Configurable keys for the Cocoa port

Cocoa/AppDelegate.h

@@ -2,6 +2,8 @@
 
 @interface AppDelegate : NSObject <NSApplicationDelegate>
 
+@property IBOutlet NSWindow *preferencesWindow;
+- (IBAction)showPreferences: (id) sender;
 - (IBAction)toggleDeveloperMode:(id)sender;
 
 @end

Cocoa/AppDelegate.m

@@ -5,6 +5,28 @@
 @end
 
 @implementation AppDelegate
+{
+    NSWindow *preferences_window;
+}
+
+- (void) applicationDidFinishLaunching:(NSNotification *)notification
+{
+#define KEY(x) ({unichar __x = x; [NSString stringWithCharacters:&(__x) length:1];})
+    [[NSUserDefaults standardUserDefaults] registerDefaults:@{
+                                                              @"GBRight": KEY(NSRightArrowFunctionKey),
+                                                              @"GBLeft": KEY(NSLeftArrowFunctionKey),
+                                                              @"GBUp": KEY(NSUpArrowFunctionKey),
+                                                              @"GBDown": KEY(NSDownArrowFunctionKey),
+
+                                                              @"GBA": @"x",
+                                                              @"GBB": @"z",
+                                                              @"GBSelect": @"\x7f",
+                                                              @"GBStart": @"\r",
+
+                                                              @"GBTurbo": @" ",
+                                                              }];
+#undef KEY
+}
 
 - (IBAction)toggleDeveloperMode:(id)sender {
     NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
@@ -15,10 +37,17 @@
 {
     if ([anItem action] == @selector(toggleDeveloperMode:)) {
         [(NSMenuItem*)anItem setState:[[NSUserDefaults standardUserDefaults] boolForKey:@"DeveloperMode"]];
+    }
+
     return true;
 }
 
-    return false;
+- (IBAction) showPreferences: (id) sender
+{
+    NSArray *objects;
+    if (!_preferencesWindow) {
+        [[NSBundle mainBundle] loadNibNamed:@"Preferences" owner:self topLevelObjects:&objects];
+    }
+    [_preferencesWindow makeKeyAndOrderFront:self];
 }
-
 @end

Cocoa/GBButtons.h

@@ -0,0 +1,24 @@
+#ifndef GBButtons_h
+#define GBButtons_h
+
+typedef enum : NSUInteger {
+    GBRight,
+    GBLeft,
+    GBUp,
+    GBDown,
+    GBA,
+    GBB,
+    GBSelect,
+    GBStart,
+    GBTurbo,
+    GBButtonCount
+} GBButton;
+
+extern NSString const *GBButtonNames[GBButtonCount];
+
+static inline NSString *button_to_preference_name(GBButton button)
+{
+    return [NSString stringWithFormat:@"GB%@", GBButtonNames[button]];
+}
+
+#endif

Cocoa/GBButtons.m

@@ -0,0 +1,4 @@
+#import <Foundation/Foundation.h>
+#import "GBButtons.h"
+
+NSString const *GBButtonNames[] = {@"Right", @"Left", @"Up", @"Down", @"A", @"B", @"Select", @"Start", @"Turbo"};

Cocoa/GBPreferencesWindow.h

@@ -0,0 +1,5 @@
+#import <Cocoa/Cocoa.h>
+
+@interface GBPreferencesWindow : NSWindow <NSTableViewDelegate, NSTableViewDataSource>
+@property IBOutlet NSTableView *controlsTableView;
+@end

