1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/main.c	Thu Oct 17 02:54:07 2019 +0300
     1.3 @@ -0,0 +1,188 @@
     1.4 +#include <stdio.h>
     1.5 +#include <string.h>
     1.6 +#include <windows.h>
     1.7 +#include <GL/gl.h>
     1.8 +
     1.9 +#define WCNAME	"livebg_test"
    1.10 +
    1.11 +void draw(void);
    1.12 +HWND create_window(int width, int height);
    1.13 +int init_gl(void);
    1.14 +long CALLBACK handle_events(HWND win, unsigned int msg, WPARAM wparam, LPARAM lparam);
    1.15 +
    1.16 +HWND win;
    1.17 +HDC dc;
    1.18 +HGLRC ctx;
    1.19 +int wcreg, quit;
    1.20 +unsigned long start_time;
    1.21 +
    1.22 +int WINAPI WinMain(HINSTANCE hinst, HINSTANCE hprev, char *cmdline, int cmdshow)
    1.23 +{
    1.24 +	MSG msg;
    1.25 +
    1.26 +	if(!(win = create_window(400, 300))) {
    1.27 +		return 1;
    1.28 +	}
    1.29 +	if(init_gl() == -1) {
    1.30 +		DestroyWindow(win);
    1.31 +		return 1;
    1.32 +	}
    1.33 +
    1.34 +	start_time = timeGetTime();
    1.35 +
    1.36 +	for(;;) {
    1.37 +		while(PeekMessage(&msg, 0, 0, 0, PM_REMOVE)) {
    1.38 +			TranslateMessage(&msg);
    1.39 +			DispatchMessage(&msg);
    1.40 +
    1.41 +			if(quit) goto done;
    1.42 +		}
    1.43 +
    1.44 +		draw();
    1.45 +		Sleep(10);
    1.46 +	}
    1.47 +done:
    1.48 +
    1.49 +	if(wcreg) {
    1.50 +		UnregisterClass(WCNAME, hinst);
    1.51 +	}
    1.52 +	return 0;
    1.53 +}
    1.54 +
    1.55 +void draw(void)
    1.56 +{
    1.57 +	float tm = (timeGetTime() - start_time) / 1000.0f;
    1.58 +	glClearColor(0.1, 0.1, 0.1, 1);
    1.59 +	glClear(GL_COLOR_BUFFER_BIT);
    1.60 +
    1.61 +	glMatrixMode(GL_MODELVIEW);
    1.62 +	glLoadIdentity();
    1.63 +	glRotatef(tm * 10.0f, 0, 0, 1);
    1.64 +
    1.65 +	glBegin(GL_TRIANGLES);
    1.66 +	glColor3f(1, 0, 0);
    1.67 +	glVertex2f(-0.5, -0.5);
    1.68 +	glColor3f(0, 1, 0);
    1.69 +	glVertex2f(0.5, -0.5);
    1.70 +	glColor3f(0, 0, 1);
    1.71 +	glVertex2f(0, 0.68);
    1.72 +	glEnd();
    1.73 +
    1.74 +	SwapBuffers(dc);
    1.75 +}
    1.76 +
    1.77 +HWND fadewin;
    1.78 +
    1.79 +int CALLBACK match_win(HWND win, LPARAM lparam)
    1.80 +{
    1.81 +	HWND shwin = FindWindowEx(win, 0, "SHELLDLL_DefView", 0);
    1.82 +	if(shwin) {
    1.83 +		fadewin = FindWindowEx(0, shwin, "WorkerW", 0);
    1.84 +	}
    1.85 +	return 1;
    1.86 +}
    1.87 +
    1.88 +HWND create_window(int width, int height)
    1.89 +{
    1.90 +	HINSTANCE hinst;
    1.91 +	HWND win, parent = 0;
    1.92 +	HWND pgman_win;
    1.93 +	unsigned int style;
    1.94 +	RECT rect;
    1.95 +
    1.96 +	hinst = GetModuleHandle(0);
    1.97 +
    1.98 +	if(!wcreg) {
    1.99 +		WNDCLASSEX wc;
   1.100 +		memset(&wc, 0, sizeof wc);
   1.101 +		wc.cbSize = sizeof wc;
