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

   1
   2 /*
   3  * The Cheat - The legendary universal game trainer for Mac OS X.
   4  * http://www.brokenzipper.com/trac/wiki/TheCheat
   5  *
   6  * Copyright (c) 2003-2011, Charles McGarvey et al.
   7  *
   8  * Distributable under the terms and conditions of the 2-clause BSD
   9  * license; see the file COPYING for the legal text of the license.
  10  */
  11
  12
  13 #import "VariableTable.h"
  14
  15
  16 @interface VariableTable ( PrivateAPI )
  17
  18 - (void)_setVisibleRows:(NSRange)rows;
  19
  20 @end
  21
  22
  23 @implementation VariableTable
  24
  25
  26 - (void)awakeFromNib
  27 {
  28         NSScrollView *scrollView = (NSScrollView *)[(NSClipView *)[self superview] superview];
  29         NSScroller *oldScroller = [[scrollView verticalScroller] retain];
  30
  31         TrackerScroller *scroller = [[TrackerScroller alloc] initWithFrame:[oldScroller frame]];
  32
  33         [scroller setControlSize:[oldScroller controlSize]];
  34         [scroller setDoubleValue:[oldScroller floatValue]];
  35     [scroller setKnobProportion:[oldScroller knobProportion]];
  36         [scroller setControlTint:[oldScroller controlTint]];
  37
  38         // set the new scroller
  39         [scrollView setHasVerticalScroller:NO];
  40         [scrollView setVerticalScroller:scroller];
  41         [scrollView setHasVerticalScroller:YES];
  42
  43         [scroller setDelegate:self];
  44         [scroller release];
  45         [oldScroller release];
  46
  47         /*if ( [super respondsToSelector:@selector(awakeFromNib)] ) {
  48                 [super awakeFromNib];
  49         }*/
  50 }
  51
  52
  53 - (NSRange)visibleRows
  54 {
  55         return _visibleRows;
  56 }
  57
  58 - (void)_setVisibleRows:(NSRange)rows
  59 {
  60         _visibleRows = rows;
  61 }
  62
  63
  64 - (void)reloadData
  65 {
  66         if ( _dontUpdate ) {
  67                 _updatePending = YES;
  68                 return;
  69         }
  70
  71         [super reloadData];
  72
  73         NSRange range = [self rowsInRect:[(NSClipView *)[self superview] documentVisibleRect]];
  74         id delegate = [self delegate];
  75
  76         if ( !NSEqualRanges( range, _visibleRows ) ) {
  77                 [self _setVisibleRows:range];
  78                 if ( [delegate respondsToSelector:@selector(tableView:didChangeVisibleRows:)] ) {
  79                         [delegate tableView:self didChangeVisibleRows:range];
  80                 }
  81         }
  82 }
  83
  84
  85 - (void)keyDown:(NSEvent *)theEvent
  86 {
  87         _dontUpdate = YES;
  88         [super keyDown:theEvent];
  89 }
  90
  91 - (void)keyUp:(NSEvent *)theEvent
  92 {
  93         NSRange range = [self rowsInRect:[(NSClipView *)[self superview] documentVisibleRect]];
  94         id delegate = [self delegate];
  95
  96         [super keyUp:theEvent];
  97
  98         _dontUpdate = NO;
  99
 100         if ( !NSEqualRanges( range, _visibleRows ) ) {
 101                 [self _setVisibleRows:range];
 102                 if ( [delegate respondsToSelector:@selector(tableView:didChangeVisibleRows:)] ) {
 103                         [delegate tableView:self didChangeVisibleRows:range];
 104                 }
 105         }
 106         else if ( _updatePending ) {
 107                 [self reloadData];
 108                 _updatePending = NO;
 109         }
 110 }
 111
 112 - (void)scrollerDidStartScrolling:(TrackerScroller *)scroller
 113 {
 114         _dontUpdate = YES;
 115 }
 116
 117 - (void)scrollerDidStopScrolling:(TrackerScroller *)scroller
 118 {
 119         NSRange range = [self rowsInRect:[(NSClipView *)[self superview] documentVisibleRect]];
 120         id delegate = [self delegate];
 121
 122         _dontUpdate = NO;
 123
 124         if ( !NSEqualRanges( range, _visibleRows ) ) {
 125                 [self _setVisibleRows:range];
 126                 if ( [delegate respondsToSelector:@selector(tableView:didChangeVisibleRows:)] ) {
 127                         [delegate tableView:self didChangeVisibleRows:range];
 128                 }
 129         }
 130         else if ( _updatePending ) {
 131                 [self reloadData];
 132                 _updatePending = NO;
 133         }
 134 }
 135
 136
 137 @end