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599 lines
19 KiB
599 lines
19 KiB
// -*- mode: C++; c-file-style: "gnu" -*-
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/***************************************************************************
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kmsystemtray.cpp - description
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-------------------
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begin : Fri Aug 31 22:38:44 EDT 2001
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copyright : (C) 2001 by Ryan Breen
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email : ryan@porivo.com
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#include <config.h>
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#include "kmsystemtray.h"
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#include "kmfolder.h"
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#include "kmfoldertree.h"
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#include "kmfoldermgr.h"
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#include "kmfolderimap.h"
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#include "kmmainwidget.h"
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#include "accountmanager.h"
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using KMail::AccountManager;
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#include "globalsettings.h"
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#include <kapplication.h>
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#include <kmainwindow.h>
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#include <kglobalsettings.h>
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#include <kiconloader.h>
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#include <kiconeffect.h>
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#include <kwin.h>
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#include <kdebug.h>
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#include <kpopupmenu.h>
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#include <tqpainter.h>
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#include <tqbitmap.h>
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#include <tqtooltip.h>
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#include <tqwidgetlist.h>
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#include <tqobjectlist.h>
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#include <math.h>
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#include <assert.h>
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/**
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* Construct a KSystemTray icon to be displayed when new mail
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* has arrived in a non-system folder. The KMSystemTray listens
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* for updateNewMessageNotification events from each non-system
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* KMFolder and maintains a store of all folders with unread
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* messages.
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*
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* The KMSystemTray also provides a popup menu listing each folder
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* with its count of unread messages, allowing the user to jump
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* to the first unread message in each folder.
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*/
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KMSystemTray::KMSystemTray(TQWidget *parent, const char *name)
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: KSystemTray( parent, name ),
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mParentVisible( true ),
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mPosOfMainWin( 0, 0 ),
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mDesktopOfMainWin( 0 ),
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mMode( GlobalSettings::EnumSystemTrayPolicy::ShowOnUnread ),
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mCount( 0 ),
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mNewMessagePopupId(-1),
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mPopupMenu(0)
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{
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tqsetAlignment( AlignCenter );
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kdDebug(5006) << "Initting systray" << endl;
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mLastUpdate = time( 0 );
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mUpdateTimer = new TQTimer( this, "systraytimer" );
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connect( mUpdateTimer, TQT_SIGNAL( timeout() ), TQT_SLOT( updateNewMessages() ) );
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mDefaultIcon = loadIcon( "kmail" );
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mLightIconImage = loadIcon( "kmaillight" ).convertToImage();
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setPixmap(mDefaultIcon);
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KMMainWidget * mainWidget = kmkernel->getKMMainWidget();
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if ( mainWidget ) {
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TQWidget * mainWin = mainWidget->tqtopLevelWidget();
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if ( mainWin ) {
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mDesktopOfMainWin = KWin::windowInfo( mainWin->winId(),
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NET::WMDesktop ).desktop();
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mPosOfMainWin = mainWin->pos();
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}
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}
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// register the applet with the kernel
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kmkernel->registerSystemTrayApplet( this );
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/** Initiate connections between folders and this object */
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foldersChanged();
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connect( kmkernel->folderMgr(), TQT_SIGNAL(changed()), TQT_SLOT(foldersChanged()));
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connect( kmkernel->imapFolderMgr(), TQT_SIGNAL(changed()), TQT_SLOT(foldersChanged()));
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connect( kmkernel->dimapFolderMgr(), TQT_SIGNAL(changed()), TQT_SLOT(foldersChanged()));
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connect( kmkernel->searchFolderMgr(), TQT_SIGNAL(changed()), TQT_SLOT(foldersChanged()));
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connect( kmkernel->acctMgr(), TQT_SIGNAL( checkedMail( bool, bool, const TQMap<TQString, int> & ) ),
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TQT_SLOT( updateNewMessages() ) );
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connect( this, TQT_SIGNAL( quitSelected() ), TQT_SLOT( tray_quit() ) );
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}
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void KMSystemTray::buildPopupMenu()
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{
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// Delete any previously created popup menu
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delete mPopupMenu;
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mPopupMenu = new KPopupMenu();
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KMMainWidget * mainWidget = kmkernel->getKMMainWidget();
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if ( !mainWidget )
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return;
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mPopupMenu->insertTitle(*(this->pixmap()), "KMail");
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KAction * action;
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if ( ( action = mainWidget->action("check_mail") ) )
