add midi input/output menu.

2021-08-07 15:12:20 -04:00 · 2021-08-07 15:12:20 -04:00 · 70f4738264
parent 026a9e7704
commit 70f4738264
7 changed files with 440 additions and 31 deletions
--- a/Ample.xcodeproj/project.pbxproj
+++ b/Ample.xcodeproj/project.pbxproj
@ -149,6 +149,10 @@
 		B6841BD7251EC926006A5C39 /* vmnet_helper.c in Sources */ = {isa = PBXBuildFile; fileRef = B6841BCA251EC88E006A5C39 /* vmnet_helper.c */; };
 		B6841BDA251ECB1C006A5C39 /* mame64 in CopyFiles */ = {isa = PBXBuildFile; fileRef = B66236B824FDA698006CABD7 /* mame64 */; settings = {ATTRIBUTES = (CodeSignOnCopy, ); }; };
 		B6841BDE251ECC29006A5C39 /* vmnet.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = B6841BDD251ECC29006A5C39 /* vmnet.framework */; };
+		B68A899026BE18E000B2C8C6 /* MidiManager.m in Sources */ = {isa = PBXBuildFile; fileRef = B68A898F26BE18E000B2C8C6 /* MidiManager.m */; };
+		B68A899126BE18E000B2C8C6 /* MidiManager.m in Sources */ = {isa = PBXBuildFile; fileRef = B68A898F26BE18E000B2C8C6 /* MidiManager.m */; };
+		B68A899426BF124B00B2C8C6 /* CoreMIDI.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = B68A899326BF124B00B2C8C6 /* CoreMIDI.framework */; };
+		B68A899526BF12A600B2C8C6 /* CoreMIDI.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = B68A899326BF124B00B2C8C6 /* CoreMIDI.framework */; };
 		B6A1A1942528EB1700DB0FD7 /* Menu.m in Sources */ = {isa = PBXBuildFile; fileRef = B6A1A1932528EB1700DB0FD7 /* Menu.m */; };
 		B6A1A1952528EB1700DB0FD7 /* Menu.m in Sources */ = {isa = PBXBuildFile; fileRef = B6A1A1932528EB1700DB0FD7 /* Menu.m */; };
 		B6B9EA662506A5550080E70D /* EjectButton.m in Sources */ = {isa = PBXBuildFile; fileRef = B6B9EA642506A5550080E70D /* EjectButton.m */; };
@ -449,6 +453,9 @@
 		B6841BCA251EC88E006A5C39 /* vmnet_helper.c */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.c; path = vmnet_helper.c; sourceTree = "<group>"; };
 		B6841BD0251EC913006A5C39 /* vmnet_helper */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.executable"; includeInIndex = 0; path = vmnet_helper; sourceTree = BUILT_PRODUCTS_DIR; };
 		B6841BDD251ECC29006A5C39 /* vmnet.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = vmnet.framework; path = System/Library/Frameworks/vmnet.framework; sourceTree = SDKROOT; };
+		B68A898F26BE18E000B2C8C6 /* MidiManager.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = MidiManager.m; sourceTree = "<group>"; };
+		B68A899226BE320200B2C8C6 /* MidiManager.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = MidiManager.h; sourceTree = "<group>"; };
+		B68A899326BF124B00B2C8C6 /* CoreMIDI.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = CoreMIDI.framework; path = System/Library/Frameworks/CoreMIDI.framework; sourceTree = SDKROOT; };
 		B6A1A1932528EB1700DB0FD7 /* Menu.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = Menu.m; sourceTree = "<group>"; };
 		B6A1A1962528EB4600DB0FD7 /* Menu.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = Menu.h; sourceTree = "<group>"; };
 		B6B9EA642506A5550080E70D /* EjectButton.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = EjectButton.m; sourceTree = "<group>"; };
@ -518,6 +525,7 @@
 			files = (
 				B65D718625E70BD5008C5F87 /* WebKit.framework in Frameworks */,
 				B635C09D26784A4800B23BFD /* Sparkle.framework in Frameworks */,
+				B68A899426BF124B00B2C8C6 /* CoreMIDI.framework in Frameworks */,
 				B635C09A26784A1200B23BFD /* Sparkle.framework in Frameworks */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
@ -526,6 +534,7 @@
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				B68A899526BF12A600B2C8C6 /* CoreMIDI.framework in Frameworks */,
 				B65D718725E70BE5008C5F87 /* WebKit.framework in Frameworks */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
@ -635,6 +644,7 @@
 		B66236B624FDA686006CABD7 /* Frameworks */ = {
 			isa = PBXGroup;
 			children = (
+				B68A899326BF124B00B2C8C6 /* CoreMIDI.framework */,
 				B635C09926784A1200B23BFD /* Sparkle.framework */,
 				B65D718525E70BD5008C5F87 /* WebKit.framework */,
 				B6841BDD251ECC29006A5C39 /* vmnet.framework */,
@ -725,6 +735,8 @@
 				B6B9EA642506A5550080E70D /* EjectButton.m */,
 				B64AF1F8250EF6A500A09B9B /* Transformers.h */,
 				B64AF1F9250EF6A500A09B9B /* Transformers.m */,
+				B68A898F26BE18E000B2C8C6 /* MidiManager.m */,
+				B68A899226BE320200B2C8C6 /* MidiManager.h */,
 				B6BA258124E99BEB005FB8FF /* Assets.xcassets */,
 				B64E15AF24EA365E00E8AD3D /* Resources */,
 				B6BA258624E99BEB005FB8FF /* Info.plist */,
@ -1205,6 +1217,7 @@
 				B6665C14265A0E3E00254939 /* AutocompleteControl.m in Sources */,
 				B64979C224EF6703008ABD20 /* MediaViewController.m in Sources */,
 				B60A6E1424EE0AE2004B7EEF /* FlippedView.m in Sources */,
+				B68A899026BE18E000B2C8C6 /* MidiManager.m in Sources */,
 				B6BA258024E99BE9005FB8FF /* AppDelegate.m in Sources */,
