X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Fmswin%2Ffreeglut_init_mswin.c;h=f80fe78803769031e384a286ba4d2674c88cc148;hb=1b5ee849ba61b667aeba474a7e03406196478bee;hp=97926326462de96c0a33c351d74d5ac6231d1adf;hpb=83a7f1444d1388983a7b756dde26b0cc74101b13;p=freeglut diff --git a/src/mswin/freeglut_init_mswin.c b/src/mswin/freeglut_init_mswin.c index 9792632..f80fe78 100644 --- a/src/mswin/freeglut_init_mswin.c +++ b/src/mswin/freeglut_init_mswin.c @@ -1,331 +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 "../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 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 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 ); -} - - - -/* - * Everything down to the end of the next two functions is copied from the X sources. - */ - -/* - -Copyright 1985, 1986, 1987,1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -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 THE OPEN GROUP 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. - -Except as contained in this notice, the name of The Open Group shall -not be used in advertising or otherwise to promote the sale, use or -other dealings in this Software without prior written authorization -from The Open Group. - -*/ - -#define NoValue 0x0000 -#define XValue 0x0001 -#define YValue 0x0002 -#define WidthValue 0x0004 -#define HeightValue 0x0008 -#define AllValues 0x000F -#define XNegative 0x0010 -#define YNegative 0x0020 - -/* - * XParseGeometry parses strings of the form - * "=x{+-}{+-}", where - * width, height, xoffset, and yoffset are unsigned integers. - * Example: "=80x24+300-49" - * The equal sign is optional. - * It returns a bitmask that indicates which of the four values - * were actually found in the string. For each value found, - * the corresponding argument is updated; for each value - * not found, the corresponding argument is left unchanged. - */ - -static int -ReadInteger(char *string, char **NextString) -{ - register int Result = 0; - int Sign = 1; - - if (*string == '+') - string++; - else if (*string == '-') - { - string++; - Sign = -1; - } - for (; (*string >= '0') && (*string <= '9'); string++) - { - Result = (Result * 10) + (*string - '0'); - } - *NextString = string; - if (Sign >= 0) - return Result; - else - return -Result; -} - -int XParseGeometry ( - const char *string, - int *x, - int *y, - unsigned int *width, /* RETURN */ - unsigned int *height) /* RETURN */ -{ - int mask = NoValue; - register char *strind; - unsigned int tempWidth = 0, tempHeight = 0; - int tempX = 0, tempY = 0; - char *nextCharacter; - - if ( (string == NULL) || (*string == '\0')) - return mask; - if (*string == '=') - string++; /* ignore possible '=' at beg of geometry spec */ - - strind = (char *)string; - if (*strind != '+' && *strind != '-' && *strind != 'x') { - tempWidth = ReadInteger(strind, &nextCharacter); - if (strind == nextCharacter) - return 0; - strind = nextCharacter; - mask |= WidthValue; - } - - if (*strind == 'x' || *strind == 'X') { - strind++; - tempHeight = ReadInteger(strind, &nextCharacter); - if (strind == nextCharacter) - return 0; - strind = nextCharacter; - mask |= HeightValue; - } - - if ((*strind == '+') || (*strind == '-')) { - if (*strind == '-') { - strind++; - tempX = -ReadInteger(strind, &nextCharacter); - if (strind == nextCharacter) - return 0; - strind = nextCharacter; - mask |= XNegative; - } - else - { - strind++; - tempX = ReadInteger(strind, &nextCharacter); - if (strind == nextCharacter) - return 0; - strind = nextCharacter; - } - mask |= XValue; - if ((*strind == '+') || (*strind == '-')) { - if (*strind == '-') { - strind++; - tempY = -ReadInteger(strind, &nextCharacter); - if (strind == nextCharacter) - return 0; - strind = nextCharacter; - mask |= YNegative; - } - else - { - strind++; - tempY = ReadInteger(strind, &nextCharacter); - if (strind == nextCharacter) - return 0; - strind = nextCharacter; - } - mask |= YValue; - } - } - - /* If strind isn't at the end of the string the it's an invalid - geometry specification. */ - - if (*strind != '\0') return 0; - - if (mask & XValue) - *x = tempX; - if (mask & YValue) - *y = tempY; - if (mask & WidthValue) - *width = tempWidth; - if (mask & HeightValue) - *height = tempHeight; - return mask; -} - - - +/* + * 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 "../fg_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); +} +