X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Fmswin%2Ffreeglut_state_mswin.c;h=07ffdb1d64e1ac43f031d8ca902fe5090702501c;hb=1b5ee849ba61b667aeba474a7e03406196478bee;hp=ed1f57e3d8499a7c0972df71fbedec8cf223db7f;hpb=625d4f9446481f4a1684314cb559df7976090578;p=freeglut diff --git a/src/mswin/freeglut_state_mswin.c b/src/mswin/freeglut_state_mswin.c index ed1f57e..07ffdb1 100644 --- a/src/mswin/freeglut_state_mswin.c +++ b/src/mswin/freeglut_state_mswin.c @@ -1,338 +1,306 @@ -/* - * freeglut_state_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: Sun Jan 22, 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 GLboolean fgSetupPixelFormat( SFG_Window* window, GLboolean checkOnly, - unsigned char layer_type ); - -/* - * Helper functions for getting client area from the window rect - * and the window rect from the client area given the style of the window - * (or a valid window pointer from which the style can be queried). - */ -extern RECT fghGetClientArea( const SFG_Window *window, BOOL wantPosOutside ); -extern void fghGetBorderWidth(const DWORD windowStyle, int* xBorderWidth, int* yBorderWidth); - - -/* The following include file is available from SGI but is not standard: - * #include - * So we copy the necessary parts out of it to support the multisampling query - */ -#define WGL_SAMPLES_ARB 0x2042 - - - -int fgPlatformGlutGet ( GLenum eWhat ) -{ - int returnValue ; - GLboolean boolValue ; - - int nsamples = 0; - - switch( eWhat ) - { - case GLUT_WINDOW_NUM_SAMPLES: - glGetIntegerv(WGL_SAMPLES_ARB, &nsamples); - return nsamples; - - /* Handle the OpenGL inquiries */ - case GLUT_WINDOW_RGBA: -#if defined(_WIN32_WCE) - boolValue = (GLboolean)0; /* WinCE doesn't support this feature */ -#else - glGetBooleanv ( GL_RGBA_MODE, &boolValue ); - returnValue = boolValue ? 1 : 0; -#endif - return returnValue; - case GLUT_WINDOW_DOUBLEBUFFER: -#if defined(_WIN32_WCE) - boolValue = (GLboolean)0; /* WinCE doesn't support this feature */ -#else - glGetBooleanv ( GL_DOUBLEBUFFER, &boolValue ); - returnValue = boolValue ? 1 : 0; -#endif - return returnValue; - case GLUT_WINDOW_STEREO: -#if defined(_WIN32_WCE) - boolValue = (GLboolean)0; /* WinCE doesn't support this feature */ -#else - glGetBooleanv ( GL_STEREO, &boolValue ); - returnValue = boolValue ? 1 : 0; -#endif - return returnValue; - - case GLUT_WINDOW_RED_SIZE: - glGetIntegerv ( GL_RED_BITS, &returnValue ); - return returnValue; - case GLUT_WINDOW_GREEN_SIZE: - glGetIntegerv ( GL_GREEN_BITS, &returnValue ); - return returnValue; - case GLUT_WINDOW_BLUE_SIZE: - glGetIntegerv ( GL_BLUE_BITS, &returnValue ); - return returnValue; - case GLUT_WINDOW_ALPHA_SIZE: - glGetIntegerv ( GL_ALPHA_BITS, &returnValue ); - return returnValue; - case GLUT_WINDOW_ACCUM_RED_SIZE: -#if defined(_WIN32_WCE) - returnValue = 0; /* WinCE doesn't support this feature */ -#else - glGetIntegerv ( GL_ACCUM_RED_BITS, &returnValue ); -#endif - return returnValue; - case GLUT_WINDOW_ACCUM_GREEN_SIZE: -#if defined(_WIN32_WCE) - returnValue = 0; /* WinCE doesn't support this feature */ -#else - glGetIntegerv ( GL_ACCUM_GREEN_BITS, &returnValue ); -#endif - return returnValue; - case GLUT_WINDOW_ACCUM_BLUE_SIZE: -#if defined(_WIN32_WCE) - returnValue = 0; /* WinCE doesn't support this feature */ -#else - glGetIntegerv ( GL_ACCUM_BLUE_BITS, &returnValue ); -#endif - return returnValue; - case GLUT_WINDOW_ACCUM_ALPHA_SIZE: -#if