/*

File: main.c

Abstract:  Event handling & main entry point for HITextViewDemo sample project.

Version: <1.0>

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*/

#include "nav.h"

#include "document_window.h"

#include "window_transparency.h"

// Forward declaration for our event handler

OSStatus MyHICommandEventHandler(EventHandlerCallRef nextHandler, EventRef theEvent, void* userData);

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

// Main entry point. Creates first window, runs overall app event loop.

//

int main(int argc, char* argv[])

{

    IBNibRef nibRef;

    EventTypeSpec eventType;

    // Install the menubar

    verify_noerr( CreateNibReference(CFSTR("main"), &nibRef) );

    verify_noerr( SetMenuBarFromNib(nibRef, CFSTR("MenuBar")) );

    DisposeNibReference(nibRef);

    // Install an event handler for HICommand events

    eventType.eventClass = kEventClassCommand;

    eventType.eventKind = kEventCommandProcess;

    verify_noerr( InstallEventHandler(GetApplicationEventTarget(), NewEventHandlerUPP(MyHICommandEventHandler), 1, &eventType, NULL, NULL) );

    // Create the first document window

    (void)MyCreateNewDocumentWindow();

    // Main event loop

    RunApplicationEventLoop();

    return 0;

}

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

// Application-wide handler for HICommand events.

//

OSStatus MyHICommandEventHandler(EventHandlerCallRef nextHandler, EventRef theEvent, void* userData)

{

    HICommand command;

    CFURLRef file = NULL;

    CFDictionaryRef dataOptions = NULL;

    WindowRef window = NULL;

    OSStatus status = noErr;

    status = GetEventParameter(theEvent, kEventParamDirectObject, typeHICommand, NULL, sizeof(HICommand), NULL, &command);

    require_noerr( status, CantGetEventParameter );

    switch (command.commandID)

    {

        // **** NEW

        case kHICommandNew:

            (void)MyCreateNewDocumentWindow();

            break;

        // **** OPEN

        case kHICommandOpen:

            file = GetOpenFileFromUser();

            if (file == NULL) break;

            window = MyCreateNewDocumentWindow();

            if (window == NULL) break;

            // <<< Insert file open code here >>>

            TXNClearUndo(HITextViewGetTXNObject(GetTextViewFromWindow(window)));

            verify_noerr( SetWindowModified(window, false) );

            SetWindowTitleAndProxyFromCFURL(window, file);

            CFRelease(file);

            break;

        // **** SAVE and SAVE AS

        case kHICommandSave:

        case kHICommandSaveAs:

            window = GetFrontWindowOfClass(kDocumentWindowClass, true);

            if ( window == NULL ) break;

            if ( command.commandID == kHICommandSave )

                file = GetWindowProxyFileCFURL(window);

            if (file == NULL) file = GetSaveFileFromUser(window);

            if (file == NULL) break;

            // <<< Insert file save code here >>>

            TXNClearUndo(HITextViewGetTXNObject(GetTextViewFromWindow(window)));

            verify_noerr( SetWindowModified(window, false) );

            SetWindowTitleAndProxyFromCFURL(window, file);

            CFRelease(file);

            break;

        // **** REVERT

        case kHICommandRevert:

            window = GetFrontWindowOfClass(kDocumentWindowClass, true);

            if ( window == NULL ) break;

            TXNRevert(HITextViewGetTXNObject(GetTextViewFromWindow(window)));

            verify_noerr( SetWindowModified(window, false) );

            break;

        // Page setup and print do not work because this comes from an HITextView, see MLTE documentation

        case kHICommandPageSetup:

            //verify_noerr( TXNPageSetup(HITextViewGetTXNObject(GetTextViewFromWindow(GetFrontWindowOfClass(kDocumentWindowClass, true)))) );

            break;

        case kHICommandPrint:

            //verify_noerr( TXNPrint(HITextViewGetTXNObject(GetTextViewFromWindow(GetFrontWindowOfClass(kDocumentWindowClass, true)))) );

            break;

        default:

            status = eventNotHandledErr;

            break;

    }

CantGetEventParameter:

    return status;

}