Renaming of files in preparation for code style tools.

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>

1 files changed, 563 insertions, 0 deletions

diff --git a/kdesktop/lock/main.cpp b/kdesktop/lock/main.cpp
new file mode 100644
index 000000000..f1407070c
--- /dev/null
+++ b/kdesktop/lock/main.cpp
@@ -0,0 +1,563 @@
+/* This file is part of the TDE project
+   Copyright (C) 1999 David Faure
+   Copyright (c) 2003 Oswald Buddenhagen <ossi@kde.org>
+   Copyright (c) 2010-2015 Timothy Pearson <kb9vqf@pearsoncomputing.net>
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public License
+   along with this library; see the file COPYING.LIB.  If not, write to
+   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.
+*/
+
+#include <config.h>
+
+#include "lockprocess.h"
+#include "main.h"
+#include "kdesktopsettings.h"
+
+#include <tqfileinfo.h>
+
+#include <tdecmdlineargs.h>
+#include <tdelocale.h>
+#include <tdeglobal.h>
+#include <kdebug.h>
+#include <tdeglobalsettings.h>
+#include <dcopref.h>
+#include <ksimpleconfig.h>
+#include <kstandarddirs.h>
+
+#include <tdmtsak.h>
+
+#include <stdlib.h>
+
+#if defined(Q_WS_X11) && defined(HAVE_XRENDER) && TQT_VERSION >= 0x030300
+#define COMPOSITE
+#endif
+
+#ifdef COMPOSITE
+# include <X11/Xlib.h>
+# include <X11/extensions/Xrender.h>
+# include <fixx11h.h>
+# include <dlfcn.h>
+#else
+# include <X11/Xlib.h>
+# include <fixx11h.h>
+#endif
+
+
+TQXLibWindowList trinity_desktop_lock_hidden_window_list;
+
+// [FIXME] Add GUI configuration checkboxes for these three settings (see kdesktoprc [ScreenSaver] UseUnmanagedLockWindows, DelaySaverStart, and UseTDESAK)
+bool trinity_desktop_lock_use_system_modal_dialogs = FALSE;
+bool trinity_desktop_lock_delay_screensaver_start = FALSE;
+bool trinity_desktop_lock_use_sak = FALSE;
+bool trinity_desktop_lock_hide_active_windows = FALSE;
+bool trinity_desktop_lock_hide_cancel_button = FALSE;
+bool trinity_desktop_lock_forced = FALSE;
+
+LockProcess* trinity_desktop_lock_process = NULL;
+
+bool signalled_forcelock;
+bool signalled_dontlock;
+bool signalled_securedialog;
+bool signalled_blank;
+bool signalled_run;
+bool in_internal_mode = FALSE;
+
+bool argb_visual = FALSE;
+pid_t kdesktop_pid = -1;
+bool trinity_desktop_lock_settings_initialized = FALSE;
+
+static void sigusr1_handler(int)
+{
+	signalled_forcelock = TRUE;
+}
+
+static void sigusr2_handler(int)
+{
+	signalled_dontlock = TRUE;
+}
+
+static void sigusr3_handler(int)
+{
+	signalled_securedialog = TRUE;
+}
+
+static void sigusr4_handler(int)
+{
+	signalled_blank = TRUE;
+}
+
+static void sigusr5_handler(int)
+{
+	signalled_run = TRUE;
+}
+
+static int trapXErrors(Display *, XErrorEvent *)
+{
+	return 0;
+}
+
+bool MyApp::x11EventFilter( XEvent *ev )
+{
+	if (ev->type == ButtonPress || ev->type == ButtonRelease || ev->type == MotionNotify) {
+		emit mouseInteraction(ev);
+	}
+	if (ev->type == XKeyPress || ev->type == ButtonPress) {
+		emit activity();
+	}
+	else if (ev->type == MotionNotify) {
+		time_t tick = time( 0 );
+		if (tick != lastTick) {
+			lastTick = tick;
+			emit activity();
+		}
+	}
+	else if (ev->type == MapNotify) {
+		// HACK
+		// Hide all tooltips and notification windows
+		XMapEvent map_event = ev->xmap;
+		XWindowAttributes childAttr;
+		Window childTransient;
+		if (XGetWindowAttributes(map_event.display, map_event.window, &childAttr) && XGetTransientForHint(map_event.display, map_event.window, &childTransient)) {
+			if((childAttr.map_state == IsViewable) && (childAttr.override_redirect) && (childTransient)) {
