/*

    File:       UIHandling.c

    Contains:   Basic RunApplicationEventLoop-based UI handling, Carbon API. Originally

                        based on the sample BasicRAEL supplied in the CarbonLib SDK.

    Disclaimer: IMPORTANT:  This Apple software is supplied to you by Apple Computer, Inc.

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                copyrights in this original Apple software (the "Apple Software"), to use,

                reproduce, modify and redistribute the Apple Software, with or without

                modifications, in source and/or binary forms; provided that if you redistribute

                the Apple Software in its entirety and without modifications, you must retain

                this notice and the following text and disclaimers in all such redistributions of

                the Apple Software.  Neither the name, trademarks, service marks or logos of

                Apple Computer, Inc. may be used to endorse or promote products derived from the

                Apple Software without specific prior written permission from Apple.  Except as

                expressly stated in this notice, no other rights or licenses, express or implied,

                are granted by Apple herein, including but not limited to any patent rights that

                may be infringed by your derivative works or by other works in which the Apple

                Software may be incorporated.

                The Apple Software is provided by Apple on an "AS IS" basis.  APPLE MAKES NO

                WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED

                WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR

                PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN

                COMBINATION WITH YOUR PRODUCTS.

                IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR

                CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE

                GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

                ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION

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                (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN

                ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

    Copyright © 1999-2001 Apple Computer, Inc., All Rights Reserved

*/

#include "MyCarbonPrinting.h"

#include "AppDrawing.h"

#include "NavServicesHandling.h"

#include "UIHandling.h"

#include "PDEHandling.h"

#define kMyApplicationSignature     'DGPT'

#define kMyPrintInfoProperty        'CGDT'

static OSStatus Initialize(void);

static pascal OSErr QuitAppleEventHandler(const AppleEvent *appleEvt, AppleEvent* reply, long refcon);

static pascal OSStatus myWinEvtHndlr(EventHandlerCallRef myHandler, 

                                            EventRef event, void* userData);

static pascal OSStatus DoAppCommandProcess(EventHandlerCallRef nextHandler, 

                                            EventRef theEvent, void* userData);

static OSStatus InstallAppEvents(void);

static void HandleWindowUpdate(WindowRef window, const void *dataP);

static void DoAboutBox(void);

static IBNibRef getOurNibRef(void);

static OSStatus FixupMenus(void);

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

{

#pragma unused (argc, argv)

    OSStatus        err = noErr;

    IBNibRef        nibRef = getOurNibRef();

    if(nibRef){

        // Once the nib reference is created, set the menu bar. "MainMenu" is the name of the menu bar

        // object. This name is set in InterfaceBuilder when the nib is created.

        err = SetMenuBarFromNib(nibRef, CFSTR("MenuBar"));

        require_noerr( err, CantSetMenuBar );

        err = FixupMenus();

        require_noerr( err, CantFixupMeus );

        DrawMenuBar();

        err = Initialize();

        require_noerr( err, CantInitialize );

        // open a document

        err = MakeNewDocument();

        require_noerr( err, CantOpenDocument );

        // Call the event loop

        RunApplicationEventLoop();

    }

CantFixupMeus:

CantSetMenuBar:

CantInitialize:

CantOpenDocument:

    return err;

}

static IBNibRef getOurNibRef(void)

{

    /* the nibRef is a static local global and is only created the first

    time this routine is called but is needed repeatedly during the life

    of our application. getOurNibRef is an accessor for that data.

    */

    static IBNibRef nibRef = NULL;

    if(!nibRef){

        /* Create a Nib reference passing the name of the nib file (without the .nib extension)

            CreateNibReference only searches into the application bundle.

            We need this nib for the life of our application

        */

        OSStatus err = CreateNibReference(CFSTR("main"), &nibRef);

        if(err)

            nibRef = NULL;

    }

    return nibRef;

}

static OSStatus FixupMenus(void)

{

    OSStatus err;

    long        response;

    // see if we should modify quit in accordance with the Aqua HI guidelines

    err = Gestalt(gestaltMenuMgrAttr, &response);

    if ((err == noErr) && (response & gestaltMenuMgrAquaLayoutMask))

    {

    MenuRef fileMenu;

    MenuItemIndex outIndex;

    // find the file menu which contains the Quit command we want to remove

    err = GetIndMenuItemWithCommandID(NULL, kHICommandPrint, 1, &fileMenu, &outIndex); 

    if(!err)

        err = GetIndMenuItemWithCommandID(fileMenu, kHICommandQuit, 1, &fileMenu, &outIndex); 

    if(!err){

        // remove the separator and the quit menu item

        DeleteMenuItem(fileMenu, outIndex);

