Merge pull request #653 from TomHarte/CommandCapture

Allows machines to declare modifiers as 'essential'.

Inputs/Keyboard.cpp

@@ -10,13 +10,14 @@
 
 using namespace Inputs;
 
-Keyboard::Keyboard() {
+Keyboard::Keyboard(const std::set<Key> &essential_modifiers) : essential_modifiers_(essential_modifiers) {
 	for(int k = 0; k < int(Key::Help); ++k) {
 		observed_keys_.insert(Key(k));
 	}
 }
 
-Keyboard::Keyboard(const std::set<Key> &observed_keys) : observed_keys_(observed_keys), is_exclusive_(false) {}
+Keyboard::Keyboard(const std::set<Key> &observed_keys, const std::set<Key> &essential_modifiers) :
+	observed_keys_(observed_keys), essential_modifiers_(essential_modifiers), is_exclusive_(false) {}
 
 void Keyboard::set_key_pressed(Key key, char value, bool is_pressed) {
 	std::size_t key_offset = static_cast<std::size_t>(key);
@@ -28,6 +29,10 @@ void Keyboard::set_key_pressed(Key key, char value, bool is_pressed) {
 	if(delegate_) delegate_->keyboard_did_change_key(this, key, is_pressed);
 }
 
+const std::set<Inputs::Keyboard::Key> &Keyboard::get_essential_modifiers() {
+	return essential_modifiers_;
+}
+
 void Keyboard::reset_all_keys() {
 	std::fill(key_states_.begin(), key_states_.end(), false);
 	if(delegate_) delegate_->reset_all_keys(this);

Inputs/Keyboard.hpp

@@ -39,10 +39,10 @@ class Keyboard {
 		};
 
 		/// Constructs a Keyboard that declares itself to observe all keys.
-		Keyboard();
+		Keyboard(const std::set<Key> &essential_modifiers = {});
 
 		/// Constructs a Keyboard that declares itself to observe only members of @c observed_keys.
-		Keyboard(const std::set<Key> &observed_keys);
+		Keyboard(const std::set<Key> &observed_keys, const std::set<Key> &essential_modifiers);
 
 		// Host interface.
 		virtual void set_key_pressed(Key key, char value, bool is_pressed);
@@ -51,10 +51,18 @@ class Keyboard {
 		/// @returns a set of all Keys that this keyboard responds to.
 		virtual const std::set<Key> &observed_keys();
 
-		/*
+		/// @returns the list of modifiers that this keyboard considers 'essential' (i.e. both mapped and highly used).
+		virtual const std::set<Inputs::Keyboard::Key> &get_essential_modifiers();
+
+		/*!
 			@returns @c true if this keyboard, on its original machine, looked
 			like a complete keyboard — i.e. if a user would expect this keyboard
 			to be the only thing a real keyboard maps to.
+
+			So this would be true of something like the Amstrad CPC, which has a full
+			keyboard, but it would be false of something like the Sega Master System
+			which has some buttons that you'd expect an emulator to map to its host
+			keyboard but which does not offer a full keyboard.
 		*/
 		virtual bool is_exclusive();
 
@@ -68,6 +76,7 @@ class Keyboard {
 
 	private:
 		std::set<Key> observed_keys_;
+		std::set<Key> essential_modifiers_;
 		std::vector<bool> key_states_;
 		Delegate *delegate_ = nullptr;
 		bool is_exclusive_ = true;

Machines/Apple/Macintosh/Keyboard.hpp

@@ -291,7 +291,7 @@ class Keyboard {
 	Provides a mapping from idiomatic PC keys to Macintosh keys.
 */
 class KeyboardMapper: public KeyboardMachine::MappedMachine::KeyboardMapper {
-	uint16_t mapped_key_for_key(Inputs::Keyboard::Key key) override;
+	uint16_t mapped_key_for_key(Inputs::Keyboard::Key key) final;
 };
 