+				if (!trinity_desktop_lock_hidden_window_list.contains(map_event.window)) {
+					trinity_desktop_lock_hidden_window_list.append(map_event.window);
+				}
+				XLowerWindow(map_event.display, map_event.window);
+				XFlush(map_event.display);
+			}
+		}
+	}
+	else if (ev->type == VisibilityNotify) {
+		// HACK
+		// Hide all tooltips and notification windows
+		XVisibilityEvent visibility_event = ev->xvisibility;
+		XWindowAttributes childAttr;
+		Window childTransient;
+		if ((visibility_event.state == VisibilityUnobscured) || (visibility_event.state == VisibilityPartiallyObscured)) {
+			if (XGetWindowAttributes(visibility_event.display, visibility_event.window, &childAttr) && XGetTransientForHint(visibility_event.display, visibility_event.window, &childTransient)) {
+				if((childAttr.map_state == IsViewable) && (childAttr.override_redirect) && (childTransient)) {
+					if (!trinity_desktop_lock_hidden_window_list.contains(visibility_event.window)) {
+						trinity_desktop_lock_hidden_window_list.append(visibility_event.window);
+					}
+					XLowerWindow(visibility_event.display, visibility_event.window);
+					XFlush(visibility_event.display);
+				}
+			}
+		}
+	}
+	else if (ev->type == CreateNotify) {
+		// HACK
+		// Close all tooltips and notification windows
+		XCreateWindowEvent create_event = ev->xcreatewindow;
+		XWindowAttributes childAttr;
+		Window childTransient;
+
+		// XGetWindowAttributes may generate BadWindow errors, so make sure they are silently ignored
+		int (*oldHandler)(Display *, XErrorEvent *);
+		oldHandler = XSetErrorHandler(trapXErrors);
+		if (XGetWindowAttributes(create_event.display, create_event.window, &childAttr) && XGetTransientForHint(create_event.display, create_event.window, &childTransient)) {
+			if ((childAttr.override_redirect) && (childTransient)) {
+				if (!trinity_desktop_lock_hidden_window_list.contains(create_event.window)) {
+					trinity_desktop_lock_hidden_window_list.append(create_event.window);
+				}
+				XLowerWindow(create_event.display, create_event.window);
+				XFlush(create_event.display);
+			}
+		}
+		XSetErrorHandler(oldHandler);
+	}
+	else if (ev->type == DestroyNotify) {
+		XDestroyWindowEvent destroy_event = ev->xdestroywindow;
+		if (trinity_desktop_lock_hidden_window_list.contains(destroy_event.window)) {
+			trinity_desktop_lock_hidden_window_list.remove(destroy_event.window);
+		}
+	}
+#if 0
+	else if (ev->type == CreateNotify) {
+		// HACK
+		// Close all tooltips and notification windows
+		XCreateWindowEvent create_event = ev->xcreatewindow;
+		XWindowAttributes childAttr;
+		Window childTransient;
+		if (XGetWindowAttributes(create_event.display, create_event.window, &childAttr) && XGetTransientForHint(create_event.display, create_event.window, &childTransient)) {
+			if ((childAttr.override_redirect) && (childTransient)) {
+				XDestroyWindow(create_event.display, create_event.window);
+			}
+		}
+	}
+#endif
+	return TDEApplication::x11EventFilter( ev );
+}
+
+
+static TDECmdLineOptions options[] =
+{
+	{ "forcelock", I18N_NOOP("Force session locking"), 0 },
+	{ "dontlock", I18N_NOOP("Only start screensaver"), 0 },
+	{ "securedialog", I18N_NOOP("Launch the secure dialog"), 0 },
+	{ "blank", I18N_NOOP("Only use the blank screensaver"), 0 },
+	{ "internal <pid>", I18N_NOOP("TDE internal command for background process loading"), 0 },
+	TDECmdLineLastOption
+};
+
+void restore_hidden_override_redirect_windows() {
+	TQXLibWindowList::iterator it;
