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modalDialogHandler.c
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modalDialogHandler.c
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/*
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 constitutes acceptance of these terms. If you do not agree with
these terms, 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.
*/
#include <Carbon/Carbon.h>
#include "mainWindowHandler.h"
#include "modalDialogHandler.h"
// Create, show and run modally our dialog window
OSStatus CreateDialogWindow()
{
IBNibRef nibRef;
EventTypeSpec dialogSpec = {kEventClassCommand, kEventCommandProcess };
WindowRef dialogWindow;
EventHandlerUPP dialogUPP;
OSStatus err = noErr;
// Find the dialog nib
err = CreateNibReference(CFSTR("dialog"), &nibRef);
require_noerr( err, CantFindDialogNib );
// Load the window inside it
err = CreateWindowFromNib(nibRef, CFSTR("dialog"), &dialogWindow);
require_noerr( err, CantCreateDialogWindow );
// We don't need the nib reference anymore.
DisposeNibReference(nibRef);
// Install our event handler
dialogUPP = NewEventHandlerUPP (DialogWindowEventHandler);
err = InstallWindowEventHandler (dialogWindow, dialogUPP, 1, &dialogSpec, (void *) dialogWindow, NULL);
require_noerr( err, CantInstallDialogHandler );
// Show the window
ShowWindow( dialogWindow );
// Run modally
RunAppModalLoopForWindow(dialogWindow);
HideWindow(dialogWindow);
DisposeWindow(dialogWindow);
DisposeEventHandlerUPP(dialogUPP);
CantFindDialogNib:
CantCreateDialogWindow:
CantInstallDialogHandler:
return err;
}
// Dialog event handler
pascal OSStatus DialogWindowEventHandler (EventHandlerCallRef myHandler, EventRef event, void *userData)
{
OSStatus result = eventNotHandledErr;
HICommand command;
bool stopModalLoop = FALSE;
// Get the HI Command
GetEventParameter (event, kEventParamDirectObject, typeHICommand, NULL,
sizeof (HICommand), NULL, &command);
// Look for our 'YES ' and 'NO ' commands
switch (command.commandID)
{
case 'YES ':
HandleResponse(TRUE);
stopModalLoop = TRUE;
result = noErr;
break;
case 'NO ':
HandleResponse(FALSE);
stopModalLoop = TRUE;
result = noErr;
break;
}
// Stop the modal loop.
if (stopModalLoop)
{
QuitAppModalLoopForWindow((WindowRef)userData);
}
//Return how we handled the event.
return result;
}