C++ InstallWindowEventHandler函数代码示例

bool CARBON_GUI::init_controls() {
	int i;
	for(i=0;i<MAIN_CONTROLS_NUM;i++) {
		err = GetControlByID(window,&mainControlsID[i],&mainControls[i]);
		if(err != noErr) {
		//	printf("%d - %d - %d \n",i,mainControlsID[i].id,err);
			msg->error("Can't get control for button %d (%d)",i,err);
		}
	}
	
	/* By default start with live output enabled */
	jmix->set_lineout(true);
	SetControlValue(mainControls[SNDOUT_BUT],1);

	/* install main event handler+ */
	err = InstallWindowEventHandler (window, 
            NewEventHandlerUPP (MainWindowEventHandler), 
            GetEventTypeCount(events), events, 
            this, NULL);
	if(err != noErr) msg->error("Can't install main eventHandler");
	
	/* install main command handler */
    err = InstallWindowEventHandler (window, 
            NewEventHandlerUPP (MainWindowCommandHandler), 
            GetEventTypeCount(commands), commands, 
            this, NULL);
	if(err != noErr) msg->error("Can't install main commandHandler");
}

void QuartzWindow::init_events() {
  _my_event_handler_upp = NewEventHandlerUPP(::handle_event);
  OSStatus e = InstallWindowEventHandler(my_window(), _my_event_handler_upp, 0, NULL, this, &_my_event_handler);
  if (e != noErr) fatal1("could not install event handler: %d\n", e);
  
  _my_spy_event_handler_upp = NewEventHandlerUPP(::handle_spy_event);
  e = InstallWindowEventHandler(my_window(), _my_spy_event_handler_upp, 0, NULL, this, &_my_spy_event_handler);
  if (e != noErr) fatal1("could not install spy event handler: %d\n", e);
}

/* initialize the status window (used to show console messages in the graphic environment */
void CARBON_GUI::setupStatusWindow() 
{
	OSStatus err=CreateWindowFromNib(nibRef,CFSTR("StatusWindow"),&statusWindow);
	if(err!=noErr) msg->error("Can't create status window (%d)!!",err);
	//SetDrawerParent(statusWindow,window);
	//SetDrawerPreferredEdge(statusWindow,kWindowEdgeBottom);
	//SetDrawerOffsets(statusWindow,20,20);
	
	/* install an eventHandler to intercept close requests */
	err = InstallWindowEventHandler (statusWindow, 
		NewEventHandlerUPP (StatusWindowEventHandler), 
		GetEventTypeCount(statusEvents), statusEvents, this, NULL);
	if(err != noErr) msg->error("Can't install status window eventHandler");
	
	/* and then install a command handler (to handle "clear" requests) */
	err=InstallWindowEventHandler(statusWindow,NewEventHandlerUPP(StatusWindowCommandHandler),
		GetEventTypeCount(commands),commands,this,NULL);
		
	/* obtain an HIViewRef for the status text box ... we have to use it 
	 * to setup various properties and to obain a TXNObject needed to manage its content */
	const ControlID txtid={ CARBON_GUI_APP_SIGNATURE, STATUS_TEXT_ID };
	err= HIViewFindByID(HIViewGetRoot(statusWindow), txtid, &statusTextView);
	if(err!=noErr) return;// msg->warning("Can't get textView for status window (%d)!!",err);
	statusText = HITextViewGetTXNObject(statusTextView);
	if(!statusText) {
		msg->error("Can't get statusText object from status window!!");
	}
//	TXNControlTag iControlTags[1] = { kTXNAutoScrollBehaviorTag };
//	TXNControlData iControlData[1] = { kTXNAutoScrollNever }; //kTXNAutoScrollWhenInsertionVisible };
//	err = TXNSetTXNObjectControls(statusText,false,1,iControlTags,iControlData);
	//TextViewSetObjectControlData
	//TextViewSetObjectControlData(statusText,kTXNAutoScrollBehaviorTag,kUn kTXNAutoScrollWhenInsertionVisible)
	/* setup status text font size and color */
	// Create type attribute data structure
	UInt32   fontSize = 10 << 16; // needs to be in Fixed format
	TXNAttributeData fsData,fcData;
	fsData.dataValue=fontSize;
	fcData.dataPtr=(void *)&black;
	TXNTypeAttributes attributes[] = {
		//{ kTXNQDFontStyleAttribute, kTXNQDFontStyleAttributeSize, bold },
		{ kTXNQDFontColorAttribute, kTXNQDFontColorAttributeSize,fcData}, //&lgrey },
		{ kTXNQDFontSizeAttribute, kTXNFontSizeAttributeSize,fsData }
	};
	err= TXNSetTypeAttributes( statusText, 2, attributes,
		kTXNStartOffset,kTXNEndOffset );
		
