Add default screen saver.

svn path=/trunk/; revision=25227

reactos/base/applications/screensavers/screensavers.rbuild

@@ -7,4 +7,7 @@
 <directory name="cylfrac">
 	<xi:include href="cylfrac/cylfrac.rbuild" />
 </directory>
+<directory name="scrnsave">
+	<xi:include href="scrnsave/scrnsave.rbuild" />
+</directory>
 </group>

reactos/base/applications/screensavers/scrnsave/resource.h

@@ -0,0 +1,2 @@
+
+#define IDS_DESCRIPTION                 1

reactos/base/applications/screensavers/scrnsave/scrnsave.c

@@ -0,0 +1,188 @@
+/*
+ *  Copyright 2003 J Brown
+ *  Copyright 2006 Eric Kohl
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+#include <windows.h>
+#include <tchar.h>
+
+#define APPNAME _T("Scrnsave")
+
+
+HINSTANCE hInstance;
+
+BOOL fullscreen = FALSE;
+
+
+LRESULT WINAPI WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
+{
+	static POINT ptLast;
+	static POINT ptCursor;
+	static BOOL  fFirstTime = TRUE;
+
+	switch (msg)
+	{
+		case WM_DESTROY:
+			PostQuitMessage(0);
+			break;
+
+		// break out of screen-saver if any keyboard activity
+		case WM_NOTIFY:
+		case WM_SYSKEYDOWN:
+			PostMessage(hwnd, WM_CLOSE, 0, 0);
+			break;
+
+		// break out of screen-saver if any mouse activity
+		case WM_LBUTTONDOWN:
+		case WM_LBUTTONUP:
+		case WM_RBUTTONDOWN:
+		case WM_RBUTTONUP:
+		case WM_MBUTTONDOWN:
+		case WM_MBUTTONUP:
+		case WM_MOUSEMOVE:
+			// If we've got a parent then we must be a preview
+			if(GetParent(hwnd) != 0)
+				return 0;
+
+			if(fFirstTime)
+			{
+				GetCursorPos(&ptLast);
+				fFirstTime = FALSE;
+			}
+
+		GetCursorPos(&ptCursor);
+
+		// if the mouse has moved more than 3 pixels then exit
+		if(abs(ptCursor.x - ptLast.x) >= 3 || abs(ptCursor.y - ptLast.y) >= 3)
+			PostMessage(hwnd, WM_CLOSE, 0, 0);
+
+		ptLast = ptCursor;
+
+		return 0;
+	}
+
+	return DefWindowProc(hwnd, msg, wParam, lParam);
+}
+
+void InitSaver(HWND hwndParent)
+{
+	WNDCLASS wc;
+	ZeroMemory(&wc, sizeof(wc));
+	wc.style            = CS_HREDRAW | CS_VREDRAW;
+	wc.lpfnWndProc      = WndProc;
+	wc.lpszClassName    = APPNAME;
+	wc.hbrBackground    = (HBRUSH)GetStockObject(BLACK_BRUSH);
+	RegisterClass(&wc);
+
+	if (hwndParent != 0)
+	{
+		RECT rect;
+		GetClientRect(hwndParent, &rect);
+		CreateWindow(APPNAME, APPNAME,
+		             WS_VISIBLE | WS_CHILD,
+		             0, 0,
+		             rect.right,
+		             rect.bottom,
+		             hwndParent, 0,
+		             hInstance, NULL);
+		fullscreen = FALSE;
+	}
+	else
+	{
+		HWND hwnd;
+		hwnd = CreateWindow(APPNAME, APPNAME,
+		                    WS_VISIBLE | WS_POPUP | WS_EX_TOPMOST,
+		                    0, 0,
+		                    GetSystemMetrics(SM_CXSCREEN), GetSystemMetrics(SM_CYSCREEN),
+		                    HWND_DESKTOP, 0,
+		                    hInstance, NULL);
+		ShowWindow(hwnd, SW_SHOWMAXIMIZED);
+		ShowCursor(FALSE);
+		fullscreen = TRUE;
+	}
+}
+
+void ParseCommandLine(PSTR szCmdLine, int *chOption, HWND *hwndParent)
+{
+	int ch = *szCmdLine++;
+
+	if(ch == '-' || ch == '/')
+		ch = *szCmdLine++;
+
+	if(ch >= 'A' && ch <= 'Z')
+		ch += 'a' - 'A';
+
+	*chOption = ch;
+	ch = *szCmdLine++;
+
+	if(ch == ':')
+		ch = *szCmdLine++;
+
+	while(ch == ' ' || ch == '\t')
+		ch = *szCmdLine++;
+
+	if(isdigit(ch))
+	{
+		unsigned int i = atoi(szCmdLine - 1);
+		*hwndParent = (HWND)i;
+	}
+	else
+		*hwndParent = 0;
+}
+
+int WINAPI WinMain (HINSTANCE hInst,
+                    HINSTANCE hPrev,
+                    LPSTR lpCmdLine,
+                    int iCmdShow)
+{
+	HWND	hwndParent;
+	UINT	nPreviousState;
+	int	chOption;
+	MSG	Message;
+
+	hInstance = hInst;
+
+	ParseCommandLine(lpCmdLine, &chOption, &hwndParent);
+
+	SystemParametersInfo(SPI_SETSCREENSAVERRUNNING, TRUE, &nPreviousState, 0);
+
+	switch (chOption)
+	{
+		case 's':
+			InitSaver(0);
+			break;
+
+		case 'p':
+			InitSaver(hwndParent);
+			break;
+
+		case 'c':
+		default:
+			MessageBox(0,
+			           _T("No options need to be set."),
+			           _T("About"),
+			           MB_OK | MB_ICONWARNING);
+			return 0;
+	}
+
+	while (GetMessage(&Message, 0, 0, 0))
+		DispatchMessage(&Message);
+
+	SystemParametersInfo(SPI_SETSCREENSAVERRUNNING, FALSE, &nPreviousState, 0);
+
+	return Message.wParam;
+}

reactos/base/applications/screensavers/scrnsave/scrnsave.rbuild

@@ -0,0 +1,16 @@
+<module name="scrnsave" type="win32scr" installbase="system32" installname="scrnsave.scr">
+	<define name="__USE_W32API" />
+	<define name="__REACTOS__" />
+	<define name="UNICODE" />
+	<define name="_UNICODE" />
+
+	<library>kernel32</library>
+	<library>user32</library>
+	<library>gdi32</library>
+	<library>opengl32</library>
+	<library>glu32</library>
+	<library>winmm</library>
+
+	<file>scrnsave.c</file>
+	<file>scrnsave.rc</file>
+</module>

reactos/base/applications/screensavers/scrnsave/scrnsave.rc

@@ -0,0 +1,19 @@
+#include <windows.h>
+#include "resource.h"
+
+LANGUAGE LANG_NEUTRAL, SUBLANG_NEUTRAL
+
+#define REACTOS_VERSION_DLL
+#define REACTOS_STR_FILE_DESCRIPTION    "ReactOS Default ScreenSaver\0"
+#define REACTOS_STR_INTERNAL_NAME       "scrnsave\0"
+#define REACTOS_STR_ORIGINAL_FILENAME   "scrnsave.scr\0"
+
+#include <reactos/version.rc>
+
+
+LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
+
+STRINGTABLE DISCARDABLE
+BEGIN
+    IDS_DESCRIPTION         "Default ScreenSaver"
+END