--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/freeglut/src/x11/fg_state_x11.c	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,251 @@
+/*
+ * fg_state_x11.c
+ *
+ * X11-specific freeglut state query methods.
+ *
+ * Copyright (c) 2012 Stephen J. Baker. All Rights Reserved.
+ * Written by John F. Fay, <fayjf@sourceforge.net>
+ * Creation date: Sat Feb 4 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"
+#ifdef EGL_VERSION_1_0
+#include "egl/fg_state_egl.h"
+#else
+#include "x11/fg_state_x11_glx.h"
+#endif
+
+int fgPlatformGlutDeviceGet ( GLenum eWhat )
+{
+    switch( eWhat )
+    {
+    case GLUT_HAS_KEYBOARD:
+        /*
+         * 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.
+         */
+        return 1;
+
+    /* X11 has a mouse by definition */
+    case GLUT_HAS_MOUSE:
+        return 1 ;
+
+    case GLUT_NUM_MOUSE_BUTTONS:
+        /* We should be able to pass NULL when the last argument is zero,
+         * but at least one X server has a bug where this causes a segfault.
+         *
+         * In XFree86/Xorg servers, a mouse wheel is seen as two buttons
+         * rather than an Axis; "fg_main.c" expects this when
+         * checking for a wheel event.
+         */
+        {
+            unsigned char map;
+            int nbuttons = XGetPointerMapping(fgDisplay.pDisplay.Display, &map,0);
+            return nbuttons;
+        }
+
+    default:
+        fgWarning( "glutDeviceGet(): missing enum handle %d", eWhat );
+        break;
+    }
+
+    /* And now -- the failure. */
+    return -1;
+}
+
+
+int fgPlatformGlutGet ( GLenum eWhat )
+{
+    switch( eWhat )
+    {
+
+    /*
+     * Those calls are somewhat similar, as they use XGetWindowAttributes()
+     * function
+     */
+    case GLUT_WINDOW_X:
+    case GLUT_WINDOW_Y:
+    {
+        int x, y;
+        Window p,w;
+
+        if( fgStructure.CurrentWindow == NULL )
+            return 0;
+
+        if (fgStructure.CurrentWindow->Parent)
+            /* For child window, we should return relative to upper-left
+             * of parent's client area.
+             */
+            p = fgStructure.CurrentWindow->Parent->Window.Handle;
+        else
+            p = fgDisplay.pDisplay.RootWindow;
+            
+        XTranslateCoordinates(
+            fgDisplay.pDisplay.Display,
+            fgStructure.CurrentWindow->Window.Handle,
+            p,
+            0, 0, &x, &y, &w);
+
+        switch ( eWhat )
+        {
+        case GLUT_WINDOW_X: return x;
+        case GLUT_WINDOW_Y: return y;
+        }
+    }
+    
+    case GLUT_WINDOW_BORDER_WIDTH:
+    case GLUT_WINDOW_HEADER_HEIGHT:
+    {
+        Atom actual_type, net_extents;
+        int actual_format;
+        unsigned long nitems, bytes_after;
+        unsigned char *data = NULL;
+        int result, top, left;
+        
+        if (fgStructure.CurrentWindow == NULL || fgStructure.CurrentWindow->Parent)
+            /* can't get widths/heights if no current window
+             * and child windows don't have borders */
+            return 0;
+        
+        /* try to get through _NET_FRAME_EXTENTS */
+        net_extents = XInternAtom(fgDisplay.pDisplay.Display, "_NET_FRAME_EXTENTS", False);
+        
+        result = XGetWindowProperty(
+            fgDisplay.pDisplay.Display, fgStructure.CurrentWindow->Window.Handle, net_extents,
+            0, 4, False, AnyPropertyType, 
+            &actual_type, &actual_format, 
+            &nitems, &bytes_after, &data);
+