Cocoa/GBPreferencesWindow.m

@@ -0,0 +1,60 @@
+#import "GBPreferencesWindow.h"
+#import "NSString+StringForKey.h"
+#import "GBButtons.h"
+
+@implementation GBPreferencesWindow
+{
+    bool is_button_being_modified;
+    NSInteger button_being_modified;
+}
+
+- (NSInteger)numberOfRowsInTableView:(NSTableView *)tableView
+{
+    return GBButtonCount;
+}
+
+- (id)tableView:(NSTableView *)tableView objectValueForTableColumn:(NSTableColumn *)tableColumn row:(NSInteger)row
+{
+    if ([tableColumn.identifier isEqualToString:@"keyName"]) {
+        return GBButtonNames[row];
+    }
+
+    if (is_button_being_modified && button_being_modified == row) {
+        return @"Select a new key...";
+    }
+
+    return [NSString displayStringForKeyString:[[NSUserDefaults standardUserDefaults] stringForKey:
+                                                button_to_preference_name(row)]];
+}
+
+- (BOOL)tableView:(NSTableView *)tableView shouldEditTableColumn:(NSTableColumn *)tableColumn row:(NSInteger)row
+{
+    dispatch_async(dispatch_get_main_queue(), ^{
+        is_button_being_modified = true;
+        button_being_modified = row;
+        tableView.enabled = NO;
+        [tableView reloadData];
+        [self makeFirstResponder:self];
+    });
+    return NO;
+}
+
+-(void)keyDown:(NSEvent *)theEvent
+{
+    if (!is_button_being_modified) {
+        if (self.firstResponder != self.controlsTableView) {
+            [super keyDown:theEvent];
+        }
+        return;
+    }
+
+    is_button_being_modified = false;
+
+    [[NSUserDefaults standardUserDefaults] setObject:theEvent.charactersIgnoringModifiers
+                                              forKey:button_to_preference_name(button_being_modified)];
+    self.controlsTableView.enabled = YES;
+    [self.controlsTableView reloadData];
+    [self makeFirstResponder:self.controlsTableView];
+}
+
+@end

Cocoa/GBView.m

@@ -1,6 +1,7 @@
-#import <Carbon/Carbon.h>
 #import <OpenGL/gl.h>
 #import "GBView.h"
+#import "GBButtons.h"
+#import "NSString+StringForKey.h"
 
 @implementation GBView
 {
@@ -76,79 +77,53 @@
 
 -(void)keyDown:(NSEvent *)theEvent
 {
-    unsigned short key = theEvent.keyCode;
+    bool handled = false;
-    switch (key) {
+
-        case kVK_RightArrow:
+    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
-            _gb->keys[0] = true;
+    for (GBButton i = 0; i < GBButtonCount; i++) {
-            break;
+        if ([[defaults stringForKey:button_to_preference_name(i)] isEqualToString:theEvent.charactersIgnoringModifiers]) {
-        case kVK_LeftArrow:
+            handled = true;
-            _gb->keys[1] = true;
+            switch (i) {
-            break;
+                case GBTurbo:
-        case kVK_UpArrow:
-            _gb->keys[2] = true;
-            break;
-        case kVK_DownArrow:
-            _gb->keys[3] = true;
-            break;
-        case kVK_ANSI_X:
-            _gb->keys[4] = true;
-            break;
-        case kVK_ANSI_Z:
-            _gb->keys[5] = true;
-            break;
-        case kVK_Delete:
-            _gb->keys[6] = true;
-            break;
-        case kVK_Return:
-            _gb->keys[7] = true;
-            break;
-        case kVK_Space:
                     _gb->turbo = true;
                     break;
                     
                 default:
-            [super keyDown:theEvent];
+                    _gb->keys[i] = true;
                     break;
             }
         }
+    }
+
+    if (!handled) {
+        [super keyDown:theEvent];
+    }
+}
 
 -(void)keyUp:(NSEvent *)theEvent
 {
-    unsigned short key = theEvent.keyCode;
+    bool handled = false;
-    switch (key) {
+
-        case kVK_RightArrow:
+    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
-            _gb->keys[0] = false;
+    for (GBButton i = 0; i < GBButtonCount; i++) {
-            break;
+        if ([[defaults stringForKey:button_to_preference_name(i)] isEqualToString:theEvent.charactersIgnoringModifiers]) {
-        case kVK_LeftArrow:
+            handled = true;
-            _gb->keys[1] = false;
+            switch (i) {
-            break;
+                case GBTurbo:
-        case kVK_UpArrow:
-            _gb->keys[2] = false;
-            break;
-        case kVK_DownArrow:
-            _gb->keys[3] = false;
-            break;
-        case kVK_ANSI_X:
-            _gb->keys[4] = false;
-            break;
-        case kVK_ANSI_Z:
-            _gb->keys[5] = false;
-            break;
-        case kVK_Delete:
-            _gb->keys[6] = false;
-            break;
-        case kVK_Return:
-            _gb->keys[7] = false;
-            break;
-        case kVK_Space:
                     _gb->turbo = false;
                     break;
 
                 default:
-            [super keyUp:theEvent];
+                    _gb->keys[i] = false;
                     break;
             }
         }
+    }
+
+    if (!handled) {
+        [super keyUp:theEvent];
+    }
+}
 