        DeleteMenuItem(fileMenu, outIndex-1);

    }

    }else

    err = noErr;

    if(!err){

    err = Gestalt(gestaltSystemVersion, &response);

    if(err != noErr || ((0x0000FFFF & response) < 0x1010)){

            // we can't save as PDF unless we are executing on MacOS X v10.1 or later

        DisableMenuCommand(NULL, kHICommandSave);   

        }else{

            err = noErr;

        }

    }

    return err;

}

static OSStatus Initialize()

{

    OSErr err = noErr;

    InitCursor();

    err = AEInstallEventHandler(kCoreEventClass, kAEQuitApplication, 

                            NewAEEventHandlerUPP(QuitAppleEventHandler), 0, FALSE);

    if (!err)

        err = InstallAppEvents();

    return err;

}

WindowRef MakeWindow(const void *refCon)

{

    WindowRef   window = NULL;  // initialize to NULL

    OSStatus err = noErr;

    EventTypeSpec   list[] = {

                                    {kEventClassWindow, kEventWindowClose },

                                    { kEventClassWindow, kEventWindowDrawContent },

                                    { kEventClassWindow, kEventWindowBoundsChanged }

                                };

    static EventHandlerUPP winEvtHandler = NULL;        // window event handler

    // if we haven't already made our window event handler UPP then do so now

    if(!winEvtHandler){

        winEvtHandler = NewEventHandlerUPP(myWinEvtHndlr);

        if(!winEvtHandler)

        err = memFullErr;

    }

    if(!err)

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

    if(!err){

        EventHandlerRef ref;

        err = InstallWindowEventHandler(window, winEvtHandler, 

                sizeof(list)/sizeof(EventTypeSpec), list, NULL, &ref);

        // attach our document data to the window

        if(!err)err = SetWindowProperty(window,  

                kMyApplicationSignature, kMyPrintInfoProperty,

                sizeof(refCon),

                &refCon);

        if(err){

        DisposeWindow(window);

        window = NULL;

        }

        }

        return window;

}

static OSStatus InstallAppEvents(void)

{

    EventTypeSpec  eventType;

        OSStatus err = noErr;

        EventHandlerUPP appCommandProcess = NewEventHandlerUPP(DoAppCommandProcess);    // Command-process event handler

        if(appCommandProcess){

            eventType.eventClass = kEventClassCommand;

            eventType.eventKind = kEventCommandProcess;

            InstallApplicationEventHandler(appCommandProcess, 1, &eventType, NULL, NULL);

        }else

            err = memFullErr;

        return err;

}

static pascal OSStatus myWinEvtHndlr(EventHandlerCallRef myHandler, 

                                                EventRef event, void* userData)

{

#pragma unused (myHandler, userData)

    WindowRef           window;

    OSStatus            result = eventNotHandledErr;

    GetEventParameter(event, kEventParamDirectObject, typeWindowRef, NULL, 

                                                        sizeof(window), NULL, &window);

    switch(GetEventKind(event)){

        case kEventWindowDrawContent:

        {

            void *ourDataP = GetOurWindowProperty(window);

            if(ourDataP){

                HandleWindowUpdate(window, ourDataP);

                result = noErr;

            }

        }

            break;

    case kEventWindowBoundsChanged:

    {

        Rect bounds;

        InvalWindowRect(window, GetWindowPortBounds(window, &bounds));

    }

        break;

        case kEventWindowClose:

            (void)DisposeWindowPrivateData(GetOurWindowProperty(window));

            DisposeWindow(window);

            result = noErr;

            break;

    default:

        break;

    }

    return result;

}

// Handle command-process events at the application level

pascal OSStatus DoAppCommandProcess(EventHandlerCallRef nextHandler, 

                                            EventRef theEvent, void* userData)

{

#pragma unused (nextHandler, userData)

    HICommand   aCommand;

    OSStatus    result = eventNotHandledErr;

    GetEventParameter(theEvent, kEventParamDirectObject, typeHICommand, NULL, 

                                                        sizeof(HICommand), NULL, &aCommand);

    switch (aCommand.commandID)

    {

    case kHICommandAbout:

        DoAboutBox();

        result = noErr; 

        break;

    case kHICommandNew:

        (void)MakeNewDocument();

        result = noErr;

        break;

    case kHICommandSave:

