+/*
+ * freeglut_init_mswin.c
+ *
+ * The Windows-specific mouse cursor related stuff.
+ *
+ * Copyright (c) 2012 Stephen J. Baker. All Rights Reserved.
+ * Written by John F. Fay, <fayjf@sourceforge.net>
+ * Creation date: Thu Jan 19, 2012
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * PAWEL W. OLSZTA BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#define FREEGLUT_BUILDING_LIB
+#include <GL/freeglut.h>
+#include "../Common/freeglut_internal.h"
+
+
+
+extern LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg,
+ WPARAM wParam, LPARAM lParam );
+
+
+/*
+ * A call to this function should initialize all the display stuff...
+ */
+void fgPlatformInitialize( const char* displayName )
+{
+ WNDCLASS wc;
+ ATOM atom;
+
+ /* What we need to do is to initialize the fgDisplay global structure here. */
+ fgDisplay.pDisplay.Instance = GetModuleHandle( NULL );
+ fgDisplay.pDisplay.DisplayName= displayName ? strdup(displayName) : 0 ;
+ atom = GetClassInfo( fgDisplay.pDisplay.Instance, _T("FREEGLUT"), &wc );
+
+ if( atom == 0 )
+ {
+ ZeroMemory( &wc, sizeof(WNDCLASS) );
+
+ /*
+ * Each of the windows should have its own device context, and we
+ * want redraw events during Vertical and Horizontal Resizes by
+ * the user.
+ *
+ * XXX Old code had "| CS_DBCLCKS" commented out. Plans for the
+ * XXX future? Dead-end idea?
+ */
+ wc.lpfnWndProc = fgPlatformWindowProc;
+ wc.cbClsExtra = 0;
+ wc.cbWndExtra = 0;
+ wc.hInstance = fgDisplay.pDisplay.Instance;
+ wc.hIcon = LoadIcon( fgDisplay.pDisplay.Instance, _T("GLUT_ICON") );
+
+#if defined(_WIN32_WCE)
+ wc.style = CS_HREDRAW | CS_VREDRAW;
+#else
+ wc.style = CS_OWNDC | CS_HREDRAW | CS_VREDRAW;
+ if (!wc.hIcon)
+ wc.hIcon = LoadIcon( NULL, IDI_WINLOGO );
+#endif
+
+ wc.hCursor = LoadCursor( NULL, IDC_ARROW );
+ wc.hbrBackground = NULL;
+ wc.lpszMenuName = NULL;
+ wc.lpszClassName = _T("FREEGLUT");
+
+ /* Register the window class */
+ atom = RegisterClass( &wc );
+ FREEGLUT_INTERNAL_ERROR_EXIT ( atom, "Window Class Not Registered", "fgPlatformInitialize" );
+ }
+
+ /* The screen dimensions can be obtained via GetSystemMetrics() calls */
+ fgDisplay.ScreenWidth = GetSystemMetrics( SM_CXSCREEN );
+ fgDisplay.ScreenHeight = GetSystemMetrics( SM_CYSCREEN );
+
+ {
+ HWND desktop = GetDesktopWindow( );
+ HDC context = GetDC( desktop );
+
+ fgDisplay.ScreenWidthMM = GetDeviceCaps( context, HORZSIZE );
+ fgDisplay.ScreenHeightMM = GetDeviceCaps( context, VERTSIZE );
+
+ ReleaseDC( desktop, context );
+ }
+ /* If we have a DisplayName try to use it for metrics */
+ if( fgDisplay.pDisplay.DisplayName )
+ {
+ HDC context = CreateDC(fgDisplay.pDisplay.DisplayName,0,0,0);
+ if( context )
+ {
+ fgDisplay.ScreenWidth = GetDeviceCaps( context, HORZRES );
+ fgDisplay.ScreenHeight = GetDeviceCaps( context, VERTRES );
+ fgDisplay.ScreenWidthMM = GetDeviceCaps( context, HORZSIZE );
+ fgDisplay.ScreenHeightMM = GetDeviceCaps( context, VERTSIZE );
+ DeleteDC(context);
+ }
+ else
+ fgWarning("fgPlatformInitialize: "
+ "CreateDC failed, Screen size info may be incorrect\n"
+ "This is quite likely caused by a bad '-display' parameter");
+
+ }
+ /* Set the timer granularity to 1 ms */
+ timeBeginPeriod ( 1 );
+
+
+ fgState.Initialised = GL_TRUE;
+
+ /* Avoid registering atexit callback on Win32 as it can result in an
+ * access violation due to calling into a module which has been
+ * unloaded.
+ * Any cleanup isn't needed on Windows anyway, the OS takes care of it.
+ * see: http://blogs.msdn.com/b/oldnewthing/archive/2012/01/05/10253268.aspx
+ */
+/* atexit(fgDeinitialize); */
+
+ /* InputDevice uses GlutTimerFunc(), so fgState.Initialised must be TRUE */
+ fgInitialiseInputDevices();
+}
+
+
+
+/* Platform-Specific Deinitialization Functions: */
+extern void fghCloseInputDevices ( void );
+
+void fgPlatformDeinitialiseInputDevices ( void )
+{
+#if !defined(_WIN32_WCE)
+ fghCloseInputDevices ();
+#endif /* !defined(_WIN32_WCE) */
+ fgState.JoysticksInitialised = GL_FALSE;
+ fgState.InputDevsInitialised = GL_FALSE;
+}
+
+void fgPlatformCloseDisplay ( void )
+{
+ if( fgDisplay.pDisplay.DisplayName )
+ {
+ free( fgDisplay.pDisplay.DisplayName );
+ fgDisplay.pDisplay.DisplayName = NULL;
+ }
+
+ /* Reset the timer granularity */
+ timeEndPeriod ( 1 );
+}
+
+void fgPlatformDestroyContext ( SFG_PlatformDisplay pDisplay, SFG_WindowContextType MContext )
+{
+ /* Do nothing -- this is required for X11 */
+}
+
+/* -- PLATFORM-SPECIFIC INTERFACE FUNCTION -------------------------------------------------- */
+
+void (__cdecl *__glutExitFunc)( int return_value ) = NULL;
+
+void FGAPIENTRY __glutInitWithExit( int *pargc, char **argv, void (__cdecl *exit_function)(int) )
+{
+ __glutExitFunc = exit_function;
+ glutInit(pargc, argv);
+}
+
projects / freeglut / blobdiff