X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Ffreeglut_internal.h;h=7c71873a413868ed5662319de734f069b4c1cab3;hb=846e7692343b1bd4473ded068f4b86056baedb77;hp=1c071293740244b088b2ec6f4bb06fe634843b1f;hpb=6055caa963816364b4fefd32c3bd3d06ea968a85;p=freeglut diff --git a/src/freeglut_internal.h b/src/freeglut_internal.h index 1c07129..7c71873 100644 --- a/src/freeglut_internal.h +++ b/src/freeglut_internal.h @@ -28,76 +28,161 @@ #ifndef FREEGLUT_INTERNAL_H #define FREEGLUT_INTERNAL_H +#if HAVE_CONFIG_H +# include "config.h" +#endif + /* XXX Update these for each release! */ #define VERSION_MAJOR 2 -#define VERSION_MINOR 0 -#define VERSION_PATCH 2 +#define VERSION_MINOR 6 +#define VERSION_PATCH 0 -/* - * Freeglut is meant to be available under all Unix/X11 and Win32 platforms. +/* Freeglut is intended to function under all Unix/X11 and Win32 platforms. */ +/* XXX: Don't all MS-Windows compilers (except Cygwin) have _WIN32 defined? + * XXX: If so, remove the first set of defined()'s below. */ -#if !defined(_WIN32) -# define TARGET_HOST_UNIX_X11 1 -# define TARGET_HOST_WIN32 0 +#if defined(_MSC_VER) || defined(__WATCOMC__) || defined(__MINGW32__) \ + || defined(_WIN32) || defined(_WIN32_WCE) \ + || ( defined(__CYGWIN__) && defined(X_DISPLAY_MISSING) ) +# define TARGET_HOST_MS_WINDOWS 1 + +#elif defined(__posix__) || defined(__unix__) || defined(__linux__) +# define TARGET_HOST_POSIX_X11 1 + +/* FIXME: no Macintosh support? +#if ... +# define TARGET_HOST_MAC_OSX 1 #else -# define TARGET_HOST_UNIX_X11 0 -# define TARGET_HOST_WIN32 1 +# error "Unrecognized target host!" +*/ #endif -#define FREEGLUT_MAX_MENUS 3 -#define FREEGLUT_DEBUG 1 +/* Detect both SunPro and gcc compilers on Sun Solaris */ +#if defined (__SVR4) && defined (__sun) +# define TARGET_HOST_SOLARIS 1 +#endif -#if FREEGLUT_DEBUG - #undef G_DISABLE_ASSERT - #undef G_DISABLE_CHECKS -#else - #define G_DISABLE_ASSERT - #define G_DISABLE_CHECKS +#ifndef TARGET_HOST_MS_WINDOWS +# define TARGET_HOST_MS_WINDOWS 0 #endif -/* - * Somehow all Win32 include headers depend on this one: - */ -#if TARGET_HOST_WIN32 -#include -#include +#ifndef TARGET_HOST_POSIX_X11 +# define TARGET_HOST_POSIX_X11 0 +#endif -#define strdup _strdup +#ifndef TARGET_HOST_MAC_OSX +# define TARGET_HOST_MAC_OSX 0 #endif -/* - * Those files should be available on every platform. - */ -#include -#include +#ifndef TARGET_HOST_SOLARIS +# define TARGET_HOST_SOLARIS 0 +#endif + +/* -- FIXED CONFIGURATION LIMITS ------------------------------------------- */ + +#define FREEGLUT_MAX_MENUS 3 + +/* -- PLATFORM-SPECIFIC INCLUDES ------------------------------------------- */ + +/* All Win32 headers depend on the huge Windows.h recursive include. + * Note: Let's use proper case for MS-Win headers. Even though it's + * not required due to case insensitivity, it's a good habit to keep + * because the cross-platform includes are case sensitive. + */ +#if TARGET_HOST_MS_WINDOWS && !defined(_WIN32_WCE) +# include +# include +# include +/* CYGWIN does not have tchar.h, but has TEXT(x), defined in winnt.h. */ +# ifndef __CYGWIN__ +# include +# else +# define _TEXT(x) TEXT(x) +# define _T(x) TEXT(x) +# endif + +#elif TARGET_HOST_POSIX_X11 +# include +# include +# include +# include +# include +# ifdef HAVE_X11_EXTENSIONS_XF86VMODE_H +# include +# endif +/* If GLX is too old, we will fail during runtime when