	/* block user input in the statusText box */
	TXNControlTag tags[] = { kTXNNoUserIOTag };
	TXNControlData vals[] = { kTXNReadOnly };
	err=TXNSetTXNObjectControls(statusText,false,1,tags,vals);
	if(err!=noErr) msg->error("Can't set statusText properties (%d)!!",err);
	// TXNSetScrollbarState(statusText,kScrollBarsAlwaysActive);
		
	//struct TXNBackground bg = {  kTXNBackgroundTypeRGB, black };
	//TXNSetBackground(statusText,&bg);
}

static
OSStatus InstallWindowEventHandlers( WindowRef windowRef )
{
	static const EventTypeSpec 	inputEventSpec[] = { 
		{ kEventClassTextInput, kEventTextInputUnicodeForKeyEvent } };
		
	static const EventTypeSpec	windowEventSpec[] = {
		{ kEventClassWindow, kEventWindowClosed },
		{ kEventClassWindow, kEventWindowBoundsChanged } };

	static const EventTypeSpec	viewEventSpec[] = {
		{ kEventClassControl,	kEventControlDraw } };

	OSStatus 			err;
	DrawContextStruct	*newContext;

	// allocate a new draw context
	newContext = calloc( 1, sizeof( DrawContextStruct ) );
	require_action( newContext != NULL, InstallWindowEventHandlers_err,
		err = paramErr );
	
	HIViewFindByID(HIViewGetRoot(windowRef), myHIViewID, &newContext->viewRef);
	newContext->windowRef = windowRef;
	
	
	// install a key event handler
	err = InstallWindowEventHandler( windowRef, NewEventHandlerUPP( HandleKeyEvent ), GetEventTypeCount( inputEventSpec ), inputEventSpec, (void *) newContext, NULL );
	require_noerr( err, InstallWindowEventHandlersEvent_err );
	
	// install a general window event handler
	err = InstallWindowEventHandler( windowRef, NewEventHandlerUPP( HandleWindowEvent ), GetEventTypeCount( windowEventSpec ), windowEventSpec, (void *) newContext, NULL );
	require_noerr( err, InstallWindowEventHandlersEvent_err );
	
	// install handler for the HI view
	err = HIViewInstallEventHandler( newContext->viewRef, NewEventHandlerUPP( HandleViewEvent ), GetEventTypeCount( viewEventSpec ), viewEventSpec, (void *) newContext, NULL);
	require_noerr( err, InstallWindowEventHandlersEvent_err );
	
	// also, set the context as the window refcon
	SetWRefCon( windowRef, (SRefCon) newContext );

	return noErr;
	
InstallWindowEventHandlersEvent_err:

	// make sure that if we're bailing to get rid of the allocated buffer
	free( newContext );

InstallWindowEventHandlers_err:
	
	return err;

}

OPL_Dialog::OPL_Dialog(CFStringRef resname):
	m_window(0), m_status(true)
{
	OSStatus err;
	static EventTypeSpec dialog_events[] = {
		{ kEventClassCommand, kEventCommandProcess },
		{ kEventClassWindow, kEventWindowClose },
		{ kEventClassControl, kEventControlHit },
	};

	// create and show preferences dialog
	err = CreateWindowFromNib(g_main_nib, resname, &m_window);
	require_noerr(err, error);

	static EventHandlerUPP g_eventHandlerUPP = NULL;
	if (g_eventHandlerUPP == NULL)
		g_eventHandlerUPP = NewEventHandlerUPP(eventHandler);

	// install control event handler
	err = InstallWindowEventHandler(getWindow(), g_eventHandlerUPP,
		GetEventTypeCount(dialog_events), dialog_events, this, NULL);
	require_noerr(err, error);

error:
	/* do nothing */;
}

//	Creates an overlay window which will move with its parent.  This technique is typical for doing things like drawing on top of movies,
//	creating selection rectangles, drawing on top of GL windows, etc.
static	void	CreateOverlayWindow( WindowRef window )
{
	OSStatus					err;
	Rect						windowRect;
	WindowStorage				*windowStorage		= (WindowStorage*) GetWRefCon( window );
    WindowAttributes			overlayAttributes	= kWindowNoShadowAttribute | kWindowIgnoreClicksAttribute | kWindowNoActivatesAttribute | kWindowStandardHandlerAttribute;
	static	EventHandlerUPP		overlayWindowEventHandlerUPP;
	const EventTypeSpec	windowEvents[]	=
	    {
			{ kEventClassWindow, kEventWindowBoundsChanged },
			{ kEventClassWindow, kEventWindowShown },
			{ kEventClassWindow, kEventWindowClose }
		};

