messagewindow.cpp

00001 /*
00002  *  This file is part of the KDE libraries
00003  *  Copyright (c) 2002 Michael Goffioul <kdeprint@swing.be>
00004  *
00005  *  This library is free software; you can redistribute it and/or
00006  *  modify it under the terms of the GNU Library General Public
00007  *  License version 2 as published by the Free Software Foundation.
00008  *
00009  *  This library is distributed in the hope that it will be useful,
00010  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012  *  Library General Public License for more details.
00013  *
00014  *  You should have received a copy of the GNU Library General Public License
00015  *  along with this library; see the file COPYING.LIB.  If not, write to
00016  *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00017  *  Boston, MA 02110-1301, USA.
00018  **/
00019 
00020 #include "messagewindow.h"
00021 
00022 #include <qlabel.h>
00023 #include <qlayout.h>
00024 #include <qtimer.h>
00025 #include <qpixmap.h>
00026 #include <qhbox.h>
00027 #include <kiconloader.h>
00028 #include <kapplication.h>
00029 #include <kdebug.h>
00030 
00031 QPtrDict<MessageWindow> MessageWindow::m_windows;
00032 
00033 MessageWindow::MessageWindow( const QString& txt, int delay, QWidget *parent, const char *name )
00034     : QWidget( parent, name, WStyle_Customize|WStyle_NoBorder|WShowModal|WType_Dialog|WDestructiveClose )
00035 {
00036     QHBox *box = new QHBox( this );
00037     box->setFrameStyle( QFrame::Panel|QFrame::Raised );
00038     box->setLineWidth( 1 );
00039     box->setSpacing( 10 );
00040     box->setMargin( 5 );
00041     QLabel *pix = new QLabel( box );
00042     pix->setPixmap( DesktopIcon( "kdeprint_printer" ) );
00043     m_text = new QLabel( txt, box );
00044 
00045     QHBoxLayout *l0 = new QHBoxLayout( this, 0, 0 );
00046     l0->addWidget( box );
00047 
00048     m_windows.insert( parent, this );
00049 
00050     if ( delay == 0 )
00051         slotTimer();
00052     else
00053         QTimer::singleShot( delay, this, SLOT( slotTimer() ) );
00054 }
00055 
00056 MessageWindow::~MessageWindow()
00057 {
00058     m_windows.remove( parentWidget() );
00059 }
00060 
00061 void MessageWindow::slotTimer()
00062 {
00063     QSize psz = parentWidget()->size(), sz = sizeHint();
00064     move( parentWidget()->mapToGlobal( QPoint( (psz.width()-sz.width())/2, (psz.height()-sz.height())/2 ) ) );
00065     if ( !isVisible() )
00066     {
00067         show();
00068         kapp->processEvents();
00069     }
00070 }
00071 
00072 QString MessageWindow::text() const
00073 {
00074     return m_text->text();
00075 }
00076 
00077 void MessageWindow::setText( const QString& txt )
00078 {
00079     m_text->setText( txt );
00080 }
00081 
00082 void MessageWindow::add( QWidget *parent, const QString& txt, int delay )
00083 {
00084     if ( !parent )
00085         kdWarning( 500 ) << "Cannot add a message window to a null parent" << endl;
00086     else
00087     {
00088         MessageWindow *w = m_windows.find( parent );
00089         if ( w )
00090             w->setText( txt );
00091         else
00092             new MessageWindow( txt, delay, parent, "MessageWindow" );
00093     }
00094 }
00095 
00096 void MessageWindow::remove( QWidget *parent )
00097 {
00098     if ( parent )
00099         delete m_windows.find( parent );
00100 }
00101 
00102 void MessageWindow::change( QWidget *parent, const QString& txt )
00103 {
00104     if ( parent )
00105     {
00106         MessageWindow *w = m_windows.find( parent );
00107         if ( w )
00108             w->setText( txt );
00109         else
00110             kdWarning( 500 ) << "MessageWindow::change, no message window found" << endl;
00111     }
00112 }
00113 
00114 void MessageWindow::removeAll()
00115 {
00116     QPtrDictIterator<MessageWindow> it( m_windows );
00117     while ( it.current() )
00118         delete it.current();
00119 }
00120 
00121 #include "messagewindow.moc"
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