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action->plug( mPopupMenu );
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if ( ( action = mainWidget->action("check_mail_in") ) )
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action->plug( mPopupMenu );
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if ( ( action = mainWidget->action("send_queued") ) )
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action->plug( mPopupMenu );
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if ( ( action = mainWidget->action("send_queued_via") ) )
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action->plug( mPopupMenu );
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mPopupMenu->insertSeparator();
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if ( ( action = mainWidget->action("new_message") ) )
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action->plug( mPopupMenu );
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if ( ( action = mainWidget->action("kmail_configure_kmail") ) )
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action->plug( mPopupMenu );
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mPopupMenu->insertSeparator();
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KMainWindow *mainWin = ::qt_cast<KMainWindow*>(kmkernel->getKMMainWidget()->tqtopLevelWidget());
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mPopupMenu->insertItem( SmallIcon("exit"), i18n("&Quit"), this, TQT_SLOT(maybeQuit()) );
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}
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void KMSystemTray::tray_quit()
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{
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// Quit all of KMail
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kapp->quit();
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}
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KMSystemTray::~KMSystemTray()
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{
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// unregister the applet
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kmkernel->unregisterSystemTrayApplet( this );
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delete mPopupMenu;
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mPopupMenu = 0;
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}
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void KMSystemTray::setMode(int newMode)
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{
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if(newMode == mMode) return;
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kdDebug(5006) << "Setting systray mMode to " << newMode << endl;
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mMode = newMode;
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switch ( mMode ) {
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case GlobalSettings::EnumSystemTrayPolicy::ShowAlways:
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if ( isHidden() )
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show();
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break;
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case GlobalSettings::EnumSystemTrayPolicy::ShowOnUnread:
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if ( mCount == 0 && !isHidden() )
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hide();
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else if ( mCount > 0 && isHidden() )
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show();
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break;
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default:
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kdDebug(5006) << k_funcinfo << " Unknown systray mode " << mMode << endl;
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}
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}
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int KMSystemTray::mode() const
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{
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return mMode;
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}
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/**
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* Update the count of unread messages. If there are unread messages,
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* overlay the count on top of a transparent version of the KMail icon.
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* If there is no unread mail, restore the normal KMail icon.
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*/
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void KMSystemTray::updateCount()
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{
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if(mCount != 0)
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{
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int oldPixmapWidth = pixmap()->size().width();
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int oldPixmapHeight = pixmap()->size().height();
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TQString countString = TQString::number( mCount );
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TQFont countFont = KGlobalSettings::generalFont();
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countFont.setBold(true);
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// decrease the size of the font for the number of unread messages if the
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// number doesn't fit into the available space
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float countFontSize = countFont.pointSizeFloat();
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TQFontMetrics qfm( countFont );
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int width = qfm.width( countString );
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if( width > oldPixmapWidth )
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{
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countFontSize *= float( oldPixmapWidth ) / float( width );
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countFont.setPointSizeFloat( countFontSize );
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}
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// Create an image which represents the number of unread messages
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// and which has a transparent background.
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// Unfortunately this required the following twisted code because for some
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// reason text that is drawn on a transparent pixmap is invisible
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// (apparently the alpha channel isn't changed when the text is drawn).
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// Therefore I have to draw the text on a solid background and then remove
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// the background by making it transparent with TQPixmap::setMask. This
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// involves the slow createHeuristicMask() function (from the API docs:
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// "This function is slow because it involves transformation to a TQImage,
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// non-trivial computations and a transformation back to a TQBitmap."). Then
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// I have to convert the resulting TQPixmap to a TQImage in order to overlay
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// the light KMail icon with the number (because KIconEffect::overlay only
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// works with TQImage). Finally the resulting TQImage has to be converted
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// back to a TQPixmap.
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// That's a lot of work for overlaying the KMail icon with the number of
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// unread messages, but every other approach I tried failed miserably.
