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1666 lines
51 KiB
1666 lines
51 KiB
//===========================================================================
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//
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// This file is part of the KDE project
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//
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// Copyright (c) 1999 Martin R. Jones <mjones@kde.org>
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// Copyright (c) 2003 Oswald Buddenhagen <ossi@kde.org>
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//
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//kdesktop keeps running and checks user inactivity
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//when it should show screensaver (and maybe lock the session),
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//it starts kdesktop_lock, who does all the locking and who
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//actually starts the screensaver
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//It's done this way to prevent screen unlocking when kdesktop
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//crashes (e.g. because it's set to multiple wallpapers and
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//some image will be corrupted).
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#include <config.h>
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#include "lockprocess.h"
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#include "lockdlg.h"
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#include "infodlg.h"
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#include "querydlg.h"
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#include "autologout.h"
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#include "kdesktopsettings.h"
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#include <dmctl.h>
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#include <dcopref.h>
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#include <kstandarddirs.h>
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#include <kapplication.h>
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#include <kservicegroup.h>
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#include <kdebug.h>
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#include <kmessagebox.h>
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#include <kglobalsettings.h>
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#include <klocale.h>
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#include <klibloader.h>
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#include <kpushbutton.h>
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#include <kstdguiitem.h>
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#include <kpixmapeffect.h>
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#include <kpixmap.h>
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#include <kwin.h>
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#include <kwinmodule.h>
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#include <tqframe.h>
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#include <tqlabel.h>
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#include <tqlayout.h>
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#include <tqcursor.h>
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#include <tqtimer.h>
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#include <tqfile.h>
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#include <tqsocketnotifier.h>
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#include <tqvaluevector.h>
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#include <tqtooltip.h>
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#include <tqdatetime.h>
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#include <stdlib.h>
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#include <assert.h>
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#include <signal.h>
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#ifdef HAVE_SETPRIORITY
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#include <sys/time.h>
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#include <sys/resource.h>
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#endif
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#include <stdio.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <errno.h>
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#include <ctype.h>
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#include <sys/types.h>
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#include <fcntl.h>
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#include <kcrash.h>
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#include <linux/stat.h>
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <X11/keysym.h>
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#include <X11/Xatom.h>
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#include <X11/Intrinsic.h>
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#ifdef HAVE_DPMS
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extern "C" {
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#include <X11/Xmd.h>
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#ifndef Bool
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#define Bool BOOL
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#endif
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#include <X11/extensions/dpms.h>
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#ifndef HAVE_DPMSINFO_PROTO
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Status DPMSInfo ( Display *, CARD16 *, BOOL * );
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#endif
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}
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#endif
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#ifdef HAVE_XF86MISC
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#include <X11/extensions/xf86misc.h>
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#endif
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#ifdef HAVE_GLXCHOOSEVISUAL
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#include <GL/glx.h>
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#endif
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#define LOCK_GRACE_DEFAULT 5000
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#define AUTOLOGOUT_DEFAULT 600
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// These lines are taken on 10/2009 from X.org (X11/XF86keysym.h), defining some special multimedia keys
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#define XF86XK_AudioMute 0x1008FF12
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#define XF86XK_AudioRaiseVolume 0x1008FF13
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#define XF86XK_AudioLowerVolume 0x1008FF11
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#define XF86XK_Display 0x1008FF59
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static Window gVRoot = 0;
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static Window gVRootData = 0;
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static Atom gXA_VROOT;
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static Atom gXA_SCREENSAVER_VERSION;
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static void segv_handler(int)
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{
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printf("[kdesktop_lock] WARNING: A fatal exception was encountered. Trapping and ignoring it so as not to compromise desktop security...\n\r");
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sleep(1);
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}
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extern Atom qt_wm_state;
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//===========================================================================
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//
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// Screen saver handling process. Handles screensaver window,
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// starting screensaver hacks, and password entry.f
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//
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LockProcess::LockProcess(bool child, bool useBlankOnly)
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: TQWidget(0L, "saver window", WX11BypassWM),
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mOpenGLVisual(0),
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child_saver(child),
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mParent(0),
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mUseBlankOnly(useBlankOnly),
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mSuspended(false),
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mVisibility(false),
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mRestoreXF86Lock(false),
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mForbidden(false),
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mAutoLogout(false),
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mVkbdProcess(NULL),
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mKWinModule(NULL),
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mPipeOpen(false),
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mPipeOpen_out(false),
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mInfoMessageDisplayed(false),
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mForceReject(false),
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mDialogControlLock(false),
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currentDialog(NULL),
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resizeTimer(NULL)
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{
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setupSignals();
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setupPipe();
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kapp->installX11EventFilter(this);
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// Get root window size
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XWindowAttributes rootAttr;
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XGetWindowAttributes(qt_xdisplay(), RootWindow(qt_xdisplay(),
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qt_xscreen()), &rootAttr);
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mRootWidth = rootAttr.width;
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mRootHeight = rootAttr.height;
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{ // trigger creation of QToolTipManager, it does XSelectInput() on the root window
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TQWidget w;
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TQToolTip::add( &w, "foo" );
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}
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XSelectInput( qt_xdisplay(), qt_xrootwin(),
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SubstructureNotifyMask | rootAttr.your_event_mask );
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// Add non-KDE path
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KGlobal::dirs()->addResourceType("scrsav",
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KGlobal::dirs()->kde_default("apps") +
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"System/ScreenSavers/");
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// Add KDE specific screensaver path
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TQString relPath="System/ScreenSavers/";
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KServiceGroup::Ptr servGroup = KServiceGroup::baseGroup( "screensavers");
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if (servGroup)
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{
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relPath=servGroup->relPath();
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kdDebug(1204) << "relPath=" << relPath << endl;
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}
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KGlobal::dirs()->addResourceType("scrsav",
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KGlobal::dirs()->kde_default("apps") +
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relPath);
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// virtual root property
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gXA_VROOT = XInternAtom (qt_xdisplay(), "__SWM_VROOT", False);
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gXA_SCREENSAVER_VERSION = XInternAtom (qt_xdisplay(), "_SCREENSAVER_VERSION", False);
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connect(&mHackProc, TQT_SIGNAL(processExited(KProcess *)),
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TQT_SLOT(hackExited(KProcess *)));
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connect(&mSuspendTimer, TQT_SIGNAL(timeout()), TQT_SLOT(suspend()));
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TQStringList dmopt =
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TQStringList::split(TQChar(','),
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TQString::tqfromLatin1( ::getenv( "XDM_MANAGED" )));
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for (TQStringList::ConstIterator it = dmopt.begin(); it != dmopt.end(); ++it)
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if ((*it).startsWith("method="))
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mMethod = (*it).mid(7);
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configure();
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#ifdef HAVE_DPMS
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if (mDPMSDepend) {
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BOOL on;
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CARD16 state;
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DPMSInfo(qt_xdisplay(), &state, &on);
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if (on)
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{
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connect(&mCheckDPMS, TQT_SIGNAL(timeout()), TQT_SLOT(checkDPMSActive()));
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// we can save CPU if we stop it as quickly as possible
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// but we waste CPU if we check too often -> so take 10s
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mCheckDPMS.start(10000);
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}
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}
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#endif
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#if (QT_VERSION-0 >= 0x030200) // XRANDR support
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connect( kapp->desktop(), TQT_SIGNAL( resized( int )), TQT_SLOT( desktopResized()));
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#endif
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greetPlugin.library = 0;
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KCrash::setCrashHandler(segv_handler);
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}
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//---------------------------------------------------------------------------
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//
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// Destructor - usual cleanups.