defined(_WIN32_WCE) - returnValue = 0; /* WinCE doesn't support this feature */ -#else - glGetIntegerv ( GL_ACCUM_ALPHA_BITS, &returnValue ); -#endif - return returnValue; - case GLUT_WINDOW_DEPTH_SIZE: - glGetIntegerv ( GL_DEPTH_BITS, &returnValue ); - return returnValue; - - case GLUT_WINDOW_BUFFER_SIZE: - returnValue = 1 ; /* ????? */ - return returnValue; - case GLUT_WINDOW_STENCIL_SIZE: - returnValue = 0 ; /* ????? */ - return returnValue; - - case GLUT_WINDOW_X: - case GLUT_WINDOW_Y: - case GLUT_WINDOW_WIDTH: - case GLUT_WINDOW_HEIGHT: - { - /* - * There is considerable confusion about the "right thing to - * do" concerning window size and position. GLUT itself is - * not consistent between Windows and UNIX/X11; since - * platform independence is a virtue for "freeglut", we - * decided to break with GLUT's behaviour. - * - * Under UNIX/X11, it is apparently not possible to get the - * window border sizes in order to subtract them off the - * window's initial position until some time after the window - * has been created. Therefore we decided on the following - * behaviour, both under Windows and under UNIX/X11: - * - When you create a window with position (x,y) and size - * (w,h), the upper left hand corner of the outside of the - * window is at (x,y) and the size of the drawable area is - * (w,h). - * - When you query the size and position of the window--as - * is happening here for Windows--"freeglut" will return - * the size of the drawable area--the (w,h) that you - * specified when you created the window--and the coordinates - * of the upper left hand corner of the drawable - * area--which is NOT the (x,y) you specified. - */ - - RECT winRect; - - freeglut_return_val_if_fail( fgStructure.CurrentWindow != NULL, 0 ); - -#if defined(_WIN32_WCE) - GetWindowRect( fgStructure.CurrentWindow->Window.Handle, &winRect ); -#else - winRect = fghGetClientArea(fgStructure.CurrentWindow, FALSE); -#endif /* defined(_WIN32_WCE) */ - - switch( eWhat ) - { - case GLUT_WINDOW_X: return winRect.left ; - case GLUT_WINDOW_Y: return winRect.top ; - case GLUT_WINDOW_WIDTH: return winRect.right - winRect.left; - case GLUT_WINDOW_HEIGHT: return winRect.bottom - winRect.top; - } - } - break; - - case GLUT_WINDOW_BORDER_WIDTH : - case GLUT_WINDOW_HEADER_HEIGHT : -#if defined(_WIN32_WCE) - return 0; -#else - { - DWORD windowStyle; - - if (fgStructure.CurrentWindow && fgStructure.CurrentWindow->Window.Handle) - windowStyle = GetWindowLong(fgStructure.CurrentWindow->Window.Handle, GWL_STYLE); - else - /* If no window, return sizes for a default window with title bar and border */ - windowStyle = WS_OVERLAPPEDWINDOW; - - switch( eWhat ) - { - case GLUT_WINDOW_BORDER_WIDTH: - { - int xBorderWidth, yBorderWidth; - fghGetBorderWidth(windowStyle, &xBorderWidth, &yBorderWidth); - return xBorderWidth; - } - case GLUT_WINDOW_HEADER_HEIGHT: - /* Need to query for WS_MAXIMIZEBOX to see if we have a title bar, the WS_CAPTION query is also true for a WS_DLGFRAME only... */ - return (windowStyle & WS_MAXIMIZEBOX)? GetSystemMetrics( SM_CYCAPTION ) : 0; - } - } -#endif /* defined(_WIN32_WCE) */ - - case GLUT_DISPLAY_MODE_POSSIBLE: -#if defined(_WIN32_WCE) - return 0; -#else - return fgSetupPixelFormat( fgStructure.CurrentWindow, GL_TRUE, - PFD_MAIN_PLANE ); -#endif /* defined(_WIN32_WCE) */ - - - case GLUT_WINDOW_FORMAT_ID: -#if !defined(_WIN32_WCE) - if( fgStructure.CurrentWindow != NULL ) - return