Automated update from Qt3

1 files changed, 618 insertions, 0 deletions

diff --git a/src/kernel/qeventloop_x11_glib.cpp b/src/kernel/qeventloop_x11_glib.cpp
new file mode 100644
index 000000000..62584d2a0
--- /dev/null
+++ b/src/kernel/qeventloop_x11_glib.cpp
@@ -0,0 +1,618 @@
+/**
+** TQt->glib main event loop integration by Norbert Frese 2005
+** code based on qeventloop_x11.cpp 3.3.5
+**
+*/
+
+/****************************************************************************
+** $Id: qt/qeventloop_x11_glib.cpp
+**
+** Implementation of TQEventLoop class
+**
+** Copyright (C) 2000-2005 Trolltech AS.  All rights reserved.
+**
+** This file is part of the kernel module of the TQt GUI Toolkit.
+**
+** This file may be distributed under the terms of the Q Public License
+** as defined by Trolltech AS of Norway and appearing in the file
+** LICENSE.TQPL included in the packaging of this file.
+**
+** This file may be distributed and/or modified under the terms of the
+** GNU General Public License version 2 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.
+**
+** Licensees holding valid TQt Enterprise Edition or TQt Professional Edition
+** licenses for Unix/X11 may use this file in accordance with the TQt Commercial
+** License Agreement provided with the Software.
+**
+** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+**
+** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
+**   information about TQt Commercial License Agreements.
+** See http://www.trolltech.com/qpl/ for TQPL licensing information.
+** See http://www.trolltech.com/gpl/ for GPL licensing information.
+**
+** Contact info@trolltech.com if any conditions of this licensing are
+** not clear to you.
+**
+**********************************************************************/
+
+
+#include "qeventloop_glib_p.h" // includes qplatformdefs.h
+#include "ntqeventloop.h"
+#include "ntqapplication.h"
+#include "ntqbitarray.h"
+#include "qcolor_p.h"
+#include "qt_x11_p.h"
+
+#if defined(QT_THREAD_SUPPORT)
+#  include "ntqmutex.h"
+#endif // QT_THREAD_SUPPORT
+
+#include <errno.h>
+
+#include <glib.h>
+
+// TQt-GSource Structure and Callbacks
+
+typedef struct {
+    GSource source;
+    TQEventLoop * qeventLoop;
+} TQtGSource;
+
+static gboolean qt_gsource_prepare  ( GSource *source,
+	gint *timeout );
+static gboolean qt_gsource_check    ( GSource *source );
+static gboolean qt_gsource_dispatch ( GSource *source,
+    GSourceFunc  callback, gpointer user_data );
+
+static GSourceFuncs qt_gsource_funcs = {
+    qt_gsource_prepare,
+    qt_gsource_check,
+    qt_gsource_dispatch,
+    NULL,
+    NULL,
+    NULL
+};
+
+// forward main loop callbacks to TQEventLoop methods!
+
+static gboolean qt_gsource_prepare  ( GSource *source,
+	gint *timeout ) 
+{
+    TQtGSource * qtGSource;
+	qtGSource = (TQtGSource*) source;
+    return qtGSource->qeventLoop->gsourcePrepare(source, timeout); 
+}
+
+static gboolean qt_gsource_check    ( GSource *source ) 
+{
+    TQtGSource * qtGSource = (TQtGSource*) source;
+    return qtGSource->qeventLoop->gsourceCheck(source); 
+}
+
+static gboolean qt_gsource_dispatch ( GSource *source,
+    GSourceFunc  callback, gpointer user_data ) 
+{
+    TQtGSource * qtGSource = (TQtGSource*) source;
+    return qtGSource->qeventLoop->gsourceDispatch(source); 
+}
+
+
+// -------------------------------------------------
+
+// resolve the conflict between X11's FocusIn and TQEvent::FocusIn
+#undef FocusOut
+#undef FocusIn
+
+static const int XKeyPress = KeyPress;
+static const int XKeyRelease = KeyRelease;
+#undef KeyPress
+#undef KeyRelease
+
+// from qapplication.cpp
+extern bool tqt_is_gui_used;
+
+// from qeventloop_unix.cpp
+extern timeval *qt_wait_timer();
+extern void cleanupTimers();
+
+// ### this needs to go away at some point...