 -(void)reshape
 {

Cocoa/MainMenu.xib

@@ -26,7 +26,11 @@
                                 </connections>
                             </menuItem>
                             <menuItem isSeparatorItem="YES" id="VOq-y0-SEH"/>
-                            <menuItem title="Preferences…" keyEquivalent="," id="BOF-NM-1cW"/>
+                            <menuItem title="Preferences…" keyEquivalent="," id="BOF-NM-1cW">
+                                <connections>
+                                    <action selector="showPreferences:" target="Voe-Tx-rLC" id="RcX-51-nzq"/>
+                                </connections>
+                            </menuItem>
                             <menuItem isSeparatorItem="YES" id="wFC-TO-SCJ"/>
                             <menuItem title="Services" id="NMo-om-nkz">
                                 <modifierMask key="keyEquivalentModifierMask"/>
@@ -305,9 +309,6 @@
                                         </menuItem>
                                     </items>
                                 </menu>
-                                <connections>
-                                    <action selector="loadState:" target="-1" id="WyW-n5-YHf"/>
-                                </connections>
                             </menuItem>
                             <menuItem isSeparatorItem="YES" id="5GS-tt-E0a"/>
                             <menuItem title="Gameboy" tag="1" id="vc7-yy-ARW">

Cocoa/NSKeyboardShortcut.h

@@ -0,0 +1,22 @@
+#ifndef NSKeyboardShortcut_h
+#define NSKeyboardShortcut_h
+
+/* This is private API, but it is a very simple and comprehensive way
+   to convert a key equivalent to its display name. */
+
+@interface NSKeyboardShortcut : NSObject <NSCopying>
+
++ (id)shortcutWithPreferencesEncoding:(NSString *)encoding;
++ (id)shortcutWithKeyEquivalent:(NSString *)key_equivalent modifierMask:(unsigned long long)mask;
+- (id)initWithKeyEquivalent:(NSString *)key_equivalent modifierMask:(unsigned long long)mask;
+
+@property(readonly) unsigned long long modifierMask;
+@property(readonly) NSString *keyEquivalent;
+@property(readonly) NSString *preferencesEncoding;
+@property(readonly) NSString *localizedModifierMaskDisplayName;
+@property(readonly) NSString *localizedKeyEquivalentDisplayName;
+@property(readonly) NSString *localizedDisplayName;
+
+@end
+
+#endif

Cocoa/NSString+StringForKey.h

@@ -0,0 +1,5 @@
+#import <Foundation/Foundation.h>
+
+@interface NSString (StringForKey)
++ (NSString *) displayStringForKeyString: (NSString *)key_string;
+@end

Cocoa/NSString+StringForKey.m

@@ -0,0 +1,12 @@
+#import "NSString+StringForKey.h"
+#import "NSKeyboardShortcut.h"
+
+@implementation NSString (StringForKey)
+
++ (NSString *) displayStringForKeyString: (NSString *)key_string
+{
+
+    return [[NSKeyboardShortcut shortcutWithKeyEquivalent:key_string modifierMask:0] localizedDisplayName];
+}
+
+@end

