+#if TARGET_HOST_POSIX_X11
+/*
+ * 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.Display,
+ fgDisplay.RootWindow,
+ cursorNoneBits, 16, 16 );
+ if( cursorNonePixmap != None ) {
+ cursorNone = XCreatePixmapCursor( fgDisplay.Display,
+ cursorNonePixmap, cursorNonePixmap,
+ &dontCare, &dontCare, 0, 0 );
+ XFreePixmap( fgDisplay.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 */
+};
+
+/*
+ * 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 }, /* GLUT_CURSOR_RIGHT_ARROW */
+ { XC_top_left_arrow, None }, /* GLUT_CURSOR_LEFT_ARROW */
+ { XC_hand1, None }, /* GLUT_CURSOR_INFO */
+ { XC_pirate, None }, /* GLUT_CURSOR_DESTROY */
+ { XC_question_arrow, None }, /* GLUT_CURSOR_HELP */
+ { XC_exchange, None }, /* GLUT_CURSOR_CYCLE */
+ { XC_spraycan, None }, /* GLUT_CURSOR_SPRAY */
+ { XC_watch, None }, /* GLUT_CURSOR_WAIT */
+ { XC_xterm, None }, /* GLUT_CURSOR_TEXT */
+ { XC_crosshair, None }, /* GLUT_CURSOR_CROSSHAIR */
+ { XC_sb_v_double_arrow, None }, /* GLUT_CURSOR_UP_DOWN */
+ { XC_sb_h_double_arrow, None }, /* GLUT_CURSOR_LEFT_RIGHT */
+ { XC_top_side, None }, /* GLUT_CURSOR_TOP_SIDE */
+ { XC_bottom_side, None }, /* GLUT_CURSOR_BOTTOM_SIDE */
+ { XC_left_side, None }, /* GLUT_CURSOR_LEFT_SIDE */
+ { XC_right_side, None }, /* GLUT_CURSOR_RIGHT_SIDE */
+ { XC_top_left_corner, None }, /* GLUT_CURSOR_TOP_LEFT_CORNER */
+ { XC_top_right_corner, None }, /* GLUT_CURSOR_TOP_RIGHT_CORNER */
+ { XC_bottom_right_corner, None }, /* GLUT_CURSOR_BOTTOM_RIGHT_CORNER */
+ { XC_bottom_left_corner, None } /* GLUT_CURSOR_BOTTOM_LEFT_CORNER */
+};
+#endif
+
+/* -- INTERNAL FUNCTIONS ---------------------------------------------------- */