multisampling + is requested, but at least freeglut compiles. */ +# ifndef GLX_SAMPLE_BUFFERS +# define GLX_SAMPLE_BUFFERS 0x80A8 +# endif +# ifndef GLX_SAMPLES +# define GLX_SAMPLES 0x80A9 +# endif + +#endif + +/* These files should be available on every platform. */ #include #include #include #include -#include -#include -#if TARGET_HOST_UNIX_X11 -#include -#include + +/* These are included based on autoconf directives. */ +#if HAVE_SYS_TYPES_H +# include +#endif +#if HAVE_UNISTD_H +# include +#endif +#if TIME_WITH_SYS_TIME +# include +# include +#elif HAVE_SYS_TIME_H +# include +#else +# include #endif -/* - * The system-dependant include files should go here: +/* -- AUTOCONF HACKS --------------------------------------------------------*/ + +/* XXX: Update autoconf to avoid these. + * XXX: Are non-POSIX platforms intended not to use autoconf? + * If so, perhaps there should be a config_guess.h for them. Alternatively, + * config guesses could be placed above, just after the config.h exclusion. */ -#if TARGET_HOST_UNIX_X11 - #include - #include - #include - #include - - #ifdef HAVE_X11_EXTENSIONS_XF86VMODE_H - #include - #endif +#if defined(__FreeBSD__) || defined(__NetBSD__) +# define HAVE_USB_JS 1 +# if defined(__NetBSD__) || ( defined(__FreeBSD__) && __FreeBSD_version >= 500000) +# define HAVE_USBHID_H 1 +# endif #endif -/* - * Microsoft VisualC++ 5.0's does not define the PI - */ +#if TARGET_HOST_MS_WINDOWS +# define HAVE_VPRINTF 1 +#endif + +#if !defined(HAVE_VPRINTF) && !defined(HAVE_DOPRNT) +/* XXX warning directive here? */ +# define HAVE_VPRINTF 1 +#endif + +/* MinGW may lack a prototype for ChangeDisplaySettingsEx() (depending on the version?) */ +#if TARGET_HOST_MS_WINDOWS && !defined(ChangeDisplaySettingsEx) +LONG WINAPI ChangeDisplaySettingsExA(LPCSTR,LPDEVMODEA,HWND,DWORD,LPVOID); +LONG WINAPI ChangeDisplaySettingsExW(LPCWSTR,LPDEVMODEW,HWND,DWORD,LPVOID); +# ifdef UNICODE +# define ChangeDisplaySettingsEx ChangeDisplaySettingsExW +# else +# define ChangeDisplaySettingsEx ChangeDisplaySettingsExA +# endif +#endif + +#if defined(_MSC_VER) || defined(__WATCOMC__) +/* strdup() is non-standard, for all but POSIX-2001 */ +#define strdup _strdup +#endif + +/* M_PI is non-standard (defined by BSD, not ISO-C) */ #ifndef M_PI # define M_PI 3.14159265358979323846 #endif @@ -110,11 +195,13 @@ # define FALSE 0 #endif +/* General defines */ + +#define INVALID_MODIFIERS 0xffffffff + /* -- GLOBAL TYPE DEFINITIONS ---------------------------------------------- */ -/* - * Freeglut callbacks type definitions - */ +/* Freeglut callbacks type definitions */ typedef void (* FGCBDisplay )( void ); typedef void (* FGCBReshape )( int, int ); typedef void (* FGCBVisibility )( int ); @@ -140,23 +227,17 @@ typedef void (* FGCBTabletMotion )( int, int ); typedef void (* FGCBTabletButton )( int, int, int, int ); typedef void (* FGCBDestroy )( void ); -/* - * The global callbacks type definitions - */ +/* The global callbacks type definitions */ typedef void (* FGCBIdle )( void ); typedef void (* FGCBTimer )( int ); typedef void (* FGCBMenuState )( int ); typedef void (* FGCBMenuStatus )( int, int, int ); -/* - * The callback used when creating/using menus - */ +/* The callback used when creating/using menus */ typedef void (* FGCBMenu )( int ); -/* - * A list structure - */ +/* A list structure */ typedef struct tagSFG_List