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kmail kmsystemtray.cpp Go to the documentation of this file. // -*- mode: C++; c-file-style: "gnu" -*- /*************************************************************************** kmsystemtray.cpp - description ------------------- begin : Fri Aug 31 22:38:44 EDT 2001 copyright : (C) 2001 by Ryan Breen email : ryan@porivo.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. * * * ***************************************************************************/ #include <config.h> #include "kmsystemtray.h" #include "kmfolder.h" #include "kmfoldertree.h" #include "kmfoldermgr.h" #include "kmfolderimap.h" #include "kmmainwidget.h" #include "accountmanager.h" using KMail::AccountManager; #include "globalsettings.h" #include <kapplication.h> #include <kmainwindow.h> #include <kglobalsettings.h> #include <kiconloader.h> #include <kiconeffect.h> #include <kwin.h> #include <kdebug.h> #include <kpopupmenu.h> #include <qpainter.h> #include <qbitmap.h> #include <qtooltip.h> #include <qwidgetlist.h> #include <qobjectlist.h> #include <math.h> #include <assert.h> KMSystemTray::KMSystemTray(QWidget *parent, const char *name) : KSystemTray( parent, name ), mParentVisible( true ), mPosOfMainWin( 0, 0 ), mDesktopOfMainWin( 0 ), mMode( GlobalSettings::EnumSystemTrayPolicy::ShowOnUnread ), mCount( 0 ), mNewMessagePopupId(-1), mPopupMenu(0) { setAlignment( AlignCenter ); kdDebug(5006) << "Initting systray" << endl; mLastUpdate = time( 0 ); mUpdateTimer = new QTimer( this, "systraytimer" ); connect( mUpdateTimer, SIGNAL( timeout() ), SLOT( updateNewMessages() ) ); mDefaultIcon = loadIcon( "kmail" ); mLightIconImage = loadIcon( "kmaillight" ).convertToImage(); setPixmap(mDefaultIcon); KMMainWidget * mainWidget = kmkernel->getKMMainWidget(); if ( mainWidget ) { QWidget * mainWin = mainWidget->topLevelWidget(); if ( mainWin ) { mDesktopOfMainWin = KWin::windowInfo( mainWin->winId(), NET::WMDesktop ).desktop(); mPosOfMainWin = mainWin->pos(); } } // register the applet with the kernel kmkernel->registerSystemTrayApplet( this ); foldersChanged(); connect( kmkernel->folderMgr(), SIGNAL(changed()), SLOT(foldersChanged())); connect( kmkernel->imapFolderMgr(), SIGNAL(changed()), SLOT(foldersChanged())); connect( kmkernel->dimapFolderMgr(), SIGNAL(changed()), SLOT(foldersChanged())); connect( kmkernel->searchFolderMgr(), SIGNAL(changed()), SLOT(foldersChanged())); connect( kmkernel->acctMgr(), SIGNAL( checkedMail( bool, bool, const QMap<QString, int> & ) ), SLOT( updateNewMessages() ) ); } void KMSystemTray::buildPopupMenu() { // Delete any previously created popup menu delete mPopupMenu; mPopupMenu = 0; mPopupMenu = new KPopupMenu(); KMMainWidget * mainWidget = kmkernel->getKMMainWidget(); if ( !mainWidget ) return; mPopupMenu->insertTitle(*(this->pixmap()), "KMail"); KAction * action; if ( ( action = mainWidget->action("check_mail") ) ) action->plug( mPopupMenu ); if ( ( action = mainWidget->action("check_mail_in") ) ) action->plug( mPopupMenu ); if ( ( action = mainWidget->action("send_queued") ) ) action->plug( mPopupMenu ); if ( ( action = mainWidget->action("send_queued_via") ) ) action->plug( mPopupMenu ); mPopupMenu->insertSeparator(); if ( ( action = mainWidget->action("new_message") ) ) action->plug( mPopupMenu ); if ( ( action = mainWidget->action("kmail_configure_kmail") ) ) action->plug( mPopupMenu ); mPopupMenu->insertSeparator(); KMainWindow *mainWin = ::qt_cast<KMainWindow*>(kmkernel->getKMMainWidget()->topLevelWidget()); if(mainWin) if ( ( action=mainWin->actionCollection()->action("file_quit") ) ) action->plug( mPopupMenu ); } KMSystemTray::~KMSystemTray() { // unregister the applet kmkernel->unregisterSystemTrayApplet( this ); delete mPopupMenu; mPopupMenu = 0; } void KMSystemTray::setMode(int newMode) { if(newMode == mMode) return; kdDebug(5006) << "Setting systray mMode to " << newMode << endl; mMode = newMode; switch ( mMode ) { case GlobalSettings::EnumSystemTrayPolicy::ShowAlways: if ( isHidden() ) show(); break; case GlobalSettings::EnumSystemTrayPolicy::ShowOnUnread: if ( mCount == 0 && !isHidden() ) hide(); else if ( mCount > 0 && isHidden() ) show(); break; default: kdDebug(5006) << k_funcinfo << " Unknown systray mode " << mMode << endl; } } int KMSystemTray::mode() const { return mMode; } void KMSystemTray::updateCount() { if(mCount != 0) { int oldPixmapWidth = pixmap()->size().width(); int oldPixmapHeight = pixmap()->size().height(); QString countString = QString::number( mCount ); QFont countFont = KGlobalSettings::generalFont(); countFont.setBold(true); // decrease the size of the font for the number of unread messages if the // number doesn't fit into the available space float countFontSize = countFont.pointSizeFloat(); QFontMetrics qfm( countFont ); int width = qfm.width( countString ); if( width > oldPixmapWidth ) { countFontSize *= float( oldPixmapWidth ) / float( width ); countFont.setPointSizeFloat( countFontSize ); } // Create an image which represents the number of unread messages // and which has a transparent background. // Unfortunately this required the following twisted code because for some // reason text that is drawn on a transparent pixmap is invisible // (apparently the alpha channel isn't changed when the text is drawn). // Therefore I have to draw the text on a solid background and then remove // the background by making it transparent with QPixmap::setMask. This // involves the slow createHeuristicMask() function (from the API docs: // "This function is slow because it involves transformation to a QImage, // non-trivial computations and a transformation back to a QBitmap."). Then // I have to convert the resulting QPixmap to a QImage in order to overlay // the light KMail icon with the number (because KIconEffect::overlay only // works with QImage). Finally the resulting QImage has to be converted // back to a QPixmap. // That's a lot of work for overlaying the KMail icon with the number of // unread messages, but every other approach I tried failed miserably. // IK, 2003-09-22 QPixmap numberPixmap( oldPixmapWidth, oldPixmapHeight ); numberPixmap.fill( Qt::white ); QPainter p( &numberPixmap ); p.setFont( countFont ); p.setPen( Qt::blue ); p.drawText( numberPixmap.rect(), Qt::AlignCenter, countString ); numberPixmap.setMask( numberPixmap.createHeuristicMask() ); QImage numberImage = numberPixmap.convertToImage(); // Overlay the light KMail icon with the number image QImage iconWithNumberImage = mLightIconImage.copy(); KIconEffect::overlay( iconWithNumberImage, numberImage ); QPixmap iconWithNumber; iconWithNumber.convertFromImage( iconWithNumberImage ); setPixmap( iconWithNumber ); } else { setPixmap( mDefaultIcon ); } } void KMSystemTray::foldersChanged() { mFoldersWithUnread.clear(); mCount = 0; if ( mMode == GlobalSettings::EnumSystemTrayPolicy::ShowOnUnread ) { hide(); } disconnect(this, SLOT(updateNewMessageNotification(KMFolder *))); QStringList