mirror of
https://github.com/Blinue/Magpie.git
synced 2026-06-24 02:04:10 +00:00
307 lines
8.6 KiB
C++
307 lines
8.6 KiB
C++
#include "pch.h"
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#include "FrameSourceBase.h"
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#include "Utils.h"
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#include "App.h"
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#include "Logger.h"
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#include "Config.h"
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FrameSourceBase::~FrameSourceBase() {
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HWND hwndSrc = App::Get().GetHwndSrc();
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// 还原窗口圆角
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if (_roundCornerDisabled) {
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_roundCornerDisabled = false;
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INT attr = DWMWCP_DEFAULT;
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HRESULT hr = DwmSetWindowAttribute(hwndSrc, DWMWA_WINDOW_CORNER_PREFERENCE, &attr, sizeof(attr));
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if (FAILED(hr)) {
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Logger::Get().ComError("取消禁用窗口圆角失败", hr);
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} else {
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Logger::Get().Info("已取消禁用窗口圆角");
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}
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}
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// 还原窗口大小调整
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if (_windowResizingDisabled) {
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_windowResizingDisabled = false;
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LONG_PTR style = GetWindowLongPtr(hwndSrc, GWL_STYLE);
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if (!(style & WS_THICKFRAME)) {
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if (SetWindowLongPtr(hwndSrc, GWL_STYLE, style | WS_THICKFRAME)) {
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if (!SetWindowPos(hwndSrc, 0, 0, 0, 0, 0,
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SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_FRAMECHANGED)) {
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Logger::Get().Win32Error("SetWindowPos 失败");
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}
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Logger::Get().Info("已取消禁用窗口大小调整");
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} else {
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Logger::Get().Win32Error("取消禁用窗口大小调整失败");
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}
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}
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}
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}
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bool FrameSourceBase::Initialize() {
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HWND hwndSrc = App::Get().GetHwndSrc();
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// 禁用窗口大小调整
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if (App::Get().GetConfig().IsDisableWindowResizing()) {
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LONG_PTR style = GetWindowLongPtr(hwndSrc, GWL_STYLE);
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if (style & WS_THICKFRAME) {
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if (SetWindowLongPtr(hwndSrc, GWL_STYLE, style ^ WS_THICKFRAME)) {
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// 不重绘边框，以防某些窗口状态不正确
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// if (!SetWindowPos(hwndSrc, 0, 0, 0, 0, 0,
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// SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_FRAMECHANGED)) {
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// SPDLOG_LOGGER_ERROR(logger, MakeWin32ErrorMsg("SetWindowPos 失败"));
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// }
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Logger::Get().Info("已禁用窗口大小调整");
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_windowResizingDisabled = true;
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} else {
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Logger::Get().Win32Error("禁用窗口大小调整失败");
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}
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}
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}
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// 禁用窗口圆角
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if (_HasRoundCornerInWin11()) {
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const auto& version = Utils::GetOSVersion();
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bool isWin11 = Utils::CompareVersion(
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version.dwMajorVersion, version.dwMinorVersion,
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version.dwBuildNumber, 10, 0, 22000) >= 0;
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if (isWin11) {
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INT attr = DWMWCP_DONOTROUND;
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HRESULT hr = DwmSetWindowAttribute(hwndSrc, DWMWA_WINDOW_CORNER_PREFERENCE, &attr, sizeof(attr));
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if (FAILED(hr)) {
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Logger::Get().ComError("禁用窗口圆角失败", hr);
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} else {
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Logger::Get().Info("已禁用窗口圆角");
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_roundCornerDisabled = true;
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}
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}
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}
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return true;
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}
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bool FrameSourceBase::_GetMapToOriginDPI(HWND hWnd, double& a, double& bx, double& by) {
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// HDC 中的 HBITMAP 尺寸为窗口的原始尺寸
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// 通过 GetWindowRect 获得的尺寸为窗口的 DPI 缩放后尺寸
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// 它们的商即为窗口的 DPI 缩放
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HDC hdcWindow = GetDCEx(hWnd, NULL, DCX_LOCKWINDOWUPDATE | DCX_WINDOW);
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if (!hdcWindow) {
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Logger::Get().Win32Error("GetDCEx 失败");
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return false;
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}
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HDC hdcClient = GetDCEx(hWnd, NULL, DCX_LOCKWINDOWUPDATE);
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if (!hdcClient) {
