You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
401 lines
14 KiB
401 lines
14 KiB
/*****************************************************************
|
|
ksmserver - the KDE session management server
|
|
|
|
Copyright (C) 2000 Matthias Ettrich <ettrich@kde.org>
|
|
Copyright (C) 2005 Lubos Lunak <l.lunak@kde.org>
|
|
|
|
relatively small extensions by Oswald Buddenhagen <ob6@inf.tu-dresden.de>
|
|
|
|
some code taken from the dcopserver (part of the KDE libraries), which is
|
|
Copyright (c) 1999 Matthias Ettrich <ettrich@kde.org>
|
|
Copyright (c) 1999 Preston Brown <pbrown@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 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.
|
|
|
|
******************************************************************/
|
|
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include <config.h>
|
|
#endif
|
|
|
|
#ifdef HAVE_SYS_TIME_H
|
|
#include <sys/time.h>
|
|
#endif
|
|
|
|
#include "server.h"
|
|
|
|
#ifdef HAVE_SYS_TIME_H
|
|
#include <sys/time.h>
|
|
#endif
|
|
|
|
#include <unistd.h>
|
|
|
|
#include <tqtimer.h>
|
|
|
|
#include <kconfig.h>
|
|
#include <kdebug.h>
|
|
#include <twinmodule.h>
|
|
|
|
#include <X11/Xlib.h>
|
|
#include <X11/Xutil.h>
|
|
#include <X11/Xatom.h>
|
|
|
|
|
|
/*
|
|
* Legacy session management
|
|
*/
|
|
const int WM_SAVE_YOURSELF_TIMEOUT = 4000;
|
|
|
|
static WindowMap* windowMapPtr = 0;
|
|
|
|
static Atom wm_save_yourself = None;
|
|
static Atom wm_protocols = None;
|
|
static Atom wm_client_leader = None;
|
|
|
|
static int winsErrorHandler(Display *, XErrorEvent *ev)
|
|
{
|
|
if (windowMapPtr) {
|
|
WindowMap::Iterator it = windowMapPtr->find(ev->resourceid);
|
|
if (it != windowMapPtr->end())
|
|
(*it).type = SM_ERROR;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void KSMServer::performLegacySessionSave()
|
|
{
|
|
kdDebug( 1218 ) << "Saving legacy session apps" << endl;
|
|
// Setup error handler
|
|
legacyWindows.clear();
|
|
windowMapPtr = &legacyWindows;
|
|
XErrorHandler oldHandler = XSetErrorHandler(winsErrorHandler);
|
|
// Compute set of leader windows that need legacy session management
|
|
// and determine which style (WM_COMMAND or WM_SAVE_YOURSELF)
|
|
KWinModule module;
|
|
if( wm_save_yourself == (Atom)None ) {
|
|
Atom atoms[ 3 ];
|
|
const char* const names[]
|
|
= { "WM_SAVE_YOURSELF", "WM_PROTOCOLS", "WM_CLIENT_LEADER" };
|
|
XInternAtoms( tqt_xdisplay(), const_cast< char** >( names ), 3,
|
|
False, atoms );
|
|
wm_save_yourself = atoms[ 0 ];
|
|
wm_protocols = atoms[ 1 ];
|
|
wm_client_leader = atoms[ 2 ];
|
|
}
|
|
for ( TQValueList<WId>::ConstIterator it = module.windows().begin();
|
|
it != module.windows().end(); ++it) {
|
|
WId leader = windowWmClientLeader( *it );
|
|
if (!legacyWindows.contains(leader) && windowSessionId( *it, leader ).isEmpty()) {
|
|
SMType wtype = SM_WMCOMMAND;
|
|
int nprotocols = 0;
|
|
Atom *protocols = 0;
|
|
if( XGetWMProtocols(tqt_xdisplay(), leader, &protocols, &nprotocols)) {
|
|
for (int i=0; i<nprotocols; i++)
|
|
if (protocols[i] == wm_save_yourself) {
|
|
wtype = SM_WMSAVEYOURSELF;
|
|
break;
|
|
}
|
|
XFree((void*) protocols);
|
|
}
|
|
SMData data;
|
|
data.type = wtype;
|
|
XClassHint classHint;
|
|
