Dogcows Code - chaz/thecheat/blob - VariableTable.m

   1 //
   2 //  VariableTable.m
   3 //  The Cheat
   4 //
   5 //  Created by Chaz McGarvey on 12/28/04.
   6 //  Copyright 2004 Chaz McGarvey. All rights reserved.
   7 //
   8
   9 #import "VariableTable.h"
  10
  11
  12 @interface VariableTable ( PrivateAPI )
  13
  14 - (void)_setVisibleRows:(NSRange)rows;
  15
  16 @end
  17
  18
  19 @implementation VariableTable
  20
  21
  22 - (void)awakeFromNib
  23 {
  24         NSScrollView *scrollView = (NSScrollView *)[(NSClipView *)[self superview] superview];
  25         NSScroller *oldScroller = [[scrollView verticalScroller] retain];
  26
  27         TrackerScroller *scroller = [[TrackerScroller alloc] initWithFrame:[oldScroller frame]];
  28
  29         [scroller setControlSize:[oldScroller controlSize]];
  30         [scroller setFloatValue:[oldScroller floatValue] knobProportion:[oldScroller knobProportion]];
  31         [scroller setControlTint:[oldScroller controlTint]];
  32
  33         // set the new scroller
  34         [scrollView setHasVerticalScroller:NO];
  35         [scrollView setVerticalScroller:scroller];
  36         [scrollView setHasVerticalScroller:YES];
  37
  38         [scroller setDelegate:self];
  39         [scroller release];
  40         [oldScroller release];
  41
  42         /*if ( [super respondsToSelector:@selector(awakeFromNib)] ) {
  43                 [super awakeFromNib];
  44         }*/
  45 }
  46
  47
  48 - (NSRange)visibleRows
  49 {
  50         return _visibleRows;
  51 }
  52
  53 - (void)_setVisibleRows:(NSRange)rows
  54 {
  55         _visibleRows = rows;
  56 }
  57
  58
  59 - (void)reloadData
  60 {
  61         if ( _dontUpdate ) {
  62                 _updatePending = YES;
  63                 return;
  64         }
  65
  66         [super reloadData];
  67
  68         NSRange range = [self rowsInRect:[(NSClipView *)[self superview] documentVisibleRect]];
  69         id delegate = [self delegate];
  70
  71         if ( !NSEqualRanges( range, _visibleRows ) ) {
  72                 [self _setVisibleRows:range];
  73                 if ( [delegate respondsToSelector:@selector(tableView:didChangeVisibleRows:)] ) {
  74                         [delegate tableView:self didChangeVisibleRows:range];
  75                 }
  76         }
  77 }
  78
  79
  80 - (void)keyDown:(NSEvent *)theEvent
  81 {
  82         _dontUpdate = YES;
  83         [super keyDown:theEvent];
  84 }
  85
  86 - (void)keyUp:(NSEvent *)theEvent
  87 {
  88         NSRange range = [self rowsInRect:[(NSClipView *)[self superview] documentVisibleRect]];
  89         id delegate = [self delegate];
  90
  91         [super keyUp:theEvent];
  92
  93         _dontUpdate = NO;
  94
  95         if ( !NSEqualRanges( range, _visibleRows ) ) {
  96                 [self _setVisibleRows:range];
  97                 if ( [delegate respondsToSelector:@selector(tableView:didChangeVisibleRows:)] ) {
  98                         [delegate tableView:self didChangeVisibleRows:range];
  99                 }
 100         }
 101         else if ( _updatePending ) {
 102                 [self reloadData];
 103                 _updatePending = NO;
 104         }
 105 }
 106
 107 - (void)scrollerDidStartScrolling:(TrackerScroller *)scroller
 108 {
 109         _dontUpdate = YES;
 110 }
 111
 112 - (void)scrollerDidStopScrolling:(TrackerScroller *)scroller
 113 {
 114         NSRange range = [self rowsInRect:[(NSClipView *)[self superview] documentVisibleRect]];
 115         id delegate = [self delegate];
 116
 117         _dontUpdate = NO;
 118
 119         if ( !NSEqualRanges( range, _visibleRows ) ) {
 120                 [self _setVisibleRows:range];
 121                 if ( [delegate respondsToSelector:@selector(tableView:didChangeVisibleRows:)] ) {
 122                         [delegate tableView:self didChangeVisibleRows:range];
 123                 }
 124         }
 125         else if ( _updatePending ) {
 126                 [self reloadData];
 127                 _updatePending = NO;
 128         }
 129 }
 130
 131
 132 @end