SameBoy/Cocoa/GBCheatTextFieldCell.m

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2020-04-11 15:03:10 +00:00
#import "GBCheatTextFieldCell.h"
@interface GBCheatTextView : NSTextView
@property bool usesAddressFormat;
@end
@implementation GBCheatTextView
- (bool)_insertText:(NSString *)string replacementRange:(NSRange)range
{
if (range.location == NSNotFound) {
range = self.selectedRange;
}
NSString *new = [self.string stringByReplacingCharactersInRange:range withString:string];
if (!self.usesAddressFormat) {
NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern:@"^(\\$[0-9A-Fa-f]{1,2}|[0-9]{1,3})$" options:0 error:NULL];
if ([regex numberOfMatchesInString:new options:0 range:NSMakeRange(0, new.length)]) {
[super insertText:string replacementRange:range];
return true;
}
if ([regex numberOfMatchesInString:[@"$" stringByAppendingString:new] options:0 range:NSMakeRange(0, new.length + 1)]) {
[super insertText:string replacementRange:range];
[super insertText:@"$" replacementRange:NSMakeRange(0, 0)];
return true;
}
if ([new isEqualToString:@"$"] || [string length] == 0) {
self.string = @"$00";
self.selectedRange = NSMakeRange(1, 2);
return true;
}
}
else {
NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern:@"^(\\$[0-9A-Fa-f]{1,3}:)?\\$[0-9a-fA-F]{1,4}$" options:0 error:NULL];
if ([regex numberOfMatchesInString:new options:0 range:NSMakeRange(0, new.length)]) {
[super insertText:string replacementRange:range];
return true;
}
if ([string length] == 0) {
NSUInteger index = [new rangeOfString:@":"].location;
if (index != NSNotFound) {
if (range.location > index) {
self.string = [[new componentsSeparatedByString:@":"] firstObject];
self.selectedRange = NSMakeRange(self.string.length, 0);
return true;
}
self.string = [[new componentsSeparatedByString:@":"] lastObject];
self.selectedRange = NSMakeRange(0, 0);
return true;
}
else if ([[self.string substringWithRange:range] isEqualToString:@":"]) {
self.string = [[self.string componentsSeparatedByString:@":"] lastObject];
self.selectedRange = NSMakeRange(0, 0);
return true;
}
}
if ([new isEqualToString:@"$"] || [string length] == 0) {
self.string = @"$0000";
self.selectedRange = NSMakeRange(1, 4);
return true;
}
if (([string isEqualToString:@"$"] || [string isEqualToString:@":"]) && range.length == 0 && range.location == 0) {
if ([self _insertText:@"$00:" replacementRange:range]) {
self.selectedRange = NSMakeRange(1, 2);
return true;
}
}
if ([string isEqualToString:@":"] && range.length + range.location == self.string.length) {
if ([self _insertText:@":$0" replacementRange:range]) {
self.selectedRange = NSMakeRange(self.string.length - 2, 2);
return true;
}
}
if ([string isEqualToString:@"$"]) {
if ([self _insertText:@"$0" replacementRange:range]) {
self.selectedRange = NSMakeRange(range.location + 1, 1);
return true;
}
}
}
return false;
}
- (NSUndoManager *)undoManager
{
return nil;
}
- (void)insertText:(id)string replacementRange:(NSRange)replacementRange
{
if (![self _insertText:string replacementRange:replacementRange]) {
NSBeep();
}
}
/* Private API, don't tell the police! */
- (void)_userReplaceRange:(NSRange)range withString:(NSString *)string
{
[self insertText:string replacementRange:range];
}
@end
@implementation GBCheatTextFieldCell
{
bool _drawing, _editing;
GBCheatTextView *_fieldEditor;
}
- (NSTextView *)fieldEditorForView:(NSView *)controlView
{
if (_fieldEditor) {
_fieldEditor.usesAddressFormat = self.usesAddressFormat;
return _fieldEditor;
}
_fieldEditor = [[GBCheatTextView alloc] initWithFrame:controlView.frame];
_fieldEditor.fieldEditor = YES;
_fieldEditor.usesAddressFormat = self.usesAddressFormat;
return _fieldEditor;
}
@end