mirror of
https://github.com/nickshanks/ResKnife.git
synced 2024-07-04 08:29:30 +00:00
146 lines
4.9 KiB
Objective-C
146 lines
4.9 KiB
Objective-C
#import "HexEditorDelegate.h"
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#import "HexWindowController.h"
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#import "HexTextView.h"
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@implementation HexEditorDelegate
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- (id)init
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{
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self = [super init];
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if(!self) return nil;
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editedLow = NO;
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return self;
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}
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- (void)awakeFromNib
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{
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// - MOVED TO HEX WINDOW CONTROLLER DUE TO BUG IN IB MEANING OFFSET, HEX AND ASCII AREN'T SET AT THIS TIME
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// notify me when a view scrolls so I can update the other two
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// [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(viewDidScroll:) name:NSViewBoundsDidChangeNotification object:[[offset enclosingScrollView] contentView]];
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// [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(viewDidScroll:) name:NSViewBoundsDidChangeNotification object:[[hex enclosingScrollView] contentView]];
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// [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(viewDidScroll:) name:NSViewBoundsDidChangeNotification object:[[ascii enclosingScrollView] contentView]];
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}
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/* REMOVE THESE WHEN I.B. IS FIXED */
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- (void)setHex:(id)newView
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{
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hex = newView;
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}
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- (void)setAscii:(id)newView
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{
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ascii = newView;
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}
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/* END REMOVE MARKER */
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/* data re-representation methods */
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- (NSString *)offsetRepresentation:(NSData *)data
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{
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int dataLength = [data length], bytesPerRow = [controller bytesPerRow];
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int rows = (dataLength / bytesPerRow) + ((dataLength % bytesPerRow)? 1:0);
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NSMutableString *representation = [NSMutableString string];
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int row;
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for( row = 0; row < rows; row++ )
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[representation appendFormat:@"%08lX:", row * bytesPerRow];
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return representation;
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}
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/* delegation methods */
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- (void)viewDidScroll:(NSNotification *)notification
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{
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// get object refs for increased speed
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NSClipView *object = (NSClipView *) [notification object];
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NSClipView *offsetClip = [[offset enclosingScrollView] contentView];
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NSClipView *hexClip = [[hex enclosingScrollView] contentView];
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NSClipView *asciiClip = [[ascii enclosingScrollView] contentView];
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// remove observer to stop myself from receiving bounds changed notifications (n.b. -setPostsBoundsChangedNotifications: only suspends them temporarilly - you get a unified bounds changed notification upon enabling it again and is designed for live resizing and such, so of no use here)
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[[NSNotificationCenter defaultCenter] removeObserver:self name:NSViewBoundsDidChangeNotification object:nil];
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// when a view scrolls, update the other two
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if( object != offsetClip ) [offsetClip setBoundsOrigin:[object bounds].origin];
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if( object != hexClip ) [hexClip setBoundsOrigin:[object bounds].origin];
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if( object != asciiClip ) [asciiClip setBoundsOrigin:[object bounds].origin];
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// restore notifications
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[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(viewDidScroll:) name:NSViewBoundsDidChangeNotification object:offsetClip];
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[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(viewDidScroll:) name:NSViewBoundsDidChangeNotification object:hexClip];
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[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(viewDidScroll:) name:NSViewBoundsDidChangeNotification object:asciiClip];
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}
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- (NSRange)textView:(NSTextView *)textView willChangeSelectionFromCharacterRange:(NSRange)oldSelectedCharRange toCharacterRange:(NSRange)newSelectedCharRange
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{
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NSRange hexRange, asciiRange, byteRange = NSMakeRange(0,0);
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// temporarilly removing the delegate stops this function being called recursivly!
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id oldDelegate = [hex delegate];
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[hex setDelegate:nil];
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[ascii setDelegate:nil];
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if( textView == hex ) // we're selecting hexadecimal
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{
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byteRange = [HexWindowController byteRangeFromHexRange:newSelectedCharRange];
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asciiRange = [HexWindowController asciiRangeFromByteRange:byteRange];
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[ascii setSelectedRange:asciiRange];
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}
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else if( textView == ascii ) // we're selecting ASCII
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{
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byteRange = [HexWindowController byteRangeFromAsciiRange:newSelectedCharRange];
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hexRange = [HexWindowController hexRangeFromByteRange:byteRange];
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[hex setSelectedRange:hexRange];
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}
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// put the new selection into the message bar
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[message setStringValue:[NSString stringWithFormat:@"Current selection: %@", NSStringFromRange(byteRange)]];
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// restore delegates
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[hex setDelegate:oldDelegate];
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[ascii setDelegate:oldDelegate];
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return newSelectedCharRange;
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}
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- (HexWindowController *)controller
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{
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return controller;
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}
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- (NSTextView *)hex
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{
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return hex;
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}
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- (NSTextView *)ascii
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{
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return ascii;
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}
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- (BOOL)editedLow
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{
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return editedLow;
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}
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- (void)setEditedLow:(BOOL)flag
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{
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editedLow = flag;
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}
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- (NSRange)rangeForUserTextChange
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{
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// if editing hex, convert hex selection to byte selection
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if( [[controller window] firstResponder] == hex )
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rangeForUserTextChange = [HexWindowController byteRangeFromHexRange:[hex rangeForUserTextChange]];
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// if editing ascii, convert ascii selection to byte selection
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else if( [[controller window] firstResponder] == ascii )
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rangeForUserTextChange = [HexWindowController byteRangeFromAsciiRange:[ascii rangeForUserTextChange]];
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return rangeForUserTextChange;
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}
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@end |