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/*
* tkMacOSXCarbonEvents.c --
*
* This file implements functions that register for and handle
* various Carbon Events. The reason a separate set of handlers
* is necessary is that not all interesting events get delivered
* directly to the event queue through ReceiveNextEvent. Some only
* get delivered if you register a Carbon Event Handler for the event.
*
* Copyright 2001, Apple Computer, Inc.
*
* The following terms apply to all files originating from Apple
* Computer, Inc. ("Apple") and associated with the software
* unless explicitly disclaimed in individual files.
*
*
* Apple hereby grants permission to use, copy, modify,
* distribute, and license this software and its documentation
* for any purpose, provided that existing copyright notices are
* retained in all copies and that this notice is included
* verbatim in any distributions. No written agreement, license,
* or royalty fee is required for any of the authorized
* uses. Modifications to this software may be copyrighted by
* their authors and need not follow the licensing terms
* described here, provided that the new terms are clearly
* indicated on the first page of each file where they apply.
*
*
* IN NO EVENT SHALL APPLE, THE AUTHORS OR DISTRIBUTORS OF THE
* SOFTWARE BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, SPECIAL,
* INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF
* THIS SOFTWARE, ITS DOCUMENTATION, OR ANY DERIVATIVES THEREOF,
* EVEN IF APPLE OR THE AUTHORS HAVE BEEN ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE. APPLE, THE AUTHORS AND
* DISTRIBUTORS SPECIFICALLY DISCLAIM ANY WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. THIS
* SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, AND APPLE,THE
* AUTHORS AND DISTRIBUTORS HAVE NO OBLIGATION TO PROVIDE
* MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
* GOVERNMENT USE: If you are acquiring this software on behalf
* of the U.S. government, the Government shall have only
* "Restricted Rights" in the software and related documentation
* as defined in the Federal Acquisition Regulations (FARs) in
* Clause 52.227.19 (c) (2). If you are acquiring the software
* on behalf of the Department of Defense, the software shall be
* classified as "Commercial Computer Software" and the
* Government shall have only "Restricted Rights" as defined in
* Clause 252.227-7013 (c) (1) of DFARs. Notwithstanding the
* foregoing, the authors grant the U.S. Government and others
* acting in its behalf permission to use and distribute the
* software in accordance with the terms specified in this
* license.
*
* RCS: @(#) $Id: tkMacOSXCarbonEvents.c,v 1.4 2005/09/10 14:53:20 das Exp $
*/
#include "tkInt.h"
#include "tkMacOSXInt.h"
#include "tkMacOSXEvent.h"
#include "tkMacOSXDebug.h"
/*
#ifdef TK_MAC_DEBUG
#define TK_MAC_DEBUG_CARBON_EVENTS
#endif
*/
/* Declarations of functions used only in this file */
static OSStatus CarbonEventHandlerProc (
EventHandlerCallRef callRef,
EventRef inEvent,
void *userData);
/*
*----------------------------------------------------------------------
*
* CarbonEventHandlerProc --
*
* This procedure is the handler for all registered CarbonEvents.
*
* Results:
* None.
*
* Side effects:
* Dispatches CarbonEvents.
*
*----------------------------------------------------------------------
*/
static OSStatus
CarbonEventHandlerProc (
EventHandlerCallRef callRef,
EventRef inEvent,
void *inUserData)
{
OSStatus result = eventNotHandledErr;
TkMacOSXEvent macEvent;
MacEventStatus eventStatus;
#ifdef TK_MAC_DEBUG_CARBON_EVENTS
char buf [256];
CarbonEventToAscii(inEvent, buf);
fprintf(stderr, "CarbonEventHandlerProc started handling %s\n", buf);
_DebugPrintEvent(inEvent);
#endif /* TK_MAC_DEBUG_CARBON_EVENTS */
macEvent.eventRef = inEvent;
macEvent.eClass = GetEventClass(macEvent.eventRef);
macEvent.eKind = GetEventKind(macEvent.eventRef);
macEvent.interp = (Tcl_Interp *) inUserData;
bzero(&eventStatus, sizeof(eventStatus));
TkMacOSXProcessEvent(&macEvent,&eventStatus);
if (eventStatus.stopProcessing) {
result = noErr;
}
#ifdef TK_MAC_DEBUG_CARBON_EVENTS
fprintf(stderr, "CarbonEventHandlerProc finished handling %s: %s handled\n", buf,
eventStatus.stopProcessing ? " " : "not");
#endif /* TK_MAC_DEBUG_CARBON_EVENTS */
return result;
}
/*
*----------------------------------------------------------------------
*
* TkMacOSXInitCarbonEvents --
*
* This procedure initializes all CarbonEvent handlers.
