/*

File: PrefsDialog.c

Abstract: Handles all Dialog related functions for the Demo.

Version: 7.0

Change History:

    <7.0>   removed all code specific to PEF

            removed all code specific to Mac OS X prior to 10.3

    <6.0>   replaced menu item enabling/disabling with menu command 

            enabling/disabling (because we aren't setting menu IDs 

            in our nib which makes it impossible to use GetMenuRef)

            converted the Mach-O version to use an Interface Builder 

            nib interface (which technically means we're using a 

            window now and not a dialog)

            changed the dialog's window event handler to handle 

            commands instead of control hits

            changed ClosePrefsDialog and 

            RedrawPrefsDialogDataBrowser to take a window instead of 

            a dialog

            removed handleDialogItemHit and put its necessary 

            functionality into dialogEventHandler

            added support for HIView/compositing mode

    <5.0>   converted everything from a List Box control to a Data 

            Browser control

            removed changePanel and listBoxControlEventHandler

            renamed RedrawPrefsDialogList to 

            RedrawPrefsDialogDataBrowser which doesn't actually draw 

            the data browser but rather just invalidates its content 

            rectangle

    <4.0>   removed all Classic code

            removed HandleDialogEvents and dialogFilter

            adjusted the RunningInMacOSX dependent stuff

    <3.0>   converted the Carbon version to use Carbon Events and 

            standard handlers

            added dialogEventHandler and listBoxControlEventHandler 

            to support Carbon Events

            the Carbon Event model doesn't mix all that well with 

            the Dialog Manager, as a workaround we gave the controls 

            Control IDs that match their Dialog Item IDs

    <2.0>   Carbonized

            we have to register our list definition procedure in 

            Carbon because code resources are unsupported

            also we have to flush the QuickDraw port after our calls 

            to HiliteControl

    <1.0>   first release version

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*/

#include "ExamplePrefs.h"

#include "IconDBUtilities.h"

#include "PrefsDialog.h"

static EventHandlerUPP gDialogEventHandler;

static pascal OSStatus dialogEventHandler(EventHandlerCallRef nextHandler, EventRef event, 

                                            void *prefsDialogWindow);

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

void  OpenPrefsDialog(void)

{

    OSStatus error;

    IBNibRef nib;

    WindowRef dialogWindow;

    FourCharCode prefsWindowKind = kPrefsWindowKindDialog;

    ControlRef control;

    HIViewRef userPanes[10];

    UInt16 panelIndex;

    HIViewID iconDataBrowserID = {kAppSignature, iIconDataBrowser};

    EventTypeSpec dialogEvents[] = {

                                    {kEventClassCommand, kEventCommandProcess}

                                   };

    error = CreateNibReference(CFSTR("PrefsDialog"), &nib);

    if (error != noErr)

        ExitToShell();

    error = CreateWindowFromNib(nib, CFSTR("PrefsDlg"), &dialogWindow);

    if (error != noErr)

        ExitToShell();

    DisposeNibReference(nib);

    SetWindowProperty(dialogWindow, kAppSignature, kPrefsWindowKindTag, sizeof(FourCharCode), 

                        &prefsWindowKind);

    RepositionWindow(dialogWindow, NULL, kWindowCascadeOnMainScreen);

    SetPortWindowPort(dialogWindow);

    HIViewFindByID(HIViewGetRoot(dialogWindow), kHIViewWindowContentID, &control);

    userPanes[0] = HIViewGetLastSubview(control);                           // get the first 

    for (panelIndex = kStdCancelItemIndex; panelIndex <= iUserPane1; panelIndex++)  // user 

        userPanes[0] = HIViewGetPreviousView(userPanes[0]);                         // pane

    for (panelIndex = 1; panelIndex < kNumberOfRows; panelIndex++)  // get the rest of them

        userPanes[panelIndex] = HIViewGetPreviousView(userPanes[panelIndex - 1]);

    HIViewFindByID(control, iconDataBrowserID, &control);

    SetupIconDataBrowser(control, userPanes);

    SetKeyboardFocus(dialogWindow, control, kControlFocusNextPart);

    gDialogEventHandler = NewEventHandlerUPP(dialogEventHandler);

    InstallWindowEventHandler(dialogWindow, gDialogEventHandler, GetEventTypeCount(dialogEvents), 

                                dialogEvents, (void *)dialogWindow, NULL);

    DisableMenuCommand(NULL, kCommandPrDlg);

    ShowWindow(dialogWindow);

} // OpenPrefsDialog

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

void ClosePrefsDialog(WindowRef prefsDialogWindow)

{

    ControlRef iconDataBrowser;

    HIViewID iconDataBrowserID = {kAppSignature, iIconDataBrowser};

    HideWindow(prefsDialogWindow);

    HIViewFindByID(HIViewGetRoot(prefsDialogWindow), iconDataBrowserID, &iconDataBrowser);

    ReleaseIconDataBrowserItemData(iconDataBrowser);

    DisposeEventHandlerUPP(gDialogEventHandler);

    DisposeWindow(prefsDialogWindow);

    EnableMenuCommand(NULL, kCommandPrDlg);

}

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

void RedrawPrefsDialogDataBrowser(WindowRef prefsDialogWindow)

{

    HIViewID iconDataBrowserID = {kAppSignature, iIconDataBrowser};

    HIViewRef iconDataBrowser;

    HIViewFindByID(HIViewGetRoot(prefsDialogWindow), iconDataBrowserID, &iconDataBrowser);

    HIViewSetNeedsDisplay(iconDataBrowser, true);

}

#pragma mark -

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

static pascal OSStatus dialogEventHandler(EventHandlerCallRef nextHandler, EventRef event, 

                                            void *prefsDialogWindow)

{

#pragma unused (nextHandler)

    OSStatus result = eventNotHandledErr;

    UInt32 eventClass, eventKind;

    HICommand command;

    eventClass = GetEventClass(event);

    eventKind = GetEventKind(event);

    switch (eventClass)

    {

        case kEventClassCommand:

            switch (eventKind)

            {

                case kEventCommandProcess:

                    GetEventParameter(event, kEventParamDirectObject, typeHICommand, NULL, 

                                        sizeof(HICommand), NULL, &command);

                    switch (command.commandID)

                    {

                        case kHICommandOK:

                        case kHICommandCancel:

                            ClosePrefsDialog((WindowRef)prefsDialogWindow);

                            result = noErr;

                            break;

                    }

                    break;

            }

            break;

    }

    return result;

}