/*

File: EventViewController.m

Abstract: Source for maintaining the NSTextField inside the HICocoaView.

Version: 1.0

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*/

#import "EditViewController.h"

#import "common.h"

@implementation EditViewController

// -------------------------------------------------------------------------------

//  MyEventHandler

//

//  This is our event handler that captures the custom Carbon Event from the

//  Carbon side.

// -------------------------------------------------------------------------------

OSStatus MyEventHandler(EventHandlerCallRef nextHandler, EventRef inEvent, void* userData)

{

    OSStatus status = eventNotHandledErr;

    NSTextField* targetEditField = (NSTextField*)userData;

    if (targetEditField != nil)

    {

        switch (GetEventClass(inEvent))

        {

            case kEventClassCustom:

            {

                switch (GetEventKind(inEvent))

                {

                    case kEventCustomCharTyped:

                    {

                        UniChar mUnicodeText[255];

                        UInt32 bytecount = 0;

                        verify_noerr(GetEventParameter(inEvent, kEventParamKeyUnicodes, typeUnicodeText, NULL, sizeof(mUnicodeText), &bytecount, (char*)&mUnicodeText));

                        NSString* finalStr = [NSString stringWithCharacters:mUnicodeText length:bytecount/2];

                        [targetEditField setStringValue: finalStr];

                        break;

                    }

                }

                break;

            }

        }

    }

    return status;

}

// -------------------------------------------------------------------------------

//  awakeFromNib:

// -------------------------------------------------------------------------------

- (void)awakeFromNib

{

    // install our event handler to listen for characters typed

    static const EventTypeSpec kMyEvents[] = { { kEventClassCustom, kEventCustomCharTyped } };

    InstallEventHandler(GetApplicationEventTarget(), NewEventHandlerUPP(MyEventHandler), GetEventTypeCount(kMyEvents), kMyEvents, (void*)editField, NULL);

}

NSString *CustomEventNotification = @"CustomEventNotification";

// -------------------------------------------------------------------------------

//  controlTextDidChange:

//

//  The object in our notification if the NSTextField.

//  Forward this "text changed" event to the Carbon side using NSNotification.

// -------------------------------------------------------------------------------

- (void)controlTextDidChange:(NSNotification*)notification

{

    NSTextField* notif_obj = [notification object];

    NSString* newStr = [notif_obj stringValue];

    // tell our Carbon Window and HITextView that the text in NSTextField has changed:

    NSDictionary* notifInfo = [NSDictionary dictionaryWithObject:newStr forKey:@"changedText"];

    [[NSNotificationCenter defaultCenter] postNotificationName:CustomEventNotification object:nil userInfo:notifInfo];

}

@end