71 lines
2.5 KiB
Objective-C
71 lines
2.5 KiB
Objective-C
/*
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* PDP-8/E Simulator
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*
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* Copyright © 1994-2015 Bernhard Baehr
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*
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* NonWrappingTableView.h - NSTableView without wrap-around editing
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*
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* This file is part of PDP-8/E Simulator.
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*
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* PDP-8/E Simulator is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#import <Cocoa/Cocoa.h>
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#import "NonWrappingTableView.h"
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#import "Utilities.h"
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@implementation NonWrappingTableView
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- (void) textDidEndEditing:(NSNotification *)notification
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// Avoid editing to wrap around from last available memory location to 0 and vice versa.
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// Note the different behaviour of Tiger and Leopard:
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// http://developer.apple.com/releasenotes/Cocoa/AppKit.html#NSTableView
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{
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NSDictionary *userInfo = [notification userInfo];
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int textMovement = [[userInfo valueForKey:@"NSTextMovement"] intValue];
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int row = [self editedRow];
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int col = [self editedColumn];
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int newrow = (textMovement == NSBacktabTextMovement) ? row - 1 : row + 1;
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if (textMovement == NSTabTextMovement && runningOnLeopardOrNewer()) {
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// default behaviour on Leopard: tab to next view
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[super textDidEndEditing:notification];
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return;
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}
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if ((textMovement == NSReturnTextMovement ||
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textMovement == NSTabTextMovement || textMovement == NSBacktabTextMovement)
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&& [[self delegate] tableView:self shouldEditTableColumn:nil row:newrow])
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textMovement = (textMovement == NSBacktabTextMovement) ?
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NSUpTextMovement : NSDownTextMovement;
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else
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textMovement = NSIllegalTextMovement;
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NSMutableDictionary *newInfo = [NSMutableDictionary dictionaryWithDictionary:userInfo];
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[newInfo setObject:[NSNumber numberWithInt:textMovement] forKey:@"NSTextMovement"];
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[super textDidEndEditing:[NSNotification notificationWithName:[notification name]
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object: [notification object] userInfo:newInfo]];
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if (textMovement != NSIllegalTextMovement) {
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[self selectRowIndexes:[NSIndexSet indexSetWithIndex:newrow] byExtendingSelection:NO];
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[self editColumn:col row:newrow withEvent:nil select:YES];
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}
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}
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@end
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