+typedef void (*VFPTR)();
+typedef TQValueList<VFPTR> TQVFuncList;
+void qt_install_preselect_handler( VFPTR );
+void qt_remove_preselect_handler( VFPTR );
+static TQVFuncList *qt_preselect_handler = 0;
+void qt_install_postselect_handler( VFPTR );
+void qt_remove_postselect_handler( VFPTR );
+static TQVFuncList *qt_postselect_handler = 0;
+
+void qt_install_preselect_handler( VFPTR handler )
+{
+    if ( !qt_preselect_handler )
+	qt_preselect_handler = new TQVFuncList;
+    qt_preselect_handler->append( handler );
+}
+void qt_remove_preselect_handler( VFPTR handler )
+{
+    if ( qt_preselect_handler ) {
+	TQVFuncList::Iterator it = qt_preselect_handler->find( handler );
+	if ( it != qt_preselect_handler->end() )
+		qt_preselect_handler->remove( it );
+    }
+}
+void qt_install_postselect_handler( VFPTR handler )
+{
+    if ( !qt_postselect_handler )
+	qt_postselect_handler = new TQVFuncList;
+    qt_postselect_handler->prepend( handler );
+}
+void qt_remove_postselect_handler( VFPTR handler )
+{
+    if ( qt_postselect_handler ) {
+	TQVFuncList::Iterator it = qt_postselect_handler->find( handler );
+	if ( it != qt_postselect_handler->end() )
+		qt_postselect_handler->remove( it );
+    }
+}
+
+
+void TQEventLoop::init()
+{
+	// initialize ProcessEventFlags (all events & wait for more)
+	
+	d->pev_flags = AllEvents | WaitForMore;	
+	
+    // initialize the common parts of the event loop
+    pipe( d->thread_pipe );
+    fcntl(d->thread_pipe[0], F_SETFD, FD_CLOEXEC);
+    fcntl(d->thread_pipe[1], F_SETFD, FD_CLOEXEC);
+
+    // intitialize the X11 parts of the event loop
+    d->xfd = -1;
+    if ( tqt_is_gui_used )
+        d->xfd = XConnectionNumber( TQPaintDevice::x11AppDisplay() );
+
+    // new GSource
+
+    TQtGSource * qtGSource = (TQtGSource*) g_source_new(&qt_gsource_funcs,
+                             sizeof(TQtGSource));
+                             
+    g_source_set_can_recurse ((GSource*)qtGSource, TRUE);
+
+    qtGSource->qeventLoop = this;
+	
+    // init main loop and attach gsource
+	
+	#ifdef DEBUG_QT_GLIBMAINLOOP
+		printf("inside init(1)\n");
+	#endif		
+	
+    g_main_loop_new (NULL, 1);
+	
+    g_source_attach( (GSource*)qtGSource, NULL );
+
+	d->gSource = (GSource*) qtGSource;
+	
+	// poll for X11 events
+	
+    if ( tqt_is_gui_used ) {
+	    
+		
+		d->x_gPollFD.fd = d->xfd;
+		d->x_gPollFD.events = G_IO_IN | G_IO_HUP;
+		g_source_add_poll(d->gSource, &d->x_gPollFD); 	
+    }
+
+	// poll thread-pipe
+	
+	d->threadPipe_gPollFD.fd = d->thread_pipe[0];
+	d->threadPipe_gPollFD.events = G_IO_IN | G_IO_HUP;
+	
+	g_source_add_poll(d->gSource, &d->threadPipe_gPollFD); 
+	
+	#ifdef DEBUG_QT_GLIBMAINLOOP 
+		printf("inside init(2)\n");
+	#endif		
+	
+}
+
+void TQEventLoop::cleanup()
+{
+    // cleanup the common parts of the event loop
+    close( d->thread_pipe[0] );
+    close( d->thread_pipe[1] );
+    cleanupTimers();
+
+    // cleanup the X11 parts of the event loop
+    d->xfd = -1;
+	
+	// todo: destroy gsource
+}
+
+bool TQEventLoop::processEvents( ProcessEventsFlags flags )
+{
+
+	#ifdef DEBUG_QT_GLIBMAINLOOP
+		printf("inside processEvents(1) looplevel=%d\n", d->looplevel );
+	#endif	
+    ProcessEventsFlags save_flags;
+    int rval;
+    save_flags = d->pev_flags;
+	
+    d->pev_flags = flags;
+
+    rval = g_main_context_iteration(NULL, flags & WaitForMore ? TRUE : FALSE);	
+
+    d->pev_flags = save_flags;
+	
+	#ifdef DEBUG_QT_GLIBMAINLOOP
+		printf("inside processEvents(2) looplevel=%d rval=%d\n", d->looplevel, rval );
+	#endif	
+	
+    return rval; // were events processed?