 }

Machines/Apple/Macintosh/Macintosh.cpp

@@ -78,6 +78,11 @@ template <Analyser::Static::Macintosh::Target::Model model> class ConcreteMachin
 		using Target = Analyser::Static::Macintosh::Target;
 
 		ConcreteMachine(const Target &target, const ROMMachine::ROMFetcher &rom_fetcher) :
+			KeyboardMachine::MappedMachine({
+				Inputs::Keyboard::Key::LeftShift, Inputs::Keyboard::Key::RightShift,
+				Inputs::Keyboard::Key::LeftOption, Inputs::Keyboard::Key::RightOption,
+				Inputs::Keyboard::Key::LeftMeta, Inputs::Keyboard::Key::RightMeta,
+			}),
 		 	mc68000_(*this),
 		 	iwm_(CLOCK_RATE),
 		 	video_(audio_, drive_speed_accumulator_),

Machines/KeyboardMachine.cpp

@@ -10,7 +10,7 @@
 
 using namespace KeyboardMachine;
 
-MappedMachine::MappedMachine() {
+MappedMachine::MappedMachine(const std::set<Inputs::Keyboard::Key> &essential_modifiers) : keyboard_(essential_modifiers) {
 	keyboard_.set_delegate(this);
 }
 

Machines/KeyboardMachine.hpp

@@ -11,6 +11,7 @@
 
 #include <cstdint>
 #include <string>
+#include <set>
 
 #include "../Inputs/Keyboard.hpp"
 
@@ -56,7 +57,7 @@ class Machine: public KeyActions {
 */
 class MappedMachine: public Inputs::Keyboard::Delegate, public Machine {
 	public:
-		MappedMachine();
+		MappedMachine(const std::set<Inputs::Keyboard::Key> &essential_modifiers = {});
 
 		/*!
 			A keyboard mapper attempts to provide a physical mapping between host keys and emulated keys.

Machines/MasterSystem/MasterSystem.cpp

@@ -101,7 +101,7 @@ class ConcreteMachine:
 				audio_queue_,
 				sn76489_divider),
 			speaker_(sn76489_),
-			keyboard_({Inputs::Keyboard::Key::Enter, Inputs::Keyboard::Key::Escape}) {
+			keyboard_({Inputs::Keyboard::Key::Enter, Inputs::Keyboard::Key::Escape}, {}) {
 			// Pick the clock rate based on the region.
 			const double clock_rate = target.region == Target::Region::Europe ? 3546893.0 : 3579540.0;
 			speaker_.set_input_rate(static_cast<float>(clock_rate / sn76489_divider));

