added FbTk::Util::clamp() and simplified related code

1 files changed, 43 insertions, 0 deletions

diff --git a/src/FbTk/Util.hh b/src/FbTk/Util.hh
new file mode 100644
index 0000000..5e5a986
--- /dev/null
+++ b/src/FbTk/Util.hh
@@ -0,0 +1,43 @@
+// Util.hh for fluxbox 
+// Copyright (c) 2010 Mathias Gumz (akira at fluxbox org)
+// 
+// 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 FBTK_UTIL_HH
+#define FBTK_UTIL_HH
+
+namespace FbTk {
+
+namespace Util {
+
+template<typename T>
+inline T clamp(const T& value, const T& lower, const T& upper) {
+    if (value < lower)
+        return lower;
+    else if (value > upper)
+        return upper;
+    return value;
+}
+
+} // end namespace Util
+
+} // end namespace FbTk
+
+
+#endif // FBTK_UTIL_HH