+/*\r
+ * freeglut_cursor_mswin.c\r
+ *\r
+ * The Windows-specific mouse cursor related stuff.\r
+ *\r
+ * Copyright (c) 2012 Stephen J. Baker. All Rights Reserved.\r
+ * Written by John F. Fay, <fayjf@sourceforge.net>\r
+ * Creation date: Thu Jan 19, 2012\r
+ *\r
+ * Permission is hereby granted, free of charge, to any person obtaining a\r
+ * copy of this software and associated documentation files (the "Software"),\r
+ * to deal in the Software without restriction, including without limitation\r
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,\r
+ * and/or sell copies of the Software, and to permit persons to whom the\r
+ * Software is furnished to do so, subject to the following conditions:\r
+ *\r
+ * The above copyright notice and this permission notice shall be included\r
+ * in all copies or substantial portions of the Software.\r
+ *\r
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS\r
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL\r
+ * PAWEL W. OLSZTA BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER\r
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\r
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
+ */\r
+\r
+#include <GL/freeglut.h>\r
+#include "freeglut_internal_mswin.h"\r
+\r
+\r
+/*\r
+ * A call to this function should initialize all the display stuff...\r
+ */\r
+void fghInitialize( const char* displayName )\r
+{\r
+ WNDCLASS wc;\r
+ ATOM atom;\r
+\r
+ /* What we need to do is to initialize the fgDisplay global structure here. */\r
+ fgDisplay.Instance = GetModuleHandle( NULL );\r
+ fgDisplay.DisplayName= displayName ? strdup(displayName) : 0 ;\r
+ atom = GetClassInfo( fgDisplay.Instance, _T("FREEGLUT"), &wc );\r
+\r
+ if( atom == 0 )\r
+ {\r
+ ZeroMemory( &wc, sizeof(WNDCLASS) );\r
+\r
+ /*\r
+ * Each of the windows should have its own device context, and we\r
+ * want redraw events during Vertical and Horizontal Resizes by\r
+ * the user.\r
+ *\r
+ * XXX Old code had "| CS_DBCLCKS" commented out. Plans for the\r
+ * XXX future? Dead-end idea?\r
+ */\r
+ wc.lpfnWndProc = fgWindowProc;\r
+ wc.cbClsExtra = 0;\r
+ wc.cbWndExtra = 0;\r
+ wc.hInstance = fgDisplay.Instance;\r
+ wc.hIcon = LoadIcon( fgDisplay.Instance, _T("GLUT_ICON") );\r
+\r
+#if defined(_WIN32_WCE)\r
+ wc.style = CS_HREDRAW | CS_VREDRAW;\r
+#else\r
+ wc.style = CS_OWNDC | CS_HREDRAW | CS_VREDRAW;\r
+ if (!wc.hIcon)\r
+ wc.hIcon = LoadIcon( NULL, IDI_WINLOGO );\r
+#endif\r
+\r
+ wc.hCursor = LoadCursor( NULL, IDC_ARROW );\r
+ wc.hbrBackground = NULL;\r
+ wc.lpszMenuName = NULL;\r
+ wc.lpszClassName = _T("FREEGLUT");\r
+\r
+ /* Register the window class */\r
+ atom = RegisterClass( &wc );\r
+ FREEGLUT_INTERNAL_ERROR_EXIT ( atom, "Window Class Not Registered", "fghInitialize" );\r
+ }\r
+\r
+ /* The screen dimensions can be obtained via GetSystemMetrics() calls */\r
+ fgDisplay.ScreenWidth = GetSystemMetrics( SM_CXSCREEN );\r
+ fgDisplay.ScreenHeight = GetSystemMetrics( SM_CYSCREEN );\r
+\r
+ {\r
+ HWND desktop = GetDesktopWindow( );\r
+ HDC context = GetDC( desktop );\r
+\r
+ fgDisplay.ScreenWidthMM = GetDeviceCaps( context, HORZSIZE );\r
+ fgDisplay.ScreenHeightMM = GetDeviceCaps( context, VERTSIZE );\r
+\r
+ ReleaseDC( desktop, context );\r
+ }\r
+ /* If we have a DisplayName try to use it for metrics */\r
+ if( fgDisplay.DisplayName )\r
+ {\r
+ HDC context = CreateDC(fgDisplay.DisplayName,0,0,0);\r
+ if( context )\r
+ {\r
+ fgDisplay.ScreenWidth = GetDeviceCaps( context, HORZRES );\r
+ fgDisplay.ScreenHeight = GetDeviceCaps( context, VERTRES );\r
+ fgDisplay.ScreenWidthMM = GetDeviceCaps( context, HORZSIZE );\r
+ fgDisplay.ScreenHeightMM = GetDeviceCaps( context, VERTSIZE );\r
+ DeleteDC(context);\r
+ }\r
+ else\r
+ fgWarning("fghInitialize: "\r
+ "CreateDC failed, Screen size info may be incorrect\n"\r
+ "This is quite likely caused by a bad '-display' parameter");\r
+ \r
+ }\r
+ /* Set the timer granularity to 1 ms */\r
+ timeBeginPeriod ( 1 );\r
+\r
+\r
+ fgState.Initialised = GL_TRUE;\r
+\r
+ /* Avoid registering atexit callback on Win32 as it results in an access\r
+ * violation due to calling into a module which has been unloaded.\r
+ * Any cleanup isn't needed on Windows anyway, the OS takes care of it.c\r
+ * see: http://blogs.msdn.com/b/oldnewthing/archive/2012/01/05/10253268.aspx\r
+ */\r
+/* atexit(fgDeinitialize); */\r
+\r
+ /* InputDevice uses GlutTimerFunc(), so fgState.Initialised must be TRUE */\r
+ fgInitialiseInputDevices();\r
+}\r
+\r
+\r
+\r
+/* Platform-Specific Deinitialization Functions: */\r
+extern void fghCloseInputDevices ( void );\r
+\r
+void fghDeinitialiseInputDevices ( void )\r
+{\r
+#if !defined(_WIN32_WCE)\r
+ fghCloseInputDevices ();\r
+#endif /* !defined(_WIN32_WCE) */\r
+ fgState.JoysticksInitialised = GL_FALSE;\r
+ fgState.InputDevsInitialised = GL_FALSE;\r
+}\r
+\r
+void fghCloseDisplay ( void )\r
+{\r
+ if( fgDisplay.DisplayName )\r
+ {\r
+ free( fgDisplay.DisplayName );\r
+ fgDisplay.DisplayName = NULL;\r
+ }\r
+\r
+ /* Reset the timer granularity */\r
+ timeEndPeriod ( 1 );\r
+}\r
+\r
+\r
+\r
+\r
+\r
projects / freeglut / blobdiff