OSBindings/Mac/Clock Signal.xcodeproj/project.pbxproj

@@ -656,6 +656,7 @@
 		4BCE005D227D30CC000CA200 /* MemoryPacker.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4BCE005B227D30CC000CA200 /* MemoryPacker.cpp */; };
 		4BCE0060227D39AB000CA200 /* Video.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4BCE005E227D39AB000CA200 /* Video.cpp */; };
 		4BCF1FA41DADC3DD0039D2E7 /* Oric.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4BCF1FA21DADC3DD0039D2E7 /* Oric.cpp */; };
+		4BD0FBC3233706A200148981 /* CSApplication.m in Sources */ = {isa = PBXBuildFile; fileRef = 4BD0FBC2233706A200148981 /* CSApplication.m */; };
 		4BD191F42191180E0042E144 /* ScanTarget.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4BD191F22191180E0042E144 /* ScanTarget.cpp */; };
 		4BD191F52191180E0042E144 /* ScanTarget.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4BD191F22191180E0042E144 /* ScanTarget.cpp */; };
 		4BD388882239E198002D14B5 /* 68000Tests.mm in Sources */ = {isa = PBXBuildFile; fileRef = 4BD388872239E198002D14B5 /* 68000Tests.mm */; };
@@ -1095,6 +1096,7 @@
 		4B90467222C6FA31000E2074 /* TestRunner68000.hpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.h; path = TestRunner68000.hpp; sourceTree = "<group>"; };
 		4B90467322C6FADD000E2074 /* 68000BitwiseTests.mm */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.objcpp; path = 68000BitwiseTests.mm; sourceTree = "<group>"; };
 		4B90467522C6FD6E000E2074 /* 68000ArithmeticTests.mm */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.objcpp; path = 68000ArithmeticTests.mm; sourceTree = "<group>"; };
+		4B911A9B2337D8AB00A2BB1D /* CSApplication.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = CSApplication.h; sourceTree = "<group>"; };
 		4B92294222B04A3D00A1458F /* MouseMachine.hpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.h; path = MouseMachine.hpp; sourceTree = "<group>"; };
 		4B92294422B04ACB00A1458F /* Mouse.hpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.h; path = Mouse.hpp; sourceTree = "<group>"; };
 		4B92294A22B064FD00A1458F /* QuadratureMouse.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; path = QuadratureMouse.hpp; sourceTree = "<group>"; };
@@ -1478,6 +1480,7 @@
 		4BCF1FA31DADC3DD0039D2E7 /* Oric.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; name = Oric.hpp; path = Oric/Oric.hpp; sourceTree = "<group>"; };
 		4BD060A51FE49D3C006E14BE /* Speaker.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; path = Speaker.hpp; sourceTree = "<group>"; };
 		4BD0692B22828A2D00D2A54F /* RealTimeClock.hpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.h; path = RealTimeClock.hpp; sourceTree = "<group>"; };
+		4BD0FBC2233706A200148981 /* CSApplication.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = CSApplication.m; sourceTree = "<group>"; };
 		4BD191D9219113B80042E144 /* OpenGL.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; path = OpenGL.hpp; sourceTree = "<group>"; };
 		4BD191F22191180E0042E144 /* ScanTarget.cpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.cpp; path = ScanTarget.cpp; sourceTree = "<group>"; };
 		4BD191F32191180E0042E144 /* ScanTarget.hpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.h; path = ScanTarget.hpp; sourceTree = "<group>"; };
@@ -3005,22 +3008,24 @@
 		4BB73EA01B587A5100552FC2 /* Clock Signal */ = {
 			isa = PBXGroup;
 			children = (
-				4BBFE83B21015D9C00BF1C40 /* Joystick Manager */,
 				4BB73ECF1B587A6700552FC2 /* Clock Signal.entitlements */,
 				4B1414501B58848C00E04248 /* ClockSignal-Bridging-Header.h */,
+				4B911A9B2337D8AB00A2BB1D /* CSApplication.h */,
+				4BD0FBC2233706A200148981 /* CSApplication.m */,
 				4BB73EAD1B587A5100552FC2 /* Info.plist */,
 				4BB73EA11B587A5100552FC2 /* AppDelegate.swift */,
 				4BB73EA81B587A5100552FC2 /* Assets.xcassets */,
 				4B2A538F1D117D36003C6002 /* Audio */,
 				4B643F3D1D77B88000D431D6 /* Document Controller */,
 				4B55CE551C3B7D360093A61B /* Documents */,
+				4BBFE83B21015D9C00BF1C40 /* Joystick Manager */,
 				4B2A53921D117D36003C6002 /* Machine */,
 				4B55DD7F20DF06680043F2E5 /* MachinePicker */,
 				4BB73EAA1B587A5100552FC2 /* MainMenu.xib */,
 				4BE5F85A1C3E1C2500C43F01 /* Resources */,
+				4BDA00DB22E60EE900AC3CD0 /* ROMRequester */,
 				4BD5F1961D1352A000631CD1 /* Updater */,
 				4B55CE5A1C3B7D6F0093A61B /* Views */,
-				4BDA00DB22E60EE900AC3CD0 /* ROMRequester */,
 			);
 			path = "Clock Signal";
 			sourceTree = "<group>";
@@ -4273,6 +4278,7 @@
 				4BB697CB1D4B6D3E00248BDF /* TimedEventLoop.cpp in Sources */,
 				4BDACBEC22FFA5D20045EF7E /* ncr5380.cpp in Sources */,
 				4B54C0C21F8D91CD0050900F /* Keyboard.cpp in Sources */,
+				4BD0FBC3233706A200148981 /* CSApplication.m in Sources */,
 				4BBC951E1F368D83008F4C34 /* i8272.cpp in Sources */,
 				4B89449520194CB3007DE474 /* MachineForTarget.cpp in Sources */,
 				4B4A76301DB1A3FA007AAE2E /* AY38910.cpp in Sources */,