SFG_List; struct tagSFG_List { @@ -164,9 +245,7 @@ struct tagSFG_List void *Last; }; -/* - * A list node structure - */ +/* A list node structure */ typedef struct tagSFG_Node SFG_Node; struct tagSFG_Node { @@ -174,9 +253,7 @@ struct tagSFG_Node void *Prev; }; -/* - * A helper structure holding two ints and a boolean - */ +/* A helper structure holding two ints and a boolean */ typedef struct tagSFG_XYUse SFG_XYUse; struct tagSFG_XYUse { @@ -185,20 +262,6 @@ struct tagSFG_XYUse }; /* - * A helper structure holding a timeval and a boolean - */ -typedef struct tagSFG_Time SFG_Time; -struct tagSFG_Time -{ -#ifdef WIN32 - DWORD Value; -#else - struct timeval Value; -#endif - GLboolean Set; -}; - -/* * An enumeration containing the state of the GLUT execution: * initializing, running, or stopping */ @@ -209,9 +272,7 @@ typedef enum GLUT_EXEC_STATE_STOP } fgExecutionState ; -/* - * This structure holds different freeglut settings - */ +/* This structure holds different freeglut settings */ typedef struct tagSFG_State SFG_State; struct tagSFG_State { @@ -221,8 +282,7 @@ struct tagSFG_State GLboolean Initialised; /* freeglut has been initialised */ - GLboolean ForceDirectContext; /* Force direct rendering? */ - GLboolean TryDirectContext; /* What about giving a try to? */ + int DirectContext; /* Direct rendering state */ GLboolean ForceIconic; /* New top windows are iconified */ GLboolean UseCurrentContext; /* New windows share with current */ @@ -230,14 +290,14 @@ struct tagSFG_State GLboolean GLDebugSwitch; /* OpenGL state debugging switch */ GLboolean XSyncSwitch; /* X11 sync protocol switch */ - GLboolean IgnoreKeyRepeat; /* Whether to ignore key repeat. */ + int KeyRepeat; /* Global key repeat mode. */ int Modifiers; /* Current ALT/SHIFT/CTRL state */ GLuint FPSInterval; /* Interval between FPS printfs */ GLuint SwapCount; /* Count of glutSwapBuffer calls */ GLuint SwapTime; /* Time of last SwapBuffers */ - SFG_Time Time; /* Time that glutInit was called */ + unsigned long Time; /* Time that glutInit was called */ SFG_List Timers; /* The freeglut timer hooks */ SFG_List FreeTimers; /* The unused timer hooks */ @@ -255,20 +315,30 @@ struct tagSFG_State fgExecutionState ExecState; /* Used for GLUT termination */ char *ProgramName; /* Name of the invoking program */ + GLboolean JoysticksInitialised; /* Only initialize if application calls for them */ + GLboolean InputDevsInitialised; /* Only initialize if application calls for them */ + + int AuxiliaryBufferNumber; /* Number of auxiliary buffers */ + int SampleNumber; /* Number of samples per pixel */ + + int MajorVersion; /* Major OpenGL context version */ + int MinorVersion; /* Minor OpenGL context version */ + int ContextFlags; /* OpenGL context flags */ + int ContextProfile; /* OpenGL context profile */ }; -/* - * The structure used by display initialization in freeglut_init.c - */ +/* The structure used by display initialization in freeglut_init.c */ typedef struct tagSFG_Display SFG_Display; struct tagSFG_Display { -#if TARGET_HOST_UNIX_X11 +#if TARGET_HOST_POSIX_X11 Display* Display; /* The display we are being run in. */ int Screen; /* The screen we are about to use. */ Window RootWindow; /* The screen's root window. */ int Connection; /* The display's connection number */ Atom DeleteWindow; /* The window deletion atom */ + Atom State; /* The state atom */ + Atom StateFullScreen; /* The full screen atom */ #ifdef X_XF86VidModeGetModeLine /* @@ -283,9 +353,9 @@ struct tagSFG_Display int DisplayPointerX; /* saved X location of the pointer */ int DisplayPointerY; /* saved Y location of the pointer */ -#endif +#endif /* X_XF86VidModeGetModeLine */ -#elif TARGET_HOST_WIN32 +#elif TARGET_HOST_MS_WINDOWS HINSTANCE Instance; /* The application's instance */ DEVMODE DisplayMode; /* Desktop's display settings */ @@ -298,9 +368,7 @@ struct tagSFG_Display }; -/* - * The user can create any number of timer hooks - */ +/* The user can create any number of timer hooks */ typedef struct tagSFG_Timer SFG_Timer; struct tagSFG_Timer { @@ -314,12 +382,12 @@ struct tagSFG_Timer * Make "freeglut" window handle and context types so that we don't need so * much conditionally-compiled code later in the library. */ -#if TARGET_HOST_UNIX_X11 +#if TARGET_HOST_POSIX_X11 typedef Window SFG_WindowHandleType ; typedef GLXContext SFG_WindowContextType ; -#elif TARGET_HOST_WIN32 +#elif TARGET_HOST_MS_WINDOWS typedef HWND SFG_WindowHandleType ; typedef HGLRC SFG_WindowContextType ; @@ -336,23 +404,23 @@ struct tagSFG_Context SFG_WindowHandleType Handle; /* The window's handle */ SFG_WindowContextType Context; /* The window's OpenGL/WGL context */ -#if TARGET_HOST_UNIX_X11 - XVisualInfo* VisualInfo; /* The window's visual information */ -#elif TARGET_HOST_WIN32 +#if TARGET_HOST_POSIX_X11 + GLXFBConfig* FBConfig; /* The window's FBConfig */ +#elif TARGET_HOST_MS_WINDOWS HDC Device; /* The window's device context */ #endif int DoubleBuffered; /* Treat the window as double-buffered */ }; -/* - * Window's state description. This structure should be kept portable. - */ +/* Window's state description. This structure should be kept portable. */ typedef struct tagSFG_WindowState SFG_WindowState; struct tagSFG_WindowState { int Width; /* Window's width in pixels */ int Height; /* The same about the height */ + int OldWidth; /* Window width from before a resize */ + int OldHeight; /* " height " " " " */ GLboolean Redisplay; /* Do we have to redisplay? */ GLboolean Visible; /* Is the window visible now */ @@ -360,42 +428,77 @@ struct tagSFG_WindowState int Cursor; /* The currently selected cursor */ long JoystickPollRate; /* The joystick polling rate */ - long JoystickLastPoll; /* When the last poll has happened */ + long JoystickLastPoll; /* When the last poll happened */ int MouseX, MouseY; /* The most recent mouse position */ - GLboolean IsGameMode; /* Is this the game mode window? */ + GLboolean IgnoreKeyRepeat; /* Whether to ignore key repeat. */ + GLboolean KeyRepeating; /* Currently in repeat mode */ GLboolean NeedToResize; /* Do we need to resize the window? */ + + GLboolean IsFullscreen; /* is the window fullscreen? */ }; /* + * A generic function pointer. We should really use the GLUTproc type + * defined in freeglut_ext.h, but if we include that header in this file + * a bunch of other stuff (font-related) blows up! + */ +typedef void (*SFG_Proc)(); + + +/* + * SET_WCB() is used as: + * + * SET_WCB( window, cbname, func ); + * + * ...where {window} is the freeglut window to set the callback, + * {cbname} is the window-specific callback to set, + * {func} is a function-pointer. + * + * Originally, {FETCH_WCB( ... ) = func} was rather sloppily used, + * but this can cause warnings because the