 				B6004DF024FB05D600D38596 /* LogWindowController.m in Sources */,
 				B63005332666D6940014C381 /* BookmarkManager.m in Sources */,
@ -1223,6 +1236,7 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				B68A899126BE18E000B2C8C6 /* MidiManager.m in Sources */,
 				B608E1802502FE0C00D53465 /* TransparentScroller.m in Sources */,
 				B64AF1FB250EF6A500A09B9B /* Transformers.m in Sources */,
 				B6E4B5B024FDE2670094A35C /* main.m in Sources */,
--- a/Ample/Base.lproj/MediaView.xib
+++ b/Ample/Base.lproj/MediaView.xib
@ -61,7 +61,7 @@
                                            <outlet property="textField" destination="Pep-mX-LHY" id="hUe-cf-6vq"/>
                                        </connections>
                                    </tableCellView>
-                                    <tableCellView identifier="ItemView" translatesAutoresizingMaskIntoConstraints="NO" id="yGq-lc-RCM" customClass="TablePathView">
+                                    <tableCellView identifier="ItemView" translatesAutoresizingMaskIntoConstraints="NO" id="yGq-lc-RCM" customClass="PathTableCellView">
                                        <rect key="frame" x="1" y="21" width="296" height="22"/>
                                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                                        <subviews>
@ -101,7 +101,7 @@
                                            <outlet property="pathControl" destination="f7R-TO-fmF" id="oH7-N3-JC7"/>
                                        </connections>
                                    </tableCellView>
-                                    <tableCellView identifier="BBItemView" id="2Nq-Xz-tkV" customClass="TablePathView">
+                                    <tableCellView identifier="BBItemView" id="2Nq-Xz-tkV" customClass="PathTableCellView">
                                        <rect key="frame" x="1" y="46" width="296" height="22"/>
                                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                                        <subviews>
@ -146,7 +146,7 @@
                                            <outlet property="ejectButton" destination="zxn-1E-o34" id="eC6-Mf-tN6"/>
                                        </connections>
                                    </tableCellView>
-                                    <tableCellView identifier="OutputItemView" id="jQd-Ar-5uf" customClass="TablePathView">
+                                    <tableCellView identifier="OutputItemView" id="jQd-Ar-5uf" customClass="PathTableCellView">
                                        <rect key="frame" x="1" y="71" width="296" height="22"/>
                                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                                        <subviews>
@ -177,12 +177,12 @@
                                                </textFieldCell>
                                                <connections>
                                                    <action selector="textAction:" target="-2" id="N7h-6y-D8W"/>
-                                                    <binding destination="jQd-Ar-5uf" name="enabled" keyPath="objectValue.valid" id="1wE-NY-Vb2"/>
                                                    <binding destination="jQd-Ar-5uf" name="value" keyPath="objectValue.string" id="kXU-qJ-HKa">
                                                        <dictionary key="options">
                                                            <string key="NSNullPlaceholder">/path/to/file</string>
                                                        </dictionary>
                                                    </binding>
+                                                    <binding destination="jQd-Ar-5uf" name="enabled" keyPath="objectValue.valid" id="1wE-NY-Vb2"/>
                                                </connections>
                                            </textField>
                                        </subviews>
@ -191,6 +191,57 @@
                                            <outlet property="ejectButton" destination="vG4-PP-efF" id="X2I-2N-t5r"/>
                                        </connections>
                                    </tableCellView>
+                                    <tableCellView identifier="MidiItemView" id="HDi-YM-iKn" customClass="MidiTableCellView">
+                                        <rect key="frame" x="1" y="96" width="296" height="22"/>
+                                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                                        <subviews>
+                                            <imageView horizontalHuggingPriority="251" verticalHuggingPriority="251" id="XcO-0S-W4c">
+                                                <rect key="frame" x="0.0" y="1" width="20" height="20"/>