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// IK, 2003-09-22
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TQPixmap numberPixmap( oldPixmapWidth, oldPixmapHeight );
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numberPixmap.fill( Qt::white );
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TQPainter p( &numberPixmap );
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p.setFont( countFont );
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p.setPen( Qt::blue );
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p.drawText( numberPixmap.rect(), Qt::AlignCenter, countString );
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numberPixmap.setMask( numberPixmap.createHeuristicMask() );
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TQImage numberImage = numberPixmap.convertToImage();
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// Overlay the light KMail icon with the number image
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TQImage iconWithNumberImage = mLightIconImage.copy();
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KIconEffect::overlay( iconWithNumberImage, numberImage );
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TQPixmap iconWithNumber;
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iconWithNumber.convertFromImage( iconWithNumberImage );
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setPixmap( iconWithNumber );
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} else
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{
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setPixmap( mDefaultIcon );
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}
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}
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/**
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* Refreshes the list of folders we are monitoring. This is called on
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* startup and is also connected to the 'changed' signal on the KMFolderMgr.
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*/
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void KMSystemTray::foldersChanged()
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{
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/**
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* Hide and remove all unread mappings to cover the case where the only
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* unread message was in a folder that was just removed.
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*/
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mFoldersWithUnread.clear();
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mCount = 0;
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if ( mMode == GlobalSettings::EnumSystemTrayPolicy::ShowOnUnread ) {
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hide();
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}
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/** Disconnect all previous connections */
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disconnect(this, TQT_SLOT(updateNewMessageNotification(KMFolder *)));
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TQStringList folderNames;
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TQValueList<TQGuardedPtr<KMFolder> > folderList;
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kmkernel->folderMgr()->createFolderList(&folderNames, &folderList);
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kmkernel->imapFolderMgr()->createFolderList(&folderNames, &folderList);
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kmkernel->dimapFolderMgr()->createFolderList(&folderNames, &folderList);
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kmkernel->searchFolderMgr()->createFolderList(&folderNames, &folderList);
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TQStringList::iterator strIt = folderNames.begin();
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for(TQValueList<TQGuardedPtr<KMFolder> >::iterator it = folderList.begin();
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it != folderList.end() && strIt != folderNames.end(); ++it, ++strIt)
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{
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KMFolder * currentFolder = *it;
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TQString currentName = *strIt;
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if ( ((!currentFolder->isSystemFolder() || (currentFolder->name().lower() == "inbox")) ||
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(currentFolder->folderType() == KMFolderTypeImap)) &&
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!currentFolder->ignoreNewMail() )
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{
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/** If this is a new folder, start listening for messages */
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connect(currentFolder, TQT_SIGNAL(numUnreadMsgsChanged(KMFolder *)),
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this, TQT_SLOT(updateNewMessageNotification(KMFolder *)));
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/** Check all new folders to see if we started with any new messages */
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updateNewMessageNotification(currentFolder);
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}
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else {
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disconnect(currentFolder, TQT_SIGNAL(numUnreadMsgsChanged(KMFolder *)), this, TQT_SLOT(updateNewMessageNotification(KMFolder *)) );
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}
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}
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}
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/**
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* On left mouse click, switch focus to the first KMMainWidget. On right
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* click, bring up a list of all folders with a count of unread messages.
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*/
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void KMSystemTray::mousePressEvent(TQMouseEvent *e)
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{
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// switch to kmail on left mouse button
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if( e->button() == LeftButton )
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{
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if( mParentVisible && mainWindowIsOnCurrentDesktop() )
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hideKMail();
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else
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showKMail();
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}
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// open popup menu on right mouse button
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if( e->button() == RightButton )
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{
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mPopupFolders.clear();
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mPopupFolders.reserve( mFoldersWithUnread.count() );
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// Rebuild popup menu at click time to minimize race condition if
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// the base KMainWidget is closed.
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buildPopupMenu();
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if(mNewMessagePopupId != -1)
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{
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mPopupMenu->removeItem(mNewMessagePopupId);
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}
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if(mFoldersWithUnread.count() > 0)
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{
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KPopupMenu *newMessagesPopup = new KPopupMenu();
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TQMap<TQGuardedPtr<KMFolder>, int>::Iterator it = mFoldersWithUnread.begin();
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for(uint i=0; it != mFoldersWithUnread.end(); ++i)
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{
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kdDebug(5006) << "Adding folder" << endl;
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mPopupFolders.append( it.key() );
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TQString item = prettyName(it.key()) + " (" + TQString::number(it.data()) + ")";
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newMessagesPopup->insertItem(item, this, TQT_SLOT(selectedAccount(int)), 0, i);
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++it;
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}
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mNewMessagePopupId = mPopupMenu->insertItem(i18n("New Messages In"),
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newMessagesPopup, mNewMessagePopupId, 3);
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kdDebug(5006) << "Folders added" << endl;
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}
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mPopupMenu->popup(e->globalPos());
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}
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}
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/**
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* Return the name of the folder in which the mail is deposited, prepended
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* with the account name if the folder is IMAP.