Cocoa/Preferences.xib

@@ -0,0 +1,97 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="9531" systemVersion="14F1509" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES" customObjectInstantitationMethod="direct">
+    <dependencies>
+        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="9531"/>
+    </dependencies>
+    <objects>
+        <customObject id="-2" userLabel="File's Owner" customClass="AppDelegate">
+            <connections>
+                <outlet property="preferencesWindow" destination="QvC-M9-y7g" id="kBg-fq-rZh"/>
+            </connections>
+        </customObject>
+        <customObject id="-1" userLabel="First Responder" customClass="FirstResponder"/>
+        <customObject id="-3" userLabel="Application" customClass="NSObject"/>
+        <window title="Preferences" allowsToolTipsWhenApplicationIsInactive="NO" autorecalculatesKeyViewLoop="NO" oneShot="NO" releasedWhenClosed="NO" animationBehavior="default" id="QvC-M9-y7g" customClass="GBPreferencesWindow">
+            <windowStyleMask key="styleMask" titled="YES" closable="YES"/>
+            <windowPositionMask key="initialPositionMask" leftStrut="YES" rightStrut="YES" topStrut="YES" bottomStrut="YES"/>
+            <rect key="contentRect" x="196" y="240" width="292" height="237"/>
+            <rect key="screenRect" x="0.0" y="0.0" width="2560" height="1417"/>
+            <view key="contentView" id="EiT-Mj-1SZ">
+                <rect key="frame" x="0.0" y="0.0" width="292" height="237"/>
+                <autoresizingMask key="autoresizingMask"/>
+                <subviews>
+                    <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="Utu-t4-cLx">
+                        <rect key="frame" x="18" y="201" width="256" height="17"/>
+                        <textFieldCell key="cell" scrollable="YES" lineBreakMode="clipping" sendsActionOnEndEditing="YES" title="Button configuration:" id="YqW-Ds-VIC">
+                            <font key="font" metaFont="system"/>
+                            <color key="textColor" name="labelColor" catalog="System" colorSpace="catalog"/>
+                            <color key="backgroundColor" name="controlColor" catalog="System" colorSpace="catalog"/>
+                        </textFieldCell>
+                    </textField>
+                    <scrollView focusRingType="none" fixedFrame="YES" autohidesScrollers="YES" horizontalLineScroll="19" horizontalPageScroll="10" verticalLineScroll="19" verticalPageScroll="10" hasHorizontalScroller="NO" hasVerticalScroller="NO" usesPredominantAxisScrolling="NO" horizontalScrollElasticity="none" verticalScrollElasticity="none" translatesAutoresizingMaskIntoConstraints="NO" id="PBp-dj-EIa">
+                        <rect key="frame" x="20" y="20" width="252" height="173"/>
+                        <clipView key="contentView" focusRingType="none" ambiguous="YES" drawsBackground="NO" id="AMs-PO-nid">
+                            <rect key="frame" x="1" y="1" width="250" height="171"/>
+                            <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                            <subviews>
+                                <tableView focusRingType="none" appearanceType="vibrantLight" verticalHuggingPriority="750" allowsExpansionToolTips="YES" columnAutoresizingStyle="lastColumnOnly" columnReordering="NO" columnResizing="NO" multipleSelection="NO" emptySelection="NO" autosaveColumns="NO" typeSelect="NO" id="UDd-IJ-fxX">
+                                    <rect key="frame" x="0.0" y="0.0" width="250" height="171"/>
+                                    <autoresizingMask key="autoresizingMask"/>
+                                    <size key="intercellSpacing" width="3" height="2"/>
+                                    <color key="backgroundColor" name="controlBackgroundColor" catalog="System" colorSpace="catalog"/>
+                                    <color key="gridColor" name="gridColor" catalog="System" colorSpace="catalog"/>
+                                    <tableColumns>
+                                        <tableColumn identifier="keyName" width="116" minWidth="40" maxWidth="1000" id="73A-gb-pzd">
+                                            <tableHeaderCell key="headerCell" lineBreakMode="truncatingTail" borderStyle="border">
+                                                <font key="font" metaFont="smallSystem"/>
+                                                <color key="textColor" name="headerTextColor" catalog="System" colorSpace="catalog"/>
+                                                <color key="backgroundColor" name="headerColor" catalog="System" colorSpace="catalog"/>
