X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Fmswin%2Ffreeglut_state_mswin.c;h=ed1f57e3d8499a7c0972df71fbedec8cf223db7f;hb=25f8968aacfa2038bc34be17ccaf05cae52c1110;hp=e69de29bb2d1d6434b8b29ae775ad8c2e48c5391;hpb=23115ad49ced2f295f719e8cea6acad802402cdb;p=freeglut diff --git a/src/mswin/freeglut_state_mswin.c b/src/mswin/freeglut_state_mswin.c index e69de29..ed1f57e 100644 --- a/src/mswin/freeglut_state_mswin.c +++ b/src/mswin/freeglut_state_mswin.c @@ -0,0 +1,338 @@ +/* + * 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; +} + + +