OSBindings/Mac/Clock Signal.xcodeproj/xcshareddata/xcschemes/Clock Signal.xcscheme

@@ -67,7 +67,7 @@
       </Testables>
    </TestAction>
    <LaunchAction
-      buildConfiguration = "Release"
+      buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
       enableASanStackUseAfterReturn = "YES"
@@ -76,8 +76,6 @@
       useCustomWorkingDirectory = "NO"
       ignoresPersistentStateOnLaunch = "NO"
       debugDocumentVersioning = "YES"
-      stopOnEveryThreadSanitizerIssue = "YES"
-      stopOnEveryUBSanitizerIssue = "YES"
       migratedStopOnEveryIssue = "YES"
       debugServiceExtension = "internal"
       allowLocationSimulation = "NO">

OSBindings/Mac/Clock Signal/AppDelegate.swift

@@ -13,16 +13,13 @@ class AppDelegate: NSObject, NSApplicationDelegate {
 
 	func applicationDidFinishLaunching(_ aNotification: Notification) {
 		// Insert code here to initialize your application.
-
-		if NSDocumentController.shared.documents.count == 0 {
-			NSDocumentController.shared.openDocument(self)
-		}
 	}
 
 	func applicationWillTerminate(_ aNotification: Notification) {
 		// Insert code here to tear down your application.
 	}
 
+	private var hasShownOpenDocument = false
 	func applicationShouldOpenUntitledFile(_ sender: NSApplication) -> Bool {
 		// Decline to show the 'New...' selector by default; the 'Open...'
 		// dialogue has already been shown if this application was started
@@ -31,6 +28,10 @@ class AppDelegate: NSObject, NSApplicationDelegate {
 		// Obiter: I dislike it when other applications do this for me, but it
 		// seems to be the new norm, and I've had user feedback that showing
 		// nothing is confusing. So here it is.
+		if !hasShownOpenDocument {
+			NSDocumentController.shared.openDocument(self)
+			hasShownOpenDocument = true
+		}
 		return false
 	}
 }

OSBindings/Mac/Clock Signal/CSApplication.h

@@ -0,0 +1,31 @@
+//
+//  CSApplication.h
+//  Clock Signal
+//
+//  Created by Thomas Harte on 22/09/2019.
+//  Copyright © 2019 Thomas Harte. All rights reserved.
+//
+
+#ifndef CSApplication_h
+#define CSApplication_h
+
+#import <Cocoa/Cocoa.h>
+
+@protocol CSApplicationKeyboardEventDelegate
+- (void)sendEvent:(nonnull NSEvent *)event;
+@end
+
+/*!
+	CSApplication differs from NSApplication in only one regard: it supports a keyboardEventDelegate.
+
+	If a keyboardEventDelegate is installed, all keyboard events — @c NSEventTypeKeyUp,
+	@c NSEventTypeKeyDown and @c NSEventTypeFlagsChanged — will be diverted to it
+	rather than passed through the usual processing. As a result keyboard shortcuts and assistive
+	dialogue navigations won't work.
+*/
+@interface CSApplication: NSApplication
+@property(nonatomic, weak, nullable) id<CSApplicationKeyboardEventDelegate> keyboardEventDelegate;
+@end
+
+
+#endif /* CSApplication_h */