+	for (it = trinity_desktop_lock_hidden_window_list.begin(); it != trinity_desktop_lock_hidden_window_list.end(); ++it) {
+		Window win = *it;
+		XRaiseWindow(tqt_xdisplay(), win);
+	}
+}
+
+// -----------------------------------------------------------------------------
+
+int main( int argc, char **argv )
+{
+	TDELocale::setMainCatalogue("kdesktop");
+
+	TDECmdLineArgs::init( argc, argv, "kdesktop_lock", I18N_NOOP("KDesktop Locker"), I18N_NOOP("Session Locker for KDesktop"), "2.1" );
+	TDECmdLineArgs::addCmdLineOptions( options );
+	TDECmdLineArgs *args = TDECmdLineArgs::parsedArgs();
+
+	putenv(strdup("SESSION_MANAGER="));
+
+	TDEApplication::disableAutoDcopRegistration(); // not needed
+
+	XSetErrorHandler(trapXErrors);
+
+	MyApp* app = NULL;
+
+	while (1 == 1) {
+		sigset_t new_mask;
+		sigset_t orig_mask;
+
+		// Block reception of all signals in this thread
+		sigfillset(&new_mask);
+		sigprocmask(SIG_BLOCK, &new_mask, NULL);
+
+		signalled_forcelock = FALSE;
+		signalled_dontlock = FALSE;
+		signalled_securedialog = FALSE;
+		signalled_blank = FALSE;
+		signalled_run = FALSE;
+
+		int kdesktop_screen_number = 0;
+		int starting_screen = 0;
+
+		bool child = false;
+		int parent_connection = 0; // socket to the parent saver
+		TQValueList<int> child_sockets;
+
+		if (TDEGlobalSettings::isMultiHead()) {
+			Display *dpy = XOpenDisplay(NULL);
+			if (! dpy) {
+				fprintf(stderr,
+					"%s: FATAL ERROR: couldn't open display '%s'\n",
+					argv[0], XDisplayName(NULL));
+				exit(1);
+			}
+
+			int number_of_screens = ScreenCount(dpy);
+			starting_screen = kdesktop_screen_number = DefaultScreen(dpy);
+			int pos;
+			TQCString display_name = XDisplayString(dpy);
+			XCloseDisplay(dpy);
+			kdDebug() << "screen " << number_of_screens << " " << kdesktop_screen_number << " " << display_name << " " << starting_screen << endl;
+			dpy = 0;
+
+			if ((pos = display_name.findRev('.')) != -1) {
+				display_name.remove(pos, 10);
+			}
+
+			TQCString env;
+			if (number_of_screens != 1) {
+				for (int i = 0; i < number_of_screens; i++) {
+					if (i != starting_screen) {
+						int fd[2];
+						if (pipe(fd)) {
+							perror("pipe");
+							break;
+						}
+						if (fork() == 0) {
+							child = true;
+							kdesktop_screen_number = i;
+							parent_connection = fd[0];
+							// break here because we are the child process, we don't
+							// want to fork() anymore
+							break;
+						}
+						else {
+							child_sockets.append(fd[1]);
+						}
+					}
+				}
+
+				env.sprintf("DISPLAY=%s.%d", display_name.data(),
+					kdesktop_screen_number);
+				kdDebug() << "env " << env << endl;
+
+				if (putenv(strdup(env.data()))) {
+					fprintf(stderr,
+						"%s: WARNING: unable to set DISPLAY environment variable\n",
+						argv[0]);
+					perror("putenv()");
+				}
+			}
+		}
+
+		if (!app) {
+#ifdef COMPOSITE
+			app = new MyApp(TDEApplication::openX11RGBADisplay());
+			argb_visual = app->isX11CompositionAvailable();
+#else
+			app = new MyApp;
+#endif
+		}
+
+		TDELockFile lock(locateLocal("tmp", TQString("kdesktop_lock_lockfile.%1").arg(getenv("DISPLAY"))));
+		lock.setStaleTime(0);
+		TDELockFile::LockResult lockRet = lock.lock();
+		if (lockRet != TDELockFile::LockOK) {
+			// Terminate existing (stale) process if needed
+			int pid;
+			TQString hostName;
+			TQString appName;
+			if (lock.getLockInfo(pid, hostName, appName)) {
+				// Verify that the pid in question is an instance of kdesktop_lock
+				int len;
+				char procpath[PATH_MAX];
+				char fullpath[PATH_MAX];
+#if	defined(__dilos__)
