hotkeys.hxx

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//  ==================================================================== //
//                                                                       //
//    File      : hotkeys.hxx                                            //
//    Purpose   : auto-generated mnemonics for user masks                //
//                                                                       //
//  Coded by Ralf Westram (coder@reallysoft.de) in August 2001           //
//  Copyright Department of Microbiology (Technical University Munich)   //
//                                                                       //
//  Visit our web site at: http://www.arb-home.de/                       //
//                                                                       //
//  ==================================================================== //

#ifndef HOTKEYS_HXX
#define HOTKEYS_HXX

#ifndef _GLIBCXX_STRING
#include <string>
#endif
#ifndef ARBTOOLS_H
#include <arbtools.h>
#endif

//  --------------------------
//      class awt_hotkeys
//  --------------------------
// this class automatically creates hotkeys from strings
// use one instance for one set of hotkeys
class awt_hotkeys : virtual Noncopyable {
private:
    bool used[26];
    bool USED[26];
    char artificial;
    char current[2];

public:
    awt_hotkeys() {
        for (int i = 0; i<26; ++i) {
            USED[i] = used[i] = false;
        }
        artificial  = '0';
        current[0] = current[1] = 0;
    }
    virtual ~awt_hotkeys() {}

    // return a unique hotkey (returns an empty string if no hotkey left)
    const char* artificial_hotkey();
    // return a unique hotkey for label (uses one character from label if possible)
    const char* hotkey(const std::string& label);
};



#else
#error hotkeys.hxx included twice
#endif // HOTKEYS_HXX