VocalEasel/Sources/VLSheetViewLyrics.mm
Matthias Neeracher d32906f0bb Display lyrics
2006-12-02 03:35:21 +00:00

138 lines
2.9 KiB
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//
// VLSheetViewLyrics.mm
// Vocalese
//
// Created by Matthias Neeracher on 1/4/06.
// Copyright 2006 __MyCompanyName__. All rights reserved.
//
#import "VLSheetView.h"
#import "VLSheetViewLyrics.h"
#import "VLSheetViewInternal.h"
#import "VLModel.h"
#import "VLSoundOut.h"
@implementation VLLyricsEditable
- (VLLyricsEditable *)initWithView:(VLSheetView *)view
song:(VLSong *)song
measure:(int)measure
at:(VLFract)at
{
self = [super init];
fView = view;
fSong = song;
fMeasure= measure;
fAt = at;
[fView setNeedsDisplay: YES];
return self;
}
- (NSString *) stringValue
{
}
- (void) setStringValue:(NSString *)val
{
}
- (BOOL) validValue:(NSString *)val
{
return YES;
}
- (void) moveToNext
{
}
- (void) moveToPrev
{
}
- (void) highlightCursor
{
[fView highlightLyricsInMeasure:fMeasure at:fAt];
}
@end
@implementation VLSheetView (Lyrics)
- (void) drawLyricsForSystem:(int)system stanza:(size_t)stanza
{
static NSDictionary * sLyricsFont = nil;
if (!sLyricsFont)
sLyricsFont =
[[NSDictionary alloc] initWithObjectsAndKeys:
[NSFont fontWithName: @"Helvetica" size: 12],
NSFontAttributeName,
nil];
const VLSong * song = [self song];
const float kSystemY = [self systemY:system];
//
// Build new list
//
for (int m = 0; m<fMeasPerSystem; ++m) {
int measIdx = m+system*fMeasPerSystem;
if (measIdx >= song->CountMeasures())
break;
const VLMeasure measure = song->fMeasures[measIdx];
const VLNoteList & notes = measure.fMelody;
VLFraction at(0);
for (VLNoteList::const_iterator note = notes.begin();
note != notes.end();
++note
) {
if (note->fLyrics.size() < stanza
|| !note->fLyrics[stanza-1].fText.size()
) {
;
} else {
NSString * syll =
[NSString stringWithUTF8String:
note->fLyrics[stanza-1].fText.c_str()];
NSSize sz =
[syll sizeWithAttributes:sLyricsFont];
NSPoint syllLoc =
NSMakePoint(fClefKeyW+(m+at)*fMeasureW
+ 0.5f*(kNoteW-sz.width),
kSystemY+kLyricsY-stanza*kLyricsH);
if (note->fLyrics[stanza-1].fKind & VLSyllable::kHasNext)
syll = [syll stringByAppendingString:@" -"];
[syll drawAtPoint:syllLoc withAttributes:sLyricsFont];
}
at += note->fDuration;
}
}
}
- (void) editLyrics
{
VLEditable * e =
[[VLLyricsEditable alloc]
initWithView:self
song:[self song]
measure:fCursorMeasure
at:fCursorAt];
[self setEditTarget:e];
[fFieldEditor selectText:self];
}
- (void) highlightLyricsInMeasure:(int)measure at:(VLFraction)at stanza:(size_t)stanza
{
const VLProperties & prop = [self song]->fProperties.front();
const float kSystemY = [self systemY:measure / fMeasPerSystem];
NSRect r =
NSMakeRect([self noteXInMeasure:measure at:at]-kNoteW*0.5f,
kSystemY+kChordY, prop.fDivisions*kNoteW, kChordH);
[[NSColor colorWithCalibratedWhite:0.8f alpha:1.0f] setFill];
NSRectFillUsingOperation(r, NSCompositePlusDarker);
}
@end