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Annotation of Examples/AppKit/CalculatorLab++/SimpleCalc.h, revision 1.1.1.1

1.1       root        1: //
                      2: //     SimpleCalc -- Randy Nelson -- NeXT Developer Training
                      3: //     A general class that serves as a liaison between a calculator interface
                      4: //     and a calculator engine.
                      5: //
                      6: //  You may freely copy, distribute and reuse the code in this example.
                      7: //  NeXT disclaims any warranty of any kind, expressed or implied, as to
                      8: //  its fitness for any particular use.
                      9: //
                     10: //     Created 8-8-90
                     11: //
                     12: #import <objc/Object.h>
                     13: 
                     14: @interface SimpleCalc:Object
                     15: {
                     16:     // outlets...the front-end.
                     17:     id                         display;
                     18:     id                 enterKey;
                     19:     id                 minusKey;
                     20:     id                 infoManager;
                     21:     id                 myNXStringTable;
                     22: 
                     23:     // C++ object's can be a-part-of Objective-C objects.
                     24:     class CalcEngine   *cplus_object;  
                     25: 
                     26:     // record each previous user action
                     27:     SEL                        previousAction;
                     28: }
                     29: 
                     30: // actions.
                     31: 
                     32: - numberKeys:sender;
                     33: - decimalKey:sender;
                     34: - operationKeys:sender;
                     35: - equalsKey:sender;
                     36: - clearKey:sender;
                     37: - clearAllKey:sender;
                     38: - infoPanel:sender;
                     39: - helpPanel:sender;
                     40: 
                     41: // delegate methods.
                     42: 
                     43: - windowWillClose:sender;
                     44: - appDidInit:sender;
                     45: 
                     46: - registerAction:(SEL)action;
                     47: - appendToDisplay:(const char *)theString;
                     48: 
                     49: @end

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