GetPixelFormat( fgStructure.CurrentWindow->Window.Device ); -#endif /* defined(_WIN32_WCE) */ - return 0; - - default: - fgWarning( "glutGet(): missing enum handle %d", eWhat ); - break; - } - - return -1; -} - - -int fgPlatformGlutDeviceGet ( GLenum eWhat ) -{ - switch( eWhat ) - { - case GLUT_HAS_KEYBOARD: - /* - * Win32 is assumed a keyboard, and this cannot be queried, - * except for WindowsCE. - * - * X11 has a core keyboard by definition, although it can - * be present as a virtual/dummy keyboard. For now, there - * is no reliable way to tell if a real keyboard is present. - */ -#if defined(_WIN32_CE) - return ( GetKeyboardStatus() & KBDI_KEYBOARD_PRESENT ) ? 1 : 0; -# if FREEGLUT_LIB_PRAGMAS -# pragma comment (lib,"Kbdui.lib") -# endif - -#else - return 1; -#endif - - case GLUT_HAS_MOUSE: - /* - * MS Windows can be booted without a mouse. - */ - return GetSystemMetrics( SM_MOUSEPRESENT ); - - case GLUT_NUM_MOUSE_BUTTONS: -# if defined(_WIN32_WCE) - return 1; -# else - return GetSystemMetrics( SM_CMOUSEBUTTONS ); -# endif - - default: - fgWarning( "glutDeviceGet(): missing enum handle %d", eWhat ); - break; - } - - /* And now -- the failure. */ - return -1; -} - - -int fgPlatformGlutLayerGet( GLenum eWhat ) -{ - /* - * This is easy as layers are not implemented ;-) - * - * XXX Can we merge the UNIX/X11 and WIN32 sections? Or - * XXX is overlay support planned? - */ - switch( eWhat ) - { - - case GLUT_OVERLAY_POSSIBLE: -/* return fgSetupPixelFormat( fgStructure.CurrentWindow, GL_TRUE, - PFD_OVERLAY_PLANE ); */ - return 0 ; - - case GLUT_LAYER_IN_USE: - return GLUT_NORMAL; - - case GLUT_HAS_OVERLAY: - return 0; - - case GLUT_TRANSPARENT_INDEX: - /* - * Return just anything, which is always defined as zero - * - * XXX HUH? - */ - return 0; - - case GLUT_NORMAL_DAMAGED: - /* XXX Actually I do not know. Maybe. */ - return 0; - - case GLUT_OVERLAY_DAMAGED: - return -1; - - default: - fgWarning( "glutLayerGet(): missing enum handle %d", eWhat ); - break; - } - - /* And fail. That's good. Programs do love failing. */ - return -1; -} - - - +/* + * freeglut_state_mswin.c + * + * The Windows-specific state query methods. + * + * Copyright (c) 2012 Stephen J. Baker. All Rights Reserved. + * Written by John F. Fay, + * Creation date: Sun Jan 22, 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 "../fg_internal.h" + + +extern GLboolean fgSetupPixelFormat( SFG_Window* window, GLboolean checkOnly, + unsigned char layer_type ); + +/* + * Helper functions for getting client area from the window rect + * and the window rect from the client area given the style of the window + * (or a valid window pointer from which the style can be queried). + */ +extern RECT fghGetClientArea( const SFG_Window *window, BOOL wantPosOutside ); +extern void fghGetBorderWidth(const DWORD windowStyle, int* xBorderWidth, int* yBorderWidth); + + +/* The following include file is available from SGI but is not standard: + * #include + * So we copy the necessary parts out of it to support the multisampling query + */ +#define WGL_SAMPLES_ARB 0x2042 + +#if defined(_WIN32_WCE) +# include +# ifdef FREEGLUT_LIB_PRAGMAS +# pragma comment( lib, "Aygshell.lib" ) +# endif +#endif /* defined(_WIN32_WCE) */ + + + +int fgPlatformGlutGet ( GLenum eWhat ) +{ + int returnValue ; + GLboolean boolValue ; + + int nsamples = 0; + + switch( eWhat ) + { + case GLUT_WINDOW_NUM_SAMPLES: + glGetIntegerv(WGL_SAMPLES_ARB, &nsamples); + return nsamples; + + /* Handle the OpenGL inquiries */ + case GLUT_WINDOW_RGBA: +#if defined(_WIN32_WCE) + boolValue = (GLboolean)0; /* WinCE doesn't support this feature */ +#else + glGetBooleanv ( GL_RGBA_MODE, &boolValue ); + returnValue = boolValue ? 