+        if (result == Success && nitems == 4 && bytes_after == 0)
+            /* got the data we expected, here's to hoping that
+             * _NET_FRAME_EXTENTS is supported and the data
+             * contain sensible values */
+        {
+            long *extents = (long *)data;
+            left = (int) extents[0]; /* we take left as border width, consistent with old logic. bottom and right better be the same... */
+            top  = (int) extents[2];
+        }
+        else
+        {
+            /* try in the previous way as fall-back */
+            Window w;
+            int x,y;
+            
+            XTranslateCoordinates(
+                fgDisplay.pDisplay.Display,
+                fgStructure.CurrentWindow->Window.Handle,
+                fgDisplay.pDisplay.RootWindow,
+                0, 0, &x, &y, &w);
+            
+            if (w == 0)
+                /* logic below needs w */
+                return 0;
+            
+            XTranslateCoordinates(
+                fgDisplay.pDisplay.Display,
+                fgStructure.CurrentWindow->Window.Handle,
+                w, 0, 0, &x, &y, &w);  
+            
+            left = x;
+            top  = y;
+        }
+        if (result == Success)
+            XFree(data);
+
+        switch ( eWhat )
+        {
+        case GLUT_WINDOW_BORDER_WIDTH:  return left;
+        case GLUT_WINDOW_HEADER_HEIGHT: return top;
+        }
+    }
+
+    case GLUT_WINDOW_WIDTH:
+    case GLUT_WINDOW_HEIGHT:
+    {
+        XWindowAttributes winAttributes;
+
+        if( fgStructure.CurrentWindow == NULL )
+            return 0;
+        XGetWindowAttributes(
+            fgDisplay.pDisplay.Display,
+            fgStructure.CurrentWindow->Window.Handle,
+            &winAttributes
+        );
+        switch ( eWhat )
+        {
+        case GLUT_WINDOW_WIDTH:            return winAttributes.width ;
+        case GLUT_WINDOW_HEIGHT:           return winAttributes.height ;
+        }
+    }
+    
+    /* Colormap size is handled in a bit different way than all the rest */
+    case GLUT_WINDOW_COLORMAP_SIZE:
+        if(
+#ifndef EGL_VERSION_1_0
+	   fgPlatformGetConfig( GLX_RGBA ) ||
+#endif
+	   fgStructure.CurrentWindow == NULL)
+        {
+            /*
+             * We've got a RGBA visual, so there is no colormap at all.
+             * The other possibility is that we have no current window set.
+             */
+            return 0;
+        }
+        else
+        {
+          XVisualInfo * visualInfo;
+		  int result;
+#ifdef EGL_VERSION_1_0
+	  EGLint vid = 0;
+	  XVisualInfo visualTemplate;
+	  int num_visuals;
+	  if (!eglGetConfigAttrib(fgDisplay.pDisplay.egl.Display,
+				  fgStructure.CurrentWindow->Window.pContext.egl.Config,
+				  EGL_NATIVE_VISUAL_ID, &vid))
+	    fgError("eglGetConfigAttrib(EGL_NATIVE_VISUAL_ID) failed");
+	  visualTemplate.visualid = vid;
+	  visualInfo = XGetVisualInfo(fgDisplay.pDisplay.Display, VisualIDMask, &visualTemplate, &num_visuals);
+#else
+	  {
+          const GLXFBConfig fbconfig =
+                fgStructure.CurrentWindow->Window.pContext.FBConfig;
+
+          visualInfo =
+                glXGetVisualFromFBConfig( fgDisplay.pDisplay.Display, fbconfig );
+	  }
+#endif
+          result = visualInfo->visual->map_entries;
+
+          XFree(visualInfo);
+
+          return result;
+        }
+
+    default:
+#ifdef EGL_VERSION_1_0
+      return fghPlatformGlutGetEGL(eWhat);
+#else
+      return fghPlatformGlutGetGLX(eWhat);
+#endif
+    }
+}