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kde-workspace/klipper/klipper.cpp
Ivailo Monev c433e4502a generic: adjust for use with CMake moc
2015-02-27 09:28:46 +00:00

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/* This file is part of the KDE project
Copyright (C) by Andrew Stanley-Jones <asj@cban.com>
Copyright (C) 2000 by Carsten Pfeiffer <pfeiffer@kde.org>
Copyright (C) 2004 Esben Mose Hansen <kde@mosehansen.dk>
Copyright (C) 2008 by Dmitry Suzdalev <dimsuz@gmail.com>
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 "klipper.h"
#include <zlib.h>
#include <QtGui/QMenu>
#include <QtDBus/QDBusConnection>
#include <KAboutData>
#include <KLocale>
#include <KMessageBox>
#include <KSaveFile>
#include <KSessionManager>
#include <KStandardDirs>
#include <KDebug>
#include <KGlobalSettings>
#include <KActionCollection>
#include <KToggleAction>
#include <KTextEdit>
#include <KApplication>
#include <KIcon>
#include "configdialog.h"
#include "klippersettings.h"
#include "urlgrabber.h"
#include "version.h"
#include "history.h"
#include "historyitem.h"
#include "historystringitem.h"
#include "klipperpopup.h"
#ifdef HAVE_PRISON
#include <prison/BarcodeWidget>
#include <prison/DataMatrixBarcode>
#include <prison/QRCodeBarcode>
#endif
#ifdef Q_WS_X11
#include <X11/Xlib.h>
#include <X11/Xatom.h>
#endif
//#define NOISY_KLIPPER
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 KlipperSessionManager : public KSessionManager
{
public:
KlipperSessionManager( Klipper* k )
: klipper( k )
{}
virtual ~KlipperSessionManager() {}
/**
* Save state upon session exit.
*
* Saving history on session save
*/
virtual bool commitData( QSessionManager& ) {
klipper->saveSession();
return true;
}
private:
Klipper* klipper;
};
// config == KGlobal::config for process, otherwise applet
Klipper::Klipper(QObject* parent, const KSharedConfigPtr& config)
: QObject( parent )
, m_overflowCounter( 0 )
, m_locklevel( 0 )
, m_config( config )
, m_pendingContentsCheck( false )
, m_sessionManager( new KlipperSessionManager( this ))
{
setenv("KSNI_NO_DBUSMENU", "1", 1);
QDBusConnection::sessionBus().registerObject("/klipper", this, QDBusConnection::ExportScriptableSlots);
updateTimestamp(); // read initial X user time
m_clip = kapp->clipboard();
connect( m_clip, SIGNAL(changed(QClipboard::Mode)),
this, SLOT(newClipData(QClipboard::Mode)) );
connect( &m_overflowClearTimer, SIGNAL(timeout()), SLOT(slotClearOverflow()));
m_pendingCheckTimer.setSingleShot( true );
connect( &m_pendingCheckTimer, SIGNAL(timeout()), SLOT(slotCheckPending()));
m_history = new History( this );
// we need that collection, otherwise KToggleAction is not happy :}
m_collection = new KActionCollection( this );
m_toggleURLGrabAction = new KToggleAction( this );
m_collection->addAction( "clipboard_action", m_toggleURLGrabAction );
m_toggleURLGrabAction->setText(i18n("Enable Clipboard Actions"));
m_toggleURLGrabAction->setGlobalShortcut(KShortcut(Qt::ALT+Qt::CTRL+Qt::Key_X));
connect( m_toggleURLGrabAction, SIGNAL(toggled(bool)),
this, SLOT(setURLGrabberEnabled(bool)));
/*
* Create URL grabber
*/
m_myURLGrabber = new URLGrabber(m_history);
connect( m_myURLGrabber, SIGNAL(sigPopup(QMenu*)),
SLOT(showPopupMenu(QMenu*)) );
connect( m_myURLGrabber, SIGNAL(sigDisablePopup()),
SLOT(disableURLGrabber()) );
/*
* Load configuration settings
*/
loadSettings();
// load previous history if configured
if (m_bKeepContents) {
loadHistory();
}
m_clearHistoryAction = m_collection->addAction( "clear-history" );
m_clearHistoryAction->setIcon( KIcon("edit-clear-history") );
m_clearHistoryAction->setText( i18n("C&lear Clipboard History") );
