--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/freeglut/src/x11/fg_internal_x11.h	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,242 @@
+/*
+ * fg_internal_x11.h
+ *
+ * The freeglut library private include file.
+ *
+ * Copyright (c) 2012 Stephen J. Baker. All Rights Reserved.
+ * Written by Diederick C. Niehorster, <dcnieho@gmail.com>
+ * Creation date: Fri Jan 20, 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.
+ */
+
+#ifndef  FREEGLUT_INTERNAL_X11_H
+#define  FREEGLUT_INTERNAL_X11_H
+
+
+/* -- PLATFORM-SPECIFIC INCLUDES ------------------------------------------- */
+#ifdef EGL_VERSION_1_0
+#include "egl/fg_internal_egl.h"
+#else
+#include <GL/glx.h>
+#include "x11/fg_internal_x11_glx.h"
+#endif
+#include <X11/Xlib.h>
+#include <X11/Xatom.h>
+#include <X11/keysym.h>
+#include <X11/extensions/XInput.h>
+#ifdef HAVE_X11_EXTENSIONS_XF86VMODE_H
+#    include <X11/extensions/xf86vmode.h>
+#endif
+#ifdef HAVE_X11_EXTENSIONS_XRANDR_H
+#    include <X11/extensions/Xrandr.h>
+#endif
+
+
+/* -- GLOBAL TYPE DEFINITIONS ---------------------------------------------- */
+/* The structure used by display initialization in fg_init.c */
+typedef struct tagSFG_PlatformDisplay SFG_PlatformDisplay;
+struct tagSFG_PlatformDisplay
+{
+    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              */
+    int             NetWMSupported;     /* Flag for EWMH Window Managers     */
+    Atom            NetWMPid;           /* The _NET_WM_PID atom              */
+    Atom            ClientMachine;      /* The client machine name atom      */
+    XIM             IM;                 /* The input method                  */
+    XIMStyle        InputStyle;         /* The input method style            */
+
+#ifdef HAVE_X11_EXTENSIONS_XRANDR_H
+    int prev_xsz, prev_ysz;
+    int prev_refresh;
+    int prev_size_valid;
+#endif	/* HAVE_X11_EXTENSIONS_XRANDR_H */
+
+#ifdef HAVE_X11_EXTENSIONS_XF86VMODE_H
+    /*
+     * XF86VidMode may be compilable even if it fails at runtime.  Therefore,
+     * the validity of the VidMode has to be tracked
+     */
+    int             DisplayModeValid;   /* Flag that indicates runtime status*/
+    XF86VidModeModeLine DisplayMode;    /* Current screen's display settings */
+    int             DisplayModeClock;   /* The display mode's refresh rate   */
+    int             DisplayViewPortX;   /* saved X location of the viewport  */
+    int             DisplayViewPortY;   /* saved Y location of the viewport  */
+#endif /* HAVE_X11_EXTENSIONS_XF86VMODE_H */
+
+#ifdef EGL_VERSION_1_0
+    struct tagSFG_PlatformDisplayEGL egl;
+#endif
+
+    int             DisplayPointerX;    /* saved X location of the pointer   */
+    int             DisplayPointerY;    /* saved Y location of the pointer   */
+};
+
+
+/*
+ * Make "freeglut" window handle and context types so that we don't need so
+ * much conditionally-compiled code later in the library.
+ */
+#ifndef EGL_VERSION_1_0
+typedef Window     SFG_WindowHandleType ;
+typedef GLXContext SFG_WindowContextType ;
+#endif
+typedef struct tagSFG_PlatformContext SFG_PlatformContext;
+struct tagSFG_PlatformContext
+{
+#ifdef EGL_VERSION_1_0
+    struct tagSFG_PlatformContextEGL egl;
+#else
+    GLXFBConfig    FBConfig;        /* The window's FBConfig               */
+#endif
+    XIC IC;                         /* The window's input context          */
+};
+
+
+/* Window's state description. This structure should be kept portable. */
+typedef struct tagSFG_PlatformWindowState SFG_PlatformWindowState;
+struct tagSFG_PlatformWindowState
+{
+    int             OldWidth;           /* Window width from before a resize */
+    int             OldHeight;          /*   "    height  "    "    "   "    */
+    GLboolean       KeyRepeating;       /* Currently in repeat mode?         */    
+};
+
+
+/* -- JOYSTICK-SPECIFIC STRUCTURES AND TYPES ------------------------------- */
+/*
+ * Initial defines from "js.h" starting around line 33 with the existing "fg_joystick.c"
+ * interspersed
+ */
+#    ifdef HAVE_SYS_IOCTL_H
+#        include <sys/ioctl.h>
+#    endif
+#    ifdef HAVE_FCNTL_H
+#        include <fcntl.h>
+#    endif
+
+#include <errno.h>
+#include <string.h>
+
+#    if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__)
+/* XXX The below hack is done until freeglut's autoconf is updated. */
+#        define HAVE_USB_JS    1
+
+#        if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
+#            include <sys/joystick.h>
+#        else
+/*
+ * XXX NetBSD/amd64 systems may find that they have to steal the
+ * XXX /usr/include/machine/joystick.h from a NetBSD/i386 system.