+                                                <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
+                                                <imageCell key="cell" refusesFirstResponder="YES" alignment="left" imageAlignment="left" image="drag-handle-4x10" id="4a2-So-rxD"/>
+                                            </imageView>
+                                            <button verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="F3v-8Z-LaF" customClass="EjectButton">
+                                                <rect key="frame" x="277" y="3" width="16" height="16"/>
+                                                <autoresizingMask key="autoresizingMask" flexibleMinX="YES" flexibleMinY="YES"/>
+                                                <buttonCell key="cell" type="bevel" bezelStyle="regularSquare" image="eject-16x16" imagePosition="only" alignment="center" alternateImage="eject-hover-16x16" imageScaling="proportionallyDown" inset="2" id="b3t-Zp-2si">
+                                                    <behavior key="behavior" pushIn="YES" lightByBackground="YES" lightByGray="YES"/>
+                                                    <font key="font" metaFont="system"/>
+                                                </buttonCell>
+                                                <connections>
+                                                    <action selector="ejectAction:" target="-2" id="AvU-Sz-QKJ"/>
+                                                    <binding destination="HDi-YM-iKn" name="enabled" keyPath="objectValue.occupied" id="ERy-Iz-T9Q"/>
+                                                </connections>
+                                            </button>
+                                            <popUpButton verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="L2F-mj-lkr">
+                                                <rect key="frame" x="20" y="-3" width="244" height="25"/>
+                                                <autoresizingMask key="autoresizingMask" widthSizable="YES" flexibleMinY="YES"/>
+                                                <popUpButtonCell key="cell" type="push" bezelStyle="rounded" alignment="left" lineBreakMode="truncatingTail" state="on" borderStyle="borderAndBezel" imageScaling="proportionallyDown" inset="2" selectedItem="CaJ-NG-vbR" id="Rac-za-bEQ">
+                                                    <behavior key="behavior" lightByBackground="YES" lightByGray="YES"/>
+                                                    <font key="font" metaFont="system"/>
+                                                    <menu key="menu" id="I55-5S-oM2">
+                                                        <items>
+                                                            <menuItem state="on" id="CaJ-NG-vbR">
+                                                                <modifierMask key="keyEquivalentModifierMask"/>
+                                                            </menuItem>
+                                                        </items>
+                                                    </menu>
+                                                </popUpButtonCell>
+                                                <connections>
+                                                    <action selector="midiAction:" target="-2" id="LDL-4h-xUR"/>
+                                                    <binding destination="HDi-YM-iKn" name="selectedValue" keyPath="objectValue.string" id="xjL-hx-VG3">
+                                                        <dictionary key="options">
+                                                            <string key="NSValueTransformerName">EmptyStringTransformer</string>
+                                                        </dictionary>
+                                                    </binding>
+                                                </connections>
+                                            </popUpButton>
+                                        </subviews>
+                                        <connections>
+                                            <outlet property="dragHandle" destination="XcO-0S-W4c" id="oKY-UF-LkW"/>
+                                            <outlet property="ejectButton" destination="F3v-8Z-LaF" id="ql8-4u-qCA"/>
+                                            <outlet property="popUpButton" destination="L2F-mj-lkr" id="Ktx-Yc-DIp"/>
+                                        </connections>
+                                    </tableCellView>
                                </prototypeCellViews>
                            </tableColumn>
                        </tableColumns>
--- a/Ample/MediaViewController.m
+++ b/Ample/MediaViewController.m
@ -9,26 +9,8 @@
 #import "MediaViewController.h"
 #import "TableCellView.h"

