/* This file is part of the KDE project Copyright (C) by Andrew Stanley-Jones Copyright (C) 2000 by Carsten Pfeiffer <pfeiffer@kde.org> Copyright (C) 2004 Esben Mose Hansen <kde@mosehansen.dk> This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program; see the file COPYING. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include <tqclipboard.h> #include <tqcursor.h> #include <tqdatetime.h> #include <tqfile.h> #include <tqintdict.h> #include <tqpainter.h> #include <tqtooltip.h> #include <tqmime.h> #include <tqdragobject.h> #include <tdeaboutdata.h> #include <tdeaction.h> #include <tdeapplication.h> #include <tdeconfig.h> #include <tdeglobal.h> #include <kipc.h> #include <kkeydialog.h> #include <tdelocale.h> #include <tdemessagebox.h> #include <ksavefile.h> #include <kstandarddirs.h> #include <ksimpleconfig.h> #include <kstringhandler.h> #include <ksystemtray.h> #include <kurldrag.h> #include <twin.h> #include <kdebug.h> #include <tdeglobalsettings.h> #include <dcopclient.h> #include <kiconloader.h> #include <khelpmenu.h> #include <kstdguiitem.h> #include "configdialog.h" #include "toplevel.h" #include "urlgrabber.h" #include "version.h" #include "clipboardpoll.h" #include "history.h" #include "historyitem.h" #include "historystringitem.h" #include "klipperpopup.h" #include <zlib.h> #include <X11/Xlib.h> #include <X11/Xatom.h> #include <kclipboard.h> namespace { /** * Use this when manipulating the clipboard * from within clipboard-related signals. * * This avoids issues such as mouse-selections that immediately * disappear. * pattern: Resource Acqusition is Initialisation (RAII) * * (This is not threadsafe, so don't try to use such in threaded * applications). */ struct Ignore { Ignore(int& locklevel) : locklevelref(locklevel) { locklevelref++; } ~Ignore() { locklevelref--; } private: int& locklevelref; }; } /** * Helper class to save history upon session exit. */ class KlipperSessionManaged : public KSessionManaged { public: KlipperSessionManaged( KlipperWidget* k ) : klipper( k ) {} /** * Save state upon session exit. * * Saving history on session save */ virtual bool commitData( TQSessionManager& ) { klipper->saveSession(); return true; } private: KlipperWidget* klipper; }; extern bool tqt_qclipboard_bailout_hack; #if KDE_IS_VERSION( 15, 0, 0 ) #error Check status of #80072 with Qt4. #endif static void ensureGlobalSyncOff(TDEConfig* config); // config == kapp->config for process, otherwise applet KlipperWidget::KlipperWidget( TQWidget *parent, TDEConfig* config ) : TQWidget( parent ) , DCOPObject( "klipper" ) , m_overflowCounter( 0 ) , locklevel( 0 ) , m_config( config ) , m_pendingContentsCheck( false ) , session_managed( new KlipperSessionManaged( this )) { tqt_qclipboard_bailout_hack = true; // We don't use the clipboardsynchronizer anymore, and it confuses Klipper ensureGlobalSyncOff(m_config); updateTimestamp(); // read initial X user time setBackgroundMode( X11ParentRelative ); clip = kapp->clipboard(); connect( &m_overflowClearTimer, TQT_SIGNAL( timeout()), TQT_SLOT( slotClearOverflow())); m_overflowClearTimer.start( 1000 ); connect( &m_pendingCheckTimer, TQT_SIGNAL( timeout()), TQT_SLOT( slotCheckPending())); m_history = new History( this, "main_history" ); // we need that collection, otherwise TDEToggleAction is not happy :} TQString defaultGroup( "default" ); TDEActionCollection *collection = new TDEActionCollection( this, "my collection" ); toggleURLGrabAction = new TDEToggleAction( collection, "toggleUrlGrabAction" ); toggleURLGrabAction->setEnabled( true ); toggleURLGrabAction->setGroup( defaultGroup ); clearHistoryAction = new TDEAction( i18n("C&lear Clipboard History"), "history_clear", 0, TQT_TQOBJECT(history()), TQT_SLOT( slotClear() ), collection, "clearHistoryAction" ); connect( clearHistoryAction, TQT_SIGNAL( activated() ), TQT_SLOT( slotClearClipboard() ) ); clearHistoryAction->setGroup( defaultGroup ); configureAction = new TDEAction( i18n("&Configure Klipper..."), "configure", 