added support for typeahead in menus

1 files changed, 49 insertions, 0 deletions

diff --git a/src/FbTk/ITypeAheadable.hh b/src/FbTk/ITypeAheadable.hh
new file mode 100644
index 0000000..4a5b7cc
--- /dev/null
+++ b/src/FbTk/ITypeAheadable.hh
@@ -0,0 +1,49 @@
+// ITypeAheadable.hh for FbTk - Fluxbox Toolkit
+// Copyright (c) 2007 Fluxbox Team (fluxgen at fluxbox dot 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_ITYPEAHEADABLE_HH
+#define FBTK_ITYPEAHEADABLE_HH
+
+#include <string>
+
+namespace FbTk {
+
+// abstract base class providing access and validation
+class ITypeAheadable {
+public:
+    virtual ~ITypeAheadable() { }
+
+    virtual const std::string &iTypeString() const = 0;
+    virtual bool isEnabled() { return true; }
+    char iTypeChar(size_t i) const { return iTypeString()[i]; }
+    bool iTypeCheckStringSize(size_t sz) const {
+        return (iTypeString().size() > sz);
+    }
+    bool iTypeCompareChar(char ch, size_t sz) const {
+        return (bool)iTypeCheckStringSize(sz) &&
+               tolower(iTypeChar(sz)) == tolower(ch);
+    }
+
+};
+
+} // end namespace FbTk
+
+#endif // FBTK_ITYPEAHEADABLE_HH