    SetPortWindowPort( window );
	GetWindowPortBounds( window, &windowRect );
	LocalToGlobalRect( &windowRect );											//	Window to be size of window it lies on
	err	= CreateNewWindow( kOverlayWindowClass, overlayAttributes, &windowRect, &windowStorage->overlayWindow );	
	if ( err != noErr ) goto Bail;

	SetWindowGroup( windowStorage->overlayWindow, GetWindowGroup(window) );		//	Put them in the same group so that their window layers are consistent

	if ( overlayWindowEventHandlerUPP == NULL ) overlayWindowEventHandlerUPP	= NewEventHandlerUPP( OverlayWindowEventHandlerProc );
	err	= InstallWindowEventHandler( windowStorage->overlayWindow, overlayWindowEventHandlerUPP, GetEventTypeCount(windowEvents), windowEvents, windowStorage, NULL );

	ShowWindow( windowStorage->overlayWindow );
Bail:
	return;
}

static	void	DisplaySimpleWindow( void )
{
	OSErr					err;
	WindowRef				window;
	WindowStorage			*windowStorage;
	WindowGroupRef			windowGroup;
	static	EventHandlerUPP	simpleWindowEventHandlerUPP;
	const EventTypeSpec	windowEvents[]	=
	    {
			{ kEventClassCommand, kEventCommandProcess },
			{ kEventClassWindow, kEventWindowClickContentRgn },
			{ kEventClassWindow, kEventWindowBoundsChanging },
			{ kEventClassWindow, kEventWindowBoundsChanged },
			{ kEventClassWindow, kEventWindowClose }
		};
	
	err	= CreateWindowFromNib( g.mainNib, CFSTR("MainWindow"), &window );
	if ( (err != noErr) || (window == NULL) )	goto Bail;
	
	if ( simpleWindowEventHandlerUPP == NULL ) simpleWindowEventHandlerUPP	= NewEventHandlerUPP( SimpleWindowEventHandlerProc );
	err	= InstallWindowEventHandler( window, simpleWindowEventHandlerUPP, GetEventTypeCount(windowEvents), windowEvents, window, NULL );

	windowStorage	= (WindowStorage*) NewPtrClear( sizeof(WindowStorage) );
	SetWRefCon( window, (long) windowStorage );

	err	= CreateWindowGroup( kWindowGroupAttrMoveTogether | kWindowGroupAttrLayerTogether | kWindowGroupAttrHideOnCollapse, &windowGroup );
	if ( err == noErr )	err	= SetWindowGroupParent( windowGroup, g.windowGroups[1] );		//	Default group
	if ( err == noErr )	err	= SetWindowGroup( window, windowGroup );

	ShowWindow( window );

Bail:
	return;
}

OSStatus
TabbedWindow::RegisterWindowCarbonEventhandler()
{
    OSStatus status = paramErr;
    WindowRef window = this->GetWindow();
	
    static const EventTypeSpec windowEvents[] =
    {
        { kEventClassWindow, kEventWindowActivated },
        { kEventClassWindow, kEventWindowDeactivated },
        { kEventClassWindow, kEventWindowClose },
        { kEventClassWindow, kEventControlHit },
        { kEventClassControl, kEventControlHit },
        { kEventClassCommand, kEventProcessCommand },
        { kEventClassMenu, kEventMenuOpening }
    };
    
    // install the window event handler
    if( window != NULL )
    {
        status = InstallWindowEventHandler( window, NewEventHandlerUPP(EventHandlerProc), 
                                            GetEventTypeCount( windowEvents ), windowEvents,
                                            this, &fHandler );
    }
    return status;
}

bool AquaGui::createWindow(const char* title, int width, int height)
{
	CFStringRef	windowTitle = NULL;
	OSStatus	result;
	Rect		theBounds = {0, 0, 0, 0};

	EventTypeSpec     eventType;                 // Specifier for event type
	EventHandlerUPP   handlerUPP;                // Pointer to event handler routine
 
        _width = width;
        _height = height;