folderNames; QValueList<QGuardedPtr<KMFolder> > folderList; kmkernel->folderMgr()->createFolderList(&folderNames, &folderList); kmkernel->imapFolderMgr()->createFolderList(&folderNames, &folderList); kmkernel->dimapFolderMgr()->createFolderList(&folderNames, &folderList); kmkernel->searchFolderMgr()->createFolderList(&folderNames, &folderList); QStringList::iterator strIt = folderNames.begin(); for(QValueList<QGuardedPtr<KMFolder> >::iterator it = folderList.begin(); it != folderList.end() && strIt != folderNames.end(); ++it, ++strIt) { KMFolder * currentFolder = *it; QString currentName = *strIt; if ( ((!currentFolder->isSystemFolder() || (currentFolder->name().lower() == "inbox")) || (currentFolder->folderType() == KMFolderTypeImap)) && !currentFolder->ignoreNewMail() ) { connect(currentFolder, SIGNAL(numUnreadMsgsChanged(KMFolder *)), this, SLOT(updateNewMessageNotification(KMFolder *))); updateNewMessageNotification(currentFolder); } } } void KMSystemTray::mousePressEvent(QMouseEvent *e) { // switch to kmail on left mouse button if( e->button() == LeftButton ) { if( mParentVisible && mainWindowIsOnCurrentDesktop() ) hideKMail(); else showKMail(); } // open popup menu on right mouse button if( e->button() == RightButton ) { mPopupFolders.clear(); mPopupFolders.reserve( mFoldersWithUnread.count() ); // Rebuild popup menu at click time to minimize race condition if // the base KMainWidget is closed. buildPopupMenu(); if(mNewMessagePopupId != -1) { mPopupMenu->removeItem(mNewMessagePopupId); } if(mFoldersWithUnread.count() > 0) { KPopupMenu *newMessagesPopup = new KPopupMenu(); QMap<QGuardedPtr<KMFolder>, int>::Iterator it = mFoldersWithUnread.begin(); for(uint i=0; it != mFoldersWithUnread.end(); ++i) { kdDebug(5006) << "Adding folder" << endl; mPopupFolders.append( it.key() ); QString item = prettyName(it.key()) + " (" + QString::number(it.data()) + ")"; newMessagesPopup->insertItem(item, this, SLOT(selectedAccount(int)), 0, i); ++it; } mNewMessagePopupId = mPopupMenu->insertItem(i18n("New Messages In"), newMessagesPopup, mNewMessagePopupId, 3); kdDebug(5006) << "Folders added" << endl; } mPopupMenu->popup(e->globalPos()); } } QString KMSystemTray::prettyName(KMFolder * fldr) { QString rvalue = fldr->label(); if(fldr->folderType() == KMFolderTypeImap) { KMFolderImap * imap = dynamic_cast<KMFolderImap*> (fldr->storage()); assert(imap); if((imap->account() != 0) && (imap->account()->name() != 0) ) { kdDebug(5006) << "IMAP folder, prepend label with type" << endl; rvalue = imap->account()->name() + "->" + rvalue; } } kdDebug(5006) << "Got label " << rvalue << endl; return rvalue; } bool KMSystemTray::mainWindowIsOnCurrentDesktop() { KMMainWidget * mainWidget = kmkernel->getKMMainWidget(); if ( !mainWidget ) return false; QWidget *mainWin = kmkernel->getKMMainWidget()->topLevelWidget(); if ( !mainWin ) return false; return KWin::windowInfo( mainWin->winId(), NET::WMDesktop ).isOnCurrentDesktop(); } void KMSystemTray::showKMail() { if (!kmkernel->getKMMainWidget()) return; QWidget *mainWin = kmkernel->getKMMainWidget()->topLevelWidget(); assert(mainWin); if(mainWin) { KWin::WindowInfo cur = KWin::windowInfo( mainWin->winId(), NET::WMDesktop ); if ( cur.valid() ) mDesktopOfMainWin = cur.desktop(); // switch to appropriate desktop if ( mDesktopOfMainWin != NET::OnAllDesktops ) KWin::setCurrentDesktop( mDesktopOfMainWin ); if ( !mParentVisible ) { if ( mDesktopOfMainWin == NET::OnAllDesktops ) KWin::setOnAllDesktops( mainWin->winId(), true ); mainWin->move( mPosOfMainWin ); mainWin->show(); } KWin::activateWindow( mainWin->winId() ); mParentVisible = true; } kmkernel->raise(); //Fake that the folders have changed so that the icon status is correct foldersChanged(); } void KMSystemTray::hideKMail() { if (!kmkernel->getKMMainWidget()) return; QWidget *mainWin = kmkernel->getKMMainWidget()->topLevelWidget(); assert(mainWin); if(mainWin) { mDesktopOfMainWin = KWin::windowInfo( mainWin->winId(), NET::WMDesktop ).desktop(); mPosOfMainWin = mainWin->pos(); // iconifying is unnecessary, but it looks cooler KWin::iconifyWindow( mainWin->winId() ); mainWin->hide(); mParentVisible = false; } } void KMSystemTray::updateNewMessageNotification(KMFolder * fldr) { //We don't want to count messages from search folders as they // already counted as part of their original folders if( !fldr || fldr->folderType() == KMFolderTypeSearch ) { // kdDebug(5006) << "Null or a search folder, can't mess with that" << endl; return; } mPendingUpdates[ fldr ] = true; if ( time( 0 ) - mLastUpdate > 2 ) { mUpdateTimer->stop(); updateNewMessages(); } else { mUpdateTimer->start(150, true); } } void KMSystemTray::updateNewMessages() { for ( QMap<QGuardedPtr<KMFolder>, bool>::Iterator it = mPendingUpdates.begin(); it != mPendingUpdates.end(); ++it) { KMFolder *fldr = it.key(); if ( !fldr ) // deleted folder continue; int unread = fldr->countUnread(); QMap<QGuardedPtr<KMFolder>, int>::Iterator it = mFoldersWithUnread.find(fldr); bool unmapped = (it == mFoldersWithUnread.end()); if(unmapped) mCount += unread; /* Otherwise, get the difference between the numUnread in the folder and * our last known version, and adjust mCount with that difference */ else { int diff = unread - it.data(); mCount += diff; } if(unread > 0) { mFoldersWithUnread.insert(fldr, unread); //kdDebug(5006) << "There are now " << mFoldersWithUnread.count() << " folders with unread" << endl; } if(unmapped) { if(unread == 0) continue; if ( ( mMode == GlobalSettings::EnumSystemTrayPolicy::ShowOnUnread ) && isHidden() ) { show(); } } else { if(unread == 0) { kdDebug(5006) << "Removing folder from internal store " << fldr->name() << endl; mFoldersWithUnread.remove(fldr); if(mFoldersWithUnread.count() == 0) { mPopupFolders.clear(); disconnect(this, SLOT(selectedAccount(int))); mCount = 0; if ( mMode == GlobalSettings::EnumSystemTrayPolicy::ShowOnUnread ) { hide(); } } } } } mPendingUpdates.clear(); updateCount(); QToolTip::remove(this); QToolTip::add(this, mCount == 0 ? i18n("There are no unread messages") : i18n("There is 1 unread message.", "There are %n unread messages.", mCount)); mLastUpdate = time( 0 ); } void KMSystemTray::selectedAccount(int id) { showKMail(); KMMainWidget * mainWidget = kmkernel->getKMMainWidget(); if (!mainWidget) { kmkernel->openReader(); mainWidget = kmkernel->getKMMainWidget(); } assert(mainWidget); KMFolder * fldr = mPopupFolders.at(id); if(!fldr) return; KMFolderTree * ft = mainWidget->folderTree(); if(!ft) return; QListViewItem * fldrIdx = ft->indexOfFolder(fldr); if(!fldrIdx) return; ft->setCurrentItem(fldrIdx); ft->selectCurrentFolder(); } #include "kmsystemtray.moc" kmail Skip menu "kmail" Main Page Namespace List Class Hierarchy Alphabetical List Class List File List Namespace Members Class Members Related Pages API Reference Skip menu "API Reference"   doc kioslaves kmail konsolekalendar kpilot libemailfunctions libkcal Generated for API Reference by doxygen 1.5.9 This website is maintained by Adriaan de Groot and Allen Winter. 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