if( XGetClassHint( tqt_xdisplay(), leader, &classHint ) ) {
|
|
data.wmclass1 = classHint.res_name;
|
|
data.wmclass2 = classHint.res_class;
|
|
XFree( classHint.res_name );
|
|
XFree( classHint.res_class );
|
|
}
|
|
legacyWindows.insert(leader, data);
|
|
}
|
|
}
|
|
// Open fresh display for sending WM_SAVE_YOURSELF
|
|
XSync(tqt_xdisplay(), False);
|
|
Display *newdisplay = XOpenDisplay(DisplayString(tqt_xdisplay()));
|
|
if (!newdisplay) {
|
|
windowMapPtr = NULL;
|
|
XSetErrorHandler(oldHandler);
|
|
return;
|
|
}
|
|
WId root = DefaultRootWindow(newdisplay);
|
|
XGrabKeyboard(newdisplay, root, False,
|
|
GrabModeAsync, GrabModeAsync, CurrentTime);
|
|
XGrabPointer(newdisplay, root, False, Button1Mask|Button2Mask|Button3Mask,
|
|
GrabModeAsync, GrabModeAsync, None, None, CurrentTime);
|
|
// Send WM_SAVE_YOURSELF messages
|
|
XEvent ev;
|
|
int awaiting_replies = 0;
|
|
for (WindowMap::Iterator it = legacyWindows.begin(); it != legacyWindows.end(); ++it) {
|
|
if ( (*it).type == SM_WMSAVEYOURSELF ) {
|
|
WId w = it.key();
|
|
awaiting_replies += 1;
|
|
memset(&ev, 0, sizeof(ev));
|
|
ev.xclient.type = ClientMessage;
|
|
ev.xclient.window = w;
|
|
ev.xclient.message_type = wm_protocols;
|
|
ev.xclient.format = 32;
|
|
ev.xclient.data.l[0] = wm_save_yourself;
|
|
ev.xclient.data.l[1] = GET_QT_X_TIME();
|
|
XSelectInput(newdisplay, w, PropertyChangeMask|StructureNotifyMask);
|
|
XSendEvent(newdisplay, w, False, 0, &ev);
|
|
}
|
|
}
|
|
// Wait for change in WM_COMMAND with timeout
|
|
XFlush(newdisplay);
|
|
TQTime start = TQTime::currentTime();
|
|
while (awaiting_replies > 0) {
|
|
if (XPending(newdisplay)) {
|
|
/* Process pending event */
|
|
XNextEvent(newdisplay, &ev);
|
|
if ( ( ev.xany.type == UnmapNotify ) ||
|
|
( ev.xany.type == PropertyNotify && ev.xproperty.atom == XA_WM_COMMAND ) ) {
|
|
WindowMap::Iterator it = legacyWindows.find( ev.xany.window );
|
|
if ( it != legacyWindows.end() && (*it).type != SM_WMCOMMAND ) {
|
|
awaiting_replies -= 1;
|
|
if ( (*it).type != SM_ERROR )
|
|
(*it).type = SM_WMCOMMAND;
|
|
}
|
|
}
|
|
} else {
|
|
/* Check timeout */
|
|
int msecs = start.elapsed();
|
|
if (msecs >= WM_SAVE_YOURSELF_TIMEOUT)
|
|
break;
|
|
/* Wait for more events */
|
|
fd_set fds;
|
|
FD_ZERO(&fds);
|
|
int fd = ConnectionNumber(newdisplay);
|
|
FD_SET(fd, &fds);
|
|
struct timeval tmwait;
|
|
tmwait.tv_sec = (WM_SAVE_YOURSELF_TIMEOUT - msecs) / 1000;
|
|
tmwait.tv_usec = ((WM_SAVE_YOURSELF_TIMEOUT - msecs) % 1000) * 1000;
|
|
::select(fd+1, &fds, NULL, &fds, &tmwait);
|
|
}
|
|
}
|
|
// Terminate work in new display
|
|
XAllowEvents(newdisplay, ReplayPointer, CurrentTime);
|
|
XAllowEvents(newdisplay, ReplayKeyboard, CurrentTime);
|
|
XSync(newdisplay, False);
|
|
XCloseDisplay(newdisplay);
|
|
// Restore old error handler
|
|
XSync(tqt_xdisplay(), False);
|
|
XSetErrorHandler(oldHandler);
|
|
for (WindowMap::Iterator it = legacyWindows.begin(); it != legacyWindows.end(); ++it) {
|
|
if ( (*it).type != SM_ERROR) {
|
|
WId w = it.key();
|
|
(*it).wmCommand = windowWmCommand(w);
|
|
(*it).wmClientMachine = windowWmClientMachine(w);
|
|
}
|
|
}
|
|
kdDebug( 1218 ) << "Done saving " << legacyWindows.count() << " legacy session apps" << endl;
|
|
}
|
|
|
|
/*!
