volchek · ArBond · Sep 2, 2017
diff --git a/hw4_21.08.17/main.cpp b/hw4_21.08.17/main.cpp
@@ -0,0 +1,181 @@
+/*	Создайте приложение «Убегающий статик».В окне должен быть расположен
+статический элемент управления(статик).Когда пользователь пытается подвести
+курсор мыши к «статику», то, если курсор находится близко со «статиком», элемент
+управления «убегает».Предусмотрите перемещение «статика» только в пределах
+окна. */
+
+
+#include <Windows.h>
+#include <cmath>
+
+const int windowWidth = 1000;
+const int windowHeight = 600;
+
+const int staticWidth = 60;
+const int staticHeight = 50;
+
+LRESULT CALLBACK WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
+{
+	static HWND hStatic;
+
+	static int xPosStatic = 400;
+	static int yPosStatic = 300;
+
+	int changingXPosStatic = 0;
+	int changingYPosStatic = 0;
+
+	static int xPushCount = 0;
+	static int yPushCount = 0;
+
+	static int level = 20;
+
+	int deltaX;
+	int deltaY;
+	int distance;
+
+	switch (uMsg)
+	{
+	case WM_CREATE:
+		hStatic = CreateWindowEx(NULL, L"STATIC", NULL, WS_CHILD | WS_VISIBLE, xPosStatic, yPosStatic, staticWidth, staticHeight, hWnd, (HMENU)NULL, GetModuleHandle(NULL), NULL);
+		break;
+	case WM_MOUSEMOVE:
+		wchar_t buff[30];
+		memset(buff, 0, sizeof(buff));
+		wsprintf(buff, L"  CLICK\t      ME!\nLevel:%i", level);
+		SetWindowText(hStatic, buff);
+
+		deltaX = xPosStatic + staticWidth / 2 - LOWORD(lParam);
+		deltaY = yPosStatic + staticHeight / 2 - HIWORD(lParam);
+		distance = (int)std::hypot(deltaX, deltaY);
+
+		if (distance < level * 10)
+		{
+			if (deltaX * deltaY > 0)
+			{
+				changingXPosStatic = level * 10 / deltaY;
+				changingYPosStatic = level * 10 / deltaX;
+			}
+			else if (deltaX * deltaY < 0)
+			{
+				changingXPosStatic = -(level * 10 / deltaY);
+				changingYPosStatic = -(level * 10 / deltaX);
+			}
+			else if (deltaX == 0 && deltaY != 0)
+			{
+				changingYPosStatic = level * 10 / deltaY;
+			}
+			else if (deltaY == 0 && deltaX != 0)
+			{
+				changingXPosStatic = level * 10 / deltaX;
+			}
+
+			if (xPushCount > 0)
+			{
+				changingXPosStatic = 2;
+				xPushCount--;
+			}
+			else if (xPushCount < 0)
+			{
+				changingXPosStatic = -2;
+				xPushCount++;
+			}
+			if (yPushCount > 0)
+			{
+				changingYPosStatic = 2;
+				yPushCount--;
+			}
+			else if (yPushCount < 0)
+			{
+				changingYPosStatic = -2;
+				yPushCount++;
+			}
+
+			if (changingXPosStatic > 5)
+				changingXPosStatic = 5;
+			else if (changingXPosStatic < -5)
+				changingXPosStatic = -5;
+			if (changingYPosStatic > 5)
+				changingYPosStatic = 5;
+			else if (changingYPosStatic < -5)
+				changingYPosStatic = -5;
+
+			if (xPosStatic + changingXPosStatic >= 0 && xPosStatic + changingXPosStatic <= windowWidth - staticWidth)
+				xPosStatic += changingXPosStatic;
+			if (yPosStatic + changingYPosStatic >= 0 && yPosStatic + changingYPosStatic <= windowHeight - staticHeight)
+				yPosStatic += changingYPosStatic;
+
+			if (xPosStatic == 0)
+				xPushCount = level * 10;
+			else if (xPosStatic == windowWidth - staticWidth)
+				xPushCount = -level * 10;
+			if (yPosStatic == 0)
+				yPushCount = level * 10;
+			else if(yPosStatic == windowHeight - staticHeight)
+				yPushCount = -level * 10;
+		}
+		MoveWindow(hStatic, xPosStatic, yPosStatic, staticWidth, staticHeight, true);
+		break;
+	case WM_LBUTTONDOWN:
+		SetClassLong(hWnd, GCL_HBRBACKGROUND, (LONG)CreateSolidBrush(RGB(rand() % 255, rand() % 255, rand() % 255)));
+		InvalidateRect(hWnd, NULL, true);
+		if (LOWORD(lParam) >= xPosStatic && LOWORD(lParam) <= xPosStatic + staticWidth && HIWORD(lParam) >= yPosStatic && HIWORD(lParam) <= yPosStatic + staticHeight)
+		{
+			level++;
+			if (MessageBox(hWnd, L"Продолжить?", L"Инфо", MB_YESNO) == IDNO)
+			{
+				SendMessage(hWnd, WM_DESTROY, 0, 0);
+			}
+		}
+		break;
+	case WM_CLOSE:
+		if (MessageBox(hWnd, L"Вы действительно хотите выйти?", L"Инфо", MB_YESNO) == IDYES)
+		{
+			SendMessage(hWnd, WM_DESTROY, 0, 0);
+		}
+		break;
+	case WM_DESTROY:
+		PostQuitMessage(0);
+		break;
+	default:
+		return DefWindowProc(hWnd, uMsg, wParam, lParam);
+	}
+	return 0;
+}
+
+int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE, LPSTR, int)
+{
+	HWND hWnd;
+	WNDCLASSEX wnd;
+	memset(&wnd, 0, sizeof(wnd));
+
+	wnd.cbSize = sizeof(wnd);
+	wnd.lpszClassName = L"Window";
+	wnd.style = CS_HREDRAW | CS_VREDRAW;
+	wnd.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
+	wnd.lpfnWndProc = WndProc;
+	wnd.hInstance = hInstance;
+
+	if (!RegisterClassEx(&wnd))
+	{
+		return 1;
+	}
+
+	hWnd = CreateWindowEx(NULL, wnd.lpszClassName, L"Убегающий статик", WS_OVERLAPPEDWINDOW ^ WS_THICKFRAME, 
+		CW_USEDEFAULT, CW_USEDEFAULT, windowWidth + 17, windowHeight + 40, NULL, NULL, hInstance, NULL);
+
+	if (!hWnd)
+	{
+		return 2;
+	}
+
+	ShowWindow(hWnd, 1);
+	UpdateWindow(hWnd);
+
+	MSG msg;
+	while (GetMessage(&msg, 0, 0, 0))
+	{
+		TranslateMessage(&msg);
+		DispatchMessage(&msg);
+	}
+	return msg.wParam;
+}