-enum {
-    kIndexFloppy525 = 0,
-    kIndexFloppy35,
-    kIndexHardDrive,
-    kIndexCDROM,
-    kIndexCassette,
-    kIndexDiskImage,
-    kIndexBitBanger,
-    kIndexMidiIn,
-    kIndexMidiOut,
-    kIndexPicture, // computer eyes -pic, .png only.
-    // kIndexPrintout // -prin, .prn extension only?
-    
-    kIndexLast
-};
-
-#define CATEGORY_COUNT 10
 #define SIZEOF(x) (sizeof(x) / sizeof(x[0]))

-static_assert(kIndexLast == CATEGORY_COUNT, "Invalid Category Count");

@protocol MediaNode
 -(BOOL)isGroupItem;
@ -285,15 +267,23 @@ static_assert(kIndexLast == CATEGORY_COUNT, "Invalid Category Count");

 -(NSString *)viewIdentifier {
    if (_category == kIndexBitBanger) return @"BBItemView";
-    if (_category == kIndexMidiOut) return @"OutputItemView";
-    if (_category == kIndexMidiIn) return @"OutputItemView";
+    if (_category == kIndexMidiOut) return @"MidiItemView";
+    if (_category == kIndexMidiIn) return @"MidiItemView";
    return @"ItemView";
 }

-(void)prepareView: (TablePathView *)view {
+-(void)prepareView: (MediaTableCellView *)view {
    /* set the path tag = category. */
+
+    [view prepareView: _category];
+#if 0
+    if (_category == kIndexMidiIn || _category == kIndexMidiOut || _category == kIndexBitBanger) {
+        return;
+    }
+    
    NSPathControl *pc = [view pathControl];
    [pc setTag: _category + 1]; // to differentiate 0 / no path control.
+#endif
 }

 -(CGFloat)height {
@ -437,7 +427,7 @@ x = media.name; cat = _data[index]; delta |= [cat setItemCount: x]
    // So we should build a device list (and pre-populate the default one)
    // another approach is a separate utility to act as a midi/serial input converter
    // and midi file / serial converter so the modem/serial port could be used.
-#if 0
+#if 1
    _(midiin, kIndexMidiIn);
    _(midiout, kIndexMidiOut);
 #endif
@ -782,6 +772,9 @@ static NSString *kDragType = @"private.ample.media";
 -(IBAction)textAction: (id)sender {
    [self rebuildArgs];
 }
+- (IBAction)midiAction:(id)sender {
+    [self rebuildArgs];
+}