+                                            </tableHeaderCell>
+                                            <textFieldCell key="dataCell" lineBreakMode="truncatingTail" selectable="YES" editable="YES" title="Text Cell" id="mqT-jD-eXS">
+                                                <font key="font" metaFont="system"/>
+                                                <color key="textColor" name="textColor" catalog="System" colorSpace="catalog"/>
+                                                <color key="backgroundColor" name="controlBackgroundColor" catalog="System" colorSpace="catalog"/>
+                                            </textFieldCell>
+                                            <tableColumnResizingMask key="resizingMask" resizeWithTable="YES" userResizable="YES"/>
+                                        </tableColumn>
+                                        <tableColumn width="128" minWidth="40" maxWidth="1000" id="5VG-zV-WM6">
+                                            <tableHeaderCell key="headerCell" lineBreakMode="truncatingTail" borderStyle="border">
+                                                <font key="font" metaFont="smallSystem"/>
+                                                <color key="textColor" name="headerTextColor" catalog="System" colorSpace="catalog"/>
+                                                <color key="backgroundColor" name="headerColor" catalog="System" colorSpace="catalog"/>
+                                            </tableHeaderCell>
+                                            <textFieldCell key="dataCell" lineBreakMode="truncatingTail" selectable="YES" editable="YES" identifier="keyValue" title="Text Cell" id="tn8-0i-1q1">
+                                                <font key="font" metaFont="system"/>
+                                                <color key="textColor" name="textColor" catalog="System" colorSpace="catalog"/>
+                                                <color key="backgroundColor" name="controlBackgroundColor" catalog="System" colorSpace="catalog"/>
+                                            </textFieldCell>
+                                            <tableColumnResizingMask key="resizingMask" resizeWithTable="YES" userResizable="YES"/>
+                                        </tableColumn>
+                                    </tableColumns>
+                                    <connections>
+                                        <outlet property="dataSource" destination="QvC-M9-y7g" id="Msa-aU-MtO"/>
+                                        <outlet property="delegate" destination="QvC-M9-y7g" id="CfR-lh-CPe"/>
+                                    </connections>
+                                </tableView>
+                            </subviews>
+                            <nil key="backgroundColor"/>
+                        </clipView>
+                        <scroller key="horizontalScroller" hidden="YES" verticalHuggingPriority="750" horizontal="YES" id="31h-at-Znm">
+                            <rect key="frame" x="-100" y="-100" width="209.5" height="16"/>
+                            <autoresizingMask key="autoresizingMask"/>
+                        </scroller>
+                        <scroller key="verticalScroller" hidden="YES" verticalHuggingPriority="750" horizontal="NO" id="JkP-U1-jdy">
+                            <rect key="frame" x="-100" y="-100" width="15" height="102"/>
+                            <autoresizingMask key="autoresizingMask"/>
+                        </scroller>
+                    </scrollView>
+                </subviews>
+            </view>
+            <connections>
+                <outlet property="controlsTableView" destination="UDd-IJ-fxX" id="a1D-Md-yXv"/>
+                <outlet property="delegate" destination="-2" id="ASc-vN-Zbq"/>
+            </connections>
+            <point key="canvasLocation" x="179" y="403.5"/>
+        </window>
+    </objects>
+</document>

Makefile

@@ -74,7 +74,8 @@ $(BIN)/Sameboy.app: $(BIN)/Sameboy.app/Contents/MacOS/Sameboy \
 					$(BIN)/BootROMs/dmg_boot.bin \
 					$(BIN)/BootROMs/cgb_boot.bin \
 					$(BIN)/Sameboy.app/Contents/Resources/Base.lproj/Document.nib \
-					$(BIN)/Sameboy.app/Contents/Resources/Base.lproj/MainMenu.nib
+					$(BIN)/Sameboy.app/Contents/Resources/Base.lproj/MainMenu.nib \
+					$(BIN)/Sameboy.app/Contents/Resources/Base.lproj/Preferences.nib
 	mkdir -p $(BIN)/Sameboy.app/Contents/Resources
 	cp Cocoa/*.icns $(BIN)/BootROMs/dmg_boot.bin $(BIN)/BootROMs/cgb_boot.bin $(BIN)/Sameboy.app/Contents/Resources/
 	sed s/@VERSION/$(VERSION)/ < Cocoa/info.plist > $(BIN)/Sameboy.app/Contents/info.plist