0, TQT_TQOBJECT(this), TQT_SLOT( slotConfigure() ), collection, "configureAction" ); configureAction->setGroup( defaultGroup ); quitAction = new TDEAction( i18n("&Quit"), "system-log-out", 0, TQT_TQOBJECT(this), TQT_SLOT( slotQuit() ), collection, "quitAction" ); quitAction->setGroup( "exit" ); myURLGrabber = 0L; TDEConfig *kc = m_config; readConfiguration( kc ); setURLGrabberEnabled( bURLGrabber ); hideTimer = new TQTime(); showTimer = new TQTime(); readProperties(m_config); connect(kapp, TQT_SIGNAL(settingsChanged(int)), TQT_SLOT(slotSettingsChanged(int))); poll = new ClipboardPoll( this ); connect( poll, TQT_SIGNAL( clipboardChanged( bool ) ), this, TQT_SLOT( newClipData( bool ) ) ); if ( isApplet() || !isShown() ) { m_pixmap = KSystemTray::loadIcon( "klipper" ); } else { m_pixmap = KSystemTray::loadSizedIcon( "klipper", width() ); } m_iconOrigWidth = m_pixmap.width(); m_iconOrigHeight = m_pixmap.height(); adjustSize(); globalKeys = new TDEGlobalAccel(TQT_TQOBJECT(this)); TDEGlobalAccel* keys = globalKeys; #include "klipperbindings.cpp" // the keys need to be read from kdeglobals, not kickerrc --ellis, 22/9/02 globalKeys->readSettings(); globalKeys->updateConnections(); toggleURLGrabAction->setShortcut(globalKeys->shortcut("Enable/Disable Clipboard Actions")); connect( toggleURLGrabAction, TQT_SIGNAL( toggled( bool )), this, TQT_SLOT( setURLGrabberEnabled( bool ))); KlipperPopup* popup = history()->popup(); connect ( history(), TQT_SIGNAL( topChanged() ), TQT_SLOT( slotHistoryTopChanged() ) ); connect( popup, TQT_SIGNAL( aboutToHide() ), TQT_SLOT( slotStartHideTimer() ) ); connect( popup, TQT_SIGNAL( aboutToShow() ), TQT_SLOT( slotStartShowTimer() ) ); popup->plugAction( toggleURLGrabAction ); popup->plugAction( clearHistoryAction ); popup->plugAction( configureAction ); if ( !isApplet() ) { popup->plugAction( quitAction ); } TQToolTip::add( this, i18n("Klipper - clipboard tool") ); } KlipperWidget::~KlipperWidget() { delete session_managed; delete showTimer; delete hideTimer; delete myURLGrabber; if( m_config != kapp->config()) delete m_config; tqt_qclipboard_bailout_hack = false; } void KlipperWidget::adjustSize() { resize( m_pixmap.size() ); } // DCOP TQString KlipperWidget::getClipboardContents() { return getClipboardHistoryItem(0); } // DCOP - don't call from Klipper itself void KlipperWidget::setClipboardContents(TQString s) { Ignore lock( locklevel ); updateTimestamp(); HistoryStringItem* item = new HistoryStringItem( s ); setClipboard( *item, Clipboard | Selection); history()->insert( item ); } // DCOP - don't call from Klipper itself void KlipperWidget::clearClipboardContents() { updateTimestamp(); slotClearClipboard(); } // DCOP - don't call from Klipper itself void KlipperWidget::clearClipboardHistory() { updateTimestamp(); slotClearClipboard(); history()->slotClear(); saveSession(); } void KlipperWidget::mousePressEvent(TQMouseEvent *e) { if ( e->button() != Qt::LeftButton && e->button() != Qt::RightButton ) return; // if we only hid the menu less than a third of a second ago, // it's probably because the user clicked on the klipper icon // to hide it, and therefore won't want it shown again. if ( hideTimer->elapsed() > 300 ) { slotPopupMenu(); } } void KlipperWidget::paintEvent(TQPaintEvent *) { TQPainter p(this); // Honor Free Desktop specifications that allow for arbitrary system tray icon sizes if (m_scaledpixmap.isNull() || (m_iconOrigWidth != width()) || (m_iconOrigHeight != height())) { TQImage newIcon; m_iconOrigWidth = width(); m_iconOrigHeight = height(); m_pixmap = KSystemTray::loadSizedIcon( "klipper", width() ); newIcon = m_pixmap; newIcon = newIcon.smoothScale(width(), height()); m_scaledpixmap = newIcon; } int x = (width() - m_scaledpixmap.width()) / 2; int y = (height() - m_scaledpixmap.height()) / 2; if ( x < 0 ) x = 0; if ( y < 0 ) y = 0; p.drawPixmap(x, y, m_scaledpixmap); p.end(); } void KlipperWidget::slotStartHideTimer() { hideTimer->start(); } void KlipperWidget::slotStartShowTimer() { showTimer->start(); } void