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Annotation of Examples/DatabaseKit/Evaluator/ScrollViewExtras.m, revision 1.1

1.1     ! root        1: /* ScrollViewExtras.m:
        !             2:  * You may freely copy, distribute, and reuse the code in this example.
        !             3:  * NeXT disclaims any warranty of any kind, expressed or  implied, as to its
        !             4:  * fitness for any particular use.
        !             5:  *
        !             6:  * A generic scrollview driver object to display/print text 
        !             7:  * Written by Jack Greenfield
        !             8:  *
        !             9:  */
        !            10: 
        !            11: #import        <objc/objc-runtime.h>
        !            12: #import "ScrollViewExtras.h"
        !            13: 
        !            14: @implementation ScrollView(ScrollViewExtras)
        !            15: 
        !            16: - sprintf:(const char *)format, ...
        !            17: {
        !            18:     int length;
        !            19:     static char buffer[65536];
        !            20:     va_list arguments;
        !            21: 
        !            22:     if ([window isVisible])
        !            23:     {
        !            24:        va_start(arguments, format);
        !            25:        vsprintf(buffer, format, arguments);
        !            26:        va_end(arguments);
        !            27:     
        !            28:        length = [[self docView] textLength];
        !            29:        [[self docView] setSel:length :length];
        !            30:        [[self docView] replaceSel:buffer];
        !            31:        [[self docView] scrollSelToVisible];
        !            32:     }
        !            33: 
        !            34:     return self;
        !            35: }
        !            36: 
        !            37: - clear:sender
        !            38: {
        !            39:     int length;
        !            40: 
        !            41:     if ([window isVisible])
        !            42:     {
        !            43:        length = [[self docView] textLength];
        !            44:        [[self docView] setSel:0 :length];
        !            45:        [[self docView] replaceSel:""];
        !            46:        [[self docView] scrollSelToVisible];
        !            47:     }
        !            48: 
        !            49:     return self;
        !            50: }
        !            51: 
        !            52: - print:sender
        !            53: {
        !            54:     if ([window isVisible])
        !            55:        [[self docView] printPSCode:sender];
        !            56: 
        !            57:     return self;
        !            58: }
        !            59: 
        !            60: - printFrom:sender
        !            61: {
        !            62:     return [self sprintf:"%s\n", [sender stringValue]];
        !            63: }
        !            64: 
        !            65: /* Window Delegate method -- constrain window resizing */
        !            66: 
        !            67: - windowWillResize:sender toSize:(NXSize *)frameSize
        !            68: {
        !            69:     if ( frameSize->height < 230 ) frameSize->height= 230;
        !            70:     return self;
        !            71: }
        !            72: 
        !            73: @end

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