 -(IBAction)resetMedia:(id)sender {
    [self resetDiskImages];
--- a/Ample/MidiManager.h
+++ b/Ample/MidiManager.h
@ -0,0 +1,25 @@
+//
+//  MidiManager.h
+//  Ample
+//
+//  Created by Kelvin Sherlock on 8/6/2021.
+//  Copyright © 2021 Kelvin Sherlock. All rights reserved.
+//
+
+#ifndef MidiManager_h
+#define MidiManager_h
+
+
+extern NSString *kMidiSourcesChangedNotification;
+extern NSString *kMidiDestinationsChangedNotification;
+
+@interface MidiManager : NSObject
+
+@property NSArray *sources;
+@property NSArray *destinations;
+
+(instancetype)sharedManager;
+
+@end
+
+#endif /* MidiManager_h */
--- a/Ample/MidiManager.m
+++ b/Ample/MidiManager.m
@ -0,0 +1,153 @@
+//
+//  Midi.m
+//  Ample
+//
+//  Created by Kelvin Sherlock on 8/6/2021.
+//  Copyright © 2021 Kelvin Sherlock. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import <CoreMIDI/CoreMIDI.h>
+
+#import "MidiManager.h"
+
+static NSArray *MidiSources(void) {
+    
+    ItemCount count = MIDIGetNumberOfSources();
+    if (count <= 0) return @[];
+    
+    NSMutableArray *rv = [NSMutableArray arrayWithCapacity: count + 1];
+    
+    MIDIEndpointRef ep;
+    for(int i = 0; i < count; ++i) {
+        ep = MIDIGetSource(i);
+        if (!ep) continue;
+
+        // https://developer.apple.com/library/archive/qa/qa1374/_index.html
+        CFStringRef str = NULL;
+        MIDIObjectGetStringProperty(ep, kMIDIPropertyDisplayName, &str);
+
+        if (str) {
+            [rv addObject: (__bridge id _Nonnull)(str)];
+            CFRelease(str);
+        }
+    }
+    return rv;
+}
+
+
+static NSArray *MidiDestinations(void) {
+    
+    ItemCount count = MIDIGetNumberOfDestinations();
+    if (count <= 0) return @[];
+    
+    NSMutableArray *rv = [NSMutableArray arrayWithCapacity: count + 1];
+    
+    MIDIEndpointRef ep;
+    for(int i = 0; i < count; ++i) {
+        ep = MIDIGetDestination(i);
+        if (!ep) continue;
+
+        // https://developer.apple.com/library/archive/qa/qa1374/_index.html
+        CFStringRef str = NULL;
+        MIDIObjectGetStringProperty(ep, kMIDIPropertyDisplayName, &str);
+
+        if (str) {
+            [rv addObject: (__bridge id _Nonnull)(str)];
+            CFRelease(str);
+        }
+    }
+    return rv;
+}
+
+NSString *kMidiSourcesChangedNotification = @"Midi Sources Changed";
+NSString *kMidiDestinationsChangedNotification = @"Midi Destinations Changed";
+
+
+@interface MidiManager () {
+    MIDIClientRef _client;
+}
+
+-(void)objectAddRemove: (const MIDIObjectAddRemoveNotification *)message;
+-(void)objectPropertyChanged: (const MIDIObjectPropertyChangeNotification *)message;
+@end
+
+
+static MidiManager *singleton = nil;
+@implementation MidiManager
+
+-(void)awakeFromNib {
+    if (!singleton) singleton = self;
+}
+
+(instancetype)sharedManager {
+    if (!singleton) singleton = [MidiManager new];
+    return singleton;
+}
+
+-(instancetype)init {
+    
+    if (singleton) return singleton;
+
+    OSStatus status;
+    
+
+    status = MIDIClientCreateWithBlock(
+        CFSTR("serial_midi"),
+        &_client,
+        ^(const MIDINotification *message){
+        switch(message->messageID) {
+            case kMIDIMsgObjectAdded:
+            case kMIDIMsgObjectRemoved:
+                [self objectAddRemove: (const MIDIObjectAddRemoveNotification *)message];
+                break;
+            case kMIDIMsgPropertyChanged:
+                [self objectPropertyChanged: (const MIDIObjectPropertyChangeNotification *)message];
+            default:
+                break;
+        }
+    });
+   
+    _sources = MidiSources();
+    _destinations = MidiDestinations();
+    return self;
+}
+
+-(void)objectAddRemove: (const MIDIObjectAddRemoveNotification *)message {
+
+    const MIDIObjectAddRemoveNotification *m = (const MIDIObjectAddRemoveNotification *)message;
+    
+    NSNotificationCenter *nc = [NSNotificationCenter defaultCenter];
+
+    if (m->childType == kMIDIObjectType_Source) {
+        [self setSources: MidiSources()];
+        [nc postNotificationName: kMidiSourcesChangedNotification object: self];
+    }
+    
+    if (m->childType == kMIDIObjectType_Destination) {
+        [self setDestinations: MidiDestinations()];
+        [nc postNotificationName: kMidiDestinationsChangedNotification object: self];
+    }
+   
+}
+-(void)objectPropertyChanged: (const MIDIObjectPropertyChangeNotification *)message {
+
+    const MIDIObjectPropertyChangeNotification *m = (const MIDIObjectPropertyChangeNotification *)message;
+    if (m->propertyName == kMIDIPropertyDisplayName) {
+        [self setSources: MidiSources()];
+        [self setDestinations: MidiDestinations()];
+
+        NSNotificationCenter *nc = [NSNotificationCenter defaultCenter];
+        [nc postNotificationName: kMidiSourcesChangedNotification object: self];
+        [nc postNotificationName: kMidiDestinationsChangedNotification object: self];
+    }
+}
+
+
+-(void)dealloc {
+    
+    if (_client)
+        MIDIClientDispose(_client);
+}
+@end
+
--- a/Ample/TableCellView.h
+++ b/Ample/TableCellView.h
@ -11,12 +11,40 @@
 //NS_ASSUME_NONNULL_BEGIN