KlipperWidget::showPopupMenu( TQPopupMenu *menu ) { Q_ASSERT( menu != 0L ); TQSize size = menu->sizeHint(); // geometry is not valid until it's shown if (bPopupAtMouse) { TQPoint g = TQCursor::pos(); if ( size.height() < g.y() ) menu->popup(TQPoint( g.x(), g.y() - size.height())); else menu->popup(TQPoint(g.x(), g.y())); } else { KWin::WindowInfo i = KWin::windowInfo( winId(), NET::WMGeometry ); TQRect g = i.geometry(); TQRect screen = TDEGlobalSettings::desktopGeometry(g.center()); if ( g.x()-screen.x() > screen.width()/2 && g.y()-screen.y() + size.height() > screen.height() ) menu->popup(TQPoint( g.x(), g.y() - size.height())); else menu->popup(TQPoint( g.x() + width(), g.y() + height())); // menu->exec(mapToGlobal(TQPoint( width()/2, height()/2 ))); } } bool KlipperWidget::loadHistory() { static const char* const failed_load_warning = "Failed to load history resource. Clipboard history cannot be read."; // don't use "appdata", klipper is also a kicker applet TQString history_file_name = ::locateLocal( "data", "klipper/history2.lst" ); TQFile history_file( history_file_name ); bool oldfile = false; if ( !history_file.exists() ) { // backwards compatibility oldfile = true; history_file_name = ::locateLocal( "data", "klipper/history.lst" ); history_file.setName( history_file_name ); if ( !history_file.exists() ) { history_file_name = ::locateLocal( "data", "kicker/history.lst" ); history_file.setName( history_file_name ); if ( !history_file.exists() ) { return false; } } } if ( !history_file.open( IO_ReadOnly ) ) { kdWarning() << failed_load_warning << ": " << TQString(history_file.errorString()) << endl; return false; } TQDataStream file_stream( &history_file ); if( file_stream.atEnd()) { kdWarning() << failed_load_warning << endl; return false; } TQDataStream* history_stream = &file_stream; TQByteArray data; if( !oldfile ) { TQ_UINT32 crc; file_stream >> crc >> data; if( crc32( 0, reinterpret_cast<unsigned char *>( data.data() ), data.size() ) != crc ) { kdWarning() << failed_load_warning << ": " << TQString(history_file.errorString()) << endl; return false; } history_stream = new TQDataStream( data, IO_ReadOnly ); } char* version; *history_stream >> version; delete[] version; // The list needs to be reversed, as it is saved // youngest-first to keep the most important clipboard // items at the top, but the history is created oldest // first. TQPtrList<HistoryItem> reverseList; for ( HistoryItem* item = HistoryItem::create( *history_stream ); item; item = HistoryItem::create( *history_stream ) ) { reverseList.prepend( item ); } for ( HistoryItem* item = reverseList.first(); item; item = reverseList.next() ) { history()->forceInsert( item ); } if ( !history()->empty() ) { m_lastSelection = -1; m_lastClipboard = -1; setClipboard( *history()->first(), Clipboard | Selection ); } if( history_stream != &file_stream ) delete history_stream; return true; } void KlipperWidget::saveHistory() { static const char* const failed_save_warning = "Failed to save history. Clipboard history cannot be saved."; // don't use "appdata", klipper is also a kicker applet TQString history_file_name( ::locateLocal( "data", "klipper/history2.lst" ) ); if ( history_file_name.isNull() || history_file_name.isEmpty() ) { kdWarning() << failed_save_warning << endl; return; } KSaveFile history_file( history_file_name ); if ( history_file.status() != 0 ) { kdWarning() << failed_save_warning << endl; return; } TQByteArray data; TQDataStream history_stream( data, IO_WriteOnly ); history_stream << klipper_version; // const char* for ( const HistoryItem* item = history()->first(); item; item = history()->next() ) { history_stream << item; } TQ_UINT32 crc = crc32( 0, reinterpret_cast<unsigned char *>( data.data() ), data.size() ); *history_file.dataStream() << crc << data; } void KlipperWidget::readProperties(TDEConfig *kc) { TQStringList dataList; history()->slotClear(); if (bKeepContents) { // load old clipboard if configured if ( !loadHistory() ) { // Try to load from the old config