1 : 0; +#endif + return returnValue; + case GLUT_WINDOW_DOUBLEBUFFER: +#if defined(_WIN32_WCE) + boolValue = (GLboolean)0; /* WinCE doesn't support this feature */ +#else + glGetBooleanv ( GL_DOUBLEBUFFER, &boolValue ); + returnValue = boolValue ? 1 : 0; +#endif + return returnValue; + case GLUT_WINDOW_STEREO: +#if defined(_WIN32_WCE) + boolValue = (GLboolean)0; /* WinCE doesn't support this feature */ +#else + glGetBooleanv ( GL_STEREO, &boolValue ); + returnValue = boolValue ? 1 : 0; +#endif + return returnValue; + + case GLUT_WINDOW_RED_SIZE: + glGetIntegerv ( GL_RED_BITS, &returnValue ); + return returnValue; + case GLUT_WINDOW_GREEN_SIZE: + glGetIntegerv ( GL_GREEN_BITS, &returnValue ); + return returnValue; + case GLUT_WINDOW_BLUE_SIZE: + glGetIntegerv ( GL_BLUE_BITS, &returnValue ); + return returnValue; + case GLUT_WINDOW_ALPHA_SIZE: + glGetIntegerv ( GL_ALPHA_BITS, &returnValue ); + return returnValue; + case GLUT_WINDOW_ACCUM_RED_SIZE: +#if defined(_WIN32_WCE) + returnValue = 0; /* WinCE doesn't support this feature */ +#else + glGetIntegerv ( GL_ACCUM_RED_BITS, &returnValue ); +#endif + return returnValue; + case GLUT_WINDOW_ACCUM_GREEN_SIZE: +#if defined(_WIN32_WCE) + returnValue = 0; /* WinCE doesn't support this feature */ +#else + glGetIntegerv ( GL_ACCUM_GREEN_BITS, &returnValue ); +#endif + return returnValue; + case GLUT_WINDOW_ACCUM_BLUE_SIZE: +#if defined(_WIN32_WCE) + returnValue = 0; /* WinCE doesn't support this feature */ +#else + glGetIntegerv ( GL_ACCUM_BLUE_BITS, &returnValue ); +#endif + return returnValue; + case GLUT_WINDOW_ACCUM_ALPHA_SIZE: +#if defined(_WIN32_WCE) + returnValue = 0; /* WinCE doesn't support this feature */ +#else + glGetIntegerv ( GL_ACCUM_ALPHA_BITS, &returnValue ); +#endif + return returnValue; + case GLUT_WINDOW_DEPTH_SIZE: + glGetIntegerv ( GL_DEPTH_BITS, &returnValue ); + return returnValue; + + case GLUT_WINDOW_BUFFER_SIZE: + returnValue = 1 ; /* ????? */ + return returnValue; + case GLUT_WINDOW_STENCIL_SIZE: + returnValue = 0 ; /* ????? */ + return returnValue; + + case GLUT_WINDOW_X: + case GLUT_WINDOW_Y: + case GLUT_WINDOW_WIDTH: + case GLUT_WINDOW_HEIGHT: + { + /* + * There is considerable confusion about the "right thing to + * do" concerning window size and position. GLUT itself is + * not consistent between Windows and UNIX/X11; since + * platform independence is a virtue for "freeglut", we + * decided to break with GLUT's behaviour. + * + * Under UNIX/X11, it is apparently not possible to get the + * window border sizes in order to subtract them off the + * window's initial position until some time after the window + * has been created. Therefore we decided on the following + * behaviour, both under Windows and under UNIX/X11: + * - When you create a window with position (x,y) and size + * (w,h), the upper left hand corner of the outside of the + * window is at (x,y) and the size of the drawable area is + * (w,h). + * - When you query the size and position of the window--as + * is happening here for Windows--"freeglut" will return + * the size of the drawable area--the (w,h) that you + * specified when you created the window--and the