	SetRect(&theBounds, 0, 0, width, height);
	OSStatus status = CreateNewWindow ( kDocumentWindowClass,
                    	 kWindowStandardDocumentAttributes 
                       | kWindowStandardHandlerAttribute,
                    	&theBounds,
                    	&myWindow);

	windowTitle = CFStringCreateWithCString(NULL, title, NULL);
	result = SetWindowTitleWithCFString(myWindow, windowTitle);
	if(windowTitle != NULL)CFRelease(windowTitle);

	createMenu();
	
	eventType.eventClass = kEventClassWindow;          // Set event class
	eventType.eventKind  = kEventWindowClose;          // Set event kind
	handlerUPP = NewEventHandlerUPP(DoWindowClose);    // Point to handler
	InstallWindowEventHandler (myWindow, handlerUPP,  // Install handler
                                 1, &eventType,
                                 NULL, NULL);
 	assert(_glue.prepDrawingArea(_width, _height, GetWindowPort(myWindow)));

    return true;
}

PreferencesDialog::PreferencesDialog(WindowRef	windowRef, WindowRef mainWindowRef) :
	preferencesWindow(windowRef),
	mainWindow(mainWindowRef),
	m_dataBase(NULL),
	m_dataBaseCopy(NULL),
	midiin(NULL)
{
    EventTypeSpec eventSpec[] = {{kEventClassCommand,kEventCommandProcess}, 
								 {kEventClassControl, kEventControlHit}, 
								 {kEventClassWindow, kEventWindowClose}};

	InstallWindowEventHandler(windowRef, 
							  NewEventHandlerUPP(WindowEventHandler),
							  sizeof(eventSpec)/sizeof(EventTypeSpec), 
							  (EventTypeSpec*)&eventSpec, 
							  (void*)this, 
							  NULL);

	// Create RtMidi instance for querying device information
	try 
	{
		midiin = new RtMidiIn();
	}
	catch (RtMidiError &error) 
	{
		error.printMessage();
		midiin = NULL;
	}	

	initDataBase();
}

static void Initialize( void )
{
    EventLoopTimerRef   timerRef;
    EventTypeSpec       eventTypeSpec = { kEventClassWindow, kEventWindowClose };
    Rect                bounds;
    WindowRef           window;

    InitCursor();

    //  Create a window and install an event handler to handle the close button.

    SetRect( &bounds, 50, 50, 600, 200 );
    CreateNewWindow( kDocumentWindowClass,
                     kWindowCloseBoxAttribute + kWindowStandardHandlerAttribute,
                     &bounds,
                     &window );
    SetWTitle( window, "\pPlugIn Host -- Close Window To Quit" );
    InstallWindowEventHandler( window, NewEventHandlerUPP( MyCloseHandler ), 1, &eventTypeSpec,
                               NULL, NULL );
							   
    //	Create a timer to handle ball-drawing in the window.
	
    InstallEventLoopTimer( GetCurrentEventLoop(), kEventDurationSecond, kEventDurationSecond,
                           NewEventLoopTimerUPP( MyTimerHandler ), window, &timerRef );

    ShowWindow( window );
}

void MakeWindow(IBNibRef 	nibRef)
{
    WindowRef	window;
    OSStatus		err;
    EventHandlerRef	ref;
    EventTypeSpec	winEvents[] = { { kEventClassCommand, kEventCommandProcess },
                                                { kEventClassWindow, kEventWindowClose },
                                                { kEventClassWindow, kEventWindowDrawContent },
                                                { kEventClassWindow, kEventWindowBoundsChanged }, 
                                                { kEventClassMovieExtractState, kEventKQueue } };

    err = CreateWindowFromNib(nibRef, CFSTR("Window"), &window);
    mWindow = window;

    mWinEventHandler = NewEventHandlerUPP(WindowEventHandler);
    err = InstallWindowEventHandler(window, mWinEventHandler, GetEventTypeCount( winEvents ), winEvents, 0, &ref);

    ControlRef control;

    err = GetControlByID( window, &kPlayBtnID, &control );
    mButtonRef = control;

    err = GetControlByID( window, &kMovNameTxtID, &control );
    mMovNameRef = control;

    ShowWindow(window);
}

void Shell::EventLoop(ShellIdleFunction idle_function)
{
	OSStatus error;
	error = InstallApplicationEventHandler(NewEventHandlerUPP(InputMacOSX::EventHandler),
										   GetEventTypeCount(INPUT_EVENTS),
										   INPUT_EVENTS,
										   NULL,
										   NULL);
	if (error != noErr)
		DisplayError("Unable to install handler for input events, error: %d.", error);

	error = InstallWindowEventHandler(window,
									  NewEventHandlerUPP(EventHandler),
									  GetEventTypeCount(WINDOW_EVENTS),
									  WINDOW_EVENTS,
									  NULL,
									  NULL);
	if (error != noErr)
		DisplayError("Unable to install handler for window events, error: %d.", error);

