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diff --git a/vncviewer/fltk/layout.h b/vncviewer/fltk/layout.h
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+/* Copyright 2011 Pierre Ossman <ossman@cendio.se> for Cendio AB
+ * 
+ * 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 THE AUTHORS OR COPYRIGHT HOLDERS
+ * 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 __FLTK_LAYOUT_H__
+#define __FLTK_LAYOUT_H__
+
+#include <FL/fl_draw.H>
+
+/* Calculates the width of a string as printed by FLTK (pixels) */
+static inline int gui_str_len(const char *str)
+{
+    float len;
+
+    fl_font(FL_HELVETICA, FL_NORMAL_SIZE);
+
+    len = fl_width(str);
+
+    return (int)(len + 0.5f);
+}
+
+/**** MARGINS ****/
+
+#define OUTER_MARGIN            15
+#define INNER_MARGIN            10
+
+/* Tighter grouping of related fields */
+#define TIGHT_MARGIN            5
+
+/**** ADJUSTMENTS ****/
+#define INDENT                  10
+
+/**** FLTK WIDGETS ****/
+
+/* Fl_Input */
+#define INPUT_LABEL_OFFSET      FL_NORMAL_SIZE
+#define INPUT_HEIGHT            25
+
+/* Fl_Button */
+#define BUTTON_WIDTH            115
+#define BUTTON_HEIGHT           27
+
+/* Fl_Round_Button (padding + focus draw bug) */
+#define RADIO_MIN_WIDTH         (FL_NORMAL_SIZE + 4 + 1)
+#define RADIO_HEIGHT            (FL_NORMAL_SIZE + 4 + 1)
+
+/* Fl_Check_Button */
+#define CHECK_MIN_WIDTH         RADIO_MIN_WIDTH
+#define CHECK_HEIGHT            RADIO_HEIGHT
+
+/* Fl_Choice */
+
+#define CHOICE_HEIGHT           INPUT_HEIGHT
+
+/* Fl_Group */
+#define GROUP_LABEL_OFFSET      FL_NORMAL_SIZE
+
+/**** HELPERS FOR DYNAMIC TEXT ****/
+
+/* Extra space to add after any text line */
+#define TEXT_PADDING            2
+
+/* Use this when the text extends to the right (e.g. checkboxes) */
+#define LBLRIGHT(x, y, w, h, str) \
+    (x), (y), (w) + gui_str_len(str) + TEXT_PADDING, (h), (str)
+
+/* Use this when the space for the label is taken from the left (e.g. input) */
+#define LBLLEFT(x, y, w, h, str) \
+    (x) + (gui_str_len(str) + TEXT_PADDING), (y), \
+    (w) - (gui_str_len(str) + TEXT_PADDING), (h), (str)
+
+#endif