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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

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

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MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS

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*/

#include "Prompt.h"

// Structure used for communication between our prompt function

// and the alert panel event handler

struct PanelInfo

};

static OSStatus InputPanelHandler( EventHandlerCallRef inCallRef, EventRef inEvent, void* inUserData );

static const ControlID kPromptLabelID = { 'INPU', 1 };

static const ControlID kTextFieldID = { 'INPU', 2 };

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

// Prompt

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

// Put up a modal panel and request some text.

//

CFStringRef

Prompt( CFStringRef inPrompt, CFStringRef inDefaultText )

{

IBNibRef nibRef;

OSStatus err;

WindowRef window;

EventTypeSpec kEvents[] = { { kEventClassCommand, kEventCommandProcess } };

PanelInfo info;

HIViewRef view;

info.window = window;

info.string = NULL;

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

require_noerr( err, CantGetNibRef );

err = CreateWindowFromNib( nibRef, CFSTR( "Prompt" ), &window );

require_noerr( err, CantCreateWindow );

DisposeNibReference( nibRef );

if ( inPrompt )

{

HIViewFindByID( HIViewGetRoot( window ), kPromptLabelID, &view );

SetControlData( view, 0, kControlStaticTextCFStringTag, sizeof( CFStringRef ), &inPrompt );

}

HIViewFindByID( HIViewGetRoot( window ), kTextFieldID, &view );

if ( inDefaultText )

SetControlData( view, 0, kControlEditTextCFStringTag, sizeof( CFStringRef ), &inDefaultText );

SetKeyboardFocus( window, view, kControlFocusNextPart );

InstallWindowEventHandler( window, InputPanelHandler, GetEventTypeCount( kEvents ),

kEvents, &info, NULL );

ShowWindow( window );

info.window = window;

RunAppModalLoopForWindow( window );

DisposeWindow( window );

CantCreateWindow:

CantGetNibRef:

return info.string;

}

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

// InputPanelHandler

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

// Deal with events in our prompt panel. We merely respond to the cancel and OK commands

// that are sent from the push buttons and terminate our modal loop. If OK is pressed,

// we get the string and store it in our PanelInfo structure.

//

static OSStatus

InputPanelHandler( EventHandlerCallRef inCallRef, EventRef inEvent, void* inUserData )

{

HICommand command;

OSStatus result = eventNotHandledErr;

PanelInfo* info = (PanelInfo*)inUserData;

GetEventParameter( inEvent, kEventParamDirectObject, typeHICommand, NULL,

sizeof( HICommand ), NULL, &command );

if ( command.commandID == kHICommandCancel )

{

QuitAppModalLoopForWindow( info->window );

result = noErr;

}

else if ( command.commandID == kHICommandOK )

{

HIViewRef textField;

HIViewFindByID( HIViewGetRoot( info->window ), kTextFieldID, &textField );

GetControlData( textField, 0, kControlEditTextCFStringTag, sizeof( CFStringRef ), &info->string, NULL );

QuitAppModalLoopForWindow( info->window );

}

return result;

}