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tdelibs/kdeui/kpassivepopup.cpp

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/*
* copyright : (C) 2001-2002 by Richard Moore
* copyright : (C) 2004-2005 by Sascha Cunz
* License : This file is released under the terms of the LGPL, version 2.
* email : rich@kde.org
* email : sascha.cunz@tiscali.de
*/
#include <kconfig.h>
#include <qapplication.h>
#include <qlabel.h>
#include <qlayout.h>
#include <qtimer.h>
#include <qvbox.h>
#include <qpainter.h>
#include <qtooltip.h>
#include <qbitmap.h>
#include <qpointarray.h>
#include <kdebug.h>
#include <kdialog.h>
#include <kpixmap.h>
#include <kpixmapeffect.h>
#include <kglobalsettings.h>
#include "config.h"
#ifdef Q_WS_X11
#include <netwm.h>
#endif
#include "kpassivepopup.h"
#include "kpassivepopup.moc"
class KPassivePopup::Private
{
public:
int popupStyle;
QPointArray surround;
QPoint anchor;
QPoint fixedPosition;
};
static const int DEFAULT_POPUP_TYPE = KPassivePopup::Boxed;
static const int DEFAULT_POPUP_TIME = 6*1000;
static const int POPUP_FLAGS = Qt::WStyle_Customize | Qt::WDestructiveClose | Qt::WX11BypassWM
| Qt::WStyle_StaysOnTop | Qt::WStyle_Tool | Qt::WStyle_NoBorder;
KPassivePopup::KPassivePopup( QWidget *parent, const char *name, WFlags f )
: QFrame( 0, name, f ? f : POPUP_FLAGS ),
window( parent ? parent->winId() : 0L ), msgView( 0 ), topLayout( 0 ),
hideDelay( DEFAULT_POPUP_TIME ), hideTimer( new QTimer( this, "hide_timer" ) ),
m_autoDelete( false )
{
init( DEFAULT_POPUP_TYPE );
}
KPassivePopup::KPassivePopup( WId win, const char *name, WFlags f )
: QFrame( 0, name, f ? f : POPUP_FLAGS ),
window( win ), msgView( 0 ), topLayout( 0 ),
hideDelay( DEFAULT_POPUP_TIME ), hideTimer( new QTimer( this, "hide_timer" ) ),
m_autoDelete( false )
{
init( DEFAULT_POPUP_TYPE );
}
KPassivePopup::KPassivePopup( int popupStyle, QWidget *parent, const char *name, WFlags f )
: QFrame( 0, name, f ? f : POPUP_FLAGS ),
window( parent ? parent->winId() : 0L ), msgView( 0 ), topLayout( 0 ),
hideDelay( DEFAULT_POPUP_TIME ), hideTimer( new QTimer( this, "hide_timer" ) ),
m_autoDelete( false )
{
init( popupStyle );
}
KPassivePopup::KPassivePopup( int popupStyle, WId win, const char *name, WFlags f )
: QFrame( 0, name, f ? f : POPUP_FLAGS ),
window( win ), msgView( 0 ), topLayout( 0 ),
hideDelay( DEFAULT_POPUP_TIME ), hideTimer( new QTimer( this, "hide_timer" ) ),
m_autoDelete( false )
{
init( popupStyle );
}
void KPassivePopup::init( int popupStyle )
{
d = new Private;
d->popupStyle = popupStyle;
if( popupStyle == Boxed )
{
setFrameStyle( QFrame::Box| QFrame::Plain );
setLineWidth( 2 );
}
else if( popupStyle == Balloon )
{
setPalette(QToolTip::palette());
setAutoMask(TRUE);
}
connect( hideTimer, SIGNAL( timeout() ), SLOT( hide() ) );
connect( this, SIGNAL( clicked() ), SLOT( hide() ) );
}
KPassivePopup::~KPassivePopup()
{
delete d;
}
void KPassivePopup::setView( QWidget *child )
{
delete msgView;
msgView = child;
delete topLayout;
topLayout = new QVBoxLayout( this, d->popupStyle == Balloon ? 22 : KDialog::marginHint(), KDialog::spacingHint() );
topLayout->addWidget( msgView );
topLayout->activate();
}
void KPassivePopup::setView( const QString &caption, const QString &text,
const QPixmap &icon )
{
// kdDebug() << "KPassivePopup::setView " << caption << ", " << text << endl;
setView( standardView( caption, text, icon, this ) );
}
QVBox * KPassivePopup::standardView( const QString& caption,
const QString& text,
const QPixmap& icon,
QWidget *parent )
{
QVBox *vb = new QVBox( parent ? parent : this );
vb->setSpacing( KDialog::spacingHint() );
QHBox *hb=0;
if ( !icon.isNull() ) {
hb = new QHBox( vb );
hb->setMargin( 0 );
hb->setSpacing( KDialog::spacingHint() );
ttlIcon = new QLabel( hb, "title_icon" );
ttlIcon->setPixmap( icon );
ttlIcon->setAlignment( AlignLeft );
}
if ( !caption.isEmpty() ) {
