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Annotation of Examples/EnterpriseObjects/SHLExamples/AccessLayer/ScrollViewExtensions.m, revision 1.1

1.1     ! root        1: 
        !             2: /* ScrollViewExtensions.m:
        !             3:  * You may freely copy, distribute, and reuse the code in this example.
        !             4:  * NeXT disclaims any warranty of any kind, expressed or  implied, as to its
        !             5:  * fitness for any particular use.
        !             6:  *
        !             7:  * A generic scrollview driver object to display/print text 
        !             8:  * Written by Jack Greenfield
        !             9:  *
        !            10:  */
        !            11: 
        !            12: #import        <objc/objc-runtime.h>
        !            13: #import "ScrollViewExtensions.h"
        !            14: 
        !            15: @implementation ScrollView(ScrollViewExtensions)
        !            16: 
        !            17: - sprintf:(const char *)format, ...
        !            18: {
        !            19:        id text;
        !            20:        int length;
        !            21:     static char buffer[65536];
        !            22:     va_list arguments;
        !            23: 
        !            24:        va_start(arguments, format);
        !            25:        vsprintf(buffer, format, arguments);
        !            26:        va_end(arguments);
        !            27:     
        !            28:        text = [self docView];
        !            29:        length = [text textLength];
        !            30:        [text setSel:length :length];
        !            31:        [text replaceSel:buffer];
        !            32:        [text scrollSelToVisible];
        !            33:     return self;
        !            34: }
        !            35: 
        !            36: - vsprintf:(const char *)format arguments:(va_list)arguments
        !            37: {
        !            38:        id text;
        !            39:        int length;
        !            40:     static char buffer[65536];
        !            41: 
        !            42:        vsprintf(buffer, format, arguments);
        !            43:        text = [self docView];
        !            44:        length = [text textLength];
        !            45:        [text setSel:length :length];
        !            46:        [text replaceSel:buffer];
        !            47:        [text scrollSelToVisible];
        !            48:     return self;
        !            49: }
        !            50: 
        !            51: - clear:sender
        !            52: {
        !            53:        id text;
        !            54:     int length;
        !            55: 
        !            56:        text = [self docView];
        !            57:        length = [text textLength];
        !            58:        [text setSel:0 :length];
        !            59:        [text replaceSel:""];
        !            60:        [text scrollSelToVisible];
        !            61:     return self;
        !            62: }
        !            63: 
        !            64: - print:sender
        !            65: {
        !            66:        [[self docView] printPSCode:sender];
        !            67:     return self;
        !            68: }
        !            69: 
        !            70: - printFrom:sender
        !            71: {
        !            72:     return [self sprintf:"%s\n", [sender stringValue]];
        !            73: }
        !            74: 
        !            75: @end

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