+}
+
+
+bool TQEventLoop::processX11Events()
+{
+	ProcessEventsFlags flags = d->pev_flags;
+    // process events from the X server
+    XEvent event;
+    int	   nevents = 0;
+
+#if defined(QT_THREAD_SUPPORT)
+    TQMutexLocker locker( TQApplication::tqt_mutex );
+#endif
+
+    // handle gui and posted events
+    if ( tqt_is_gui_used ) {
+	TQApplication::sendPostedEvents();
+
+	// Two loops so that posted events accumulate
+	while ( XPending( TQPaintDevice::x11AppDisplay() ) ) {
+	    // also flushes output buffer
+	    while ( XPending( TQPaintDevice::x11AppDisplay() ) ) {
+		if ( d->shortcut ) {
+		    return FALSE;
+		}
+
+		XNextEvent( TQPaintDevice::x11AppDisplay(), &event );
+
+		if ( flags & ExcludeUserInput ) {
+		    switch ( event.type ) {
+		    case ButtonPress:
+		    case ButtonRelease:
+		    case MotionNotify:
+		    case XKeyPress:
+		    case XKeyRelease:
+		    case EnterNotify:
+		    case LeaveNotify:
+			continue;
+
+		    case ClientMessage:
+			{
+			    // from qapplication_x11.cpp
+			    extern Atom tqt_wm_protocols;
+			    extern Atom tqt_wm_take_focus;
+			    extern Atom qt_qt_scrolldone;
+
+			    // only keep the wm_take_focus and
+			    // qt_qt_scrolldone protocols, discard all
+			    // other client messages
+			    if ( event.xclient.format != 32 )
+				continue;
+
+			    if ( event.xclient.message_type == tqt_wm_protocols ||
+				 (Atom) event.xclient.data.l[0] == tqt_wm_take_focus )
+				break;
+			    if ( event.xclient.message_type == qt_qt_scrolldone )
+				break;
+			}
+
+		    default: break;
+		    }
+		}
+
+		nevents++;
+		if ( tqApp->x11ProcessEvent( &event ) == 1 )
+		    return TRUE;
+	    }
+	}
+    }
+
+    if ( d->shortcut ) {
+	return FALSE;
+    }
+
+    TQApplication::sendPostedEvents();
+
+    const uint exclude_all = ExcludeSocketNotifiers | 0x08;
+    // 0x08 == ExcludeTimers for X11 only
+    if ( nevents > 0 && ( flags & exclude_all ) == exclude_all &&
+	 ( flags & WaitForMore ) ) {
+	    return TRUE;
+    }
+    return FALSE;
+}
+
+
+bool TQEventLoop::gsourcePrepare(GSource *gs, int * timeout) 
+{
+    
+	#ifdef DEBUG_QT_GLIBMAINLOOP
+		printf("inside gsourcePrepare(1)\n");
+	#endif	
+
+	ProcessEventsFlags flags = d->pev_flags;
+	
+#if defined(QT_THREAD_SUPPORT)
+    TQMutexLocker locker( TQApplication::tqt_mutex );
+#endif
+
+    // don't block if exitLoop() or exit()/quit() has been called.
+    bool canWait = d->exitloop || d->quitnow ? FALSE : (flags & WaitForMore);
+
+    // Process timers and socket notifiers - the common UNIX stuff
+
+    // return the maximum time we can wait for an event.