|
|
Stores legacy session management data
|
|
*/
|
|
void KSMServer::storeLegacySession( TDEConfig* config )
|
|
{
|
|
// Write LegacySession data
|
|
config->deleteGroup( "Legacy" + sessionGroup );
|
|
TDEConfigGroupSaver saver( config, "Legacy" + sessionGroup );
|
|
int count = 0;
|
|
for (WindowMap::ConstIterator it = legacyWindows.begin(); it != legacyWindows.end(); ++it) {
|
|
if ( (*it).type != SM_ERROR) {
|
|
if( excludeApps.contains( (*it).wmclass1.lower())
|
|
|| excludeApps.contains( (*it).wmclass2.lower()) || (*it).wmCommand[0] == "compiz" || (*it).wmCommand[0] == "beryl" || (*it).wmCommand[0] == "aquamarine" || (*it).wmCommand[0] == "beryl-manager" || (*it).wmCommand[0] == "beryl-settings" || (*it).wmCommand[0] == "kde-window-decorator" || (*it).wmCommand[0] == "emerald")
|
|
continue;
|
|
if ( !(*it).wmCommand.isEmpty() && !(*it).wmClientMachine.isEmpty() ) {
|
|
count++;
|
|
TQString n = TQString::number(count);
|
|
config->writeEntry( TQString("command")+n, (*it).wmCommand );
|
|
config->writeEntry( TQString("clientMachine")+n, (*it).wmClientMachine );
|
|
}
|
|
}
|
|
}
|
|
config->writeEntry( "count", count );
|
|
}
|
|
|
|
/*!
|
|
Restores legacy session management data (i.e. restart applications)
|
|
*/
|
|
void KSMServer::restoreLegacySession( TDEConfig* config )
|
|
{
|
|
if( config->hasGroup( "Legacy" + sessionGroup )) {
|
|
TDEConfigGroupSaver saver( config, "Legacy" + sessionGroup );
|
|
restoreLegacySessionInternal( config );
|
|
} else if( wm == "twin" ) { // backwards comp. - get it from twinrc
|
|
TDEConfigGroupSaver saver( config, sessionGroup );
|
|
int count = config->readNumEntry( "count", 0 );
|
|
for ( int i = 1; i <= count; i++ ) {
|
|
TQString n = TQString::number(i);
|
|
if ( config->readEntry( TQString("program")+n ) != wm )
|
|
continue;
|
|
TQStringList restartCommand =
|
|
config->readListEntry( TQString("restartCommand")+n );
|
|
for( TQStringList::ConstIterator it = restartCommand.begin();
|
|
it != restartCommand.end();
|
|
++it ) {
|
|
if( (*it) == "-session" ) {
|
|
++it;
|
|
if( it != restartCommand.end()) {
|
|
TDEConfig cfg( "session/" + wm + "_" + (*it), true );
|
|
cfg.setGroup( "LegacySession" );
|
|
restoreLegacySessionInternal( &cfg, ' ' );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void KSMServer::restoreLegacySessionInternal( TDEConfig* config, char sep )
|
|
{
|
|
int count = config->readNumEntry( "count" );
|
|
for ( int i = 1; i <= count; i++ ) {
|
|
TQString n = TQString::number(i);
|
|
TQStringList wmCommand = config->readListEntry( TQString("command")+n, sep );
|
|
if( wmCommand.isEmpty())
|
|
continue;
|
|
if( isWM( wmCommand.first()))
|
|
continue;
|
|
startApplication( wmCommand,
|
|
config->readEntry( TQString("clientMachine")+n ),
|
|
config->readEntry( TQString("userId")+n ));
|
|
}
|
|
}
|
|
|
|
static TQCString getQCStringProperty(WId w, Atom prop)
|
|
{
|
|
Atom type;
|
|
int format, status;
|
|
unsigned long nitems = 0;
|
|
unsigned long extra = 0;
|
|
unsigned char *data = 0;
|
|
TQCString result = "";
|
|
status = XGetWindowProperty( tqt_xdisplay(), w, prop, 0, 10000,
|
|
FALSE, XA_STRING, &type, &format,
|
|
&nitems, &extra, &data );
|
|
