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-rw-r--r--kdecore/kxmessages.cpp214
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diff --git a/kdecore/kxmessages.cpp b/kdecore/kxmessages.cpp
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--- a/kdecore/kxmessages.cpp
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-/****************************************************************************
-
- $Id$
-
- Copyright (C) 2001-2003 Lubos Lunak <l.lunak@kde.org>
-
-Permission is hereby granted, free of charge, to any person obtaining a
-copy of this software and associated documentation files (the "Software"),
-to deal in the Software without restriction, including without limitation
-the rights to use, copy, modify, merge, publish, distribute, sublicense,
-and/or sell copies of the Software, and to permit persons to whom the
-Software is furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
-THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
-DEALINGS IN THE SOFTWARE.
-
-****************************************************************************/
-
-#include "kxmessages.h"
-
-#include <kapplication.h>
-
-#ifdef Q_WS_X11 // FIXME(E): Figure out what parts we can/should emulate in QT/E
-
-#include <X11/Xlib.h>
-#include <kdebug.h>
-
-// for broadcasting
-const long BROADCAST_MASK = PropertyChangeMask;
-// CHECKME
-
-KXMessages::KXMessages( const char* accept_broadcast_P, TQWidget* parent_P )
- : TQWidget( parent_P )
- {
- if( accept_broadcast_P != NULL )
- {
- ( void ) kapp->desktop(); //trigger desktop widget creation to select root window events
- kapp->installX11EventFilter( this ); // i.e. PropertyChangeMask
- accept_atom1 = XInternAtom( qt_xdisplay(), accept_broadcast_P, false );
- accept_atom2 = accept_atom1;
- }
- else
- {
- accept_atom1 = accept_atom2 = None;
- }
- handle = new TQWidget( this );
- }
-
-KXMessages::KXMessages( const char* accept_broadcast_P, TQWidget* parent_P, bool obsolete_P )
- : TQWidget( parent_P )
- {
- if( accept_broadcast_P != NULL )
- {
- ( void ) kapp->desktop(); //trigger desktop widget creation to select root window events
- kapp->installX11EventFilter( this ); // i.e. PropertyChangeMask
- accept_atom2 = XInternAtom( qt_xdisplay(), accept_broadcast_P, false );
- accept_atom1 = obsolete_P ? accept_atom2
- : XInternAtom( qt_xdisplay(), TQCString( accept_broadcast_P ) + "_BEGIN", false );
- }
- else
- {
- accept_atom1 = accept_atom2 = None;
- }
- handle = new TQWidget( this );
- }
-
-KXMessages::~KXMessages()
- {
-// delete d; no private data yet
- }
-
-
-void KXMessages::broadcastMessage( const char* msg_type_P, const TQString& message_P )
- {
- broadcastMessage( msg_type_P, message_P, -1, true );
- }
-
-void KXMessages::broadcastMessage( const char* msg_type_P, const TQString& message_P,
- int screen_P, bool obsolete_P )
- {
- Atom a2 = XInternAtom( qt_xdisplay(), msg_type_P, false );
- Atom a1 = obsolete_P ? a2 : XInternAtom( qt_xdisplay(), TQCString( msg_type_P ) + "_BEGIN", false );
- Window root = screen_P == -1 ? qt_xrootwin() : qt_xrootwin( screen_P );
- send_message_internal( root, message_P, BROADCAST_MASK, qt_xdisplay(),
- a1, a2, handle->winId());
- }
-
-void KXMessages::sendMessage( WId w_P, const char* msg_type_P, const TQString& message_P )
- {
- sendMessage( w_P, msg_type_P, message_P, true );
- }
-
-void KXMessages::sendMessage( WId w_P, const char* msg_type_P, const TQString& message_P,
- bool obsolete_P )
- {
- Atom a2 = XInternAtom( qt_xdisplay(), msg_type_P, false );
- Atom a1 = obsolete_P ? a2 : XInternAtom( qt_xdisplay(), TQCString( msg_type_P ) + "_BEGIN", false );
- send_message_internal( w_P, message_P, 0, qt_xdisplay(), a1, a2, handle->winId());
- }
-
-bool KXMessages::broadcastMessageX( Display* disp, const char* msg_type_P,