coordinates + * of the upper left hand corner of the drawable + * area--which is NOT the (x,y) you specified. + */ + + RECT winRect; + + freeglut_return_val_if_fail( fgStructure.CurrentWindow != NULL, 0 ); + +#if defined(_WIN32_WCE) + GetWindowRect( fgStructure.CurrentWindow->Window.Handle, &winRect ); +#else + winRect = fghGetClientArea(fgStructure.CurrentWindow, FALSE); +#endif /* defined(_WIN32_WCE) */ + + switch( eWhat ) + { + case GLUT_WINDOW_X: return winRect.left ; + case GLUT_WINDOW_Y: return winRect.top ; + case GLUT_WINDOW_WIDTH: return winRect.right - winRect.left; + case GLUT_WINDOW_HEIGHT: return winRect.bottom - winRect.top; + } + } + break; + + case GLUT_WINDOW_BORDER_WIDTH : + case GLUT_WINDOW_HEADER_HEIGHT : +#if defined(_WIN32_WCE) + return 0; +#else + { + DWORD windowStyle; + + if (fgStructure.CurrentWindow && fgStructure.CurrentWindow->Window.Handle) + windowStyle = GetWindowLong(fgStructure.CurrentWindow->Window.Handle, GWL_STYLE); + else + /* If no window, return sizes for a default window with title bar and border */ + windowStyle = WS_OVERLAPPEDWINDOW; + + switch( eWhat ) + { + case GLUT_WINDOW_BORDER_WIDTH: + { + int xBorderWidth, yBorderWidth; + fghGetBorderWidth(windowStyle, &xBorderWidth, &yBorderWidth); + return xBorderWidth; + } + case GLUT_WINDOW_HEADER_HEIGHT: + /* Need to query for WS_MAXIMIZEBOX to see if we have a title bar, the WS_CAPTION query is also true for a WS_DLGFRAME only... */ + return (windowStyle & WS_MAXIMIZEBOX)? GetSystemMetrics( SM_CYCAPTION ) : 0; + } + } +#endif /* defined(_WIN32_WCE) */ + + case GLUT_DISPLAY_MODE_POSSIBLE: +#if defined(_WIN32_WCE) + return 0; +#else + return fgSetupPixelFormat( fgStructure.CurrentWindow, GL_TRUE, + PFD_MAIN_PLANE ); +#endif /* defined(_WIN32_WCE) */ + + + case GLUT_WINDOW_FORMAT_ID: +#if !defined(_WIN32_WCE) + if( fgStructure.CurrentWindow != NULL ) + return GetPixelFormat( fgStructure.CurrentWindow->Window.pContext.Device ); +#endif /* defined(_WIN32_WCE) */ + return 0; + + default: + fgWarning( "glutGet(): missing enum handle %d", eWhat ); + break; + } + + return -1; +} + + +int fgPlatformGlutDeviceGet ( GLenum eWhat ) +{ + switch( eWhat ) + { + case GLUT_HAS_KEYBOARD: + /* + * Win32 is assumed a keyboard, and this cannot be queried, + * except for WindowsCE. + */ +#if defined(_WIN32_CE) + return ( GetKeyboardStatus() & KBDI_KEYBOARD_PRESENT ) ? 1 : 0; +# if FREEGLUT_LIB_PRAGMAS +# pragma comment (lib,"Kbdui.lib") +# endif + +#else + return 1; +#endif + + case GLUT_HAS_MOUSE: + /* + * MS Windows can be booted without a mouse. + */ + return GetSystemMetrics( SM_MOUSEPRESENT ); + + case GLUT_NUM_MOUSE_BUTTONS: +# if defined(_WIN32_WCE) + return 1; +# else + return GetSystemMetrics( SM_CMOUSEBUTTONS ); +# endif + + default: + fgWarning( "glutDeviceGet(): missing enum handle %d", eWhat ); + break; + } + + /* And now -- the failure. */ + return -1; +} + +/* + * This is for querying the number of supported auxiliary or multisample + * buffers for a (the current?) display mode. + * see http://old.nabble.com/-GLX--glutGetModeValues-to13514723.html#a13514723 + * Not currently implemented, but we should be able to query the relevant + * info using + * http://www.opengl.org/registry/specs/ARB/wgl_pixel_format.txt + * (if supported on the executing machine!) + */ +int *fgPlatformGlutGetModeValues(GLenum eWhat, int *size) +{ + *size = 0; + return NULL; +} \ No newline at end of file