Index: uspace/lib/display/src/wndresize.c
===================================================================
--- uspace/lib/display/src/wndresize.c	(revision bc492d58e31efe00937971d94404811b78f0fb51)
+++ uspace/lib/display/src/wndresize.c	(revision bc492d58e31efe00937971d94404811b78f0fb51)
@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2020 Jiri Svoboda
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <assert.h>
+#include <display/wndresize.h>
+#include <stdbool.h>
+
+/** Get stock cursor to use for the specified window resize type.
+ *
+ * The resize type must be valid, otherwise behavior is undefined.
+ * Resize type can be validated using @c display_wndrsz_valid().
+ *
+ * @param rsztype Resize type
+ * @return Cursor to use for this resize type
+ */
+display_stock_cursor_t display_cursor_from_wrsz(display_wnd_rsztype_t rsztype)
+{
+	switch (rsztype) {
+	case display_wr_top:
+	case display_wr_bottom:
+		return dcurs_size_ud;
+
+	case display_wr_left:
+	case display_wr_right:
+		return dcurs_size_lr;
+
+	case display_wr_top_left:
+	case display_wr_bottom_right:
+		return dcurs_size_uldr;
+
+	case display_wr_top_right:
+	case display_wr_bottom_left:
+		return dcurs_size_urdl;
+
+	default:
+		assert(false);
+		return dcurs_arrow;
+	}
+}
+
+/** Determine if resize type is valid.
+ *
+ * Determine if the resize type has one of the valid values. This function
+ * should be used when the resize type comes from an untrusted source
+ * (such as from the client).
+ *
+ * @param rsztype Resize type
+ * @return @c true iff the resize type is valid
+ */
+bool display_wndrsz_valid(display_wnd_rsztype_t rsztype)
+{
+	bool valid;
+
+	valid = false;
+
+	switch (rsztype) {
+	case display_wr_top:
+	case display_wr_bottom:
+	case display_wr_left:
+	case display_wr_right:
+	case display_wr_top_left:
+	case display_wr_bottom_right:
+	case display_wr_top_right:
+	case display_wr_bottom_left:
+		valid = true;
+		break;
+	}
+
+	return valid;
+}
+
+/** @}
+ */