FETCH_WCB() macro type- + * casts its result, and a type-cast value shouldn't be an lvalue. + * + * The {if( FETCH_WCB( ... ) != func )} test is to do type-checking + * and for no other reason. Since it's hidden in the macro, the + * ugliness is felt to be rather benign. + */ +#define SET_WCB(window,cbname,func) \ +do \ +{ \ + if( FETCH_WCB( window, cbname ) != (SFG_Proc)(func) ) \ + (((window).CallBacks[CB_ ## cbname]) = (SFG_Proc)(func)); \ +} while( 0 ) + +/* * FETCH_WCB() is used as: * - * FETCH_WCB( window, Visibility ); + * FETCH_WCB( window, cbname ); * * ...where {window} is the freeglut window to fetch the callback from, - * {Visibility} is the window-specific callback to fetch. + * {cbname} is the window-specific callback to fetch. * * The result is correctly type-cast to the callback function pointer * type. */ #define FETCH_WCB(window,cbname) \ - ((FGCB ## cbname)((window).CallBacks[CB_ ## cbname])) + ((window).CallBacks[CB_ ## cbname]) /* * INVOKE_WCB() is used as: * - * INVOKE_WCB( window, Visibility, ( status ) ); + * INVOKE_WCB( window, cbname, ( arg_list ) ); * * ...where {window} is the freeglut window, - * {Visibility} is the window-specific callback, - * {(status)} is the parameter list. + * {cbname} is the window-specific callback to be invoked, + * {(arg_list)} is the parameter list. * * The callback is invoked as: * - * callback( status ); + * callback( arg_list ); * * ...so the parentheses are REQUIRED in the {arg_list}. * @@ -403,15 +506,28 @@ struct tagSFG_WindowState * current window. * */ +#if TARGET_HOST_MS_WINDOWS && !defined(_WIN32_WCE) /* FIXME: also WinCE? */ #define INVOKE_WCB(window,cbname,arg_list) \ do \ { \ if( FETCH_WCB( window, cbname ) ) \ { \ + FGCB ## cbname func = (FGCB ## cbname)(FETCH_WCB( window, cbname )); \ fgSetWindow( &window ); \ - FETCH_WCB( window, cbname ) arg_list; \ + func arg_list; \ } \ } while( 0 ) +#else +#define INVOKE_WCB(window,cbname,arg_list) \ +do \ +{ \ + if( FETCH_WCB( window, cbname ) ) \ + { \ + fgSetWindow( &window ); \ + ((FGCB ## cbname)FETCH_WCB( window, cbname )) arg_list; \ + } \ +} while( 0 ) +#endif /* * The window callbacks the user can supply us with. Should be kept portable. @@ -450,35 +566,27 @@ enum /* Presently ignored */ CB_Select, CB_OverlayDisplay, - CB_SpaceMotion, - CB_SpaceRotation, - CB_SpaceButton, + CB_SpaceMotion, /* presently implemented only on UNIX/X11 */ + CB_SpaceRotation, /* presently implemented only on UNIX/X11 */ + CB_SpaceButton, /* presently implemented only on UNIX/X11 */ CB_Dials, CB_ButtonBox, CB_TabletMotion, CB_TabletButton, - + /* Always make this the LAST one */ TOTAL_CALLBACKS }; -/* - * This structure holds the OpenGL rendering context for all the menu windows - */ +/* This structure holds the OpenGL rendering context for all the menu windows */ typedef struct tagSFG_MenuContext SFG_MenuContext; struct tagSFG_MenuContext { -#if TARGET_HOST_UNIX_X11 - XVisualInfo* VisualInfo; /* The window's visual information */ -#endif - - SFG_WindowContextType Context; /* The menu window's WGL context */ + SFG_WindowContextType MContext; /* The menu window's WGL context */ }; -/* - * This structure describes a menu - */ +/* This structure describes a menu */ typedef struct tagSFG_Window SFG_Window; typedef struct tagSFG_MenuEntry SFG_MenuEntry; typedef struct tagSFG_Menu SFG_Menu; @@ -497,12 +605,10 @@ struct tagSFG_Menu