- simple but colorful new GDI screensaver

svn path=/trunk/; revision=33282

rosapps/applications/screensavers/circles/circles.c

@@ -0,0 +1,120 @@
+/*
+ *  Copyright 2008 Marc Piulachs (marc.piulachs@codexchange.net)
+ *
+ *  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 <scrnsave.h>
+#include <tchar.h>
+#include "resource.h"
+
+#define RANDOM_COLOR (rand () % 256)
+
+#define APPNAME _T("Circles")
+#define APP_TIMER			1
+#define APP_TIMER_INTERVAL	100
+#define MAX_CIRCLES			50
+
+int circlesCount;
+int width, x, y;
+
+LRESULT WINAPI ScreenSaverProc (HWND hwnd, UINT iMsg, WPARAM wparam,
+                LPARAM lparam)
+{
+  HDC hdc;
+  RECT rect;
+  HBRUSH hbrush, hbrushOld;
+
+  switch (iMsg)
+  {
+   case WM_CREATE:
+	   {
+			SetTimer (
+				hwnd, 
+				APP_TIMER, 
+				APP_TIMER_INTERVAL, 
+				NULL);
+	   }
+	   break;
+   case WM_DESTROY:
+	   {
+			KillTimer (hwnd, APP_TIMER);
+		    PostQuitMessage (0);
+			return 0;
+	   }
+	   break;
+   case WM_TIMER:
+	   {
+			hdc = GetDC (hwnd);
+			GetClientRect (hwnd, &rect);
+			hbrush = CreateSolidBrush (RGB (RANDOM_COLOR, RANDOM_COLOR, RANDOM_COLOR));
+			hbrushOld = SelectObject (hdc, hbrush);
+
+			x = rand () % rect.right;
+			y = rand () % rect.bottom;
+
+			/* the circle will be 10% of total screen */
+			width = rect.right / 10;
+			if (rect.bottom / 10 < width)
+				width = rect.bottom / 10;
+
+			/* Draw circle on screen */
+			Ellipse (
+				hdc, 
+				x, 
+				y, 
+				x + width, 
+				y + width);
+
+			//Track the number of painted circles on scren
+			circlesCount++;
+			if (circlesCount == MAX_CIRCLES)
+			{
+				InvalidateRect (hwnd, NULL, TRUE);
+				circlesCount = 0;
+			}
+
+			SelectObject (hdc, hbrushOld);
+			DeleteObject (hbrush);
+			ReleaseDC (hwnd, hdc);
+
+			return 0;
+	   }
+  }
+
+  return DefScreenSaverProc (hwnd, iMsg, wparam, lparam);
+}
+
+
+BOOL WINAPI ScreenSaverConfigureDialog(HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
+{
+    return FALSE;
+}
+
+// This function is only called one time before opening the configuration dialog.
+// Use it to show a message that no configuration is necesssary and return FALSE to indicate that no configuration dialog shall be opened.
+BOOL WINAPI RegisterDialogClasses(HANDLE hInst)
+{
+    TCHAR szMessage[256];
+    TCHAR szTitle[25];
+
+    LoadString(hInst, IDS_TEXT, szMessage, sizeof(szMessage) / sizeof(TCHAR));
+    LoadString(hInst, IDS_DESCRIPTION, szTitle, sizeof(szTitle) / sizeof(TCHAR));
+
+    MessageBox(NULL, szMessage, szTitle, MB_OK | MB_ICONEXCLAMATION);
+
+    return FALSE;
+}

rosapps/applications/screensavers/circles/circles.rbuild

@@ -0,0 +1,16 @@
+<?xml version="1.0"?>
+<!DOCTYPE module SYSTEM "../../../../tools/rbuild/project.dtd">
+<module name="circles" type="win32scr" installbase="system32" unicode="true">
+	<importlibrary definition="circles.spec.def" />
+	<include base="circles">.</include>
+	<library>scrnsave</library>
+	<library>kernel32</library>
+	<library>user32</library>
+	<library>gdi32</library>
+
+	<metadata description = "Simple Circles GDI screensaver" />
+
+	<file>circles.c</file>
+	<file>circles.rc</file>
+	<file>circles.spec</file>
+</module>

rosapps/applications/screensavers/circles/circles.rc

@@ -0,0 +1,14 @@
+#include <windows.h>
+#include <scrnsave.h>
+#include "resource.h"
+
+LANGUAGE LANG_NEUTRAL, SUBLANG_NEUTRAL
+
+#define REACTOS_VERSION_DLL
+#define REACTOS_STR_FILE_DESCRIPTION    "Circles ScreenSaver\0"
+#define REACTOS_STR_INTERNAL_NAME       "circles\0"
+#define REACTOS_STR_ORIGINAL_FILENAME   "circles.scr\0"
+
+#include <reactos/version.rc>
+
+#include "lang/en-US.rc"

rosapps/applications/screensavers/circles/circles.spec

@@ -0,0 +1,2 @@
+@ stdcall ScreenSaverProc(ptr long ptr ptr)
+@ stdcall ScreenSaverConfigureDialog(ptr long ptr ptr)

rosapps/applications/screensavers/circles/lang/en-US.rc

@@ -0,0 +1,7 @@
+LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
+
+STRINGTABLE DISCARDABLE
+BEGIN
+    IDS_DESCRIPTION "Circles"
+    IDS_TEXT        "No options need to be set."
+END

rosapps/applications/screensavers/circles/resource.h

@@ -0,0 +1,3 @@
+#define IDS_TEXT        3
+#define IDB_WORKSTATION 0x100
+#define IDB_SERVER      0x200

rosapps/applications/screensavers/screensavers.rbuild

@@ -1,6 +1,9 @@
 <?xml version="1.0"?>
 <!DOCTYPE group SYSTEM "../../../tools/rbuild/project.dtd">
 <group xmlns:xi="http://www.w3.org/2001/XInclude">
+	<directory name="circles">
+		<xi:include href="circles/circles.rbuild" />
+	</directory>
 	<directory name="cylfrac">
 		<xi:include href="cylfrac/cylfrac.rbuild" />
 	</directory>