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//
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LockProcess::~LockProcess()
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{
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if (greetPlugin.library) {
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if (greetPlugin.info->done)
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greetPlugin.info->done();
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greetPlugin.library->unload();
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}
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mPipeOpen = false;
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mPipeOpen_out = false;
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}
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static int signal_pipe[2];
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static void sigterm_handler(int)
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{
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char tmp = 'T';
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::write( signal_pipe[1], &tmp, 1);
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}
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static void sighup_handler(int)
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{
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char tmp = 'H';
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::write( signal_pipe[1], &tmp, 1);
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}
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void LockProcess::timerEvent(TQTimerEvent *ev)
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{
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if (mAutoLogout && ev->timerId() == mAutoLogoutTimerId)
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{
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killTimer(mAutoLogoutTimerId);
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AutoLogout autologout(this);
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execDialog(&autologout);
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}
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}
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void LockProcess::setupPipe()
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{
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/* Create the FIFOs if they do not exist */
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umask(0);
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mkdir(FIFO_DIR,0644);
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mknod(FIFO_FILE, S_IFIFO|0644, 0);
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chmod(FIFO_FILE, 0644);
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mPipe_fd = open(FIFO_FILE, O_RDONLY | O_NONBLOCK);
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if (mPipe_fd > -1) {
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mPipeOpen = true;
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TQTimer::singleShot( PIPE_CHECK_INTERVAL, this, TQT_SLOT(checkPipe()) );
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}
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mknod(FIFO_FILE_OUT, S_IFIFO|0600, 0);
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chmod(FIFO_FILE_OUT, 0600);
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mPipe_fd_out = open(FIFO_FILE_OUT, O_RDWR | O_NONBLOCK);
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if (mPipe_fd_out > -1) {
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mPipeOpen_out = true;
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}
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}
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void LockProcess::checkPipe()
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{
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char readbuf[128];
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int numread;
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TQString to_display;
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const char * pin_entry;
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if (mPipeOpen == true) {
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readbuf[0]=' ';
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numread = read(mPipe_fd, readbuf, 128);
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readbuf[numread] = 0;
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if (numread > 0) {
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if (readbuf[0] == 'C') {
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mInfoMessageDisplayed=false;
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while (mDialogControlLock == true) sleep(1);
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mDialogControlLock = true;
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if (currentDialog != NULL) {
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mForceReject = true;
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currentDialog->close();
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}
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mDialogControlLock = false;
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}
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if (readbuf[0] == 'T') {
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to_display = readbuf;
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to_display = to_display.remove(0,1);
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// Lock out password dialogs and close any active dialog
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mInfoMessageDisplayed=true;
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while (mDialogControlLock == true) sleep(1);
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mDialogControlLock = true;
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if (currentDialog != NULL) {
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mForceReject = true;
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currentDialog->close();
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}
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mDialogControlLock = false;
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// Display info message dialog
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TQTimer::singleShot( PIPE_CHECK_INTERVAL, this, TQT_SLOT(checkPipe()) );
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InfoDlg inDlg( this );
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inDlg.updateLabel(to_display);
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inDlg.setUnlockIcon();
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int ret = execDialog( &inDlg );
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mForceReject = false;
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return;
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}
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if ((readbuf[0] == 'E') || (readbuf[0] == 'W') || (readbuf[0] == 'I') || (readbuf[0] == 'K')) {
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to_display = readbuf;
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to_display = to_display.remove(0,1);
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// Lock out password dialogs and close any active dialog
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mInfoMessageDisplayed=true;
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while (mDialogControlLock == true) sleep(1);
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mDialogControlLock = true;
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if (currentDialog != NULL) {
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mForceReject = true;
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currentDialog->close();
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}
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mDialogControlLock = false;
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// Display info message dialog
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TQTimer::singleShot( PIPE_CHECK_INTERVAL, this, TQT_SLOT(checkPipe()) );
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InfoDlg inDlg( this );
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inDlg.updateLabel(to_display);
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if (readbuf[0] == 'K') inDlg.setKDEIcon();
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if (readbuf[0] == 'I') inDlg.setInfoIcon();
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if (readbuf[0] == 'W') inDlg.setWarningIcon();
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if (readbuf[0] == 'E') inDlg.setErrorIcon();
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int ret = execDialog( &inDlg );
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mForceReject = false;
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return;
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}
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if (readbuf[0] == 'Q') {
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to_display = readbuf;
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to_display = to_display.remove(0,1);
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// Lock out password dialogs and close any active dialog
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mInfoMessageDisplayed=true;
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while (mDialogControlLock == true) sleep(1);
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mDialogControlLock = true;
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if (currentDialog != NULL) {
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mForceReject = true;
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currentDialog->close();
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}
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mDialogControlLock = false;
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// Display query dialog
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TQTimer::singleShot( PIPE_CHECK_INTERVAL, this, TQT_SLOT(checkPipe()) );
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QueryDlg qryDlg( this );
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qryDlg.updateLabel(to_display);
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qryDlg.setUnlockIcon();
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mForceReject = false;
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int ret = execDialog( &qryDlg );
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if (mForceReject == false) {
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pin_entry = qryDlg.getEntry();
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mInfoMessageDisplayed=false;
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if (mPipeOpen_out == true) {
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write(mPipe_fd_out, pin_entry, strlen(pin_entry)+1);
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write(mPipe_fd_out, "\n\r", 3);
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}
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}
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mForceReject = false;
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return;
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}
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}
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TQTimer::singleShot( PIPE_CHECK_INTERVAL, this, TQT_SLOT(checkPipe()) );
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}
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}
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void LockProcess::setupSignals()
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{
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struct sigaction act;
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// ignore SIGINT
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act.sa_handler=SIG_IGN;
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sigemptyset(&(act.sa_mask));
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sigaddset(&(act.sa_mask), SIGINT);
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act.sa_flags = 0;
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sigaction(SIGINT, &act, 0L);
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// ignore SIGQUIT
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act.sa_handler=SIG_IGN;
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sigemptyset(&(act.sa_mask));
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sigaddset(&(act.sa_mask), SIGQUIT);
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act.sa_flags = 0;
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sigaction(SIGQUIT, &act, 0L);
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// exit cleanly on SIGTERM
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act.sa_handler= sigterm_handler;
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sigemptyset(&(act.sa_mask));
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sigaddset(&(act.sa_mask), SIGTERM);
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act.sa_flags = 0;
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sigaction(SIGTERM, &act, 0L);
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// SIGHUP forces lock
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act.sa_handler= sighup_handler;
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sigemptyset(&(act.sa_mask));
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sigaddset(&(act.sa_mask), SIGHUP);
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act.sa_flags = 0;
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sigaction(SIGHUP, &act, 0L);
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pipe(signal_pipe);
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TQSocketNotifier* notif = new TQSocketNotifier(signal_pipe[0],
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TQSocketNotifier::Read, TQT_TQOBJECT(this) );
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connect( notif, TQT_SIGNAL(activated(int)), TQT_SLOT(signalPipeSignal()));
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}
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void LockProcess::signalPipeSignal()
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{
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char tmp;
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::read( signal_pipe[0], &tmp, 1);
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if( tmp == 'T' )
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quitSaver();
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else if( tmp == 'H' ) {
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if( !mLocked )
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startLock();
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}
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}
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//---------------------------------------------------------------------------
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bool LockProcess::lock()
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{
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if (startSaver()) {
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// In case of a forced lock we don't react to events during
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// the dead-time to give the screensaver some time to activate.
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// That way we don't accidentally show the password dialog before
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// the screensaver kicks in because the user moved the mouse after
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// selecting "lock screen", that looks really untidy.
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mBusy = true;
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if (startLock())
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{
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TQTimer::singleShot(1000, this, TQT_SLOT(slotDeadTimePassed()));
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return true;
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}
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stopSaver();
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mBusy = false;
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}
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return false;
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}
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//---------------------------------------------------------------------------
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void LockProcess::slotDeadTimePassed()
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{
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mBusy = false;
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}
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//---------------------------------------------------------------------------
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bool LockProcess::defaultSave()
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{
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mLocked = false;
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if (startSaver()) {
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if (mLockGrace >= 0)
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TQTimer::singleShot(mLockGrace, this, TQT_SLOT(startLock()));
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return true;
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}
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return false;
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}
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//---------------------------------------------------------------------------
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bool LockProcess::dontLock()
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{
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mLocked = false;
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return startSaver();
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}
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//---------------------------------------------------------------------------
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void LockProcess::quitSaver()
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{
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stopSaver();
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kapp->quit();
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}
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|
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//---------------------------------------------------------------------------
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//
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// Read and apply configuration.
