trunk/Classes/QuantizePanelController.m

//
//  QuantizePanelController.m
//  Alchemusica
//
//  Created by Toshi Nagata on 12/01/14.
//  Copyright 2012 __MyCompanyName__. All rights reserved.
//

#import "QuantizePanelController.h"
#import "MyAppController.h"

NSString
*QuantizeNoteKey = @"quantize.note",  /*  Expressed internally as timebase = 480  */
*QuantizeStrengthKey = @"quantize.strength",
*QuantizeSwingKey = @"quantize.swing";

@implementation QuantizePanelController

- (id)init
{
        self = [super initWithWindowNibName:@"QuantizePanel"];
        if (self) {
                timebase = 480.0f;
        }
        return self;
}

- (void)updateDisplay
{
        id obj;
        int ival;
        float fval;
        obj = MyAppCallback_getObjectGlobalSettings(QuantizeNoteKey);
        if (obj == nil) {
                obj = [NSNumber numberWithFloat:480.0f];
                MyAppCallback_setObjectGlobalSettings(QuantizeNoteKey, obj);
        }
        fval = [obj floatValue];
        for (ival = 0; ival < 18; ival++) {
                if ([[unitNotePopUp itemAtIndex:ival] tag] == fval) {
                        [unitNotePopUp selectItemAtIndex:ival];
                        break;
                }
        }
        if (ival == 18)
                [unitNotePopUp selectItemAtIndex:-1];
        ival = (int)floor(fval * timebase / 480.0f + 0.5f);
        [unitText setIntValue:ival];

        obj = MyAppCallback_getObjectGlobalSettings(QuantizeStrengthKey);
        if (obj == nil) {
                obj = [NSNumber numberWithFloat:0.5f];
                MyAppCallback_setObjectGlobalSettings(QuantizeStrengthKey, obj);
        }
        fval = [obj floatValue];
        [strengthSlider setFloatValue:fval];
        [strengthText setFloatValue:fval];
        
        obj = MyAppCallback_getObjectGlobalSettings(QuantizeSwingKey);
        if (obj == nil) {
                obj = [NSNumber numberWithFloat:0.0f];
                MyAppCallback_setObjectGlobalSettings(QuantizeSwingKey, obj);
        }
        fval = [obj floatValue];
        [swingSlider setFloatValue:fval];
        [swingText setFloatValue:fval];
}

- (void)windowDidLoad
{
        NSMenu *menu;
        NSMenuItem *menuItem;
        int i, j;
        [super windowDidLoad];
        menu = [unitNotePopUp menu];
        for (i = 0; i < 3; i++) {
                static NSString *fmt[] = {@"note%d.png", @"note%dd.png", @"note%d_3.png"};
                static int notelen[] = {1920, 2880, 1280};
                for (j = 1; j <= 32; j *= 2) {
                        menuItem = [[[NSMenuItem allocWithZone: [self zone]] initWithTitle: @"" action: nil keyEquivalent: @""] autorelease];
                        [menuItem setImage: [NSImage imageNamed: [NSString stringWithFormat: fmt[i], j]]];
                        [menuItem setTag:notelen[i] / j];  /*  Note length for timebase = 480  */
                        [menu addItem: menuItem];
                }
        }
        [self updateDisplay];
}

- (void)setTimebase:(float)newTimebase
{
        timebase = newTimebase;
        [self updateDisplay];
}

- (IBAction)unitChanged:(id)sender
{
        float fval;
        if (sender == unitNotePopUp)
                fval = [[sender selectedItem] tag];
        else if (sender == unitText)
                fval = [sender floatValue] * 480.0f / timebase;
        else return;
        MyAppCallback_setObjectGlobalSettings(QuantizeNoteKey, [NSNumber numberWithFloat:fval]);
        [self updateDisplay];
}

- (IBAction)strengthChanged:(id)sender
{
        float fval;
        fval = [sender floatValue];
        if (fval < 0.0f)
                fval = 0.0f;
        if (fval > 1.0f)
                fval = 1.0f;
        MyAppCallback_setObjectGlobalSettings(QuantizeStrengthKey, [NSNumber numberWithFloat:fval]);
        [self updateDisplay];
}

- (IBAction)swingChanged:(id)sender
{
        float fval;
        fval = [sender floatValue];
        if (fval < 0.0f)
                fval = 0.0f;
        if (fval > 1.0f)
                fval = 1.0f;
        MyAppCallback_setObjectGlobalSettings(QuantizeSwingKey, [NSNumber numberWithFloat:fval]);
        [self updateDisplay];
}

- (IBAction)okPressed:(id)sender
{
        [NSApp stopModal];
}

- (IBAction)cancelPressed:(id)sender
{
        [NSApp abortModal];
}

@end