file. // Remove this at some point. TDEConfigGroupSaver groupSaver(kc, "General"); dataList = kc->readListEntry("ClipboardData"); for (TQStringList::ConstIterator it = dataList.end(); it != dataList.begin(); ) { history()->forceInsert( new HistoryStringItem( *( --it ) ) ); } if ( !dataList.isEmpty() ) { m_lastSelection = -1; m_lastClipboard = -1; setClipboard( *history()->first(), Clipboard | Selection ); } } } } void KlipperWidget::readConfiguration( TDEConfig *kc ) { kc->setGroup("General"); bPopupAtMouse = kc->readBoolEntry("PopupAtMousePosition", false); bKeepContents = kc->readBoolEntry("KeepClipboardContents", true); bURLGrabber = kc->readBoolEntry("URLGrabberEnabled", false); bReplayActionInHistory = kc->readBoolEntry("ReplayActionInHistory", false); bNoNullClipboard = kc->readBoolEntry("NoEmptyClipboard", true); bUseGUIRegExpEditor = kc->readBoolEntry("UseGUIRegExpEditor", true ); history()->max_size( kc->readNumEntry("MaxClipItems", 7) ); bIgnoreSelection = kc->readBoolEntry("IgnoreSelection", false); bSynchronize = kc->readBoolEntry("Synchronize", false); bSelectionTextOnly = kc->readBoolEntry("SelectionTextOnly",true); bIgnoreImages = kc->readBoolEntry("IgnoreImages",true); } void KlipperWidget::writeConfiguration( TDEConfig *kc ) { kc->setGroup("General"); kc->writeEntry("PopupAtMousePosition", bPopupAtMouse); kc->writeEntry("KeepClipboardContents", bKeepContents); kc->writeEntry("ReplayActionInHistory", bReplayActionInHistory); kc->writeEntry("NoEmptyClipboard", bNoNullClipboard); kc->writeEntry("UseGUIRegExpEditor", bUseGUIRegExpEditor); kc->writeEntry("MaxClipItems", history()->max_size() ); kc->writeEntry("IgnoreSelection", bIgnoreSelection); kc->writeEntry("Synchronize", bSynchronize ); kc->writeEntry("SelectionTextOnly", bSelectionTextOnly); kc->writeEntry("TrackImages", bIgnoreImages); kc->writeEntry("Version", klipper_version ); if ( myURLGrabber ) myURLGrabber->writeConfiguration( kc ); kc->sync(); } // save session on shutdown. Don't simply use the c'tor, as that may not be called. void KlipperWidget::saveSession() { if ( bKeepContents ) { // save the clipboard eventually saveHistory(); } } void KlipperWidget::slotSettingsChanged( int category ) { if ( category == (int) TDEApplication::SETTINGS_SHORTCUTS ) { globalKeys->readSettings(); globalKeys->updateConnections(); toggleURLGrabAction->setShortcut(globalKeys->shortcut("Enable/Disable Clipboard Actions")); } } void KlipperWidget::disableURLGrabber() { KMessageBox::information( 0L, i18n( "You can enable URL actions later by right-clicking on the " "Klipper icon and selecting 'Enable Actions'" ) ); setURLGrabberEnabled( false ); } void KlipperWidget::slotConfigure() { bool haveURLGrabber = bURLGrabber; if ( !myURLGrabber ) { // temporary, for the config-dialog setURLGrabberEnabled( true ); readConfiguration( m_config ); } ConfigDialog *dlg = new ConfigDialog( myURLGrabber->actionList(), globalKeys, isApplet() ); dlg->setKeepContents( bKeepContents ); dlg->setPopupAtMousePos( bPopupAtMouse ); dlg->setStripWhiteSpace( myURLGrabber->stripWhiteSpace() ); dlg->setReplayActionInHistory( bReplayActionInHistory ); dlg->setNoNullClipboard( bNoNullClipboard ); dlg->setUseGUIRegExpEditor( bUseGUIRegExpEditor ); dlg->setPopupTimeout( myURLGrabber->popupTimeout() ); dlg->setMaxItems( history()->max_size() ); dlg->setIgnoreSelection( bIgnoreSelection ); dlg->setSynchronize( bSynchronize ); dlg->setNoActionsFor( myURLGrabber->avoidWindows() ); if ( dlg->exec() == TQDialog::Accepted ) { bKeepContents = dlg->keepContents(); bPopupAtMouse = dlg->popupAtMousePos(); bReplayActionInHistory = dlg->replayActionInHistory(); bNoNullClipboard = dlg->noNullClipboard(); bIgnoreSelection = dlg->ignoreSelection(); bSynchronize = dlg->synchronize(); bUseGUIRegExpEditor = dlg->useGUIRegExpEditor(); dlg->commitShortcuts(); // the keys need to be written to kdeglobals, not kickerrc --ellis, 22/9/02 globalKeys->writeSettings(0, true); globalKeys->updateConnections(); toggleURLGrabAction->setShortcut(globalKeys->shortcut("Enable/Disable