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//
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void LockProcess::configure()
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{
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// the configuration is stored in kdesktop's config file
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if( KDesktopSettings::lock() )
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{
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mLockGrace = KDesktopSettings::lockGrace();
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if (mLockGrace < 0)
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mLockGrace = 0;
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else if (mLockGrace > 300000)
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mLockGrace = 300000; // 5 minutes, keep the value sane
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}
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else
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mLockGrace = -1;
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if ( KDesktopSettings::autoLogout() )
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{
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mAutoLogout = true;
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mAutoLogoutTimeout = KDesktopSettings::autoLogoutTimeout();
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mAutoLogoutTimerId = startTimer(mAutoLogoutTimeout * 1000); // in milliseconds
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}
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|
|
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#ifdef HAVE_DPMS
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|
//if the user decided that the screensaver should run independent from
|
|
//dpms, we shouldn't check for it, aleXXX
|
|
mDPMSDepend = KDesktopSettings::dpmsDependent();
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|
#endif
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|
|
mPriority = KDesktopSettings::priority();
|
|
if (mPriority < 0) mPriority = 0;
|
|
if (mPriority > 19) mPriority = 19;
|
|
|
|
mSaver = KDesktopSettings::saver();
|
|
if (mSaver.isEmpty() || mUseBlankOnly)
|
|
mSaver = "KBlankscreen.desktop";
|
|
|
|
readSaver();
|
|
|
|
mPlugins = KDesktopSettings::pluginsUnlock();
|
|
if (mPlugins.isEmpty())
|
|
mPlugins = TQStringList("classic");
|
|
mPluginOptions = KDesktopSettings::pluginOptions();
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
//
|
|
// Read the command line needed to run the screensaver given a .desktop file.
|
|
//
|
|
void LockProcess::readSaver()
|
|
{
|
|
if (!mSaver.isEmpty())
|
|
{
|
|
TQString file = locate("scrsav", mSaver);
|
|
|
|
bool opengl = kapp->authorize("opengl_screensavers");
|
|
bool manipulatescreen = kapp->authorize("manipulatescreen_screensavers");
|
|
KDesktopFile config(file, true);
|
|
if (config.readEntry("X-KDE-Type").utf8() != 0)
|
|
{
|
|
TQString saverType = config.readEntry("X-KDE-Type").utf8();
|
|
TQStringList saverTypes = TQStringList::split(";", saverType);
|
|
for (uint i = 0; i < saverTypes.count(); i++)
|
|
{
|
|
if ((saverTypes[i] == "ManipulateScreen") && !manipulatescreen)
|
|
{
|
|
kdDebug(1204) << "Screensaver is type ManipulateScreen and ManipulateScreen is forbidden" << endl;
|
|
mForbidden = true;
|
|
}
|
|
if ((saverTypes[i] == "OpenGL") && !opengl)
|
|
{
|
|
kdDebug(1204) << "Screensaver is type OpenGL and OpenGL is forbidden" << endl;
|
|
mForbidden = true;
|
|
}
|
|
if (saverTypes[i] == "OpenGL")
|
|
{
|
|
mOpenGLVisual = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
kdDebug(1204) << "mForbidden: " << (mForbidden ? "true" : "false") << endl;
|
|
|
|
if (config.hasActionGroup("Root"))
|
|
{
|
|
config.setActionGroup("Root");
|
|
mSaverExec = config.readPathEntry("Exec");
|
|
}
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
//
|
|
// Create a window to draw our screen saver on.
|
|
//
|
|
void LockProcess::createSaverWindow()
|
|
{
|
|
Visual* visual = CopyFromParent;
|
|
XSetWindowAttributes attrs;
|
|
int flags = CWOverrideRedirect;
|
|
#ifdef HAVE_GLXCHOOSEVISUAL
|
|
if( mOpenGLVisual )
|
|
{
|
|
static int attribs[][ 15 ] =
|
|
{
|
|
#define R GLX_RED_SIZE
|
|
#define G GLX_GREEN_SIZE
|
|
#define B GLX_BLUE_SIZE
|
|
{ GLX_RGBA, R, 8, G, 8, B, 8, GLX_DEPTH_SIZE, 8, GLX_DOUBLEBUFFER, GLX_STENCIL_SIZE, 1, None },
|
|
{ GLX_RGBA, R, 4, G, 4, B, 4, GLX_DEPTH_SIZE, 4, GLX_DOUBLEBUFFER, GLX_STENCIL_SIZE, 1, None },
|
|
{ GLX_RGBA, R, 8, G, 8, B, 8, GLX_DEPTH_SIZE, 8, GLX_DOUBLEBUFFER, None },
|
|
{ GLX_RGBA, R, 4, G, 4, B, 4, GLX_DEPTH_SIZE, 4, GLX_DOUBLEBUFFER, None },
|
|
{ GLX_RGBA, R, 8, G, 8, B, 8, GLX_DEPTH_SIZE, 8, GLX_STENCIL_SIZE, 1, None },
|
|
{ GLX_RGBA, R, 4, G, 4, B, 4, GLX_DEPTH_SIZE, 4, GLX_STENCIL_SIZE, 1, None },
|
|
{ GLX_RGBA, R, 8, G, 8, B, 8, GLX_DEPTH_SIZE, 8, None },
|
|
{ GLX_RGBA, R, 4, G, 4, B, 4, GLX_DEPTH_SIZE, 4, None },
|
|
{ GLX_RGBA, GLX_DEPTH_SIZE, 8, GLX_DOUBLEBUFFER, GLX_STENCIL_SIZE, 1, None },
|
|
{ GLX_RGBA, GLX_DEPTH_SIZE, 8, GLX_DOUBLEBUFFER, None },
|
|
{ GLX_RGBA, GLX_DEPTH_SIZE, 8, GLX_STENCIL_SIZE, 1, None },
|
|
{ GLX_RGBA, GLX_DEPTH_SIZE, 8, None }
|
|
#undef R
|
|
#undef G
|
|
#undef B
|
|
};
|
|
for( unsigned int i = 0;
|
|
i < sizeof( attribs ) / sizeof( attribs[ 0 ] );
|
|
++i )
|
|
{
|
|
if( XVisualInfo* info = glXChooseVisual( x11Display(), x11Screen(), attribs[ i ] ))
|
|
{
|
|
visual = info->visual;
|
|
static Colormap colormap = 0;
|
|
if( colormap != 0 )
|
|
XFreeColormap( x11Display(), colormap );
|
|
colormap = XCreateColormap( x11Display(), RootWindow( x11Display(), x11Screen()), visual, AllocNone );
|
|
attrs.colormap = colormap;
|
|
flags |= CWColormap;
|
|
XFree( info );
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
attrs.override_redirect = 1;
|
|
hide();
|
|
Window w = XCreateWindow( x11Display(), RootWindow( x11Display(), x11Screen()),
|
|
x(), y(), width(), height(), 0, x11Depth(), InputOutput, visual, flags, &attrs );
|
|
create( w );
|
|
|
|
// Some xscreensaver hacks check for this property
|
|
const char *version = "KDE 2.0";
|
|
XChangeProperty (qt_xdisplay(), winId(),
|
|
gXA_SCREENSAVER_VERSION, XA_STRING, 8, PropModeReplace,
|
|
(unsigned char *) version, strlen(version));
|
|
|
|
XSetWindowAttributes attr;
|
|
