/*

    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.

                ("Apple") in consideration of your agreement to the following terms, and your

                use, installation, modification or redistribution of this Apple software

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                please do not use, install, modify or redistribute this Apple software.

                In consideration of your agreement to abide by the following terms, and subject

                to these terms, Apple grants you a personal, non-exclusive license, under AppleÕs

                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

                OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT, TORT

                (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"

#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 gNibRef;

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

{

#pragma unused (argc, argv)

    OSStatus        err;

    long        response;

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

    // CreateNibReference only searches into the application bundle.

    err = CreateNibReference(CFSTR("main"), &gNibRef);

    require_noerr( err, CantGetNibRef );

    // 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(gNibRef, CFSTR("MenuBar"));

    require_noerr( err, CantSetMenuBar );

    // 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);

    }

    }

    DrawMenuBar();

    err = Initialize();

    require_noerr( err, CantInitialize );

    // open a document

    err = MakeNewDocument();

    require_noerr( err, CantOpenDocument );

    // Call the event loop

    RunApplicationEventLoop();

CantSetMenuBar:

CantGetNibRef:

CantInitialize:

CantOpenDocument:

    DoErrorAlert(err, kMyCantInitializeAppKey);

    return err;

}

static OSStatus Initialize()

{

    OSErr err = noErr;

    InitCursor();

    err = AEInstallEventHandler(kCoreEventClass, kAEQuitApplication, 

                            NewAEEventHandlerUPP(QuitAppleEventHandler), 0, false);

    if (!err)

        err = InstallAppEvents();

    if(!err)

        err = CreateSheetDoneProcs();

    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(gNibRef, 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;

    EventHandlerUPP gAppCommandProcess = NewEventHandlerUPP(DoAppCommandProcess);

    eventType.eventClass = kEventClassCommand;

    eventType.eventKind = kEventCommandProcess;

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

        return noErr;

}

static pascal OSStatus myWinEvtHndlr(EventHandlerCallRef myHandler, EventRef event, void* userData)

{

#pragma unused (myHandler, userData)

    WindowRef           window = NULL;

    OSStatus            result = eventNotHandledErr;

    UInt32          eventKind;

    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:

        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:

        result = eventNotHandledErr;

        break;

    }

      HiliteMenu(0);

      return result;

}

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

{

    if(ourPrivateDataP){

    Rect bounds;

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

    CGrafPtr savePort;

    GetPort(&savePort);

    SetPortWindowPort(window);

    EraseRect(GetWindowPortBounds(window, &bounds));

    (void)drawProc(ourPrivateDataP, &bounds, 1);    // this code always draws page 1 on screen

    SetPort(savePort);

    }

}

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

{

#pragma unused (appleEvt, reply, refcon)

    QuitApplicationEventLoop();

//#pragma noreturn (QuitAppleEventHandler)

        return 128;

}

static void DoAboutBox()

{   

    CFStringRef ourString = NULL;

    SInt16      alertItemHit = 0;

    Str255      stringBuf;

    ourString =  CFCopyLocalizedString(kAboutBoxStringKey, NULL);

    if (ourString != NULL)

    {

    if (CFStringGetPascalString (ourString, stringBuf, sizeof(stringBuf), GetApplicationTextEncoding()))

    {

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

    }

    CFRelease (ourString);                             

    }

}

void *GetOurWindowProperty(WindowRef window)

{

    UInt32 infoSize = sizeof(void *), actualSize;

    void *ourDataP = NULL;

    if(noErr != GetWindowProperty(window,  

            kMyApplicationSignature, kMyPrintInfoProperty,

            infoSize, &actualSize,

            &ourDataP))

    {

    ourDataP = NULL;

    }

    return ourDataP;

}

void DoErrorAlert(OSStatus status, CFStringRef errorFormatString)

{   

    CFStringRef formatStr = NULL, printErrorMsg = NULL;

    SInt16      alertItemHit = 0;

    Str255      stringBuf;

    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);                             

        }

    }

}