--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/freeglut/src/x11/fg_cursor_x11.c	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,184 @@
+/*
+ * fg_cursor_x11.c
+ *
+ * The Windows-specific mouse cursor related stuff.
+ *
+ * Copyright (c) 2012 Stephen J. Baker. All Rights Reserved.
+ * Written by John F. Fay, <fayjf@sourceforge.net>
+ * Creation date: Sun Feb 5, 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 <GL/freeglut.h>
+#include "../fg_internal.h"
+
+/* This code is for Posix/X11, Solaris, and OSX */
+#include <X11/cursorfont.h>
+
+/*
+ * A factory method for an empty cursor
+ */
+static Cursor getEmptyCursor( void )
+{
+    static Cursor cursorNone = None;
+    if( cursorNone == None ) {
+        char cursorNoneBits[ 32 ];
+        XColor dontCare;
+        Pixmap cursorNonePixmap;
+        memset( cursorNoneBits, 0, sizeof( cursorNoneBits ) );
+        memset( &dontCare, 0, sizeof( dontCare ) );
+        cursorNonePixmap = XCreateBitmapFromData ( fgDisplay.pDisplay.Display,
+                                                   fgDisplay.pDisplay.RootWindow,
+                                                   cursorNoneBits, 16, 16 );
+        if( cursorNonePixmap != None ) {
+            cursorNone = XCreatePixmapCursor( fgDisplay.pDisplay.Display,
+                                              cursorNonePixmap, cursorNonePixmap,
+                                              &dontCare, &dontCare, 0, 0 );
+            XFreePixmap( fgDisplay.pDisplay.Display, cursorNonePixmap );
+        }
+    }
+    return cursorNone;
+}
+
+typedef struct tag_cursorCacheEntry cursorCacheEntry;
+struct tag_cursorCacheEntry {
+    unsigned int cursorShape;    /* an XC_foo value */
+    Cursor cachedCursor;         /* None if the corresponding cursor has
+                                    not been created yet */
+	Display *dpy;	/* display used to allocate this cursor */
+};
+
+/*
+ * Note: The arrangement of the table below depends on the fact that
+ * the "normal" GLUT_CURSOR_* values start a 0 and are consecutive.
+ */ 
+static cursorCacheEntry cursorCache[] = {
+    { XC_arrow,               None, 0 }, /* GLUT_CURSOR_RIGHT_ARROW */
+    { XC_top_left_arrow,      None, 0 }, /* GLUT_CURSOR_LEFT_ARROW */
+    { XC_hand1,               None, 0 }, /* GLUT_CURSOR_INFO */
+    { XC_pirate,              None, 0 }, /* GLUT_CURSOR_DESTROY */
+    { XC_question_arrow,      None, 0 }, /* GLUT_CURSOR_HELP */
+    { XC_exchange,            None, 0 }, /* GLUT_CURSOR_CYCLE */
+    { XC_spraycan,            None, 0 }, /* GLUT_CURSOR_SPRAY */
+    { XC_watch,               None, 0 }, /* GLUT_CURSOR_WAIT */
+    { XC_xterm,               None, 0 }, /* GLUT_CURSOR_TEXT */
+    { XC_crosshair,           None, 0 }, /* GLUT_CURSOR_CROSSHAIR */
+    { XC_sb_v_double_arrow,   None, 0 }, /* GLUT_CURSOR_UP_DOWN */
+    { XC_sb_h_double_arrow,   None, 0 }, /* GLUT_CURSOR_LEFT_RIGHT */
+    { XC_top_side,            None, 0 }, /* GLUT_CURSOR_TOP_SIDE */
+    { XC_bottom_side,         None, 0 }, /* GLUT_CURSOR_BOTTOM_SIDE */
+    { XC_left_side,           None, 0 }, /* GLUT_CURSOR_LEFT_SIDE */
+    { XC_right_side,          None, 0 }, /* GLUT_CURSOR_RIGHT_SIDE */
+    { XC_top_left_corner,     None, 0 }, /* GLUT_CURSOR_TOP_LEFT_CORNER */
+    { XC_top_right_corner,    None, 0 }, /* GLUT_CURSOR_TOP_RIGHT_CORNER */
+    { XC_bottom_right_corner, None, 0 }, /* GLUT_CURSOR_BOTTOM_RIGHT_CORNER */
+    { XC_bottom_left_corner,  None, 0 }  /* GLUT_CURSOR_BOTTOM_LEFT_CORNER */
+};
+
+void fgPlatformSetCursor ( SFG_Window *window, int cursorID )
+{
+    Cursor cursor;
+    /*
+     * XXX FULL_CROSSHAIR demotes to plain CROSSHAIR. Old GLUT allows
+     * for this, but if there is a system that easily supports a full-
+     * window (or full-screen) crosshair, we might consider it.