attr.event_mask = KeyPressMask | ButtonPressMask | PointerMotionMask |
|
|
VisibilityChangeMask | ExposureMask;
|
|
XChangeWindowAttributes(qt_xdisplay(), winId(),
|
|
CWEventMask, &attr);
|
|
|
|
// erase();
|
|
|
|
// set NoBackground so that the saver can capture the current
|
|
// screen state if necessary
|
|
setBackgroundMode(TQWidget::NoBackground);
|
|
|
|
setCursor( tqblankCursor );
|
|
setGeometry(0, 0, mRootWidth, mRootHeight);
|
|
|
|
kdDebug(1204) << "Saver window Id: " << winId() << endl;
|
|
}
|
|
|
|
void LockProcess::desktopResized()
|
|
{
|
|
mBusy = true;
|
|
suspend();
|
|
setCursor( tqblankCursor );
|
|
|
|
// Get root window size
|
|
XWindowAttributes rootAttr;
|
|
XGetWindowAttributes(qt_xdisplay(), RootWindow(qt_xdisplay(), qt_xscreen()), &rootAttr);
|
|
mRootWidth = rootAttr.width;
|
|
mRootHeight = rootAttr.height;
|
|
|
|
setGeometry(0, 0, mRootWidth, mRootHeight);
|
|
|
|
// This slot needs to be able to execute very rapidly so as to prevent the user's desktop from ever
|
|
// being displayed, so we finish the hack restarting/display prettying operations in a separate timed slot
|
|
if (resizeTimer == NULL) {
|
|
resizeTimer = new TQTimer( this );
|
|
connect( resizeTimer, TQT_SIGNAL(timeout()), this, TQT_SLOT(doDesktopResizeFinish()) );
|
|
}
|
|
resizeTimer->start( 100, TRUE ); // 100 millisecond single shot timer; should allow display switching operations to finish before hack is started
|
|
}
|
|
|
|
void LockProcess::doDesktopResizeFinish()
|
|
{
|
|
stopHack();
|
|
|
|
while (mDialogControlLock == true) sleep(1);
|
|
mDialogControlLock = true;
|
|
if (currentDialog != NULL) {
|
|
mForceReject = true;
|
|
currentDialog->close();
|
|
}
|
|
mDialogControlLock = false;
|
|
|
|
// Restart the hack as the window size is now different
|
|
startHack();
|
|
|
|
mBusy = false;
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
//
|
|
// Hide the screensaver window
|
|
//
|
|
void LockProcess::hideSaverWindow()
|
|
{
|
|
hide();
|
|
lower();
|
|
removeVRoot(winId());
|
|
XDeleteProperty(qt_xdisplay(), winId(), gXA_SCREENSAVER_VERSION);
|
|
if ( gVRoot ) {
|
|
unsigned long vroot_data[1] = { gVRootData };
|
|
XChangeProperty(qt_xdisplay(), gVRoot, gXA_VROOT, XA_WINDOW, 32,
|
|
PropModeReplace, (unsigned char *)vroot_data, 1);
|
|
gVRoot = 0;
|
|
}
|
|
XSync(qt_xdisplay(), False);
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
static int ignoreXError(Display *, XErrorEvent *)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
//
|
|
// Save the current virtual root window
|
|
//
|
|
void LockProcess::saveVRoot()
|
|
{
|
|
Window rootReturn, parentReturn, *children;
|
|
unsigned int numChildren;
|
|
Window root = RootWindowOfScreen(ScreenOfDisplay(qt_xdisplay(), qt_xscreen()));
|
|
|
|
gVRoot = 0;
|
|
gVRootData = 0;
|
|
|
|
int (*oldHandler)(Display *, XErrorEvent *);
|
|
oldHandler = XSetErrorHandler(ignoreXError);
|
|
|
|
if (XQueryTree(qt_xdisplay(), root, &rootReturn, &parentReturn,
|
|
&children, &numChildren))
|
|
{
|
|
for (unsigned int i = 0; i < numChildren; i++)
|
|
{
|
|
Atom actual_type;
|
|
int actual_format;
|
|
unsigned long nitems, bytesafter;
|
|
unsigned char *newRoot = 0;
|
|
|
|
if ((XGetWindowProperty(qt_xdisplay(), children[i], gXA_VROOT, 0, 1,
|
|
False, XA_WINDOW, &actual_type, &actual_format, &nitems, &bytesafter,
|
|
&newRoot) == Success) && newRoot)
|
|
{
|
|
gVRoot = children[i];
|
|
Window *dummy = (Window*)newRoot;
|
|
gVRootData = *dummy;
|
|
XFree ((char*) newRoot);
|
|
break;
|
|
}
|
|
}
|
|
if (children)
|
|
{
|
|
XFree((char *)children);
|
|
}
|
|
}
|
|
|
|
XSetErrorHandler(oldHandler);
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
//
|
|
// Set the virtual root property
|
|
//
|
|
void LockProcess::setVRoot(Window win, Window vr)
|
|
{
|
|
if (gVRoot)
|
|
removeVRoot(gVRoot);
|
|
|
|
unsigned long rw = RootWindowOfScreen(ScreenOfDisplay(qt_xdisplay(), qt_xscreen()));
|
|
unsigned long vroot_data[1] = { vr };
|
|
|
|
Window rootReturn, parentReturn, *children;
|
|
unsigned int numChildren;
|
|
Window top = win;
|
|
while (1) {
|
|
XQueryTree(qt_xdisplay(), top , &rootReturn, &parentReturn,
|
|
&children, &numChildren);
|
|
if (children)
|
|
XFree((char *)children);
|
|
if (parentReturn == rw) {
|
|
break;
|
|
} else
|
|
top = parentReturn;
|
|
}
|
|
|
|
XChangeProperty(qt_xdisplay(), top, gXA_VROOT, XA_WINDOW, 32,
|
|
PropModeReplace, (unsigned char *)vroot_data, 1);
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
//
|
|
// Remove the virtual root property
|
|
//
|
|
void LockProcess::removeVRoot(Window win)
|
|
{
|
|
XDeleteProperty (qt_xdisplay(), win, gXA_VROOT);
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
//
|
|
// Grab the keyboard. Returns true on success
|
|
//
|
|
bool LockProcess::grabKeyboard()
|
|
{
|
|
int rv = XGrabKeyboard( qt_xdisplay(), TQApplication::desktop()->winId(),
|
|
True, GrabModeAsync, GrabModeAsync, CurrentTime );
|
|
|
|
return (rv == GrabSuccess);
|
|
}
|
|
|
|
#define GRABEVENTS ButtonPressMask | ButtonReleaseMask | PointerMotionMask | \
|
|
EnterWindowMask | LeaveWindowMask
|
|
|
|
//---------------------------------------------------------------------------
|
|
//
|
|
// Grab the mouse. Returns true on success
|
|
//
|
|
bool LockProcess::grabMouse()
|
|
{
|
|
int rv = XGrabPointer( qt_xdisplay(), TQApplication::desktop()->winId(),
|
|
True, GRABEVENTS, GrabModeAsync, GrabModeAsync, None,
|
|
TQCursor(tqblankCursor).handle(), CurrentTime );
|
|
|
|
return (rv == GrabSuccess);
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
//
|
|
// Grab keyboard and mouse. Returns true on success.
|
|
//
|
|
bool LockProcess::grabInput()
|
|
{
|
|
XSync(qt_xdisplay(), False);
|
|
|
|
if (!grabKeyboard())
|
|
{
|
|
sleep(1);
|
|
if (!grabKeyboard())
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (!grabMouse())
|
|
{
|
|
sleep(1);
|
|
if (!grabMouse())
|
|
{
|
|
XUngrabKeyboard(qt_xdisplay(), CurrentTime);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
lockXF86();
|
|
|
|
return true;
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
//
|
|
// Release mouse an keyboard grab.
|
|
//
|
|
void LockProcess::ungrabInput()
|
|
{
|
|
XUngrabKeyboard(qt_xdisplay(), CurrentTime);
|
|
XUngrabPointer(qt_xdisplay(), CurrentTime);
|
|
unlockXF86();
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
//
|
|
// Start the screen saver.
