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/*
This file is part of the KDE project
Copyright (C) 2004 Michael Brade <brade@kde.org>
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.
In addition, as a special exception, the copyright holders give
permission to link the code of this program with any edition of
the Qt library by Trolltech AS, Norway (or with modified versions
of Qt that use the same license as Qt), and distribute linked
combinations including the two. You must obey the GNU General
Public License in all respects for all of the code used other than
Qt. If you modify this file, you may extend this exception to
your version of the file, but you are not obligated to do so. If
you do not wish to do so, delete this exception statement from
your version.
*/
#include <qtooltip.h>
#include <qlayout.h>
#include <qtextedit.h>
#include <kapplication.h>
#include <kglobalsettings.h>
#include "knotetip.h"
#include "knotes_part_p.h"
KNoteTip::KNoteTip( KIconView *parent )
: QFrame( 0, 0, WX11BypassWM | // this will make Seli happy >:-P
WStyle_Customize | WStyle_NoBorder | WStyle_Tool | WStyle_StaysOnTop ),
mFilter( false ),
mView( parent ),
mNoteIVI( 0 ),
mPreview( new QTextEdit( this ) )
{
mPreview->setReadOnly( true );
mPreview->setHScrollBarMode( QScrollView::AlwaysOff );
mPreview->setVScrollBarMode( QScrollView::AlwaysOff );
QBoxLayout *layout = new QVBoxLayout( this );
layout->addWidget( mPreview );
setPalette( QToolTip::palette() );
setMargin( 1 );
setFrameStyle( QFrame::Plain | QFrame::Box );
hide();
}
KNoteTip::~KNoteTip()
{
delete mPreview;
mPreview = 0;
}
void KNoteTip::setNote( KNotesIconViewItem *item )
{
if ( mNoteIVI == item )
return;
mNoteIVI = item;
if ( !mNoteIVI ) {
killTimers();
if ( isVisible() ) {
setFilter( false );
hide();
}
} else {
KCal::Journal *journal = item->journal();
if ( journal->customProperty( "KNotes", "RichText" ) == "true" )
mPreview->setTextFormat( Qt::RichText );
else
mPreview->setTextFormat( Qt::PlainText );
QColor fg( journal->customProperty( "KNotes", "FgColor" ) );
QColor bg( journal->customProperty( "KNotes", "BgColor" ) );
setColor( fg, bg );
mPreview->setText( journal->description() );
mPreview->zoomTo( 8 );
mPreview->sync();
int w = 400;
int h = mPreview->heightForWidth( w );
while ( w > 60 && h == mPreview->heightForWidth( w - 20 ) )
w -= 20;
QRect desk = KGlobalSettings::desktopGeometry( mNoteIVI->rect().center() );
resize( w, QMIN( h, desk.height() / 2 - 20 ) );
hide();
killTimers();
setFilter( true );
startTimer( 600 ); // delay showing the tooltip for 0.7 sec
}
}
// protected, virtual methods
void KNoteTip::resizeEvent( QResizeEvent *ev )
{
QFrame::resizeEvent( ev );
reposition();
}
void KNoteTip::timerEvent( QTimerEvent * )
{
killTimers();
if ( !isVisible() ) {
startTimer( 15000 ); // show the tooltip for 15 sec
reposition();
show();
} else {
setFilter( false );
hide();
}
}
bool KNoteTip::eventFilter( QObject *, QEvent *e )
{
switch ( e->type() ) {
case QEvent::Leave:
case QEvent::MouseButtonPress:
case QEvent::MouseButtonRelease:
case QEvent::KeyPress:
case QEvent::KeyRelease:
case QEvent::FocusIn:
case QEvent::FocusOut:
case QEvent::Wheel:
killTimers();
setFilter( false );
hide();
default:
break;
}
return false;
}
// private stuff
void KNoteTip::setColor( const QColor &fg, const QColor &bg )
{
QPalette newpalette = palette();
newpalette.setColor( QColorGroup::Background, bg );
newpalette.setColor( QColorGroup::Foreground, fg );
newpalette.setColor( QColorGroup::Base, bg ); // text background
newpalette.setColor( QColorGroup::Text, fg ); // text color
newpalette.setColor( QColorGroup::Button, bg );
// the shadow
newpalette.setColor( QColorGroup::Midlight, bg.light(110) );
newpalette.setColor( QColorGroup::Shadow, bg.dark(116) );
newpalette.setColor( QColorGroup::Light, bg.light(180) );
newpalette.setColor( QColorGroup::Dark, bg.dark(108) );
setPalette( newpalette );
// set the text color
mPreview->setColor( fg );
}
void KNoteTip::setFilter( bool enable )
{
if ( enable == mFilter )
return;
if ( enable ) {
kapp->installEventFilter( this );
QApplication::setGlobalMouseTracking( true );
} else {
QApplication::setGlobalMouseTracking( false );
kapp->removeEventFilter( this );
}
mFilter = enable;
}
void KNoteTip::reposition()
{
if ( !mNoteIVI )
return;
QRect rect = mNoteIVI->rect();
QPoint off = mView->mapToGlobal( mView->contentsToViewport( QPoint( 0, 0 ) ) );
rect.moveBy( off.x(), off.y() );
QPoint pos = rect.center();
// should the tooltip be shown to the left or to the right of the ivi?
QRect desk = KGlobalSettings::desktopGeometry( pos );
if ( rect.center().x() + width() > desk.right() ) {
// to the left
if ( pos.x() - width() < 0 )
pos.setX( 0 );
else
pos.setX( pos.x() - width() );
}
// should the tooltip be shown above or below the ivi ?
if ( rect.bottom() + height() > desk.bottom() ) {
// above
pos.setY( rect.top() - height() );
} else
pos.setY( rect.bottom() );
move( pos );
update();
}
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