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114 lines
3.0 KiB
114 lines
3.0 KiB
15 years ago
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/* This file is part of the KDE libraries
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Copyright (C) 1999 Mattias Ettrich (ettrich@kde.org)
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Copyright (C) 1999,2000 Geert Jansen <jansen@kde.org>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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/*
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* kipc.cpp: Send a message to one/all KDE apps.
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*
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* $Id$
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*/
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#include "config.h"
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14 years ago
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#include <tqevent.h>
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15 years ago
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#include <tqwindowdefs.h>
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15 years ago
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#if defined Q_WS_X11
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14 years ago
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#include <X11/X.h>
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#include <X11/Xlib.h>
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#include <kxerrorhandler.h>
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15 years ago
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#endif
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#include <kipc.h>
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#if defined Q_WS_X11
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static long getSimpleProperty(Window w, Atom a)
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{
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Atom real_type;
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int format;
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unsigned long n, extra, res = 0;
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int status;
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unsigned char *p = 0;
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status = XGetWindowProperty(qt_xdisplay(), w, a, 0L, 1L, False, a,
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&real_type, &format, &n, &extra, &p);
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if ((status == Success) && (n == 1) && (format == 32))
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res = *(unsigned long*)p;
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if (p) XFree(p);
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return res;
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}
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#endif
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void KIPC::sendMessage(Message msg, WId w, int data)
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{
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#if defined Q_WS_X11
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static Atom a = 0;
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if (a == 0)
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a = XInternAtom(qt_xdisplay(), "KIPC_COMM_ATOM", False);
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XEvent ev;
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ev.xclient.type = ClientMessage;
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ev.xclient.display = qt_xdisplay();
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ev.xclient.window = (Window) w;
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ev.xclient.message_type = a;
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ev.xclient.format = 32;
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ev.xclient.data.l[0] = msg;
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ev.xclient.data.l[1] = data;
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XSendEvent(qt_xdisplay(), (Window) w, False, 0L, &ev);
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// KDE 1 support
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static Atom kde1 = 0;
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if ( msg == PaletteChanged || msg == FontChanged ) {
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if ( kde1 == 0 )
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kde1 = XInternAtom(qt_xdisplay(), "KDEChangeGeneral", False );
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ev.xclient.message_type = kde1;
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XSendEvent(qt_xdisplay(), (Window) w, False, 0L, &ev);
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}
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#endif
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}
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void KIPC::sendMessageAll(Message msg, int data)
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{
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#if defined Q_WS_X11
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unsigned int i, nrootwins;
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Window dw1, dw2, *rootwins = 0;
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Display *dpy = qt_xdisplay();
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int screen_count = ScreenCount(dpy);
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KXErrorHandler handler;
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for (int s = 0; s < screen_count; s++) {
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Window root = RootWindow(dpy, s);
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XQueryTree(dpy, root, &dw1, &dw2, &rootwins, &nrootwins);
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Atom a = XInternAtom(qt_xdisplay(), "KDE_DESKTOP_WINDOW", False);
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for (i = 0; i < nrootwins; i++)
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{
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if (getSimpleProperty(rootwins[i], a) != 0L)
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sendMessage(msg, rootwins[i], data);
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}
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XFree((char *) rootwins);
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}
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XSync(dpy,False);
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#endif
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}
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