|
|
//
|
|
bool LockProcess::startSaver()
|
|
{
|
|
if (!child_saver && !grabInput())
|
|
{
|
|
kdWarning(1204) << "LockProcess::startSaver() grabInput() failed!!!!" << endl;
|
|
return false;
|
|
}
|
|
mBusy = false;
|
|
|
|
saveVRoot();
|
|
|
|
if (mParent) {
|
|
TQSocketNotifier *notifier = new TQSocketNotifier(mParent, TQSocketNotifier::Read, TQT_TQOBJECT(this), "notifier");
|
|
connect(notifier, TQT_SIGNAL( activated (int)), TQT_SLOT( quitSaver()));
|
|
}
|
|
createSaverWindow();
|
|
move(0, 0);
|
|
show();
|
|
setCursor( tqblankCursor );
|
|
|
|
raise();
|
|
XSync(qt_xdisplay(), False);
|
|
setVRoot( winId(), winId() );
|
|
startHack();
|
|
return true;
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
//
|
|
// Stop the screen saver.
|
|
//
|
|
void LockProcess::stopSaver()
|
|
{
|
|
kdDebug(1204) << "LockProcess: stopping saver" << endl;
|
|
resume( true );
|
|
stopHack();
|
|
hideSaverWindow();
|
|
mVisibility = false;
|
|
if (!child_saver) {
|
|
if (mLocked)
|
|
DM().setLock( false );
|
|
ungrabInput();
|
|
const char *out = "GOAWAY!";
|
|
for (TQValueList<int>::ConstIterator it = child_sockets.begin(); it != child_sockets.end(); ++it)
|
|
write(*it, out, sizeof(out));
|
|
}
|
|
}
|
|
|
|
// private static
|
|
TQVariant LockProcess::getConf(void *ctx, const char *key, const TQVariant &dflt)
|
|
{
|
|
LockProcess *that = (LockProcess *)ctx;
|
|
TQString fkey = TQString::tqfromLatin1( key ) + '=';
|
|
for (TQStringList::ConstIterator it = that->mPluginOptions.begin();
|
|
it != that->mPluginOptions.end(); ++it)
|
|
if ((*it).startsWith( fkey ))
|
|
return (*it).mid( fkey.length() );
|
|
return dflt;
|
|
}
|
|
|
|
void LockProcess::cantLock( const TQString &txt)
|
|
{
|
|
msgBox( TQMessageBox::Critical, i18n("Will not lock the session, as unlocking would be impossible:\n") + txt );
|
|
}
|
|
|
|
#if 0 // placeholders for later
|
|
i18n("Cannot start <i>kcheckpass</i>.");
|
|
i18n("<i>kcheckpass</i> is unable to operate. Possibly it is not SetUID root.");
|
|
#endif
|
|
|
|
//---------------------------------------------------------------------------
|
|
//
|
|
// Make the screen saver password protected.
|
|
//
|
|
bool LockProcess::startLock()
|
|
{
|
|
for (TQStringList::ConstIterator it = mPlugins.begin(); it != mPlugins.end(); ++it) {
|
|
GreeterPluginHandle plugin;
|
|
TQString path = KLibLoader::self()->findLibrary(
|
|
((*it)[0] == '/' ? *it : "kgreet_" + *it ).latin1() );
|
|
if (path.isEmpty()) {
|
|
kdWarning(1204) << "GreeterPlugin " << *it << " does not exist" << endl;
|
|
continue;
|
|
}
|
|
if (!(plugin.library = KLibLoader::self()->library( path.latin1() ))) {
|
|
kdWarning(1204) << "Cannot load GreeterPlugin " << *it << " (" << path << ")" << endl;
|
|
continue;
|
|
}
|
|
if (!plugin.library->hasSymbol( "kgreeterplugin_info" )) {
|
|
kdWarning(1204) << "GreeterPlugin " << *it << " (" << path << ") is no valid greet widget plugin" << endl;
|
|
plugin.library->unload();
|
|
continue;
|
|
}
|
|
plugin.info = (kgreeterplugin_info*)plugin.library->symbol( "kgreeterplugin_info" );
|
|
if (plugin.info->method && !mMethod.isEmpty() && mMethod != plugin.info->method) {
|
|
kdDebug(1204) << "GreeterPlugin " << *it << " (" << path << ") serves " << plugin.info->method << ", not " << mMethod << endl;
|
|
plugin.library->unload();
|
|
continue;
|
|
}
|
|
if (!plugin.info->init( mMethod, getConf, this )) {
|
|
kdDebug(1204) << "GreeterPlugin " << *it << " (" << path << ") refuses to serve " << mMethod << endl;
|
|
plugin.library->unload();
|
|
continue;
|
|
}
|
|
kdDebug(1204) << "GreeterPlugin " << *it << " (" << plugin.info->method << ", " << plugin.info->name << ") loaded" << endl;
|
|
greetPlugin = plugin;
|
|
mLocked = true;
|
|
DM().setLock( true );
|
|
return true;
|
|
}
|
|
cantLock( i18n("No appropriate greeter plugin configured.") );
|
|
return false;
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
//
|
|
|
|
|
|
bool LockProcess::startHack()
|
|
{
|
|
if (mSaverExec.isEmpty())
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (mHackProc.isRunning())
|
|
{
|
|
stopHack();
|
|
}
|
|
|
|
mHackProc.clearArguments();
|
|
|
|
TQTextStream ts(&mSaverExec, IO_ReadOnly);
|
|
TQString word;
|
|
ts >> word;
|
|
TQString path = KStandardDirs::findExe(word);
|
|
|
|
if (!path.isEmpty())
|
|
{
|
|
mHackProc << path;
|
|
|
|
kdDebug(1204) << "Starting hack: " << path << endl;
|
|
|
|
while (!ts.atEnd())
|
|
{
|
|
ts >> word;
|
|
if (word == "%w")
|
|
{
|
|
word = word.setNum(winId());
|
|
}
|
|
mHackProc << word;
|
|
}
|
|
|
|
if (!mForbidden)
|
|
{
|
|
|
|
if (mHackProc.start() == true)
|
|
{
|
|
#ifdef HAVE_SETPRIORITY
|
|
setpriority(PRIO_PROCESS, mHackProc.pid(), mPriority);
|
|
#endif
|
|
//bitBlt(this, 0, 0, &mOriginal);
|
|
return true;
|
|
}
|
|
}
|
|
else
|
|
// we aren't allowed to start the specified screensaver either because it didn't run for some reason
|
|
// according to the kiosk restrictions forbid it
|
|
{
|
|
setBackgroundColor(black);
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
//
|
|
void LockProcess::stopHack()
|
|
{
|
|
if (mHackProc.isRunning())
|
|
{
|
|
mHackProc.kill();
|
|
if (!mHackProc.wait(10))
|
|
{
|
|
mHackProc.kill(SIGKILL);
|
|
}
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
//
|
|
void LockProcess::hackExited(KProcess *)
|
|
{
|
|
// Hack exited while we're supposed to be saving the screen.
|
|
// Make sure the saver window is black.
