& d : dialogs)
{
needredraw = d->IsVisible();
if (needredraw)break;
}
}
if (needredraw || dialogClose)
{
if (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
SX_LOGD("Event") << SX_T("对话框关闭,合成WM_MOUSEMOVE已下发", "Dialog closed; synthetic WM_MOUSEMOVE dispatched");
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 it = controls.rbegin(); it != controls.rend(); ++it)
(*it)->handleEvent(mm);
}
dialogClose = false; // 重置标志
}
BeginBatchDraw();
SX_LOGD("Event") << SX_T("对话框打开/关闭,触发全量重绘", "The dialog box opens/closes, triggering a full redraw");
// 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;
dialogOpen = 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())
{
background = std::make_unique<IMAGE>();
loadimage(background.get(), bkImageFile.c_str(), renderWidth, renderHeight, true);
putimage(0, 0, background.get());
}
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
background = std::make_unique<IMAGE>();
bkImageFile = std::move(pImgFile);
loadimage(background.get(), bkImageFile.c_str(), width, height, true);
putimage(0, 0, background.get());
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)
{
dialogOpen = true;
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.get();
}
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 pumpResizeIfNeededneedResizeDirty=",
"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())
{
background = std::make_unique<IMAGE>();
loadimage(background.get(), bkImageFile.c_str(), rc.right - rc.left, rc.bottom - rc.top, true);
putimage(0, 0, background.get());
}
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();
}