m_clearHistoryAction->setGlobalShortcut(KShortcut());
connect(m_clearHistoryAction, SIGNAL(triggered()), SLOT(slotAskClearHistory()));
m_configureAction = m_collection->addAction( "configure" );
m_configureAction->setIcon( KIcon("configure") );
m_configureAction->setText( i18n("&Configure Klipper...") );
connect(m_configureAction, SIGNAL(triggered(bool)), SLOT(slotConfigure()));
m_quitAction = m_collection->addAction( "quit" );
m_quitAction->setIcon( KIcon("application-exit") );
m_quitAction->setText( i18nc("@item:inmenu Quit Klipper", "&Quit") );
connect(m_quitAction, SIGNAL(triggered(bool)), SLOT(slotQuit()));
m_repeatAction = m_collection->addAction("repeat_action");
m_repeatAction->setText(i18n("Manually Invoke Action on Current Clipboard"));
m_repeatAction->setGlobalShortcut(KShortcut(Qt::ALT+Qt::CTRL+Qt::Key_R));
connect(m_repeatAction, SIGNAL(triggered()), SLOT(slotRepeatAction()));
// add an edit-possibility
m_editAction = m_collection->addAction("edit_clipboard");
m_editAction->setIcon(KIcon("document-properties"));
m_editAction->setText(i18n("&Edit Contents..."));
m_editAction->setGlobalShortcut(KShortcut());
connect(m_editAction, SIGNAL(triggered()), SLOT(slotEditData()));
#ifdef HAVE_PRISON
// add barcode for mobile phones
m_showBarcodeAction = m_collection->addAction("show-barcode");
m_showBarcodeAction->setText(i18n("&Show Barcode..."));
m_showBarcodeAction->setGlobalShortcut(KShortcut());
connect(m_showBarcodeAction, SIGNAL(triggered()), SLOT(slotShowBarcode()));
#endif
// Cycle through history
m_cycleNextAction = m_collection->addAction("cycleNextAction");
m_cycleNextAction->setText(i18n("Next History Item"));
m_cycleNextAction->setGlobalShortcut(KShortcut());
connect(m_cycleNextAction, SIGNAL(triggered(bool)), SLOT(slotCycleNext()));
m_cyclePrevAction = m_collection->addAction("cyclePrevAction");
m_cyclePrevAction->setText(i18n("Previous History Item"));
m_cyclePrevAction->setGlobalShortcut(KShortcut());
connect(m_cyclePrevAction, SIGNAL(triggered(bool)), SLOT(slotCyclePrev()));
// Action to show Klipper popup on mouse position
m_showOnMousePos = m_collection->addAction("show-on-mouse-pos");
m_showOnMousePos->setText(i18n("Open Klipper at Mouse Position"));
m_showOnMousePos->setGlobalShortcut(KShortcut());
connect(m_showOnMousePos, SIGNAL(triggered(bool)), this, SLOT(slotPopupMenu()));
KlipperPopup* popup = history()->popup();
connect ( history(), SIGNAL(topChanged()), SLOT(slotHistoryTopChanged()) );
connect( popup, SIGNAL(aboutToShow()), SLOT(slotStartShowTimer()) );
popup->plugAction( m_toggleURLGrabAction );
popup->plugAction( m_clearHistoryAction );
popup->plugAction( m_configureAction );
popup->plugAction( m_repeatAction );
popup->plugAction( m_editAction );
#ifdef HAVE_PRISON
popup->plugAction( m_showBarcodeAction );
#endif
if ( !isApplet() ) {
popup->plugAction( m_quitAction );
}
}
Klipper::~Klipper()
{
delete m_sessionManager;
delete m_myURLGrabber;
}
// DBUS
QString Klipper::getClipboardContents()
{
return getClipboardHistoryItem(0);
}
void Klipper::showKlipperPopupMenu() {
slotPopupMenu();
}
void Klipper::showKlipperManuallyInvokeActionMenu() {
slotRepeatAction();
}
// DBUS - don't call from Klipper itself
void Klipper::setClipboardContents(QString s)
{
if (s.isEmpty())
return;
Ignore lock( m_locklevel );
updateTimestamp();
HistoryStringItem* item = new HistoryStringItem( s );
setClipboard( *item, Clipboard | Selection);
history()->insert( item );
}
// DBUS - don't call from Klipper itself
void Klipper::clearClipboardContents()
{
updateTimestamp();
slotClearClipboard();
}
// DBUS - don't call from Klipper itself
void Klipper::clearClipboardHistory()