|
|
setBackgroundColor(black);
|
|
}
|
|
|
|
void LockProcess::suspend()
|
|
{
|
|
if(!mSuspended)
|
|
{
|
|
mHackProc.kill(SIGSTOP);
|
|
TQApplication::syncX();
|
|
mSavedScreen = TQPixmap::grabWindow( winId());
|
|
}
|
|
mSuspended = true;
|
|
}
|
|
|
|
void LockProcess::resume( bool force )
|
|
{
|
|
if( !force && (!mDialogs.isEmpty() || !mVisibility ))
|
|
return; // no resuming with dialog visible or when not visible
|
|
if(mSuspended)
|
|
{
|
|
XForceScreenSaver(qt_xdisplay(), ScreenSaverReset );
|
|
bitBlt( this, 0, 0, &mSavedScreen );
|
|
TQApplication::syncX();
|
|
mHackProc.kill(SIGCONT);
|
|
}
|
|
mSuspended = false;
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
//
|
|
// Show the password dialog
|
|
// This is called only in the master process
|
|
//
|
|
bool LockProcess::checkPass()
|
|
{
|
|
if (mInfoMessageDisplayed == false) {
|
|
if (mAutoLogout)
|
|
killTimer(mAutoLogoutTimerId);
|
|
|
|
showVkbd();
|
|
PasswordDlg passDlg( this, &greetPlugin);
|
|
int ret = execDialog( &passDlg );
|
|
hideVkbd();
|
|
|
|
if (mForceReject == true) {
|
|
ret = TQDialog::Rejected;
|
|
}
|
|
mForceReject = false;
|
|
|
|
XWindowAttributes rootAttr;
|
|
XGetWindowAttributes(qt_xdisplay(), RootWindow(qt_xdisplay(),
|
|
qt_xscreen()), &rootAttr);
|
|
if(( rootAttr.your_event_mask & SubstructureNotifyMask ) == 0 )
|
|
{
|
|
kdWarning() << "ERROR: Something removed SubstructureNotifyMask from the root window!!!" << endl;
|
|
XSelectInput( qt_xdisplay(), qt_xrootwin(),
|
|
SubstructureNotifyMask | rootAttr.your_event_mask );
|
|
}
|
|
|
|
return ret == TQDialog::Accepted;
|
|
}
|
|
else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static void fakeFocusIn( WId window )
|
|
{
|
|
// We have keyboard grab, so this application will
|
|
// get keyboard events even without having focus.
|
|
// Fake FocusIn to make Qt realize it has the active
|
|
// window, so that it will correctly show cursor in the dialog.
|
|
XEvent ev;
|
|
memset(&ev, 0, sizeof(ev));
|
|
ev.xfocus.display = qt_xdisplay();
|
|
ev.xfocus.type = FocusIn;
|
|
ev.xfocus.window = window;
|
|
ev.xfocus.mode = NotifyNormal;
|
|
ev.xfocus.detail = NotifyAncestor;
|
|
XSendEvent( qt_xdisplay(), window, False, NoEventMask, &ev );
|
|
}
|
|
|
|
int LockProcess::execDialog( TQDialog *dlg )
|
|
{
|
|
currentDialog=dlg;
|
|
dlg->adjustSize();
|
|
|
|
TQRect rect = dlg->geometry();
|
|
rect.moveCenter(KGlobalSettings::desktopGeometry(TQCursor::pos()).center());
|
|
dlg->move( rect.topLeft() );
|
|
|
|
if (mDialogs.isEmpty())
|
|
{
|
|
suspend();
|
|
XChangeActivePointerGrab( qt_xdisplay(), GRABEVENTS,
|
|
TQCursor(tqarrowCursor).handle(), CurrentTime);
|
|
}
|
|
mDialogs.prepend( dlg );
|
|
fakeFocusIn( dlg->winId());
|
|
int rt = dlg->exec();
|
|
while (mDialogControlLock == true) sleep(1);
|
|
currentDialog = NULL;
|
|
mDialogs.remove( dlg );
|
|
if( mDialogs.isEmpty() ) {
|
|
XChangeActivePointerGrab( qt_xdisplay(), GRABEVENTS,
|
|
TQCursor(tqblankCursor).handle(), CurrentTime);
|
|
resume( false );
|
|
} else
|
|
fakeFocusIn( mDialogs.first()->winId());
|
|
return rt;
|
|
}
|
|
|
|
void LockProcess::preparePopup()
|
|
{
|
|
TQWidget *dlg = (TQWidget *)sender();
|
|
mDialogs.prepend( dlg );
|
|
fakeFocusIn( dlg->winId() );
|
|
}
|
|
|
|
void LockProcess::cleanupPopup()
|
|
{
|
|
TQWidget *dlg = (TQWidget *)sender();
|
|
mDialogs.remove( dlg );
|
|
fakeFocusIn( mDialogs.first()->winId() );
|
|
}
|
|
|
|
void LockProcess::doFunctionKeyBroadcast() {
|
|
// Provide a clean, pretty display switch by hiding the password dialog here
|
|
mBusy=true;
|
|
TQTimer::singleShot(1000, this, TQT_SLOT(slotDeadTimePassed()));
|
|
if (mkeyCode == XKeysymToKeycode(qt_xdisplay(), XF86XK_Display)) {
|
|
while (mDialogControlLock == true) sleep(1);
|
|
mDialogControlLock = true;
|
|
if (currentDialog != NULL) {
|
|
mForceReject = true;
|
|
currentDialog->close();
|
|
}
|
|
mDialogControlLock = false;
|
|
}
|
|
setCursor( tqblankCursor );
|
|
|
|
DCOPRef ref( "*", "MainApplication-Interface");
|
|
ref.send("sendFakeKey", DCOPArg(mkeyCode , "unsigned int"));
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
//
|
|
// X11 Event.
|
|
//
|
|
bool LockProcess::x11Event(XEvent *event)
|
|
{
|
|
// Allow certain very specific keypresses through
|
|
// Key: Reason:
|
|
// XF86Display You need to be able to see the screen when unlocking your computer
|
|
// XF86AudioMute Would be nice to be able to shut your computer up in an emergency while it is locked
|
|
// XF86AudioRaiseVolume Ditto
|
|
// XF86AudioLowerVolume Ditto
|
|
|
|
//if ((event->type == KeyPress) || (event->type == KeyRelease)) {
|
|
if (event->type == KeyPress) {
|
|
if ((event->xkey.keycode == XKeysymToKeycode(event->xkey.display, XF86XK_Display)) || \
|
|
(event->xkey.keycode == XKeysymToKeycode(event->xkey.display, XF86XK_AudioMute)) || \
|
|
(event->xkey.keycode == XKeysymToKeycode(event->xkey.display, XF86XK_AudioRaiseVolume)) || \
|
|
(event->xkey.keycode == XKeysymToKeycode(event->xkey.display, XF86XK_AudioLowerVolume))) {
|
|
mkeyCode = event->xkey.keycode;
|
|
TQTimer::singleShot( 100, this, TQT_SLOT(doFunctionKeyBroadcast()) );
|
|
return true;
|
|
}
|
|
}
|
|
|
|
switch (event->type)
|
|
{
|
|
case ButtonPress:
|
|
case MotionNotify:
|
|
case ButtonRelease:
|
|
if( forwardVkbdEvent( event ))
|
|
return true; // filter out
|
|
// fall through
|
|
case KeyPress:
|
|
if (mBusy || !mDialogs.isEmpty())
|
|
break;
|
|
mBusy = true;
|
|
if (!mLocked || checkPass())
|
|
{
|
|
stopSaver();
|
|
kapp->quit();
|
|
}
|
|
else if (mAutoLogout) // we need to restart the auto logout countdown
|
|
{
|
|
killTimer(mAutoLogoutTimerId);
|
|
mAutoLogoutTimerId = startTimer(mAutoLogoutTimeout);
|
|
}
|
|
mBusy = false;
|
|
return true;
|
|
|
|
case VisibilityNotify:
|
|
if( event->xvisibility.window == winId())
|
|
{ // mVisibility == false means the screensaver is not visible at all
|
|
// e.g. when switched to text console
|
|
mVisibility = !(event->xvisibility.state == VisibilityFullyObscured);
|
|
if(!mVisibility)
|
|
mSuspendTimer.start(2000, true);
|
|
else
|
|
{
|
|
mSuspendTimer.stop();
|
|
resume( false );
|
|
}
|
|
if (event->xvisibility.state != VisibilityUnobscured)
|
|
stayOnTop();
|
|
}
|
|
break;
|
|
|
|
case ConfigureNotify: // from SubstructureNotifyMask on the root window
|
|
if(event->xconfigure.event == qt_xrootwin())
|
|
stayOnTop();
|
|
for( TQValueList< VkbdWindow >::Iterator it = mVkbdWindows.begin();
|
|
it != mVkbdWindows.end();
|
|
++it ) {
|
|
if( (*it).id == event->xconfigure.window ) {
|
|
(*it).rect = TQRect( event->xconfigure.x, event->xconfigure.y,
|
|
event->xconfigure.width, event->xconfigure.height );
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
case MapNotify: // from SubstructureNotifyMask on the root window
|
|
windowAdded( event->xmap.window, false );
|
|
if( event->xmap.event == qt_xrootwin())
|
|
stayOnTop();
|
|
break;
|
|
case DestroyNotify:
|
|
for( TQValueList< VkbdWindow >::Iterator it = mVkbdWindows.begin();
|
|
it != mVkbdWindows.end();
|
|
++it )
|
|
if( (*it).id == event->xdestroywindow.window ) {
|
|
mVkbdWindows.remove( it );
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
|
|
// We have grab with the grab window being the root window.