+enum {
+    kIndexFloppy525 = 0,
+    kIndexFloppy35,
+    kIndexHardDrive,
+    kIndexCDROM,
+    kIndexCassette,
+    kIndexDiskImage,
+    kIndexBitBanger,
+    kIndexMidiIn,
+    kIndexMidiOut,
+    kIndexPicture, // computer eyes -pic, .png only.
+    // kIndexPrintout // -prin, .prn extension only?
+    
+    kIndexLast
+};
+#define CATEGORY_COUNT 10
+static_assert(kIndexLast == CATEGORY_COUNT, "Invalid Category Count");

-@interface TablePathView : NSTableCellView
-@property (weak) IBOutlet NSPathControl *pathControl;
+
+@interface MediaTableCellView : NSTableCellView
@property (weak) IBOutlet NSButton *ejectButton;
@property (weak) IBOutlet NSImageView *dragHandle;
@property BOOL movable;
+
+-(void)prepareView: (NSInteger)category;
+@end
+
+@interface PathTableCellView : MediaTableCellView <NSPathControlDelegate>
+@property (weak) IBOutlet NSPathControl *pathControl;
+@end
+
+
+@interface MidiTableCellView : MediaTableCellView
+@property (weak) IBOutlet NSPopUpButton *popUpButton;
@end

 //NS_ASSUME_NONNULL_END
--- a/Ample/TableCellView.m
+++ b/Ample/TableCellView.m
@ -7,13 +7,16 @@
 //

 #import "TableCellView.h"
+#import "MidiManager.h"
+#import "Menu.h"


-
-@implementation TablePathView {
+@implementation MediaTableCellView
+#if 0
+{
    NSTrackingRectTag _trackingRect;
 }
-
+#endif
 -(void)awakeFromNib {