{
updateTimestamp();
slotClearClipboard();
history()->slotClear();
saveSession();
}
// DBUS - don't call from Klipper itself
void Klipper::saveClipboardHistory()
{
if ( m_bKeepContents ) { // save the clipboard eventually
saveHistory();
}
}
void Klipper::slotStartShowTimer()
{
m_showTimer.start();
}
void Klipper::loadSettings()
{
// Security bug 142882: If user has save clipboard turned off, old data should be deleted from disk
static bool firstrun = true;
if (!firstrun && m_bKeepContents && !KlipperSettings::keepClipboardContents()) {
saveHistory(true);
}
firstrun=false;
m_bKeepContents = KlipperSettings::keepClipboardContents();
m_bReplayActionInHistory = KlipperSettings::replayActionInHistory();
m_bNoNullClipboard = KlipperSettings::preventEmptyClipboard();
// 0 is the id of "Ignore selection" radiobutton
m_bIgnoreSelection = KlipperSettings::ignoreSelection();
m_bIgnoreImages = KlipperSettings::ignoreImages();
m_bSynchronize = KlipperSettings::syncClipboards();
// NOTE: not used atm - kregexpeditor is not ported to kde4
m_bUseGUIRegExpEditor = KlipperSettings::useGUIRegExpEditor();
m_bSelectionTextOnly = KlipperSettings::selectionTextOnly();
m_bURLGrabber = KlipperSettings::uRLGrabberEnabled();
// this will cause it to loadSettings too
setURLGrabberEnabled(m_bURLGrabber);
history()->setMaxSize( KlipperSettings::maxClipItems() );
// Convert 4.3 settings
if (KlipperSettings::synchronize() != 3) {
// 2 was the id of "Ignore selection" radiobutton
m_bIgnoreSelection = KlipperSettings::synchronize() == 2;
// 0 was the id of "Synchronize contents" radiobutton
m_bSynchronize = KlipperSettings::synchronize() == 0;
KConfigSkeletonItem* item = KlipperSettings::self()->findItem("SyncClipboards");
item->setProperty(m_bSynchronize);
item = KlipperSettings::self()->findItem("IgnoreSelection");
item->setProperty(m_bIgnoreSelection);
item = KlipperSettings::self()->findItem("Synchronize"); // Mark property as converted.
item->setProperty(3);
KlipperSettings::self()->writeConfig();
KlipperSettings::self()->readConfig();
}
}
void Klipper::saveSettings() const
{
m_myURLGrabber->saveSettings();
KlipperSettings::self()->setVersion(klipper_version);
KlipperSettings::self()->writeConfig();
// other settings should be saved automatically by KConfigDialog
}
void Klipper::showPopupMenu( QMenu* menu )
{
Q_ASSERT( menu != 0L );
QSize size = menu->sizeHint(); // geometry is not valid until it's shown
QPoint pos = QCursor::pos();
// ### We can't know where the systray icon is (since it can be hidden or shown
// in several places), so the cursor position is the only option.
if ( size.height() < pos.y() )
pos.ry() -= size.height();
menu->popup(pos);
}
bool Klipper::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
QString history_file_name = KStandardDirs::locateLocal( "data", "klipper/history2.lst" );
QFile history_file( history_file_name );
if ( !history_file.exists() ) {
kWarning() << failed_load_warning << ": " << "History file does not exist" ;
return false;
}
if ( !history_file.open( QIODevice::ReadOnly ) ) {
kWarning() << failed_load_warning << ": " << history_file.errorString() ;
return false;
}
QDataStream file_stream( &history_file );
if( file_stream.atEnd()) {
kWarning() << failed_load_warning << ": " << "Error in reading data" ;
return false;
}
QByteArray data;
quint32 crc;
file_stream >> crc >> data;
if( crc32( 0, reinterpret_cast<unsigned char *>( data.data() ), data.size() ) != crc ) {
kWarning() << failed_load_warning << ": " << "CRC checksum does not match" ;
return false;
}
QDataStream history_stream( &data, QIODevice::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.