|
|
// This results in key events being sent to the root window,
|
|
// but they should be sent to the dialog if it's visible.
|
|
// It could be solved by setFocus() call, but that would mess
|
|
// the focus after this process exits.
|
|
// Qt seems to be quite hard to persuade to redirect the event,
|
|
// so let's simply dupe it with correct destination window,
|
|
// and ignore the original one.
|
|
if(!mDialogs.isEmpty() && ( event->type == KeyPress || event->type == KeyRelease)
|
|
&& event->xkey.window != mDialogs.first()->winId())
|
|
{
|
|
XEvent ev2 = *event;
|
|
ev2.xkey.window = ev2.xkey.subwindow = mDialogs.first()->winId();
|
|
tqApp->x11ProcessEvent( &ev2 );
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void LockProcess::stayOnTop()
|
|
{
|
|
if(!mDialogs.isEmpty() || !mVkbdWindows.isEmpty())
|
|
{
|
|
// this restacking is written in a way so that
|
|
// if the stacking positions actually don't change,
|
|
// all restacking operations will be no-op,
|
|
// and no ConfigureNotify will be generated,
|
|
// thus avoiding possible infinite loops
|
|
if( !mVkbdWindows.isEmpty())
|
|
XRaiseWindow( qt_xdisplay(), mVkbdWindows.first().id );
|
|
else
|
|
XRaiseWindow( qt_xdisplay(), mDialogs.first()->winId()); // raise topmost
|
|
// and stack others below it
|
|
Window* stack = new Window[ mDialogs.count() + mVkbdWindows.count() + 1 ];
|
|
int count = 0;
|
|
for( TQValueList< VkbdWindow >::ConstIterator it = mVkbdWindows.begin();
|
|
it != mVkbdWindows.end();
|
|
++it )
|
|
stack[ count++ ] = (*it).id;
|
|
for( TQValueList< TQWidget* >::ConstIterator it = mDialogs.begin();
|
|
it != mDialogs.end();
|
|
++it )
|
|
stack[ count++ ] = (*it)->winId();
|
|
stack[ count++ ] = winId();
|
|
XRestackWindows( x11Display(), stack, count );
|
|
delete[] stack;
|
|
}
|
|
else
|
|
XRaiseWindow(qt_xdisplay(), winId());
|
|
}
|
|
|
|
void LockProcess::checkDPMSActive()
|
|
{
|
|
#ifdef HAVE_DPMS
|
|
BOOL on;
|
|
CARD16 state;
|
|
DPMSInfo(qt_xdisplay(), &state, &on);
|
|
//kdDebug() << "checkDPMSActive " << on << " " << state << endl;
|
|
if (state == DPMSModeStandby || state == DPMSModeSuspend || state == DPMSModeOff)
|
|
{
|
|
suspend();
|
|
} else if ( mSuspended )
|
|
{
|
|
resume( true );
|
|
}
|
|
#endif
|
|
}
|
|
|
|
#if defined(HAVE_XF86MISC) && defined(HAVE_XF86MISCSETGRABKEYSSTATE)
|
|
// see http://cvsweb.xfree86.org/cvsweb/xc/programs/Xserver/hw/xfree86/common/xf86Events.c#rev3.113
|
|
// This allows enabling the "Allow{Deactivate/Closedown}Grabs" options in XF86Config,
|
|
// and kdesktop_lock will still lock the session.
|
|
static enum { Unknown, Yes, No } can_do_xf86_lock = Unknown;
|
|
void LockProcess::lockXF86()
|
|
{
|
|
if( can_do_xf86_lock == Unknown )
|
|
{
|
|
int major, minor;
|
|
if( XF86MiscQueryVersion( qt_xdisplay(), &major, &minor )
|
|
&& major >= 0 && minor >= 5 )
|
|
can_do_xf86_lock = Yes;
|
|
else
|
|
can_do_xf86_lock = No;
|
|
}
|
|
if( can_do_xf86_lock != Yes )
|
|
return;
|
|
if( mRestoreXF86Lock )
|
|
return;
|
|
if( XF86MiscSetGrabKeysState( qt_xdisplay(), False ) != MiscExtGrabStateSuccess )
|
|
return;
|
|
// success
|
|
mRestoreXF86Lock = true;
|
|
}
|
|
|
|
void LockProcess::unlockXF86()
|
|
{
|
|
if( can_do_xf86_lock != Yes )
|
|
return;
|
|
if( !mRestoreXF86Lock )
|
|
return;
|
|
XF86MiscSetGrabKeysState( qt_xdisplay(), True );
|
|
mRestoreXF86Lock = false;
|
|
}
|
|
#else
|
|
void LockProcess::lockXF86()
|
|
{
|
|
}
|
|
|
|
void LockProcess::unlockXF86()
|
|
{
|
|
}
|
|
#endif
|
|
|
|
void LockProcess::msgBox( TQMessageBox::Icon type, const TQString &txt )
|
|
{
|
|
TQDialog box( 0, "messagebox", true, (WFlags)WX11BypassWM );
|
|
TQFrame *winFrame = new TQFrame( &box );
|
|
winFrame->setFrameStyle( TQFrame::WinPanel | TQFrame::Raised );
|
|
winFrame->setLineWidth( 2 );
|
|
TQLabel *label1 = new TQLabel( winFrame );
|
|
label1->setPixmap( TQMessageBox::standardIcon( type ) );
|
|
TQLabel *label2 = new TQLabel( txt, winFrame );
|
|
KPushButton *button = new KPushButton( KStdGuiItem::ok(), winFrame );
|
|
button->setDefault( true );
|
|
button->tqsetSizePolicy( TQSizePolicy( TQSizePolicy::Preferred, TQSizePolicy::Preferred ) );
|
|
connect( button, TQT_SIGNAL( clicked() ), &box, TQT_SLOT( accept() ) );
|
|
|
|
TQVBoxLayout *vbox = new TQVBoxLayout( &box );
|
|
vbox->addWidget( winFrame );
|
|
TQGridLayout *grid = new TQGridLayout( winFrame, 2, 2, 10 );
|
|
grid->addWidget( label1, 0, 0, Qt::AlignCenter );
|
|
grid->addWidget( label2, 0, 1, Qt::AlignCenter );
|
|
grid->addMultiCellWidget( button, 1,1, 0,1, Qt::AlignCenter );
|
|
|
|
execDialog( &box );
|
|
}
|
|
|
|
static int run_vkbd = -1;
|
|
void LockProcess::showVkbd()
|
|
{
|
|
if( run_vkbd == - 1 ) {
|
|
int status = system( "hal-find-by-property --key system.formfactor.subtype --string tabletpc" );
|
|
// status = 0; // enable for testing
|
|
run_vkbd = ( WIFEXITED( status ) && WEXITSTATUS( status ) == 0
|
|
&& !KStandardDirs::findExe( "xvkbd" ).isEmpty()) ? 1 : 0;
|
|
}
|
|
if( run_vkbd ) {
|
|
mVkbdWindows.clear();
|
|
mVkbdLastEventWindow = None;
|
|
mKWinModule = new KWinModule( NULL, KWinModule::INFO_WINDOWS );
|
|
connect( mKWinModule, TQT_SIGNAL( windowAdded( WId )), TQT_SLOT( windowAdded( WId )));
|
|
mVkbdProcess = new KProcess;
|
|
*mVkbdProcess << "xvkbd" << "-compact" << "-geometry" << "-0-0" << "-xdm";
|
|
mVkbdProcess->start();
|
|
}
|
|
}
|
|
|
|
void LockProcess::hideVkbd()
|
|
{
|
|
if( mVkbdProcess != NULL ) {
|
|
mVkbdProcess->kill();
|
|
delete mVkbdProcess;
|
|
mVkbdProcess = NULL;
|
|
delete mKWinModule;
|
|
mKWinModule = NULL;
|
|
mVkbdWindows.clear();
|
|
}
|
|
}
|
|
|
|
void LockProcess::windowAdded( WId w )
|
|
{
|
|
windowAdded( w, true );
|
|
}
|
|
|
|
void LockProcess::windowAdded( WId w, bool managed )
|
|
{
|
|
KWin::WindowInfo info = KWin::windowInfo( w, 0, NET::WM2WindowClass );
|
|
if( info.windowClassClass().lower() != "xvkbd" )
|
|
return;
|
|
// Unmanaged windows (i.e. popups) don't currently work anyway, since they
|
|
// don't have WM_CLASS set anyway. I could perhaps try tricks with X id
|
|
// ranges if really needed.
