trunk/Classes/PianoRollRulerView.m

//
//  PianoRollRulerView.m
//
/*
    Copyright (c) 2000-2016 Toshi Nagata. All rights reserved.

 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation version 2 of the License.
 
 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 */

#import "PianoRollRulerView.h"
#import "MDHeaders.h"
#import "NSWindowControllerAdditions.h"  //  For sharedLayoutManager

@implementation PianoRollRulerView

- (void)dealloc
{
        [labels release];
        [super dealloc];
}

- (void)recalcLabels
{
        int index, n;
        [labels release];
        labels = [[NSMutableArray allocWithZone: [self zone]] initWithCapacity: 37];
        for (index = -17; index <= +19; index++) {
                char name[8];
                n = MDEventStaffIndexToNoteNumber(index);
                MDEventNoteNumberToNoteName(n, name);
        /*      [labels addObject:
                        [[[NSCell allocWithZone: [self zone]]
                                initTextCell: [NSString stringWithCString: name]] autorelease]]; */
        [labels addObject: [NSString stringWithUTF8String: name]];
        }
}

- (void)drawRect:(NSRect)aRect
{
//      NSCell *cell;
        NSRect rect;
        float scale;
        NSPoint pt;
        int n, index;
        if (labels == nil)
                [self recalcLabels];
        rect = [self bounds];
        pt = NSMakePoint(rect.origin.x + rect.size.width - 0.5f, rect.origin.y);
        [NSBezierPath strokeLineFromPoint: pt toPoint: NSMakePoint(pt.x, pt.y + rect.size.height)];
//      rect.size.height = 0.0;
        rect.origin.x = rect.origin.x + rect.size.width - 32.0f;
    rect.size.height = [[NSWindowController sharedLayoutManager] defaultLineHeightForFont:[GraphicRulerView rulerLabelFont]];
        rect.size.width = 32.0f;
        scale = [(GraphicClientView *)[self clientView] yScale];
        for (index = -17; index <= +19; index++) {
                n = MDEventStaffIndexToNoteNumber(index);
                if (n < 0 || n >= 128)
                        continue;
        pt = [self convertPoint: NSMakePoint(0, n * scale) fromView: clientView];
        rect.origin.y = pt.y - rect.size.height * 0.2f;
        if (NSIntersectsRect(rect, aRect)) {
            [[labels objectAtIndex: index + 17] drawAtPoint: rect.origin withAttributes: nil];
        }
/*              cell = (NSCell *)[labels objectAtIndex: index + 17];
                if (rect.size.height == 0.0) {
                        rect.size.height = [[NSWindowManager sharedLayoutManager] defaultLineHeightForFont:[cell font]];
                        rect.origin.y = -rect.size.height * 2;
                }
                pt = [self convertPoint: NSMakePoint(0, n * scale) fromView: clientView];
                pt.y -= rect.size.height * 0.5;
                if (rect.origin.y + rect.size.height <= pt.y) {
                        rect.origin.y = pt.y;
                        [[cell stringValue] drawAtPoint: rect.origin withAttributes: nil];
                //      [cell drawInteriorWithFrame: rect inView: self];
                } */
        }
        [super drawRect:aRect];

/*      [[[self clientView] dataSource] setInfoText:
                [NSString stringWithFormat: @"frame %@, bounds %@, client: frame %@, bounds %@",
                        NSStringFromRect([[self superview] frame]),
                        NSStringFromRect([[self superview] bounds]),
                        NSStringFromRect([[[self clientView] superview] frame]),
                        NSStringFromRect([[[self clientView] superview] bounds])
                        ]]; */
}

@end