QList<HistoryItem*> reverseList;
for ( HistoryItem* item = HistoryItem::create( history_stream );
item;
item = HistoryItem::create( history_stream ) )
{
reverseList.prepend( item );
}
history()->slotClear();
for ( QList<HistoryItem*>::const_iterator it = reverseList.constBegin();
it != reverseList.constEnd();
++it )
{
history()->forceInsert( *it );
}
if ( !history()->empty() ) {
setClipboard( *history()->first(), Clipboard | Selection );
}
return true;
}
void Klipper::saveHistory(bool empty) {
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
QString history_file_name( KStandardDirs::locateLocal( "data", "klipper/history2.lst" ) );
if ( history_file_name.isNull() || history_file_name.isEmpty() ) {
kWarning() << failed_save_warning ;
return;
}
KSaveFile history_file( history_file_name );
if ( !history_file.open() ) {
kWarning() << failed_save_warning ;
return;
}
QByteArray data;
QDataStream history_stream( &data, QIODevice::WriteOnly );
history_stream << klipper_version; // const char*
if (!empty) {
const HistoryItem *item = history()->first();
if (item) {
do {
history_stream << item;
item = history()->find(item->next_uuid());
} while (item != history()->first());
}
}
quint32 crc = crc32( 0, reinterpret_cast<unsigned char *>( data.data() ), data.size() );
QDataStream ds ( &history_file );
ds << crc << data;
}
// save session on shutdown. Don't simply use the c'tor, as that may not be called.
void Klipper::saveSession()
{
if ( m_bKeepContents ) { // save the clipboard eventually
saveHistory();
}
saveSettings();
}
void Klipper::disableURLGrabber()
{
KMessageBox::information( 0L,
i18n( "You can enable URL actions later by left-clicking on the "
"Klipper icon and selecting 'Enable Clipboard Actions'" ) );
setURLGrabberEnabled( false );
}
void Klipper::slotConfigure()
{
if (KConfigDialog::showDialog("preferences")) {
return;
}
ConfigDialog *dlg = new ConfigDialog( 0, KlipperSettings::self(), this, m_collection, isApplet() );
connect(dlg, SIGNAL(settingsChanged(QString)), SLOT(loadSettings()));
dlg->show();
}
void Klipper::slotQuit()
{
// If the menu was just opened, likely the user
// selected quit by accident while attempting to
// click the Klipper icon.
if ( m_showTimer.elapsed() < 300 ) {
return;
}
saveSession();
int autoStart = KMessageBox::questionYesNoCancel(0, i18n("Should Klipper start automatically when you login?"),
i18n("Automatically Start Klipper?"), KGuiItem(i18n("Start")),
KGuiItem(i18n("Do Not Start")), KStandardGuiItem::cancel(), "StartAutomatically");
KConfigGroup config( KGlobal::config(), "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 Klipper::slotPopupMenu() {
KlipperPopup* popup = history()->popup();
popup->ensureClean();
popup->slotSetTopActive();
showPopupMenu( popup );
}
void Klipper::slotRepeatAction()
{
const HistoryStringItem* top = dynamic_cast<const HistoryStringItem*>( history()->first() );
if ( top ) {
m_myURLGrabber->invokeAction( top );
}
}
void Klipper::setURLGrabberEnabled( bool enable )
{
if (enable != m_bURLGrabber) {
m_bURLGrabber = enable;
m_lastURLGrabberTextSelection.clear();
m_lastURLGrabberTextClipboard.clear();
KlipperSettings::setURLGrabberEnabled(enable);
}
m_toggleURLGrabAction->setChecked( enable );
// make it update its settings
m_myURLGrabber->loadSettings();
}
void Klipper::slotHistoryTopChanged() {
if ( m_locklevel ) {
return;
}
const HistoryItem* topitem = history()->first();
if ( topitem ) {
setClipboard( *topitem, Clipboard | Selection );
}
if ( m_bReplayActionInHistory && m_bURLGrabber ) {
slotRepeatAction();
}
}
void Klipper::slotClearClipboard()
{
Ignore lock( m_locklevel );
m_clip->clear(QClipboard::Selection);
m_clip->clear(QClipboard::Clipboard);
}
HistoryItem* Klipper::applyClipChanges( const QMimeData* clipData )
{
if ( m_locklevel ) {
return 0L;
}
Ignore lock( m_locklevel );
HistoryItem* item = HistoryItem::create( clipData );
history()->insert( item );
return item;
}
void Klipper::newClipData( QClipboard::Mode mode )
{
if ( m_locklevel ) {
return;
}
if( mode == QClipboard::Selection && blockFetchingNewData())
return;
checkClipData( mode == QClipboard::Selection ? true : false );
}
// 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 Klipper::blockFetchingNewData()
{
#ifdef Q_WS_X11
// 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.