|
|
if( managed ) {
|
|
// withdraw the window, wait for it to be withdrawn, reparent it directly
|
|
// to root at the right position
|
|
XWithdrawWindow( qt_xdisplay(), w, qt_xscreen());
|
|
for(;;) {
|
|
Atom type;
|
|
int format;
|
|
unsigned long length, after;
|
|
unsigned char *data;
|
|
int r = XGetWindowProperty( qt_xdisplay(), w, qt_wm_state, 0, 2,
|
|
false, AnyPropertyType, &type, &format,
|
|
&length, &after, &data );
|
|
bool withdrawn = true;
|
|
if ( r == Success && data && format == 32 ) {
|
|
TQ_UINT32 *wstate = (TQ_UINT32*)data;
|
|
withdrawn = (*wstate == WithdrawnState );
|
|
XFree( (char *)data );
|
|
}
|
|
if( withdrawn )
|
|
break;
|
|
}
|
|
}
|
|
XSelectInput( qt_xdisplay(), w, StructureNotifyMask );
|
|
XWindowAttributes attr_geom;
|
|
if( !XGetWindowAttributes( qt_xdisplay(), w, &attr_geom ))
|
|
return;
|
|
int x = XDisplayWidth( qt_xdisplay(), qt_xscreen()) - attr_geom.width;
|
|
int y = XDisplayHeight( qt_xdisplay(), qt_xscreen()) - attr_geom.height;
|
|
if( managed ) {
|
|
XSetWindowAttributes attr;
|
|
attr.override_redirect = True;
|
|
XChangeWindowAttributes( qt_xdisplay(), w, CWOverrideRedirect, &attr );
|
|
XReparentWindow( qt_xdisplay(), w, qt_xrootwin(), x, y );
|
|
XMapWindow( qt_xdisplay(), w );
|
|
}
|
|
VkbdWindow data;
|
|
data.id = w;
|
|
data.rect = TQRect( x, y, attr_geom.width, attr_geom.height );
|
|
mVkbdWindows.prepend( data );
|
|
}
|
|
|
|
bool LockProcess::forwardVkbdEvent( XEvent* event )
|
|
{
|
|
if( mVkbdProcess == NULL )
|
|
return false;
|
|
TQPoint pos;
|
|
Time time;
|
|
switch( event->type )
|
|
{
|
|
case ButtonPress:
|
|
case ButtonRelease:
|
|
pos = TQPoint( event->xbutton.x, event->xbutton.y );
|
|
time = event->xbutton.time;
|
|
break;
|
|
case MotionNotify:
|
|
pos = TQPoint( event->xmotion.x, event->xmotion.y );
|
|
time = event->xmotion.time;
|
|
break;
|
|
default:
|
|
return false;
|
|
}
|
|
// vkbd windows are kept topmost, so just find the first one in the position
|
|
for( TQValueList< VkbdWindow >::ConstIterator it = mVkbdWindows.begin();
|
|
it != mVkbdWindows.end();
|
|
++it ) {
|
|
if( TQT_TQRECT_OBJECT((*it).rect).tqcontains( pos )) {
|
|
// Find the subwindow where the event should actually go.
|
|
// Not exactly cheap in the number of X roundtrips but oh well.
|
|
Window window = (*it).id;
|
|
Window root, child;
|
|
int root_x, root_y, x, y;
|
|
unsigned int mask;
|
|
for(;;) {
|
|
if( !XQueryPointer( qt_xdisplay(), window, &root, &child, &root_x, &root_y, &x, &y, &mask ))
|
|
return false;
|
|
if( child == None )
|
|
break;
|
|
window = child;
|
|
}
|
|
switch( event->type )
|
|
{
|
|
case ButtonPress:
|
|
case ButtonRelease:
|
|
event->xbutton.x = x;
|
|
event->xbutton.y = y;
|
|
event->xbutton.subwindow = None;
|
|
break;
|
|
case MotionNotify:
|
|
event->xmotion.x = x;
|
|
event->xmotion.y = y;
|
|
event->xmotion.subwindow = None;
|
|
break;
|
|
}
|
|
event->xany.window = window;
|
|
sendVkbdFocusInOut( window, time );
|
|
XSendEvent( qt_xdisplay(), window, False, 0, event );
|
|
return true;
|
|
}
|
|
}
|
|
sendVkbdFocusInOut( None, time );
|
|
return false;
|
|
}
|
|
|
|
// Fake EnterNotify/LeaveNotify events as the mouse moves. They're not sent by X
|
|
// because of the grab and having them makes xvkbd highlight the buttons (but
|
|
// not needed otherwise it seems).
|
|
void LockProcess::sendVkbdFocusInOut( WId window, Time t )
|
|
{
|
|
if( mVkbdLastEventWindow == window )
|
|
return;
|
|
if( mVkbdLastEventWindow != None ) {
|
|
XEvent e;
|
|
e.xcrossing.type = LeaveNotify;
|
|
e.xcrossing.display = qt_xdisplay();
|
|
e.xcrossing.window = mVkbdLastEventWindow;
|
|
e.xcrossing.root = qt_xrootwin();
|
|
e.xcrossing.subwindow = None;
|
|
e.xcrossing.time = t;
|
|
e.xcrossing.x = 0;
|
|
e.xcrossing.y = 0;
|
|
e.xcrossing.x_root = -1;
|
|
e.xcrossing.y_root = -1;
|
|
e.xcrossing.mode = NotifyNormal;
|
|
e.xcrossing.detail = NotifyAncestor;
|
|
e.xcrossing.same_screen = True;
|
|
e.xcrossing.focus = False;
|
|
e.xcrossing.state = 0;
|
|
XSendEvent( qt_xdisplay(), mVkbdLastEventWindow, False, 0, &e );
|
|
}
|
|
mVkbdLastEventWindow = window;
|
|
if( mVkbdLastEventWindow != None ) {
|
|
XEvent e;
|
|
e.xcrossing.type = EnterNotify;
|
|
e.xcrossing.display = qt_xdisplay();
|
|
e.xcrossing.window = mVkbdLastEventWindow;
|
|
e.xcrossing.root = qt_xrootwin();
|
|
e.xcrossing.subwindow = None;
|
|
e.xcrossing.time = t;
|
|
e.xcrossing.x = 0;
|
|
e.xcrossing.y = 0;
|
|
e.xcrossing.x_root = 0;
|
|
e.xcrossing.y_root = 0;
|
|
e.xcrossing.mode = NotifyNormal;
|
|
e.xcrossing.detail = NotifyAncestor;
|
|
e.xcrossing.same_screen = True;
|
|
e.xcrossing.focus = False;
|
|
e.xcrossing.state = 0;
|
|
XSendEvent( qt_xdisplay(), mVkbdLastEventWindow, False, 0, &e );
|
|
}
|
|
}
|
|
|
|
#include "lockprocess.moc"
|