+++ /dev/null
-/*
- * tkMacOSXNotify.c --
- *
- * This file contains the implementation of a tcl event source
- * for the AppKit event loop.
- *
- * Copyright (c) 1995-1997 Sun Microsystems, Inc.
- * Copyright 2001-2009, Apple Inc.
- * Copyright (c) 2005-2009 Daniel A. Steffen <das@users.sourceforge.net>
- *
- * See the file "license.terms" for information on usage and redistribution
- * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
- */
-
-#include "tkMacOSXPrivate.h"
-#include "tkMacOSXEvent.h"
-#include <tclInt.h>
-#include <pthread.h>
-#import <objc/objc-auto.h>
-
-typedef struct ThreadSpecificData {
- int initialized, sendEventNestingLevel;
- NSEvent *currentEvent;
-} ThreadSpecificData;
-static Tcl_ThreadDataKey dataKey;
-
-#define TSD_INIT() ThreadSpecificData *tsdPtr = \
- Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData))
-
-static void TkMacOSXNotifyExitHandler(ClientData clientData);
-static void TkMacOSXEventsSetupProc(ClientData clientData, int flags);
-static void TkMacOSXEventsCheckProc(ClientData clientData, int flags);
-
-#pragma mark TKApplication(TKNotify)
-
-@interface NSApplication(TKNotify)
-- (void) _modalSession: (NSModalSession) session sendEvent: (NSEvent *) event;
-@end
-
-@implementation NSWindow(TKNotify)
-- (id) tkDisplayIfNeeded
-{
- if (![self isAutodisplay]) {
- [self displayIfNeeded];
- }
- return nil;
-}
-@end
-
-@implementation TKApplication(TKNotify)
-- (NSEvent *) nextEventMatchingMask: (NSUInteger) mask
- untilDate: (NSDate *) expiration inMode: (NSString *) mode
- dequeue: (BOOL) deqFlag
-{
- NSAutoreleasePool *pool = [NSAutoreleasePool new];
-
- [NSApp makeWindowsPerform:@selector(tkDisplayIfNeeded) inOrder:NO];
-
- int oldMode = Tcl_SetServiceMode(TCL_SERVICE_ALL);
- NSEvent *event = [[super nextEventMatchingMask:mask untilDate:expiration
- inMode:mode dequeue:deqFlag] retain];
-
- Tcl_SetServiceMode(oldMode);
- if (event) {
- TSD_INIT();
- if (tsdPtr->sendEventNestingLevel) {
- if (![NSApp tkProcessEvent:event]) {
- [event release];
- event = nil;
- }
- }
- }
- [pool drain];
- return [event autorelease];
-}
-
-- (void) sendEvent: (NSEvent *) theEvent
-{
- TSD_INIT();
- int oldMode = Tcl_SetServiceMode(TCL_SERVICE_ALL);
-
- tsdPtr->sendEventNestingLevel++;
- [super sendEvent:theEvent];
- tsdPtr->sendEventNestingLevel--;
- Tcl_SetServiceMode(oldMode);
- [NSApp tkCheckPasteboard];
-}
-@end
-
-#pragma mark -
-\f
-/*
- *----------------------------------------------------------------------
- *
- * GetRunLoopMode --
- *
- * Results:
- * RunLoop mode that should be passed to -nextEventMatchingMask:
- *
- * Side effects:
- * None.
- *
- *----------------------------------------------------------------------
- */
-
-static NSString *
-GetRunLoopMode(NSModalSession modalSession)
-{
- NSString *runLoopMode = nil;
-
- if (modalSession) {
- runLoopMode = NSModalPanelRunLoopMode;
- } else if (TkMacOSXGetCapture()) {
- runLoopMode = NSEventTrackingRunLoopMode;
- }
- if (!runLoopMode) {
- runLoopMode = [[NSRunLoop currentRunLoop] currentMode];
- }
- if (!runLoopMode) {
- runLoopMode = NSDefaultRunLoopMode;
- }
- return runLoopMode;
-}
-\f
-/*
- *----------------------------------------------------------------------
- *
- * Tk_MacOSXSetupTkNotifier --
- *
- * This procedure is called during Tk initialization to create
- * the event source for TkAqua events.
- *
- * Results:
- * None.
- *
- * Side effects:
- * A new event source is created.
- *
- *----------------------------------------------------------------------
- */
-
-void
-Tk_MacOSXSetupTkNotifier(void)
-{
- TSD_INIT();
-
- if (!tsdPtr->initialized) {
- tsdPtr->initialized = 1;
-
- /*
- * Install TkAqua event source in main event loop thread.
- */
-
- if (CFRunLoopGetMain() == CFRunLoopGetCurrent()) {
- if (!pthread_main_np()) {
- /*
- * Panic if main runloop is not on the main application thread.