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*/
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TQString KMSystemTray::prettyName(KMFolder * fldr)
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{
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TQString rvalue = fldr->label();
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if(fldr->folderType() == KMFolderTypeImap)
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{
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KMFolderImap * imap = dynamic_cast<KMFolderImap*> (fldr->storage());
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assert(imap);
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if((imap->account() != 0) &&
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(imap->account()->name() != 0) )
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{
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kdDebug(5006) << "IMAP folder, prepend label with type" << endl;
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rvalue = imap->account()->name() + "->" + rvalue;
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}
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}
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kdDebug(5006) << "Got label " << rvalue << endl;
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return rvalue;
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}
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bool KMSystemTray::mainWindowIsOnCurrentDesktop()
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{
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KMMainWidget * mainWidget = kmkernel->getKMMainWidget();
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if ( !mainWidget )
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return false;
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TQWidget *mainWin = kmkernel->getKMMainWidget()->tqtopLevelWidget();
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if ( !mainWin )
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return false;
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return KWin::windowInfo( mainWin->winId(),
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NET::WMDesktop ).isOnCurrentDesktop();
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}
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/**
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* Shows and raises the first KMMainWidget and
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* switches to the appropriate virtual desktop.
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*/
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void KMSystemTray::showKMail()
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{
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if (!kmkernel->getKMMainWidget())
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return;
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TQWidget *mainWin = kmkernel->getKMMainWidget()->tqtopLevelWidget();
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assert(mainWin);
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if(mainWin)
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{
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KWin::WindowInfo cur = KWin::windowInfo( mainWin->winId(), NET::WMDesktop );
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if ( cur.valid() ) mDesktopOfMainWin = cur.desktop();
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// switch to appropriate desktop
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if ( mDesktopOfMainWin != NET::OnAllDesktops )
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KWin::setCurrentDesktop( mDesktopOfMainWin );
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if ( !mParentVisible ) {
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if ( mDesktopOfMainWin == NET::OnAllDesktops )
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KWin::setOnAllDesktops( mainWin->winId(), true );
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mainWin->move( mPosOfMainWin );
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mainWin->show();
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}
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KWin::activateWindow( mainWin->winId() );
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mParentVisible = true;
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}
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kmkernel->raise();
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//Fake that the folders have changed so that the icon status is correct
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foldersChanged();
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}
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void KMSystemTray::hideKMail()
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{
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if (!kmkernel->getKMMainWidget())
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return;
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TQWidget *mainWin = kmkernel->getKMMainWidget()->tqtopLevelWidget();
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assert(mainWin);
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if(mainWin)
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{
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mDesktopOfMainWin = KWin::windowInfo( mainWin->winId(),
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NET::WMDesktop ).desktop();
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mPosOfMainWin = mainWin->pos();
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// iconifying is unnecessary, but it looks cooler
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KWin::iconifyWindow( mainWin->winId() );
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mainWin->hide();
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mParentVisible = false;
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}
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}
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/**
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* Called on startup of the KMSystemTray and when the numUnreadMsgsChanged signal
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* is emitted for one of the watched folders. Shows the system tray icon if there
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* are new messages and the icon was hidden, or hides the system tray icon if there
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* are no more new messages.