Clipboard Actions")); myURLGrabber->setActionList( dlg->actionList() ); myURLGrabber->setPopupTimeout( dlg->popupTimeout() ); myURLGrabber->setStripWhiteSpace( dlg->stripWhiteSpace() ); myURLGrabber->setAvoidWindows( dlg->noActionsFor() ); history()->max_size( dlg->maxItems() ); writeConfiguration( m_config ); } setURLGrabberEnabled( haveURLGrabber ); delete dlg; } void KlipperWidget::slotQuit() { // If the menu was just opened, likely the user // selected quit by accident while attempting to // click the Klipper icon. if ( showTimer->elapsed() < 300 ) { return; } saveSession(); int autoStart = KMessageBox::questionYesNoCancel( 0L, i18n("Should Klipper start automatically\nwhen you login?"), i18n("Automatically Start Klipper?"), i18n("Start"), i18n("Do Not Start") ); TDEConfig *config = TDEGlobal::config(); config->setGroup("General"); if ( autoStart == KMessageBox::Yes ) { config->writeEntry("AutoStart", true); } else if ( autoStart == KMessageBox::No) { config->writeEntry("AutoStart", false); } else // cancel chosen don't quit return; config->sync(); kapp->quit(); } void KlipperWidget::slotPopupMenu() { KlipperPopup* popup = history()->popup(); popup->ensureClean(); showPopupMenu( popup ); } void KlipperWidget::slotRepeatAction() { if ( !myURLGrabber ) { myURLGrabber = new URLGrabber( m_config ); connect( myURLGrabber, TQT_SIGNAL( sigPopup( TQPopupMenu * )), TQT_SLOT( showPopupMenu( TQPopupMenu * )) ); connect( myURLGrabber, TQT_SIGNAL( sigDisablePopup() ), this, TQT_SLOT( disableURLGrabber() ) ); } const HistoryStringItem* top = dynamic_cast<const HistoryStringItem*>( history()->first() ); if ( top ) { myURLGrabber->invokeAction( top->text() ); } } void KlipperWidget::setURLGrabberEnabled( bool enable ) { if (enable != bURLGrabber) { bURLGrabber = enable; TDEConfig *kc = m_config; kc->setGroup("General"); kc->writeEntry("URLGrabberEnabled", bURLGrabber); m_lastURLGrabberTextSelection = TQString(); m_lastURLGrabberTextClipboard = TQString(); } toggleURLGrabAction->setChecked( enable ); if ( !bURLGrabber ) { delete myURLGrabber; myURLGrabber = 0L; toggleURLGrabAction->setText(i18n("Enable &Actions")); } else { toggleURLGrabAction->setText(i18n("&Actions Enabled")); if ( !myURLGrabber ) { myURLGrabber = new URLGrabber( m_config ); connect( myURLGrabber, TQT_SIGNAL( sigPopup( TQPopupMenu * )), TQT_SLOT( showPopupMenu( TQPopupMenu * )) ); connect( myURLGrabber, TQT_SIGNAL( sigDisablePopup() ), this, TQT_SLOT( disableURLGrabber() ) ); } } } void KlipperWidget::toggleURLGrabber() { setURLGrabberEnabled( !bURLGrabber ); } void KlipperWidget::slotHistoryTopChanged() { if ( locklevel ) { return; } const HistoryItem* topitem = history()->first(); if ( topitem ) { setClipboard( *topitem, Clipboard | Selection ); } if ( bReplayActionInHistory && bURLGrabber ) { slotRepeatAction(); } } void KlipperWidget::slotClearClipboard() { Ignore lock( locklevel ); clip->clear(TQClipboard::Selection); clip->clear(TQClipboard::Clipboard); } //XXX: Should die, and the DCOP signal handled sensible. TQString KlipperWidget::clipboardContents( bool * /*isSelection*/ ) { kdWarning() << "Obsolete function called. Please fix" << endl; #if 0 bool selection = true; TQMimeSource* data = clip->data(TQClipboard::Selection); if ( data->serialNumber() == m_lastSelection ) { TQString clipContents = clip->text(TQClipboard::Clipboard); if ( clipContents != m_lastClipboard ) { contents = clipContents; selection = false; } else selection = true; } if ( isSelection ) *isSelection = selection; #endif return 0; } void KlipperWidget::applyClipChanges( const TQMimeSource& clipData ) { if ( locklevel ) return; Ignore lock( locklevel ); history()->insert( HistoryItem::create( clipData ) ); } void KlipperWidget::newClipData( bool selectionMode ) { if ( locklevel ) { return; } if( blockFetchingNewData()) return; checkClipData( selectionMode ); } void KlipperWidget::clipboardSignalArrived( bool selectionMode ) { if ( locklevel ) { return; } if( blockFetchingNewData()) return; updateTimestamp(); checkClipData( selectionMode ); } // Protection against too many clipboard data changes. Lyx responds to clipboard data // requests with setting new clipboard data, so if Lyx takes over clipboard, // Klipper notices, requests this data, this triggers "new" clipboard contents // from Lyx, so Klipper notices again, requests this data, ... you get the idea. const int MAX_CLIPBOARD_CHANGES = 10; // max changes per second bool KlipperWidget::blockFetchingNewData() { // Hacks for #85198 and #80302. // #85198 - block fetching new clipboard contents if Shift is pressed and mouse is not, // this may mean the user is doing selection using the keyboard, in which case // it's possible the app sets new clipboard contents after every change - Klipper's // history would list them all. // #80302 - OOo (v1.1.3 at least) has a bug that if Klipper requests its clipboard contents // while the user is doing a selection using the mouse, OOo stops updating the clipboard // contents, so in practice it's like the user has selected only the part which was // selected when Klipper asked first. ButtonState buttonstate = kapp->keyboardMouseState(); if( ( buttonstate & ( ShiftButton | Qt::LeftButton )) == ShiftButton // #85198 || ( buttonstate & Qt::LeftButton ) == Qt::LeftButton ) { // #80302 m_pendingContentsCheck = true; m_pendingCheckTimer.start( 100, true ); return true; } m_pendingContentsCheck = false; if( ++m_overflowCounter > MAX_CLIPBOARD_CHANGES ) return true; return false; } void KlipperWidget::slotCheckPending() { if( !m_pendingContentsCheck ) return; m_pendingContentsCheck = false; // blockFetchingNewData() will be called again updateTimestamp(); newClipData( true ); // always selection } void KlipperWidget::checkClipData( bool selectionMode ) { if ( ignoreClipboardChanges() ) // internal to klipper, ignoring TQSpinBox selections { // keep our old clipboard, thanks // This won't quite work, but it's close enough for now. // The trouble is that the top selection =! top clipboard // but we don't track that yet. We will.... const HistoryItem* top = history()->first(); if ( top ) { setClipboard( *top, selectionMode ? Selection : Clipboard); } return; } // debug code // debug code #ifdef NOISY_KLIPPER kdDebug() << "Checking clip data" << endl; #endif #if 0 kdDebug() << "====== c h e c k C l i p D a t a ============================" << kdBacktrace() << "====== c h e c k C l i p D a t a ============================" << endl;; #endif #if 0 if ( sender() ) { kdDebug() << "sender=" << sender()->name() << endl; } else { kdDebug() << "no sender" << endl; } #endif #if 0 kdDebug() << "\nselectionMode=" << selectionMode << "\nserialNo=" << clip->data()->serialNumber() << " (sel,cli)=(" << m_lastSelection << "," << m_lastClipboard << ")" << "\nowning (sel,cli)=(" << clip->ownsSelection() << "," << clip->ownsClipboard() << ")" << "\ntext=" << clip->text( selectionMode ? TQClipboard::Selection : TQClipboard::Clipboard) << endl; #endif #if 0 const char *format; int i = 0; while ( (format = clip->data()->format( i++ )) ) { tqDebug( " format: %s", format); } #endif TQMimeSource* data = clip->data( selectionMode ? TQClipboard::Selection : TQClipboard::Clipboard ); if ( !data ) { kdWarning("No data in clipboard. This not not supposed to happen." ); return; } int lastSerialNo = selectionMode ? m_lastSelection : m_lastClipboard; bool changed = data->serialNumber() != lastSerialNo; bool clipEmpty = ( data->format() == 0L ); if ( changed && clipEmpty && bNoNullClipboard ) { const HistoryItem* top = history()->first(); if ( top ) { // keep old clipboard after someone set it to null #ifdef NOISY_KLIPPER kdDebug() << "Resetting clipboard (Prevent empty clipboard)" << endl; #endif setClipboard( *top, selectionMode ? Selection : Clipboard ); } return; } // this must be below the "bNoNullClipboard" handling code! // XXX: I want a better handling of selection/clipboard in general. // XXX: Order sensitive code. Must die. if ( selectionMode && bIgnoreSelection ) return; if( selectionMode && bSelectionTextOnly && !TQTextDrag::canDecode( data )) return; if( KURLDrag::canDecode( data )) ; // ok else if( TQTextDrag::canDecode( data )) ; // ok else if( TQImageDrag::canDecode( data )) { // Limit mimetypes that are tracked by Klipper (this is basically a workaround // for #109032). Can't add UI in 3.5 because of string freeze, and I'm not sure // if this actually needs to be more configurable than only text vs all klipper knows. if( bIgnoreImages ) return; else { // ok } } else // unknown, ignore return; // store old contents: if ( selectionMode ) m_lastSelection = data->serialNumber(); else m_lastClipboard = data->serialNumber(); TQString& lastURLGrabberText = selectionMode ? m_lastURLGrabberTextSelection : m_lastURLGrabberTextClipboard; if( TQTextDrag::canDecode( data )) { if ( bURLGrabber && myURLGrabber ) { TQString text; TQTextDrag::decode( data, text ); // Make sure URLGrabber doesn't repeat all the time if klipper reads the same // text all the time (e.g. because XFixes is not available and the application // has broken TIMESTAMP target). Using most recent history item may not always // work. if ( text != lastURLGrabberText ) { lastURLGrabberText = text; if ( myURLGrabber->checkNewData( text ) ) { return; // don't add into the history } } } else lastURLGrabberText = TQString(); } else lastURLGrabberText = TQString(); if (changed) { applyClipChanges( *data ); #ifdef NOISY_KLIPPER kdDebug() << "Synchronize?" << ( bSynchronize ? "yes" : "no" ) << endl; #endif if ( bSynchronize ) { const HistoryItem* topItem = history()->first(); if ( topItem ) { setClipboard( *topItem, selectionMode ? Clipboard : Selection ); } } } } void KlipperWidget::setClipboard( const HistoryItem& item, int mode ) { Ignore lock( locklevel ); Q_ASSERT( ( mode & 1 ) == 0 ); // Warn if trying to pass a boolean as a mode. if ( mode & Selection ) { #ifdef NOSIY_KLIPPER kdDebug() << "Setting selection to <" << item.text() << ">" << endl; #endif clip->setData( item.mimeSource(), TQClipboard::Selection ); m_lastSelection = clip->data()->serialNumber(); } if ( mode & Clipboard ) { #ifdef NOSIY_KLIPPER kdDebug() << "Setting clipboard to <" << item.text() << ">" << endl; #endif clip->setData( item.mimeSource(), TQClipboard::Clipboard ); m_lastClipboard = clip->data()->serialNumber(); } } void KlipperWidget::slotClearOverflow() { if( m_overflowCounter > MAX_CLIPBOARD_CHANGES ) { kdDebug() << "App owning the clipboard/selection is lame" << endl; // update to the latest data - this unfortunately may trigger the problem again newClipData( true ); // Always the selection. } m_overflowCounter = 0; } TQStringList KlipperWidget::getClipboardHistoryMenu() { TQStringList menu; for ( const HistoryItem* item = history()->first(); item; item = history()->next() ) { menu << item->text(); } return menu; } TQString KlipperWidget::getClipboardHistoryItem(int i) { for ( const HistoryItem* item = history()->first(); item; item = history()->next() , i-- ) { if ( i == 0 ) { return item->text(); } } return TQString::null; } // // changing a spinbox in klipper's config-dialog causes the lineedit-contents // of the spinbox to be selected and hence the clipboard changes. But we don't // want all those items in klipper's history. See #41917 // bool KlipperWidget::ignoreClipboardChanges() const { TQWidget *focusWidget = tqApp->focusWidget(); if ( focusWidget ) { if ( focusWidget->inherits( TQSPINBOX_OBJECT_NAME_STRING ) || (focusWidget->parentWidget() && focusWidget->inherits(TQLINEEDIT_OBJECT_NAME_STRING) && focusWidget->parentWidget()->inherits(TQSPINWIDGET_OBJECT_NAME_STRING)) ) { return true; } } return false; } // TQClipboard uses tqt_x_time as the timestamp for selection operations. // It is updated mainly from user actions, but Klipper polls the clipboard // without any user action triggering it, so tqt_x_time may be old, // which could possibly lead to TQClipboard reporting empty clipboard. // Therefore, tqt_x_time needs to be updated to