+    static timeval zerotm;
+    timeval *tm = 0;
+    if ( ! ( flags & 0x08 ) ) {			// 0x08 == ExcludeTimers for X11 only
+	    tm = qt_wait_timer();			// wait for timer or X event
+	    if ( !canWait ) {
+	        if ( !tm )
+                    tm = &zerotm;
+	        tm->tv_sec  = 0;			// no time to wait
+	        tm->tv_usec = 0;
+	    }
+    }
+
+	// include or exclude SocketNotifiers (by setting or cleaning poll events)  
+	
+    if ( ! ( flags & ExcludeSocketNotifiers ) ) {
+        TQPtrListIterator<TQSockNotGPollFD> it( d->sn_list );
+        TQSockNotGPollFD *sn;
+        while ( (sn=it.current()) ) {
+            ++it;		
+		    sn->gPollFD.events = sn->events;  // restore poll events
+		}
+	} else {
+        TQPtrListIterator<TQSockNotGPollFD> it( d->sn_list );
+        TQSockNotGPollFD *sn;
+        while ( (sn=it.current()) ) {
+            ++it;		
+		    sn->gPollFD.events = 0;  // delete poll events
+		}
+	}
+
+	#ifdef DEBUG_QT_GLIBMAINLOOP
+		printf("inside gsourcePrepare(2) canwait=%d\n", canWait);
+	#endif 
+
+    if ( canWait )
+	   emit aboutToBlock();
+
+	
+    if ( qt_preselect_handler ) {
+	   TQVFuncList::Iterator it, end = qt_preselect_handler->end();
+	   for ( it = qt_preselect_handler->begin(); it != end; ++it )
+	       (**it)();
+    }
+
+    // unlock the GUI mutex and select.  when we return from this function, there is
+    // something for us to do
+#if defined(QT_THREAD_SUPPORT)
+    locker.mutex()->unlock();
+#endif
+
+	#ifdef DEBUG_QT_GLIBMAINLOOP 
+		printf("inside gsourcePrepare(2.1) canwait=%d\n", canWait);
+	#endif 	
+
+	// do we have to dispatch events?
+    if (hasPendingEvents()) { 
+		*timeout = 0; // no time to stay in poll
+		
+		#ifdef DEBUG_QT_GLIBMAINLOOP
+			printf("inside gsourcePrepare(3a)\n");
+		#endif		
+		
+		return FALSE;
+    }
+
+	// stay in poll until something happens?
+	if (!tm) { // fixme
+		*timeout = -1; // wait forever
+		#ifdef DEBUG_QT_GLIBMAINLOOP
+			printf("inside gsourcePrepare(3b) timeout=%d \n", *timeout);
+		#endif	
+		
+		
+		return FALSE;
+	}
+	
+	// else timeout >=0 
+	*timeout = tm->tv_sec * 1000 + tm->tv_usec/1000;
+	
+	#ifdef DEBUG_QT_GLIBMAINLOOP
+		printf("inside gsourcePrepare(3c) timeout=%d \n", *timeout);
+	#endif	
+	
+
+    return FALSE;
+}
+
+
+bool TQEventLoop::gsourceCheck(GSource *gs) {
+	
+	#ifdef DEBUG_QT_GLIBMAINLOOP
+		printf("inside gsourceCheck(1)\n");
+	#endif	
+	
+	
+	// Socketnotifier events?
+	
+	TQPtrList<TQSockNotGPollFD> *list = &d->sn_list;
+	
+	//if ( list ) {
+	
+		
+		TQSockNotGPollFD *sn = list->first();
+		while ( sn ) {
+			if ( sn->gPollFD.revents )
+				return TRUE;
+			sn = list->next();
+		}
+	//}	
+	
+	if (d->x_gPollFD.revents) { 
+		#ifdef DEBUG_QT_GLIBMAINLOOP
+			printf("inside gsourceCheck(2) xfd!\n");
+		#endif		
+		
+		return TRUE;  // we got events!
+	}
+    if (d->threadPipe_gPollFD.revents) { 
+		#ifdef DEBUG_QT_GLIBMAINLOOP
+			printf("inside gsourceCheck(2) threadpipe!!\n");
+		#endif		
+		
+		return TRUE;  // we got events!