    // need to do it here for 10.11 compatibility.
@ -31,6 +34,8 @@
    
 }

+-(void)prepareView: (NSInteger)category {
+}

 #if 0
 -(void)awakeFromNib {
@ -65,3 +70,143 @@

@end

+@implementation PathTableCellView
+
+-(void)prepareView: (NSInteger)category {
+    [_pathControl setTag: category + 1];
+}
+
+- (void)pathControl:(NSPathControl *)pathControl willPopUpMenu:(NSMenu *)menu {
+    // if this is an output path, replace the "choose..." button with a save panel.
+    NSMenuItem *item = [menu itemAtIndex: 0];
+    if (item) {
+        [item setTarget: self];
+        [item setAction: @selector(choosePath:)];
+    }
+}
+
+-(IBAction)choosePath:(id)sender {
+    NSPathControl *pc = _pathControl;
+    NSURL *url = [pc URL];
+    
+    NSSavePanel *p = [NSSavePanel savePanel];
+
+    if (url) {
+        NSFileManager *fm = [NSFileManager defaultManager];
+        BOOL dir = NO;
+        NSString *str = [NSString stringWithCString: [url fileSystemRepresentation] encoding: NSUTF8StringEncoding];
+        [fm fileExistsAtPath: str isDirectory: &dir];
+
+        if (!dir) {
+            [p setNameFieldStringValue: [str lastPathComponent]];
+            url = [url URLByDeletingLastPathComponent];
+        }
+        [p setDirectoryURL: url];
+    }
+    [p setExtensionHidden: NO];
+
+    [p beginWithCompletionHandler: ^(NSModalResponse response){
+        if (response != NSModalResponseOK) return;
+        NSURL *url = [p URL];
+        [pc setURL: url];
+    }];
+    
+}
+
+@end
+
+
+@interface EmptyStringTransformer : NSValueTransformer
+
+@end
+
+static NSString *kNone = @"—None—";
+
+@implementation EmptyStringTransformer
+
+(void)load {
+    [self setValueTransformer: [self new] forName: @"EmptyStringTransformer"];
+}
+
+ (Class)transformedValueClass {
+    return [NSString class];
+}
+ (BOOL)allowsReverseTransformation {
+    return YES;
+}
+- (id)transformedValue:(id)value {
+    if (value == nil) return kNone;
+    if ([kNone isEqualToString: value]) return nil;
+    return value;
+}
+
+@end
+
+@implementation MidiTableCellView {
+    NSInteger _category;
+}
+
+/* binding should be able to handle the menu but i couldn't make it work. */
+
+
+-(void)prepareView: (NSInteger)category {
+    _category = category;
+
+    // 10.11 + doesn't need to remove the observer in the -dealloc
+    NSNotificationCenter *nc = [NSNotificationCenter defaultCenter];
+    [nc addObserver: self selector: @selector(midiChanged:) name: category == kIndexMidiIn ? kMidiSourcesChangedNotification : kMidiDestinationsChangedNotification object: nil];
+
+    [self updateMenus: NO];
+}
+
+-(void)updateMenus: (BOOL)notification {
+    NSMenu *menu = [_popUpButton menu];
+    MidiManager *mgr = [MidiManager sharedManager];
+    
+    NSArray *array = _category == kIndexMidiIn ? [mgr sources] : [mgr destinations];
+    
+    [menu removeAllItems];
+    NSString *selected = [[_popUpButton selectedItem] representedObject];
+    int selectedIndex = -1;
+    NSMenuItem *item;
+
+    item = [[NSMenuItem alloc] initWithTitle: kNone action: NULL keyEquivalent: @""];
+    [item setAttributedTitle: ItalicMenuString(kNone)];
+    [menu addItem: item];
+    selectedIndex = 0;
+#if 0
+    if (!selected || [@"" isEqualToString: selected]) {
+        selectedIndex = 0;
+    }
+#endif
+    
+    int ix = 1;
+    for (NSString *s in array) {
+        item = [[NSMenuItem alloc] initWithTitle: s action: NULL keyEquivalent: @""];
+        [item setRepresentedObject: s];
+        [menu addItem: item];
+        if ([s isEqualToString: selected]) {
+            selectedIndex = ix;
+        }
+        ++ix;
+    }
+
+    // does this propogate?
+    [_popUpButton selectItemAtIndex: selectedIndex];
+    if (notification) [_popUpButton sendAction: [_popUpButton action] to: [_popUpButton target]];
+}
+
+-(void)midiChanged: (NSNotification *)notification {
+    
+    [self updateMenus: YES];
+}
+
+
+-(void)prepareForReuse {
+    NSNotificationCenter *nc = [NSNotificationCenter defaultCenter];
+    [nc removeObserver: self];
+    _category = 0;
+    [super prepareForReuse];
+}
+
+@end