if ( status == Success) {
|
|
if( data )
|
|
result = (char*)data;
|
|
XFree(data);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
static TQStringList getQStringListProperty(WId w, Atom prop)
|
|
{
|
|
Atom type;
|
|
int format, status;
|
|
unsigned long nitems = 0;
|
|
unsigned long extra = 0;
|
|
unsigned char *data = 0;
|
|
TQStringList result;
|
|
|
|
status = XGetWindowProperty( tqt_xdisplay(), w, prop, 0, 10000,
|
|
FALSE, XA_STRING, &type, &format,
|
|
&nitems, &extra, &data );
|
|
if ( status == Success) {
|
|
if (!data)
|
|
return result;
|
|
for (int i=0; i<(int)nitems; i++) {
|
|
result << TQString::fromLatin1( (const char*)data + i );
|
|
while(data[i]) i++;
|
|
}
|
|
XFree(data);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
TQStringList KSMServer::windowWmCommand(WId w)
|
|
{
|
|
TQStringList ret = getQStringListProperty(w, XA_WM_COMMAND);
|
|
// hacks here
|
|
if( ret.count() == 1 ) {
|
|
TQString command = ret.first();
|
|
// Mozilla is launched using wrapper scripts, so it's launched using "mozilla",
|
|
// but the actual binary is "mozilla-bin" or "<path>/mozilla-bin", and that's what
|
|
// will be also in WM_COMMAND - using this "mozilla-bin" doesn't work at all though
|
|
if( command.endsWith( "mozilla-bin" ))
|
|
return TQStringList() << "mozilla";
|
|
if( command.endsWith( "firefox-bin" ))
|
|
return TQStringList() << "firefox";
|
|
if( command.endsWith( "thunderbird-bin" ))
|
|
return TQStringList() << "thunderbird";
|
|
if( command.endsWith( "sunbird-bin" ))
|
|
return TQStringList() << "sunbird";
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
TQString KSMServer::windowWmClientMachine(WId w)
|
|
{
|
|
TQCString result = getQCStringProperty(w, XA_WM_CLIENT_MACHINE);
|
|
if (result.isEmpty()) {
|
|
result = "localhost";
|
|
} else {
|
|
// special name for the local machine (localhost)
|
|
char hostnamebuf[80];
|
|
if (gethostname (hostnamebuf, sizeof hostnamebuf) >= 0) {
|
|
hostnamebuf[sizeof(hostnamebuf)-1] = 0;
|
|
if (result == hostnamebuf)
|
|
result = "localhost";
|
|
if(char *dot = strchr(hostnamebuf, '.')) {
|
|
*dot = '\0';
|
|
if(result == hostnamebuf)
|
|
result = "localhost";
|
|
}
|
|
}
|
|
}
|
|
return TQString::fromLatin1(result);
|
|
}
|
|
|
|
WId KSMServer::windowWmClientLeader(WId w)
|
|
{
|
|
Atom type;
|
|
int format, status;
|
|
unsigned long nitems = 0;
|
|
unsigned long extra = 0;
|
|
unsigned char *data = 0;
|
|
Window result = w;
|
|
status = XGetWindowProperty( tqt_xdisplay(), w, wm_client_leader, 0, 10000,
|
|
FALSE, XA_WINDOW, &type, &format,
|
|
&nitems, &extra, &data );
|
|
if (status == Success ) {
|
|
if (data && nitems > 0)
|
|
result = *((Window*) data);
|
|
XFree(data);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
|
|
/*
|
|
Returns sessionId for this client,
|
|
taken either from its window or from the leader window.
|
|
*/
|
|
extern Atom tqt_sm_client_id;
|
|
TQCString KSMServer::windowSessionId(WId w, WId leader)
|
|
{
|
|
TQCString result = getQCStringProperty(w, tqt_sm_client_id);
|
|
if (result.isEmpty() && leader != (WId)None && leader != w)
|
|
result = getQCStringProperty(leader, tqt_sm_client_id);
|
|
return result;
|
|
}
|