+	}
+    if (hasPendingEvents()) {
+		#ifdef DEBUG_QT_GLIBMAINLOOP
+			printf("inside gsourceCheck(2) pendingEvents!\n");
+		#endif		
+		
+		return TRUE; // we got more X11 events!
+	}
+    // check if we have timers to activate?
+ 
+	timeval * tm =qt_wait_timer();
+	
+    if (tm && (tm->tv_sec == 0 && tm->tv_usec == 0 )) {
+		 #ifdef DEBUG_QT_GLIBMAINLOOP
+			printf("inside gsourceCheck(2) qtwaittimer!\n");
+		 #endif		
+		
+         return TRUE;
+    }
+ 
+    // nothing to dispatch 
+	
+	#ifdef DEBUG_QT_GLIBMAINLOOP
+		printf("inside gsourceCheck(2) nothing to dispatch!\n");
+	#endif		
+	
+    return FALSE;	
+}
+
+
+bool TQEventLoop::gsourceDispatch(GSource *gs) {
+
+    // relock the GUI mutex before processing any pending events
+#if defined(QT_THREAD_SUPPORT)
+    TQMutexLocker locker( TQApplication::tqt_mutex );
+#endif	
+#if defined(QT_THREAD_SUPPORT)
+    locker.mutex()->lock();
+#endif
+
+	int nevents=0;
+
+	ProcessEventsFlags flags = d->pev_flags;
+
+	#ifdef DEBUG_QT_GLIBMAINLOOP
+		printf("inside gsourceDispatch(1)\n");
+	#endif	
+	
+    // we are awake, broadcast it
+    emit awake();
+    emit tqApp->guiThreadAwake();
+
+    // some other thread woke us up... consume the data on the thread pipe so that
+    // select doesn't immediately return next time
+	
+	if ( d->threadPipe_gPollFD.revents) {
+	    char c;
+	    ::read( d->thread_pipe[0], &c, 1 );
+    }
+
+    if ( qt_postselect_handler ) {
+	    TQVFuncList::Iterator it, end = qt_postselect_handler->end();
+	    for ( it = qt_postselect_handler->begin(); it != end; ++it )
+	        (**it)();
+    }
+
+    // activate socket notifiers
+    if ( ! ( flags & ExcludeSocketNotifiers )) {
+		// if select says data is ready on any socket, then set the socket notifier
+		// to pending
+		// if ( &d->sn_list ) {
+			
+	
+			TQPtrList<TQSockNotGPollFD> *list = &d->sn_list;
+			TQSockNotGPollFD *sn = list->first();
+			while ( sn ) {
+				if ( sn->gPollFD.revents )
+					setSocketNotifierPending( sn->obj );
+				sn = list->next();
+			}
+		// }
+	
+		nevents += activateSocketNotifiers();
+    }
+
+    // activate timers
+    if ( ! ( flags & 0x08 ) ) {
+		// 0x08 == ExcludeTimers for X11 only
+		nevents += activateTimers();
+    }
+
+
+
+    // return true if we handled events, false otherwise
+    //return (nevents > 0);
+	
+	// now process x11 events!
+
+	#ifdef DEBUG_QT_GLIBMAINLOOP
+		printf("inside gsourceDispatch(2) hasPendingEvents=%d\n", hasPendingEvents());
+	#endif
+	
+	if (hasPendingEvents()) {
+
+		// color approx. optimization - only on X11
+		qt_reset_color_avail();		
+		
+		processX11Events();
+	
+	}
+	
+#if defined(QT_THREAD_SUPPORT)
+    locker.mutex()->unlock();
+#endif	
+	
+	return TRUE;
+	
+}
+
+bool TQEventLoop::hasPendingEvents() const
+{
+    extern uint qGlobalPostedEventsCount(); // from qapplication.cpp
+    return ( qGlobalPostedEventsCount() || ( tqt_is_gui_used  ? XPending( TQPaintDevice::x11AppDisplay() ) : 0));
+}
+
+void TQEventLoop::appStartingUp()
+{
+    if ( tqt_is_gui_used )
+        d->xfd = XConnectionNumber( TQPaintDevice::x11AppDisplay() );
+}
+
+void TQEventLoop::appClosingDown()
+{
+    d->xfd = -1;
+}