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Logger::Get().Win32Error("GetDCEx 失败");
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ReleaseDC(hWnd, hdcWindow);
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return false;
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}
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Utils::ScopeExit se([hWnd, hdcWindow, hdcClient]() {
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ReleaseDC(hWnd, hdcWindow);
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ReleaseDC(hWnd, hdcClient);
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});
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HGDIOBJ hBmpWindow = GetCurrentObject(hdcWindow, OBJ_BITMAP);
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if (!hBmpWindow) {
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Logger::Get().Win32Error("GetCurrentObject 失败");
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return false;
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}
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if (GetObjectType(hBmpWindow) != OBJ_BITMAP) {
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Logger::Get().Error("无法获取窗口的重定向表面");
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return false;
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}
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BITMAP bmp{};
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if (!GetObject(hBmpWindow, sizeof(bmp), &bmp)) {
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Logger::Get().Win32Error("GetObject 失败");
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return false;
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}
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RECT rect;
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if (!GetWindowRect(hWnd, &rect)) {
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Logger::Get().Win32Error("GetWindowRect 失败");
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return false;
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}
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a = bmp.bmWidth / double(rect.right - rect.left);
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// 使用 DPI 缩放无法可靠计算出窗口客户区的位置
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// 这里使用窗口 HDC 和客户区 HDC 的原点坐标差值
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// GetDCOrgEx 获得的是 DC 原点的屏幕坐标
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POINT ptClient{}, ptWindow{};
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if (!GetDCOrgEx(hdcClient, &ptClient)) {
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Logger::Get().Win32Error("GetDCOrgEx 失败");
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return false;
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}
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if (!GetDCOrgEx(hdcWindow, &ptWindow)) {
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Logger::Get().Win32Error("GetDCOrgEx 失败");
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return false;
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}
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if (!Utils::GetClientScreenRect(hWnd, rect)) {
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Logger::Get().Error("GetClientScreenRect 失败");
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return false;
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}
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// 以窗口的客户区左上角为基准
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// 该点在坐标系 1 中坐标为 (rect.left, rect.top)
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// 在坐标系 2 中坐标为 (ptClient.x - ptWindow.x, ptClient.y - ptWindow.y)
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// 由此计算出 b
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bx = ptClient.x - ptWindow.x - rect.left * a;
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by = ptClient.y - ptWindow.y - rect.top * a;
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return true;
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}
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bool FrameSourceBase::_CenterWindowIfNecessary(HWND hWnd, const RECT& rcWork) {
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RECT srcRect;
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if (!GetWindowRect(hWnd, &srcRect)) {
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Logger::Get().Win32Error("GetWindowRect 失败");
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return false;
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}
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if (srcRect.left < rcWork.left || srcRect.top < rcWork.top
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|| srcRect.right > rcWork.right || srcRect.bottom > rcWork.bottom) {
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// 源窗口超越边界，将源窗口移到屏幕中央
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SIZE srcSize = { srcRect.right - srcRect.left, srcRect.bottom - srcRect.top };
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SIZE rcWorkSize = { rcWork.right - rcWork.left, rcWork.bottom - rcWork.top };
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if (srcSize.cx > rcWorkSize.cx || srcSize.cy > rcWorkSize.cy) {
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// 源窗口无法被当前屏幕容纳，因此无法捕获
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App::Get().SetErrorMsg(ErrorMessages::SRC_TOO_LARGE);
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return false;
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}
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if (!SetWindowPos(
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hWnd,
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0,
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rcWork.left + (rcWorkSize.cx - srcSize.cx) / 2,
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rcWork.top + (rcWorkSize.cy - srcSize.cy) / 2,
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0,
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0,
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SWP_NOSIZE | SWP_NOZORDER
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)) {
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Logger::Get().Win32Error("SetWindowPos 失败");
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}
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}
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return true;
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}
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struct EnumChildWndParam {
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const wchar_t* clientWndClassName = nullptr;
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std::vector<HWND> childWindows;
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};
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static BOOL CALLBACK EnumChildProc(
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_In_ HWND hwnd,
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_In_ LPARAM lParam