   1.102 +		wc.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC;
   1.103 +		wc.lpfnWndProc = handle_events;
   1.104 +		wc.hInstance = hinst;
   1.105 +		wc.hIcon = wc.hIconSm = LoadIcon(0, IDI_APPLICATION);
   1.106 +		wc.hCursor = LoadCursor(0, IDC_ARROW);
   1.107 +		wc.hbrBackground = (HBRUSH)GetStockObject(BLACK_BRUSH);
   1.108 +		wc.lpszClassName = WCNAME;
   1.109 +		RegisterClassEx(&wc);
   1.110 +		wcreg = 1;
   1.111 +	}
   1.112 +
   1.113 +	if((pgman_win = FindWindow("Progman", 0))) {
   1.114 +		parent = pgman_win;
   1.115 +		GetWindowRect(pgman_win, &rect);
   1.116 +		//width = rect.right - rect.left;
   1.117 +		//height = rect.bottom - rect.top;
   1.118 +
   1.119 +		/*
   1.120 +		SendMessage(pgman_win, 0x52c, 0, 0);
   1.121 +
   1.122 +		fadewin = 0;
   1.123 +		EnumWindows(match_win, 0);
   1.124 +		if(fadewin) {
   1.125 +			//ShowWindow(fadewin, 0);
   1.126 +		}
   1.127 +		*/
   1.128 +	}
   1.129 +
   1.130 +	style = parent ? WS_CHILD : WS_POPUP;
   1.131 +	if(!(win = CreateWindow(WCNAME, WCNAME, style | WS_VISIBLE, 0, 0, width, height,
   1.132 +					parent, 0, hinst, 0))) {
   1.133 +		fprintf(stderr, "failed to create window\n");
   1.134 +		return 0;
   1.135 +	}
   1.136 +	dc = GetDC(win);
   1.137 +	return win;
   1.138 +}
   1.139 +
   1.140 +int init_gl(void)
   1.141 +{
   1.142 +	int pixfmt;
   1.143 +	PIXELFORMATDESCRIPTOR pfd;
   1.144 +
   1.145 +	memset(&pfd, 0, sizeof pfd);
   1.146 +	pfd.nSize = sizeof pfd;
   1.147 +	pfd.nVersion = 1;
   1.148 +	pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;
   1.149 +	pfd.iPixelType = PFD_TYPE_RGBA;
   1.150 +	pfd.cColorBits = 24;
   1.151 +	pfd.cDepthBits = 32;
   1.152 +	pfd.iLayerType = PFD_MAIN_PLANE;
   1.153 +
   1.154 +	if(!(pixfmt = ChoosePixelFormat(dc, &pfd))) {
   1.155 +		fprintf(stderr, "failed to find a suitable pixel format\n");
   1.156 +		return -1;
   1.157 +	}
   1.158 +	SetPixelFormat(dc, pixfmt, &pfd);
   1.159 +
   1.160 +	if(!(ctx = wglCreateContext(dc))) {
   1.161 +		fprintf(stderr, "failed to create an OpenGL context\n");
   1.162 +		return -1;
   1.163 +	}
   1.164 +	wglMakeCurrent(dc, ctx);
   1.165 +	return 0;
   1.166 +}
   1.167 +
   1.168 +long CALLBACK handle_events(HWND win, unsigned int msg, WPARAM wparam, LPARAM lparam)
   1.169 +{
   1.170 +	switch(msg) {
   1.171 +	case WM_PAINT:
   1.172 +		ValidateRect(win, 0);
   1.173 +		break;
   1.174 +
   1.175 +	case WM_CLOSE:
   1.176 +		DestroyWindow(win);
   1.177 +		break;
   1.178 +
   1.179 +	case WM_DESTROY:
   1.180 +		PostQuitMessage(0);
   1.181 +		break;
   1.182 +
   1.183 +	case WM_QUIT:
   1.184 +		quit = 1;
   1.185 +		break;
   1.186 +
   1.187 +	default:
   1.188 +		return DefWindowProc(win, msg, wparam, lparam);
   1.189 +	}
   1.190 +	return 0;
   1.191 +}