+				snprintf(procpath, sizeof(procpath), "/proc/%d/path/a.out", pid);
+#elif	defined(__FreeBSD__) || defined (__DragonFly__)
+				snprintf(procpath, sizeof(procpath), "/compat/linux/proc/%d/exe", pid);
+#else	/* Linux way as default */
+				snprintf(procpath, sizeof(procpath), "/proc/%d/exe", pid);
+#endif
+				len = readlink( procpath, fullpath, sizeof(fullpath) );
+				if (len >= 0) {
+					fullpath[len] = 0;
+					TQFileInfo fileInfo(fullpath);
+					if (fileInfo.baseName() == "kdesktop_lock") {
+						// Verify that pid in question is owned by current user before killing it
+						uid_t current_uid = geteuid();
+
+						struct stat info;
+						if (lstat(procpath, &info) == 0) {
+							if (info.st_uid == current_uid) {
+								kill(pid, SIGKILL);
+							}
+						}
+					}
+				}
+			}
+		}
+
+		// Force a relock as a stale lockfile or process may have been dealt with above
+		if (!lock.isLocked()) {
+			lockRet = lock.lock(TDELockFile::LockNoBlock | TDELockFile::LockForce);
+		}
+
+		kdDebug() << "app " << kdesktop_screen_number << " " << starting_screen << " " << child << " " << child_sockets.count() << " " << parent_connection << endl;
+		app->disableSessionManagement();
+		TDEGlobal::locale()->insertCatalogue("libdmctl");
+
+		struct stat st;
+		KSimpleConfig* tdmconfig;
+		if( stat( KDE_CONFDIR "/tdm/tdmdistrc" , &st ) == 0) {
+			tdmconfig = new KSimpleConfig( TQString::fromLatin1( KDE_CONFDIR "/tdm/tdmdistrc" ));
+		}
+		else {
+			tdmconfig = new KSimpleConfig( TQString::fromLatin1( KDE_CONFDIR "/tdm/tdmrc" ));
+		}
+		tdmconfig->setGroup("X-:*-Greeter");
+
+		// Create new LockProcess, which also spawns threads inheriting the blocked signal mask
+		trinity_desktop_lock_process = new LockProcess;
+
+		// Unblock reception of all signals in this thread
+		sigprocmask(SIG_UNBLOCK, &new_mask, NULL);
+
+		// Start loading core functions, such as the desktop wallpaper interface
+		app->processEvents();
+
+		if (args->isSet( "internal" )) {
+			kdesktop_pid = atoi(args->getOption( "internal" ));
+			struct sigaction act;
+
+			in_internal_mode = TRUE;
+
+			// handle SIGUSR1
+			act.sa_handler= sigusr1_handler;
+			sigemptyset(&(act.sa_mask));
+			sigaddset(&(act.sa_mask), SIGUSR1);
+			act.sa_flags = 0;
+			sigaction(SIGUSR1, &act, 0L);
+			// handle SIGUSR2
+			act.sa_handler= sigusr2_handler;
+			sigemptyset(&(act.sa_mask));
+			sigaddset(&(act.sa_mask), SIGUSR2);
+			act.sa_flags = 0;
+			sigaction(SIGUSR2, &act, 0L);
+			// handle SIGWINCH (an ersatz SIGUSR3)
+			act.sa_handler= sigusr3_handler;
+			sigemptyset(&(act.sa_mask));
+			sigaddset(&(act.sa_mask), SIGWINCH);
+			act.sa_flags = 0;
+			sigaction(SIGWINCH, &act, 0L);
+			// handle SIGTTIN (an ersatz SIGUSR4)
+			act.sa_handler= sigusr4_handler;
+			sigemptyset(&(act.sa_mask));
+			sigaddset(&(act.sa_mask), SIGTTIN);
+			act.sa_flags = 0;
+			sigaction(SIGTTIN, &act, 0L);
+			// handle SIGTTOU (an ersatz SIGUSR5)
+			act.sa_handler= sigusr5_handler;
+			sigemptyset(&(act.sa_mask));
+			sigaddset(&(act.sa_mask), SIGTTOU);
+			act.sa_flags = 0;
+			sigaction(SIGTTOU, &act, 0L);
+
+			// initialize the signal masks
+			sigemptyset(&new_mask);
+			sigaddset(&new_mask,SIGUSR1);
+			sigaddset(&new_mask,SIGUSR2);
+			sigaddset(&new_mask,SIGWINCH);
+			sigaddset(&new_mask,SIGTTIN);
+			sigaddset(&new_mask,SIGTTOU);
+
+			while (signalled_run == FALSE) {
+				// let kdesktop know the saver process is ready
+				if (kill(kdesktop_pid, SIGTTIN) < 0) {
+					// The controlling kdesktop process probably died.  Commit suicide...