+ * XXX I cannot comment whether that works for the interface, but
+ * XXX it lets you compile...(^&  I do not think that we can do away
+ * XXX with this header.
+ */
+#            include <machine/joystick.h>         /* For analog joysticks */
+#        endif
+#        define JS_DATA_TYPE joystick
+#        define JS_RETURN (sizeof(struct JS_DATA_TYPE))
+#    endif
+
+#    if defined(__linux__)
+#        include <linux/joystick.h>
+
+/* check the joystick driver version */
+#        if defined(JS_VERSION) && JS_VERSION >= 0x010000
+#            define JS_NEW
+#        endif
+#    else  /* Not BSD or Linux */
+#        ifndef JS_RETURN
+
+  /*
+   * We'll put these values in and that should
+   * allow the code to at least compile when there is
+   * no support. The JS open routine should error out
+   * and shut off all the code downstream anyway and if
+   * the application doesn't use a joystick we'll be fine.
+   */
+
+  struct JS_DATA_TYPE
+  {
+    int buttons;
+    int x;
+    int y;
+  };
+
+#            define JS_RETURN (sizeof(struct JS_DATA_TYPE))
+#        endif
+#    endif
+
+/* XXX It might be better to poll the operating system for the numbers of buttons and
+ * XXX axes and then dynamically allocate the arrays.
+ */
+#    define _JS_MAX_AXES 16
+typedef struct tagSFG_PlatformJoystick SFG_PlatformJoystick;
+struct tagSFG_PlatformJoystick
+{
+#   if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__)
+       struct os_specific_s *os;
+#   endif
+
+#   ifdef JS_NEW
+       struct js_event     js;
+       int          tmp_buttons;
+       float        tmp_axes [ _JS_MAX_AXES ];
+#   else
+       struct JS_DATA_TYPE js;
+#   endif
+
+    char         fname [ 128 ];
+    int          fd;
+};
+
+
+/* Menu font and color definitions */
+#define  FREEGLUT_MENU_FONT    GLUT_BITMAP_HELVETICA_18
+
+#define  FREEGLUT_MENU_PEN_FORE_COLORS   {0.0f,  0.0f,  0.0f,  1.0f}
+#define  FREEGLUT_MENU_PEN_BACK_COLORS   {0.70f, 0.70f, 0.70f, 1.0f}
+#define  FREEGLUT_MENU_PEN_HFORE_COLORS  {0.0f,  0.0f,  0.0f,  1.0f}
+#define  FREEGLUT_MENU_PEN_HBACK_COLORS  {1.0f,  1.0f,  1.0f,  1.0f}
+
+
+
+
+/* -- PRIVATE FUNCTION DECLARATIONS ---------------------------------------- */
+/* spaceball device functions, defined in fg_spaceball.c */
+int             fgIsSpaceballXEvent( const XEvent *ev );
+void            fgSpaceballHandleXEvent( const XEvent *ev );
+
+/*
+ * Check if "hint" is present in "property" for "window".  See fg_init.c
+ */
+int             fgHintPresent(Window window, Atom property, Atom hint);
+
+/* Handler for X extension Events */
+#ifdef HAVE_X11_EXTENSIONS_XINPUT2_H
+  void          fgHandleExtensionEvents( XEvent * ev );
+  void          fgRegisterDevices( Display* dpy, Window* win );
+#endif
+
+
+#endif  /* FREEGLUT_INTERNAL_X11_H */