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*/
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void KMSystemTray::updateNewMessageNotification(KMFolder * fldr)
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{
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//We don't want to count messages from search folders as they
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// already counted as part of their original folders
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if( !fldr ||
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fldr->folderType() == KMFolderTypeSearch )
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{
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// kdDebug(5006) << "Null or a search folder, can't mess with that" << endl;
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return;
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}
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mPendingUpdates[ fldr ] = true;
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if ( time( 0 ) - mLastUpdate > 2 ) {
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mUpdateTimer->stop();
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updateNewMessages();
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}
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else {
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mUpdateTimer->start(150, true);
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}
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}
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void KMSystemTray::updateNewMessages()
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{
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for ( TQMap<TQGuardedPtr<KMFolder>, bool>::Iterator it = mPendingUpdates.begin();
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it != mPendingUpdates.end(); ++it)
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{
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KMFolder *fldr = it.key();
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if ( !fldr ) // deleted folder
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continue;
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/** The number of unread messages in that folder */
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int unread = fldr->countUnread();
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TQMap<TQGuardedPtr<KMFolder>, int>::Iterator it =
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mFoldersWithUnread.find(fldr);
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bool unmapped = (it == mFoldersWithUnread.end());
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/** If the folder is not mapped yet, increment count by numUnread
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in folder */
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if(unmapped) mCount += unread;
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/* Otherwise, get the difference between the numUnread in the folder and
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* our last known version, and adjust mCount with that difference */
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else
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{
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int diff = unread - it.data();
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mCount += diff;
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}
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|
|
|
if(unread > 0)
|
|
{
|
|
/** Add folder to our internal store, or update unread count if already mapped */
|
|
mFoldersWithUnread.insert(fldr, unread);
|
|
//kdDebug(5006) << "There are now " << mFoldersWithUnread.count() << " folders with unread" << endl;
|
|
}
|
|
|
|
/**
|
|
* Look for folder in the list of folders already represented. If there are
|
|
* unread messages and the system tray icon is hidden, show it. If there are
|
|
* no unread messages, remove the folder from the mapping.
|
|
*/
|
|
if(unmapped)
|
|
{
|
|
/** Spurious notification, ignore */
|
|
if(unread == 0) continue;
|
|
|
|
/** Make sure the icon will be displayed */
|
|
if ( ( mMode == GlobalSettings::EnumSystemTrayPolicy::ShowOnUnread )
|
|
&& isHidden() ) {
|
|
show();
|
|
}
|
|
|
|
} else
|
|
{
|
|
|
|
if(unread == 0)
|
|
{
|
|
kdDebug(5006) << "Removing folder from internal store " << fldr->name() << endl;
|
|
|
|
/** Remove the folder from the internal store */
|
|
mFoldersWithUnread.remove(fldr);
|
|
|
|
/** if this was the last folder in the dictionary, hide the systemtray icon */
|
|
if(mFoldersWithUnread.count() == 0)
|
|
{
|
|
mPopupFolders.clear();
|
|
disconnect(this, TQT_SLOT(selectedAccount(int)));
|
|
|
|
mCount = 0;
|
|
|
|
if ( mMode == GlobalSettings::EnumSystemTrayPolicy::ShowOnUnread ) {
|
|
hide();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
mPendingUpdates.clear();
|
|
updateCount();
|
|
|
|
/** Update tooltip to reflect count of unread messages */
|
|
TQToolTip::remove(this);
|
|
TQToolTip::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 );
|
|
}
|
|
|
|
/**
|
|
* Called when user selects a folder name from the popup menu. Shows
|
|
* the first KMMainWin in the memberlist and jumps to the first unread
|
|
* message in the selected folder.
|
|
*/
|
|
void KMSystemTray::selectedAccount(int id)
|
|
{
|
|
showKMail();
|
|
|
|
KMMainWidget * mainWidget = kmkernel->getKMMainWidget();
|
|
if (!mainWidget)
|
|
{
|
|
kmkernel->openReader();
|
|
mainWidget = kmkernel->getKMMainWidget();
|
|
}
|
|
|
|
assert(mainWidget);
|
|
|
|
/** Select folder */
|
|
KMFolder * fldr = mPopupFolders.at(id);
|
|
if(!fldr) return;
|
|
KMFolderTree * ft = mainWidget->folderTree();
|
|
if(!ft) return;
|
|
TQListViewItem * fldrIdx = ft->indexOfFolder(fldr);
|
|
if(!fldrIdx) return;
|
|
|
|
ft->setCurrentItem(fldrIdx);
|
|
ft->selectCurrentFolder();
|
|
}
|
|
|
|
bool KMSystemTray::hasUnreadMail() const
|
|
{
|
|
return ( mCount != 0 );
|
|
}
|
|
|
|
#include "kmsystemtray.moc"
|