X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Fmswin%2Ffreeglut_init_mswin.c;h=4e1451d997b34d013f532f24338222a8af7c02b3;hb=c41e61d8b1543d571577005109f15ac25b5f3f17;hp=d971b35c0c70b347cfab65594a13e46d5a69fa1c;hpb=5f00b60f32068ff949c9dde175d65d43c5a65f5a;p=freeglut diff --git a/src/mswin/freeglut_init_mswin.c b/src/mswin/freeglut_init_mswin.c index d971b35..4e1451d 100644 --- a/src/mswin/freeglut_init_mswin.c +++ b/src/mswin/freeglut_init_mswin.c @@ -1,158 +1,176 @@ -/* - * 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, - * 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. - */ - -#include -#include "freeglut_internal_mswin.h" - - -/* - * A call to this function should initialize all the display stuff... - */ -void fghInitialize( const char* displayName ) -{ - WNDCLASS wc; - ATOM atom; - - /* What we need to do is to initialize the fgDisplay global structure here. */ - fgDisplay.Instance = GetModuleHandle( NULL ); - fgDisplay.DisplayName= displayName ? strdup(displayName) : 0 ; - atom = GetClassInfo( fgDisplay.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 = fgWindowProc; - wc.cbClsExtra = 0; - wc.cbWndExtra = 0; - wc.hInstance = fgDisplay.Instance; - wc.hIcon = LoadIcon( fgDisplay.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", "fghInitialize" ); - } - - /* 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.DisplayName ) - { - HDC context = CreateDC(fgDisplay.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("fghInitialize: " - "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 results 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.c - * 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 fghDeinitialiseInputDevices ( void ) -{ -#if !defined(_WIN32_WCE) - fghCloseInputDevices (); -#endif /* !defined(_WIN32_WCE) */ - fgState.JoysticksInitialised = GL_FALSE; - fgState.InputDevsInitialised = GL_FALSE; -} - -void fghCloseDisplay ( void ) -{ - if( fgDisplay.DisplayName ) - { - free( fgDisplay.DisplayName ); - fgDisplay.DisplayName = NULL; - } - - /* Reset the timer granularity */ - timeEndPeriod ( 1 ); -} - - - - - +/* + * 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, + * 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 +#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); +} +