ttl = new QLabel( caption, hb ? hb : vb, "title_label" );
QFont fnt = ttl->font();
fnt.setBold( true );
ttl->setFont( fnt );
ttl->setAlignment( Qt::AlignHCenter );
if ( hb )
hb->setStretchFactor( ttl, 10 ); // enforce centering
}
if ( !text.isEmpty() ) {
msg = new QLabel( text, vb, "msg_label" );
msg->setAlignment( AlignLeft );
}
return vb;
}
void KPassivePopup::setView( const QString &caption, const QString &text )
{
setView( caption, text, QPixmap() );
}
void KPassivePopup::setTimeout( int delay )
{
hideDelay = delay;
if( hideTimer->isActive() )
{
if( delay ) {
hideTimer->changeInterval( delay );
} else {
hideTimer->stop();
}
}
}
void KPassivePopup::setAutoDelete( bool autoDelete )
{
m_autoDelete = autoDelete;
}
void KPassivePopup::mouseReleaseEvent( QMouseEvent *e )
{
emit clicked();
emit clicked( e->pos() );
}
//
// Main Implementation
//
void KPassivePopup::show()
{
if ( size() != sizeHint() )
resize( sizeHint() );
if ( d->fixedPosition.isNull() )
positionSelf();
else {
if( d->popupStyle == Balloon )
setAnchor( d->fixedPosition );
else
move( d->fixedPosition );
}
QFrame::show();
int delay = hideDelay;
if ( delay < 0 ) {
delay = DEFAULT_POPUP_TIME;
}
if ( delay > 0 ) {
hideTimer->start( delay );
}
}
void KPassivePopup::show(const QPoint &p)
{
d->fixedPosition = p;
show();
}
void KPassivePopup::hideEvent( QHideEvent * )
{
hideTimer->stop();
if ( m_autoDelete )
deleteLater();
}
QRect KPassivePopup::defaultArea() const
{
#ifdef Q_WS_X11
NETRootInfo info( qt_xdisplay(),
NET::NumberOfDesktops |
NET::CurrentDesktop |
NET::WorkArea,
-1, false );
info.activate();
NETRect workArea = info.workArea( info.currentDesktop() );
QRect r;
r.setRect( workArea.pos.x, workArea.pos.y, 0, 0 ); // top left
#else
// FIX IT
QRect r;
r.setRect( 100, 100, 200, 200 ); // top left
#endif
return r;
}
void KPassivePopup::positionSelf()
{
QRect target;
#ifdef Q_WS_X11
if ( !window ) {
target = defaultArea();
}
else {
NETWinInfo ni( qt_xdisplay(), window, qt_xrootwin(),
NET::WMIconGeometry | NET::WMKDESystemTrayWinFor );
// Figure out where to put the popup. Note that we must handle
// windows that skip the taskbar cleanly
if ( ni.kdeSystemTrayWinFor() ) {
NETRect frame, win;
ni.kdeGeometry( frame, win );
target.setRect( win.pos.x, win.pos.y,
win.size.width, win.size.height );
}
else if ( ni.state() & NET::SkipTaskbar ) {
target = defaultArea();
}
else {
NETRect r = ni.iconGeometry();
target.setRect( r.pos.x, r.pos.y, r.size.width, r.size.height );
if ( target.isNull() ) { // bogus value, use the exact position
NETRect dummy;
ni.kdeGeometry( dummy, r );
target.setRect( r.pos.x, r.pos.y,
r.size.width, r.size.height);
}
}
}
#else
target = defaultArea();
#endif
moveNear( target );
}
void KPassivePopup::moveNear( QRect target )
{
QPoint pos = target.topLeft();
int x = pos.x();
int y = pos.y();
int w = width();
int h = height();
QRect r = KGlobalSettings::desktopGeometry(QPoint(x+w/2,y+h/2));
if( d->popupStyle == Balloon )
{
// find a point to anchor to
if( x + w > r.width() ){
x = x + target.width();
}
if( y + h > r.height() ){
y = y + target.height();
}
} else
{
if ( x < r.center().x() )
x = x + target.width();
else
x = x - w;
// It's apparently trying to go off screen, so display it ALL at the bottom.
if ( (y + h) > r.bottom() )
y = r.bottom() - h;
if ( (x + w) > r.right() )
x = r.right() - w;
}
if ( y < r.top() )
y = r.top();
if ( x < r.left() )
x = r.left();
if( d->popupStyle == Balloon )
setAnchor( QPoint( x, y ) );
else
move( x, y );
}
void KPassivePopup::setAnchor(const QPoint &anchor)
{
d->anchor = anchor;
updateMask();
}
void KPassivePopup::paintEvent( QPaintEvent* pe )
{
if( d->popupStyle == Balloon )
{
QPainter p;
p.begin( this );
p.drawPolygon( d->surround );
} else
QFrame::paintEvent( pe );
}
void KPassivePopup::updateMask()
{
// get screen-geometry for screen our anchor is on
// (geometry can differ from screen to screen!