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) {
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std::wstring className(256, 0);
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int num = GetClassName(hwnd, &className[0], (int)className.size());
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if (num == 0) {
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Logger::Get().Win32Error("GetClassName 失败");
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return TRUE;
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}
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className.resize(num);
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EnumChildWndParam* param = (EnumChildWndParam*)lParam;
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if (className == param->clientWndClassName) {
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param->childWindows.push_back(hwnd);
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}
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return TRUE;
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}
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static HWND FindClientWindow(HWND hwndSrc, const wchar_t* clientWndClassName) {
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// 查找所有窗口类名为 ApplicationFrameInputSinkWindow 的子窗口
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// 该子窗口一般为客户区
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EnumChildWndParam param{};
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param.clientWndClassName = clientWndClassName;
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EnumChildWindows(hwndSrc, EnumChildProc, (LPARAM)¶m);
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if (param.childWindows.empty()) {
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// 未找到符合条件的子窗口
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return hwndSrc;
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}
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if (param.childWindows.size() == 1) {
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return param.childWindows[0];
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}
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// 如果有多个匹配的子窗口，取最大的（一般不会出现）
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int maxSize = 0, maxIdx = 0;
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for (int i = 0; i < param.childWindows.size(); ++i) {
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RECT rect;
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if (!GetClientRect(param.childWindows[i], &rect)) {
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continue;
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}
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int size = rect.right - rect.left + rect.bottom - rect.top;
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if (size > maxSize) {
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maxSize = size;
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maxIdx = i;
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}
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}
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return param.childWindows[maxIdx];
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}
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bool FrameSourceBase::_UpdateSrcFrameRect() {
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_srcFrameRect = {};
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HWND hwndSrc = App::Get().GetHwndSrc();
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if (App::Get().GetConfig().IsCropTitleBarOfUWP()) {
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std::wstring className(256, 0);
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int num = GetClassName(hwndSrc, &className[0], (int)className.size());
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if (num > 0) {
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className.resize(num);
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if (App::Get().GetConfig().IsCropTitleBarOfUWP() &&
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(className == L"ApplicationFrameWindow" || className == L"Windows.UI.Core.CoreWindow")
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) {
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// "Modern App"
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// 客户区窗口类名为 ApplicationFrameInputSinkWindow
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HWND hwndClient = FindClientWindow(hwndSrc, L"ApplicationFrameInputSinkWindow");
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if (hwndClient) {
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if (!Utils::GetClientScreenRect(hwndClient, _srcFrameRect)) {
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Logger::Get().Win32Error("GetClientScreenRect 失败");
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}
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}
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}
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} else {
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Logger::Get().Win32Error("GetClassName 失败");
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}
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}
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if (_srcFrameRect == RECT{}) {
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if (!Utils::GetClientScreenRect(hwndSrc, _srcFrameRect)) {
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Logger::Get().Win32Error("GetClientScreenRect 失败");
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return false;
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}
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}
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const RECT& cropBorders = App::Get().GetConfig().GetCropBorders();
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_srcFrameRect = {
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_srcFrameRect.left + cropBorders.left,
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_srcFrameRect.top + cropBorders.top,
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_srcFrameRect.right - cropBorders.right,
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_srcFrameRect.bottom - cropBorders.bottom
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};
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if (_srcFrameRect.right - _srcFrameRect.left <= 0 || _srcFrameRect.bottom - _srcFrameRect.top <= 0) {
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App::Get().SetErrorMsg(ErrorMessages::FAILED_TO_CROP);
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Logger::Get().Error("裁剪窗口失败");
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return false;
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}
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return true;
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}
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