        {

            WindowRef w = FrontWindow();

            void *ourDataP = GetOurWindowProperty(w);

            if(ourDataP){

                (void)DoSaveAsPDF(w, ourDataP);

                result = noErr;

            }

        }

        break;

    case kHICommandPageSetup:

    {

        WindowRef w = FrontWindow();

        void *ourDataP = GetOurWindowProperty(w);

        if(ourDataP){

        (void)DoPageSetup(w, ourDataP);

        result = noErr;

        }

    }

        break;

    case kHICommandPrint:

    {

        WindowRef w = FrontWindow();

        void *ourDataP = GetOurWindowProperty(w);

        if(ourDataP){

        (void)DoPrint(w, ourDataP, kDoPrintWithPrintDialog);

        result = noErr;

        }

    }

        break;

        case kMyMenuCommandPrintOne:

    {

        WindowRef w = FrontWindow();

        void *ourDataP = GetOurWindowProperty(w);

        if(ourDataP){

        (void)DoPrint(w, ourDataP, kDoPrintOne);

        result = noErr;

        }

    }

        break;

    case kHICommandQuit:

        QuitApplicationEventLoop();

        result = noErr;

        break;

    default:

        break;

    }

    HiliteMenu(0);

    return result;

}

static void HandleWindowUpdate(WindowRef window, const void *ourPrivateDataP)

{

    if(ourPrivateDataP){

    Rect bounds;

    PageDrawProc *drawProc = GetMyDrawPageProc(ourPrivateDataP); // get the draw proc

    CGrafPtr savePort;

    GetPort(&savePort);

    SetPortWindowPort(window);

    EraseRect(GetWindowPortBounds(window, &bounds));

        // this code always draws page 1 on screen

    (void)drawProc(ourPrivateDataP, &bounds, 1);    

    SetPort(savePort);

    }

}

static pascal OSErr QuitAppleEventHandler(const AppleEvent *appleEvt, 

                                                    AppleEvent* reply, long refcon)

{

#pragma unused (appleEvt, reply, refcon)

    QuitApplicationEventLoop();

//#pragma noreturn (QuitAppleEventHandler)

        return 128;

}

void *GetOurWindowProperty(WindowRef window)

{

    void *ourDataP = NULL;

    if(window){

        UInt32 infoSize = sizeof(void *);

        if(noErr != GetWindowProperty(window,  

                            kMyApplicationSignature, kMyPrintInfoProperty,

                            infoSize, NULL,

                            &ourDataP))

        {

            ourDataP = NULL;

        }

    }

    return ourDataP;

}

static void DoAboutBox()

{   

    CFStringRef ourString = NULL;

    SInt16      alertItemHit = 0;

    Str255      stringBuf;

/*

    If this code were Mac OS X only we could use CreateStandardAlert

    together with RunStandardAlert instead of having to get a

    Pascal string corresponding to our CFStringRef for use with

    Standard Alert

*/

    ourString =  CFCopyLocalizedString(kAboutBoxStringKey, NULL);

    if (ourString != NULL)

    {

    if (CFStringGetPascalString (ourString, stringBuf, 

                                    sizeof(stringBuf), GetApplicationTextEncoding()))

    {

        StandardAlert(kAlertStopAlert, stringBuf, NULL, NULL, &alertItemHit);

    }

    CFRelease (ourString);                             

    }

}

void DoErrorAlert(OSStatus status, CFStringRef errorFormatString)

{   

    CFStringRef formatStr = NULL, printErrorMsg = NULL;

    SInt16      alertItemHit = 0;

    Str255      stringBuf;

/*

    If this code were Mac OS X only we could use CreateStandardAlert

    together with RunStandardAlert instead of having to get a

    Pascal string corresponding to our CFStringRef for use with

    Standard Alert

*/

    if ((status != noErr) && (status != kPMCancel))           

    {

        formatStr =  CFCopyLocalizedString (errorFormatString, NULL);   

    if (formatStr != NULL)

        {

            printErrorMsg = CFStringCreateWithFormat(        

                       NULL, NULL, 

                       formatStr, status);

            if (printErrorMsg != NULL)

            {

                if (CFStringGetPascalString (printErrorMsg,    

                              stringBuf, sizeof(stringBuf), 

                              GetApplicationTextEncoding()))

        {

                    StandardAlert(kAlertStopAlert, stringBuf, 

                                NULL, NULL, &alertItemHit);

        }

                CFRelease (printErrorMsg);                     

            }

           CFRelease (formatStr);                             

        }

    }

}