- */
-
- Tcl_Panic("Tk_MacOSXSetupTkNotifier: %s",
- "first [load] of TkAqua has to occur in the main thread!");
- }
- Tcl_CreateEventSource(TkMacOSXEventsSetupProc,
- TkMacOSXEventsCheckProc, GetMainEventQueue());
- TkCreateExitHandler(TkMacOSXNotifyExitHandler, NULL);
- Tcl_SetServiceMode(TCL_SERVICE_ALL);
- TclMacOSXNotifierAddRunLoopMode(NSEventTrackingRunLoopMode);
- TclMacOSXNotifierAddRunLoopMode(NSModalPanelRunLoopMode);
- }
- }
-}
-\f
-/*
- *----------------------------------------------------------------------
- *
- * TkMacOSXNotifyExitHandler --
- *
- * This function is called during finalization to clean up the
- * TkMacOSXNotify module.
- *
- * Results:
- * None.
- *
- * Side effects:
- * None.
- *
- *----------------------------------------------------------------------
- */
-
-static void
-TkMacOSXNotifyExitHandler(
- ClientData clientData) /* Not used. */
-{
- TSD_INIT();
-
- Tcl_DeleteEventSource(TkMacOSXEventsSetupProc,
- TkMacOSXEventsCheckProc, GetMainEventQueue());
- tsdPtr->initialized = 0;
-}
-\f
-/*
- *----------------------------------------------------------------------
- *
- * TkMacOSXEventsSetupProc --
- *
- * This procedure implements the setup part of the TkAqua Events event
- * source. It is invoked by Tcl_DoOneEvent before entering the notifier
- * to check for events.
- *
- * Results:
- * None.
- *
- * Side effects:
- * If TkAqua events are queued, then the maximum block time will be set
- * to 0 to ensure that the notifier returns control to Tcl.
- *
- *----------------------------------------------------------------------
- */
-
-static void
-TkMacOSXEventsSetupProc(
- ClientData clientData,
- int flags)
-{
- if (flags & TCL_WINDOW_EVENTS &&
- ![[NSRunLoop currentRunLoop] currentMode]) {
- static const Tcl_Time zeroBlockTime = { 0, 0 };
- TSD_INIT();
-
- if (!tsdPtr->currentEvent) {
- NSEvent *currentEvent = [NSApp nextEventMatchingMask:NSAnyEventMask
- untilDate:[NSDate distantPast]
- inMode:GetRunLoopMode(TkMacOSXGetModalSession())
- dequeue:YES];
-
- if (currentEvent) {
- tsdPtr->currentEvent =
- TkMacOSXMakeUncollectableAndRetain(currentEvent);
- }
- }
- if (tsdPtr->currentEvent) {
- Tcl_SetMaxBlockTime(&zeroBlockTime);
- }
- }
-}
-\f
-/*
- *----------------------------------------------------------------------
- *
- * TkMacOSXEventsCheckProc --
- *
- * This procedure processes events sitting in the TkAqua event queue.
- *
- * Results:
- * None.
- *
- * Side effects:
- * Moves applicable queued TkAqua events onto the Tcl event queue.
- *
- *----------------------------------------------------------------------
- */
-
-static void
-TkMacOSXEventsCheckProc(
- ClientData clientData,
- int flags)
-{
- if (flags & TCL_WINDOW_EVENTS &&
- ![[NSRunLoop currentRunLoop] currentMode]) {
- NSEvent *currentEvent = nil;
- NSAutoreleasePool *pool = nil;
- NSModalSession modalSession;
-
- TSD_INIT();
- if (tsdPtr->currentEvent) {
- currentEvent = TkMacOSXMakeCollectableAndAutorelease(
- tsdPtr->currentEvent);
- }
- do {
- modalSession = TkMacOSXGetModalSession();
- if (!currentEvent) {
- currentEvent = [NSApp nextEventMatchingMask:NSAnyEventMask
- untilDate:[NSDate distantPast]
- inMode:GetRunLoopMode(modalSession) dequeue:YES];
- }
- if (!currentEvent) {
- break;
- }
- [currentEvent retain];
- pool = [NSAutoreleasePool new];
- if (tkMacOSXGCEnabled) {
- objc_clear_stack(0);
- }
- if (![NSApp tkProcessEvent:currentEvent]) {
- [currentEvent release];
- currentEvent = nil;
- }
- if (currentEvent) {
-#ifdef TK_MAC_DEBUG_EVENTS
- TKLog(@" event: %@", currentEvent);
-#endif
- if (modalSession) {
- [NSApp _modalSession:modalSession sendEvent:currentEvent];
- } else {
- [NSApp sendEvent:currentEvent];
- }
- [currentEvent release];
- currentEvent = nil;
- }
- [pool drain];
- pool = nil;
- } while (1);
- }
-}
-\f
-/*
- * Local Variables:
- * mode: objc
- * c-basic-offset: 4
- * fill-column: 79
- * coding: utf-8
- * End:
- */
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