QRect deskRect = KGlobalSettings::desktopGeometry(d->anchor);
int xh = 70, xl = 40;
if( width() < 80 )
xh = xl = 40;
else if( width() < 110 )
xh = width() - 40;
bool bottom = (d->anchor.y() + height()) > ((deskRect.y() + deskRect.height()-48));
bool right = (d->anchor.x() + width()) > ((deskRect.x() + deskRect.width()-48));
QPoint corners[4] = {
QPoint( width() - 50, 10 ),
QPoint( 10, 10 ),
QPoint( 10, height() - 50 ),
QPoint( width() - 50, height() - 50 )
};
QBitmap mask( width(), height(), true );
QPainter p( &mask );
QBrush brush( Qt::white, Qt::SolidPattern );
p.setBrush( brush );
int i = 0, z = 0;
for (; i < 4; ++i) {
QPointArray corner;
corner.makeArc(corners[i].x(), corners[i].y(), 40, 40, i * 16 * 90, 16 * 90);
d->surround.resize( z + corner.count() );
for (unsigned int s = 0; s < corner.count() - 1; s++) {
d->surround.setPoint( z++, corner[s] );
}
if (bottom && i == 2) {
if (right) {
d->surround.resize( z + 3 );
d->surround.setPoint( z++, QPoint( width() - xh, height() - 11 ) );
d->surround.setPoint( z++, QPoint( width() - 20, height() ) );
d->surround.setPoint( z++, QPoint( width() - xl, height() - 11 ) );
} else {
d->surround.resize( z + 3 );
d->surround.setPoint( z++, QPoint( xl, height() - 11 ) );
d->surround.setPoint( z++, QPoint( 20, height() ) );
d->surround.setPoint( z++, QPoint( xh, height() - 11 ) );
}
} else if (!bottom && i == 0) {
if (right) {
d->surround.resize( z + 3 );
d->surround.setPoint( z++, QPoint( width() - xl, 10 ) );
d->surround.setPoint( z++, QPoint( width() - 20, 0 ) );
d->surround.setPoint( z++, QPoint( width() - xh, 10 ) );
} else {
d->surround.resize( z + 3 );
d->surround.setPoint( z++, QPoint( xh, 10 ) );
d->surround.setPoint( z++, QPoint( 20, 0 ) );
d->surround.setPoint( z++, QPoint( xl, 10 ) );
}
}
}
d->surround.resize( z + 1 );
d->surround.setPoint( z, d->surround[0] );
p.drawPolygon( d->surround );
setMask(mask);
move( right ? d->anchor.x() - width() + 20 : ( d->anchor.x() < 11 ? 11 : d->anchor.x() - 20 ),
bottom ? d->anchor.y() - height() : ( d->anchor.y() < 11 ? 11 : d->anchor.y() ) );
update();
}
//
// Convenience Methods
//
KPassivePopup *KPassivePopup::message( const QString &caption, const QString &text,
const QPixmap &icon,
QWidget *parent, const char *name, int timeout )
{
return message( DEFAULT_POPUP_TYPE, caption, text, icon, parent, name, timeout );
}
KPassivePopup *KPassivePopup::message( const QString &text, QWidget *parent, const char *name )
{
return message( DEFAULT_POPUP_TYPE, QString::null, text, QPixmap(), parent, name );
}
KPassivePopup *KPassivePopup::message( const QString &caption, const QString &text,
QWidget *parent, const char *name )
{
return message( DEFAULT_POPUP_TYPE, caption, text, QPixmap(), parent, name );
}
KPassivePopup *KPassivePopup::message( const QString &caption, const QString &text,
const QPixmap &icon, WId parent, const char *name, int timeout )
{
return message( DEFAULT_POPUP_TYPE, caption, text, icon, parent, name, timeout );
}
KPassivePopup *KPassivePopup::message( int popupStyle, const QString &caption, const QString &text,
const QPixmap &icon,
QWidget *parent, const char *name, int timeout )
{
KPassivePopup *pop = new KPassivePopup( popupStyle, parent, name );
pop->setAutoDelete( true );
pop->setView( caption, text, icon );
pop->hideDelay = timeout;
pop->show();
return pop;
}
KPassivePopup *KPassivePopup::message( int popupStyle, const QString &text, QWidget *parent, const char *name )
{
return message( popupStyle, QString::null, text, QPixmap(), parent, name );
}
KPassivePopup *KPassivePopup::message( int popupStyle, const QString &caption, const QString &text,
QWidget *parent, const char *name )
{
return message( popupStyle, caption, text, QPixmap(), parent, name );
}
KPassivePopup *KPassivePopup::message( int popupStyle, const QString &caption, const QString &text,
const QPixmap &icon, WId parent, const char *name, int timeout )
{
KPassivePopup *pop = new KPassivePopup( popupStyle, parent, name );
pop->setAutoDelete( true );
pop->setView( caption, text, icon );
pop->hideDelay = timeout;
pop->show();
return pop;
}
// Local Variables:
// c-basic-offset: 4
// End:
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