// Use XQueryPointer rather than QApplication::mouseButtons()/keyboardModifiers(), because
// Klipper needs the very current state.
Window root, child;
int root_x, root_y, win_x, win_y;
uint state;
XQueryPointer( QX11Info::display(), QX11Info::appRootWindow(), &root, &child,
&root_x, &root_y, &win_x, &win_y, &state );
if( ( state & ( ShiftMask | Button1Mask )) == ShiftMask // #85198
|| ( state & Button1Mask ) == Button1Mask ) { // #80302
m_pendingContentsCheck = true;
m_pendingCheckTimer.start( 100 );
return true;
}
m_pendingContentsCheck = false;
if ( m_overflowCounter == 0 )
m_overflowClearTimer.start( 1000 );
if( ++m_overflowCounter > MAX_CLIPBOARD_CHANGES )
return true;
#endif
return false;
}
void Klipper::slotCheckPending()
{
if( !m_pendingContentsCheck )
return;
m_pendingContentsCheck = false; // blockFetchingNewData() will be called again
updateTimestamp();
newClipData( QClipboard::Selection ); // always selection
}
void Klipper::checkClipData( bool selectionMode )
{
if ( ignoreClipboardChanges() ) // internal to klipper, ignoring QSpinBox 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
#ifdef NOISY_KLIPPER
kDebug() << "Checking clip data";
kDebug() << "====== c h e c k C l i p D a t a ============================"
<< kBacktrace()
<< "====== c h e c k C l i p D a t a ============================"
<< endl;;
if ( sender() ) {
kDebug() << "sender=" << sender()->objectName();
} else {
kDebug() << "no sender";
}
kDebug() << "\nselectionMode=" << selectionMode
<< "\nowning (sel,cli)=(" << m_clip->ownsSelection() << "," << m_clip->ownsClipboard() << ")"
<< "\ntext=" << m_clip->text( selectionMode ? QClipboard::Selection : QClipboard::Clipboard) << endl;
#endif
const QMimeData* data = m_clip->mimeData( selectionMode ? QClipboard::Selection : QClipboard::Clipboard );
if ( !data ) {
kWarning() << "No data in clipboard. This not not supposed to happen.";
return;
}
bool changed = true; // ### FIXME (only relevant under polling, might be better to simply remove polling and rely on XFixes)
bool clipEmpty = data->formats().isEmpty();
if (clipEmpty) {
// Might be a timeout. Try again
clipEmpty = data->formats().isEmpty();
#ifdef NOISY_KLIPPER
kDebug() << "was empty. Retried, now " << (clipEmpty?" still empty":" no longer empty");
#endif
}
if ( changed && clipEmpty && m_bNoNullClipboard ) {
const HistoryItem* top = history()->first();
if ( top ) {
// keep old clipboard after someone set it to null
#ifdef NOISY_KLIPPER
kDebug() << "Resetting clipboard (Prevent empty clipboard)";
#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 && m_bIgnoreSelection )
return;
if( selectionMode && m_bSelectionTextOnly && !data->hasText())
return;
if( KUrl::List::canDecode( data ) )
; // ok
else if( data->hasText() )
; // ok
else if( data->hasImage() )
{
if( m_bIgnoreImages )
return;
}
else // unknown, ignore
return;
HistoryItem* item = applyClipChanges( data );
if (changed) {
#ifdef NOISY_KLIPPER
kDebug() << "Synchronize?" << m_bSynchronize;
#endif
if ( m_bSynchronize && item ) {
setClipboard( *item, selectionMode ? Clipboard : Selection );
}
}
QString& lastURLGrabberText = selectionMode
? m_lastURLGrabberTextSelection : m_lastURLGrabberTextClipboard;
if( m_bURLGrabber && item && data->hasText())
{
m_myURLGrabber->checkNewData( item );
// 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 ( item->text() != lastURLGrabberText )
{
lastURLGrabberText = item->text();
}
} else {
lastURLGrabberText.clear();
}
}
void Klipper::setClipboard( const HistoryItem& item, int mode )
{
Ignore lock( m_locklevel );
Q_ASSERT( ( mode & 1 ) == 0 ); // Warn if trying to pass a boolean as a mode.
