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 setFloatValue:[oldScroller floatValue] knobProportion:[oldScroller knobProportion]];
  35         [scroller setControlTint:[oldScroller controlTint]];
  36
  37         // set the new scroller
  38         [scrollView setHasVerticalScroller:NO];
  39         [scrollView setVerticalScroller:scroller];
  40         [scrollView setHasVerticalScroller:YES];
  41
  42         [scroller setDelegate:self];
  43         [scroller release];
  44         [oldScroller release];
  45
  46         /*if ( [super respondsToSelector:@selector(awakeFromNib)] ) {
  47                 [super awakeFromNib];
  48         }*/
  49 }
  50
  51
  52 - (NSRange)visibleRows
  53 {
  54         return _visibleRows;
  55 }
  56
  57 - (void)_setVisibleRows:(NSRange)rows
  58 {
  59         _visibleRows = rows;
  60 }
  61
  62
  63 - (void)reloadData
  64 {
  65         if ( _dontUpdate ) {
  66                 _updatePending = YES;
  67                 return;
  68         }
  69
  70         [super reloadData];
  71
  72         NSRange range = [self rowsInRect:[(NSClipView *)[self superview] documentVisibleRect]];
  73         id delegate = [self delegate];
  74
  75         if ( !NSEqualRanges( range, _visibleRows ) ) {
  76                 [self _setVisibleRows:range];
  77                 if ( [delegate respondsToSelector:@selector(tableView:didChangeVisibleRows:)] ) {
  78                         [delegate tableView:self didChangeVisibleRows:range];
  79                 }
  80         }
  81 }
  82
  83
  84 - (void)keyDown:(NSEvent *)theEvent
  85 {
  86         _dontUpdate = YES;
  87         [super keyDown:theEvent];
  88 }
  89
  90 - (void)keyUp:(NSEvent *)theEvent
  91 {
  92         NSRange range = [self rowsInRect:[(NSClipView *)[self superview] documentVisibleRect]];
  93         id delegate = [self delegate];
  94
  95         [super keyUp:theEvent];
  96
  97         _dontUpdate = NO;
  98
  99         if ( !NSEqualRanges( range, _visibleRows ) ) {
 100                 [self _setVisibleRows:range];
 101                 if ( [delegate respondsToSelector:@selector(tableView:didChangeVisibleRows:)] ) {
 102                         [delegate tableView:self didChangeVisibleRows:range];
 103                 }
 104         }
 105         else if ( _updatePending ) {
 106                 [self reloadData];
 107                 _updatePending = NO;
 108         }
 109 }
 110
 111 - (void)scrollerDidStartScrolling:(TrackerScroller *)scroller
 112 {
 113         _dontUpdate = YES;
 114 }
 115
 116 - (void)scrollerDidStopScrolling:(TrackerScroller *)scroller
 117 {
 118         NSRange range = [self rowsInRect:[(NSClipView *)[self superview] documentVisibleRect]];
 119         id delegate = [self delegate];
 120
 121         _dontUpdate = NO;
 122
 123         if ( !NSEqualRanges( range, _visibleRows ) ) {
 124                 [self _setVisibleRows:range];
 125                 if ( [delegate respondsToSelector:@selector(tableView:didChangeVisibleRows:)] ) {
 126                         [delegate tableView:self didChangeVisibleRows:range];
 127                 }
 128         }
 129         else if ( _updatePending ) {
 130                 [self reloadData];
 131                 _updatePending = NO;
 132         }
 133 }
 134
 135
 136 @end