	EventLoopTimerRef timer;
	error = InstallEventLoopIdleTimer(GetMainEventLoop(),							// inEventLoop
									  0,											// inFireDelay
									  5 * kEventDurationMillisecond,				// inInterval (200 Hz)
									  NewEventLoopIdleTimerUPP(IdleTimerCallback),	// inTimerProc
									  (void*) idle_function,						// inTimerData,
									  &timer										// outTimer
									  );
	if (error != noErr)
		DisplayError("Unable to install Carbon event loop timer, error: %d.", error);

	RunApplicationEventLoop();
}

bool8 NPServerDialog (void)
{
	OSStatus	err;
	IBNibRef	nibRef;

	npserver.dialogcancel = true;

	err = CreateNibReference(kMacS9XCFString, &nibRef);
	if (err == noErr)
	{
		WindowRef	tWindowRef;

		err = CreateWindowFromNib(nibRef, CFSTR("ClientList"), &tWindowRef);
		if (err == noErr)
		{
			EventHandlerRef		eref;
			EventLoopTimerRef	tref;
			EventHandlerUPP		eventUPP;
			EventLoopTimerUPP	timerUPP;
			EventTypeSpec		windowEvents[] = { { kEventClassCommand, kEventCommandProcess      },
												   { kEventClassCommand, kEventCommandUpdateStatus } };
			HIViewRef			ctl;
			HIViewID			cid = { 'Chse', 0 };

			npserver.dialogprocess = kNPSDialogInit;

			eventUPP = NewEventHandlerUPP(NPServerDialogEventHandler);
			err = InstallWindowEventHandler(tWindowRef, eventUPP, GetEventTypeCount(windowEvents), windowEvents, (void *) tWindowRef, &eref);

			timerUPP = NewEventLoopTimerUPP(NPServerDialogTimerHandler);
			err = InstallEventLoopTimer(GetCurrentEventLoop(), 0.0f, 0.1f, timerUPP, (void *) tWindowRef, &tref);

			HIViewFindByID(HIViewGetRoot(tWindowRef), cid, &ctl);
			HIViewSetVisible(ctl, false);

			MoveWindowPosition(tWindowRef, kWindowServer, false);
			ShowWindow(tWindowRef);
			err = RunAppModalLoopForWindow(tWindowRef);
			HideWindow(tWindowRef);
			SaveWindowPosition(tWindowRef, kWindowServer);

			err = RemoveEventLoopTimer(tref);
			DisposeEventLoopTimerUPP(timerUPP);

			err = RemoveEventHandler(eref);
			DisposeEventHandlerUPP(eventUPP);

			CFRelease(tWindowRef);
		}

		DisposeNibReference(nibRef);
	}

	return (!npserver.dialogcancel);
}

bool LLCrashLoggerMac::init(void)
{	
	bool ok = LLCrashLogger::init();
	if(!ok) return false;
	if(mCrashBehavior != CRASH_BEHAVIOR_ASK) return true;
	
	// Real UI...
	OSStatus err;
	
	err = CreateNibReference(CFSTR("CrashReporter"), &nib);
	
	if(err == noErr)
	{
		err = CreateWindowFromNib(nib, CFSTR("CrashReporter"), &gWindow);
	}

	if(err == noErr)
	{
		// Set focus to the edit text area
		ControlRef textField = NULL;
		ControlID id;

		id.signature = 'text';
		id.id = 0;
		
		// Don't set err if any of this fails, since it's non-critical.
		if(GetControlByID(gWindow, &id, &textField) == noErr)
		{
			SetKeyboardFocus(gWindow, textField, kControlFocusNextPart);
		}
	}
	
	if(err == noErr)
	{
		ShowWindow(gWindow);
	}
	
	if(err == noErr)
	{
		// Set up an event handler for the window.
		EventTypeSpec handlerEvents[] = 
		{
			{ kEventClassCommand, kEventCommandProcess }
		};

		InstallWindowEventHandler(
				gWindow, 
				NewEventHandlerUPP(dialogHandler), 
				GetEventTypeCount (handlerEvents), 
				handlerEvents, 
				0, 
				&gEventHandler);
	}
	return true;
}