*
* Results:
* None.
*
* Side effects:
* Handlers for Carbon Events are registered.
*
*----------------------------------------------------------------------
*/
MODULE_SCOPE void
TkMacOSXInitCarbonEvents (
Tcl_Interp *interp)
{
const EventTypeSpec dispatcherEventTypes[] = {
{kEventClassMouse, kEventMouseDown},
{kEventClassMouse, kEventMouseUp},
{kEventClassMouse, kEventMouseMoved},
{kEventClassMouse, kEventMouseDragged},
{kEventClassMouse, kEventMouseWheelMoved},
{kEventClassWindow, kEventWindowUpdate},
{kEventClassWindow, kEventWindowActivated},
{kEventClassWindow, kEventWindowDeactivated},
{kEventClassKeyboard, kEventRawKeyDown},
{kEventClassKeyboard, kEventRawKeyRepeat},
{kEventClassKeyboard, kEventRawKeyUp},
{kEventClassKeyboard, kEventRawKeyModifiersChanged},
{kEventClassKeyboard, kEventRawKeyRepeat},
{kEventClassApplication, kEventAppActivated},
{kEventClassApplication, kEventAppDeactivated},
{kEventClassApplication, kEventAppQuit},
{kEventClassAppleEvent, kEventAppleEvent},
};
const EventTypeSpec applicationEventTypes[] = {
{kEventClassWindow, kEventWindowExpanded},
{kEventClassApplication, kEventAppHidden},
{kEventClassApplication, kEventAppShown},
};
EventHandlerUPP handler = NewEventHandlerUPP(CarbonEventHandlerProc);
InstallEventHandler(GetEventDispatcherTarget(), handler,
GetEventTypeCount(dispatcherEventTypes), dispatcherEventTypes,
(void *) interp, NULL);
InstallEventHandler(GetApplicationEventTarget(), handler,
GetEventTypeCount(applicationEventTypes), applicationEventTypes,
(void *) interp, NULL);
#ifdef TK_MAC_DEBUG_CARBON_EVENTS
_TraceEventByName(CFSTR("kEventMouseDown"));
_TraceEventByName(CFSTR("kEventMouseUp"));
_TraceEventByName(CFSTR("kEventMouseMoved"));
_TraceEventByName(CFSTR("kEventMouseDragged"));
_TraceEventByName(CFSTR("kEventMouseWheelMoved"));
_TraceEventByName(CFSTR("kEventWindowUpdate"));
_TraceEventByName(CFSTR("kEventWindowActivated"));
_TraceEventByName(CFSTR("kEventWindowDeactivated"));
_TraceEventByName(CFSTR("kEventRawKeyDown"));
_TraceEventByName(CFSTR("kEventRawKeyRepeat"));
_TraceEventByName(CFSTR("kEventRawKeyUp"));
_TraceEventByName(CFSTR("kEventRawKeyModifiersChanged"));
_TraceEventByName(CFSTR("kEventRawKeyRepeat"));
_TraceEventByName(CFSTR("kEventAppActivated"));
_TraceEventByName(CFSTR("kEventAppDeactivated"));
_TraceEventByName(CFSTR("kEventAppQuit"));
_TraceEventByName(CFSTR("kEventAppleEvent"));
_TraceEventByName(CFSTR("kEventWindowExpanded"));
_TraceEventByName(CFSTR("kEventAppHidden"));
_TraceEventByName(CFSTR("kEventAppShown"));
#endif /* TK_MAC_DEBUG_CARBON_EVENTS */
}
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