OSBindings/Mac/Clock Signal/CSApplication.m

@@ -0,0 +1,37 @@
+//
+//  Application.m
+//  Clock Signal
+//
+//  Created by Thomas Harte on 21/09/2019.
+//  Copyright © 2019 Thomas Harte. All rights reserved.
+//
+
+#import "CSApplication.h"
+
+@implementation CSApplication
+
+- (void)sendEvent:(NSEvent *)event {
+	// The only reason to capture events here rather than at the window or view
+	// is to divert key combinations such as command+w or command+q in the few
+	// occasions when the user would expect those to affect a running machine
+	// rather than to affect application state.
+	//
+	// Most obviously: when emulating a Macintosh, you'd expect command+q to
+	// quit the application inside the Macintosh, not to quit the emulator.
+
+	switch(event.type) {
+		case NSEventTypeKeyUp:
+		case NSEventTypeKeyDown:
+		case NSEventTypeFlagsChanged:
+			if(self.keyboardEventDelegate) {
+				[self.keyboardEventDelegate sendEvent:event];
+				return;
+			}
+
+		default:
+			[super sendEvent:event];
+	}
+
+}
+
+@end

OSBindings/Mac/Clock Signal/Documents/MachineDocument.swift

@@ -209,8 +209,10 @@ class MachineDocument:
 			openGLView.delegate = self
 			openGLView.responderDelegate = self
 
-			// If this machine has a mouse, enable mouse capture.
+			// If this machine has a mouse, enable mouse capture; also indicate whether usurption
+			// of the command key is desired.
 			openGLView.shouldCaptureMouse = machine.hasMouse
+			openGLView.shouldUsurpCommand = machine.shouldUsurpCommand
 
 			setupAudioQueueClockRate()
 

OSBindings/Mac/Clock Signal/Info.plist

@@ -554,6 +554,6 @@
 	<key>NSMainNibFile</key>
 	<string>MainMenu</string>
 	<key>NSPrincipalClass</key>
-	<string>NSApplication</string>
+	<string>CSApplication</string>
 </dict>
 </plist>

OSBindings/Mac/Clock Signal/Machine/CSMachine.h

@@ -94,6 +94,7 @@ typedef NS_ENUM(NSInteger, CSMachineKeyboardInputMode) {
 
 // Input control.
 @property (nonatomic, readonly) BOOL hasExclusiveKeyboard;
+@property (nonatomic, readonly) BOOL shouldUsurpCommand;
 @property (nonatomic, readonly) BOOL hasJoystick;
 @property (nonatomic, readonly) BOOL hasMouse;
 @property (nonatomic, assign) CSMachineKeyboardInputMode inputMode;

OSBindings/Mac/Clock Signal/Machine/CSMachine.mm

@@ -671,6 +671,14 @@ struct ActivityObserver: public Activity::Observer {
 	return !!_machine->keyboard_machine() && _machine->keyboard_machine()->get_keyboard().is_exclusive();
 }
 
+- (BOOL)shouldUsurpCommand {
+	if(!_machine->keyboard_machine()) return NO;
+
+	const auto essential_modifiers = _machine->keyboard_machine()->get_keyboard().get_essential_modifiers();
+	return	essential_modifiers.find(Inputs::Keyboard::Key::LeftMeta) != essential_modifiers.end() ||
+			essential_modifiers.find(Inputs::Keyboard::Key::RightMeta) != essential_modifiers.end();
+}
+
 #pragma mark - Activity observation
 
 - (void)addLED:(NSString *)led {

OSBindings/Mac/Clock Signal/Views/CSOpenGLView.h

@@ -110,8 +110,22 @@ typedef NS_ENUM(NSInteger, CSOpenGLViewRedrawEvent) {
 @property (atomic, weak, nullable) id <CSOpenGLViewDelegate> delegate;
 @property (nonatomic, weak, nullable) id <CSOpenGLViewResponderDelegate> responderDelegate;
 
+/// Determines whether the view offers mouse capturing — i.e. if the user clicks on the view then
+/// then the system cursor is disabled and the mouse events defined by CSOpenGLViewResponderDelegate
+/// are forwarded, unless and until the user releases the mouse using the control+command shortcut.
 @property (nonatomic, assign) BOOL shouldCaptureMouse;
 
