WINAPI/(LAB_1) Child window at master · winSL0W98/WINAPI · GitHub

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#include "stdafx.h"
#include "Лаба1.h"
#define CLASSNAME "hhhffhfhhfhhff"
#define CHILDNAME "child Window"
#define POPUPNAME "popup Window"
#define MAINNAME  "Main Window"

HINSTANCE hInst;
LRESULT CALLBACK	WndProc(HWND, UINT, WPARAM, LPARAM);

int APIENTRY WinMain(_In_ HINSTANCE hInstance,
	_In_opt_ HINSTANCE hPrevInstance,
	_In_ LPTSTR    lpCmdLine,
	_In_ int       nCmdShow)
{
	UNREFERENCED_PARAMETER(hPrevInstance);
	UNREFERENCED_PARAMETER(lpCmdLine);

	WNDCLASS wcex = { 0 };

	wcex.lpfnWndProc = WndProc;
	wcex.hInstance = hInstance;
	wcex.lpszClassName = CLASSNAME;
	wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
	wcex.style = CS_DBLCLKS;


	if (!RegisterClass(&wcex))
		return 0;
	/////////////////////11111

	HWND  hWnd = CreateWindow(wcex.lpszClassName, MAINNAME, WS_OVERLAPPEDWINDOW,
		CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, hInstance, NULL);

	if (hWnd == NULL)
		return 0;


	/////////////////////222222


	HWND  hWnd2 = CreateWindow(wcex.lpszClassName, CHILDNAME, WS_VISIBLE | WS_CHILD | WS_CAPTION | WS_SYSMENU | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX,
		CW_USEDEFAULT, 0, 100, 100, hWnd, NULL, hInstance, NULL);

	if (hWnd2 == NULL)
		return 0;

	//ShowWindow(hWnd2, nCmdShow);
	/////////////////////33333333333

	HWND  hWnd3 = CreateWindow(wcex.lpszClassName, POPUPNAME, WS_VISIBLE | WS_POPUPWINDOW | WS_CAPTION | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX,
		GetSystemMetrics(SM_CXSCREEN) / 2 - 300, GetSystemMetrics(SM_CYSCREEN) / 2 - 100, 500, 200, hWnd, NULL, hInstance, NULL);

	if (hWnd3 == NULL)
		return 0;


	ShowWindow(hWnd, nCmdShow);

	MSG msg;


	while (GetMessage(&msg, NULL, 0, 0))
	{
		DispatchMessage(&msg);
	}
	return 0;
}

LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{

	switch (message)
	{

	case WM_DESTROY:
		if (FindWindow(CLASSNAME, _T(MAINNAME)) == hWnd) {
			PostQuitMessage(0);
		}
		break;
	case WM_LBUTTONDOWN:
		if (FindWindow(CLASSNAME, TEXT(POPUPNAME)) == hWnd) {
			HWND buf = FindWindowEx(FindWindow(CLASSNAME, _T(MAINNAME)), NULL, CLASSNAME, CHILDNAME);
			if (GetParent(buf) == FindWindow(CLASSNAME, _T(MAINNAME))) {
				SetParent(buf, hWnd);
			}
		}
		else if (FindWindow(CLASSNAME, _T(MAINNAME)) == hWnd) {
			HWND buf = FindWindowEx(FindWindow(CLASSNAME, _T(POPUPNAME)), NULL, CLASSNAME, CHILDNAME);
			if (GetParent(buf) == FindWindow(CLASSNAME, _T(POPUPNAME))) {
				SetParent(buf, hWnd);
			}
		}

		break;
	case WM_RBUTTONDBLCLK:
		if (FindWindow(CLASSNAME, _T(POPUPNAME)) == hWnd) {
			if (GetWindowLong(hWnd, GWL_EXSTYLE) & WS_EX_TOPMOST) {
				SetWindowPos(
					hWnd,
					HWND_NOTOPMOST,
					0,
					0,
					0,
					0,
					SWP_NOMOVE | SWP_NOSIZE);
				HWND buf = FindWindowEx(FindWindow(CLASSNAME, _T(MAINNAME)), NULL, CLASSNAME, CHILDNAME);
				if (GetParent(buf) == FindWindow(CLASSNAME, _T(MAINNAME))) {
					SetParent(buf, hWnd);
				}

			}
			else {
				SetWindowPos(
					hWnd,
					HWND_TOPMOST,
					0,//GetSystemMetrics(SM_CXSCREEN) / 2 - 300,
					0,//GetSystemMetrics(SM_CYSCREEN) / 2 - 100,
					0,
					0,
					SWP_NOMOVE | SWP_NOSIZE);
				HWND buf = FindWindowEx(FindWindow(CLASSNAME, _T(MAINNAME)), NULL, CLASSNAME, CHILDNAME);
				if (GetParent(buf) == FindWindow(CLASSNAME, _T(MAINNAME))) {
					SetParent(buf, hWnd);
				}


			}
			break;


		}

	}

	return DefWindowProc(hWnd, message, wParam, lParam);
}