+					return 12;
+				}
+
+				// Get root window attributes
+				XWindowAttributes rootAttr;
+				XGetWindowAttributes(tqt_xdisplay(), RootWindow(tqt_xdisplay(), tqt_xscreen()), &rootAttr);
+
+				// Disable reception of all X11 events on the root window
+				XSelectInput( tqt_xdisplay(), tqt_xrootwin(), 0 );
+				app->processEvents();
+
+				// wait for SIGUSR1, SIGUSR2, SIGWINCH, SIGTTIN, or SIGTTOU
+				sigprocmask(SIG_BLOCK, &new_mask, &orig_mask);
+				if (signalled_run != TRUE) {
+					sigsuspend(&orig_mask);
+				}
+				sigprocmask(SIG_UNBLOCK, &new_mask, NULL);
+
+				// Reenable reception of X11 events on the root window
+				XSelectInput( tqt_xdisplay(), tqt_xrootwin(), rootAttr.your_event_mask );
+			}
+
+			// Block reception of all signals in this thread
+			sigprocmask(SIG_BLOCK, &new_mask, NULL);
+		}
+
+		// (re)load settings here so that they actually reflect reality
+		// we need to read from the right rc file - possibly taking screen number in account
+		if (!trinity_desktop_lock_settings_initialized) {
+			KDesktopSettings::instance("kdesktoprc");
+			trinity_desktop_lock_settings_initialized = true;
+		}
+		else {
+			KDesktopSettings::self()->readConfig();
+		}
+		trinity_desktop_lock_use_system_modal_dialogs = !KDesktopSettings::useUnmanagedLockWindows();
+		trinity_desktop_lock_delay_screensaver_start = KDesktopSettings::delaySaverStart();
+		if (trinity_desktop_lock_use_system_modal_dialogs) {
+#ifdef BUILD_TSAK
+			trinity_desktop_lock_use_sak = tdmconfig->readBoolEntry("UseSAK", false) && KDesktopSettings::useTDESAK();
+#else
+			trinity_desktop_lock_use_sak = false;
+#endif
+		}
+		else {
+			trinity_desktop_lock_use_sak = false;			// If SAK is enabled with unmanaged windows, the SAK dialog will never close and will "burn in" the screen
+			trinity_desktop_lock_delay_screensaver_start = false;	// If trinity_desktop_lock_delay_screensaver_start is true with unmanaged windows, the lock dialog may never appear
+		}
+		trinity_desktop_lock_hide_active_windows = KDesktopSettings::hideActiveWindowsFromSaver();
+		trinity_desktop_lock_hide_cancel_button = KDesktopSettings::hideCancelButton();
+
+		delete tdmconfig;
+
+		if (args->isSet( "forcelock" ) || (signalled_forcelock == TRUE)) {
+			trinity_desktop_lock_forced = TRUE;
+		}
+
+		trinity_desktop_lock_process->init(child, (args->isSet( "blank" ) || (signalled_blank == TRUE)));
+		if (!child) {
+			trinity_desktop_lock_process->setChildren(child_sockets);
+		}
+		else {
+			trinity_desktop_lock_process->setParent(parent_connection);
+		}
+
+		bool rt;
+		if( (((!child) && (args->isSet( "forcelock" ))) || (signalled_forcelock == TRUE))) {
+			rt = trinity_desktop_lock_process->lock();
+		}
+		else if( child || (args->isSet( "dontlock" ) || (signalled_dontlock == TRUE))) {
+			rt = trinity_desktop_lock_process->dontLock();
+		}
+		else if( child || (args->isSet( "securedialog" ) || (signalled_securedialog == TRUE))) {
+			int retcode = tde_sak_verify_calling_process();
+			if (retcode == 0) {
+				rt = trinity_desktop_lock_process->runSecureDialog();
+			}
+			else {
+				return 1;
+			}
+		}
+		else {
+			rt = trinity_desktop_lock_process->defaultSave();
+		}
+		if (!rt) {
+			return 0;
+		}
+
+		if (in_internal_mode == FALSE) {
+			trinity_desktop_lock_hidden_window_list.clear();
+			int ret = app->exec();
+			restore_hidden_override_redirect_windows();
+			return ret;
+		}
+		else {
+			if (kill(kdesktop_pid, 0) < 0) {
+				// The controlling kdesktop process probably died.  Commit suicide...
+				return 12;
+			}
+			trinity_desktop_lock_hidden_window_list.clear();
+			app->exec();
+			restore_hidden_override_redirect_windows();
+			if (kill(kdesktop_pid, SIGUSR1) < 0) {
+				// The controlling kdesktop process probably died.  Commit suicide...
+				return 12;
+			}
+
+			delete trinity_desktop_lock_process;
+			trinity_desktop_lock_process = NULL;
+
+			// FIXME
+			// We should not have to return (restart) at all,
+			// but it seems that some X11 connections are left active,
+			// preventing the lock process from restarting properly in the while() loop above.
+			return 0;
+		}
+	}
+}
+
+#include "main.moc"