- const TQString& message_P )
- {
- return broadcastMessageX( disp, msg_type_P, message_P, -1, true );
- }
-
-bool KXMessages::broadcastMessageX( Display* disp, const char* msg_type_P,
- const TQString& message_P, int screen_P, bool obsolete_P )
- {
- if( disp == NULL )
- return false;
- Atom a2 = XInternAtom( disp, msg_type_P, false );
- Atom a1 = obsolete_P ? a2 : XInternAtom( disp, TQCString( msg_type_P ) + "_BEGIN", false );
- Window root = screen_P == -1 ? DefaultRootWindow( disp ) : RootWindow( disp, screen_P );
- Window win = XCreateSimpleWindow( disp, root, 0, 0, 1, 1,
- 0, BlackPixel( disp, screen_P == -1 ? DefaultScreen( disp ) : screen_P ),
- BlackPixel( disp, screen_P == -1 ? DefaultScreen( disp ) : screen_P ));
- send_message_internal( root, message_P, BROADCAST_MASK, disp,
- a1, a2, win );
- XDestroyWindow( disp, win );
- return true;
- }
-
-bool KXMessages::sendMessageX( Display* disp, WId w_P, const char* msg_type_P,
- const TQString& message_P )
- {
- return sendMessageX( disp, w_P, msg_type_P, message_P, true );
- }
-
-bool KXMessages::sendMessageX( Display* disp, WId w_P, const char* msg_type_P,
- const TQString& message_P, bool obsolete_P )
- {
- if( disp == NULL )
- return false;
- Atom a2 = XInternAtom( disp, msg_type_P, false );
- Atom a1 = obsolete_P ? a2 : XInternAtom( disp, TQCString( msg_type_P ) + "_BEGIN", false );
- Window win = XCreateSimpleWindow( disp, DefaultRootWindow( disp ), 0, 0, 1, 1,
- 0, BlackPixelOfScreen( DefaultScreenOfDisplay( disp )),
- BlackPixelOfScreen( DefaultScreenOfDisplay( disp )));
- send_message_internal( w_P, message_P, 0, disp, a1, a2, win );
- XDestroyWindow( disp, win );
- return true;
- }
-
-void KXMessages::send_message_internal( WId w_P, const TQString& msg_P, long mask_P,
- Display* disp, Atom atom1_P, Atom atom2_P, Window handle_P )
- {
- unsigned int pos = 0;
- TQCString msg = msg_P.utf8();
- unsigned int len = strlen( msg );
- XEvent e;
- e.xclient.type = ClientMessage;
- e.xclient.message_type = atom1_P; // leading message
- e.xclient.display = disp;
- e.xclient.window = handle_P;
- e.xclient.format = 8;
- do
- {
- unsigned int i;
- for( i = 0;
- i < 20 && i + pos <= len;
- ++i )
- e.xclient.data.b[ i ] = msg[ i + pos ];
- XSendEvent( disp, w_P, false, mask_P, &e );
- e.xclient.message_type = atom2_P; // following messages
- pos += i;
- } while( pos <= len );
- XFlush( disp );
- }
-
-bool KXMessages::x11Event( XEvent* ev_P )
- {
- if( ev_P->type != ClientMessage || ev_P->xclient.format != 8 )
- return TQWidget::x11Event( ev_P );
- if( ev_P->xclient.message_type != accept_atom1 && ev_P->xclient.message_type != accept_atom2 )
- return TQWidget::x11Event( ev_P );
- char buf[ 21 ]; // can't be longer
- int i;
- for( i = 0;
- i < 20 && ev_P->xclient.data.b[ i ] != '\0';
- ++i )
- buf[ i ] = ev_P->xclient.data.b[ i ];
- buf[ i ] = '\0';
- if( incoming_messages.contains( ev_P->xclient.window ))
- {
- if( ev_P->xclient.message_type == accept_atom1 && accept_atom1 != accept_atom2 )
- // two different messages on the same window at the same time shouldn't happen anyway
- incoming_messages[ ev_P->xclient.window ] = TQCString();
- incoming_messages[ ev_P->xclient.window ] += buf;
- }
- else
- {
- if( ev_P->xclient.message_type == accept_atom2 && accept_atom1 != accept_atom2 )
- return false; // middle of message, but we don't have the beginning
- incoming_messages[ ev_P->xclient.window ] = buf;
- }
- if( i < 20 ) // last message fragment
- {
- emit gotMessage( TQString::fromUtf8( incoming_messages[ ev_P->xclient.window ] ));
- incoming_messages.remove( ev_P->xclient.window );
- }
- return false; // lets other KXMessages instances get the event too
- }
-
-#include "kxmessages.moc"
-#endif
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