current X server timestamp. // Call TDEApplication::updateUserTime() only from functions that are // called from outside (DCOP), or from TQTimer timeout ! static Time next_x_time; static Bool update_x_time_predicate( Display*, XEvent* event, XPointer ) { if( next_x_time != CurrentTime ) return False; // from qapplication_x11.cpp switch ( event->type ) { case ButtonPress: // fallthrough intended case ButtonRelease: next_x_time = event->xbutton.time; break; case MotionNotify: next_x_time = event->xmotion.time; break; case KeyPress: // fallthrough intended case KeyRelease: next_x_time = event->xkey.time; break; case PropertyNotify: next_x_time = event->xproperty.time; break; case EnterNotify: case LeaveNotify: next_x_time = event->xcrossing.time; break; case SelectionClear: next_x_time = event->xselectionclear.time; break; default: break; } return False; } void KlipperWidget::updateTimestamp() { // Qt3.3.0 and 3.3.1 use tqt_x_user_time for clipboard operations Time time = ( strcmp( tqVersion(), "3.3.1" ) == 0 || strcmp( tqVersion(), "3.3.0" ) == 0 ) ? GET_QT_X_USER_TIME() : GET_QT_X_TIME(); static TQWidget* w = 0; if ( !w ) w = new TQWidget; unsigned char data[ 1 ]; XChangeProperty( tqt_xdisplay(), w->winId(), XA_ATOM, XA_ATOM, 8, PropModeAppend, data, 1 ); next_x_time = CurrentTime; XEvent dummy; XCheckIfEvent( tqt_xdisplay(), &dummy, update_x_time_predicate, NULL ); if( next_x_time == CurrentTime ) { XSync( tqt_xdisplay(), False ); XCheckIfEvent( tqt_xdisplay(), &dummy, update_x_time_predicate, NULL ); } Q_ASSERT( next_x_time != CurrentTime ); time = next_x_time; XEvent ev; // remove the PropertyNotify event from the events queue XWindowEvent( tqt_xdisplay(), w->winId(), PropertyChangeMask, &ev ); } static const char * const description = I18N_NOOP("TDE cut & paste history utility"); void KlipperWidget::createAboutData() { about_data = new TDEAboutData("klipper", I18N_NOOP("Klipper"), klipper_version, description, TDEAboutData::License_GPL, "(c) 1998, Andrew Stanley-Jones\n" "1998-2002, Carsten Pfeiffer\n" "2001, Patrick Dubroy"); about_data->addAuthor("Carsten Pfeiffer", I18N_NOOP("Author"), "pfeiffer@kde.org"); about_data->addAuthor("Andrew Stanley-Jones", I18N_NOOP( "Original Author" ), "asj@cban.com"); about_data->addAuthor("Patrick Dubroy", I18N_NOOP("Contributor"), "patrickdu@corel.com"); about_data->addAuthor( "Luboš Luňák", I18N_NOOP("Bugfixes and optimizations"), "l.lunak@kde.org"); about_data->addAuthor( "Esben Mose Hansen", I18N_NOOP("Maintainer"), "kde@mosehansen.dk"); } void KlipperWidget::destroyAboutData() { delete about_data; about_data = NULL; } TDEAboutData* KlipperWidget::about_data; TDEAboutData* KlipperWidget::aboutData() { return about_data; } Klipper::Klipper( TQWidget* parent ) : KlipperWidget( parent, kapp->config()) { } // this sucks ... KUniqueApplication registers itself as 'klipper' // for the unique-app detection calls (and it shouldn't use that name IMHO) // but in Klipper it's not KUniqueApplication class who handles // the DCOP calls, but an instance of class Klipper, registered as 'klipper' // this below avoids a warning when KUniqueApplication wouldn't otherwise // find newInstance() (which doesn't do anything in Klipper anyway) int Klipper::newInstance() { kapp->dcopClient()->setPriorityCall(false); // Allow other dcop calls return 0; } // this is used for quiting klipper process, if klipper is being started as an applet // (AKA ugly hack) void Klipper::quitProcess() { kapp->dcopClient()->detach(); kapp->quit(); } static void ensureGlobalSyncOff(TDEConfig* config) { config->setGroup("General"); if ( config->readBoolEntry( "SynchronizeClipboardAndSelection" ) ) { kdDebug() << "Shutting off global synchronization" << endl; config->writeEntry("SynchronizeClipboardAndSelection", false, true, true ); config->sync(); TDEClipboardSynchronizer::setSynchronizing( false ); TDEClipboardSynchronizer::setReverseSynchronizing( false ); KIPC::sendMessageAll( KIPC::ClipboardConfigChanged, 0 ); } } #include "toplevel.moc"