if ( mode & Selection ) {
#ifdef NOISY_KLIPPER
kDebug() << "Setting selection to <" << item.text() << ">";
#endif
m_clip->setMimeData( item.mimeData(), QClipboard::Selection );
}
if ( mode & Clipboard ) {
#ifdef NOISY_KLIPPER
kDebug() << "Setting clipboard to <" << item.text() << ">";
#endif
m_clip->setMimeData( item.mimeData(), QClipboard::Clipboard );
}
}
void Klipper::slotClearOverflow()
{
m_overflowClearTimer.stop();
if( m_overflowCounter > MAX_CLIPBOARD_CHANGES ) {
kDebug() << "App owning the clipboard/selection is lame";
// update to the latest data - this unfortunately may trigger the problem again
newClipData( QClipboard::Selection ); // Always the selection.
}
m_overflowCounter = 0;
}
QStringList Klipper::getClipboardHistoryMenu()
{
QStringList menu;
const HistoryItem* item = history()->first();
if (item) {
do {
menu << item->text();
item = history()->find(item->next_uuid());
} while (item != history()->first());
}
return menu;
}
QString Klipper::getClipboardHistoryItem(int i)
{
const HistoryItem* item = history()->first();
if (item) {
do {
if (i-- == 0) {
return item->text();
}
item = history()->find(item->next_uuid());
} while (item != history()->first());
}
return QString();
}
//
// 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 Klipper::ignoreClipboardChanges() const
{
QWidget *focusWidget = qApp->focusWidget();
if ( focusWidget )
{
if ( focusWidget->inherits( "QSpinBox" ) ||
(focusWidget->parentWidget() &&
focusWidget->inherits("QLineEdit") &&
focusWidget->parentWidget()->inherits("QSpinWidget")) )
{
return true;
}
}
return false;
}
#ifdef Q_WS_X11
// QClipboard uses qt_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 qt_x_time may be old,
// which could possibly lead to QClipboard reporting empty clipboard.
// Therefore, qt_x_time needs to be updated to current X server timestamp.
// Call KApplication::updateUserTime() only from functions that are
// called from outside (DBUS), or from QTimer 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;
}
#endif
void Klipper::updateTimestamp()
{
#ifdef Q_WS_X11
static QWidget* w = 0;
if ( !w )
w = new QWidget;
unsigned char data[ 1 ];
XChangeProperty( QX11Info::display(), w->winId(), XA_ATOM, XA_ATOM, 8, PropModeAppend, data, 1 );
next_x_time = CurrentTime;
XEvent dummy;
XCheckIfEvent( QX11Info::display(), &dummy, update_x_time_predicate, NULL );
if( next_x_time == CurrentTime )
{
XSync( QX11Info::display(), False );
XCheckIfEvent( QX11Info::display(), &dummy, update_x_time_predicate, NULL );
}
Q_ASSERT( next_x_time != CurrentTime );
QX11Info::setAppTime( next_x_time );
XEvent ev; // remove the PropertyNotify event from the events queue
XWindowEvent( QX11Info::display(), w->winId(), PropertyChangeMask, &ev );
#endif
}
static const char * const description =
I18N_NOOP("KDE cut & paste history utility");
void Klipper::createAboutData()
{
m_about_data = new KAboutData("klipper", 0, ki18n("Klipper"),
klipper_version, ki18n(description), KAboutData::License_GPL,
ki18n("(c) 1998, Andrew Stanley-Jones\n"
"1998-2002, Carsten Pfeiffer\n"
"2001, Patrick Dubroy"));
m_about_data->addAuthor(ki18n("Carsten Pfeiffer"),
ki18n("Author"),
"pfeiffer@kde.org");
m_about_data->addAuthor(ki18n("Andrew Stanley-Jones"),
ki18n( "Original Author" ),
"asj@cban.com");
m_about_data->addAuthor(ki18n("Patrick Dubroy"),
ki18n("Contributor"),
"patrickdu@corel.com");
m_about_data->addAuthor( ki18n("Luboš Luňák"),
ki18n("Bugfixes and optimizations"),
"l.lunak@kde.org");
m_about_data->addAuthor( ki18n("Esben Mose Hansen"),