+/// Determines whether the CSOpenGLViewResponderDelegate of this window expects to use the command
+/// key as though it were any other key — i.e. all command combinations should be forwarded to the delegate,
+/// not being allowed to trigger regular application shortcuts such as command+q or command+h.
+///
+/// How the view respects this will depend on other state; if this view is one that captures the mouse then it
+/// will usurp command only while the mouse is captured.
+///
+/// TODO: what's smart behaviour if this view doesn't capture the mouse? Probably
+/// force a similar capturing behaviour?
+@property (nonatomic, assign) BOOL shouldUsurpCommand;
+
 /*!
 	Ends the timer tracking time; should be called prior to giving up the last owning reference
 	to ensure that any retain cycles implied by the timer are resolved.

OSBindings/Mac/Clock Signal/Views/CSOpenGLView.m

@@ -7,10 +7,11 @@
 //
 
 #import "CSOpenGLView.h"
+#import "CSApplication.h"
 @import CoreVideo;
 @import GLKit;
 
-@interface CSOpenGLView () <NSDraggingDestination>
+@interface CSOpenGLView () <NSDraggingDestination, CSApplicationKeyboardEventDelegate>
 @end
 
 @implementation CSOpenGLView {
@@ -139,23 +140,43 @@ static CVReturn DisplayLinkCallback(CVDisplayLinkRef displayLink, const CVTimeSt
 	return YES;
 }
 
+- (void)propagateKeyboardEvent:(NSEvent *)event {
+	switch(event.type) {
+		default: break;
+
+		case kCGEventKeyDown:
+			[self.responderDelegate keyDown:event];
+		break;
+		case kCGEventKeyUp:
+			[self.responderDelegate keyUp:event];
+		break;
+		case kCGEventFlagsChanged:
+			// Release the mouse upon a control + command.
+			if(_mouseIsCaptured &&
+				event.modifierFlags & NSEventModifierFlagControl &&
+				event.modifierFlags & NSEventModifierFlagCommand) {
+				[self releaseMouse];
+			}
+
+			[self.responderDelegate flagsChanged:event];
+		break;
+	}
+}
+
 - (void)keyDown:(NSEvent *)theEvent {
-	[self.responderDelegate keyDown:theEvent];
+	[self propagateKeyboardEvent:theEvent];
 }
 
 - (void)keyUp:(NSEvent *)theEvent {
-	[self.responderDelegate keyUp:theEvent];
+	[self propagateKeyboardEvent:theEvent];
 }
 
 - (void)flagsChanged:(NSEvent *)theEvent {
-	[self.responderDelegate flagsChanged:theEvent];
+	[self propagateKeyboardEvent:theEvent];
+}
 
-	// Release the mouse upon a control + command.
+- (void)sendEvent:(NSEvent *)event {
-	if(_mouseIsCaptured &&
+	[self propagateKeyboardEvent:event];
-		theEvent.modifierFlags & NSEventModifierFlagControl &&
-		theEvent.modifierFlags & NSEventModifierFlagCommand) {
-		[self releaseMouse];
-	}
 }
 
 - (void)paste:(id)sender {
@@ -224,6 +245,7 @@ static CVReturn DisplayLinkCallback(CVDisplayLinkRef displayLink, const CVTimeSt
 		CGAssociateMouseAndMouseCursorPosition(true);
 		[NSCursor unhide];
 		[self.delegate openGLViewDidReleaseMouse:self];
+		((CSApplication *)[NSApplication sharedApplication]).keyboardEventDelegate = nil;
 	}
 }
 
@@ -283,6 +305,9 @@ static CVReturn DisplayLinkCallback(CVDisplayLinkRef displayLink, const CVTimeSt
 			[NSCursor hide];
 			CGAssociateMouseAndMouseCursorPosition(false);
 			[self.delegate openGLViewDidCaptureMouse:self];
+			if(self.shouldUsurpCommand) {
+				((CSApplication *)[NSApplication sharedApplication]).keyboardEventDelegate = self;
+			}
 
 			// Don't report the first click to the delegate; treat that as merely
 			// an invitation to capture the cursor.