SFG_MenuEntry *ActiveEntry; /* Currently active entry in the menu */ SFG_Window *Window; /* Window for menu */ - SFG_Window *ParentWindow; /* Window in which the menu is defined */ + SFG_Window *ParentWindow; /* Window in which the menu is invoked */ }; -/* - * This is a menu entry - */ +/* This is a menu entry */ struct tagSFG_MenuEntry { SFG_Node Node; @@ -517,6 +623,8 @@ struct tagSFG_MenuEntry /* * A window, making part of freeglut windows hierarchy. * Should be kept portable. + * + * NOTE that ActiveMenu is set to menu itself if the window is a menu. */ struct tagSFG_Window { @@ -525,7 +633,7 @@ struct tagSFG_Window SFG_Context Window; /* Window and OpenGL context */ SFG_WindowState State; /* The window state */ - void *CallBacks[ TOTAL_CALLBACKS ]; /* Array of window callbacks */ + SFG_Proc CallBacks[ TOTAL_CALLBACKS ]; /* Array of window callbacks */ void *UserData ; /* For use by user */ SFG_Menu* Menu[ FREEGLUT_MAX_MENUS ]; /* Menus appended to window */ @@ -538,34 +646,31 @@ struct tagSFG_Window }; -/* - * A linked list structure of windows - */ +/* A linked list structure of windows */ typedef struct tagSFG_WindowList SFG_WindowList ; struct tagSFG_WindowList { + SFG_Node node; SFG_Window *window ; - SFG_WindowList *next ; }; -/* - * This holds information about all the windows, menus etc. - */ +/* This holds information about all the windows, menus etc. */ typedef struct tagSFG_Structure SFG_Structure; struct tagSFG_Structure { - SFG_List Windows; /* The global windows list */ - SFG_List Menus; /* The global menus list */ + SFG_List Windows; /* The global windows list */ + SFG_List Menus; /* The global menus list */ + SFG_List WindowsToDestroy; - SFG_Window* Window; /* The currently active win. */ - SFG_Menu* Menu; /* Same, but menu... */ + SFG_Window* CurrentWindow; /* The currently set window */ + SFG_Menu* CurrentMenu; /* Same, but menu... */ - SFG_MenuContext* MenuContext; /* OpenGL rendering context for menus */ + SFG_MenuContext* MenuContext; /* OpenGL rendering context for menus */ - SFG_Window* GameMode; /* The game mode window */ + SFG_Window* GameModeWindow; /* The game mode window */ - int WindowID; /* The new current window ID */ - int MenuID; /* The new current menu ID */ + int WindowID; /* The new current window ID */ + int MenuID; /* The new current menu ID */ }; /* @@ -582,9 +687,7 @@ struct tagSFG_Enumerator }; typedef void (* FGCBenumerator )( SFG_Window *, SFG_Enumerator * ); -/* - * The bitmap font structure - */ +/* The bitmap font structure */ typedef struct tagSFG_Font SFG_Font; struct tagSFG_Font { @@ -596,9 +699,7 @@ struct tagSFG_Font float xorig, yorig; /* Relative origin of the character */ }; -/* - * The stroke font structures - */ +/* The stroke font structures */ typedef struct tagSFG_StrokeVertex SFG_StrokeVertex; struct tagSFG_StrokeVertex @@ -632,19 +733,13 @@ struct tagSFG_StrokeFont /* -- GLOBAL VARIABLES EXPORTS --------------------------------------------- */ -/* - * Freeglut display related stuff (initialized once per session) - */ +/* Freeglut display related stuff (initialized once per session) */ extern SFG_Display fgDisplay; -/* - * Freeglut internal structure - */ +/* Freeglut internal structure */ extern SFG_Structure fgStructure; -/* - * The current freeglut settings - */ +/* The current freeglut settings */ extern SFG_State fgState; @@ -654,7 +749,26 @@ extern SFG_State fgState; * A call to this function makes us sure that the Display and Structure * subsystems have been properly initialized and are ready to be used */ -#define freeglut_assert_ready assert( fgState.Initialised ); +#define FREEGLUT_EXIT_IF_NOT_INITIALISED( string ) \ + if ( ! fgState.Initialised ) \ + { \ + fgError ( " ERROR: Function <%s> called" \ + " without first calling 'glutInit'.", (string) ) ; \ + } + +#define FREEGLUT_INTERNAL_ERROR_EXIT_IF_NOT_INITIALISED( string ) \ + if ( ! fgState.Initialised ) \ + { \ + fgError ( " ERROR: Internal <%s> function called" \ + " without first calling 'glutInit'.", (string) ) ; \ + } + +#define FREEGLUT_INTERNAL_ERROR_EXIT( cond, string, function ) \ + if ( ! ( cond ) ) \ + { \ + fgError ( " ERROR: Internal error <%s> in function %s", \ + (string), (function) ) ; \ + } /* * Following definitions are somewhat similiar to GLib's, @@ -669,17 +783,19 @@ extern SFG_State fgState; /* * A call to those macros assures us that there is a current - * window and menu set, respectively: + * window set, respectively: */ -#define freeglut_assert_window assert( fgStructure.Window != NULL ); -#define freeglut_assert_menu assert( fgStructure.Menu != NULL ); +#define FREEGLUT_EXIT_IF_NO_WINDOW( string ) \ + if ( ! fgStructure.CurrentWindow ) \ + { \ + fgError ( " ERROR: Function <%s> called" \ + " with no current window defined.", (string) ) ; \ + } /* - * The initialize and deinitialize functions get called on glutInit() - * and glutMainLoop() end respectively. They should create/clean up + * The deinitialize function gets called on glutMainLoop() end. It should clean up * everything inside of the freeglut */ -void fgInitialize( const char* displayName ); void fgDeinitialize( void ); /* @@ -691,19 +807,16 @@ void fgDeinitialize( void ); void fgCreateStructure( void ); void fgDestroyStructure( void ); -/* - * A helper function to check if a display mode is possible to use - */ -#if TARGET_HOST_UNIX_X11 -XVisualInfo* fgChooseVisual( void ); +/* A helper function to check if a display mode is possible to use */ +#if TARGET_HOST_POSIX_X11 +GLXFBConfig* fgChooseFBConfig( void ); #endif -/* - * The window procedure for Win32 events handling - */ -#if TARGET_HOST_WIN32 +/* The window procedure for Win32 events handling */ +#if TARGET_HOST_MS_WINDOWS LRESULT CALLBACK fgWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam ); +void fgNewWGLCreateContext( SFG_Window* window ); GLboolean fgSetupPixelFormat( SFG_Window* window, GLboolean checkOnly, unsigned char layer_type ); #endif @@ -714,31 +827,50 @@ GLboolean fgSetupPixelFormat( SFG_Window* window, GLboolean checkOnly, * Defined in freeglut_structure.c, freeglut_window.c. */ SFG_Window* fgCreateWindow( SFG_Window* parent, const char* title, - int x, int y, int w, int h, + GLboolean positionUse, int x, int y, + GLboolean sizeUse, int w, int h, GLboolean gameMode, GLboolean isMenu ); void fgSetWindow ( SFG_Window *window ); void fgOpenWindow( SFG_Window* window, const char* title, - int x, int y, int w, int h, GLboolean gameMode, - GLboolean isSubWindow ); + GLboolean positionUse, int x, int y, + GLboolean sizeUse, int w, int h, + GLboolean gameMode, GLboolean isSubWindow ); void fgCloseWindow( SFG_Window* window ); void fgAddToWindowDestroyList ( SFG_Window* window ); void fgCloseWindows (); void fgDestroyWindow( SFG_Window* window ); -void fgClearCallBacks( SFG_Window *window ); -/* - * Menu creation and destruction. Defined in freeglut_structure.c - */ +/* Menu creation and destruction. Defined in freeglut_structure.c */ SFG_Menu* fgCreateMenu( FGCBMenu menuCallback ); void fgDestroyMenu( SFG_Menu* menu ); -/* - * Joystick device management functions, defined in freeglut_joystick.c - */ -void fgJoystickInit( int ident ); +/* Joystick device management functions, defined in freeglut_joystick.c */ +int fgJoystickDetect( void ); +void fgInitialiseJoysticks( void ); void fgJoystickClose( void ); void fgJoystickPollWindow( SFG_Window* window ); +/* InputDevice Initialisation and Closure */ +int fgInputDeviceDetect( void ); +void fgInitialiseInputDevices( void ); +void fgInputDeviceClose( void ); + +/* spaceball device functions, defined in freeglut_spaceball.c */ +void fgInitialiseSpaceball( void ); +void fgSpaceballClose( void ); +void fgSpaceballSetWindow( SFG_Window *window ); + +int fgHasSpaceball( void ); +int fgSpaceballNumButtons( void ); + +#if TARGET_HOST_POSIX_X11 +int fgIsSpaceballXEvent( const XEvent *ev ); +void fgSpaceballHandleXEvent( const XEvent *ev ); +#endif + +/* Setting the cursor for a given window */ +void fgSetCursor ( SFG_Window *window, int cursorID ); + /* * Helper function to enumerate through all registered windows * and one to enumerate all of a window's subwindows... @@ -779,11 +911,10 @@ SFG_Menu* fgMenuByID( int menuID ); * The menu activation and deactivation the code. This is the meat * of the menu user interface handling code... */ -void fgActivateMenu( SFG_Window* window, int button ); -void fgExecuteMenuCallback( SFG_Menu* menu ); -GLboolean fgCheckActiveMenu ( SFG_Window *window, SFG_Menu *menu ); +void fgUpdateMenuHighlight ( SFG_Menu *menu ); +GLboolean fgCheckActiveMenu ( SFG_Window *window, int button, GLboolean pressed, + int mouse_x, int mouse_y ); void fgDeactivateMenu( SFG_Window *window ); -void fgDeactivateSubMenu( SFG_MenuEntry *menuEntry ); /* * This function gets called just before the buffers swap, so that @@ -792,32 +923,36 @@ void fgDeactivateSubMenu( SFG_MenuEntry *menuEntry ); */ void fgDisplayMenu( void ); -/* - * Display the mouse cursor using OpenGL calls. The function - * is defined in freeglut_cursor.c file. - */ -void fgDisplayCursor( void ); - -/* - * Elapsed time as per glutGet(GLUT_ELAPSED_TIME). - */ +/* Elapsed time as per glutGet(GLUT_ELAPSED_TIME). */ long fgElapsedTime( void ); -/* - * List functions - */ +/* System time in milliseconds */ +long unsigned fgSystemTime(void); + +/* List functions */ void fgListInit(SFG_List *list); void fgListAppend(SFG_List *list, SFG_Node *node); void fgListRemove(SFG_List *list, SFG_Node *node); int fgListLength(SFG_List *list); void fgListInsert(SFG_List *list, SFG_Node *next, SFG_Node *node); -/* - * Error Messages functions - */ +/* Error Message functions */ void fgError( const char *fmt, ... ); void fgWarning( const char *fmt, ... ); +/* + * Check if "hint" is present in "property" for "window". See freeglut_init.c + */ +#if TARGET_HOST_POSIX_X11 +int fgHintPresent(Window window, Atom property, Atom hint); +#endif + +SFG_Proc fghGetProcAddress( const char *procName ); + +#if TARGET_HOST_MS_WINDOWS +extern void (__cdecl *__glutExitFunc)( int return_value ); +#endif + #endif /* FREEGLUT_INTERNAL_H */ /*** END OF FILE ***/