ki18n("Maintainer"),
"kde@mosehansen.dk");
}
void Klipper::destroyAboutData()
{
delete m_about_data;
m_about_data = NULL;
}
KAboutData* Klipper::m_about_data;
KAboutData* Klipper::aboutData()
{
return m_about_data;
}
void Klipper::slotEditData()
{
const HistoryStringItem* item = dynamic_cast<const HistoryStringItem*>(m_history->first());
KDialog dlg;
dlg.setModal( true );
dlg.setCaption( i18n("Edit Contents") );
dlg.setButtons( KDialog::Ok | KDialog::Cancel );
KTextEdit *edit = new KTextEdit( &dlg );
if (item) {
edit->setText( item->text() );
}
edit->setFocus();
edit->setMinimumSize( 300, 40 );
dlg.setMainWidget( edit );
dlg.adjustSize();
if ( dlg.exec() == KDialog::Accepted ) {
QString text = edit->toPlainText();
if (item) {
m_history->remove( item );
}
m_history->insert( new HistoryStringItem(text) );
if (m_myURLGrabber) {
m_myURLGrabber->checkNewData( m_history->first() );
}
}
}
#ifdef HAVE_PRISON
void Klipper::slotShowBarcode()
{
using namespace prison;
const HistoryStringItem* item = dynamic_cast<const HistoryStringItem*>(m_history->first());
KDialog dlg;
dlg.setModal( true );
dlg.setCaption( i18n("Mobile Barcode") );
dlg.setButtons( KDialog::Ok );
QWidget* mw = new QWidget(&dlg);
QHBoxLayout* layout = new QHBoxLayout(mw);
BarcodeWidget* qrcode = new BarcodeWidget(new QRCodeBarcode());
BarcodeWidget* datamatrix = new BarcodeWidget(new DataMatrixBarcode());
if (item) {
qrcode->setData( item->text() );
datamatrix->setData( item->text() );
}
layout->addWidget(qrcode);
layout->addWidget(datamatrix);
mw->setFocus();
dlg.setMainWidget( mw );
dlg.adjustSize();
dlg.exec();
}
#endif //HAVE_PRISON
void Klipper::slotAskClearHistory()
{
int clearHist = KMessageBox::questionYesNo(0,
i18n("Really delete entire clipboard history?"),
i18n("Delete clipboard history?"),
KStandardGuiItem::yes(),
KStandardGuiItem::no(),
QString::fromUtf8("really_clear_history"),
KMessageBox::Dangerous);
if (clearHist == KMessageBox::Yes) {
history()->slotClear();
slotClearClipboard();
saveHistory();
}
}
void Klipper::slotCycleNext()
{
//do cycle and show popup only if we have something in clipboard
if (m_history->first()) {
m_history->cycleNext();
emit passivePopup(i18n("Clipboard history"), cycleText());
}
}
void Klipper::slotCyclePrev()
{
//do cycle and show popup only if we have something in clipboard
if (m_history->first()) {
m_history->cyclePrev();
emit passivePopup(i18n("Clipboard history"), cycleText());
}
}
QString Klipper::cycleText() const
{
const int WIDTH_IN_PIXEL = 400;
const HistoryItem* itemprev = m_history->prevInCycle();
const HistoryItem* item = m_history->first();
const HistoryItem* itemnext = m_history->nextInCycle();
QFontMetrics font_metrics(m_history->popup()->fontMetrics());
QString result("<table>");
if (itemprev) {
result += "<tr><td>";
result += i18n("up");
result += "</td><td>";
result += font_metrics.elidedText(Qt::escape(itemprev->text().simplified()), Qt::ElideMiddle, WIDTH_IN_PIXEL);
result += "</td></tr>";
}
result += "<tr><td>";
result += i18n("current");
result += "</td><td><b>";
result += font_metrics.elidedText(Qt::escape(item->text().simplified()), Qt::ElideMiddle, WIDTH_IN_PIXEL);
result += "</b></td></tr>";
if (itemnext) {
result += "<tr><td>";
result += i18n("down");
result += "</td><td>";
result += font_metrics.elidedText(Qt::escape(itemnext->text().simplified()), Qt::ElideMiddle, WIDTH_IN_PIXEL);
result += "</td></tr>";
}
result += "</table>";
return result;
}
#include "moc_klipper.cpp"
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