+     */
+    int cursorIDToUse =
+        ( cursorID == GLUT_CURSOR_FULL_CROSSHAIR ) ? GLUT_CURSOR_CROSSHAIR : cursorID;
+
+    if( ( cursorIDToUse >= 0 ) &&
+        ( cursorIDToUse < sizeof( cursorCache ) / sizeof( cursorCache[0] ) ) ) {
+        cursorCacheEntry *entry = &cursorCache[ cursorIDToUse ];
+
+		/* the second clause forces an invalidation of the cached cursor, if it was
+		 * created through a different display connection.
+		 * This can only happen, in the extremely rare case where the user program calls the
+		 * freeglut extension glutLeaveMainLoop, and then re-initializes freeglut and
+		 * starts over.
+		 */
+        if( entry->cachedCursor == None || entry->dpy != fgDisplay.pDisplay.Display ) {
+            entry->cachedCursor =
+                XCreateFontCursor( fgDisplay.pDisplay.Display, entry->cursorShape );
+			entry->dpy = fgDisplay.pDisplay.Display;
+		}
+        cursor = entry->cachedCursor;
+    } else {
+        switch( cursorIDToUse )
+        {
+        case GLUT_CURSOR_NONE:
+            cursor = getEmptyCursor( );
+            break;
+
+        case GLUT_CURSOR_INHERIT:
+            cursor = None;
+            break;
+
+        default:
+            fgError( "Unknown cursor type: %d", cursorIDToUse );
+            return;
+        }
+    }
+
+    if ( cursorIDToUse == GLUT_CURSOR_INHERIT ) {
+        XUndefineCursor( fgDisplay.pDisplay.Display, window->Window.Handle );
+    } else if ( cursor != None ) {
+        XDefineCursor( fgDisplay.pDisplay.Display, window->Window.Handle, cursor );
+    } else if ( cursorIDToUse != GLUT_CURSOR_NONE ) {
+        fgError( "Failed to create cursor" );
+    }
+}
+
+
+void fgPlatformWarpPointer ( int x, int y )
+{
+    XWarpPointer(
+        fgDisplay.pDisplay.Display,
+        None,
+        fgStructure.CurrentWindow->Window.Handle,
+        0, 0, 0, 0,
+        x, y
+    );
+    /* Make the warp visible immediately. */
+    XFlush( fgDisplay.pDisplay.Display );
+}
+
+void fghPlatformGetCursorPos(const SFG_Window *window, GLboolean client, SFG_XYUse *mouse_pos)
+{
+    /* Get current pointer location in screen coordinates (if client is false or window is NULL), else
+     * Get current pointer location relative to top-left of client area of window (if client is true and window is not NULL)
+     */
+    Window w = (client && window && window->Window.Handle)? window->Window.Handle: fgDisplay.pDisplay.RootWindow;
+    Window junk_window;
+    unsigned int junk_mask;
+    int clientX, clientY;
+
+    XQueryPointer(fgDisplay.pDisplay.Display, w,
+            &junk_window, &junk_window,
+            &mouse_pos->X, &mouse_pos->Y, /* Screen coords relative to root window's top-left */
+            &clientX, &clientY,           /* Client coords relative to window's top-left */
+            &junk_mask);
+
+    if (client && window && window->Window.Handle)
+    {
+        mouse_pos->X = clientX;
+        mouse_pos->Y = clientY;
+    }
+
+    mouse_pos->Use = GL_TRUE;
+}